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Revision 1.173 by root, Sun Jan 14 18:00:34 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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 3.3 (); 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 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
50our $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 $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
115
116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 118our $NEXT_TICK;
52our $NOW; 119our $USE_FSYNC = 1; # use fsync to write maps - default on
120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
123our $BDB_TRICKLE_WATCHER;
124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
53 127
54our %CFG; 128our %CFG;
55 129
56our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 131our $RUNTIME;
132our $NOW;
58 133
59our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 137
67# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 140
141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
150
70binmode STDOUT; 151binmode STDOUT;
71binmode STDERR; 152binmode STDERR;
72 153
73# read virtual server time, if available 154# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
78} 159}
79 160
80mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 162
82mkdir cf::localdir . "/" . cf::tmpdir; 163mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 165
86our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
167
168sub cf::map::normalise;
169
170#############################################################################
171
172%REFLECT = ();
173for (@REFLECT) {
174 my $reflect = JSON::XS::decode_json $_;
175 $REFLECT{$reflect->{class}} = $reflect;
176}
177
178# this is decidedly evil
179$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87 180
88############################################################################# 181#############################################################################
89 182
90=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
91 184
… …
98=item $cf::RUNTIME 191=item $cf::RUNTIME
99 192
100The time this server has run, starts at 0 and is increased by $cf::TICK on 193The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 194every server tick.
102 195
103=item $cf::LIBDIR 196=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
197$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
198$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 199
105The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 201directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
202unique-items directory, player file directory, random maps directory and
203database environment.
107 204
108=item $cf::NOW 205=item $cf::NOW
109 206
110The time of the last (current) server tick. 207The time of the last (current) server tick.
111 208
112=item $cf::TICK 209=item $cf::TICK
113 210
114The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
115 212
213=item $cf::LOADAVG
214
215The current CPU load on the server (alpha-smoothed), as a value between 0
216(none) and 1 (overloaded), indicating how much time is spent on processing
217objects per tick. Healthy values are < 0.5.
218
219=item $cf::LOAD
220
221The raw value load value from the last tick.
222
116=item %cf::CFG 223=item %cf::CFG
117 224
118Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 226from wherever your confdir points to.
120 227
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
122 229
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
127 245
128=back 246=back
129 247
130=cut 248=cut
131 249
132BEGIN { 250$Coro::State::WARNHOOK = sub {
133 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 251 my $msg = join "", @_;
135 utf8::encode $msg;
136 252
137 $msg .= "\n" 253 $msg .= "\n"
138 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
139 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
140 LOG llevError, $msg; 258 LOG llevError, $msg;
141 }; 259};
142} 260
261$Coro::State::DIEHOOK = sub {
262 return unless $^S eq 0; # "eq", not "=="
263
264 warn Carp::longmess $_[0];
265
266 if ($Coro::current == $Coro::main) {#d#
267 warn "DIEHOOK called in main context, Coro bug?\n";#d#
268 return;#d#
269 }#d#
270
271 # kill coroutine otherwise
272 Coro::terminate
273};
143 274
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 279@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
280@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 281@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 282
151# we bless all objects into (empty) derived classes to force a method lookup 283# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 284# within the Safe compartment.
153for my $pkg (qw( 285for my $pkg (qw(
154 cf::global cf::attachable 286 cf::global cf::attachable
155 cf::object cf::object::player 287 cf::object cf::object::player
156 cf::client cf::player 288 cf::client cf::player
157 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
158 cf::map cf::party cf::region 291 cf::party cf::region
159)) { 292)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 294}
163 295
164$Event::DIED = sub { 296$EV::DIED = sub {
165 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
166}; 298};
299
300#############################################################################
167 301
168=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
169 303
170=over 4 304=over 4
171 305
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 324 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 325 $d
192 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
193} 327}
194 328
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
198 330
199Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
200 332
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
209 334
210Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
211 336
212=cut 337=cut
213 338
214sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
216 JSON::Syck::Dump $_[0] 341sub encode_json($) { $json_coder->encode ($_[0]) }
342sub decode_json($) { $json_coder->decode ($_[0]) }
343
344=item cf::post_init { BLOCK }
345
346Execute the given codeblock, I<after> all extensions have been (re-)loaded,
347but I<before> the server starts ticking again.
348
349The cdoeblock will have a single boolean argument to indicate whether this
350is a reload or not.
351
352=cut
353
354sub post_init(&) {
355 push @POST_INIT, shift;
217} 356}
218 357
219=item cf::lock_wait $string 358=item cf::lock_wait $string
220 359
221Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
222 361
223=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
224 363
225Wait until the given lock is available and then acquires it and returns 364Wait until the given lock is available and then acquires it and returns
226a Coro::guard object. If the guard object gets destroyed (goes out of scope, 365a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
228returned. 367returned.
229 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
230Lock names should begin with a unique identifier (for example, cf::map::find 372Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
232 374
233=cut 375=item $locked = cf::lock_active $string
234 376
235our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
236 382
237sub lock_wait($) { 383sub lock_wait($) {
238 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
239
240 # wait for lock, if any
241 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule;
244 }
245} 385}
246 386
247sub lock_acquire($) { 387sub lock_acquire($) {
248 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
249 390
250 # wait, to be sure we are not locked 391sub lock_active($) {
251 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
252
253 $LOCK{$key} = [];
254
255 Coro::guard {
256 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} };
258 }
259} 393}
260 394
261sub freeze_mainloop { 395sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
263 397
264 my $guard = Coro::guard { 398 &Guard::guard (\&tick_inhibit_dec);
265 $TICK_WATCHER->start; 399}
266 $WRITE_RUNTIME_WATCHER->start; 400
401=item cf::periodic $interval, $cb
402
403Like EV::periodic, but randomly selects a starting point so that the actions
404get spread over time.
405
406=cut
407
408sub periodic($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
267 }; 465 }
268 $WRITE_RUNTIME_WATCHER->stop; 466};
269 $TICK_WATCHER->stop; 467
270 $guard 468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
471 my ($time, $pri, $name) = @_;
472
473 $time = clamp $time, 0.01, $TICK * .6;
474
475 my $sig = new Coro::Signal;
476
477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
479 $SLOT_QUEUE->ready;
480 $sig->wait;
271} 481}
272 482
273=item cf::async { BLOCK } 483=item cf::async { BLOCK }
274 484
275Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
280 490
281BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
282 492
283=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
284 494
285The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
288 499
289If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
292fast or be very important. 503fast or be very important.
… …
295 506
296sub sync_job(&) { 507sub sync_job(&) {
297 my ($job) = @_; 508 my ($job) = @_;
298 509
299 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
300 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
302 515
303 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 517
305 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
306 519
307 my $busy = 1; 520 my $busy = 1;
308 my @res; 521 my @res;
309 522
310 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 525 @res = eval { $job->() };
312 warn $@ if $@; 526 warn $@ if $@;
313 undef $busy; 527 undef $busy;
314 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
315 529
316 while ($busy) { 530 while ($busy) {
317 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
318 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
319 541
320 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
321 } else { 543 } else {
322 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
323 545
… …
343 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
344 566
345 $coro 567 $coro
346} 568}
347 569
348sub write_runtime { 570=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 571
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
352 or return; 573process, returning the results. Everything must be serialisable with
574Coro::Storable. May, of course, block. Note that the executed sub may
575never block itself or use any form of event handling.
353 576
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 577=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 578
358 aio_fsync $fh 579sub fork_call(&@) {
359 and return; 580 my ($cb, @args) = @_;
360 581
361 close $fh 582 # we seemingly have to make a local copy of the whole thing,
362 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
363 585
364 aio_rename "$runtime~", $runtime 586 my @res = Coro::Util::fork_eval {
365 and return; 587 reset_signals;
588 &$cb
589 }, @args;
366 590
591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
367 1 595 (
596 "counter value" => cf::object::object_count,
597 "objects created" => cf::object::create_count,
598 "objects destroyed" => cf::object::destroy_count,
599 "freelist size" => cf::object::free_count,
600 "allocated objects" => cf::object::objects_size,
601 "active objects" => cf::object::actives_size,
602 )
603}
604
605=item $coin = coin_from_name $name
606
607=cut
608
609our %coin_alias = (
610 "silver" => "silvercoin",
611 "silvercoin" => "silvercoin",
612 "silvercoins" => "silvercoin",
613 "gold" => "goldcoin",
614 "goldcoin" => "goldcoin",
615 "goldcoins" => "goldcoin",
616 "platinum" => "platinacoin",
617 "platinumcoin" => "platinacoin",
618 "platinumcoins" => "platinacoin",
619 "platina" => "platinacoin",
620 "platinacoin" => "platinacoin",
621 "platinacoins" => "platinacoin",
622 "royalty" => "royalty",
623 "royalties" => "royalty",
624);
625
626sub coin_from_name($) {
627 $coin_alias{$_[0]}
628 ? cf::arch::find $coin_alias{$_[0]}
629 : undef
630}
631
632=item $value = cf::db_get $family => $key
633
634Returns a single value from the environment database.
635
636=item cf::db_put $family => $key => $value
637
638Stores the given C<$value> in the family. It can currently store binary
639data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
640
641=item $db = cf::db_table "name"
642
643Create and/or open a new database table. The string must not be "db" and must be unique
644within each server.
645
646=cut
647
648sub db_table($) {
649 my ($name) = @_;
650 my $db = BDB::db_create $DB_ENV;
651
652 eval {
653 $db->set_flags (BDB::CHKSUM);
654
655 utf8::encode $name;
656 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
657 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
658 cf::cleanup "db_open(db): $!" if $!;
659 };
660 cf::cleanup "db_open(db): $@" if $@;
661
662 $db
663}
664
665our $DB;
666
667sub db_init {
668 cf::sync_job {
669 $DB ||= db_table "db";
670 };
671}
672
673sub db_get($$) {
674 my $key = "$_[0]/$_[1]";
675
676 cf::sync_job {
677 BDB::db_get $DB, undef, $key, my $data;
678
679 $! ? ()
680 : $data
681 }
682}
683
684sub db_put($$$) {
685 BDB::dbreq_pri 4;
686 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
687}
688
689=item cf::cache $id => [$paths...], $processversion => $process
690
691Generic caching function that returns the value of the resource $id,
692caching and regenerating as required.
693
694This function can block.
695
696=cut
697
698sub cache {
699 my ($id, $src, $processversion, $process) = @_;
700
701 my $meta =
702 join "\x00",
703 $processversion,
704 map {
705 aio_stat $_
706 and Carp::croak "$_: $!";
707
708 ($_, (stat _)[7,9])
709 } @$src;
710
711 my $dbmeta = db_get cache => "$id/meta";
712 if ($dbmeta ne $meta) {
713 # changed, we may need to process
714
715 my @data;
716 my $md5;
717
718 for (0 .. $#$src) {
719 0 <= aio_load $src->[$_], $data[$_]
720 or Carp::croak "$src->[$_]: $!";
721 }
722
723 # if processing is expensive, check
724 # checksum first
725 if (1) {
726 $md5 =
727 join "\x00",
728 $processversion,
729 map {
730 cf::cede_to_tick;
731 ($src->[$_], Digest::MD5::md5_hex $data[$_])
732 } 0.. $#$src;
733
734
735 my $dbmd5 = db_get cache => "$id/md5";
736 if ($dbmd5 eq $md5) {
737 db_put cache => "$id/meta", $meta;
738
739 return db_get cache => "$id/data";
740 }
741 }
742
743 my $t1 = Time::HiRes::time;
744 my $data = $process->(\@data);
745 my $t2 = Time::HiRes::time;
746
747 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
748
749 db_put cache => "$id/data", $data;
750 db_put cache => "$id/md5" , $md5;
751 db_put cache => "$id/meta", $meta;
752
753 return $data;
754 }
755
756 db_get cache => "$id/data"
757}
758
759=item cf::datalog type => key => value, ...
760
761Log a datalog packet of the given type with the given key-value pairs.
762
763=cut
764
765sub datalog($@) {
766 my ($type, %kv) = @_;
767 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 768}
369 769
370=back 770=back
371 771
372=cut 772=cut
373 773
374############################################################################# 774#############################################################################
375 775
376=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
377 777
378Many objects in crossfire are so-called attachable objects. That means you can 778Many objects in deliantra are so-called attachable objects. That means you can
379attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
381 781
382In the following description, CLASS can be any of C<global>, C<object> 782In the following description, CLASS can be any of C<global>, C<object>
383C<player>, C<client> or C<map> (i.e. the attachable objects in 783C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 784Deliantra).
385 785
386=over 4 786=over 4
387 787
388=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
389 789
… …
433=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
434 834
435Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
437 837
438Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
439that are attached at load/instantiate time, thus the need for a name. 839that are attached at load/instantiate time, thus the need for a name.
440 840
441These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
442 842
443=over 4 843=over 4
… …
552 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
553 953
554 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 958
559 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 960 my $pkg = shift @arg;
561 961
562 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
591 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
592 } 992 }
593 993
594 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
595 } else { 995 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 997 }
598 998
599 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
600} 1000}
601 1001
… …
603 if (ref $_[0]) { 1003 if (ref $_[0]) {
604 _object_attach @_; 1004 _object_attach @_;
605 } else { 1005 } else {
606 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
607 } 1007 }
1008 _recalc_want;
608}; 1009};
609 1010
610# all those should be optimised 1011# all those should be optimised
611sub cf::attachable::detach { 1012sub cf::attachable::detach {
612 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
615 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
616 reattach ($obj); 1017 reattach ($obj);
617 } else { 1018 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
619 } 1020 }
1021 _recalc_want;
620}; 1022};
621 1023
622sub cf::attachable::attached { 1024sub cf::attachable::attached {
623 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
624 1026
… …
639 "; 1041 ";
640 die if $@; 1042 die if $@;
641} 1043}
642 1044
643our $override; 1045our $override;
644our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1046our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645 1047
646sub override { 1048sub override {
647 $override = 1; 1049 $override = 1;
648 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
649} 1051}
650 1052
651sub do_invoke { 1053sub do_invoke {
652 my $event = shift; 1054 my $event = shift;
653 my $callbacks = shift; 1055 my $callbacks = shift;
654 1056
655 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
656 1058
657 local $override; 1059 local $override;
658 1060
659 for (@$callbacks) { 1061 for (@$callbacks) {
660 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
669 } 1071 }
670 1072
671 0 1073 0
672} 1074}
673 1075
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 1077
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1079
678Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
679 1081
680This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1082This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681removed in future versions), and there is no public API to access override 1083removed in future versions), and there is no public API to access override
682results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1085
684=back 1086=back
685 1087
686=cut 1088=cut
687 1089
688############################################################################# 1090#############################################################################
689# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
690 1134
691sub reattach { 1135sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1137 my ($obj) = @_;
694 1138
1139 # no longer needed after getting rid of delete_package?
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696 1141
697 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
698 1143
699 @$registry = (); 1144 @$registry = ();
700 1145
… …
715cf::attachable->attach ( 1160cf::attachable->attach (
716 prio => -1000000, 1161 prio => -1000000,
717 on_instantiate => sub { 1162 on_instantiate => sub {
718 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
719 1164
720 $data = from_json $data; 1165 $data = decode_json $data;
721 1166
722 for (@$data) { 1167 for (@$data) {
723 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
724 1169
725 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
741sub object_freezer_save { 1186sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
743 1188
744 sync_job { 1189 sync_job {
745 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
748 1194
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1198 if ($cf::USE_FSYNC) {
1199 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;
752 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
753 close $fh; 1202 aio_close $fh;
754 1203
755 if (@$objs) { 1204 if (@$objs) {
756 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1205 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
1209 if ($cf::USE_FSYNC) {
1210 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;
760 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
761 close $fh; 1213 aio_close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
763 } 1215 }
764 } else { 1216 } else {
765 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
766 } 1218 }
767 1219
768 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
769 } else { 1224 } else {
770 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
771 } 1226 }
772 } else { 1227 } else {
773 aio_unlink $filename; 1228 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
775 } 1230 }
776 } 1231 };
777} 1232}
778 1233
779sub object_freezer_as_string { 1234sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
781 1236
… …
793 or return; 1248 or return;
794 1249
795 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
797 or return; 1252 or return;
1253
798 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
799 } 1256 }
800 1257
1258 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
803 return ($data, $av); 1262 ($data, $av)
804} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
805 1270
806############################################################################# 1271#############################################################################
807# command handling &c 1272# command handling &c
808 1273
809=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1288}
824 1289
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1291
827Register a callbackf ro execution when the client sends an extcmd packet. 1292Register a callback for execution when the client sends an (synchronous)
1293extcmd packet. Ext commands will be processed in the order they are
1294received by the server, like other user commands. The first argument is
1295the logged-in player. Ext commands can only be processed after a player
1296has logged in successfully.
828 1297
829If the callback returns something, it is sent back as if reply was being 1298If the callback returns something, it is sent back as if reply was being
830called. 1299called.
831 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
832=cut 1312=cut
833 1313
834sub register_extcmd { 1314sub register_extcmd {
835 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
836 1316
837 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
838} 1318}
839 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
840cf::player->attach ( 1328cf::player->attach (
841 on_command => sub { 1329 on_unknown_command => sub {
842 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
843 1331
844 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
845 or return; 1333 or return;
846 1334
… …
851 cf::override; 1339 cf::override;
852 }, 1340 },
853 on_extcmd => sub { 1341 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
855 1343
856 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1345
858 if (ref $msg) { 1346 if (ref $msg) {
1347 my ($type, $reply, @payload) =
1348 "ARRAY" eq ref $msg
1349 ? @$msg
1350 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1351
1352 my @reply;
1353
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
864 } else { 1361 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1363 }
867 1364
868 cf::override; 1365 cf::override;
869 }, 1366 },
870); 1367);
871 1368
1369# "readahead" all extensions
872sub load_extension { 1370sub cache_extensions {
873 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
874 1372
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
877 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878 $pkg =~ s/[^[:word:]]/_/g;
879 $pkg = "ext::$pkg";
880
881 warn "... loading '$path' into '$pkg'\n";
882
883 open my $fh, "<:utf8", $path
884 or die "$path: $!";
885
886 my $source =
887 "package $pkg; use strict; use utf8;\n"
888 . "#line 1 \"$path\"\n{\n"
889 . (do { local $/; <$fh> })
890 . "\n};\n1";
891
892 unless (eval $source) {
893 my $msg = $@ ? "$path: $@\n"
894 : "extension disabled.\n";
895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896 warn $@;
897 warn "mandatory extension failed to load, exiting.\n";
898 exit 1;
899 } 1376 }
900 die $@;
901 } 1377 };
902 1378
903 push @EXTS, $pkg; 1379 $grp
904} 1380}
905 1381
906sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
907 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1387 next unless -r $path;
909 eval { 1388
910 load_extension $ext; 1389 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1390 my $base = $1;
1391 my $pkg = $1;
1392 $pkg =~ s/[^[:word:]]/_/g;
1393 $pkg = "ext::$pkg";
1394
1395 open my $fh, "<:utf8", $path
1396 or die "$path: $!";
1397
1398 my $source = do { local $/; <$fh> };
1399
1400 my %ext = (
1401 path => $path,
1402 base => $base,
1403 pkg => $pkg,
1404 );
1405
1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1408
1409 $ext{source} =
1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1411 . "#line 1 \"$path\"\n{\n"
1412 . $source
1413 . "\n};\n1";
1414
1415 $todo{$base} = \%ext;
1416 }
1417
1418 my $pass = 0;
1419 my %done;
1420 while (%todo) {
1421 my $progress;
1422
1423 ++$pass;
1424
1425 ext:
1426 while (my ($k, $v) = each %todo) {
1427 for (split /,\s*/, $v->{meta}{depends}) {
1428 next ext
1429 unless exists $done{$_};
1430 }
1431
1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1433
1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
1437 warn "$v->{path}: $@\n";
1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1440 if exists $v->{meta}{mandatory};
1441 } else {
1442 $done{$k} = delete $todo{$k};
1443 push @EXTS, $v->{pkg};
1444 $progress = 1;
1445
1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1448 }
911 1 1449 }
912 } or warn "$ext not loaded: $@"; 1450
1451 unless ($progress) {
1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1453
1454 while (my ($k, $v) = each %todo) {
1455 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1456 if exists $v->{meta}{mandatory};
1457 }
1458 }
1459 }
913 } 1460 };
914} 1461}
915 1462
916############################################################################# 1463#############################################################################
917 1464
1465=back
1466
918=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
919 1468
920Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
921 1470
922=cut 1471=cut
923 1472
924package cf::player; 1473package cf::player;
925 1474
… …
927 1476
928=head3 cf::player 1477=head3 cf::player
929 1478
930=over 4 1479=over 4
931 1480
1481=item cf::player::num_playing
1482
1483Returns the official number of playing players, as per the Crossfire metaserver rules.
1484
1485=cut
1486
1487sub num_playing {
1488 scalar grep
1489 $_->ob->map
1490 && !$_->hidden
1491 && !$_->ob->flag (cf::FLAG_WIZ),
1492 cf::player::list
1493}
1494
932=item cf::player::find $login 1495=item cf::player::find $login
933 1496
934Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
935 1498
936=cut 1499=cut
937 1500
938sub playerdir($) { 1501sub playerdir($) {
939 cf::localdir 1502 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1504}
945 1505
946sub path($) { 1506sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1508
949 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
950} 1510}
951 1511
952sub find_active($) { 1512sub find_active($) {
953 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
957 1517
958sub exists($) { 1518sub exists($) {
959 my ($login) = @_; 1519 my ($login) = @_;
960 1520
961 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1522 or !aio_stat path $login
963} 1523}
964 1524
965sub find($) { 1525sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1527 my $login = $_[0];
968 1528
969 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
970 1530
971 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login 1532 # rename old playerfiles to new ones
1533 #TODO: remove when no longer required
1534 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1535 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1536 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1537 aio_unlink +(playerdir $login) . "/$login.pl";
1538
1539 my $f = new_from_file cf::object::thawer path $login
973 or return; 1540 or return;
1541
1542 my $pl = cf::player::load_pl $f
1543 or return;
1544
1545 local $cf::PLAYER_LOADING{$login} = $pl;
1546 $f->resolve_delayed_derefs;
974 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
975 } 1548 }
976 } 1549 }
977} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($pl, $path) = @_;
1555
1556 # restore slots saved in save, below
1557 my $slots = delete $pl->{_slots};
1558
1559 $pl->ob->current_weapon ($slots->[0]);
1560 $pl->combat_ob ($slots->[1]);
1561 $pl->ranged_ob ($slots->[2]);
1562 },
1563);
978 1564
979sub save($) { 1565sub save($) {
980 my ($pl) = @_; 1566 my ($pl) = @_;
981 1567
982 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
987 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
988 1574
989 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
991 1577
1578 cf::get_slot 0.01;
1579
1580 # save slots, to be restored later
1581 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1582
992 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
993 Coro::cede; 1584 cf::cede_to_tick;
994} 1585}
995 1586
996sub new($) { 1587sub new($) {
997 my ($login) = @_; 1588 my ($login) = @_;
998 1589
… …
1004 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1005 1596
1006 $self 1597 $self
1007} 1598}
1008 1599
1600=item $player->send_msg ($channel, $msg, $color, [extra...])
1601
1602=cut
1603
1604sub send_msg {
1605 my $ns = shift->ns
1606 or return;
1607 $ns->send_msg (@_);
1608}
1609
1009=item $pl->quit_character 1610=item $pl->quit_character
1010 1611
1011Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1013 1614
1014=cut 1615=cut
1015 1616
1016sub quit_character { 1617sub quit_character {
1017 my ($pl) = @_; 1618 my ($pl) = @_;
1018 1619
1620 my $name = $pl->ob->name;
1621
1019 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1623 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1021 1624
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1026 1631
1027 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1636 $pl->destroy;
1637
1638 my $prefix = qr<^~\Q$name\E/>;
1639
1640 # nuke player maps
1641 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1642
1032 IO::AIO::aio_rmtree $temp; 1643 IO::AIO::aio_rmtree $temp;
1644}
1645
1646=item $pl->kick
1647
1648Kicks a player out of the game. This destroys the connection.
1649
1650=cut
1651
1652sub kick {
1653 my ($pl, $kicker) = @_;
1654
1655 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1656 $pl->killer ("kicked");
1657 $pl->ns->destroy;
1033} 1658}
1034 1659
1035=item cf::player::list_logins 1660=item cf::player::list_logins
1036 1661
1037Returns am arrayref of all valid playernames in the system, can take a 1662Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1039 1664
1040=cut 1665=cut
1041 1666
1042sub list_logins { 1667sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1669 or return [];
1045 1670
1046 my @logins; 1671 my @logins;
1047 1672
1048 for my $login (@$dirs) { 1673 for my $login (@$dirs) {
1674 my $path = path $login;
1675
1676 # a .pst is a dead give-away for a valid player
1677 # if no pst file found, open and chekc for blocked users
1678 if (aio_stat "$path.pst") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1052 1683
1053 utf8::decode $login; 1684 utf8::decode $login;
1054 push @logins, $login; 1685 push @logins, $login;
1055 } 1686 }
1056 1687
… …
1064 1695
1065=cut 1696=cut
1066 1697
1067sub maps($) { 1698sub maps($) {
1068 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1702
1070 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1071 or return; 1704 or return;
1072 1705
1073 my @paths; 1706 my @paths;
… …
1075 for (@$files) { 1708 for (@$files) {
1076 utf8::decode $_; 1709 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1079 1712
1080 s/\.map$//; 1713 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1714 }
1083 1715
1084 \@paths 1716 \@paths
1085} 1717}
1086 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1088 1724
1089Sends an ext reply to the player. 1725Sends an ext reply to the player.
1090 1726
1091=cut 1727=cut
1092 1728
1093sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1095 1731
1096 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1733}
1100 1734
1101package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
1742 my ($self, $type, @msg) = @_;
1743
1744 $self->ns->ext_msg ($type, @msg);
1745}
1746
1747=head3 cf::region
1748
1749=over 4
1750
1751=cut
1752
1753package cf::region;
1754
1755=item cf::region::find_by_path $path
1756
1757Tries to decuce the likely region for a map knowing only its path.
1758
1759=cut
1760
1761sub find_by_path($) {
1762 my ($path) = @_;
1763
1764 my ($match, $specificity);
1765
1766 for my $region (list) {
1767 if ($region->{match} && $path =~ $region->{match}) {
1768 ($match, $specificity) = ($region, $region->specificity)
1769 if $region->specificity > $specificity;
1770 }
1771 }
1772
1773 $match
1774}
1102 1775
1103=back 1776=back
1104
1105 1777
1106=head3 cf::map 1778=head3 cf::map
1107 1779
1108=over 4 1780=over 4
1109 1781
… …
1122our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1123 1795
1124sub generate_random_map { 1796sub generate_random_map {
1125 my ($self, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1126 1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1800
1127 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1802 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1133 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1134 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1812 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1813 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1814 )
1141} 1815}
1142 1816
1817=item cf::map->register ($regex, $prio)
1818
1819Register a handler for the map path matching the given regex at the
1820givne priority (higher is better, built-in handlers have priority 0, the
1821default).
1822
1823=cut
1824
1143sub register { 1825sub register {
1144 my (undef, $regex) = @_; 1826 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1827 my $pkg = caller;
1146 1828
1147 no strict; 1829 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1830 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1831
1150 $EXT_MAP{$pkg} = qr<$regex>; 1832 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1833}
1152 1834
1153# also paths starting with '/' 1835# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1836$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155 1837
1156sub thawer_merge { 1838sub thawer_merge {
1157 my ($self, $merge) = @_; 1839 my ($self, $merge) = @_;
1158 1840
1159 # we have to keep some variables in memory intact 1841 # we have to keep some variables in memory intact
1160 local $self->{path}; 1842 local $self->{path};
1161 local $self->{load_path}; 1843 local $self->{load_path};
1162 local $self->{deny_save};
1163 local $self->{deny_reset};
1164 1844
1165 $self->SUPER::thawer_merge ($merge); 1845 $self->SUPER::thawer_merge ($merge);
1166} 1846}
1167 1847
1168sub normalise { 1848sub normalise {
1169 my ($path, $base) = @_; 1849 my ($path, $base) = @_;
1850
1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1170 1854
1171 # map plan: 1855 # map plan:
1172 # 1856 #
1173 # /! non-realised random map exit (special hack!) 1857 # /! non-realised random map exit (special hack!)
1174 # {... are special paths that are not being touched 1858 # {... are special paths that are not being touched
… …
1202 1886
1203 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1887 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204 1888
1205 $path = normalise $path, $base; 1889 $path = normalise $path, $base;
1206 1890
1207 for my $pkg (keys %EXT_MAP) { 1891 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208 if ($path =~ $EXT_MAP{$pkg}) { 1892 if ($path =~ $EXT_MAP{$pkg}[1]) {
1209 my $self = bless cf::map::new, $pkg; 1893 my $self = bless cf::map::new, $pkg;
1210 $self->{path} = $path; $self->path ($path); 1894 $self->{path} = $path; $self->path ($path);
1211 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1212 return $self; 1896 return $self;
1213 } 1897 }
1214 } 1898 }
1215 1899
1216 Carp::carp "unable to resolve path '$path'."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1217 () 1901 ()
1218} 1902}
1219 1903
1220sub init { 1904sub init {
1221 my ($self) = @_; 1905 my ($self) = @_;
… …
1236 1920
1237# the original (read-only) location 1921# the original (read-only) location
1238sub load_path { 1922sub load_path {
1239 my ($self) = @_; 1923 my ($self) = @_;
1240 1924
1241 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1925 "$MAPDIR/$self->{path}.map"
1242} 1926}
1243 1927
1244# the temporary/swap location 1928# the temporary/swap location
1245sub save_path { 1929sub save_path {
1246 my ($self) = @_; 1930 my ($self) = @_;
1247 1931
1248 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1933 "$TMPDIR/$path.map"
1250} 1934}
1251 1935
1252# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1253sub uniq_path { 1937sub uniq_path {
1254 my ($self) = @_; 1938 my ($self) = @_;
1255 1939
1256 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1941 "$UNIQUEDIR/$path"
1258} 1942}
1259 1943
1260# and all this just because we cannot iterate over 1944sub decay_objects {
1261# all maps in C++...
1262sub change_all_map_light {
1263 my ($change) = @_; 1945 my ($self) = @_;
1264 1946
1265 $_->change_map_light ($change) 1947 return if $self->{deny_reset};
1266 for grep $_->outdoor, values %cf::MAP; 1948
1949 $self->do_decay_objects;
1267} 1950}
1268 1951
1269sub unlink_save { 1952sub unlink_save {
1270 my ($self) = @_; 1953 my ($self) = @_;
1271 1954
… …
1276 1959
1277sub load_header_from($) { 1960sub load_header_from($) {
1278 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1279 1962
1280 utf8::encode $path; 1963 utf8::encode $path;
1281 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1282 or return; 1965 or return;
1283 1966
1284 $self->_load_header ($path) 1967 $self->_load_header ($f)
1285 or return; 1968 or return;
1286 1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1972
1287 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1288 1974
1289 1 1975 1
1290} 1976}
1291 1977
1292sub load_orig { 1978sub load_header_orig {
1293 my ($self) = @_; 1979 my ($self) = @_;
1294 1980
1295 $self->load_header_from ($self->load_path) 1981 $self->load_header_from ($self->load_path)
1296} 1982}
1297 1983
1298sub load_temp { 1984sub load_header_temp {
1299 my ($self) = @_; 1985 my ($self) = @_;
1300 1986
1301 $self->load_header_from ($self->save_path) 1987 $self->load_header_from ($self->save_path)
1988}
1989
1990sub prepare_temp {
1991 my ($self) = @_;
1992
1993 $self->last_access ((delete $self->{last_access})
1994 || $cf::RUNTIME); #d#
1995 # safety
1996 $self->{instantiate_time} = $cf::RUNTIME
1997 if $self->{instantiate_time} > $cf::RUNTIME;
1998}
1999
2000sub prepare_orig {
2001 my ($self) = @_;
2002
2003 $self->{load_original} = 1;
2004 $self->{instantiate_time} = $cf::RUNTIME;
2005 $self->last_access ($cf::RUNTIME);
2006 $self->instantiate;
1302} 2007}
1303 2008
1304sub load_header { 2009sub load_header {
1305 my ($self) = @_; 2010 my ($self) = @_;
1306 2011
1307 if ($self->load_temp) { 2012 if ($self->load_header_temp) {
1308 $self->last_access ((delete $self->{last_access}) 2013 $self->prepare_temp;
1309 || $cf::RUNTIME); #d#
1310 # safety
1311 $self->{instantiate_time} = $cf::RUNTIME
1312 if $self->{instantiate_time} > $cf::RUNTIME;
1313 } else { 2014 } else {
1314 $self->load_orig 2015 $self->load_header_orig
1315 or return; 2016 or return;
1316 2017 $self->prepare_orig;
1317 $self->{load_original} = 1;
1318 $self->{instantiate_time} = $cf::RUNTIME;
1319 $self->last_access ($cf::RUNTIME);
1320 $self->instantiate;
1321 } 2018 }
2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
1322 2025
1323 1 2026 1
1324} 2027}
1325 2028
1326sub find; 2029sub find;
1327sub find { 2030sub find {
1328 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1329 2032
1330 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1331 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1332 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1333 2037
1334 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1335 my $guard = cf::lock_acquire "map_find:$path";
1336 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1337 or return; 2040 or return;
1338 2041
1339 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1340 2043
1341 $map->load_header 2044 $map->load_header
1342 or return; 2045 or return;
1343 2046
1344 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously
1345 $cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1346 $map->reset; 2052 $map->reset;
1347 undef $guard;
1348 $map = find $path 2053 return find $path;
1349 or return;
1350 } 2054 }
1351 2055
1352 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1353 } 2057 }
1354} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1355 2062
1356sub load { 2063sub load {
1357 my ($self) = @_; 2064 my ($self) = @_;
1358 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1359 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1360 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1361 2072
2073 return unless $self->valid;
1362 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1363 2075
1364 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1365 2077
1366 $self->alloc; 2078 $self->alloc;
1367 $self->_load_objects ($self->{load_path}, 1) 2079
2080 $self->pre_load;
2081 cf::cede_to_tick;
2082
2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1368 or return; 2086 or return;
1369 2087
1370 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1371 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1372 2090
1373 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1374 utf8::encode $uniq; 2092 utf8::encode $uniq;
1375 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1376 $self->clear_unique_items; 2095 $self->clear_unique_items;
1377 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1378 } 2099 }
1379 } 2100 }
1380 2101
1381 Coro::cede; 2102 $f->resolve_delayed_derefs;
1382 2103
2104 cf::cede_to_tick;
1383 # now do the right thing for maps 2105 # now do the right thing for maps
1384 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1385
1386 unless ($self->{deny_activate}) {
1387 $self->decay_objects;
1388 $self->fix_auto_apply;
1389 $self->update_buttons;
1390 Coro::cede;
1391 $self->set_darkness_map;
1392 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1393 unless $self->difficulty; 2108 unless $self->difficulty;
1394 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
1395 $self->activate; 2116 $self->activate;
1396 } 2117 }
1397 2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
1398 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1399} 2123 }
1400 2124
2125 $self->post_load;
2126}
2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
1401sub customise_for { 2131sub customise_for {
1402 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1403 2133
1404 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1405 if $self->per_player; 2135 if $self->per_player;
1406 2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
1407 $self 2140 $self
1408} 2141}
1409 2142
1410# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1411sub load_diag { 2144sub load_neighbours {
1412 my ($map) = @_; 2145 my ($map) = @_;
1413 2146
1414 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1415 2148
1416 for (0 .. 3) { 2149 for (0 .. 3) {
1417 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1418 or next; 2151 or next;
1419 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1420 or next; 2153 or next;
1421 $neigh->load; 2154 $neigh->load;
1422 2155
2156 push @neigh,
1423 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1424 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1425 } 2159 }
1426 2160
1427 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1428 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1429 or next; 2164 or next;
1430 $neigh->load; 2165 $neigh->load;
1431 } 2166 }
1432} 2167}
1433 2168
… …
1438} 2173}
1439 2174
1440sub do_load_sync { 2175sub do_load_sync {
1441 my ($map) = @_; 2176 my ($map) = @_;
1442 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1443 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1444} 2182}
1445 2183
1446our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1447our $MAP_PREFETCHER = Coro::async { 2185our $MAP_PREFETCHER = undef;
1448 while () {
1449 for my $path (keys %MAP_PREFETCH) {
1450 my $map = find $path
1451 or next;
1452 $map->load;
1453
1454 delete $MAP_PREFETCH{$path};
1455 }
1456 Coro::schedule;
1457 }
1458};
1459 2186
1460sub find_async { 2187sub find_async {
1461 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1462 2189
1463 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1464 2191
1465 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2194 }
2195
2196 $MAP_PREFETCH{$path} |= $load;
2197
2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
2201 while (%MAP_PREFETCH) {
2202 while (my ($k, $v) = each %MAP_PREFETCH) {
2203 if (my $map = find $k) {
2204 $map->load if $v;
2205 }
2206
2207 delete $MAP_PREFETCH{$k};
2208 }
2209 }
2210 undef $MAP_PREFETCHER;
1467 } 2211 };
1468
1469 $MAP_PREFETCH{$path} = 0;
1470 $MAP_PREFETCHER->ready; 2212 $MAP_PREFETCHER->prio (6);
1471 2213
1472 () 2214 ()
1473} 2215}
1474 2216
1475sub save { 2217sub save {
1476 my ($self) = @_; 2218 my ($self) = @_;
1477 2219
1478 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1479 2221
1480 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1481 2223
1482 return unless $self->dirty; 2224 return unless $self->dirty;
1483 2225
… …
1489 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1490 2232
1491 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1492 2234
1493 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1494 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1495 }; 2238 };
2239
2240 cf::get_slot 0.02;
1496 2241
1497 if ($uniq) { 2242 if ($uniq) {
1498 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1500 } else { 2245 } else {
… …
1506 my ($self) = @_; 2251 my ($self) = @_;
1507 2252
1508 # save first because save cedes 2253 # save first because save cedes
1509 $self->save; 2254 $self->save;
1510 2255
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2257
1513 return if $self->players; 2258 return if $self->players;
1514 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1515 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1516 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1517 $self->clear; 2266 $self->clear;
1518 $self->in_memory (cf::MAP_SWAPPED);
1519} 2267}
1520 2268
1521sub reset_at { 2269sub reset_at {
1522 my ($self) = @_; 2270 my ($self) = @_;
1523 2271
1524 # TODO: safety, remove and allow resettable per-player maps 2272 # TODO: safety, remove and allow resettable per-player maps
1525 return 1e99 if $self->isa ("ext::map_per_player");#d#
1526 return 1e99 if $self->{deny_reset}; 2273 return 1e99 if $self->{deny_reset};
1527 2274
1528 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2275 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2276 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530 2277
… …
1535 my ($self) = @_; 2282 my ($self) = @_;
1536 2283
1537 $self->reset_at <= $cf::RUNTIME 2284 $self->reset_at <= $cf::RUNTIME
1538} 2285}
1539 2286
1540sub rename {
1541 my ($self, $new_path) = @_;
1542
1543 normalise $new_path;
1544
1545 $self->unlink_save;
1546
1547 delete $cf::MAP{$self->path};
1548 $self->{path} = $new_path; $self->path ($self->{path});
1549 $cf::MAP{$self->path} = $self;
1550
1551 $self->save;
1552}
1553
1554sub reset { 2287sub reset {
1555 my ($self) = @_; 2288 my ($self) = @_;
1556 2289
1557 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 2291
1559 return if $self->players; 2292 return if $self->players;
1560 return if $self->isa ("ext::map_per_player");#d#
1561 2293
1562 warn "resetting map ", $self->path;#d# 2294 warn "resetting map ", $self->path, "\n";
2295
2296 $self->in_memory (cf::MAP_SWAPPED);
2297
2298 # need to save uniques path
2299 unless ($self->{deny_save}) {
2300 my $uniq = $self->uniq_path; utf8::encode $uniq;
2301
2302 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2303 if $uniq;
2304 }
1563 2305
1564 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1565 2307
1566 $self->in_memory (cf::MAP_SWAPPED); 2308 $self->deactivate;
2309 $_->clear_links_to ($self) for values %cf::MAP;
1567 $self->clear; 2310 $self->clear;
1568
1569 $_->clear_links_to ($self) for values %cf::MAP;
1570 2311
1571 $self->unlink_save; 2312 $self->unlink_save;
1572 $self->destroy; 2313 $self->destroy;
1573} 2314}
1574 2315
1575my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1576 2317
1577sub nuke { 2318sub nuke {
1578 my ($self) = @_; 2319 my ($self) = @_;
1579 2320
2321 {
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
2324 delete $cf::MAP{$self->path};
2325
2326 $self->unlink_save;
2327
2328 bless $self, "cf::map";
2329 delete $self->{deny_reset};
1580 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1581 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1582 $self->rename ("{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2333
2334 $cf::MAP{$self->path} = $self;
2335 }
2336
1583 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
2338}
2339
2340=item $maps = cf::map::tmp_maps
2341
2342Returns an arrayref with all map paths of currently instantiated and saved
2343maps. May block.
2344
2345=cut
2346
2347sub tmp_maps() {
2348 [
2349 map {
2350 utf8::decode $_;
2351 /\.map$/
2352 ? normalise $_
2353 : ()
2354 } @{ aio_readdir $TMPDIR or [] }
2355 ]
2356}
2357
2358=item $maps = cf::map::random_maps
2359
2360Returns an arrayref with all map paths of currently instantiated and saved
2361random maps. May block.
2362
2363=cut
2364
2365sub random_maps() {
2366 [
2367 map {
2368 utf8::decode $_;
2369 /\.map$/
2370 ? normalise "?random/$_"
2371 : ()
2372 } @{ aio_readdir $RANDOMDIR or [] }
2373 ]
1584} 2374}
1585 2375
1586=item cf::map::unique_maps 2376=item cf::map::unique_maps
1587 2377
1588Returns an arrayref of paths of all shared maps that have 2378Returns an arrayref of paths of all shared maps that have
1589instantiated unique items. May block. 2379instantiated unique items. May block.
1590 2380
1591=cut 2381=cut
1592 2382
1593sub unique_maps() { 2383sub unique_maps() {
1594 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2384 [
1595 or return; 2385 map {
1596
1597 my @paths;
1598
1599 for (@$files) {
1600 utf8::decode $_; 2386 utf8::decode $_;
1601 next if /\.pst$/; 2387 s/\.map$//; # TODO future compatibility hack
1602 next unless /^$PATH_SEP/o; 2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2389 ? ()
2390 : normalise $_
2391 } @{ aio_readdir $UNIQUEDIR or [] }
2392 ]
2393}
1603 2394
2395=item cf::map::static_maps
2396
2397Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2398file in the shared directory excluding F</styles> and F</editor>). May
2399block.
2400
2401=cut
2402
2403sub static_maps() {
2404 my @dirs = "";
2405 my @maps;
2406
2407 while (@dirs) {
2408 my $dir = shift @dirs;
2409
2410 next if $dir eq "/styles" || $dir eq "/editor";
2411
2412 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2413 or return;
2414
2415 for (@$files) {
1604 s/\.map$//; 2416 s/\.map$// or next;
1605 push @paths, $_; 2417 utf8::decode $_;
1606 } 2418 push @maps, "$dir/$_";
2419 }
1607 2420
1608 \@paths 2421 push @dirs, map "$dir/$_", @$dirs;
1609} 2422 }
1610 2423
1611package cf; 2424 \@maps
2425}
1612 2426
1613=back 2427=back
1614 2428
1615=head3 cf::object 2429=head3 cf::object
1616 2430
… …
1620 2434
1621=over 4 2435=over 4
1622 2436
1623=item $ob->inv_recursive 2437=item $ob->inv_recursive
1624 2438
1625Returns the inventory of the object _and_ their inventories, recursively. 2439Returns the inventory of the object I<and> their inventories, recursively,
2440but I<not> the object itself.
1626 2441
1627=cut 2442=cut
1628 2443
1629sub inv_recursive_; 2444sub inv_recursive_;
1630sub inv_recursive_ { 2445sub inv_recursive_ {
… …
1633 2448
1634sub inv_recursive { 2449sub inv_recursive {
1635 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1636} 2451}
1637 2452
2453=item $ref = $ob->ref
2454
2455Creates and returns a persistent reference to an object that can be stored as a string.
2456
2457=item $ob = cf::object::deref ($refstring)
2458
2459returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2460even if the object actually exists. May block.
2461
2462=cut
2463
2464sub deref {
2465 my ($ref) = @_;
2466
2467 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2468 my ($uuid, $name) = ($1, $2);
2469 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2470 or return;
2471 $pl->ob->uuid eq $uuid
2472 or return;
2473
2474 $pl->ob
2475 } else {
2476 warn "$ref: cannot resolve object reference\n";
2477 undef
2478 }
2479}
2480
1638package cf; 2481package cf;
1639 2482
1640=back 2483=back
1641 2484
1642=head3 cf::object::player 2485=head3 cf::object::player
… …
1648Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2491Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649can be C<undef>. Does the right thing when the player is currently in a 2492can be C<undef>. Does the right thing when the player is currently in a
1650dialogue with the given NPC character. 2493dialogue with the given NPC character.
1651 2494
1652=cut 2495=cut
2496
2497our $SAY_CHANNEL = {
2498 id => "say",
2499 title => "Map",
2500 reply => "say ",
2501 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2502};
2503
2504our $CHAT_CHANNEL = {
2505 id => "chat",
2506 title => "Chat",
2507 reply => "chat ",
2508 tooltip => "Player chat and shouts, global to the server.",
2509};
1653 2510
1654# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1655# with dialog boxes. 2512# with dialog boxes.
1656#TODO: the first argument must go, split into a $npc->reply_to ( method 2513#TODO: the first argument must go, split into a $npc->reply_to ( method
1657sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
… …
1659 2516
1660 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661 2518
1662 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1663 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1664 } else { 2522 } else {
2523 my $pl = $self->contr;
2524
2525 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2526 my $dialog = $pl->{npc_dialog};
2527 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2528
2529 } else {
1665 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1666 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1667 } 2533 }
2534}
2535
2536=item $object->send_msg ($channel, $msg, $color, [extra...])
2537
2538=cut
2539
2540sub cf::object::send_msg {
2541 my $pl = shift->contr
2542 or return;
2543 $pl->send_msg (@_);
1668} 2544}
1669 2545
1670=item $player_object->may ("access") 2546=item $player_object->may ("access")
1671 2547
1672Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
… …
1685 2561
1686=item $player_object->enter_link 2562=item $player_object->enter_link
1687 2563
1688Freezes the player and moves him/her to a special map (C<{link}>). 2564Freezes the player and moves him/her to a special map (C<{link}>).
1689 2565
1690The player should be reasonably safe there for short amounts of time. You 2566The player should be reasonably safe there for short amounts of time (e.g.
1691I<MUST> call C<leave_link> as soon as possible, though. 2567for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2568though, as the palyer cannot control the character while it is on the link
2569map.
1692 2570
1693Will never block. 2571Will never block.
1694 2572
1695=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1696 2574
… …
1704=cut 2582=cut
1705 2583
1706sub link_map { 2584sub link_map {
1707 unless ($LINK_MAP) { 2585 unless ($LINK_MAP) {
1708 $LINK_MAP = cf::map::find "{link}" 2586 $LINK_MAP = cf::map::find "{link}"
1709 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2587 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1710 $LINK_MAP->load; 2588 $LINK_MAP->load;
1711 } 2589 }
1712 2590
1713 $LINK_MAP 2591 $LINK_MAP
1714} 2592}
… …
1719 $self->deactivate_recursive; 2597 $self->deactivate_recursive;
1720 2598
1721 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2599 return if UNIVERSAL::isa $self->map, "ext::map_link";
1722 2600
1723 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2601 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1724 if $self->map; 2602 if $self->map && $self->map->{path} ne "{link}";
1725 2603
1726 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2604 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1727} 2605}
1728 2606
1729sub cf::object::player::leave_link { 2607sub cf::object::player::leave_link {
1730 my ($self, $map, $x, $y) = @_; 2608 my ($self, $map, $x, $y) = @_;
2609
2610 return unless $self->contr->active;
1731 2611
1732 my $link_pos = delete $self->{_link_pos}; 2612 my $link_pos = delete $self->{_link_pos};
1733 2613
1734 unless ($map) { 2614 unless ($map) {
1735 # restore original map position 2615 # restore original map position
… …
1746 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
1747 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
1748 2628
1749 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
1750 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
1751 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
1752 2632
1753 $map->load; 2633 $map->load;
1754 $map->load_diag; 2634 $map->load_neighbours;
1755 2635
1756 return unless $self->contr->active; 2636 return unless $self->contr->active;
2637
2638 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2639 $self->enter_map ($map, $x, $y);
2640
2641 # only activate afterwards, to support waiting in hooks
1757 $self->activate_recursive; 2642 $self->activate_recursive;
1758 $self->enter_map ($map, $x, $y);
1759} 2643}
1760 2644
1761cf::player->attach ( 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1762 on_logout => sub {
1763 my ($pl) = @_;
1764 2646
1765 # abort map switching before logout 2647Moves the player to the given map-path and coordinates by first freezing
1766 if ($pl->ob->{_link_pos}) { 2648her, loading and preparing them map, calling the provided $check callback
1767 cf::sync_job { 2649that has to return the map if sucecssful, and then unfreezes the player on
1768 $pl->ob->leave_link 2650the new (success) or old (failed) map position. In either case, $done will
1769 }; 2651be called at the end of this process.
1770 }
1771 },
1772 on_login => sub {
1773 my ($pl) = @_;
1774 2652
1775 # try to abort aborted map switching on player login :) 2653Note that $check will be called with a potentially non-loaded map, so if
1776 # should happen only on crashes 2654it needs a loaded map it has to call C<< ->load >>.
1777 if ($pl->ob->{_link_pos}) {
1778 $pl->ob->enter_link;
1779 (async {
1780 # we need this sleep as the login has a concurrent enter_exit running
1781 # and this sleep increases chances of the player not ending up in scorn
1782 $pl->ob->reply (undef,
1783 "There was an internal problem at your last logout, "
1784 . "the server will try to bring you to your intended destination in a second.",
1785 cf::NDI_RED);
1786 Coro::Timer::sleep 1;
1787 $pl->ob->leave_link;
1788 })->prio (2);
1789 }
1790 },
1791);
1792 2655
1793=item $player_object->goto ($path, $x, $y)
1794
1795=cut 2656=cut
2657
2658our $GOTOGEN;
1796 2659
1797sub cf::object::player::goto { 2660sub cf::object::player::goto {
1798 my ($self, $path, $x, $y) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
2662
2663 # do generation counting so two concurrent goto's will be executed in-order
2664 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1799 2665
1800 $self->enter_link; 2666 $self->enter_link;
1801 2667
1802 (async { 2668 (async {
1803 my $map = cf::map::find $path; 2669 $Coro::current->{desc} = "player::goto $path $x $y";
2670
2671 # *tag paths override both path and x|y
2672 if ($path =~ /^\*(.*)$/) {
2673 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2674 my $ob = $obs[rand @obs];
2675
2676 # see if we actually can go there
2677 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2678 $ob = $obs[rand @obs];
2679 } else {
2680 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2681 }
2682 # else put us there anyways for now #d#
2683
2684 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2685 } else {
2686 ($path, $x, $y) = (undef, undef, undef);
2687 }
2688 }
2689
2690 my $map = eval {
2691 my $map = defined $path ? cf::map::find $path : undef;
2692
2693 if ($map) {
1804 $map = $map->customise_for ($self) if $map; 2694 $map = $map->customise_for ($self);
1805 2695 $map = $check->($map) if $check && $map;
1806# warn "entering ", $map->path, " at ($x, $y)\n" 2696 } else {
1807# if $map;
1808
1809 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2697 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2698 }
1810 2699
2700 $map
2701 };
2702
2703 if ($@) {
2704 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2705 LOG llevError | logBacktrace, Carp::longmess $@;
2706 }
2707
2708 if ($gen == $self->{_goto_generation}) {
2709 delete $self->{_goto_generation};
1811 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2711 }
2712
2713 $done->() if $done;
1812 })->prio (1); 2714 })->prio (1);
1813} 2715}
1814 2716
1815=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
1816 2718
… …
1818 2720
1819sub parse_random_map_params { 2721sub parse_random_map_params {
1820 my ($spec) = @_; 2722 my ($spec) = @_;
1821 2723
1822 my $rmp = { # defaults 2724 my $rmp = { # defaults
1823 xsize => 10, 2725 xsize => (cf::rndm 15, 40),
1824 ysize => 10, 2726 ysize => (cf::rndm 15, 40),
2727 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2728 #layout => string,
1825 }; 2729 };
1826 2730
1827 for (split /\n/, $spec) { 2731 for (split /\n/, $spec) {
1828 my ($k, $v) = split /\s+/, $_, 2; 2732 my ($k, $v) = split /\s+/, $_, 2;
1829 2733
… …
1841 # that depends on the exit object 2745 # that depends on the exit object
1842 2746
1843 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
1844 2748
1845 if ($exit->map) { 2749 if ($exit->map) {
1846 $rmp->{region} = $exit->map->region_name; 2750 $rmp->{region} = $exit->region->name;
1847 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
1848 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
1849 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
1850 } 2756 }
1851 2757
1852 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
1853 2759
1854 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1855 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
2762 my $meta = "$RANDOMDIR/$md5.meta";
1856 2763
1857 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
2766 undef $fh;
2767 aio_rename "$meta~", $meta;
1859 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
1860 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
1861 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
1862 } 2775 }
1863} 2776}
1864 2777
1865sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
1866 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
… …
1868 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
1869 2782
1870 $self->enter_link; 2783 $self->enter_link;
1871 2784
1872 (async { 2785 (async {
1873 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
1874 unless (eval { 2788 unless (eval {
2789 $self->deactivate_recursive; # just to be sure
2790
2791 # random map handling
2792 {
2793 my $guard = cf::lock_acquire "exit_prepare:$exit";
2794
1875 prepare_random_map $exit 2795 prepare_random_map $exit
1876 if $exit->slaying eq "/!"; 2796 if $exit->slaying eq "/!";
2797 }
1877 2798
1878 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1879 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
1880 2802
2803 $self->goto ($map, $x, $y);
2804
2805 # if exit is damned, update players death & WoR home-position
2806 $self->contr->savebed ($map, $x, $y)
2807 if $exit->flag (cf::FLAG_DAMNED);
2808
1881 1; 2809 1
1882 }) { 2810 }) {
1883 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
1884 . "I'll try to bring you back to the map you were before. " 2812 . "I'll try to bring you back to the map you were before. "
1885 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
1886 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
1887 2815
1888 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
1889 $self->leave_link; 2817 $self->leave_link;
1890 } 2818 }
1891 })->prio (1); 2819 })->prio (1);
… …
1904 2832
1905sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
1906 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
1907 2835
1908 utf8::encode $text; 2836 utf8::encode $text;
1909 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1910} 2838}
1911 2839
2840=item $client->send_big_packet ($pkt)
2841
2842Like C<send_packet>, but tries to compress large packets, and fragments
2843them as required.
2844
2845=cut
2846
2847our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2848
2849sub cf::client::send_big_packet {
2850 my ($self, $pkt) = @_;
2851
2852 # try lzf for large packets
2853 $pkt = "lzf " . Compress::LZF::compress $pkt
2854 if 1024 <= length $pkt and $self->{can_lzf};
2855
2856 # split very large packets
2857 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2858 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2859 $pkt = "frag";
2860 }
2861
2862 $self->send_packet ($pkt);
2863}
2864
2865=item $client->send_msg ($channel, $msg, $color, [extra...])
2866
2867Send a drawinfo or msg packet to the client, formatting the msg for the
2868client if neccessary. C<$type> should be a string identifying the type of
2869the message, with C<log> being the default. If C<$color> is negative, suppress
2870the message unless the client supports the msg packet.
2871
2872=cut
2873
2874# non-persistent channels (usually the info channel)
2875our %CHANNEL = (
2876 "c/motd" => {
2877 id => "infobox",
2878 title => "MOTD",
2879 reply => undef,
2880 tooltip => "The message of the day",
2881 },
2882 "c/identify" => {
2883 id => "infobox",
2884 title => "Identify",
2885 reply => undef,
2886 tooltip => "Items recently identified",
2887 },
2888 "c/examine" => {
2889 id => "infobox",
2890 title => "Examine",
2891 reply => undef,
2892 tooltip => "Signs and other items you examined",
2893 },
2894 "c/shopinfo" => {
2895 id => "infobox",
2896 title => "Shop Info",
2897 reply => undef,
2898 tooltip => "What your bargaining skill tells you about the shop",
2899 },
2900 "c/book" => {
2901 id => "infobox",
2902 title => "Book",
2903 reply => undef,
2904 tooltip => "The contents of a note or book",
2905 },
2906 "c/lookat" => {
2907 id => "infobox",
2908 title => "Look",
2909 reply => undef,
2910 tooltip => "What you saw there",
2911 },
2912 "c/who" => {
2913 id => "infobox",
2914 title => "Players",
2915 reply => undef,
2916 tooltip => "Shows players who are currently online",
2917 },
2918 "c/body" => {
2919 id => "infobox",
2920 title => "Body Parts",
2921 reply => undef,
2922 tooltip => "Shows which body parts you posess and are available",
2923 },
2924 "c/statistics" => {
2925 id => "infobox",
2926 title => "Statistics",
2927 reply => undef,
2928 tooltip => "Shows your primary statistics",
2929 },
2930 "c/skills" => {
2931 id => "infobox",
2932 title => "Skills",
2933 reply => undef,
2934 tooltip => "Shows your experience per skill and item power",
2935 },
2936 "c/shopitems" => {
2937 id => "infobox",
2938 title => "Shop Items",
2939 reply => undef,
2940 tooltip => "Shows the items currently for sale in this shop",
2941 },
2942 "c/resistances" => {
2943 id => "infobox",
2944 title => "Resistances",
2945 reply => undef,
2946 tooltip => "Shows your resistances",
2947 },
2948 "c/pets" => {
2949 id => "infobox",
2950 title => "Pets",
2951 reply => undef,
2952 tooltip => "Shows information abotu your pets/a specific pet",
2953 },
2954 "c/perceiveself" => {
2955 id => "infobox",
2956 title => "Perceive Self",
2957 reply => undef,
2958 tooltip => "You gained detailed knowledge about yourself",
2959 },
2960 "c/uptime" => {
2961 id => "infobox",
2962 title => "Uptime",
2963 reply => undef,
2964 tooltip => "How long the server has been running since last restart",
2965 },
2966 "c/mapinfo" => {
2967 id => "infobox",
2968 title => "Map Info",
2969 reply => undef,
2970 tooltip => "Information related to the maps",
2971 },
2972 "c/party" => {
2973 id => "party",
2974 title => "Party",
2975 reply => "gsay ",
2976 tooltip => "Messages and chat related to your party",
2977 },
2978 "c/death" => {
2979 id => "death",
2980 title => "Death",
2981 reply => undef,
2982 tooltip => "Reason for and more info about your most recent death",
2983 },
2984 "c/say" => $SAY_CHANNEL,
2985 "c/chat" => $CHAT_CHANNEL,
2986);
2987
2988sub cf::client::send_msg {
2989 my ($self, $channel, $msg, $color, @extra) = @_;
2990
2991 $msg = $self->pl->expand_cfpod ($msg)
2992 unless $color & cf::NDI_VERBATIM;
2993
2994 $color &= cf::NDI_CLIENT_MASK; # just in case...
2995
2996 # check predefined channels, for the benefit of C
2997 if ($CHANNEL{$channel}) {
2998 $channel = $CHANNEL{$channel};
2999
3000 $self->ext_msg (channel_info => $channel);
3001 $channel = $channel->{id};
3002
3003 } elsif (ref $channel) {
3004 # send meta info to client, if not yet sent
3005 unless (exists $self->{channel}{$channel->{id}}) {
3006 $self->{channel}{$channel->{id}} = $channel;
3007 $self->ext_msg (channel_info => $channel);
3008 }
3009
3010 $channel = $channel->{id};
3011 }
3012
3013 return unless @extra || length $msg;
3014
3015 # default colour, mask it out
3016 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3017 if $color & cf::NDI_DEF;
3018
3019 my $pkt = "msg "
3020 . $self->{json_coder}->encode (
3021 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3022 );
3023
3024 $self->send_big_packet ($pkt);
3025}
3026
3027=item $client->ext_msg ($type, @msg)
3028
3029Sends an ext event to the client.
3030
3031=cut
3032
3033sub cf::client::ext_msg($$@) {
3034 my ($self, $type, @msg) = @_;
3035
3036 if ($self->extcmd == 2) {
3037 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3038 } elsif ($self->extcmd == 1) { # TODO: remove
3039 push @msg, msgtype => "event_$type";
3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3041 }
3042}
3043
3044=item $client->ext_reply ($msgid, @msg)
3045
3046Sends an ext reply to the client.
3047
3048=cut
3049
3050sub cf::client::ext_reply($$@) {
3051 my ($self, $id, @msg) = @_;
3052
3053 if ($self->extcmd == 2) {
3054 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3055 } elsif ($self->extcmd == 1) {
3056 #TODO: version 1, remove
3057 unshift @msg, msgtype => "reply", msgid => $id;
3058 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3059 }
3060}
1912 3061
1913=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
1914 3063
1915Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
1916the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3065the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1917C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3066C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1918 3067
1919Queries can fail, so check the return code. Or don't, as queries will become 3068Queries can fail, so check the return code. Or don't, as queries will
1920reliable at some point in the future. 3069become reliable at some point in the future.
1921 3070
1922=cut 3071=cut
1923 3072
1924sub cf::client::query { 3073sub cf::client::query {
1925 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
… …
1933 utf8::encode $text; 3082 utf8::encode $text;
1934 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1935 3084
1936 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
1937 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
1938} 3089}
1939 3090
1940cf::client->attach ( 3091cf::client->attach (
3092 on_connect => sub {
3093 my ($ns) = @_;
3094
3095 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3096 },
1941 on_reply => sub { 3097 on_reply => sub {
1942 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
1943 3099
1944 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
1945 # get handled first 3101 # get handled first
1946 my $queue = delete $ns->{query_queue} 3102 my $queue = delete $ns->{query_queue}
1947 or return; # be conservative, not sure how that can happen, but we saw a crash here 3103 or return; # be conservative, not sure how that can happen, but we saw a crash here
1948 3104
1949 (shift @$queue)->[1]->($msg); 3105 (shift @$queue)->[1]->($msg);
3106 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1950 3107
1951 push @{ $ns->{query_queue} }, @$queue; 3108 push @{ $ns->{query_queue} }, @$queue;
1952 3109
1953 if (@{ $ns->{query_queue} } == @$queue) { 3110 if (@{ $ns->{query_queue} } == @$queue) {
1954 if (@$queue) { 3111 if (@$queue) {
… …
1956 } else { 3113 } else {
1957 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1958 } 3115 }
1959 } 3116 }
1960 }, 3117 },
3118 on_exticmd => sub {
3119 my ($ns, $buf) = @_;
3120
3121 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3122
3123 if (ref $msg) {
3124 my ($type, $reply, @payload) =
3125 "ARRAY" eq ref $msg
3126 ? @$msg
3127 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3128
3129 my @reply;
3130
3131 if (my $cb = $EXTICMD{$type}) {
3132 @reply = $cb->($ns, @payload);
3133 }
3134
3135 $ns->ext_reply ($reply, @reply)
3136 if $reply;
3137
3138 } else {
3139 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3140 }
3141
3142 cf::override;
3143 },
1961); 3144);
1962 3145
1963=item $client->async (\&cb) 3146=item $client->async (\&cb)
1964 3147
1965Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
… …
1981 3164
1982 $coro 3165 $coro
1983} 3166}
1984 3167
1985cf::client->attach ( 3168cf::client->attach (
1986 on_destroy => sub { 3169 on_client_destroy => sub {
1987 my ($ns) = @_; 3170 my ($ns) = @_;
1988 3171
1989 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1990 }, 3173 },
1991); 3174);
… …
2006our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2007our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2008 3191
2009$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2010 3193
2011$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3194$safe->permit_only (Opcode::opset qw(
3195 :base_core :base_mem :base_orig :base_math :base_loop
3196 grepstart grepwhile mapstart mapwhile
3197 sort time
3198));
2012 3199
2013# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2014 3201
2015=pod 3202=pod
2016 3203
2017The following fucntions and emthods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2018 3205
2019 cf::object contr pay_amount pay_player map 3206 cf::object
3207 contr pay_amount pay_player map x y force_find force_add destroy
3208 insert remove name archname title slaying race decrease split
3209 value
3210
2020 cf::object::player player 3211 cf::object::player
2021 cf::player peaceful 3212 player
2022 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2023 3219
2024=cut 3220=cut
2025 3221
2026for ( 3222for (
2027 ["cf::object" => qw(contr pay_amount pay_player map)], 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3224 insert remove inv nrof name archname title slaying race
3225 decrease split destroy change_exp value msg lore send_msg)],
2028 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2029 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2030 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2031) { 3229) {
2032 no strict 'refs'; 3230 no strict 'refs';
2033 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2034 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2052 3250
2053 my $qcode = $code; 3251 my $qcode = $code;
2054 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2055 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2056 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2057 local $_; 3258 local $_;
2058 local @safe::cf::_safe_eval_args = values %vars;
2059 3259
2060 my $eval = 3260 my $eval =
2061 "do {\n" 3261 "do {\n"
2062 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2063 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2064 . $code 3264 . $code
2065 . "\n}" 3265 . "\n}"
2066 ; 3266 ;
2067 3267
3268 if ($CFG{safe_eval}) {
2068 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2069 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2070 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
2071 3277
2072 if ($@) { 3278 if ($@) {
2073 warn "$@"; 3279 warn "$@";
2074 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2075 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
… …
2094=cut 3300=cut
2095 3301
2096sub register_script_function { 3302sub register_script_function {
2097 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2098 3304
2099 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2100 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2101} 3307}
2102 3308
2103=back 3309=back
2104 3310
2105=cut 3311=cut
2106 3312
2107############################################################################# 3313#############################################################################
3314# the server's init and main functions
2108 3315
2109=head2 EXTENSION DATABASE SUPPORT 3316sub load_facedata($) {
3317 my ($path) = @_;
2110 3318
2111Crossfire maintains a very simple database for extension use. It can 3319 # HACK to clear player env face cache, we need some signal framework
2112currently store anything that can be serialised using Storable, which 3320 # for this (global event?)
2113excludes objects. 3321 %ext::player_env::MUSIC_FACE_CACHE = ();
2114 3322
2115The parameter C<$family> should best start with the name of the extension 3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2116using it, it should be unique.
2117 3324
2118=over 4 3325 warn "loading facedata from $path\n";
2119 3326
2120=item $hashref = cf::db_get $family 3327 my $facedata;
3328 0 < aio_load $path, $facedata
3329 or die "$path: $!";
2121 3330
2122Return a hashref for use by the extension C<$family>, which can be 3331 $facedata = Coro::Storable::thaw $facedata;
2123modified. After modifications, you have to call C<cf::db_dirty> or
2124C<cf::db_sync>.
2125 3332
2126=item $value = cf::db_get $family => $key 3333 $facedata->{version} == 2
3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2127 3335
2128Returns a single value from the database 3336 # patch in the exptable
2129 3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2130=item cf::db_put $family => $hashref 3338 $facedata->{resource}{"res/exp_table"} = {
2131 3339 type => FT_RSRC,
2132Stores the given family hashref into the database. Updates are delayed, if 3340 data => $exp_table,
2133you want the data to be synced to disk immediately, use C<cf::db_sync>. 3341 hash => (Digest::MD5::md5 $exp_table),
2134
2135=item cf::db_put $family => $key => $value
2136
2137Stores the given C<$value> in the family hash. Updates are delayed, if you
2138want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140=item cf::db_dirty
2141
2142Marks the database as dirty, to be updated at a later time.
2143
2144=item cf::db_sync
2145
2146Immediately write the database to disk I<if it is dirty>.
2147
2148=cut
2149
2150our $DB;
2151
2152{
2153 my $path = cf::localdir . "/database.pst";
2154
2155 sub db_load() {
2156 $DB = stat $path ? Storable::retrieve $path : { };
2157 }
2158
2159 my $pid;
2160
2161 sub db_save() {
2162 waitpid $pid, 0 if $pid;
2163 if (0 == ($pid = fork)) {
2164 $DB->{_meta}{version} = 1;
2165 Storable::nstore $DB, "$path~";
2166 rename "$path~", $path;
2167 cf::_exit 0 if defined $pid;
2168 }
2169 }
2170
2171 my $dirty;
2172
2173 sub db_sync() {
2174 db_save if $dirty;
2175 undef $dirty;
2176 }
2177
2178 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2179 db_sync;
2180 }); 3342 };
3343 cf::cede_to_tick;
2181 3344
2182 sub db_dirty() {
2183 $dirty = 1;
2184 $idle->start;
2185 } 3345 {
3346 my $faces = $facedata->{faceinfo};
2186 3347
2187 sub db_get($;$) { 3348 while (my ($face, $info) = each %$faces) {
2188 @_ >= 2 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2189 ? $DB->{$_[0]}{$_[1]}
2190 : ($DB->{$_[0]} ||= { })
2191 }
2192 3350
2193 sub db_put($$;$) { 3351 cf::face::set_visibility $idx, $info->{visibility};
2194 if (@_ >= 3) { 3352 cf::face::set_magicmap $idx, $info->{magicmap};
2195 $DB->{$_[0]}{$_[1]} = $_[2]; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2196 } else { 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2197 $DB->{$_[0]} = $_[1];
2198 }
2199 db_dirty;
2200 }
2201 3355
2202 cf::global->attach ( 3356 cf::cede_to_tick;
2203 prio => 10000,
2204 on_cleanup => sub {
2205 db_sync;
2206 }, 3357 }
2207 );
2208}
2209 3358
2210############################################################################# 3359 while (my ($face, $info) = each %$faces) {
2211# the server's main() 3360 next unless $info->{smooth};
2212 3361
2213sub cfg_load { 3362 my $idx = cf::face::find $face
3363 or next;
3364
3365 if (my $smooth = cf::face::find $info->{smooth}) {
3366 cf::face::set_smooth $idx, $smooth;
3367 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3368 } else {
3369 warn "smooth face '$info->{smooth}' not found for face '$face'";
3370 }
3371
3372 cf::cede_to_tick;
3373 }
3374 }
3375
3376 {
3377 my $anims = $facedata->{animinfo};
3378
3379 while (my ($anim, $info) = each %$anims) {
3380 cf::anim::set $anim, $info->{frames}, $info->{facings};
3381 cf::cede_to_tick;
3382 }
3383
3384 cf::anim::invalidate_all; # d'oh
3385 }
3386
3387 {
3388 my $res = $facedata->{resource};
3389
3390 while (my ($name, $info) = each %$res) {
3391 if (defined $info->{type}) {
3392 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3393
3394 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3395 cf::face::set_type $idx, $info->{type};
3396 } else {
3397 $RESOURCE{$name} = $info;
3398 }
3399
3400 cf::cede_to_tick;
3401 }
3402 }
3403
3404 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3405
3406 1
3407}
3408
3409cf::global->attach (on_resource_update => sub {
3410 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3411 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3412
3413 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3414 my $sound = $soundconf->{compat}[$_]
3415 or next;
3416
3417 my $face = cf::face::find "sound/$sound->[1]";
3418 cf::sound::set $sound->[0] => $face;
3419 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3420 }
3421
3422 while (my ($k, $v) = each %{$soundconf->{event}}) {
3423 my $face = cf::face::find "sound/$v";
3424 cf::sound::set $k => $face;
3425 }
3426 }
3427});
3428
3429register_exticmd fx_want => sub {
3430 my ($ns, $want) = @_;
3431
3432 while (my ($k, $v) = each %$want) {
3433 $ns->fx_want ($k, $v);
3434 }
3435};
3436
3437sub load_resource_file($) {
3438 my $guard = lock_acquire "load_resource_file";
3439
3440 my $status = load_resource_file_ $_[0];
3441 get_slot 0.1, 100;
3442 cf::arch::commit_load;
3443
3444 $status
3445}
3446
3447sub reload_regions {
3448 # HACK to clear player env face cache, we need some signal framework
3449 # for this (global event?)
3450 %ext::player_env::MUSIC_FACE_CACHE = ();
3451
3452 load_resource_file "$MAPDIR/regions"
3453 or die "unable to load regions file\n";
3454
3455 for (cf::region::list) {
3456 $_->{match} = qr/$_->{match}/
3457 if exists $_->{match};
3458 }
3459}
3460
3461sub reload_facedata {
3462 load_facedata "$DATADIR/facedata"
3463 or die "unable to load facedata\n";
3464}
3465
3466sub reload_archetypes {
3467 load_resource_file "$DATADIR/archetypes"
3468 or die "unable to load archetypes\n";
3469}
3470
3471sub reload_treasures {
3472 load_resource_file "$DATADIR/treasures"
3473 or die "unable to load treasurelists\n";
3474}
3475
3476sub reload_resources {
3477 warn "reloading resource files...\n";
3478
3479 reload_facedata;
3480 reload_archetypes;
3481 reload_regions;
3482 reload_treasures;
3483
3484 warn "finished reloading resource files\n";
3485}
3486
3487sub reload_config {
3488 warn "reloading config file...\n";
3489
2214 open my $fh, "<:utf8", cf::confdir . "/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2215 or return; 3491 or return;
2216 3492
2217 local $/; 3493 local $/;
2218 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2219 3495
2220 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2221 3497
2222 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3498 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2223 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3499 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2227 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2228 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2229 }; 3505 };
2230 warn $@ if $@; 3506 warn $@ if $@;
2231 } 3507 }
3508
3509 warn "finished reloading resource files\n";
3510}
3511
3512sub pidfile() {
3513 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3514 or die "$PIDFILE: $!";
3515 flock $fh, &Fcntl::LOCK_EX
3516 or die "$PIDFILE: flock: $!";
3517 $fh
3518}
3519
3520# make sure only one server instance is running at any one time
3521sub atomic {
3522 my $fh = pidfile;
3523
3524 my $pid = <$fh>;
3525 kill 9, $pid if $pid > 0;
3526
3527 seek $fh, 0, 0;
3528 print $fh $$;
3529}
3530
3531sub main_loop {
3532 warn "EV::loop starting\n";
3533 if (1) {
3534 EV::loop;
3535 }
3536 warn "EV::loop returned\n";
3537 goto &main_loop unless $REALLY_UNLOOP;
2232} 3538}
2233 3539
2234sub main { 3540sub main {
3541 cf::init_globals; # initialise logging
3542
3543 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3544 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3545 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3546 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3547
3548 cf::init_experience;
3549 cf::init_anim;
3550 cf::init_attackmess;
3551 cf::init_dynamic;
3552
3553 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3554
2235 # we must not ever block the main coroutine 3555 # we must not ever block the main coroutine
2236 local $Coro::idle = sub { 3556 local $Coro::idle = sub {
2237 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3557 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2238 async { Event::one_event }; 3558 (async {
3559 $Coro::current->{desc} = "IDLE BUG HANDLER";
3560 EV::loop EV::LOOP_ONESHOT;
3561 })->prio (Coro::PRIO_MAX);
2239 }; 3562 };
2240 3563
2241 cfg_load; 3564 evthread_start IO::AIO::poll_fileno;
2242 db_load; 3565
3566 cf::sync_job {
3567 cf::load_settings;
3568 cf::load_materials;
3569
3570 reload_resources;
3571 reload_config;
3572 db_init;
3573
3574 cf::init_uuid;
3575 cf::init_signals;
3576 cf::init_skills;
3577
3578 cf::init_beforeplay;
3579
3580 atomic;
3581
2243 load_extensions; 3582 load_extensions;
2244 Event::loop; 3583
3584 utime time, time, $RUNTIMEFILE;
3585
3586 # no (long-running) fork's whatsoever before this point(!)
3587 use POSIX ();
3588 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3589
3590 (pop @POST_INIT)->(0) while @POST_INIT;
3591 };
3592
3593 main_loop;
2245} 3594}
2246 3595
2247############################################################################# 3596#############################################################################
2248# initialisation and cleanup 3597# initialisation and cleanup
2249 3598
2250# install some emergency cleanup handlers 3599# install some emergency cleanup handlers
2251BEGIN { 3600BEGIN {
3601 our %SIGWATCHER = ();
2252 for my $signal (qw(INT HUP TERM)) { 3602 for my $signal (qw(INT HUP TERM)) {
2253 Event->signal ( 3603 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2254 data => WF_AUTOCANCEL,
2255 signal => $signal,
2256 cb => sub {
2257 cf::cleanup "SIG$signal"; 3604 cf::cleanup "SIG$signal";
2258 },
2259 ); 3605 };
3606 }
3607}
3608
3609sub write_runtime_sync {
3610 my $t0 = AE::time;
3611
3612 # first touch the runtime file to show we are still running:
3613 # the fsync below can take a very very long time.
3614
3615 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3616
3617 my $guard = cf::lock_acquire "write_runtime";
3618
3619 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3620 or return;
3621
3622 my $value = $cf::RUNTIME + 90 + 10;
3623 # 10 is the runtime save interval, for a monotonic clock
3624 # 60 allows for the watchdog to kill the server.
3625
3626 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3627 and return;
3628
3629 # always fsync - this file is important
3630 aio_fsync $fh
3631 and return;
3632
3633 # touch it again to show we are up-to-date
3634 aio_utime $fh, undef, undef;
3635
3636 close $fh
3637 or return;
3638
3639 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3640 and return;
3641
3642 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3643
2260 } 3644 1
3645}
3646
3647our $uuid_lock;
3648our $uuid_skip;
3649
3650sub write_uuid_sync($) {
3651 $uuid_skip ||= $_[0];
3652
3653 return if $uuid_lock;
3654 local $uuid_lock = 1;
3655
3656 my $uuid = "$LOCALDIR/uuid";
3657
3658 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3659 or return;
3660
3661 my $value = uuid_seq uuid_cur;
3662
3663 unless ($value) {
3664 warn "cowardly refusing to write zero uuid value!\n";
3665 return;
3666 }
3667
3668 my $value = uuid_str $value + $uuid_skip;
3669 $uuid_skip = 0;
3670
3671 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3672 and return;
3673
3674 # always fsync - this file is important
3675 aio_fsync $fh
3676 and return;
3677
3678 close $fh
3679 or return;
3680
3681 aio_rename "$uuid~", $uuid
3682 and return;
3683
3684 warn "uuid file written ($value).\n";
3685
3686 1
3687
3688}
3689
3690sub write_uuid($$) {
3691 my ($skip, $sync) = @_;
3692
3693 $sync ? write_uuid_sync $skip
3694 : async { write_uuid_sync $skip };
2261} 3695}
2262 3696
2263sub emergency_save() { 3697sub emergency_save() {
2264 my $freeze_guard = cf::freeze_mainloop; 3698 my $freeze_guard = cf::freeze_mainloop;
2265 3699
2266 warn "enter emergency perl save\n"; 3700 warn "emergency_perl_save: enter\n";
2267 3701
2268 cf::sync_job { 3702 cf::sync_job {
3703 # this is a trade-off: we want to be very quick here, so
3704 # save all maps without fsync, and later call a global sync
3705 # (which in turn might be very very slow)
3706 local $USE_FSYNC = 0;
3707
2269 # use a peculiar iteration method to avoid tripping on perl 3708 # use a peculiar iteration method to avoid tripping on perl
2270 # refcount bugs in for. also avoids problems with players 3709 # refcount bugs in for. also avoids problems with players
2271 # and maps saved/destroyed asynchronously. 3710 # and maps saved/destroyed asynchronously.
2272 warn "begin emergency player save\n"; 3711 warn "emergency_perl_save: begin player save\n";
2273 for my $login (keys %cf::PLAYER) { 3712 for my $login (keys %cf::PLAYER) {
2274 my $pl = $cf::PLAYER{$login} or next; 3713 my $pl = $cf::PLAYER{$login} or next;
2275 $pl->valid or next; 3714 $pl->valid or next;
3715 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276 $pl->save; 3716 $pl->save;
2277 } 3717 }
2278 warn "end emergency player save\n"; 3718 warn "emergency_perl_save: end player save\n";
2279 3719
2280 warn "begin emergency map save\n"; 3720 warn "emergency_perl_save: begin map save\n";
2281 for my $path (keys %cf::MAP) { 3721 for my $path (keys %cf::MAP) {
2282 my $map = $cf::MAP{$path} or next; 3722 my $map = $cf::MAP{$path} or next;
2283 $map->valid or next; 3723 $map->valid or next;
2284 $map->save; 3724 $map->save;
2285 } 3725 }
2286 warn "end emergency map save\n"; 3726 warn "emergency_perl_save: end map save\n";
3727
3728 warn "emergency_perl_save: begin database checkpoint\n";
3729 BDB::db_env_txn_checkpoint $DB_ENV;
3730 warn "emergency_perl_save: end database checkpoint\n";
3731
3732 warn "emergency_perl_save: begin write uuid\n";
3733 write_uuid_sync 1;
3734 warn "emergency_perl_save: end write uuid\n";
2287 }; 3735 };
2288 3736
3737 warn "emergency_perl_save: starting sync()\n";
3738 IO::AIO::aio_sync sub {
3739 warn "emergency_perl_save: finished sync()\n";
3740 };
3741
2289 warn "leave emergency perl save\n"; 3742 warn "emergency_perl_save: leave\n";
2290} 3743}
2291 3744
3745sub post_cleanup {
3746 my ($make_core) = @_;
3747
3748 warn Carp::longmess "post_cleanup backtrace"
3749 if $make_core;
3750
3751 my $fh = pidfile;
3752 unlink $PIDFILE if <$fh> == $$;
3753}
3754
3755# a safer delete_package, copied from Symbol
3756sub clear_package($) {
3757 my $pkg = shift;
3758
3759 # expand to full symbol table name if needed
3760 unless ($pkg =~ /^main::.*::$/) {
3761 $pkg = "main$pkg" if $pkg =~ /^::/;
3762 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3763 $pkg .= '::' unless $pkg =~ /::$/;
3764 }
3765
3766 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3767 my $stem_symtab = *{$stem}{HASH};
3768
3769 defined $stem_symtab and exists $stem_symtab->{$leaf}
3770 or return;
3771
3772 # clear all symbols
3773 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3774 for my $name (keys %$leaf_symtab) {
3775 _gv_clear *{"$pkg$name"};
3776# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3777 }
3778 warn "cleared package $pkg\n";#d#
3779}
3780
2292sub reload() { 3781sub do_reload_perl() {
2293 # can/must only be called in main 3782 # can/must only be called in main
2294 if ($Coro::current != $Coro::main) { 3783 if ($Coro::current != $Coro::main) {
2295 warn "can only reload from main coroutine\n"; 3784 warn "can only reload from main coroutine";
2296 return; 3785 return;
2297 } 3786 }
2298 3787
3788 return if $RELOAD++;
3789
3790 my $t1 = AE::time;
3791
3792 while ($RELOAD) {
2299 warn "reloading..."; 3793 warn "reloading...";
2300 3794
2301 warn "freezing server"; 3795 warn "entering sync_job";
2302 my $guard = freeze_mainloop; 3796
3797 cf::sync_job {
3798 cf::write_runtime_sync; # external watchdog should not bark
2303 cf::emergency_save; 3799 cf::emergency_save;
3800 cf::write_runtime_sync; # external watchdog should not bark
2304 3801
2305 warn "sync database to disk"; 3802 warn "syncing database to disk";
2306 cf::db_sync; 3803 BDB::db_env_txn_checkpoint $DB_ENV;
2307 IO::AIO::flush;
2308 3804
2309 eval {
2310 # if anything goes wrong in here, we should simply crash as we already saved 3805 # if anything goes wrong in here, we should simply crash as we already saved
2311 3806
2312 warn "cancel all watchers"; 3807 warn "flushing outstanding aio requests";
2313 for (Event::all_watchers) { 3808 while (IO::AIO::nreqs || BDB::nreqs) {
2314 $_->cancel if $_->data & WF_AUTOCANCEL; 3809 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2315 }
2316
2317 warn "cancel all extension coros";
2318 $_->cancel for values %EXT_CORO;
2319 %EXT_CORO = ();
2320
2321 warn "remove commands";
2322 %COMMAND = ();
2323
2324 warn "remove ext commands";
2325 %EXTCMD = ();
2326
2327 warn "unload/nuke all extensions";
2328 for my $pkg (@EXTS) {
2329 warn "... unloading $pkg";
2330
2331 if (my $cb = $pkg->can ("unload")) {
2332 eval {
2333 $cb->($pkg);
2334 1
2335 } or warn "$pkg unloaded, but with errors: $@";
2336 } 3810 }
2337 3811
3812 warn "cancelling all extension coros";
3813 $_->cancel for values %EXT_CORO;
3814 %EXT_CORO = ();
3815
3816 warn "removing commands";
3817 %COMMAND = ();
3818
3819 warn "removing ext/exti commands";
3820 %EXTCMD = ();
3821 %EXTICMD = ();
3822
3823 warn "unloading/nuking all extensions";
3824 for my $pkg (@EXTS) {
2338 warn "... nuking $pkg"; 3825 warn "... unloading $pkg";
2339 Symbol::delete_package $pkg;
2340 }
2341 3826
2342 warn "unload all perl modules loaded from $LIBDIR";
2343 while (my ($k, $v) = each %INC) {
2344 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345
2346 warn "removing <$k>";
2347 delete $INC{$k};
2348
2349 $k =~ s/\.pm$//;
2350 $k =~ s/\//::/g;
2351
2352 if (my $cb = $k->can ("unload_module")) { 3827 if (my $cb = $pkg->can ("unload")) {
3828 eval {
2353 $cb->(); 3829 $cb->($pkg);
3830 1
3831 } or warn "$pkg unloaded, but with errors: $@";
3832 }
3833
3834 warn "... clearing $pkg";
3835 clear_package $pkg;
2354 } 3836 }
2355 3837
2356 Symbol::delete_package $k; 3838 warn "unloading all perl modules loaded from $LIBDIR";
3839 while (my ($k, $v) = each %INC) {
3840 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3841
3842 warn "... unloading $k";
3843 delete $INC{$k};
3844
3845 $k =~ s/\.pm$//;
3846 $k =~ s/\//::/g;
3847
3848 if (my $cb = $k->can ("unload_module")) {
3849 $cb->();
3850 }
3851
3852 clear_package $k;
2357 } 3853 }
2358 3854
2359 warn "get rid of safe::, as good as possible"; 3855 warn "getting rid of safe::, as good as possible";
2360 Symbol::delete_package "safe::$_" 3856 clear_package "safe::$_"
2361 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3857 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362 3858
2363 warn "unload cf.pm \"a bit\""; 3859 warn "unloading cf.pm \"a bit\"";
2364 delete $INC{"cf.pm"}; 3860 delete $INC{"cf.pm"};
3861 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2365 3862
2366 # don't, removes xs symbols, too, 3863 # don't, removes xs symbols, too,
2367 # and global variables created in xs 3864 # and global variables created in xs
2368 #Symbol::delete_package __PACKAGE__; 3865 #clear_package __PACKAGE__;
2369 3866
3867 warn "unload completed, starting to reload now";
3868
2370 warn "reloading cf.pm"; 3869 warn "reloading cf.pm";
2371 require cf; 3870 require cf;
2372 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3871 cf::_connect_to_perl_1;
2373 3872
2374 warn "load config and database again"; 3873 warn "loading config and database again";
2375 cf::cfg_load; 3874 cf::reload_config;
2376 cf::db_load;
2377 3875
2378 warn "load extensions"; 3876 warn "loading extensions";
2379 cf::load_extensions; 3877 cf::load_extensions;
2380 3878
3879 if ($REATTACH_ON_RELOAD) {
2381 warn "reattach attachments to objects/players"; 3880 warn "reattaching attachments to objects/players";
2382 _global_reattach; 3881 _global_reattach; # objects, sockets
2383 warn "reattach attachments to maps"; 3882 warn "reattaching attachments to maps";
2384 reattach $_ for values %MAP; 3883 reattach $_ for values %MAP;
3884 warn "reattaching attachments to players";
3885 reattach $_ for values %PLAYER;
3886 }
3887
3888 warn "running post_init jobs";
3889 (pop @POST_INIT)->(1) while @POST_INIT;
3890
3891 warn "leaving sync_job";
3892
3893 1
3894 } or do {
3895 warn $@;
3896 cf::cleanup "error while reloading, exiting.";
3897 };
3898
3899 warn "reloaded";
3900 --$RELOAD;
3901 }
3902
3903 $t1 = AE::time - $t1;
3904 warn "reload completed in ${t1}s\n";
3905};
3906
3907our $RELOAD_WATCHER; # used only during reload
3908
3909sub reload_perl() {
3910 # doing reload synchronously and two reloads happen back-to-back,
3911 # coro crashes during coro_state_free->destroy here.
3912
3913 $RELOAD_WATCHER ||= cf::async {
3914 Coro::AIO::aio_wait cache_extensions;
3915
3916 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3917 do_reload_perl;
3918 undef $RELOAD_WATCHER;
3919 };
2385 }; 3920 };
2386 3921}
2387 if ($@) {
2388 warn $@;
2389 warn "error while reloading, exiting.";
2390 exit 1;
2391 }
2392
2393 warn "reloaded";
2394};
2395 3922
2396register_command "reload" => sub { 3923register_command "reload" => sub {
2397 my ($who, $arg) = @_; 3924 my ($who, $arg) = @_;
2398 3925
2399 if ($who->flag (FLAG_WIZ)) { 3926 if ($who->flag (FLAG_WIZ)) {
2400 $who->message ("start of reload.");
2401 reload;
2402 $who->message ("end of reload."); 3927 $who->message ("reloading server.");
3928 async {
3929 $Coro::current->{desc} = "perl_reload";
3930 reload_perl;
3931 };
2403 } 3932 }
2404}; 3933};
2405 3934
2406unshift @INC, $LIBDIR; 3935unshift @INC, $LIBDIR;
2407 3936
2408$TICK_WATCHER = Event->timer ( 3937my $bug_warning = 0;
2409 reentrant => 0,
2410 prio => 0,
2411 at => $NEXT_TICK || $TICK,
2412 data => WF_AUTOCANCEL,
2413 cb => sub {
2414 $NOW = Event::time;
2415 3938
3939our @WAIT_FOR_TICK;
3940our @WAIT_FOR_TICK_BEGIN;
3941
3942sub wait_for_tick {
3943 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3944
3945 my $signal = new Coro::Signal;
3946 push @WAIT_FOR_TICK, $signal;
3947 $signal->wait;
3948}
3949
3950sub wait_for_tick_begin {
3951 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3952
3953 my $signal = new Coro::Signal;
3954 push @WAIT_FOR_TICK_BEGIN, $signal;
3955 $signal->wait;
3956}
3957
3958sub tick {
3959 if ($Coro::current != $Coro::main) {
3960 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3961 unless ++$bug_warning > 10;
3962 return;
3963 }
3964
2416 cf::server_tick; # one server iteration 3965 cf::server_tick; # one server iteration
2417 $RUNTIME += $TICK;
2418 $NEXT_TICK += $TICK;
2419 3966
2420 $WAIT_FOR_TICK->broadcast; 3967 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2421 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2422 3968
2423 # if we are delayed by four ticks or more, skip them all 3969 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2424 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3970 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2425 3971 Coro::async_pool {
2426 $TICK_WATCHER->at ($NEXT_TICK); 3972 $Coro::current->{desc} = "runtime saver";
2427 $TICK_WATCHER->start;
2428 },
2429);
2430
2431IO::AIO::max_poll_time $TICK * 0.2;
2432
2433$AIO_POLL_WATCHER = Event->io (
2434 fd => IO::AIO::poll_fileno,
2435 poll => 'r',
2436 prio => 5,
2437 data => WF_AUTOCANCEL,
2438 cb => \&IO::AIO::poll_cb,
2439);
2440
2441$WRITE_RUNTIME_WATCHER = Event->timer (
2442 data => WF_AUTOCANCEL,
2443 after => 0,
2444 interval => 10,
2445 cb => sub {
2446 (Coro::unblock_sub {
2447 write_runtime 3973 write_runtime_sync
2448 or warn "ERROR: unable to write runtime file: $!"; 3974 or warn "ERROR: unable to write runtime file: $!";
2449 })->(); 3975 };
2450 }, 3976 }
2451); 3977
3978 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3979 $sig->send;
3980 }
3981 while (my $sig = shift @WAIT_FOR_TICK) {
3982 $sig->send;
3983 }
3984
3985 $LOAD = ($NOW - $TICK_START) / $TICK;
3986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3987
3988 if (0) {
3989 if ($NEXT_TICK) {
3990 my $jitter = $TICK_START - $NEXT_TICK;
3991 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3992 warn "jitter $JITTER\n";#d#
3993 }
3994 }
3995}
3996
3997{
3998 # configure BDB
3999
4000 BDB::min_parallel 16;
4001 BDB::max_poll_reqs $TICK * 0.1;
4002 $AnyEvent::BDB::WATCHER->priority (1);
4003
4004 unless ($DB_ENV) {
4005 $DB_ENV = BDB::db_env_create;
4006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4007 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4008 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4009 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4010 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4011
4012 cf::sync_job {
4013 eval {
4014 BDB::db_env_open
4015 $DB_ENV,
4016 $BDBDIR,
4017 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4018 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4019 0666;
4020
4021 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4022 };
4023
4024 cf::cleanup "db_env_open(db): $@" if $@;
4025 };
4026 }
4027
4028 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4029 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4030 };
4031 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4032 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4033 };
4034 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4035 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4036 };
4037}
4038
4039{
4040 # configure IO::AIO
4041
4042 IO::AIO::min_parallel 8;
4043 IO::AIO::max_poll_time $TICK * 0.1;
4044 undef $AnyEvent::AIO::WATCHER;
4045}
4046
4047my $_log_backtrace;
4048
4049sub _log_backtrace {
4050 my ($msg, @addr) = @_;
4051
4052 $msg =~ s/\n//;
4053
4054 # limit the # of concurrent backtraces
4055 if ($_log_backtrace < 2) {
4056 ++$_log_backtrace;
4057 my $perl_bt = Carp::longmess $msg;
4058 async {
4059 $Coro::current->{desc} = "abt $msg";
4060
4061 my @bt = fork_call {
4062 @addr = map { sprintf "%x", $_ } @addr;
4063 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4064 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4065 or die "addr2line: $!";
4066
4067 my @funcs;
4068 my @res = <$fh>;
4069 chomp for @res;
4070 while (@res) {
4071 my ($func, $line) = splice @res, 0, 2, ();
4072 push @funcs, "[$func] $line";
4073 }
4074
4075 @funcs
4076 };
4077
4078 LOG llevInfo, "[ABT] $perl_bt\n";
4079 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4080 LOG llevInfo, "[ABT] $_\n" for @bt;
4081 --$_log_backtrace;
4082 };
4083 } else {
4084 LOG llevInfo, "[ABT] $msg\n";
4085 LOG llevInfo, "[ABT] [suppressed]\n";
4086 }
4087}
4088
4089# load additional modules
4090require "cf/$_.pm" for @EXTRA_MODULES;
4091cf::_connect_to_perl_2;
2452 4092
2453END { cf::emergency_save } 4093END { cf::emergency_save }
2454 4094
24551 40951
2456 4096

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