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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 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
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::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
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub 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
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
127		252
128	=back	253	=back
129		254
130	=cut	255	=cut
131		256
132	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	264	my $msg = join "", @_;
135	utf8::encode $msg;
136		265
137	$msg .= "\n"	266	$msg .= "\n"
138	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
139		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
140	LOG llevError, $msg;	271	LOG llevWarn, $msg;
141	};	272	};
142	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
143		287
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		295
151	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	297	# within the Safe compartment.
153	for my $pkg (qw(	298	for my $pkg (qw(
154	cf::global cf::attachable	299	cf::global cf::attachable
155	cf::object cf::object::player	300	cf::object cf::object::player
156	cf::client cf::player	301	cf::client cf::player
157	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
158	cf::map cf::party cf::region	304	cf::party cf::region
159	)) {	305	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	307	}
163		308
164	$Event::DIED = sub {	309	$EV::DIED = sub {
165	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
166	};	311	};
		312
		313	#############################################################################
167		314
168	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
169		316
170	=over 4	317	=over 4
171		318
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	338	$d
192	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
193	}	340	}
194		341
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
198		343
199	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
200		345
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
209		347
210	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
211		349
212	=cut	350	=cut
213		351
214	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
216	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
217	}	369	}
218		370
219	=item cf::lock_wait $string	371	=item cf::lock_wait $string
220		372
221	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
222		374
223	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
224		376
225	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
228	returned.	380	returned.
229		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
230	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
232		387
233	=cut	388	=item $locked = cf::lock_active $string
234		389
235	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
236		395
237	sub lock_wait($) {	396	sub lock_wait($) {
238	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	398	}
246		399
247	sub lock_acquire($) {	400	sub lock_acquire($) {
248	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
249		403
250	# wait, to be sure we are not locked	404	sub lock_active($) {
251	lock_wait $key;	405	$LOCKS->count ($_[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	}	406	}
260		407
261	sub freeze_mainloop {	408	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
263		410
264	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	412	}
266	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
267	};	478	}
268	$WRITE_RUNTIME_WATCHER->stop;	479	};
269	$TICK_WATCHER->stop;	480
270	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		584
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
352	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
353		589
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		591
358	aio_fsync $fh	592	sub fork_call(&@) {
359	and return;	593	my ($cb, @args) = @_;
360		594
361	close $fh	595	# we seemingly have to make a local copy of the whole thing,
362	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
363		598
364	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
365	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
366		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
367	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	781	}
369		782
370	=back	783	=back
371		784
372	=cut	785	=cut
373		786
374	#############################################################################	787	#############################################################################
375		788
376	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
377		790
378	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
381		794
382	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	797	Deliantra).
385		798
386	=over 4	799	=over 4
387		800
388	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
389		802
…		…
433	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
434		847
435	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
437		850
438	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
440		853
441	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
442		855
443	=over 4	856	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	916	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	917	our @CB_MAP = ();
505		918
506	my %attachment;	919	my %attachment;
507		920
		921	sub cf::attachable::thawer_merge {
		922	# simply override everything except _meta
		923	local $_[0]{_meta};
		924	%{$_[0]} = %{$_[1]};
		925	}
		926
508	sub _attach_cb($$$$) {	927	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	928	my ($registry, $event, $prio, $cb) = @_;
510		929
511	use sort 'stable';	930	use sort 'stable';
512		931
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
547		966
548	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		971
553	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	973	my $pkg = shift @arg;
555		974
556	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
561		980
562	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
563	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
564		983
565	} elsif (ref $type) {	984	} elsif (ref $type) {
566	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
567		986
568	} else {	987	} else {
569	shift @arg;	988	shift @arg;
570	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
571	}	990	}
572	}	991	}
573	}	992	}
574		993
575	sub _object_attach {	994	sub _object_attach {
…		…
585	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
586	}	1005	}
587		1006
588	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
589	} else {	1008	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
591	}	1010	}
592		1011
593	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
594	}	1013	}
595		1014
…		…
597	if (ref $_[0]) {	1016	if (ref $_[0]) {
598	_object_attach @_;	1017	_object_attach @_;
599	} else {	1018	} else {
600	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
601	}	1020	}
		1021	_recalc_want;
602	};	1022	};
603		1023
604	# all those should be optimised	1024	# all those should be optimised
605	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1030	reattach ($obj);
611	} else {	1031	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
613	}	1033	}
		1034	_recalc_want;
614	};	1035	};
615		1036
616	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
618		1039
…		…
633	";	1054	";
634	die if $@;	1055	die if $@;
635	}	1056	}
636		1057
637	our $override;	1058	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1060
640	sub override {	1061	sub override {
641	$override = 1;	1062	$override = 1;
642	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
643	}	1064	}
644		1065
645	sub do_invoke {	1066	sub do_invoke {
646	my $event = shift;	1067	my $event = shift;
647	my $callbacks = shift;	1068	my $callbacks = shift;
648		1069
649	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
650		1071
651	local $override;	1072	local $override;
652		1073
653	for (@$callbacks) {	1074	for (@$callbacks) {
654	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
655		1076
656	if ($@) {	1077	if ($@) {
657	warn "$@";
658	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
659	override;	1079	override;
660	}	1080	}
661		1081
662	return 1 if $override;	1082	return 1 if $override;
663	}	1083	}
664		1084
665	0	1085	0
666	}	1086	}
667		1087
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1089
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1091
672	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
673		1093
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1097
678	=back	1098	=back
679		1099
680	=cut	1100	=cut
681		1101
682	#############################################################################	1102	#############################################################################
683	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
684		1146
685	sub reattach {	1147	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1149	my ($obj) = @_;
		1150
		1151	# no longer needed after getting rid of delete_package?
		1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1153
689	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
690		1155
691	@$registry = ();	1156	@$registry = ();
692		1157
…		…
697	for (@$attach) {	1162	for (@$attach) {
698	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
699	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
700	}	1165	}
701	} else {	1166	} else {
702	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
703	}	1168	}
704	}	1169	}
705	}	1170	}
706		1171
707	cf::attachable->attach (	1172	cf::attachable->attach (
708	prio => -1000000,	1173	prio => -1000000,
709	on_instantiate => sub {	1174	on_instantiate => sub {
710	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
711		1176
712	$data = from_json $data;	1177	$data = decode_json $data;
713		1178
714	for (@$data) {	1179	for (@$data) {
715	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
716		1181
717	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1198	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
735		1200
736	sync_job {	1201	sync_job {
737	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
740		1207
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	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;
744	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
745	close $fh;	1215	aio_close $fh;
746		1216
747	if (@$objs) {	1217	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	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;	1224	aio_fsync $fh;
		1225	}
753	close $fh;	1226	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
755	}	1228	}
756	} else {	1229	} else {
757	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
758	}	1231	}
759		1232
760	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1237	} else {
762	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
763	}	1239	}
764	} else {	1240	} else {
765	aio_unlink $filename;	1241	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
767	}	1243	}
768	}	1244	};
769	}	1245	}
770		1246
771	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
773		1249
…		…
785	or return;	1261	or return;
786		1262
787	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
789	or return;	1265	or return;
		1266
790	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
791	}	1269	}
792		1270
		1271	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
795	return ($data, $av);	1276	($data, $av)
796	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
797		1284
798	#############################################################################	1285	#############################################################################
799	# command handling &c	1286	# command handling &c
800		1287
801	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1302	}
816		1303
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1305
819	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
820		1311
821	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
822	called.	1313	called.
823		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
824	=cut	1326	=cut
825		1327
826	sub register_extcmd {	1328	sub register_extcmd {
827	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
828		1330
829	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
830	}	1332	}
831		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
832	cf::player->attach (	1342	cf::player->attach (
833	on_command => sub {	1343	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
835		1345
836	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
837	or return;	1347	or return;
838		1348
…		…
843	cf::override;	1353	cf::override;
844	},	1354	},
845	on_extcmd => sub {	1355	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
847		1357
848	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1359
850	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
856	} else {	1375	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1377	}
859		1378
860	cf::override;	1379	cf::override;
861	},	1380	},
862	);	1381	);
863		1382
		1383	# "readahead" all extensions
864	sub load_extension {	1384	sub cache_extensions {
865	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
866		1386
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1390	}
892	die $@;
893	}	1391	};
894		1392
895	push @EXTS, $pkg;	1393	$grp
896	}	1394	}
897		1395
898	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
899	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1403	next unless -r $path;
901	eval {	1404
902	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
903	1	1468	}
904	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
905	}	1479	};
906	}	1480	}
907		1481
908	#############################################################################	1482	#############################################################################
909		1483
		1484	=back
		1485
910	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
911		1487
912	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
913		1489
914	=cut	1490	=cut
915		1491
916	package cf::player;	1492	package cf::player;
917		1493
…		…
919		1495
920	=head3 cf::player	1496	=head3 cf::player
921		1497
922	=over 4	1498	=over 4
923		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
924	=item cf::player::find $login	1514	=item cf::player::find $login
925		1515
926	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
927		1517
928	=cut	1518	=cut
929		1519
930	sub playerdir($) {	1520	sub playerdir($) {
931	cf::localdir	1521	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1523	}
937		1524
938	sub path($) {	1525	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1527
941	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
942	}	1529	}
943		1530
944	sub find_active($) {	1531	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
949		1536
950	sub exists($) {	1537	sub exists($) {
951	my ($login) = @_;	1538	my ($login) = @_;
952		1539
953	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1541	or !aio_stat path $login
955	}	1542	}
956		1543
957	sub find($) {	1544	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1546	my $login = $_[0];
960		1547
961	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
962		1549
963	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
965	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
967	}	1567	}
968	}	1568	}
969	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
970		1583
971	sub save($) {	1584	sub save($) {
972	my ($pl) = @_;	1585	my ($pl) = @_;
973		1586
974	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
980		1593
981	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
983		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
984	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
985	Coro::cede;	1603	cf::cede_to_tick;
986	}	1604	}
987		1605
988	sub new($) {	1606	sub new($) {
989	my ($login) = @_;	1607	my ($login) = @_;
990		1608
…		…
996	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
997		1615
998	$self	1616	$self
999	}	1617	}
1000		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1001	=item $pl->quit_character	1629	=item $pl->quit_character
1002		1630
1003	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1005		1633
1006	=cut	1634	=cut
1007		1635
1008	sub quit_character {	1636	sub quit_character {
1009	my ($pl) = @_;	1637	my ($pl) = @_;
1010		1638
		1639	my $name = $pl->ob->name;
		1640
1011	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1643
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1018		1649
1019	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1652	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1653	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1654	$pl->destroy;
		1655
		1656	my $prefix = qr<^~\Q$name\E/>;
		1657
		1658	# nuke player maps
		1659	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1660
1024	IO::AIO::aio_rmtree $temp;	1661	IO::AIO::aio_rmtree $temp;
		1662	}
		1663
		1664	=item $pl->kick
		1665
		1666	Kicks a player out of the game. This destroys the connection.
		1667
		1668	=cut
		1669
		1670	sub kick {
		1671	my ($pl, $kicker) = @_;
		1672
		1673	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1674	$pl->killer ("kicked");
		1675	$pl->ns->destroy;
1025	}	1676	}
1026		1677
1027	=item cf::player::list_logins	1678	=item cf::player::list_logins
1028		1679
1029	Returns am arrayref of all valid playernames in the system, can take a	1680	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1031		1682
1032	=cut	1683	=cut
1033		1684
1034	sub list_logins {	1685	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1687	or return [];
1037		1688
1038	my @logins;	1689	my @logins;
1039		1690
1040	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1044		1701
1045	utf8::decode $login;	1702	utf8::decode $login;
1046	push @logins, $login;	1703	push @logins, $login;
1047	}	1704	}
1048		1705
1049	\@logins	1706	\@logins
1050	}	1707	}
1051		1708
1052	=item $player->maps	1709	=item $player->maps
1053		1710
		1711	=item cf::player::maps $login
		1712
1054	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1055	player. May block.	1714	player. May block.
1056		1715
1057	=cut	1716	=cut
1058		1717
1059	sub maps($) {	1718	sub maps($) {
1060	my ($pl) = @_;	1719	my ($pl) = @_;
		1720
		1721	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1722
1062	my $files = aio_readdir playerdir $pl	1723	my $files = aio_readdir playerdir $pl
1063	or return;	1724	or return;
1064		1725
1065	my @paths;	1726	my @paths;
…		…
1067	for (@$files) {	1728	for (@$files) {
1068	utf8::decode $_;	1729	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1730	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1071		1732
1072	s/\.map$//;	1733	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1734	}
1075		1735
1076	\@paths	1736	\@paths
1077	}	1737	}
1078		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1080		1744
1081	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1082		1746
1083	=cut	1747	=cut
1084		1748
1085	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1087		1751
1088	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1753	}
1092		1754
1093	package cf;	1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
		1768
		1769	=over 4
		1770
		1771	=cut
		1772
		1773	package cf::region;
		1774
		1775	=item cf::region::find_by_path $path
		1776
		1777	Tries to decuce the likely region for a map knowing only its path.
		1778
		1779	=cut
		1780
		1781	sub find_by_path($) {
		1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
		1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
		1796	}
1094		1797
1095	=back	1798	=back
1096
1097		1799
1098	=head3 cf::map	1800	=head3 cf::map
1099		1801
1100	=over 4	1802	=over 4
1101		1803
…		…
1105		1807
1106	use Fcntl;	1808	use Fcntl;
1107	use Coro::AIO;	1809	use Coro::AIO;
1108		1810
1109	use overload	1811	use overload
1110	'""' => \&as_string;	1812	'""' => \&as_string,
		1813	fallback => 1;
1111		1814
1112	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1114		1817
1115	sub generate_random_map {	1818	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1822
1118	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1824	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1834	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1835	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1836	)
1132	}	1837	}
1133		1838
		1839	=item cf::map->register ($regex, $prio)
		1840
		1841	Register a handler for the map path matching the given regex at the
		1842	givne priority (higher is better, built-in handlers have priority 0, the
		1843	default).
		1844
		1845	=cut
		1846
1134	sub register {	1847	sub register {
1135	my (undef, $regex) = @_;	1848	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1849	my $pkg = caller;
1137		1850
1138	no strict;	1851	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1853
1141	$EXT_MAP{$pkg} = qr<$regex>;	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1855	}
1143		1856
1144	# also paths starting with '/'	1857	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1859
		1860	sub thawer_merge {
		1861	my ($self, $merge) = @_;
		1862
		1863	# we have to keep some variables in memory intact
		1864	local $self->{path};
		1865	local $self->{load_path};
		1866
		1867	$self->SUPER::thawer_merge ($merge);
		1868	}
1146		1869
1147	sub normalise {	1870	sub normalise {
1148	my ($path, $base) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
1149		1876
1150	# map plan:	1877	# map plan:
1151	#	1878	#
1152	# /! non-realised random map exit (special hack!)	1879	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1880	# {... are special paths that are not being touched
…		…
1181		1908
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1909	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1910
1184	$path = normalise $path, $base;	1911	$path = normalise $path, $base;
1185		1912
1186	for my $pkg (keys %EXT_MAP) {	1913	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1914	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1915	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1916	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1191	return $self;	1918	return $self;
1192	}	1919	}
1193	}	1920	}
1194		1921
1195	Carp::carp "unable to resolve path '$path'.";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1923	()
1197	}	1924	}
1198		1925
1199	sub init {	1926	sub init {
1200	my ($self) = @_;	1927	my ($self) = @_;
…		…
1215		1942
1216	# the original (read-only) location	1943	# the original (read-only) location
1217	sub load_path {	1944	sub load_path {
1218	my ($self) = @_;	1945	my ($self) = @_;
1219		1946
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1221	}	1948	}
1222		1949
1223	# the temporary/swap location	1950	# the temporary/swap location
1224	sub save_path {	1951	sub save_path {
1225	my ($self) = @_;	1952	my ($self) = @_;
1226		1953
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1229	}	1956	}
1230		1957
1231	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1232	sub uniq_path {	1959	sub uniq_path {
1233	my ($self) = @_;	1960	my ($self) = @_;
1234		1961
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1237	}	1964	}
1238		1965
1239	# and all this just because we cannot iterate over	1966	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1967	my ($self) = @_;
1243		1968
1244	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1246	}	1972	}
1247		1973
1248	sub unlink_save {	1974	sub unlink_save {
1249	my ($self) = @_;	1975	my ($self) = @_;
1250		1976
1251	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1980	}
1255		1981
1256	sub load_header_from($) {	1982	sub load_header_from($) {
1257	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1258		1984
1259	utf8::encode $path;	1985	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1261	or return;	1987	or return;
1262		1988
1263	$self->_load_header ($path)	1989	$self->_load_header ($f)
1264	or return;	1990	or return;
1265		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
		1994
1266	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1267		1996
1268	1	1997	1
1269	}	1998	}
1270		1999
1271	sub load_orig {	2000	sub load_header_orig {
1272	my ($self) = @_;	2001	my ($self) = @_;
1273		2002
1274	$self->load_header_from ($self->load_path)	2003	$self->load_header_from ($self->load_path)
1275	}	2004	}
1276		2005
1277	sub load_temp {	2006	sub load_header_temp {
1278	my ($self) = @_;	2007	my ($self) = @_;
1279		2008
1280	$self->load_header_from ($self->save_path)	2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
1281	}	2029	}
1282		2030
1283	sub load_header {	2031	sub load_header {
1284	my ($self) = @_;	2032	my ($self) = @_;
1285		2033
1286	if ($self->load_temp) {	2034	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2035	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2036	} else {
1293	$self->load_orig	2037	$self->load_header_orig
1294	or return;	2038	or return;
1295		2039	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2040	}
		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
1301		2047
1302	1	2048	1
1303	}	2049	}
1304		2050
1305	sub find;	2051	sub find;
1306	sub find {	2052	sub find {
1307	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1308		2054
1309	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1310		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2059
1313	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1316	or return;	2062	or return;
1317		2063
1318	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1319		2065
1320	$map->load_header	2066	$map->load_header
1321	or return;	2067	or return;
1322		2068
1323	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2070	# doing this can freeze the server in a sync job, obviously
		2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1324	$map->reset;	2074	$map->reset;
1325	undef $guard;
1326	$map = find $path	2075	return find $path;
1327	or return;
1328	}	2076	}
1329		2077
1330	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1331	}	2079	}
1332	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1333		2084
1334	sub load {	2085	sub load {
1335	my ($self) = @_;	2086	my ($self) = @_;
1336		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1337	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1339		2094
		2095	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2097
1342	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1343		2099
1344	$self->alloc;	2100	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1346	or return;	2108	or return;
1347		2109
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1349	if delete $self->{load_original};	2111	if delete $self->{load_original};
1350		2112
1351	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2114	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2117	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1356	}	2121	}
1357	}	2122	}
1358		2123
1359	Coro::cede;	2124	$f->resolve_delayed_derefs;
1360		2125
		2126	cf::cede_to_tick;
1361	# now do the right thing for maps	2127	# now do the right thing for maps
1362	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2130	unless $self->difficulty;
1372	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1373	$self->activate;	2138	$self->activate;
1374	}	2139	}
1375		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2145	}
1378		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2153	sub customise_for {
1380	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1381		2155
1382	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2157	if $self->per_player;
1384		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1385	$self	2162	$self
1386	}	2163	}
1387		2164
1388	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2166	sub load_neighbours {
1390	my ($map) = @_;	2167	my ($map) = @_;
1391		2168
1392	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1393		2170
1394	for (0 .. 3) {	2171	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1396	or next;	2173	or next;
1397	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1398	or next;	2175	or next;
1399	$neigh->load;	2176	$neigh->load;
1400		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2182	}
1404		2183
1405	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1407	or next;	2187	or next;
1408	$neigh->load;	2188	$neigh->load;
1409	}	2189	}
1410	}	2190	}
1411		2191
…		…
1416	}	2196	}
1417		2197
1418	sub do_load_sync {	2198	sub do_load_sync {
1419	my ($map) = @_;	2199	my ($map) = @_;
1420		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1421	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1422	}	2205	}
1423		2206
1424	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2208	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2209
1438	sub find_async {	2210	sub find_async {
1439	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1440		2212
1441	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1442		2214
1443	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2217	}
		2218
		2219	$MAP_PREFETCH{$path} |= $load;
		2220
		2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
		2224	while (%MAP_PREFETCH) {
		2225	while (my ($k, $v) = each %MAP_PREFETCH) {
		2226	if (my $map = find $k) {
		2227	$map->load if $v;
		2228	}
		2229
		2230	delete $MAP_PREFETCH{$k};
		2231	}
		2232	}
		2233	undef $MAP_PREFETCHER;
1445	}	2234	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2235	$MAP_PREFETCHER->prio (6);
1449		2236
1450	()	2237	()
1451	}	2238	}
1452		2239
		2240	# common code, used by both ->save and ->swapout
1453	sub save {	2241	sub _save {
1454	my ($self) = @_;	2242	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2243
1458	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1459		2245
1460	return unless $self->dirty;	2246	return unless $self->dirty;
1461		2247
…		…
1467	return if $self->{deny_save};	2253	return if $self->{deny_save};
1468		2254
1469	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1470		2256
1471	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1473	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1474		2263
1475	if ($uniq) {	2264	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2267	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2269	}
1481	}	2270	}
1482		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1483	sub swap_out {	2280	sub swap_out {
1484	my ($self) = @_;	2281	my ($self) = @_;
1485		2282
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1491	return if $self->players;	2287	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1495	$self->clear;	2298	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2299	}
1498		2300
1499	sub reset_at {	2301	sub reset_at {
1500	my ($self) = @_;	2302	my ($self) = @_;
1501		2303
1502	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1505		2306
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2309
…		…
1513	my ($self) = @_;	2314	my ($self) = @_;
1514		2315
1515	$self->reset_at <= $cf::RUNTIME	2316	$self->reset_at <= $cf::RUNTIME
1516	}	2317	}
1517		2318
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2319	sub reset {
1533	my ($self) = @_;	2320	my ($self) = @_;
1534		2321
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2323
1537	return if $self->players;	2324	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2325
1540	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
		2327
		2328	$self->in_memory (cf::MAP_SWAPPED);
		2329
		2330	# need to save uniques path
		2331	unless ($self->{deny_save}) {
		2332	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2333
		2334	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2335	if $uniq;
		2336	}
1541		2337
1542	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1543		2339
1544	$self->in_memory (cf::MAP_SWAPPED);	2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2342	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2343
1549	$self->unlink_save;	2344	$self->unlink_save;
1550	$self->destroy;	2345	$self->destroy;
1551	}	2346	}
1552		2347
1553	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1554		2349
1555	sub nuke {	2350	sub nuke {
1556	my ($self) = @_;	2351	my ($self) = @_;
1557		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
		2356	delete $cf::MAP{$self->path};
		2357
		2358	$self->unlink_save;
		2359
		2360	bless $self, "cf::map::wrap";
		2361	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2365
		2366	$cf::MAP{$self->path} = $self;
		2367	}
		2368
1561	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1562	}	2406	}
1563		2407
1564	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1565		2409
1566	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2411	instantiated unique items. May block.
1568		2412
1569	=cut	2413	=cut
1570		2414
1571	sub unique_maps() {	2415	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1573	or return;	2417	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2418	utf8::decode $_;
1579	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
		2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
		2424	]
		2425	}
1581		2426
		2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
1582	s/\.map$//;	2448	s/\.map$// or next;
1583	push @paths, $_;	2449	utf8::decode $_;
1584	}	2450	push @maps, "$dir/$_";
		2451	}
1585		2452
1586	\@paths	2453	push @dirs, map "$dir/$_", @$dirs;
1587	}	2454	}
1588		2455
1589	package cf;	2456	\@maps
		2457	}
1590		2458
1591	=back	2459	=back
1592		2460
1593	=head3 cf::object	2461	=head3 cf::object
1594		2462
…		…
1598		2466
1599	=over 4	2467	=over 4
1600		2468
1601	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1602		2470
1603	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1604		2473
1605	=cut	2474	=cut
1606		2475
1607	sub inv_recursive_;	2476	sub inv_recursive_;
1608	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1611		2480
1612	sub inv_recursive {	2481	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1614	}	2483	}
1615		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1616	package cf;	2513	package cf;
1617		2514
1618	=back	2515	=back
1619		2516
1620	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1629		2526
1630	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1631		2542
1632	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2544	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1637		2548
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2550
1640	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1642	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1645	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1646	}	2576	}
1647		2577
1648	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1649		2579
1650	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1663		2593
1664	=item $player_object->enter_link	2594	=item $player_object->enter_link
1665		2595
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2597
1668	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1670		2602
1671	Will never block.	2603	Will never block.
1672		2604
1673	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1674		2606
…		…
1682	=cut	2614	=cut
1683		2615
1684	sub link_map {	2616	sub link_map {
1685	unless ($LINK_MAP) {	2617	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2618	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2619	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2620	$LINK_MAP->load;
1689	}	2621	}
1690		2622
1691	$LINK_MAP	2623	$LINK_MAP
1692	}	2624	}
…		…
1694	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1695	my ($self) = @_;	2627	my ($self) = @_;
1696		2628
1697	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1698		2630
		2631	++$self->{_link_recursion};
		2632
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2634
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1703		2637
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2639	}
1706		2640
1707	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1709		2645
1710	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1711		2647
1712	unless ($map) {	2648	unless ($map) {
1713	# restore original map position	2649	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1726		2662
1727	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1730		2666
1731	$map->load;	2667	$map->load;
1732	$map->load_diag;	2668	$map->load_neighbours;
1733		2669
1734	return unless $self->contr->active;	2670	return unless $self->contr->active;
		2671
		2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2673	if ($self->enter_map ($map, $x, $y)) {
		2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2677	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}
1738
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},	2678	}
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2679
1753	# try to abort aborted map switching on player login :)	2680	}
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2681
1771	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1772		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1773	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1774		2696
1775	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2708
1778	$self->enter_link;	2709	$self->enter_link;
1779		2710
1780	(async {	2711	(async {
1781	my $map = cf::map::find $path;	2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
		2733	my $map = eval {
		2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
1783		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2739	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
1788		2742
		2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
		2749	}
		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1790	})->prio (1);	2757	})->prio (1);
1791	}	2758	}
1792		2759
1793	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1794		2761
…		…
1796		2763
1797	sub parse_random_map_params {	2764	sub parse_random_map_params {
1798	my ($spec) = @_;	2765	my ($spec) = @_;
1799		2766
1800	my $rmp = { # defaults	2767	my $rmp = { # defaults
1801	xsize => 10,	2768	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2769	ysize => (cf::rndm 15, 40),
		2770	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2771	#layout => string,
1803	};	2772	};
1804		2773
1805	for (split /\n/, $spec) {	2774	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2775	my ($k, $v) = split /\s+/, $_, 2;
1807		2776
…		…
1819	# that depends on the exit object	2788	# that depends on the exit object
1820		2789
1821	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
1822		2791
1823	if ($exit->map) {	2792	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2793	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1828	}	2799	}
1829		2800
1830	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1831		2802
1832	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
		2805	my $meta = "$RANDOMDIR/$md5.meta";
1834		2806
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
		2809	undef $fh;
		2810	aio_rename "$meta~", $meta;
1837		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1840	}	2818	}
1841	}	2819	}
1842		2820
1843	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1847		2825
1848	$self->enter_link;	2826	$self->enter_link;
1849		2827
1850	(async {	2828	(async {
1851	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1852	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
1853	prepare_random_map $exit	2838	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2839	if $exit->slaying eq "/!";
		2840	}
1855		2841
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
1858		2845
		2846	$self->goto ($map, $x, $y);
		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1859	1;	2852	1
1860	}) {	2853	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2858
1866	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1867	$self->leave_link;	2860	$self->leave_link;
1868	}	2861	}
1869	})->prio (1);	2862	})->prio (1);
1870	}	2863	}
1871		2864
…		…
1882		2875
1883	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1885		2878
1886	utf8::encode $text;	2879	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2881	}
1889		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
1890		3104
1891	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1892		3106
1893	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3110
1897	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3112	become reliable at some point in the future.
1899		3113
1900	=cut	3114	=cut
1901		3115
1902	sub cf::client::query {	3116	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3125	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3127
1914	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
1916	}	3132	}
1917		3133
1918	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
1919	on_reply => sub {	3140	on_reply => sub {
1920	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
1921		3142
1922	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
1923	# get handled first	3144	# get handled first
1924	my $queue = delete $ns->{query_queue}	3145	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3146	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3147
1927	(shift @$queue)->[1]->($msg);	3148	(shift @$queue)->[1]->($msg);
		3149	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3150
1929	push @{ $ns->{query_queue} }, @$queue;	3151	push @{ $ns->{query_queue} }, @$queue;
1930		3152
1931	if (@{ $ns->{query_queue} } == @$queue) {	3153	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3154	if (@$queue) {
…		…
1934	} else {	3156	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3158	}
1937	}	3159	}
1938	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
1939	);	3187	);
1940		3188
1941	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
1942		3190
1943	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3207
1960	$coro	3208	$coro
1961	}	3209	}
1962		3210
1963	cf::client->attach (	3211	cf::client->attach (
1964	on_destroy => sub {	3212	on_client_destroy => sub {
1965	my ($ns) = @_;	3213	my ($ns) = @_;
1966		3214
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3216	},
1969	);	3217	);
…		…
1984	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
1986		3234
1987	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
1988		3236
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
1990		3242
1991	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
1992		3244
1993	=pod	3245	=pod
1994		3246
1995	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
1996		3248
1997	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
1998	cf::object::player player	3254	cf::object::player
1999	cf::player peaceful	3255	player
2000	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2001		3262
2002	=cut	3263	=cut
2003		3264
2004	for (	3265	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2009	) {	3272	) {
2010	no strict 'refs';	3273	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2030		3293
2031	my $qcode = $code;	3294	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2034		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2035	local $_;	3301	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3302
2038	my $eval =	3303	my $eval =
2039	"do {\n"	3304	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3307	. $code
2043	. "\n}"	3308	. "\n}"
2044	;	3309	;
2045		3310
		3311	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2049		3320
2050	if ($@) {	3321	if ($@) {
2051	warn "$@";	3322	warn "$@",
2052	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2053	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2054	}	3325	}
2055		3326
2056	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2057	}	3328	}
2058		3329
…		…
2072	=cut	3343	=cut
2073		3344
2074	sub register_script_function {	3345	sub register_script_function {
2075	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2076		3347
2077	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2079	}	3350	}
2080		3351
2081	=back	3352	=back
2082		3353
2083	=cut	3354	=cut
2084		3355
2085	#############################################################################	3356	#############################################################################
		3357	# the server's init and main functions
2086		3358
2087	=head2 EXTENSION DATABASE SUPPORT	3359	sub load_facedata($) {
		3360	my ($path) = @_;
2088		3361
2089	Crossfire maintains a very simple database for extension use. It can	3362	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3363	# for this (global event?)
2091	excludes objects.	3364	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3365
2093	The parameter C<$family> should best start with the name of the extension	3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3367
2096	=over 4	3368	trace "loading facedata from $path\n";
2097		3369
2098	=item $hashref = cf::db_get $family	3370	my $facedata;
		3371	0 < aio_load $path, $facedata
		3372	or die "$path: $!";
2099		3373
2100	Return a hashref for use by the extension C<$family>, which can be	3374	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3375
2104	=item $value = cf::db_get $family => $key	3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3378
2106	Returns a single value from the database	3379	# patch in the exptable
2107		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3381	$facedata->{resource}{"res/exp_table"} = {
2109		3382	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3383	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3384	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3385	};
		3386	cf::cede_to_tick;
2159		3387
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3388	{
		3389	my $faces = $facedata->{faceinfo};
2164		3390
2165	sub db_get($;$) {	3391	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3393
2171	sub db_put($$;$) {	3394	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3398
2180	cf::global->attach (	3399	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3400	}
2185	);
2186	}
2187		3401
2188	#############################################################################	3402	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3403	next unless $info->{smooth};
2190		3404
2191	sub cfg_load {	3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
		3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
		3449	1
		3450	}
		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
		3522	sub reload_resources {
		3523	trace "reloading resource files...\n";
		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
		3528	reload_regions;
		3529	reload_treasures;
		3530
		3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3538	or return;
2194		3539
2195	local $/;	3540	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2197		3542
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2199		3544
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2202		3547
2203	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2205	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2206	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2207	};	3552	};
2208	warn $@ if $@;	3553	warn $@ if $@;
2209	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2210	}	3585	}
2211		3586
2212	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2213	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3600	(async {
		3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
		3603	})->prio (Coro::PRIO_MAX);
2217	};	3604	};
2218		3605
2219	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
		3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2221	load_extensions;	3629	load_extensions;
2222	Event::loop;	3630
		3631	utime time, time, $RUNTIMEFILE;
		3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2223	}	3644	}
2224		3645
2225	#############################################################################	3646	#############################################################################
2226	# initialisation and cleanup	3647	# initialisation and cleanup
2227		3648
2228	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2229	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2236	},
2237	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2238	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2239	}	3745	}
2240		3746
2241	sub emergency_save() {	3747	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2243		3749
2244	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2245		3751
2246	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2247	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3766	$pl->save;
2255	}	3767	}
2256	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2257		3769
2258	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3773	$map->valid or next;
2262	$map->save;	3774	$map->save;
2263	}	3775	}
2264	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
		3777
		3778	info "emergency_perl_save: begin database checkpoint\n";
		3779	BDB::db_env_txn_checkpoint $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2265	};	3785	};
2266		3786
2267	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
2268	}	3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
2269		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($make_core) = @_;
		3797
		3798	error Carp::longmess "post_cleanup backtrace"
		3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2270	sub reload() {	3830	sub do_reload_perl() {
2271	# can/must only be called in main	3831	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2273	warn "can only reload from main coroutine\n";	3833	error "can only reload from main coroutine";
2274	return;	3834	return;
2275	}	3835	}
2276		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2277	warn "reloading...";	3842	info "reloading...";
2278		3843
2279	warn "freezing server";	3844	trace "entering sync_job";
2280	my $guard = freeze_mainloop;	3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2282		3850
2283	warn "sync database to disk";	3851	trace "syncing database to disk";
2284	cf::db_sync;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3853
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2289		3855
2290	warn "cancel all watchers";	3856	trace "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3859	}
2315		3860
		3861	trace "cancelling all extension coros";
		3862	$_->cancel for values %EXT_CORO;
		3863	%EXT_CORO = ();
		3864
		3865	trace "removing commands";
		3866	%COMMAND = ();
		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3874	trace "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3875
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2331	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2332	}	3885	}
2333		3886
2334	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2335	}	3902	}
2336		3903
2337	warn "get rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3907
2341	warn "unload cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3911
2344	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3913	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2347		3915
		3916	info "unload completed, starting to reload now";
		3917
2348	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2349	require cf;	3919	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2351		3921
2352	warn "load config and database again";	3922	trace "loading config and database again";
2353	cf::cfg_load;	3923	cf::reload_config;
2354	cf::db_load;
2355		3924
2356	warn "load extensions";	3925	trace "loading extensions";
2357	cf::load_extensions;	3926	cf::load_extensions;
2358		3927
		3928	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2360	_global_reattach;	3930	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3931	trace "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
		3940	trace "leaving sync_job";
		3941
		3942	1
		3943	} or do {
		3944	error $@;
		3945	cf::cleanup "error while reloading, exiting.";
		3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2363	};	3969	};
2364		3970	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3971
2374	register_command "reload" => sub {	3972	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2376		3974
2377	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
		3979	reload_perl;
		3980	};
2381	}	3981	}
2382	};	3982	};
2383		3983
2384	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2385		3985
2386	$TICK_WATCHER = Event->timer (	3986	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3987
		3988	our @WAIT_FOR_TICK;
		3989	our @WAIT_FOR_TICK_BEGIN;
		3990
		3991	sub wait_for_tick {
		3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3993
		3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
		4008	if ($Coro::current != $Coro::main) {
		4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4010	unless ++$bug_warning > 10;
		4011	return;
		4012	}
		4013
2394	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		4015
2398	$WAIT_FOR_TICK->broadcast;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		4017
2401	# if we are delayed by four ticks or more, skip them all	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		4020	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	4021	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	4022	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2427	})->();	4024	};
2428	},	4025	}
2429	);	4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
		4045
		4046	{
		4047	# configure BDB
		4048
		4049	BDB::min_parallel 16;
		4050	BDB::max_poll_reqs $TICK * 0.1;
		4051	$AnyEvent::BDB::WATCHER->priority (1);
		4052
		4053	unless ($DB_ENV) {
		4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4060
		4061	(Coro::async { # async to keep sync_job from complaining
		4062	cf::sync_job {
		4063	eval {
		4064	BDB::db_env_open
		4065	$DB_ENV,
		4066	$BDBDIR,
		4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4069	0666;
		4070
		4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
		4073
		4074	cf::cleanup "db_env_open(db): $@" if $@;
		4075	};
		4076	})->join;
		4077	}
		4078
		4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
		4088	}
		4089
		4090	{
		4091	# configure IO::AIO
		4092
		4093	IO::AIO::min_parallel 8;
		4094	IO::AIO::max_poll_time $TICK * 0.1;
		4095	undef $AnyEvent::AIO::WATCHER;
		4096	}
		4097
		4098	my $_log_backtrace;
		4099
		4100	sub _log_backtrace {
		4101	my ($msg, @addr) = @_;
		4102
		4103	$msg =~ s/\n//;
		4104
		4105	# limit the # of concurrent backtraces
		4106	if ($_log_backtrace < 2) {
		4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
		4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
		4112	my @bt = fork_call {
		4113	@addr = map { sprintf "%x", $_ } @addr;
		4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4116	or die "addr2line: $!";
		4117
		4118	my @funcs;
		4119	my @res = <$fh>;
		4120	chomp for @res;
		4121	while (@res) {
		4122	my ($func, $line) = splice @res, 0, 2, ();
		4123	push @funcs, "[$func] $line";
		4124	}
		4125
		4126	@funcs
		4127	};
		4128
		4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4131	LOG llevInfo, "[ABT] $_\n" for @bt;
		4132	--$_log_backtrace;
		4133	};
		4134	} else {
		4135	LOG llevInfo, "[ABT] $msg\n";
		4136	LOG llevInfo, "[ABT] [suppressed]\n";
		4137	}
		4138	}
		4139
		4140	# load additional modules
		4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
2430		4143
2431	END { cf::emergency_save }	4144	END { cf::emergency_save }
2432		4145
2433	1	4146	1
2434		4147

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