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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
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 ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
294	=cut	518	=cut
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if (in_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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	783	}
369		784
370	=back	785	=back
371		786
372	=cut	787	=cut
373		788
374	#############################################################################	789	#############################################################################
375		790
376	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
377		792
378	Many objects in crossfire are so-called attachable objects. That means you can	793	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")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
381		796
382	In the following description, CLASS can be any of C<global>, C<object>	797	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	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	799	Deliantra).
385		800
386	=over 4	801	=over 4
387		802
388	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
389		804
…		…
433	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
434		849
435	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
437		852
438	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
440		855
441	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
442		857
443	=over 4	858	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	919	our @CB_MAP = ();
505		920
506	my %attachment;	921	my %attachment;
507		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
508	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
510		931
511	use sort 'stable';	932	use sort 'stable';
512		933
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
547		968
548	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		973
553	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	975	my $pkg = shift @arg;
555		976
556	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
561		982
562	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
563	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
564		985
565	} elsif (ref $type) {	986	} elsif (ref $type) {
566	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
567		988
568	} else {	989	} else {
569	shift @arg;	990	shift @arg;
570	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
571	}	992	}
572	}	993	}
573	}	994	}
574		995
575	sub _object_attach {	996	sub _object_attach {
…		…
585	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
586	}	1007	}
587		1008
588	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
589	} else {	1010	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
591	}	1012	}
592		1013
593	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
594	}	1015	}
595		1016
…		…
597	if (ref $_[0]) {	1018	if (ref $_[0]) {
598	_object_attach @_;	1019	_object_attach @_;
599	} else {	1020	} else {
600	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
601	}	1022	}
		1023	_recalc_want;
602	};	1024	};
603		1025
604	# all those should be optimised	1026	# all those should be optimised
605	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1032	reattach ($obj);
611	} else {	1033	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
613	}	1035	}
		1036	_recalc_want;
614	};	1037	};
615		1038
616	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
618		1041
…		…
633	";	1056	";
634	die if $@;	1057	die if $@;
635	}	1058	}
636		1059
637	our $override;	1060	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1062
640	sub override {	1063	sub override {
641	$override = 1;	1064	$override = 1;
642	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
643	}	1066	}
644		1067
645	sub do_invoke {	1068	sub do_invoke {
646	my $event = shift;	1069	my $event = shift;
647	my $callbacks = shift;	1070	my $callbacks = shift;
648		1071
649	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
650		1073
651	local $override;	1074	local $override;
652		1075
653	for (@$callbacks) {	1076	for (@$callbacks) {
654	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
655		1078
656	if ($@) {	1079	if ($@) {
657	warn "$@";
658	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
659	override;	1081	override;
660	}	1082	}
661		1083
662	return 1 if $override;	1084	return 1 if $override;
663	}	1085	}
664		1086
665	0	1087	0
666	}	1088	}
667		1089
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1091
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1093
672	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
673		1095
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	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	1097	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1099
678	=back	1100	=back
679		1101
680	=cut	1102	=cut
681		1103
682	#############################################################################	1104	#############################################################################
683	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
684		1148
685	sub reattach {	1149	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1151	my ($obj) = @_;
688		1152
		1153	# no longer needed after getting rid of delete_package?
689	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
690		1155
691	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
692		1157
693	@$registry = ();	1158	@$registry = ();
694		1159
…		…
699	for (@$attach) {	1164	for (@$attach) {
700	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
701	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
702	}	1167	}
703	} else {	1168	} else {
704	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
705	}	1170	}
706	}	1171	}
707	}	1172	}
708		1173
709	cf::attachable->attach (	1174	cf::attachable->attach (
710	prio => -1000000,	1175	prio => -1000000,
711	on_instantiate => sub {	1176	on_instantiate => sub {
712	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
713		1178
714	$data = from_json $data;	1179	$data = decode_json $data;
715		1180
716	for (@$data) {	1181	for (@$data) {
717	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
718		1183
719	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1200	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
737		1202
738	sync_job {	1203	sync_job {
739	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
742		1209
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;
746	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
747	close $fh;	1217	aio_close $fh;
748		1218
749	if (@$objs) {	1219	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;
754	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
755	close $fh;	1228	aio_close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
757	}	1230	}
758	} else {	1231	} else {
759	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
760	}	1233	}
761		1234
762	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
763	} else {	1239	} else {
764	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
765	}	1241	}
766	} else {	1242	} else {
767	aio_unlink $filename;	1243	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
769	}	1245	}
770	}	1246	};
771	}	1247	}
772		1248
773	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
775		1251
…		…
787	or return;	1263	or return;
788		1264
789	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
791	or return;	1267	or return;
		1268
792	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
793	}	1271	}
794		1272
		1273	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
797	return ($data, $av);	1278	($data, $av)
798	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
799		1286
800	#############################################################################	1287	#############################################################################
801	# command handling &c	1288	# command handling &c
802		1289
803	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1304	}
818		1305
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1307
821	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
822		1313
823	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
824	called.	1315	called.
825		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
826	=cut	1328	=cut
827		1329
828	sub register_extcmd {	1330	sub register_extcmd {
829	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
830		1332
831	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
832	}	1334	}
833		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
834	cf::player->attach (	1344	cf::player->attach (
835	on_command => sub {	1345	on_unknown_command => sub {
836	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
837		1347
838	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
839	or return;	1349	or return;
840		1350
…		…
845	cf::override;	1355	cf::override;
846	},	1356	},
847	on_extcmd => sub {	1357	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
849		1359
850	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1361
852	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
858	} else {	1377	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1379	}
861		1380
862	cf::override;	1381	cf::override;
863	},	1382	},
864	);	1383	);
865		1384
		1385	# "readahead" all extensions
866	sub load_extension {	1386	sub cache_extensions {
867	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
868		1388
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
870	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
871	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}	1392	}
894	die $@;
895	}	1393	};
896		1394
897	push @EXTS, $pkg;	1395	$grp
898	}	1396	}
899		1397
900	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
901	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1405	next unless -r $path;
903	eval {	1406
904	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
905	1	1471	}
906	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
907	}	1482	};
908	}	1483	}
909		1484
910	#############################################################################	1485	#############################################################################
911		1486
		1487	=back
		1488
912	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
913		1490
914	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
915		1492
916	=cut	1493	=cut
917		1494
918	package cf::player;	1495	package cf::player;
919		1496
…		…
921		1498
922	=head3 cf::player	1499	=head3 cf::player
923		1500
924	=over 4	1501	=over 4
925		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
926	=item cf::player::find $login	1517	=item cf::player::find $login
927		1518
928	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
929		1520
930	=cut	1521	=cut
931		1522
932	sub playerdir($) {	1523	sub playerdir($) {
933	cf::localdir	1524	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1526	}
939		1527
940	sub path($) {	1528	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1530
943	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
944	}	1532	}
945		1533
946	sub find_active($) {	1534	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
951		1539
952	sub exists($) {	1540	sub exists($) {
953	my ($login) = @_;	1541	my ($login) = @_;
954		1542
955	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1544	or !aio_stat path $login
957	}	1545	}
958		1546
959	sub find($) {	1547	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1549	my $login = $_[0];
962		1550
963	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
964		1552
965	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
967	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
969	}	1570	}
970	}	1571	}
971	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
972		1586
973	sub save($) {	1587	sub save($) {
974	my ($pl) = @_;	1588	my ($pl) = @_;
975		1589
976	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
981	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
982		1596
983	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
985		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
986	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
987	Coro::cede;	1606	cf::cede_to_tick;
988	}	1607	}
989		1608
990	sub new($) {	1609	sub new($) {
991	my ($login) = @_;	1610	my ($login) = @_;
992		1611
…		…
998	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
999		1618
1000	$self	1619	$self
1001	}	1620	}
1002		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1003	=item $pl->quit_character	1632	=item $pl->quit_character
1004		1633
1005	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1007		1636
1008	=cut	1637	=cut
1009		1638
1010	sub quit_character {	1639	sub quit_character {
1011	my ($pl) = @_;	1640	my ($pl) = @_;
1012		1641
		1642	my $name = $pl->ob->name;
		1643
1013	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1015		1646
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1019	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1020		1652
1021	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1026	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
		1665	}
		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
1027	}	1679	}
1028		1680
1029	=item cf::player::list_logins	1681	=item cf::player::list_logins
1030		1682
1031	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1033		1685
1034	=cut	1686	=cut
1035		1687
1036	sub list_logins {	1688	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1690	or return [];
1039		1691
1040	my @logins;	1692	my @logins;
1041		1693
1042	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1046		1704
1047	utf8::decode $login;	1705	utf8::decode $login;
1048	push @logins, $login;	1706	push @logins, $login;
1049	}	1707	}
1050		1708
1051	\@logins	1709	\@logins
1052	}	1710	}
1053		1711
1054	=item $player->maps	1712	=item $player->maps
1055		1713
		1714	=item cf::player::maps $login
		1715
1056	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1057	player. May block.	1717	player. May block.
1058		1718
1059	=cut	1719	=cut
1060		1720
1061	sub maps($) {	1721	sub maps($) {
1062	my ($pl) = @_;	1722	my ($pl) = @_;
		1723
		1724	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1725
1064	my $files = aio_readdir playerdir $pl	1726	my $files = aio_readdir playerdir $pl
1065	or return;	1727	or return;
1066		1728
1067	my @paths;	1729	my @paths;
…		…
1069	for (@$files) {	1731	for (@$files) {
1070	utf8::decode $_;	1732	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1733	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1073		1735
1074	s/\.map$//;	1736	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1737	}
1077		1738
1078	\@paths	1739	\@paths
1079	}	1740	}
1080		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1082		1747
1083	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1084		1749
1085	=cut	1750	=cut
1086		1751
1087	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1089		1754
1090	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1756	}
1094		1757
1095	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1096		1800
1097	=back	1801	=back
1098
1099		1802
1100	=head3 cf::map	1803	=head3 cf::map
1101		1804
1102	=over 4	1805	=over 4
1103		1806
…		…
1107		1810
1108	use Fcntl;	1811	use Fcntl;
1109	use Coro::AIO;	1812	use Coro::AIO;
1110		1813
1111	use overload	1814	use overload
1112	'""' => \&as_string;	1815	'""' => \&as_string,
		1816	fallback => 1;
1113		1817
1114	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1116		1820
1117	sub generate_random_map {	1821	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1825
1120	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1827	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1125	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1126	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1127	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1128	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1837	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1838	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1839	)
1134	}	1840	}
1135		1841
		1842	=item cf::map->register ($regex, $prio)
		1843
		1844	Register a handler for the map path matching the given regex at the
		1845	givne priority (higher is better, built-in handlers have priority 0, the
		1846	default).
		1847
		1848	=cut
		1849
1136	sub register {	1850	sub register {
1137	my (undef, $regex) = @_;	1851	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1852	my $pkg = caller;
1139		1853
1140	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1855
1143	$EXT_MAP{$pkg} = qr<$regex>;	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1857	}
1145		1858
1146	# also paths starting with '/'	1859	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1861
		1862	sub thawer_merge {
		1863	my ($self, $merge) = @_;
		1864
		1865	# we have to keep some variables in memory intact
		1866	local $self->{path};
		1867	local $self->{load_path};
		1868
		1869	$self->SUPER::thawer_merge ($merge);
		1870	}
1148		1871
1149	sub normalise {	1872	sub normalise {
1150	my ($path, $base) = @_;	1873	my ($path, $base) = @_;
		1874
		1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
1151		1878
1152	# map plan:	1879	# map plan:
1153	#	1880	#
1154	# /! non-realised random map exit (special hack!)	1881	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1882	# {... are special paths that are not being touched
…		…
1183		1910
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1911	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1912
1186	$path = normalise $path, $base;	1913	$path = normalise $path, $base;
1187		1914
1188	for my $pkg (keys %EXT_MAP) {	1915	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1916	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1917	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1918	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1193	return $self;	1920	return $self;
1194	}	1921	}
1195	}	1922	}
1196		1923
1197	Carp::carp "unable to resolve path '$path'.";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1925	()
1199	}	1926	}
1200		1927
1201	sub init {	1928	sub init {
1202	my ($self) = @_;	1929	my ($self) = @_;
…		…
1217		1944
1218	# the original (read-only) location	1945	# the original (read-only) location
1219	sub load_path {	1946	sub load_path {
1220	my ($self) = @_;	1947	my ($self) = @_;
1221		1948
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1223	}	1950	}
1224		1951
1225	# the temporary/swap location	1952	# the temporary/swap location
1226	sub save_path {	1953	sub save_path {
1227	my ($self) = @_;	1954	my ($self) = @_;
1228		1955
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1231	}	1958	}
1232		1959
1233	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1234	sub uniq_path {	1961	sub uniq_path {
1235	my ($self) = @_;	1962	my ($self) = @_;
1236		1963
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1239	}	1966	}
1240		1967
1241	# and all this just because we cannot iterate over	1968	sub decay_objects {
1242	# all maps in C++...
1243	sub change_all_map_light {
1244	my ($change) = @_;	1969	my ($self) = @_;
1245		1970
1246	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1247	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1248	}	1974	}
1249		1975
1250	sub unlink_save {	1976	sub unlink_save {
1251	my ($self) = @_;	1977	my ($self) = @_;
1252		1978
1253	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1982	}
1257		1983
1258	sub load_header_from($) {	1984	sub load_header_from($) {
1259	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1260		1986
1261	utf8::encode $path;	1987	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1263	or return;	1989	or return;
1264		1990
1265	$self->_load_header ($path)	1991	$self->_load_header ($f)
1266	or return;	1992	or return;
1267		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
		1996
1268	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1269		1998
1270	1	1999	1
1271	}	2000	}
1272		2001
1273	sub load_orig {	2002	sub load_header_orig {
1274	my ($self) = @_;	2003	my ($self) = @_;
1275		2004
1276	$self->load_header_from ($self->load_path)	2005	$self->load_header_from ($self->load_path)
1277	}	2006	}
1278		2007
1279	sub load_temp {	2008	sub load_header_temp {
1280	my ($self) = @_;	2009	my ($self) = @_;
1281		2010
1282	$self->load_header_from ($self->save_path)	2011	$self->load_header_from ($self->save_path)
		2012	}
		2013
		2014	sub prepare_temp {
		2015	my ($self) = @_;
		2016
		2017	$self->last_access ((delete $self->{last_access})
		2018	|| $cf::RUNTIME); #d#
		2019	# safety
		2020	$self->{instantiate_time} = $cf::RUNTIME
		2021	if $self->{instantiate_time} > $cf::RUNTIME;
		2022	}
		2023
		2024	sub prepare_orig {
		2025	my ($self) = @_;
		2026
		2027	$self->{load_original} = 1;
		2028	$self->{instantiate_time} = $cf::RUNTIME;
		2029	$self->last_access ($cf::RUNTIME);
		2030	$self->instantiate;
1283	}	2031	}
1284		2032
1285	sub load_header {	2033	sub load_header {
1286	my ($self) = @_;	2034	my ($self) = @_;
1287		2035
1288	if ($self->load_temp) {	2036	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	2037	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	2038	} else {
1295	$self->load_orig	2039	$self->load_header_orig
1296	or return;	2040	or return;
1297		2041	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	2042	}
		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
1303		2049
1304	1	2050	1
1305	}	2051	}
1306		2052
1307	sub find;	2053	sub find;
1308	sub find {	2054	sub find {
1309	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1310		2056
1311	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1312		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1314		2061
1315	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";
1317	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1318	or return;	2064	or return;
1319		2065
1320	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1321		2067
1322	$map->load_header	2068	$map->load_header
1323	or return;	2069	or return;
1324		2070
1325	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2072	# doing this can freeze the server in a sync job, obviously
		2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1326	$map->reset;	2076	$map->reset;
1327	undef $guard;
1328	$map = find $path	2077	return find $path;
1329	or return;
1330	}	2078	}
1331		2079
1332	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1333	}	2081	}
1334	}	2082	}
		2083
		2084	sub pre_load { }
		2085	#sub post_load { } # XS
1335		2086
1336	sub load {	2087	sub load {
1337	my ($self) = @_;	2088	my ($self) = @_;
1338		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1339	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1341		2096
		2097	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2099
1344	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1345		2101
1346	$self->alloc;	2102	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2103
		2104	$self->pre_load;
		2105	cf::cede_to_tick;
		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1348	or return;	2110	or return;
1349		2111
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1351	if delete $self->{load_original};	2113	if delete $self->{load_original};
1352		2114
1353	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2116	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2119	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1358	}	2123	}
1359	}	2124	}
1360		2125
1361	Coro::cede;	2126	$f->resolve_delayed_derefs;
1362		2127
		2128	cf::cede_to_tick;
1363	# now do the right thing for maps	2129	# now do the right thing for maps
1364	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2132	unless $self->difficulty;
1374	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1375	$self->activate;	2140	$self->activate;
1376	}	2141	}
1377		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1379	}	2147	}
1380		2148
		2149	$self->post_load;
		2150	}
		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1381	sub customise_for {	2155	sub customise_for {
1382	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1383		2157
1384	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2159	if $self->per_player;
1386		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1387	$self	2164	$self
1388	}	2165	}
1389		2166
1390	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2168	sub load_neighbours {
1392	my ($map) = @_;	2169	my ($map) = @_;
1393		2170
1394	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1395		2172
1396	for (0 .. 3) {	2173	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1398	or next;	2175	or next;
1399	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1400	or next;	2177	or next;
1401	$neigh->load;	2178	$neigh->load;
1402		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2184	}
1406		2185
1407	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1409	or next;	2189	or next;
1410	$neigh->load;	2190	$neigh->load;
1411	}	2191	}
1412	}	2192	}
1413		2193
1414	sub find_sync {	2194	sub find_sync {
1415	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1416		2196
1417	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1418	}	2201	}
1419		2202
1420	sub do_load_sync {	2203	sub do_load_sync {
1421	my ($map) = @_;	2204	my ($map) = @_;
1422		2205
1423	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1424	}	2210	}
1425		2211
1426	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2213	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2214
1440	sub find_async {	2215	sub find_async {
1441	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1442		2217
1443	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1444		2219
1445	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2222	}
		2223
		2224	$MAP_PREFETCH{$path} |= $load;
		2225
		2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
		2229	while (%MAP_PREFETCH) {
		2230	while (my ($k, $v) = each %MAP_PREFETCH) {
		2231	if (my $map = find $k) {
		2232	$map->load if $v;
		2233	}
		2234
		2235	delete $MAP_PREFETCH{$k};
		2236	}
		2237	}
		2238	undef $MAP_PREFETCHER;
1447	}	2239	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2240	$MAP_PREFETCHER->prio (6);
1451		2241
1452	()	2242	()
1453	}	2243	}
1454		2244
		2245	# common code, used by both ->save and ->swapout
1455	sub save {	2246	sub _save {
1456	my ($self) = @_;	2247	my ($self) = @_;
1457
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;
1459		2248
1460	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1461		2250
1462	return unless $self->dirty;	2251	return unless $self->dirty;
1463		2252
…		…
1469	return if $self->{deny_save};	2258	return if $self->{deny_save};
1470		2259
1471	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1472		2261
1473	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1475	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1476		2268
1477	if ($uniq) {	2269	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1480	} else {	2272	} else {
1481	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1482	}	2274	}
1483	}	2275	}
1484		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1485	sub swap_out {	2285	sub swap_out {
1486	my ($self) = @_;	2286	my ($self) = @_;
1487		2287
1488	# save first because save cedes
1489	$self->save;
1490
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1493	return if $self->players;	2292	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};
1496		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1497	$self->clear;	2303	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2304	}
1500		2305
1501	sub reset_at {	2306	sub reset_at {
1502	my ($self) = @_;	2307	my ($self) = @_;
1503		2308
1504	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1507		2311
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2314
…		…
1515	my ($self) = @_;	2319	my ($self) = @_;
1516		2320
1517	$self->reset_at <= $cf::RUNTIME	2321	$self->reset_at <= $cf::RUNTIME
1518	}	2322	}
1519		2323
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2324	sub reset {
1535	my ($self) = @_;	2325	my ($self) = @_;
1536		2326
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2328
1539	return if $self->players;	2329	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2330
1542	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1543		2342
1544	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1545		2344
1546	$self->in_memory (cf::MAP_SWAPPED);	2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2347	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2348
1551	$self->unlink_save;	2349	$self->unlink_save;
1552	$self->destroy;	2350	$self->destroy;
1553	}	2351	}
1554		2352
1555	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1556		2354
1557	sub nuke {	2355	sub nuke {
1558	my ($self) = @_;	2356	my ($self) = @_;
1559		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
		2361	delete $cf::MAP{$self->path};
		2362
		2363	$self->unlink_save;
		2364
		2365	bless $self, "cf::map::wrap";
		2366	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2370
		2371	$cf::MAP{$self->path} = $self;
		2372	}
		2373
1563	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1564	}	2411	}
1565		2412
1566	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1567		2414
1568	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2416	instantiated unique items. May block.
1570		2417
1571	=cut	2418	=cut
1572		2419
1573	sub unique_maps() {	2420	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1575	or return;	2422	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2423	utf8::decode $_;
1581	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1582	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
		2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
		2429	]
		2430	}
1583		2431
		2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
1584	s/\.map$//;	2453	s/\.map$// or next;
1585	push @paths, $_;	2454	utf8::decode $_;
1586	}	2455	push @maps, "$dir/$_";
		2456	}
1587		2457
1588	\@paths	2458	push @dirs, map "$dir/$_", @$dirs;
1589	}	2459	}
1590		2460
1591	package cf;	2461	\@maps
		2462	}
1592		2463
1593	=back	2464	=back
1594		2465
1595	=head3 cf::object	2466	=head3 cf::object
1596		2467
…		…
1600		2471
1601	=over 4	2472	=over 4
1602		2473
1603	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1604		2475
1605	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1606		2478
1607	=cut	2479	=cut
1608		2480
1609	sub inv_recursive_;	2481	sub inv_recursive_;
1610	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1613		2485
1614	sub inv_recursive {	2486	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1616	}	2488	}
1617		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1618	package cf;	2518	package cf;
1619		2519
1620	=back	2520	=back
1621		2521
1622	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1629	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1630	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1631		2531
1632	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1633		2547
1634	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1635	# with dialog boxes.	2549	# with dialog boxes.
1636	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1637	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1639		2553
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2555
1642	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1644	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1647	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1648	}	2581	}
1649		2582
1650	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1651		2584
1652	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1665		2598
1666	=item $player_object->enter_link	2599	=item $player_object->enter_link
1667		2600
1668	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1669		2602
1670	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1671	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1672		2607
1673	Will never block.	2608	Will never block.
1674		2609
1675	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1676		2611
…		…
1684	=cut	2619	=cut
1685		2620
1686	sub link_map {	2621	sub link_map {
1687	unless ($LINK_MAP) {	2622	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2623	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2625	$LINK_MAP->load;
1691	}	2626	}
1692		2627
1693	$LINK_MAP	2628	$LINK_MAP
1694	}	2629	}
…		…
1696	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1697	my ($self) = @_;	2632	my ($self) = @_;
1698		2633
1699	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1700		2635
		2636	++$self->{_link_recursion};
		2637
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2639
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1705		2642
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1707	}	2644	}
1708		2645
1709	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1711		2650
1712	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1713		2652
1714	unless ($map) {	2653	unless ($map) {
1715	# restore original map position	2654	# restore original map position
…		…
1726	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1727	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1728		2667
1729	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1732		2671
1733	$map->load;	2672	$map->load;
1734	$map->load_diag;	2673	$map->load_neighbours;
1735		2674
1736	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1737	$self->activate_recursive;	2682	$self->activate_recursive;
1738	$self->enter_map ($map, $x, $y);
1739	}
1740
1741	cf::player->attach (
1742	on_logout => sub {
1743	my ($pl) = @_;
1744
1745	# abort map switching before logout
1746	if ($pl->ob->{_link_pos}) {
1747	cf::sync_job {
1748	$pl->ob->leave_link
1749	};
1750	}
1751	},	2683	}
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2684
1755	# try to abort aborted map switching on player login :)	2685	}
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772		2686
1773	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1774		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1775	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1776		2701
1777	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2713
1780	$self->enter_link;	2714	$self->enter_link;
1781		2715
1782	(async {	2716	(async {
1783	my $map = cf::map::find $path;	2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1785		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1790		2747
		2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1792	})->prio (1);	2762	})->prio (1);
1793	}	2763	}
1794		2764
1795	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1796		2766
…		…
1798		2768
1799	sub parse_random_map_params {	2769	sub parse_random_map_params {
1800	my ($spec) = @_;	2770	my ($spec) = @_;
1801		2771
1802	my $rmp = { # defaults	2772	my $rmp = { # defaults
1803	xsize => 10,	2773	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2774	ysize => (cf::rndm 15, 40),
		2775	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2776	#layout => string,
1805	};	2777	};
1806		2778
1807	for (split /\n/, $spec) {	2779	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2780	my ($k, $v) = split /\s+/, $_, 2;
1809		2781
…		…
1821	# that depends on the exit object	2793	# that depends on the exit object
1822		2794
1823	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1824		2796
1825	if ($exit->map) {	2797	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1830	}	2804	}
1831		2805
1832	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1833		2807
1834	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1835	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
		2810	my $meta = "$RANDOMDIR/$md5.meta";
1836		2811
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
		2814	undef $fh;
		2815	aio_rename "$meta~", $meta;
1839		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1840	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1842	}	2823	}
1843	}	2824	}
1844		2825
1845	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1848	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1849		2830
1850	$self->enter_link;	2831	$self->enter_link;
1851		2832
1852	(async {	2833	(async {
1853	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1854	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
1855	prepare_random_map $exit	2843	prepare_random_map $exit
1856	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1857		2846
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1860		2850
		2851	$self->goto ($map, $x, $y);
		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1861	1;	2857	1
1862	}) {	2858	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1864	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2863
1868	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1869	$self->leave_link;	2865	$self->leave_link;
1870	}	2866	}
1871	})->prio (1);	2867	})->prio (1);
1872	}	2868	}
1873		2869
…		…
1884		2880
1885	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1887		2883
1888	utf8::encode $text;	2884	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2886	}
1891		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1892		3109
1893	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1894		3111
1895	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		3115
1899	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	3117	become reliable at some point in the future.
1901		3118
1902	=cut	3119	=cut
1903		3120
1904	sub cf::client::query {	3121	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	3130	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		3132
1916	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1918	}	3137	}
1919		3138
1920	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1921	on_reply => sub {	3145	on_reply => sub {
1922	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1923		3147
1924	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1925	# get handled first	3149	# get handled first
1926	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		3152
1929	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		3155
1931	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1932		3157
1933	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	3159	if (@$queue) {
…		…
1936	} else {	3161	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	3163	}
1939	}	3164	}
1940	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
1941	);	3192	);
1942		3193
1943	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1944		3195
1945	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
1961		3212
1962	$coro	3213	$coro
1963	}	3214	}
1964		3215
1965	cf::client->attach (	3216	cf::client->attach (
1966	on_destroy => sub {	3217	on_client_destroy => sub {
1967	my ($ns) = @_;	3218	my ($ns) = @_;
1968		3219
1969	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1970	},	3221	},
1971	);	3222	);
…		…
1986	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
1988		3239
1989	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
1990		3241
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
1992		3247
1993	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
1994		3249
1995	=pod	3250	=pod
1996		3251
1997	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
1998		3253
1999	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2000	cf::object::player player	3259	cf::object::player
2001	cf::player peaceful	3260	player
2002	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2003		3267
2004	=cut	3268	=cut
2005		3269
2006	for (	3270	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2008	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2010	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2011	) {	3277	) {
2012	no strict 'refs';
2013	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2014	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2015	for @funs;	3280	for @funs;
2016	}	3281	}
2017		3282
…		…
2032		3297
2033	my $qcode = $code;	3298	my $qcode = $code;
2034	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2035	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2036		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2037	local $_;	3305	local $_;
2038	local @safe::cf::_safe_eval_args = values %vars;
2039		3306
2040	my $eval =	3307	my $eval =
2041	"do {\n"	3308	"do {\n"
2042	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2043	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2044	. $code	3311	. $code
2045	. "\n}"	3312	. "\n}"
2046	;	3313	;
2047		3314
		3315	if ($CFG{safe_eval}) {
2048	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2049	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2050	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2051		3324
2052	if ($@) {	3325	if ($@) {
2053	warn "$@";	3326	warn "$@",
2054	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2055	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2056	}	3329	}
2057		3330
2058	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2059	}	3332	}
2060		3333
…		…
2074	=cut	3347	=cut
2075		3348
2076	sub register_script_function {	3349	sub register_script_function {
2077	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2078		3351
2079	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2080	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2081	}	3354	}
2082		3355
2083	=back	3356	=back
2084		3357
2085	=cut	3358	=cut
2086		3359
2087	#############################################################################	3360	#############################################################################
		3361	# the server's init and main functions
2088		3362
2089	=head2 EXTENSION DATABASE SUPPORT	3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
2090		3366
2091	Crossfire maintains a very simple database for extension use. It can	3367	if (in_main && !tick_inhibit) {
2092	currently store anything that can be serialised using Storable, which	3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2093	excludes objects.	3369	} else {
2094		3370	debug "loading perl module $mod\n";
2095	The parameter C<$family> should best start with the name of the extension
2096	using it, it should be unique.
2097
2098	=over 4
2099
2100	=item $hashref = cf::db_get $family
2101
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key
2107
2108	Returns a single value from the database
2109
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}	3371	}
2138		3372
2139	my $pid;	3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
2140		3378
2141	sub db_save() {	3379	$data = "#line 1 $dir/$mod\n$data";
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150		3380
2151	my $dirty;	3381	open my $fh, "<", \$data or die;
2152		3382
2153	sub db_sync() {	3383	return $fh;
2154	db_save if $dirty;
2155	undef $dirty;
2156	}	3384	}
2157		3385
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	3386	()
2159	db_sync;	3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
		3404
		3405	sub load_facedata($) {
		3406	my ($path) = @_;
		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
		3414	trace "loading facedata from $path\n";
		3415
		3416	my $facedata;
		3417	0 < aio_load $path, $facedata
		3418	or die "$path: $!";
		3419
		3420	$facedata = Coro::Storable::thaw $facedata;
		3421
		3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
2160	});	3431	};
		3432	cf::cede_to_tick;
2161		3433
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3434	{
		3435	my $faces = $facedata->{faceinfo};
2166		3436
2167	sub db_get($;$) {	3437	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3439
2173	sub db_put($$;$) {	3440	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2176	} else {	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3444
2182	cf::global->attach (	3445	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3446	}
2187	);
2188	}
2189		3447
2190	#############################################################################	3448	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3449	next unless $info->{smooth};
2192		3450
2193	sub cfg_load {	3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3584	or return;
2196		3585
2197	local $/;	3586	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2199		3588
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2201		3590
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2204		3593
2205	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2207	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2208	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2209	};	3598	};
2210	warn $@ if $@;	3599	warn $@ if $@;
2211	}	3600	}
		3601
		3602	trace "finished reloading resource files\n";
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2212	}	3631	}
2213		3632
2214	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2215	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3646	(async {
		3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
		3649	})->prio (Coro::PRIO_MAX);
2219	};	3650	};
2220		3651
2221	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2222	db_load;	3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
		3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2223	load_extensions;	3677	load_extensions;
2224	Event::loop;	3678
		3679	utime time, time, $RUNTIMEFILE;
		3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2225	}	3697	}
2226		3698
2227	#############################################################################	3699	#############################################################################
2228	# initialisation and cleanup	3700	# initialisation and cleanup
2229		3701
2230	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
2231	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
2238	},
2239	);	3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
2240	}	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
2241	}	3798	}
2242		3799
2243	sub emergency_save() {	3800	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
2245		3802
2246	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
2247		3809
2248	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
2249	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
2250	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
2251	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
2253	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3821	$pl->save;
2257	}	3822	}
2258	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
2259		3824
2260	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
2261	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
2262	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3830	$map->valid or next;
2264	$map->save;	3831	$map->save;
2265	}	3832	}
2266	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
		3838	BDB::db_env_txn_checkpoint $DB_ENV;
		3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
2267	};	3863	};
2268		3864
2269	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
2270	}	3866	}
2271		3867
		3868	sub post_cleanup {
		3869	my ($make_core) = @_;
		3870
		3871	IO::AIO::flush;
		3872
		3873	error Carp::longmess "post_cleanup backtrace"
		3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
		3903	}
		3904
2272	sub reload() {	3905	sub do_reload_perl() {
2273	# can/must only be called in main	3906	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2275	warn "can only reload from main coroutine\n";	3908	error "can only reload from main coroutine";
2276	return;	3909	return;
2277	}	3910	}
2278		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2279	warn "reloading...";	3917	info "reloading...";
2280		3918
2281	warn "freezing server";	3919	trace "entering sync_job";
2282	my $guard = freeze_mainloop;	3920
		3921	cf::sync_job {
2283	cf::emergency_save;	3922	cf::emergency_save;
2284		3923
2285	warn "sync database to disk";
2286	cf::db_sync;
2287	IO::AIO::flush;
2288
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved
2291
2292	warn "cancel all watchers";
2293	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}
2296
2297	warn "cancel all extension coros";	3924	trace "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3926	%EXT_CORO = ();
2300		3927
2301	warn "remove commands";	3928	trace "removing commands";
2302	%COMMAND = ();	3929	%COMMAND = ();
2303		3930
2304	warn "remove ext commands";	3931	trace "removing ext/exti commands";
2305	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2306		3934
2307	warn "unload/nuke all extensions";	3935	trace "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2310		3938
2311	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3940	eval {
2313	$cb->($pkg);	3941	$cb->($pkg);
2314	1	3942	1
2315	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2316	}	3948	}
2317		3949
2318	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;
2320	}
2321
2322	warn "unload all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3953
2326	warn "removing <$k>";	3954	trace "... unloading $k";
2327	delete $INC{$k};	3955	delete $INC{$k};
2328		3956
2329	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2331		3959
2332	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2333	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2334	}	3965	}
2335		3966
2336	Symbol::delete_package $k;
2337	}
2338
2339	warn "get rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3970
2343	warn "unload cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2345		3974
2346	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3976	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2349		3978
		3979	info "unload completed, starting to reload now";
		3980
2350	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2351	require cf;	3982	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2353		3984
2354	warn "load config and database again";	3985	trace "loading config and database again";
2355	cf::cfg_load;	3986	cf::reload_config;
2356	cf::db_load;
2357		3987
2358	warn "load extensions";	3988	trace "loading extensions";
2359	cf::load_extensions;	3989	cf::load_extensions;
2360		3990
		3991	if ($REATTACH_ON_RELOAD) {
2361	warn "reattach attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
2362	_global_reattach;	3993	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3994	trace "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
		3999
		4000	trace "running post_init jobs";
		4001	(pop @POST_INIT)->(1) while @POST_INIT;
		4002
		4003	trace "leaving sync_job";
		4004
		4005	1
		4006	} or do {
		4007	error $@;
		4008	cf::cleanup "error while reloading, exiting.";
		4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
		4013	}
		4014
		4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
		4017	};
		4018
		4019	our $RELOAD_WATCHER; # used only during reload
		4020
		4021	sub reload_perl() {
		4022	# doing reload synchronously and two reloads happen back-to-back,
		4023	# coro crashes during coro_state_free->destroy here.
		4024
		4025	$RELOAD_WATCHER ||= cf::async {
		4026	Coro::AIO::aio_wait cache_extensions;
		4027
		4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4029	do_reload_perl;
		4030	undef $RELOAD_WATCHER;
		4031	};
2365	};	4032	};
2366		4033	}
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372
2373	warn "reloaded";
2374	};
2375		4034
2376	register_command "reload" => sub {	4035	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2378		4037
2379	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	4039	$who->message ("reloading server.");
		4040	async {
		4041	$Coro::current->{desc} = "perl_reload";
		4042	reload_perl;
		4043	};
2383	}	4044	}
2384	};	4045	};
2385		4046
2386	unshift @INC, $LIBDIR;	4047	#############################################################################
2387		4048
2388	$TICK_WATCHER = Event->timer (	4049	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		4050
		4051	our @WAIT_FOR_TICK;
		4052	our @WAIT_FOR_TICK_BEGIN;
		4053
		4054	sub wait_for_tick {
		4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4056
		4057	my $signal = new Coro::Signal;
		4058	push @WAIT_FOR_TICK, $signal;
		4059	$signal->wait;
		4060	}
		4061
		4062	sub wait_for_tick_begin {
		4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4064
		4065	my $signal = new Coro::Signal;
		4066	push @WAIT_FOR_TICK_BEGIN, $signal;
		4067	$signal->wait;
		4068	}
		4069
		4070	sub tick {
		4071	if ($Coro::current != $Coro::main) {
		4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4073	unless ++$bug_warning > 10;
		4074	return;
		4075	}
		4076
2396	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		4078
2400	$WAIT_FOR_TICK->broadcast;	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2402		4080
2403	# if we are delayed by four ticks or more, skip them all	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2405		4083	Coro::async_pool {
2406	$TICK_WATCHER->at ($NEXT_TICK);	4084	$Coro::current->{desc} = "runtime saver";
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	4085	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	4086	or error "ERROR: unable to write runtime file: $!";
2429	})->();	4087	};
2430	},	4088	}
2431	);	4089
		4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4091	$sig->send;
		4092	}
		4093	while (my $sig = shift @WAIT_FOR_TICK) {
		4094	$sig->send;
		4095	}
		4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
		4105	}
		4106	}
		4107	}
		4108
		4109	{
		4110	# configure BDB
		4111
		4112	BDB::min_parallel 16;
		4113	BDB::max_poll_reqs $TICK * 0.1;
		4114	$AnyEvent::BDB::WATCHER->priority (1);
		4115
		4116	unless ($DB_ENV) {
		4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4123
		4124	cf::sync_job {
		4125	eval {
		4126	BDB::db_env_open
		4127	$DB_ENV,
		4128	$BDBDIR,
		4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4131	0666;
		4132
		4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4134	};
		4135
		4136	cf::cleanup "db_env_open(db): $@" if $@;
		4137	};
		4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
		4149	}
		4150
		4151	{
		4152	# configure IO::AIO
		4153
		4154	IO::AIO::min_parallel 8;
		4155	IO::AIO::max_poll_time $TICK * 0.1;
		4156	undef $AnyEvent::AIO::WATCHER;
		4157	}
		4158
		4159	my $_log_backtrace;
		4160
		4161	sub _log_backtrace {
		4162	my ($msg, @addr) = @_;
		4163
		4164	$msg =~ s/\n//;
		4165
		4166	# limit the # of concurrent backtraces
		4167	if ($_log_backtrace < 2) {
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [suppressed]\n";
		4198	}
		4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2432		4204
2433	END { cf::emergency_save }	4205	END { cf::emergency_save }
2434		4206
2435	1	4207	1
2436		4208

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