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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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 3.4 ();	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 + 90 + 10;	590	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		591
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
359	and return;	593	my ($cb, @args) = @_;
360		594
361	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
362	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
363		598
364	close $fh	599	my @res = Coro::Util::fork_eval {
365	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
366		603
367	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
368	and return;	605	}
369		606
		607	sub objinfo {
370	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 });
371	}	783	}
372		784
373	=back	785	=back
374		786
375	=cut	787	=cut
376		788
377	#############################################################################	789	#############################################################################
378		790
379	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
380		792
381	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
382	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")
383	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
384		796
385	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>
386	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
387	crossfire+).	799	Deliantra).
388		800
389	=over 4	801	=over 4
390		802
391	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
392		804
…		…
436	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
437		849
438	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
440		852
441	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		855
444	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
445		857
446	=over 4	858	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
556		968
557	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		973
562	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	975	my $pkg = shift @arg;
564		976
565	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
570		982
571	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		985
574	} elsif (ref $type) {	986	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
576		988
577	} else {	989	} else {
578	shift @arg;	990	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
580	}	992	}
581	}	993	}
582	}	994	}
583		995
584	sub _object_attach {	996	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
595	}	1007	}
596		1008
597	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
598	} else {	1010	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1012	}
601		1013
602	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
603	}	1015	}
604		1016
…		…
606	if (ref $_[0]) {	1018	if (ref $_[0]) {
607	_object_attach @_;	1019	_object_attach @_;
608	} else {	1020	} else {
609	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
610	}	1022	}
		1023	_recalc_want;
611	};	1024	};
612		1025
613	# all those should be optimised	1026	# all those should be optimised
614	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1032	reattach ($obj);
620	} else {	1033	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
622	}	1035	}
		1036	_recalc_want;
623	};	1037	};
624		1038
625	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
627		1041
…		…
642	";	1056	";
643	die if $@;	1057	die if $@;
644	}	1058	}
645		1059
646	our $override;	1060	our $override;
647	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?
648		1062
649	sub override {	1063	sub override {
650	$override = 1;	1064	$override = 1;
651	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
652	}	1066	}
653		1067
654	sub do_invoke {	1068	sub do_invoke {
655	my $event = shift;	1069	my $event = shift;
656	my $callbacks = shift;	1070	my $callbacks = shift;
657		1071
658	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
659		1073
660	local $override;	1074	local $override;
661		1075
662	for (@$callbacks) {	1076	for (@$callbacks) {
663	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
664		1078
665	if ($@) {	1079	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1081	override;
669	}	1082	}
670		1083
671	return 1 if $override;	1084	return 1 if $override;
672	}	1085	}
673		1086
674	0	1087	0
675	}	1088	}
676		1089
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1091
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1093
681	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
682		1095
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1099
687	=back	1100	=back
688		1101
689	=cut	1102	=cut
690		1103
691	#############################################################################	1104	#############################################################################
692	# 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, $ob2
		1147	}
693		1148
694	sub reattach {	1149	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1151	my ($obj) = @_;
697		1152
		1153	# no longer needed after getting rid of delete_package?
698	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
699		1155
700	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
701		1157
702	@$registry = ();	1158	@$registry = ();
703		1159
…		…
708	for (@$attach) {	1164	for (@$attach) {
709	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
711	}	1167	}
712	} else {	1168	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1170	}
715	}	1171	}
716	}	1172	}
717		1173
718	cf::attachable->attach (	1174	cf::attachable->attach (
719	prio => -1000000,	1175	prio => -1000000,
720	on_instantiate => sub {	1176	on_instantiate => sub {
721	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
722		1178
723	$data = from_json $data;	1179	$data = decode_json $data;
724		1180
725	for (@$data) {	1181	for (@$data) {
726	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
727		1183
728	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1200	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
746		1202
747	sync_job {	1203	sync_job {
748	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
751		1209
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
754	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;
755	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
756	close $fh;	1217	aio_close $fh;
757		1218
758	if (@$objs) {	1219	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	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;
763	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
764	close $fh;	1228	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
766	}	1230	}
767	} else {	1231	} else {
768	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
769	}	1233	}
770		1234
771	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1239	} else {
773	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
774	}	1241	}
775	} else {	1242	} else {
776	aio_unlink $filename;	1243	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
778	}	1245	}
779	}	1246	};
780	}	1247	}
781		1248
782	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
784		1251
…		…
796	or return;	1263	or return;
797		1264
798	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
800	or return;	1267	or return;
		1268
801	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
802	}	1271	}
803		1272
		1273	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
806	return ($data, $av);	1278	($data, $av)
807	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
808		1286
809	#############################################################################	1287	#############################################################################
810	# command handling &c	1288	# command handling &c
811		1289
812	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1304	}
827		1305
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1307
830	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.
831		1313
832	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
833	called.	1315	called.
834		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
835	=cut	1328	=cut
836		1329
837	sub register_extcmd {	1330	sub register_extcmd {
838	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
839		1332
840	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
841	}	1334	}
842		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
843	cf::player->attach (	1344	cf::player->attach (
844	on_command => sub {	1345	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
846		1347
847	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
848	or return;	1349	or return;
849		1350
…		…
854	cf::override;	1355	cf::override;
855	},	1356	},
856	on_extcmd => sub {	1357	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
858		1359
859	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1361
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
867	} else {	1377	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1379	}
870		1380
871	cf::override;	1381	cf::override;
872	},	1382	},
873	);	1383	);
874		1384
		1385	# "readahead" all extensions
875	sub load_extension {	1386	sub cache_extensions {
876	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
877		1388
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1392	}
903	die $@;
904	}	1393	};
905		1394
906	push @EXTS, $pkg;	1395	$grp
907	}	1396	}
908		1397
909	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
910	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1405	next unless -r $path;
912	eval {	1406
913	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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
914	1	1470	}
915	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
916	}	1481	};
917	}	1482	}
918		1483
919	#############################################################################	1484	#############################################################################
920		1485
		1486	=back
		1487
921	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
922		1489
923	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
924		1491
925	=cut	1492	=cut
926		1493
927	package cf::player;	1494	package cf::player;
928		1495
…		…
930		1497
931	=head3 cf::player	1498	=head3 cf::player
932		1499
933	=over 4	1500	=over 4
934		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
935	=item cf::player::find $login	1516	=item cf::player::find $login
936		1517
937	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
938		1519
939	=cut	1520	=cut
940		1521
941	sub playerdir($) {	1522	sub playerdir($) {
942	cf::localdir	1523	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1525	}
948		1526
949	sub path($) {	1527	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1529
952	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
953	}	1531	}
954		1532
955	sub find_active($) {	1533	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
960		1538
961	sub exists($) {	1539	sub exists($) {
962	my ($login) = @_;	1540	my ($login) = @_;
963		1541
964	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
966	}	1544	}
967		1545
968	sub find($) {	1546	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1548	my $login = $_[0];
971		1549
972	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
973		1551
974	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
976	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
978	}	1569	}
979	}	1570	}
980	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
981		1585
982	sub save($) {	1586	sub save($) {
983	my ($pl) = @_;	1587	my ($pl) = @_;
984		1588
985	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
991		1595
992	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
994		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
995	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
996	Coro::cede;	1605	cf::cede_to_tick;
997	}	1606	}
998		1607
999	sub new($) {	1608	sub new($) {
1000	my ($login) = @_;	1609	my ($login) = @_;
1001		1610
…		…
1007	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1008		1617
1009	$self	1618	$self
1010	}	1619	}
1011		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1012	=item $pl->quit_character	1631	=item $pl->quit_character
1013		1632
1014	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1016		1635
1017	=cut	1636	=cut
1018		1637
1019	sub quit_character {	1638	sub quit_character {
1020	my ($pl) = @_;	1639	my ($pl) = @_;
1021		1640
		1641	my $name = $pl->ob->name;
		1642
1022	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1645
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1029		1651
1030	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1035	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1036	}	1678	}
1037		1679
1038	=item cf::player::list_logins	1680	=item cf::player::list_logins
1039		1681
1040	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1042		1684
1043	=cut	1685	=cut
1044		1686
1045	sub list_logins {	1687	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1689	or return [];
1048		1690
1049	my @logins;	1691	my @logins;
1050		1692
1051	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1055		1703
1056	utf8::decode $login;	1704	utf8::decode $login;
1057	push @logins, $login;	1705	push @logins, $login;
1058	}	1706	}
1059		1707
1060	\@logins	1708	\@logins
1061	}	1709	}
1062		1710
1063	=item $player->maps	1711	=item $player->maps
1064		1712
		1713	=item cf::player::maps $login
		1714
1065	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1066	player. May block.	1716	player. May block.
1067		1717
1068	=cut	1718	=cut
1069		1719
1070	sub maps($) {	1720	sub maps($) {
1071	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1724
1073	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1074	or return;	1726	or return;
1075		1727
1076	my @paths;	1728	my @paths;
…		…
1078	for (@$files) {	1730	for (@$files) {
1079	utf8::decode $_;	1731	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1082		1734
1083	s/\.map$//;	1735	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1736	}
1086		1737
1087	\@paths	1738	\@paths
1088	}	1739	}
1089		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1091		1746
1092	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1093		1748
1094	=cut	1749	=cut
1095		1750
1096	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1098		1753
1099	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1755	}
1103		1756
1104	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1105		1799
1106	=back	1800	=back
1107
1108		1801
1109	=head3 cf::map	1802	=head3 cf::map
1110		1803
1111	=over 4	1804	=over 4
1112		1805
…		…
1124	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1126		1819
1127	sub generate_random_map {	1820	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1129	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1826	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1838	)
1143	}	1839	}
1144		1840
		1841	=item cf::map->register ($regex, $prio)
		1842
		1843	Register a handler for the map path matching the given regex at the
		1844	givne priority (higher is better, built-in handlers have priority 0, the
		1845	default).
		1846
		1847	=cut
		1848
1145	sub register {	1849	sub register {
1146	my (undef, $regex) = @_;	1850	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1851	my $pkg = caller;
1148		1852
1149	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1854
1152	$EXT_MAP{$pkg} = qr<$regex>;	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1856	}
1154		1857
1155	# also paths starting with '/'	1858	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1157		1860
1158	sub thawer_merge {	1861	sub thawer_merge {
1159	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1160		1863
1161	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1162	local $self->{path};	1865	local $self->{path};
1163	local $self->{load_path};	1866	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1867
1167	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1168	}	1869	}
1169		1870
1170	sub normalise {	1871	sub normalise {
1171	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
		1873
		1874	$path = "$path"; # make sure its a string
		1875
		1876	$path =~ s/\.map$//;
1172		1877
1173	# map plan:	1878	# map plan:
1174	#	1879	#
1175	# /! non-realised random map exit (special hack!)	1880	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1881	# {... are special paths that are not being touched
…		…
1204		1909
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1910	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1911
1207	$path = normalise $path, $base;	1912	$path = normalise $path, $base;
1208		1913
1209	for my $pkg (keys %EXT_MAP) {	1914	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1915	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1916	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1917	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1214	return $self;	1919	return $self;
1215	}	1920	}
1216	}	1921	}
1217		1922
1218	Carp::carp "unable to resolve path '$path'.";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1924	()
1220	}	1925	}
1221		1926
1222	sub init {	1927	sub init {
1223	my ($self) = @_;	1928	my ($self) = @_;
…		…
1238		1943
1239	# the original (read-only) location	1944	# the original (read-only) location
1240	sub load_path {	1945	sub load_path {
1241	my ($self) = @_;	1946	my ($self) = @_;
1242		1947
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1244	}	1949	}
1245		1950
1246	# the temporary/swap location	1951	# the temporary/swap location
1247	sub save_path {	1952	sub save_path {
1248	my ($self) = @_;	1953	my ($self) = @_;
1249		1954
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1252	}	1957	}
1253		1958
1254	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1255	sub uniq_path {	1960	sub uniq_path {
1256	my ($self) = @_;	1961	my ($self) = @_;
1257		1962
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1260	}	1965	}
1261		1966
1262	# and all this just because we cannot iterate over	1967	sub decay_objects {
1263	# all maps in C++...
1264	sub change_all_map_light {
1265	my ($change) = @_;	1968	my ($self) = @_;
1266		1969
1267	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1268	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1269	}	1973	}
1270		1974
1271	sub unlink_save {	1975	sub unlink_save {
1272	my ($self) = @_;	1976	my ($self) = @_;
1273		1977
…		…
1278		1982
1279	sub load_header_from($) {	1983	sub load_header_from($) {
1280	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1281		1985
1282	utf8::encode $path;	1986	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1284	or return;	1988	or return;
1285		1989
1286	$self->_load_header ($path)	1990	$self->_load_header ($f)
1287	or return;	1991	or return;
1288		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
		1995
1289	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1290		1997
1291	1	1998	1
1292	}	1999	}
1293		2000
1294	sub load_orig {	2001	sub load_header_orig {
1295	my ($self) = @_;	2002	my ($self) = @_;
1296		2003
1297	$self->load_header_from ($self->load_path)	2004	$self->load_header_from ($self->load_path)
1298	}	2005	}
1299		2006
1300	sub load_temp {	2007	sub load_header_temp {
1301	my ($self) = @_;	2008	my ($self) = @_;
1302		2009
1303	$self->load_header_from ($self->save_path)	2010	$self->load_header_from ($self->save_path)
		2011	}
		2012
		2013	sub prepare_temp {
		2014	my ($self) = @_;
		2015
		2016	$self->last_access ((delete $self->{last_access})
		2017	|| $cf::RUNTIME); #d#
		2018	# safety
		2019	$self->{instantiate_time} = $cf::RUNTIME
		2020	if $self->{instantiate_time} > $cf::RUNTIME;
		2021	}
		2022
		2023	sub prepare_orig {
		2024	my ($self) = @_;
		2025
		2026	$self->{load_original} = 1;
		2027	$self->{instantiate_time} = $cf::RUNTIME;
		2028	$self->last_access ($cf::RUNTIME);
		2029	$self->instantiate;
1304	}	2030	}
1305		2031
1306	sub load_header {	2032	sub load_header {
1307	my ($self) = @_;	2033	my ($self) = @_;
1308		2034
1309	if ($self->load_temp) {	2035	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	2036	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	2037	} else {
1316	$self->load_orig	2038	$self->load_header_orig
1317	or return;	2039	or return;
1318		2040	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	2041	}
		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
1324		2048
1325	1	2049	1
1326	}	2050	}
1327		2051
1328	sub find;	2052	sub find;
1329	sub find {	2053	sub find {
1330	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1331		2055
1332	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1333		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1335		2060
1336	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";
1338	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1339	or return;	2063	or return;
1340		2064
1341	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1342		2066
1343	$map->load_header	2067	$map->load_header
1344	or return;	2068	or return;
1345		2069
1346	if ($map->should_reset) {	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1349	$map->reset;	2075	$map->reset;
1350	undef $guard;
1351	$map = find $path	2076	return find $path;
1352	or return;
1353	}	2077	}
1354		2078
1355	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1356	}	2080	}
1357	}	2081	}
		2082
		2083	sub pre_load { }
		2084	#sub post_load { } # XS
1358		2085
1359	sub load {	2086	sub load {
1360	my ($self) = @_;	2087	my ($self) = @_;
1361		2088
		2089	local $self->{deny_reset} = 1; # loading can take a long time
		2090
1362	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1364		2095
		2096	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2098
1367	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1368		2100
1369	$self->alloc;	2101	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2102
		2103	$self->pre_load;
		2104	cf::cede_to_tick;
		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1371	or return;	2109	or return;
1372		2110
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1374	if delete $self->{load_original};	2112	if delete $self->{load_original};
1375		2113
1376	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2115	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2118	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1381	}	2122	}
1382	}	2123	}
1383		2124
1384	Coro::cede;	2125	$f->resolve_delayed_derefs;
1385		2126
		2127	cf::cede_to_tick;
1386	# now do the right thing for maps	2128	# now do the right thing for maps
1387	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2131	unless $self->difficulty;
1397	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1398	$self->activate;	2139	$self->activate;
1399	}	2140	}
1400		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1402	}	2146	}
1403		2147
		2148	$self->post_load;
		2149	}
		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1404	sub customise_for {	2154	sub customise_for {
1405	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1406		2156
1407	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2158	if $self->per_player;
1409		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1410	$self	2163	$self
1411	}	2164	}
1412		2165
1413	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2167	sub load_neighbours {
1415	my ($map) = @_;	2168	my ($map) = @_;
1416		2169
1417	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1418		2171
1419	for (0 .. 3) {	2172	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1421	or next;	2174	or next;
1422	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1423	or next;	2176	or next;
1424	$neigh->load;	2177	$neigh->load;
1425		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2183	}
1429		2184
1430	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1432	or next;	2188	or next;
1433	$neigh->load;	2189	$neigh->load;
1434	}	2190	}
1435	}	2191	}
1436		2192
1437	sub find_sync {	2193	sub find_sync {
1438	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1439		2195
1440	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1441	}	2200	}
1442		2201
1443	sub do_load_sync {	2202	sub do_load_sync {
1444	my ($map) = @_;	2203	my ($map) = @_;
1445		2204
1446	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1447	}	2209	}
1448		2210
1449	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1451		2213
1452	sub find_async {	2214	sub find_async {
1453	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1454		2216
1455	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1456		2218
1457	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2221	}
1460		2222
1461	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1462	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1463	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2230	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2231	$map->load if $v;
		2232	}
1468		2233
1469	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1470	}	2235	}
1471	}	2236	}
1472	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1473	};	2238	};
		2239	$MAP_PREFETCHER->prio (6);
1474		2240
1475	()	2241	()
1476	}	2242	}
1477		2243
		2244	# common code, used by both ->save and ->swapout
1478	sub save {	2245	sub _save {
1479	my ($self) = @_;	2246	my ($self) = @_;
1480
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1482		2247
1483	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1484		2249
1485	return unless $self->dirty;	2250	return unless $self->dirty;
1486		2251
…		…
1492	return if $self->{deny_save};	2257	return if $self->{deny_save};
1493		2258
1494	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1495		2260
1496	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1498	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1499		2267
1500	if ($uniq) {	2268	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2271	} else {
1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1505	}	2273	}
1506	}	2274	}
1507		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1508	sub swap_out {	2284	sub swap_out {
1509	my ($self) = @_;	2285	my ($self) = @_;
1510		2286
1511	# save first because save cedes
1512	$self->save;
1513
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1516	return if $self->players;	2291	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};
1519		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1520	$self->clear;	2302	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2303	}
1523		2304
1524	sub reset_at {	2305	sub reset_at {
1525	my ($self) = @_;	2306	my ($self) = @_;
1526		2307
1527	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1530		2310
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2313
…		…
1544	my ($self) = @_;	2324	my ($self) = @_;
1545		2325
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2327
1548	return if $self->players;	2328	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2329
1551	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
		2331
		2332	$self->in_memory (cf::MAP_SWAPPED);
		2333
		2334	# need to save uniques path
		2335	unless ($self->{deny_save}) {
		2336	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2337
		2338	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2339	if $uniq;
		2340	}
1552		2341
1553	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1554		2343
1555	$self->in_memory (cf::MAP_SWAPPED);	2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2346	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2347
1560	$self->unlink_save;	2348	$self->unlink_save;
1561	$self->destroy;	2349	$self->destroy;
1562	}	2350	}
1563		2351
1564	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1565		2353
1566	sub nuke {	2354	sub nuke {
1567	my ($self) = @_;	2355	my ($self) = @_;
1568		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1569	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1570		2361
1571	$self->unlink_save;	2362	$self->unlink_save;
1572		2363
1573	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1574	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2369
1579	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1580		2372
1581	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1582	}	2410	}
1583		2411
1584	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1585		2413
1586	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2415	instantiated unique items. May block.
1588		2416
1589	=cut	2417	=cut
1590		2418
1591	sub unique_maps() {	2419	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1593	or return;	2421	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2422	utf8::decode $_;
1599	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2425	? ()
		2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
		2428	]
		2429	}
1601		2430
		2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
1602	s/\.map$//;	2452	s/\.map$// or next;
1603	push @paths, $_;	2453	utf8::decode $_;
1604	}	2454	push @maps, "$dir/$_";
		2455	}
1605		2456
1606	\@paths	2457	push @dirs, map "$dir/$_", @$dirs;
1607	}	2458	}
1608		2459
1609	package cf;	2460	\@maps
		2461	}
1610		2462
1611	=back	2463	=back
1612		2464
1613	=head3 cf::object	2465	=head3 cf::object
1614		2466
…		…
1618		2470
1619	=over 4	2471	=over 4
1620		2472
1621	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1622		2474
1623	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1624		2477
1625	=cut	2478	=cut
1626		2479
1627	sub inv_recursive_;	2480	sub inv_recursive_;
1628	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1631		2484
1632	sub inv_recursive {	2485	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1634	}	2487	}
1635		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1636	package cf;	2517	package cf;
1637		2518
1638	=back	2519	=back
1639		2520
1640	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1649		2530
1650	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1651		2546
1652	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2548	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1657		2552
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2554
1660	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1662	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1665	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1666	}	2580	}
1667		2581
1668	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1669		2583
1670	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1683		2597
1684	=item $player_object->enter_link	2598	=item $player_object->enter_link
1685		2599
1686	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1687		2601
1688	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1689	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1690		2606
1691	Will never block.	2607	Will never block.
1692		2608
1693	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1694		2610
…		…
1702	=cut	2618	=cut
1703		2619
1704	sub link_map {	2620	sub link_map {
1705	unless ($LINK_MAP) {	2621	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2622	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2623	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2624	$LINK_MAP->load;
1709	}	2625	}
1710		2626
1711	$LINK_MAP	2627	$LINK_MAP
1712	}	2628	}
…		…
1714	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1715	my ($self) = @_;	2631	my ($self) = @_;
1716		2632
1717	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1718		2634
		2635	++$self->{_link_recursion};
		2636
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2638
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1723		2641
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1725	}	2643	}
1726		2644
1727	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1729		2649
1730	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1731		2651
1732	unless ($map) {	2652	unless ($map) {
1733	# restore original map position	2653	# restore original map position
…		…
1744	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1745	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1746		2666
1747	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1750		2670
1751	$map->load;	2671	$map->load;
1752	$map->load_diag;	2672	$map->load_neighbours;
1753		2673
1754	return unless $self->contr->active;	2674	return unless $self->contr->active;
		2675
		2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2677	if ($self->enter_map ($map, $x, $y)) {
		2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
1755	$self->activate_recursive;	2681	$self->activate_recursive;
1756	$self->enter_map ($map, $x, $y);
1757	}
1758
1759	cf::player->attach (
1760	on_logout => sub {
1761	my ($pl) = @_;
1762
1763	# abort map switching before logout
1764	if ($pl->ob->{_link_pos}) {
1765	cf::sync_job {
1766	$pl->ob->leave_link
1767	};
1768	}
1769	},	2682	}
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2683
1773	# try to abort aborted map switching on player login :)	2684	}
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790		2685
1791	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1792		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1793	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1794		2700
1795	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2712
1798	$self->enter_link;	2713	$self->enter_link;
1799		2714
1800	(async {	2715	(async {
1801	my $map = cf::map::find $path;	2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
		2737	my $map = eval {
		2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
1803		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2743	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
1808		2746
		2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
		2753	}
		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1810	})->prio (1);	2761	})->prio (1);
1811	}	2762	}
1812		2763
1813	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1814		2765
…		…
1834	}	2785	}
1835		2786
1836	sub prepare_random_map {	2787	sub prepare_random_map {
1837	my ($exit) = @_;	2788	my ($exit) = @_;
1838		2789
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2792	# that depends on the exit object
1844		2793
1845	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
1846		2795
1847	if ($exit->map) {	2796	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2797	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1852	}	2803	}
1853		2804
1854	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1855		2806
1856	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1859		2810
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2813	undef $fh;
1863	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1864		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1867	}	2822	}
1868	}	2823	}
1869		2824
1870	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
1874		2829
1875	$self->enter_link;	2830	$self->enter_link;
1876		2831
1877	(async {	2832	(async {
1878	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
1879	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
1880	prepare_random_map $exit	2842	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2843	if $exit->slaying eq "/!";
		2844	}
1882		2845
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
1885		2849
		2850	$self->goto ($map, $x, $y);
		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
1886	1;	2856	1
1887	}) {	2857	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
1889	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2862
1893	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
1894	$self->leave_link;	2864	$self->leave_link;
1895	}	2865	}
1896	})->prio (1);	2866	})->prio (1);
1897	}	2867	}
1898		2868
…		…
1909		2879
1910	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
1912		2882
1913	utf8::encode $text;	2883	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2885	}
1916		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
		3074	=item $client->ext_msg ($type, @msg)
		3075
		3076	Sends an ext event to the client.
		3077
		3078	=cut
		3079
		3080	sub cf::client::ext_msg($$@) {
		3081	my ($self, $type, @msg) = @_;
		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
		3086	push @msg, msgtype => "event_$type";
		3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
		3107	}
1917		3108
1918	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
1919		3110
1920	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		3114
1924	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	3116	become reliable at some point in the future.
1926		3117
1927	=cut	3118	=cut
1928		3119
1929	sub cf::client::query {	3120	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	3129	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		3131
1941	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
1943	}	3136	}
1944		3137
1945	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
1946	on_reply => sub {	3144	on_reply => sub {
1947	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
1948		3146
1949	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
1950	# get handled first	3148	# get handled first
1951	my $queue = delete $ns->{query_queue}	3149	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	3150	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		3151
1954	(shift @$queue)->[1]->($msg);	3152	(shift @$queue)->[1]->($msg);
		3153	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		3154
1956	push @{ $ns->{query_queue} }, @$queue;	3155	push @{ $ns->{query_queue} }, @$queue;
1957		3156
1958	if (@{ $ns->{query_queue} } == @$queue) {	3157	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	3158	if (@$queue) {
…		…
1961	} else {	3160	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	3162	}
1964	}	3163	}
1965	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
1966	);	3191	);
1967		3192
1968	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
1969		3194
1970	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		3211
1987	$coro	3212	$coro
1988	}	3213	}
1989		3214
1990	cf::client->attach (	3215	cf::client->attach (
1991	on_destroy => sub {	3216	on_client_destroy => sub {
1992	my ($ns) = @_;	3217	my ($ns) = @_;
1993		3218
1994	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1995	},	3220	},
1996	);	3221	);
…		…
2011	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2013		3238
2014	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2015		3240
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2017		3246
2018	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2019		3248
2020	=pod	3249	=pod
2021		3250
2022	The following fucntions and emthods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2023		3252
2024	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2025	cf::object::player player	3258	cf::object::player
2026	cf::player peaceful	3259	player
2027	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2028		3266
2029	=cut	3267	=cut
2030		3268
2031	for (	3269	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2033	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2035	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2036	) {	3276	) {
2037	no strict 'refs';
2038	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2039	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2040	for @funs;	3279	for @funs;
2041	}	3280	}
2042		3281
…		…
2057		3296
2058	my $qcode = $code;	3297	my $qcode = $code;
2059	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2060	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2061		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2062	local $_;	3304	local $_;
2063	local @safe::cf::_safe_eval_args = values %vars;
2064		3305
2065	my $eval =	3306	my $eval =
2066	"do {\n"	3307	"do {\n"
2067	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2068	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2069	. $code	3310	. $code
2070	. "\n}"	3311	. "\n}"
2071	;	3312	;
2072		3313
		3314	if ($CFG{safe_eval}) {
2073	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2074	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2075	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2076		3323
2077	if ($@) {	3324	if ($@) {
2078	warn "$@";	3325	warn "$@",
2079	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2080	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2081	}	3328	}
2082		3329
2083	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2084	}	3331	}
2085		3332
…		…
2099	=cut	3346	=cut
2100		3347
2101	sub register_script_function {	3348	sub register_script_function {
2102	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2103		3350
2104	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2105	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2106	}	3353	}
2107		3354
2108	=back	3355	=back
2109		3356
2110	=cut	3357	=cut
2111		3358
2112	#############################################################################	3359	#############################################################################
		3360	# the server's init and main functions
2113		3361
2114	=head2 EXTENSION DATABASE SUPPORT	3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
2115		3365
2116	Crossfire maintains a very simple database for extension use. It can	3366	if (in_main && !tick_inhibit) {
2117	currently store anything that can be serialised using Storable, which	3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2118	excludes objects.	3368	} else {
2119		3369	debug "loading perl module $mod\n";
2120	The parameter C<$family> should best start with the name of the extension
2121	using it, it should be unique.
2122
2123	=over 4
2124
2125	=item $hashref = cf::db_get $family
2126
2127	Return a hashref for use by the extension C<$family>, which can be
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130
2131	=item $value = cf::db_get $family => $key
2132
2133	Returns a single value from the database
2134
2135	=item cf::db_put $family => $hashref
2136
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}	3370	}
2163		3371
2164	my $pid;	3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
2165		3377
2166	sub db_save() {	3378	$data = "#line 1 $dir/$mod\n$data";
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175		3379
2176	my $dirty;	3380	open my $fh, "<", \$data or die;
2177		3381
2178	sub db_sync() {	3382	return $fh;
2179	db_save if $dirty;
2180	undef $dirty;
2181	}	3383	}
2182		3384
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	3385	()
2184	db_sync;	3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
		3404	sub load_facedata($) {
		3405	my ($path) = @_;
		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
		3413	trace "loading facedata from $path\n";
		3414
		3415	my $facedata;
		3416	0 < aio_load $path, $facedata
		3417	or die "$path: $!";
		3418
		3419	$facedata = Coro::Storable::thaw $facedata;
		3420
		3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2185	});	3430	};
		3431	cf::cede_to_tick;
2186		3432
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
2191		3435
2192	sub db_get($;$) {	3436	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3438
2198	sub db_put($$;$) {	3439	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2201	} else {	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3443
2207	cf::global->attach (	3444	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3445	}
2212	);
2213	}
2214		3446
2215	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3448	next unless $info->{smooth};
2217		3449
2218	sub cfg_load {	3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
		3573	reload_regions;
		3574	reload_treasures;
		3575
		3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3583	or return;
2221		3584
2222	local $/;	3585	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2224		3587
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2226		3589
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2229		3592
2230	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2233	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2234	};	3597	};
2235	warn $@ if $@;	3598	warn $@ if $@;
2236	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2237	}	3630	}
2238		3631
2239	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2240	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3645	(async {
2244	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2246	};	3649	};
2247		3650
2248	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2249	db_load;	3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2250	load_extensions;	3676	load_extensions;
2251		3677
2252	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2253	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2254	}	3696	}
2255		3697
2256	#############################################################################	3698	#############################################################################
2257	# initialisation and cleanup	3699	# initialisation and cleanup
2258		3700
2259	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2260	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2267	},
2268	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2269	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2270	}	3797	}
2271		3798
2272	sub emergency_save() {	3799	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2274		3801
2275	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2276		3808
2277	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2278	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2279	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2280	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2282	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3820	$pl->save;
2286	}	3821	}
2287	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2288		3823
2289	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2290	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2291	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3829	$map->valid or next;
2293	$map->save;	3830	$map->save;
2294	}	3831	}
2295	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2296	};	3862	};
2297		3863
2298	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2299	}	3865	}
2300		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2301	sub reload() {	3904	sub do_reload_perl() {
2302	# can/must only be called in main	3905	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2304	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2305	return;	3908	return;
2306	}	3909	}
2307		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2308	warn "reloading...";	3916	info "reloading...";
2309		3917
2310	warn "cancelling server ticker";	3918	trace "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3919
		3920	cf::sync_job {
2313	cf::emergency_save;	3921	cf::emergency_save;
2314		3922
2315	eval {
2316	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325
2326	warn "flushing outstanding aio requests";
2327	for (;;) {
2328	IO::AIO::flush;
2329	Coro::cede;
2330	last unless IO::AIO::nreqs;
2331	warn "iterate...";
2332	}
2333
2334	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3925	%EXT_CORO = ();
2337		3926
2338	warn "removing commands";	3927	trace "removing commands";
2339	%COMMAND = ();	3928	%COMMAND = ();
2340		3929
2341	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2342	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2343		3933
2344	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2347		3937
2348	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2349	eval {	3939	eval {
2350	$cb->($pkg);	3940	$cb->($pkg);
2351	1	3941	1
2352	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2353	}	3947	}
2354		3948
2355	warn "... nuking $pkg";
2356	Symbol::delete_package $pkg;
2357	}
2358
2359	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2360	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362		3952
2363	warn "... unloading $k";	3953	trace "... unloading $k";
2364	delete $INC{$k};	3954	delete $INC{$k};
2365		3955
2366	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2367	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2368		3958
2369	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2370	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2371	}	3964	}
2372		3965
2373	Symbol::delete_package $k;
2374	}
2375
2376	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2377	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3969
2380	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2382		3973
2383	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3975	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2386		3977
2387	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2388		3979
2389	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2390	require cf;	3981	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2392		3983
2393	warn "loading config and database again";	3984	trace "loading config and database again";
2394	cf::cfg_load;	3985	cf::reload_config;
2395	cf::db_load;
2396		3986
2397	warn "loading extensions";	3987	trace "loading extensions";
2398	cf::load_extensions;	3988	cf::load_extensions;
2399		3989
		3990	if ($REATTACH_ON_RELOAD) {
2400	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2401	_global_reattach;	3992	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
2404		3998
2405	warn "restarting server ticker";	3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
2406		4001
2407	$TICK_WATCHER->start;	4002	trace "leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "error while reloading, exiting.";
		4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2408	};	4031	};
2409		4032	}
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415
2416	warn "reloaded";
2417	};
2418
2419	our $RELOAD_WATCHER; # used only during reload
2420		4033
2421	register_command "reload" => sub {	4034	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2423		4036
2424	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
2426		4039	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	4040	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	4041	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	4042	};
2434	}	4043	}
2435	};	4044	};
2436		4045
2437	unshift @INC, $LIBDIR;	4046	#############################################################################
2438		4047
2439	my $bug_warning = 0;	4048	my $bug_warning = 0;
2440		4049
2441	$TICK_WATCHER = Event->timer (	4050	our @WAIT_FOR_TICK;
2442	reentrant => 0,	4051	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	4052
2444	prio => 0,	4053	sub wait_for_tick {
2445	at => $NEXT_TICK || $TICK,	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	4055
2447	cb => sub {	4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
2448	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2451	return;	4073	return;
2452	}	4074	}
2453		4075
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		4077
2460	$WAIT_FOR_TICK->broadcast;	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2462		4079
2463	# if we are delayed by four ticks or more, skip them all	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2465		4082	Coro::async_pool {
2466	$TICK_WATCHER->at ($NEXT_TICK);	4083	$Coro::current->{desc} = "runtime saver";
2467	$TICK_WATCHER->start;	4084	write_runtime_sync
		4085	or error "ERROR: unable to write runtime file: $!";
		4086	};
2468	},	4087	}
2469	);
2470		4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
		4107
		4108	{
		4109	# configure BDB
		4110
		4111	BDB::min_parallel 16;
		4112	BDB::max_poll_reqs $TICK * 0.1;
		4113	$AnyEvent::BDB::WATCHER->priority (1);
		4114
		4115	unless ($DB_ENV) {
		4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4122
		4123	cf::sync_job {
		4124	eval {
		4125	BDB::db_env_open
		4126	$DB_ENV,
		4127	$BDBDIR,
		4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4130	0666;
		4131
		4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4133	};
		4134
		4135	cf::cleanup "db_env_open(db): $@" if $@;
		4136	};
		4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
		4148	}
		4149
		4150	{
		4151	# configure IO::AIO
		4152
		4153	IO::AIO::min_parallel 8;
2471	IO::AIO::max_poll_time $TICK * 0.2;	4154	IO::AIO::max_poll_time $TICK * 0.1;
		4155	undef $AnyEvent::AIO::WATCHER;
		4156	}
2472		4157
2473	$AIO_POLL_WATCHER = Event->io (	4158	my $_log_backtrace;
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480		4159
2481	$WRITE_RUNTIME_WATCHER = Event->timer (	4160	sub _log_backtrace {
2482	data => WF_AUTOCANCEL,	4161	my ($msg, @addr) = @_;
2483	after => 1,	4162
2484	interval => 10,	4163	$msg =~ s/\n//;
2485	prio => 6, # keep it lowest so it acts like a watchdog	4164
2486	cb => Coro::unblock_sub {	4165	# limit the # of concurrent backtraces
2487	write_runtime	4166	if ($_log_backtrace < 2) {
2488	or warn "ERROR: unable to write runtime file: $!";	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	4197	}
2490	);	4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2491		4203
2492	END { cf::emergency_save }	4204	END { cf::emergency_save }
2493		4205
2494	1	4206	1
2495		4207

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