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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.503 by root, Sat Jan 30 23:46:39 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		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;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	115	our $NEXT_TICK;
46	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
47		124
48	our %CFG;	125	our %CFG;
49		126
50	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
52		130
53	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		134
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
61		147
62	binmode STDOUT;	148	binmode STDOUT;
63	binmode STDERR;	149	binmode STDERR;
64		150
65	# read virtual server time, if available	151	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
70	}	156	}
71		157
72	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		159
78	# a special map that is always available	160	mkdir $_
79	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
80	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		177
82	#############################################################################	178	#############################################################################
83		179
84	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
85		181
…		…
92	=item $cf::RUNTIME	188	=item $cf::RUNTIME
93		189
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	191	every server tick.
96		192
97	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		196
99	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
101		201
102	=item $cf::NOW	202	=item $cf::NOW
103		203
104	The time of the last (current) server tick.	204	The time of the last (current) server tick.
105		205
106	=item $cf::TICK	206	=item $cf::TICK
107		207
108	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
109		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
110	=item %cf::CFG	220	=item %cf::CFG
111		221
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	223	from wherever your confdir points to.
114		224
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		226
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
121		242
122	=back	243	=back
123		244
124	=cut	245	=cut
125		246
126	BEGIN {	247	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	248	my $msg = join "", @_;
129	utf8::encode $msg;
130		249
131	$msg .= "\n"	250	$msg .= "\n"
132	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
133		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
134	LOG llevError, $msg;	255	LOG llevError, $msg;
135	};	256	};
136	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
137		271
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		279
145	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	281	# within the Safe compartment.
147	for my $pkg (qw(	282	for my $pkg (qw(
148	cf::global cf::attachable	283	cf::global cf::attachable
149	cf::object cf::object::player	284	cf::object cf::object::player
150	cf::client cf::player	285	cf::client cf::player
151	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
152	cf::map cf::party cf::region	288	cf::party cf::region
153	)) {	289	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	291	}
157		292
158	$Event::DIED = sub {	293	$EV::DIED = sub {
159	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
160	};	295	};
161		296
162	my %ext_pkg;	297	#############################################################################
163	my @exts;
164	my @hook;
165		298
166	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
167		300
168	=over 4	301	=over 4
169		302
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	322	$d
190	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
191	}	324	}
192		325
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
196		327
197	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
198		329
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
207		331
208	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
209		333
210	=cut	334	=cut
211		335
212	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
214	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
215	}	353	}
216		354
217	=item cf::lock_wait $string	355	=item cf::lock_wait $string
218		356
219	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
220		358
221	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
222		360
223	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
226	returned.	364	returned.
227		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
228	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
230		371
231	=cut	372	=item $locked = cf::lock_active $string
232		373
233	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
234		379
235	sub lock_wait($) {	380	sub lock_wait($) {
236	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	382	}
244		383
245	sub lock_acquire($) {	384	sub lock_acquire($) {
246	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
247		387
248	# wait, to be sure we are not locked	388	sub lock_active($) {
249	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	390	}
258		391
259	sub freeze_mainloop {	392	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
261		394
262	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	396	}
264	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
265	}	478	}
266		479
267	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
268		481
269	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		487
275	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
276		489
277	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
278		491
279	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
282		496
283	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
286	fast or be very important.	500	fast or be very important.
…		…
289		503
290	sub sync_job(&) {	504	sub sync_job(&) {
291	my ($job) = @_;	505	my ($job) = @_;
292		506
293	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
294	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
296		512
297	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	514
299	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
300		516
301	my $busy = 1;	517	my $busy = 1;
302	my @res;	518	my @res;
303		519
304	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	522	@res = eval { $job->() };
306	warn $@ if $@;	523	warn $@ if $@;
307	undef $busy;	524	undef $busy;
308	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
309		526
310	while ($busy) {	527	while ($busy) {
311	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
312	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
313		538
314	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
315	} else {	540	} else {
316	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
317		542
…		…
319	}	544	}
320	}	545	}
321		546
322	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
323		548
324	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	550	extension calling this is being unloaded.
326		551
327	=cut	552	=cut
328		553
329	sub async_ext(&) {	554	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
338		563
339	$coro	564	$coro
340	}	565	}
341		566
342	sub write_runtime {	567	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		568
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
346	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
347		573
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		575
352	aio_fsync $fh	576	sub fork_call(&@) {
353	and return;	577	my ($cb, @args) = @_;
354		578
355	close $fh	579	# we seemingly have to make a local copy of the whole thing,
356	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
357		582
358	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
359	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
360		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
361	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	754	}
363		755
364	=back	756	=back
365		757
366	=cut	758	=cut
367		759
368	#############################################################################	760	#############################################################################
369		761
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
498		763
499	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
500	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
502		767
503	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	770	Deliantra).
506		771
507	=over 4	772	=over 4
508		773
509	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
510		775
…		…
554	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
555		820
556	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
558		823
559	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
561		826
562	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
563		828
564	=over 4	829	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	890	our @CB_MAP = ();
626		891
627	my %attachment;	892	my %attachment;
628		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
629	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
631		902
632	use sort 'stable';	903	use sort 'stable';
633		904
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
668		939
669	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		944
674	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	946	my $pkg = shift @arg;
676		947
677	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
707	}	978	}
708		979
709	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
710	} else {	981	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	983	}
713		984
714	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
715	}	986	}
716		987
…		…
718	if (ref $_[0]) {	989	if (ref $_[0]) {
719	_object_attach @_;	990	_object_attach @_;
720	} else {	991	} else {
721	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
722	}	993	}
		994	_recalc_want;
723	};	995	};
724		996
725	# all those should be optimised	997	# all those should be optimised
726	sub cf::attachable::detach {	998	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
731	reattach ($obj);	1003	reattach ($obj);
732	} else {	1004	} else {
733	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
734	}	1006	}
		1007	_recalc_want;
735	};	1008	};
736		1009
737	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
739		1012
…		…
754	";	1027	";
755	die if $@;	1028	die if $@;
756	}	1029	}
757		1030
758	our $override;	1031	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1033
761	sub override {	1034	sub override {
762	$override = 1;	1035	$override = 1;
763	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
764	}	1037	}
765		1038
766	sub do_invoke {	1039	sub do_invoke {
767	my $event = shift;	1040	my $event = shift;
768	my $callbacks = shift;	1041	my $callbacks = shift;
769		1042
770	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
771		1044
772	local $override;	1045	local $override;
773		1046
774	for (@$callbacks) {	1047	for (@$callbacks) {
775	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
784	}	1057	}
785		1058
786	0	1059	0
787	}	1060	}
788		1061
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1063
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1065
793	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
794		1067
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1071
799	=back	1072	=back
800		1073
801	=cut	1074	=cut
802		1075
803	#############################################################################	1076	#############################################################################
804	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
805		1120
806	sub reattach {	1121	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1127
810	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
811		1129
812	@$registry = ();	1130	@$registry = ();
813		1131
…		…
828	cf::attachable->attach (	1146	cf::attachable->attach (
829	prio => -1000000,	1147	prio => -1000000,
830	on_instantiate => sub {	1148	on_instantiate => sub {
831	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
832		1150
833	$data = from_json $data;	1151	$data = decode_json $data;
834		1152
835	for (@$data) {	1153	for (@$data) {
836	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
837		1155
838	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1172	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
856		1174
857	sync_job {	1175	sync_job {
858	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
861		1180
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
865	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
866	close $fh;	1188	aio_close $fh;
867		1189
868	if (@$objs) {	1190	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
873	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
874	close $fh;	1199	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
876	}	1201	}
877	} else {	1202	} else {
878	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
879	}	1204	}
880		1205
881	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1210	} else {
883	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
884	}	1212	}
885	} else {	1213	} else {
886	aio_unlink $filename;	1214	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
888	}	1216	}
889	}	1217	};
890	}	1218	}
891		1219
892	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
894		1222
…		…
906	or return;	1234	or return;
907		1235
908	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
910	or return;	1238	or return;
		1239
911	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
912	}	1242	}
913		1243
		1244	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
916	return ($data, $av);	1248	($data, $av)
917	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
918		1256
919	#############################################################################	1257	#############################################################################
920	# command handling &c	1258	# command handling &c
921		1259
922	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1274	}
937		1275
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1277
940	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
941		1283
942	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
943	called.	1285	called.
944		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
945	=cut	1298	=cut
946		1299
947	sub register_extcmd {	1300	sub register_extcmd {
948	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
949		1302
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
954	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
955		1313
956	cf::player->attach (	1314	cf::player->attach (
957	on_command => sub {	1315	on_command => sub {
958	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
959		1317
…		…
967	cf::override;	1325	cf::override;
968	},	1326	},
969	on_extcmd => sub {	1327	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
971		1329
972	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1331
974	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
980	} else {	1347	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1349	}
983		1350
984	cf::override;	1351	cf::override;
985	},	1352	},
986	);	1353	);
987		1354
988	sub register {	1355	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1356	sub cache_extensions {
995	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
996		1358
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1362	}
1047	}	1363	};
1048		1364
1049	# remove extcmds	1365	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1366	}
1063		1367
1064	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1065	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1373	next unless -r $path;
1067	eval {	1374
1068	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my %done;
		1405	while (%todo) {
		1406	my $progress;
		1407
		1408	while (my ($k, $v) = each %todo) {
		1409	for (split /,\s*/, $v->{meta}{depends}) {
		1410	goto skip
		1411	unless exists $done{$_};
		1412	}
		1413
		1414	warn "... loading '$k' into '$v->{pkg}'\n";
		1415
		1416	unless (eval $v->{source}) {
		1417	my $msg = $@ ? "$v->{path}: $@\n"
		1418	: "$v->{base}: extension inactive.\n";
		1419
		1420	if (exists $v->{meta}{mandatory}) {
		1421	warn $msg;
		1422	cf::cleanup "mandatory extension failed to load, exiting.";
		1423	}
		1424
		1425	warn $msg;
		1426	}
		1427
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
1069	1	1431	}
1070	} or warn "$ext not loaded: $@";	1432
		1433	skip:
		1434	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1435	unless $progress;
		1436	}
1071	}	1437	};
1072	}	1438	}
1073		1439
1074	#############################################################################	1440	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1441
1077	*cf::mapsupport::on_clean = sub {	1442	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1443
1090	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1091		1445
1092	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1093		1447
1094	=cut	1448	=cut
1095		1449
1096	package cf::player;	1450	package cf::player;
1097		1451
…		…
1099		1453
1100	=head3 cf::player	1454	=head3 cf::player
1101		1455
1102	=over 4	1456	=over 4
1103		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
		1471
1104	=item cf::player::find $login	1472	=item cf::player::find $login
1105		1473
1106	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1107		1475
1108	=cut	1476	=cut
1109		1477
1110	sub playerdir($) {	1478	sub playerdir($) {
1111	cf::localdir	1479	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1480	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1481	}
1117		1482
1118	sub path($) {	1483	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1484	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1485
1121	(playerdir $login) . "/$login.pl"	1486	(playerdir $login) . "/playerdata"
1122	}	1487	}
1123		1488
1124	sub find_active($) {	1489	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1490	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1491	and $cf::PLAYER{$_[0]}->active
…		…
1129		1494
1130	sub exists($) {	1495	sub exists($) {
1131	my ($login) = @_;	1496	my ($login) = @_;
1132		1497
1133	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1499	or !aio_stat path $login
1135	}	1500	}
1136		1501
1137	sub find($) {	1502	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1504	my $login = $_[0];
1140		1505
1141	my $guard = cf::lock_acquire "user_find:$login";	1506	my $guard = cf::lock_acquire "user_find:$login";
1142		1507
1143	$cf::PLAYER{$_[0]} || do {	1508	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1509	# rename old playerfiles to new ones
		1510	#TODO: remove when no longer required
		1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1514	aio_unlink +(playerdir $login) . "/$login.pl";
		1515
		1516	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
1147	}	1525	}
1148	}	1526	}
1149	}	1527	}
1150		1528
…		…
1159	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1160		1538
1161	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
1163		1541
		1542	cf::get_slot 0.01;
		1543
1164	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1165	Coro::cede;	1545	cf::cede_to_tick;
1166	}	1546	}
1167		1547
1168	sub new($) {	1548	sub new($) {
1169	my ($login) = @_;	1549	my ($login) = @_;
1170		1550
…		…
1176	$cf::PLAYER{$login} = $self;	1556	$cf::PLAYER{$login} = $self;
1177		1557
1178	$self	1558	$self
1179	}	1559	}
1180		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
1181	=item $pl->quit_character	1571	=item $pl->quit_character
1182		1572
1183	Nukes the player without looking back. If logged in, the connection will	1573	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1574	be destroyed. May block for a long time.
1185		1575
1186	=cut	1576	=cut
1187		1577
1188	sub quit_character {	1578	sub quit_character {
1189	my ($pl) = @_;	1579	my ($pl) = @_;
1190		1580
		1581	my $name = $pl->ob->name;
		1582
1191	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1585
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1198		1592
1199	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1595	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1596	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1597	$pl->destroy;
		1598
		1599	my $prefix = qr<^~\Q$name\E/>;
		1600
		1601	# nuke player maps
		1602	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1603
1204	IO::AIO::aio_rmtree $temp;	1604	IO::AIO::aio_rmtree $temp;
		1605	}
		1606
		1607	=item $pl->kick
		1608
		1609	Kicks a player out of the game. This destroys the connection.
		1610
		1611	=cut
		1612
		1613	sub kick {
		1614	my ($pl, $kicker) = @_;
		1615
		1616	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1617	$pl->killer ("kicked");
		1618	$pl->ns->destroy;
1205	}	1619	}
1206		1620
1207	=item cf::player::list_logins	1621	=item cf::player::list_logins
1208		1622
1209	Returns am arrayref of all valid playernames in the system, can take a	1623	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1624	while and may block, so not sync_job-capable, ever.
1211		1625
1212	=cut	1626	=cut
1213		1627
1214	sub list_logins {	1628	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1629	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1630	or return [];
1217		1631
1218	my @logins;	1632	my @logins;
1219		1633
1220	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
1224		1644
1225	utf8::decode $login;	1645	utf8::decode $login;
1226	push @logins, $login;	1646	push @logins, $login;
1227	}	1647	}
1228		1648
1229	\@logins	1649	\@logins
1230	}	1650	}
1231		1651
1232	=item $player->maps	1652	=item $player->maps
1233		1653
1234	Returns an arrayref of cf::path's of all maps that are private for this	1654	Returns an arrayref of map paths that are private for this
1235	player. May block.	1655	player. May block.
1236		1656
1237	=cut	1657	=cut
1238		1658
1239	sub maps($) {	1659	sub maps($) {
1240	my ($pl) = @_;	1660	my ($pl) = @_;
		1661
		1662	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1663
1242	my $files = aio_readdir playerdir $pl	1664	my $files = aio_readdir playerdir $pl
1243	or return;	1665	or return;
1244		1666
1245	my @paths;	1667	my @paths;
…		…
1247	for (@$files) {	1669	for (@$files) {
1248	utf8::decode $_;	1670	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1671	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1672	next unless /^$PATH_SEP/o;
1251		1673
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1674	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1675	}
1254		1676
1255	\@paths	1677	\@paths
1256	}	1678	}
1257		1679
		1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1681
		1682	Expand deliantra pod fragments into protocol xml.
		1683
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1684	=item $player->ext_reply ($msgid, @msg)
1259		1685
1260	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1261		1687
1262	=cut	1688	=cut
1263		1689
1264	sub ext_reply($$$%) {	1690	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1691	my ($self, $id, @msg) = @_;
1266		1692
1267	$msg{msgid} = $id;	1693	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1694	}
1271		1695
1272	package cf;	1696	=item $player->ext_msg ($type, @msg)
		1697
		1698	Sends an ext event to the client.
		1699
		1700	=cut
		1701
		1702	sub ext_msg($$@) {
		1703	my ($self, $type, @msg) = @_;
		1704
		1705	$self->ns->ext_msg ($type, @msg);
		1706	}
		1707
		1708	=head3 cf::region
		1709
		1710	=over 4
		1711
		1712	=cut
		1713
		1714	package cf::region;
		1715
		1716	=item cf::region::find_by_path $path
		1717
		1718	Tries to decuce the likely region for a map knowing only its path.
		1719
		1720	=cut
		1721
		1722	sub find_by_path($) {
		1723	my ($path) = @_;
		1724
		1725	my ($match, $specificity);
		1726
		1727	for my $region (list) {
		1728	if ($region->{match} && $path =~ $region->{match}) {
		1729	($match, $specificity) = ($region, $region->specificity)
		1730	if $region->specificity > $specificity;
		1731	}
		1732	}
		1733
		1734	$match
		1735	}
1273		1736
1274	=back	1737	=back
1275
1276		1738
1277	=head3 cf::map	1739	=head3 cf::map
1278		1740
1279	=over 4	1741	=over 4
1280		1742
…		…
1283	package cf::map;	1745	package cf::map;
1284		1746
1285	use Fcntl;	1747	use Fcntl;
1286	use Coro::AIO;	1748	use Coro::AIO;
1287		1749
		1750	use overload
		1751	'""' => \&as_string,
		1752	fallback => 1;
		1753
1288	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1290		1756
1291	sub generate_random_map {	1757	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1761
1294	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1763	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1767	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1768	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1769	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1770	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1771	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1772	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1773	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1774	(cf::region::find $rmp->{region}), $rmp->{custom}
		1775	)
1308	}	1776	}
1309		1777
1310	# and all this just because we cannot iterate over	1778	=item cf::map->register ($regex, $prio)
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;
1314		1779
1315	$_->change_map_light ($change)	1780	Register a handler for the map path matching the given regex at the
1316	for grep $_->outdoor, values %cf::MAP;	1781	givne priority (higher is better, built-in handlers have priority 0, the
1317	}	1782	default).
1318		1783
1319	sub try_load_header($) {	1784	=cut
		1785
		1786	sub register {
		1787	my (undef, $regex, $prio) = @_;
		1788	my $pkg = caller;
		1789
		1790	no strict;
		1791	push @{"$pkg\::ISA"}, __PACKAGE__;
		1792
		1793	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1794	}
		1795
		1796	# also paths starting with '/'
		1797	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1798
		1799	sub thawer_merge {
		1800	my ($self, $merge) = @_;
		1801
		1802	# we have to keep some variables in memory intact
		1803	local $self->{path};
		1804	local $self->{load_path};
		1805
		1806	$self->SUPER::thawer_merge ($merge);
		1807	}
		1808
		1809	sub normalise {
1320	my ($path) = @_;	1810	my ($path, $base) = @_;
		1811
		1812	$path = "$path"; # make sure its a string
		1813
		1814	$path =~ s/\.map$//;
		1815
		1816	# map plan:
		1817	#
		1818	# /! non-realised random map exit (special hack!)
		1819	# {... are special paths that are not being touched
		1820	# ?xxx/... are special absolute paths
		1821	# ?random/... random maps
		1822	# /... normal maps
		1823	# ~user/... per-player map of a specific user
		1824
		1825	$path =~ s/$PATH_SEP/\//go;
		1826
		1827	# treat it as relative path if it starts with
		1828	# something that looks reasonable
		1829	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1830	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1831
		1832	$base =~ s{[^/]+/?$}{};
		1833	$path = "$base/$path";
		1834	}
		1835
		1836	for ($path) {
		1837	redo if s{//}{/};
		1838	redo if s{/\.?/}{/};
		1839	redo if s{/[^/]+/\.\./}{/};
		1840	}
		1841
		1842	$path
		1843	}
		1844
		1845	sub new_from_path {
		1846	my (undef, $path, $base) = @_;
		1847
		1848	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1849
		1850	$path = normalise $path, $base;
		1851
		1852	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1853	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1854	my $self = bless cf::map::new, $pkg;
		1855	$self->{path} = $path; $self->path ($path);
		1856	$self->init; # pass $1 etc.
		1857	return $self;
		1858	}
		1859	}
		1860
		1861	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1862	()
		1863	}
		1864
		1865	sub init {
		1866	my ($self) = @_;
		1867
		1868	$self
		1869	}
		1870
		1871	sub as_string {
		1872	my ($self) = @_;
		1873
		1874	"$self->{path}"
		1875	}
		1876
		1877	# the displayed name, this is a one way mapping
		1878	sub visible_name {
		1879	&as_string
		1880	}
		1881
		1882	# the original (read-only) location
		1883	sub load_path {
		1884	my ($self) = @_;
		1885
		1886	"$MAPDIR/$self->{path}.map"
		1887	}
		1888
		1889	# the temporary/swap location
		1890	sub save_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$TMPDIR/$path.map"
		1895	}
		1896
		1897	# the unique path, undef == no special unique path
		1898	sub uniq_path {
		1899	my ($self) = @_;
		1900
		1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1902	"$UNIQUEDIR/$path"
		1903	}
		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
		1913	sub unlink_save {
		1914	my ($self) = @_;
		1915
		1916	utf8::encode (my $save = $self->save_path);
		1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1919	}
		1920
		1921	sub load_header_from($) {
		1922	my ($self, $path) = @_;
1321		1923
1322	utf8::encode $path;	1924	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1324	or return;	1926	or return;
1325		1927
1326	my $map = cf::map::new	1928	$self->_load_header ($f)
1327	or return;	1929	or return;
1328		1930
1329	# for better error messages only, will be overwritten	1931	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1932	$f->resolve_delayed_derefs;
1331		1933
1332	$map->load_header ($path)	1934	$self->{load_path} = $path;
		1935
		1936	1
		1937	}
		1938
		1939	sub load_header_orig {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->load_path)
		1943	}
		1944
		1945	sub load_header_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
		1968	}
		1969
		1970	sub load_header {
		1971	my ($self) = @_;
		1972
		1973	if ($self->load_header_temp) {
		1974	$self->prepare_temp;
		1975	} else {
		1976	$self->load_header_orig
1333	or return;	1977	or return;
		1978	$self->prepare_orig;
		1979	}
1334		1980
1335	$map->{load_path} = $path;	1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
1336		1983
1337	$map	1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
		1987	1
1338	}	1988	}
1339		1989
1340	sub find;	1990	sub find;
1341	sub find {	1991	sub find {
1342	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1343		1993
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1995
1349	cf::lock_wait "map_find:$key";	1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1353		1998
1354	# do it the slow way	1999	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	2000	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	2001	or return;
1373		2002
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1386		2004
1387	Coro::cede;	2005	$map->load_header
		2006	or return;
1388		2007
1389	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1390	$map->reset;	2013	$map->reset;
1391	undef $guard;
1392	$map = find $path	2014	return find $path;
1393	or return;
1394	}	2015	}
1395		2016
1396	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1397	}	2018	}
1398	}	2019	}
		2020
		2021	sub pre_load { }
		2022	#sub post_load { } # XS
1399		2023
1400	sub load {	2024	sub load {
1401	my ($self) = @_;	2025	my ($self) = @_;
1402		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1403	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1405		2033
		2034	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2036
1408	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1409		2038
1410	$self->alloc;	2039	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1412	or return;	2047	or return;
1413		2048
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1415	if delete $self->{load_original};	2050	if delete $self->{load_original};
1416		2051
1417	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2053	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2056	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1422	}	2060	}
1423	}	2061	}
1424		2062
1425	Coro::cede;	2063	$f->resolve_delayed_derefs;
1426		2064
		2065	cf::cede_to_tick;
1427	# now do the right thing for maps	2066	# now do the right thing for maps
1428	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
1440	$self->activate;	2077	$self->activate;
1441	}	2078	}
1442		2079
1443	Coro::cede;	2080	$self->{last_save} = $cf::RUNTIME;
		2081	$self->last_access ($cf::RUNTIME);
1444		2082
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
		2084	}
		2085
		2086	$self->post_load;
		2087	}
		2088
		2089	sub customise_for {
		2090	my ($self, $ob) = @_;
		2091
		2092	return find "~" . $ob->name . "/" . $self->{path}
		2093	if $self->per_player;
		2094
		2095	# return find "?party/" . $ob->name . "/" . $self->{path}
		2096	# if $self->per_party;
		2097
		2098	$self
1446	}	2099	}
1447		2100
1448	# find and load all maps in the 3x3 area around a map	2101	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2102	sub load_neighbours {
1450	my ($map) = @_;	2103	my ($map) = @_;
1451		2104
1452	my @diag; # diagonal neighbours	2105	my @neigh; # diagonal neighbours
1453		2106
1454	for (0 .. 3) {	2107	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2108	my $neigh = $map->tile_path ($_)
1456	or next;	2109	or next;
1457	$neigh = find $neigh, $map	2110	$neigh = find $neigh, $map
1458	or next;	2111	or next;
1459	$neigh->load;	2112	$neigh->load;
1460		2113
		2114	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2117	}
1464		2118
1465	for (@diag) {	2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2121	my $neigh = find $path, $origin
1467	or next;	2122	or next;
1468	$neigh->load;	2123	$neigh->load;
1469	}	2124	}
1470	}	2125	}
1471		2126
…		…
1476	}	2131	}
1477		2132
1478	sub do_load_sync {	2133	sub do_load_sync {
1479	my ($map) = @_;	2134	my ($map) = @_;
1480		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1481	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
1482	}	2140	}
1483		2141
1484	our %MAP_PREFETCH;	2142	our %MAP_PREFETCH;
		2143	our $MAP_PREFETCHER = undef;
		2144
		2145	sub find_async {
		2146	my ($path, $origin, $load) = @_;
		2147
		2148	$path = normalise $path, $origin && $origin->{path};
		2149
		2150	if (my $map = $cf::MAP{$path}) {
		2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2152	}
		2153
		2154	$MAP_PREFETCH{$path} |= $load;
		2155
1485	our $MAP_PREFETCHER = Coro::async {	2156	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2157	$Coro::current->{desc} = "map prefetcher";
		2158
1487	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2161	if (my $map = find $k) {
		2162	$map->load if $v;
		2163	}
		2164
1490	my $path = delete $MAP_PREFETCH{$key};	2165	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2166	}
1496	Coro::schedule;	2167	}
		2168	undef $MAP_PREFETCHER;
1497	}	2169	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2170	$MAP_PREFETCHER->prio (6);
1512		2171
1513	()	2172	()
1514	}	2173	}
1515		2174
1516	sub save {	2175	sub save {
1517	my ($self) = @_;	2176	my ($self) = @_;
1518		2177
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2179
1521	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
1522		2181
1523	return unless $self->dirty;	2182	return unless $self->dirty;
1524		2183
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2184	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2185	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2186
1528	$self->{load_path} = $save;	2187	$self->{load_path} = $save;
1529		2188
1530	return if $self->{deny_save};	2189	return if $self->{deny_save};
1531		2190
1532	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
1533		2192
1534	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
1536	};	2196	};
1537		2197
		2198	cf::get_slot 0.02;
		2199
1538	if ($uniq) {	2200	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2203	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2205	}
1544	}	2206	}
1545		2207
1546	sub swap_out {	2208	sub swap_out {
1547	my ($self) = @_;	2209	my ($self) = @_;
1548		2210
1549	# save first because save cedes	2211	# save first because save cedes
1550	$self->save;	2212	$self->save;
1551		2213
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2215
1554	return if $self->players;	2216	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
1556	return if $self->{deny_save};	2218	return if $self->{deny_save};
1557		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2224	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2225	}
1561		2226
1562	sub reset_at {	2227	sub reset_at {
1563	my ($self) = @_;	2228	my ($self) = @_;
1564		2229
1565	# TODO: safety, remove and allow resettable per-player maps	2230	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2231	return 1e99 if $self->{deny_reset};
1568		2232
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2233	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2234	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2235
…		…
1576	my ($self) = @_;	2240	my ($self) = @_;
1577		2241
1578	$self->reset_at <= $cf::RUNTIME	2242	$self->reset_at <= $cf::RUNTIME
1579	}	2243	}
1580		2244
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2245	sub reset {
1603	my ($self) = @_;	2246	my ($self) = @_;
1604		2247
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2249
1607	return if $self->players;	2250	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2251
1610	warn "resetting map ", $self->path;#d#	2252	warn "resetting map ", $self->path, "\n";
		2253
		2254	$self->in_memory (cf::MAP_SWAPPED);
		2255
		2256	# need to save uniques path
		2257	unless ($self->{deny_save}) {
		2258	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2259
		2260	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2261	if $uniq;
		2262	}
1611		2263
1612	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1613		2265
		2266	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2267	$_->clear_links_to ($self) for values %cf::MAP;
		2268	$self->clear;
1615		2269
1616	$self->unlink_save;	2270	$self->unlink_save;
1617	$self->destroy;	2271	$self->destroy;
1618	}	2272	}
1619		2273
1620	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
1621		2275
1622	sub nuke {	2276	sub nuke {
1623	my ($self) = @_;	2277	my ($self) = @_;
1624		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	delete $cf::MAP{$self->path};
		2283
		2284	$self->unlink_save;
		2285
		2286	bless $self, "cf::map";
		2287	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2291
		2292	$cf::MAP{$self->path} = $self;
		2293	}
		2294
1628	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
1629	}	2296	}
1630		2297
1631	sub customise_for {	2298	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2299
1634	if ($map->per_player) {	2300	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2301	maps. May block.
		2302
		2303	=cut
		2304
		2305	sub tmp_maps() {
1636	}	2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise $_
		2311	: ()
		2312	} @{ aio_readdir $TMPDIR or [] }
		2313	]
		2314	}
1637		2315
1638	$map	2316	=item $maps = cf::map::random_maps
		2317
		2318	Returns an arrayref with all map paths of currently instantiated and saved
		2319	random maps. May block.
		2320
		2321	=cut
		2322
		2323	sub random_maps() {
		2324	[
		2325	map {
		2326	utf8::decode $_;
		2327	/\.map$/
		2328	? normalise "?random/$_"
		2329	: ()
		2330	} @{ aio_readdir $RANDOMDIR or [] }
		2331	]
1639	}	2332	}
1640		2333
1641	=item cf::map::unique_maps	2334	=item cf::map::unique_maps
1642		2335
1643	Returns an arrayref of cf::path's of all shared maps that have	2336	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2337	instantiated unique items. May block.
1645		2338
1646	=cut	2339	=cut
1647		2340
1648	sub unique_maps() {	2341	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2342	[
1650	or return;	2343	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2344	utf8::decode $_;
1656	next if /\.pst$/;	2345	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2347	? ()
1659	push @paths, new cf::path $_;	2348	: normalise $_
		2349	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2350	]
1661
1662	\@paths
1663	}	2351	}
1664		2352
1665	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
1666		2384
1667	=back	2385	=back
1668		2386
1669	=head3 cf::object	2387	=head3 cf::object
1670		2388
…		…
1674		2392
1675	=over 4	2393	=over 4
1676		2394
1677	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
1678		2396
1679	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
1680		2399
1681	=cut	2400	=cut
1682		2401
1683	sub inv_recursive_;	2402	sub inv_recursive_;
1684	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
1687		2406
1688	sub inv_recursive {	2407	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
1690	}	2409	}
1691		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
1692	package cf;	2439	package cf;
1693		2440
1694	=back	2441	=back
1695		2442
1696	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
1705		2452
1706	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
1707		2468
1708	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2470	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
1713		2474
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2475	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2476
1716	if ($self->{record_replies}) {	2477	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2478	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2479
1718	} else {	2480	} else {
		2481	my $pl = $self->contr;
		2482
		2483	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2484	my $dialog = $pl->{npc_dialog};
		2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2486
		2487	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2490	}
1721	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
1722	}	2502	}
1723		2503
1724	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
1725		2505
1726	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
1739		2519
1740	=item $player_object->enter_link	2520	=item $player_object->enter_link
1741		2521
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2523
1744	The player should be reaosnably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
		2528
		2529	Will never block.
1746		2530
1747	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
1748		2532
1749	Moves the player out of the specila link map onto the given map. If the	2533	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2534	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2535	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2536	fails, to the emergency map position.
1753		2537
1754	Might block.	2538	Might block.
1755		2539
1756	=cut	2540	=cut
		2541
		2542	sub link_map {
		2543	unless ($LINK_MAP) {
		2544	$LINK_MAP = cf::map::find "{link}"
		2545	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2546	$LINK_MAP->load;
		2547	}
		2548
		2549	$LINK_MAP
		2550	}
1757		2551
1758	sub cf::object::player::enter_link {	2552	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2553	my ($self) = @_;
1760		2554
1761	$self->deactivate_recursive;	2555	$self->deactivate_recursive;
1762		2556
1763	return if $self->map == $LINK_MAP;	2557	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2558
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2559	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2560	if $self->map && $self->map->{path} ne "{link}";
1767		2561
1768	$self->enter_map ($LINK_MAP, 20, 20);	2562	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2563	}
1770		2564
1771	sub cf::object::player::leave_link {	2565	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2566	my ($self, $map, $x, $y) = @_;
		2567
		2568	return unless $self->contr->active;
1773		2569
1774	my $link_pos = delete $self->{_link_pos};	2570	my $link_pos = delete $self->{_link_pos};
1775		2571
1776	unless ($map) {	2572	unless ($map) {
1777	# restore original map position	2573	# restore original map position
…		…
1788	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
1789	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
1790		2586
1791	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
1794		2590
1795	$map->load;	2591	$map->load;
1796	$map->load_diag;	2592	$map->load_neighbours;
1797		2593
1798	return unless $self->contr->active;	2594	return unless $self->contr->active;
		2595
		2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2600	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}	2601	}
1802		2602
1803	cf::player->attach (	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2604
1807	# abort map switching before logout	2605	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2606	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2607	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2608	the new (success) or old (failed) map position. In either case, $done will
1811	};	2609	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2610
1817	# try to abort aborted map switching on player login :)	2611	Note that $check will be called with a potentially non-loaded map, so if
1818	# should happen only on crashes	2612	it needs a loaded map it has to call C<< ->load >>.
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2613
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2614	=cut
		2615
		2616	our $GOTOGEN;
1838		2617
1839	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2619	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2620
1842	$path = new cf::path $path;	2621	# do generation counting so two concurrent goto's will be executed in-order
		2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2623
1844	$self->enter_link;	2624	$self->enter_link;
1845		2625
1846	(async {	2626	(async {
1847	my $map = cf::map::find $path->as_string;	2627	$Coro::current->{desc} = "player::goto $path $x $y";
		2628
		2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
		2648	my $map = eval {
		2649	my $map = defined $path ? cf::map::find $path : undef;
		2650
		2651	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2652	$map = $map->customise_for ($self);
1849		2653	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2654	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	}
1854		2657
		2658	$map
		2659	};
		2660
		2661	if ($@) {
		2662	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	LOG llevError | logBacktrace, Carp::longmess $@;
		2664	}
		2665
		2666	if ($gen == $self->{_goto_generation}) {
		2667	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2668	$self->leave_link ($map, $x, $y);
		2669	}
		2670
		2671	$done->() if $done;
1856	})->prio (1);	2672	})->prio (1);
1857	}	2673	}
1858		2674
1859	=item $player_object->enter_exit ($exit_object)	2675	=item $player_object->enter_exit ($exit_object)
1860		2676
…		…
1862		2678
1863	sub parse_random_map_params {	2679	sub parse_random_map_params {
1864	my ($spec) = @_;	2680	my ($spec) = @_;
1865		2681
1866	my $rmp = { # defaults	2682	my $rmp = { # defaults
1867	xsize => 10,	2683	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2684	ysize => (cf::rndm 15, 40),
		2685	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2686	#layout => string,
1869	};	2687	};
1870		2688
1871	for (split /\n/, $spec) {	2689	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2690	my ($k, $v) = split /\s+/, $_, 2;
1873		2691
…		…
1885	# that depends on the exit object	2703	# that depends on the exit object
1886		2704
1887	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
1888		2706
1889	if ($exit->map) {	2707	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2708	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
1894	}	2714	}
1895		2715
1896	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
1897		2717
1898	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
		2720	my $meta = "$RANDOMDIR/$md5.meta";
1900		2721
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
		2724	undef $fh;
		2725	aio_rename "$meta~", $meta;
1903		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
1906	}	2733	}
1907	}	2734	}
1908		2735
1909	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
1913		2740
1914	$self->enter_link;	2741	$self->enter_link;
1915		2742
1916	(async {	2743	(async {
1917	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
1918	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
1919	prepare_random_map $exit	2753	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2754	if $exit->slaying eq "/!";
		2755	}
1921		2756
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
1924		2760
		2761	$self->goto ($map, $x, $y);
		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
1925	1;	2767	1
1926	}) {	2768	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2773
1932	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2775	$self->leave_link;
1934	}	2776	}
1935	})->prio (1);	2777	})->prio (1);
…		…
1948		2790
1949	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
1951		2793
1952	utf8::encode $text;	2794	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2796	}
1955		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
		2821	}
		2822
		2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2824
		2825	Send a drawinfo or msg packet to the client, formatting the msg for the
		2826	client if neccessary. C<$type> should be a string identifying the type of
		2827	the message, with C<log> being the default. If C<$color> is negative, suppress
		2828	the message unless the client supports the msg packet.
		2829
		2830	=cut
		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
		2946	sub cf::client::send_msg {
		2947	my ($self, $channel, $msg, $color, @extra) = @_;
		2948
		2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
		2951
		2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
		2961	} elsif (ref $channel) {
		2962	# send meta info to client, if not yet sent
		2963	unless (exists $self->{channel}{$channel->{id}}) {
		2964	$self->{channel}{$channel->{id}} = $channel;
		2965	$self->ext_msg (channel_info => $channel);
		2966	}
		2967
		2968	$channel = $channel->{id};
		2969	}
		2970
		2971	return unless @extra || length $msg;
		2972
		2973	# default colour, mask it out
		2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2975	if $color & cf::NDI_DEF;
		2976
		2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
		2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2980	);
		2981
		2982	$self->send_big_packet ($pkt);
		2983	}
		2984
		2985	=item $client->ext_msg ($type, @msg)
		2986
		2987	Sends an ext event to the client.
		2988
		2989	=cut
		2990
		2991	sub cf::client::ext_msg($$@) {
		2992	my ($self, $type, @msg) = @_;
		2993
		2994	if ($self->extcmd == 2) {
		2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2996	} elsif ($self->extcmd == 1) { # TODO: remove
		2997	push @msg, msgtype => "event_$type";
		2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3017	}
		3018	}
1956		3019
1957	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
1958		3021
1959	Queues a query to the client, calling the given callback with	3022	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		3025
1963	Queries can fail, so check the return code. Or don't, as queries will become	3026	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	3027	become reliable at some point in the future.
1965		3028
1966	=cut	3029	=cut
1967		3030
1968	sub cf::client::query {	3031	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3032	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3040	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3042
1980	$self->send_packet ($self->{query_queue}[0][0])	3043	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3044	if @{ $self->{query_queue} } == 1;
		3045
		3046	1
1982	}	3047	}
1983		3048
1984	cf::client->attach (	3049	cf::client->attach (
		3050	on_connect => sub {
		3051	my ($ns) = @_;
		3052
		3053	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3054	},
1985	on_reply => sub {	3055	on_reply => sub {
1986	my ($ns, $msg) = @_;	3056	my ($ns, $msg) = @_;
1987		3057
1988	# this weird shuffling is so that direct followup queries	3058	# this weird shuffling is so that direct followup queries
1989	# get handled first	3059	# get handled first
1990	my $queue = delete $ns->{query_queue}	3060	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3061	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3062
1993	(shift @$queue)->[1]->($msg);	3063	(shift @$queue)->[1]->($msg);
		3064	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3065
1995	push @{ $ns->{query_queue} }, @$queue;	3066	push @{ $ns->{query_queue} }, @$queue;
1996		3067
1997	if (@{ $ns->{query_queue} } == @$queue) {	3068	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3069	if (@$queue) {
…		…
2000	} else {	3071	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3072	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3073	}
2003	}	3074	}
2004	},	3075	},
		3076	on_exticmd => sub {
		3077	my ($ns, $buf) = @_;
		3078
		3079	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3080
		3081	if (ref $msg) {
		3082	my ($type, $reply, @payload) =
		3083	"ARRAY" eq ref $msg
		3084	? @$msg
		3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3086
		3087	my @reply;
		3088
		3089	if (my $cb = $EXTICMD{$type}) {
		3090	@reply = $cb->($ns, @payload);
		3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
		3096	} else {
		3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3098	}
		3099
		3100	cf::override;
		3101	},
2005	);	3102	);
2006		3103
2007	=item $client->async (\&cb)	3104	=item $client->async (\&cb)
2008		3105
2009	Create a new coroutine, running the specified callback. The coroutine will	3106	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2052		3149
2053	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2054		3151
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
2056		3157
2057	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
2058		3159
2059	=pod	3160	=pod
2060		3161
2061	The following fucntions and emthods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2062		3163
2063	cf::object contr pay_amount pay_player map	3164	cf::object
		3165	contr pay_amount pay_player map x y force_find force_add destroy
		3166	insert remove name archname title slaying race decrease split
		3167	value
		3168
2064	cf::object::player player	3169	cf::object::player
2065	cf::player peaceful	3170	player
2066	cf::map trigger	3171
		3172	cf::player
		3173	peaceful
		3174
		3175	cf::map
		3176	trigger
2067		3177
2068	=cut	3178	=cut
2069		3179
2070	for (	3180	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2075	) {	3187	) {
2076	no strict 'refs';	3188	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2096		3208
2097	my $qcode = $code;	3209	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2100		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2101	local $_;	3216	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;
2103		3217
2104	my $eval =	3218	my $eval =
2105	"do {\n"	3219	"do {\n"
2106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2108	. $code	3222	. $code
2109	. "\n}"	3223	. "\n}"
2110	;	3224	;
2111		3225
		3226	if ($CFG{safe_eval}) {
2112	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2115		3235
2116	if ($@) {	3236	if ($@) {
2117	warn "$@";	3237	warn "$@";
2118	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2119	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2138	=cut	3258	=cut
2139		3259
2140	sub register_script_function {	3260	sub register_script_function {
2141	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2142		3262
2143	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2145	}	3265	}
2146		3266
2147	=back	3267	=back
2148		3268
2149	=cut	3269	=cut
2150		3270
2151	#############################################################################	3271	#############################################################################
		3272	# the server's init and main functions
2152		3273
2153	=head2 EXTENSION DATABASE SUPPORT	3274	sub load_facedata($) {
		3275	my ($path) = @_;
2154		3276
2155	Crossfire maintains a very simple database for extension use. It can	3277	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3278	# for this (global event?)
2157	excludes objects.	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3280
2159	The parameter C<$family> should best start with the name of the extension	3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3282
2162	=over 4	3283	warn "loading facedata from $path\n";
2163		3284
2164	=item $hashref = cf::db_get $family	3285	my $facedata;
		3286	0 < aio_load $path, $facedata
		3287	or die "$path: $!";
2165		3288
2166	Return a hashref for use by the extension C<$family>, which can be	3289	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3290
2170	=item $value = cf::db_get $family => $key	3291	$facedata->{version} == 2
		3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3293
2172	Returns a single value from the database	3294	# patch in the exptable
2173		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174	=item cf::db_put $family => $hashref	3296	$facedata->{resource}{"res/exp_table"} = {
2175		3297	type => FT_RSRC,
2176	Stores the given family hashref into the database. Updates are delayed, if	3298	data => $exp_table,
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3299	hash => (Digest::MD5::md5 $exp_table),
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3300	};
		3301	cf::cede_to_tick;
2225		3302
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3303	{
		3304	my $faces = $facedata->{faceinfo};
2230		3305
2231	sub db_get($;$) {	3306	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3308
2237	sub db_put($$;$) {	3309	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240	} else {	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3313
2246	cf::global->attach (	3314	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3315	}
2251	);
2252	}
2253		3316
2254	#############################################################################	3317	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3318	next unless $info->{smooth};
2256		3319
2257	sub cfg_load {	3320	my $idx = cf::face::find $face
		3321	or next;
		3322
		3323	if (my $smooth = cf::face::find $info->{smooth}) {
		3324	cf::face::set_smooth $idx, $smooth;
		3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3326	} else {
		3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3328	}
		3329
		3330	cf::cede_to_tick;
		3331	}
		3332	}
		3333
		3334	{
		3335	my $anims = $facedata->{animinfo};
		3336
		3337	while (my ($anim, $info) = each %$anims) {
		3338	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3339	cf::cede_to_tick;
		3340	}
		3341
		3342	cf::anim::invalidate_all; # d'oh
		3343	}
		3344
		3345	{
		3346	my $res = $facedata->{resource};
		3347
		3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
		3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3351
		3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
		3354	} else {
		3355	$RESOURCE{$name} = $info;
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3363
		3364	1
		3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
		3386
		3387	register_exticmd fx_want => sub {
		3388	my ($ns, $want) = @_;
		3389
		3390	while (my ($k, $v) = each %$want) {
		3391	$ns->fx_want ($k, $v);
		3392	}
		3393	};
		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
		3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
		3410	load_resource_file "$MAPDIR/regions"
		3411	or die "unable to load regions file\n";
		3412
		3413	for (cf::region::list) {
		3414	$_->{match} = qr/$_->{match}/
		3415	if exists $_->{match};
		3416	}
		3417	}
		3418
		3419	sub reload_facedata {
		3420	load_facedata "$DATADIR/facedata"
		3421	or die "unable to load facedata\n";
		3422	}
		3423
		3424	sub reload_archetypes {
		3425	load_resource_file "$DATADIR/archetypes"
		3426	or die "unable to load archetypes\n";
		3427	}
		3428
		3429	sub reload_treasures {
		3430	load_resource_file "$DATADIR/treasures"
		3431	or die "unable to load treasurelists\n";
		3432	}
		3433
		3434	sub reload_resources {
		3435	warn "reloading resource files...\n";
		3436
		3437	reload_facedata;
		3438	reload_archetypes;
		3439	reload_regions;
		3440	reload_treasures;
		3441
		3442	warn "finished reloading resource files\n";
		3443	}
		3444
		3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3449	or return;
2260		3450
2261	local $/;	3451	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
2263		3453
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3455
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3463	};
2274	warn $@ if $@;	3464	warn $@ if $@;
2275	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2276	}	3496	}
2277		3497
2278	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
2279	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3516	(async {
		3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
		3519	})->prio (Coro::PRIO_MAX);
2283	};	3520	};
2284		3521
2285	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
		3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
2287	load_extensions;	3541	load_extensions;
2288	Event::loop;	3542
		3543	utime time, time, $RUNTIMEFILE;
		3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
2289	}	3553	}
2290		3554
2291	#############################################################################	3555	#############################################################################
2292	# initialisation and cleanup	3556	# initialisation and cleanup
2293		3557
2294	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
2295	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
2302	},
2303	);	3564	};
		3565	}
		3566	}
		3567
		3568	sub write_runtime_sync {
		3569	# first touch the runtime file to show we are still running:
		3570	# the fsync below can take a very very long time.
		3571
		3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3573
		3574	my $guard = cf::lock_acquire "write_runtime";
		3575
		3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3577	or return;
		3578
		3579	my $value = $cf::RUNTIME + 90 + 10;
		3580	# 10 is the runtime save interval, for a monotonic clock
		3581	# 60 allows for the watchdog to kill the server.
		3582
		3583	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3584	and return;
		3585
		3586	# always fsync - this file is important
		3587	aio_fsync $fh
		3588	and return;
		3589
		3590	# touch it again to show we are up-to-date
		3591	aio_utime $fh, undef, undef;
		3592
		3593	close $fh
		3594	or return;
		3595
		3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3597	and return;
		3598
		3599	warn "runtime file written.\n";
		3600
2304	}	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
2305	}	3652	}
2306		3653
2307	sub emergency_save() {	3654	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
2309		3656
2310	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
2311		3658
2312	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
2313	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3673	$pl->save;
2321	}	3674	}
2322	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
2323		3676
2324	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3680	$map->valid or next;
2328	$map->save;	3681	$map->save;
2329	}	3682	}
2330	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
		3684
		3685	warn "emergency_perl_save: begin database checkpoint\n";
		3686	BDB::db_env_txn_checkpoint $DB_ENV;
		3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
2331	};	3692	};
2332		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
2333	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
2334	}	3700	}
2335		3701
		3702	sub post_cleanup {
		3703	my ($make_core) = @_;
		3704
		3705	warn Carp::longmess "post_cleanup backtrace"
		3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
		3736	}
		3737
2336	sub reload() {	3738	sub do_reload_perl() {
2337	# can/must only be called in main	3739	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3741	warn "can only reload from main coroutine";
2340	return;	3742	return;
2341	}	3743	}
2342		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
2343	warn "reloading...";	3750	warn "reloading...";
2344		3751
2345	my $guard = freeze_mainloop;	3752	warn "entering sync_job";
		3753
		3754	cf::sync_job {
		3755	cf::write_runtime_sync; # external watchdog should not bark
2346	cf::emergency_save;	3756	cf::emergency_save;
		3757	cf::write_runtime_sync; # external watchdog should not bark
2347		3758
2348	eval {	3759	warn "syncing database to disk";
		3760	BDB::db_env_txn_checkpoint $DB_ENV;
		3761
2349	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
2350		3763
2351	# cancel all watchers	3764	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3765	while (IO::AIO::nreqs || BDB::nreqs) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();
2359
2360	# unload all extensions
2361	for (@exts) {
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365
2366	# unload all modules loaded from $LIBDIR
2367	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370	warn "removing <$k>";
2371	delete $INC{$k};
2372
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {
2377	$cb->();
2378	}	3767	}
2379		3768
2380	Symbol::delete_package $k;	3769	warn "cancelling all extension coros";
		3770	$_->cancel for values %EXT_CORO;
		3771	%EXT_CORO = ();
		3772
		3773	warn "removing commands";
		3774	%COMMAND = ();
		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
		3782	warn "... unloading $pkg";
		3783
		3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
		3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
2381	}	3793	}
2382		3794
2383	# sync database to disk	3795	warn "unloading all perl modules loaded from $LIBDIR";
2384	cf::db_sync;	3796	while (my ($k, $v) = each %INC) {
2385	IO::AIO::flush;	3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
		3810	}
		3811
2387	# get rid of safe::, as good as possible	3812	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3815
2391	# remove register_script_function callbacks	3816	warn "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
		3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3819
2397	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3821	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
2400		3823
2401	# reload cf.pm	3824	warn "unload completed, starting to reload now";
		3825
2402	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
2403	require cf;	3827	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
2405		3829
2406	# load config and database again	3830	warn "loading config and database again";
2407	cf::cfg_load;	3831	cf::reload_config;
2408	cf::db_load;
2409		3832
2410	# load extensions
2411	warn "load extensions";	3833	warn "loading extensions";
2412	cf::load_extensions;	3834	cf::load_extensions;
2413		3835
2414	# reattach attachments to objects	3836	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3837	warn "reattaching attachments to objects/players";
2416	_global_reattach;	3838	_global_reattach; # objects, sockets
		3839	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
		3841	warn "reattaching attachments to players";
		3842	reattach $_ for values %PLAYER;
		3843	}
		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
		3848	warn "leaving sync_job";
		3849
		3850	1
		3851	} or do {
		3852	warn $@;
		3853	cf::cleanup "error while reloading, exiting.";
		3854	};
		3855
		3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
		3862	};
		3863
		3864	our $RELOAD_WATCHER; # used only during reload
		3865
		3866	sub reload_perl() {
		3867	# doing reload synchronously and two reloads happen back-to-back,
		3868	# coro crashes during coro_state_free->destroy here.
		3869
		3870	$RELOAD_WATCHER ||= cf::async {
		3871	Coro::AIO::aio_wait cache_extensions;
		3872
		3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3874	do_reload_perl;
		3875	undef $RELOAD_WATCHER;
		3876	};
2418	};	3877	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3878	}
2471
2472	register "<global>", __PACKAGE__;
2473		3879
2474	register_command "reload" => sub {	3880	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
2476		3882
2477	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
		3887	reload_perl;
		3888	};
2481	}	3889	}
2482	};	3890	};
2483		3891
2484	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
2485		3893
2486	$TICK_WATCHER = Event->timer (	3894	my $bug_warning = 0;
2487	reentrant => 0,	3895
2488	prio => 0,	3896	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3897	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3898
2491	cb => sub {	3899	sub wait_for_tick {
		3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3901
		3902	my $signal = new Coro::Signal;
		3903	push @WAIT_FOR_TICK, $signal;
		3904	$signal->wait;
		3905	}
		3906
		3907	sub wait_for_tick_begin {
		3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3909
		3910	my $signal = new Coro::Signal;
		3911	push @WAIT_FOR_TICK_BEGIN, $signal;
		3912	$signal->wait;
		3913	}
		3914
		3915	sub tick {
		3916	if ($Coro::current != $Coro::main) {
		3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3918	unless ++$bug_warning > 10;
		3919	return;
		3920	}
		3921
2492	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		3923
2496	$WAIT_FOR_TICK->broadcast;	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498		3925
2499	# if we are delayed by four ticks or more, skip them all	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		3928	Coro::async_pool {
2502	$TICK_WATCHER->at ($NEXT_TICK);	3929	$Coro::current->{desc} = "runtime saver";
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3930	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3931	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3932	};
2526	},	3933	}
2527	);	3934
		3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3936	$sig->send;
		3937	}
		3938	while (my $sig = shift @WAIT_FOR_TICK) {
		3939	$sig->send;
		3940	}
		3941
		3942	$LOAD = ($NOW - $TICK_START) / $TICK;
		3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3944
		3945	if (0) {
		3946	if ($NEXT_TICK) {
		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
		3951	}
		3952	}
		3953
		3954	{
		3955	# configure BDB
		3956
		3957	BDB::min_parallel 16;
		3958	BDB::max_poll_reqs $TICK * 0.1;
		3959	$AnyEvent::BDB::WATCHER->priority (1);
		3960
		3961	unless ($DB_ENV) {
		3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3968
		3969	cf::sync_job {
		3970	eval {
		3971	BDB::db_env_open
		3972	$DB_ENV,
		3973	$BDBDIR,
		3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3976	0666;
		3977
		3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3979	};
		3980
		3981	cf::cleanup "db_env_open(db): $@" if $@;
		3982	};
		3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
		3994	}
		3995
		3996	{
		3997	# configure IO::AIO
		3998
		3999	IO::AIO::min_parallel 8;
		4000	IO::AIO::max_poll_time $TICK * 0.1;
		4001	undef $AnyEvent::AIO::WATCHER;
		4002	}
		4003
		4004	my $_log_backtrace;
		4005
		4006	sub _log_backtrace {
		4007	my ($msg, @addr) = @_;
		4008
		4009	$msg =~ s/\n//;
		4010
		4011	# limit the # of concurrent backtraces
		4012	if ($_log_backtrace < 2) {
		4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
		4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
		4018	my @bt = fork_call {
		4019	@addr = map { sprintf "%x", $_ } @addr;
		4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4022	or die "addr2line: $!";
		4023
		4024	my @funcs;
		4025	my @res = <$fh>;
		4026	chomp for @res;
		4027	while (@res) {
		4028	my ($func, $line) = splice @res, 0, 2, ();
		4029	push @funcs, "[$func] $line";
		4030	}
		4031
		4032	@funcs
		4033	};
		4034
		4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4037	LOG llevInfo, "[ABT] $_\n" for @bt;
		4038	--$_log_backtrace;
		4039	};
		4040	} else {
		4041	LOG llevInfo, "[ABT] $msg\n";
		4042	LOG llevInfo, "[ABT] [suppressed]\n";
		4043	}
		4044	}
		4045
		4046	# load additional modules
		4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
2528		4049
2529	END { cf::emergency_save }	4050	END { cf::emergency_save }
2530		4051
2531	1	4052	1
2532		4053

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