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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	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
48	our $NEXT_TICK;	115	our $NEXT_TICK;
49	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);
50		124
51	our %CFG;	125	our %CFG;
52		126
53	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
55		130
56	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		134
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $REALLY_UNLOOP; # never set to true, please :)
63		147
64	binmode STDOUT;	148	binmode STDOUT;
65	binmode STDERR;	149	binmode STDERR;
66		150
67	# read virtual server time, if available	151	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
72	}	156	}
73		157
74	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		159
80	# a special map that is always available	160	mkdir $_
81	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
82	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::"} };
83		177
84	#############################################################################	178	#############################################################################
85		179
86	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
87		181
…		…
94	=item $cf::RUNTIME	188	=item $cf::RUNTIME
95		189
96	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
97	every server tick.	191	every server tick.
98		192
99	=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
100		196
101	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		201
104	=item $cf::NOW	202	=item $cf::NOW
105		203
106	The time of the last (current) server tick.	204	The time of the last (current) server tick.
107		205
108	=item $cf::TICK	206	=item $cf::TICK
109		207
110	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
111		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
112	=item %cf::CFG	220	=item %cf::CFG
113		221
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	223	from wherever your confdir points to.
116		224
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		226
119	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
120	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
121	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.
122	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.
123		242
124	=back	243	=back
125		244
126	=cut	245	=cut
127		246
128	BEGIN {	247	$Coro::State::WARNHOOK = sub {
129	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	248	my $msg = join "", @_;
131	utf8::encode $msg;
132		249
133	$msg .= "\n"	250	$msg .= "\n"
134	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
135		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
136	LOG llevError, $msg;	255	LOG llevError, $msg;
137	};	256	};
138	}	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	};
139		271
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		279
147	# 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
148	# within the Safe compartment.	281	# within the Safe compartment.
149	for my $pkg (qw(	282	for my $pkg (qw(
150	cf::global cf::attachable	283	cf::global cf::attachable
151	cf::object cf::object::player	284	cf::object cf::object::player
152	cf::client cf::player	285	cf::client cf::player
153	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
154	cf::map cf::party cf::region	288	cf::party cf::region
155	)) {	289	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	291	}
159		292
160	$Event::DIED = sub {	293	$EV::DIED = sub {
161	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
162	};	295	};
		296
		297	#############################################################################
163		298
164	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
165		300
166	=over 4	301	=over 4
167		302
…		…
186	$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;
187	$d	322	$d
188	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
189	}	324	}
190		325
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
194		327
195	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
196		329
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
205		331
206	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
207		333
208	=cut	334	=cut
209		335
210	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
212	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;
213	}	353	}
214		354
215	=item cf::lock_wait $string	355	=item cf::lock_wait $string
216		356
217	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
218		358
219	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
220		360
221	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
222	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,
223	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
224	returned.	364	returned.
225		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
226	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
227	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
228		371
229	=cut	372	=item $locked = cf::lock_active $string
230		373
231	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
232		379
233	sub lock_wait($) {	380	sub lock_wait($) {
234	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	382	}
242		383
243	sub lock_acquire($) {	384	sub lock_acquire($) {
244	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
245		387
246	# wait, to be sure we are not locked	388	sub lock_active($) {
247	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	390	}
256		391
257	sub freeze_mainloop {	392	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
259		394
260	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	396	}
262	$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	$sig->wait;
263	}	478	}
264		479
265	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
266		481
267	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		487
273	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
274		489
275	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
276		491
277	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
280		496
281	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
284	fast or be very important.	500	fast or be very important.
…		…
287		503
288	sub sync_job(&) {	504	sub sync_job(&) {
289	my ($job) = @_;	505	my ($job) = @_;
290		506
291	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
292	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
294		512
295	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	514
297	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
298		516
299	my $busy = 1;	517	my $busy = 1;
300	my @res;	518	my @res;
301		519
302	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	522	@res = eval { $job->() };
304	warn $@ if $@;	523	warn $@ if $@;
305	undef $busy;	524	undef $busy;
306	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
307		526
308	while ($busy) {	527	while ($busy) {
309	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
310	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
311		538
312	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
313	} else {	540	} else {
314	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
315		542
…		…
335	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
336		563
337	$coro	564	$coro
338	}	565	}
339		566
340	sub write_runtime {	567	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		568
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
344	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.
345		573
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		575
350	aio_fsync $fh	576	sub fork_call(&@) {
351	and return;	577	my ($cb, @args) = @_;
352		578
353	close $fh	579	# we seemingly have to make a local copy of the whole thing,
354	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
355		582
356	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
357	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
358		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
359	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 });
360	}	754	}
361		755
362	=back	756	=back
363		757
364	=cut	758	=cut
365		759
366	#############################################################################	760	#############################################################################
367		761
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
496		763
497	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
498	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")
499	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
500		767
501	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>
502	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
503	crossfire+).	770	Deliantra).
504		771
505	=over 4	772	=over 4
506		773
507	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
508		775
…		…
552	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
553		820
554	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
556		823
557	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
558	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.
559		826
560	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
561		828
562	=over 4	829	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	890	our @CB_MAP = ();
624		891
625	my %attachment;	892	my %attachment;
626		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
627	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
629		902
630	use sort 'stable';	903	use sort 'stable';
631		904
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
666		939
667	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		944
672	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	946	my $pkg = shift @arg;
674		947
675	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
705	}	978	}
706		979
707	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
708	} else {	981	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	983	}
711		984
712	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
713	}	986	}
714		987
…		…
716	if (ref $_[0]) {	989	if (ref $_[0]) {
717	_object_attach @_;	990	_object_attach @_;
718	} else {	991	} else {
719	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
720	}	993	}
		994	_recalc_want;
721	};	995	};
722		996
723	# all those should be optimised	997	# all those should be optimised
724	sub cf::attachable::detach {	998	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1003	reattach ($obj);
730	} else {	1004	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
732	}	1006	}
		1007	_recalc_want;
733	};	1008	};
734		1009
735	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
737		1012
…		…
752	";	1027	";
753	die if $@;	1028	die if $@;
754	}	1029	}
755		1030
756	our $override;	1031	our $override;
757	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?
758		1033
759	sub override {	1034	sub override {
760	$override = 1;	1035	$override = 1;
761	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
762	}	1037	}
763		1038
764	sub do_invoke {	1039	sub do_invoke {
765	my $event = shift;	1040	my $event = shift;
766	my $callbacks = shift;	1041	my $callbacks = shift;
767		1042
768	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
769		1044
770	local $override;	1045	local $override;
771		1046
772	for (@$callbacks) {	1047	for (@$callbacks) {
773	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
782	}	1057	}
783		1058
784	0	1059	0
785	}	1060	}
786		1061
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1063
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1065
791	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
792		1067
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1071
797	=back	1072	=back
798		1073
799	=cut	1074	=cut
800		1075
801	#############################################################################	1076	#############################################################################
802	# 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	}
803		1120
804	sub reattach {	1121	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
806	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
807		1127
808	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
809		1129
810	@$registry = ();	1130	@$registry = ();
811		1131
…		…
826	cf::attachable->attach (	1146	cf::attachable->attach (
827	prio => -1000000,	1147	prio => -1000000,
828	on_instantiate => sub {	1148	on_instantiate => sub {
829	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
830		1150
831	$data = from_json $data;	1151	$data = decode_json $data;
832		1152
833	for (@$data) {	1153	for (@$data) {
834	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
835		1155
836	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1172	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
854		1174
855	sync_job {	1175	sync_job {
856	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
859		1180
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$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;
863	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
864	close $fh;	1188	aio_close $fh;
865		1189
866	if (@$objs) {	1190	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	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;
871	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
872	close $fh;	1199	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
874	}	1201	}
875	} else {	1202	} else {
876	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
877	}	1204	}
878		1205
879	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1210	} else {
881	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
882	}	1212	}
883	} else {	1213	} else {
884	aio_unlink $filename;	1214	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
886	}	1216	}
887	}	1217	};
888	}	1218	}
889		1219
890	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
892		1222
…		…
904	or return;	1234	or return;
905		1235
906	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
908	or return;	1238	or return;
		1239
909	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
910	}	1242	}
911		1243
		1244	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
914	return ($data, $av);	1248	($data, $av)
915	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
916		1256
917	#############################################################################	1257	#############################################################################
918	# command handling &c	1258	# command handling &c
919		1259
920	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1274	}
935		1275
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1277
938	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.
939		1283
940	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
941	called.	1285	called.
942		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
943	=cut	1298	=cut
944		1299
945	sub register_extcmd {	1300	sub register_extcmd {
946	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
947		1302
948	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
949	}	1304	}
950		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
951	cf::player->attach (	1314	cf::player->attach (
952	on_command => sub {	1315	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
954		1317
955	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
956	or return;	1319	or return;
957		1320
…		…
962	cf::override;	1325	cf::override;
963	},	1326	},
964	on_extcmd => sub {	1327	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
966		1329
967	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1331
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
975	} else {	1347	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1349	}
978		1350
979	cf::override;	1351	cf::override;
980	},	1352	},
981	);	1353	);
982		1354
		1355	# "readahead" all extensions
983	sub load_extension {	1356	sub cache_extensions {
984	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
985		1358
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1362	}
990	$pkg = "ext::$pkg";	1363	};
991		1364
992	warn "loading '$path' into '$pkg'\n";	1365	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1366	}
1009		1367
1010	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1011	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1373	next unless -r $path;
1013	eval {	1374
1014	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 $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
1015	1	1435	}
1016	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
1017	}	1446	};
1018	}	1447	}
1019		1448
1020	#############################################################################	1449	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1450
1023	*cf::mapsupport::on_clean = sub {	1451	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1452
1036	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1037		1454
1038	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1039		1456
1040	=cut	1457	=cut
1041		1458
1042	package cf::player;	1459	package cf::player;
1043		1460
…		…
1045		1462
1046	=head3 cf::player	1463	=head3 cf::player
1047		1464
1048	=over 4	1465	=over 4
1049		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
1050	=item cf::player::find $login	1481	=item cf::player::find $login
1051		1482
1052	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1053		1484
1054	=cut	1485	=cut
1055		1486
1056	sub playerdir($) {	1487	sub playerdir($) {
1057	cf::localdir	1488	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1490	}
1063		1491
1064	sub path($) {	1492	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1494
1067	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
1068	}	1496	}
1069		1497
1070	sub find_active($) {	1498	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1075		1503
1076	sub exists($) {	1504	sub exists($) {
1077	my ($login) = @_;	1505	my ($login) = @_;
1078		1506
1079	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1081	}	1509	}
1082		1510
1083	sub find($) {	1511	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1513	my $login = $_[0];
1086		1514
1087	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1088		1516
1089	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1093	}	1534	}
1094	}	1535	}
1095	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1096		1550
1097	sub save($) {	1551	sub save($) {
1098	my ($pl) = @_;	1552	my ($pl) = @_;
1099		1553
1100	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1105	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1106		1560
1107	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1109		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1110	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1111	Coro::cede;	1570	cf::cede_to_tick;
1112	}	1571	}
1113		1572
1114	sub new($) {	1573	sub new($) {
1115	my ($login) = @_;	1574	my ($login) = @_;
1116		1575
…		…
1122	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1123		1582
1124	$self	1583	$self
1125	}	1584	}
1126		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1127	=item $pl->quit_character	1596	=item $pl->quit_character
1128		1597
1129	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1131		1600
1132	=cut	1601	=cut
1133		1602
1134	sub quit_character {	1603	sub quit_character {
1135	my ($pl) = @_;	1604	my ($pl) = @_;
1136		1605
		1606	my $name = $pl->ob->name;
		1607
1137	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1610
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1144		1617
1145	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1620	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1621	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1622	$pl->destroy;
		1623
		1624	my $prefix = qr<^~\Q$name\E/>;
		1625
		1626	# nuke player maps
		1627	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1628
1150	IO::AIO::aio_rmtree $temp;	1629	IO::AIO::aio_rmtree $temp;
		1630	}
		1631
		1632	=item $pl->kick
		1633
		1634	Kicks a player out of the game. This destroys the connection.
		1635
		1636	=cut
		1637
		1638	sub kick {
		1639	my ($pl, $kicker) = @_;
		1640
		1641	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1642	$pl->killer ("kicked");
		1643	$pl->ns->destroy;
1151	}	1644	}
1152		1645
1153	=item cf::player::list_logins	1646	=item cf::player::list_logins
1154		1647
1155	Returns am arrayref of all valid playernames in the system, can take a	1648	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1649	while and may block, so not sync_job-capable, ever.
1157		1650
1158	=cut	1651	=cut
1159		1652
1160	sub list_logins {	1653	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1654	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1655	or return [];
1163		1656
1164	my @logins;	1657	my @logins;
1165		1658
1166	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1170		1669
1171	utf8::decode $login;	1670	utf8::decode $login;
1172	push @logins, $login;	1671	push @logins, $login;
1173	}	1672	}
1174		1673
1175	\@logins	1674	\@logins
1176	}	1675	}
1177		1676
1178	=item $player->maps	1677	=item $player->maps
1179		1678
1180	Returns an arrayref of cf::path's of all maps that are private for this	1679	Returns an arrayref of map paths that are private for this
1181	player. May block.	1680	player. May block.
1182		1681
1183	=cut	1682	=cut
1184		1683
1185	sub maps($) {	1684	sub maps($) {
1186	my ($pl) = @_;	1685	my ($pl) = @_;
		1686
		1687	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1688
1188	my $files = aio_readdir playerdir $pl	1689	my $files = aio_readdir playerdir $pl
1189	or return;	1690	or return;
1190		1691
1191	my @paths;	1692	my @paths;
…		…
1193	for (@$files) {	1694	for (@$files) {
1194	utf8::decode $_;	1695	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1696	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1197		1698
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1699	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1700	}
1200		1701
1201	\@paths	1702	\@paths
1202	}	1703	}
1203		1704
		1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1706
		1707	Expand deliantra pod fragments into protocol xml.
		1708
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1205		1710
1206	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1207		1712
1208	=cut	1713	=cut
1209		1714
1210	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1212		1717
1213	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1719	}
1217		1720
1218	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1219		1761
1220	=back	1762	=back
1221
1222		1763
1223	=head3 cf::map	1764	=head3 cf::map
1224		1765
1225	=over 4	1766	=over 4
1226		1767
…		…
1229	package cf::map;	1770	package cf::map;
1230		1771
1231	use Fcntl;	1772	use Fcntl;
1232	use Coro::AIO;	1773	use Coro::AIO;
1233		1774
		1775	use overload
		1776	'""' => \&as_string,
		1777	fallback => 1;
		1778
1234	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1236		1781
1237	sub generate_random_map {	1782	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1786
1240	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1788	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1799	(cf::region::find $rmp->{region}), $rmp->{custom}
		1800	)
1254	}	1801	}
1255		1802
1256	# and all this just because we cannot iterate over	1803	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1804
1261	$_->change_map_light ($change)	1805	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1806	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1807	default).
1264		1808
1265	sub try_load_header($) {	1809	=cut
		1810
		1811	sub register {
		1812	my (undef, $regex, $prio) = @_;
		1813	my $pkg = caller;
		1814
		1815	no strict;
		1816	push @{"$pkg\::ISA"}, __PACKAGE__;
		1817
		1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1819	}
		1820
		1821	# also paths starting with '/'
		1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1823
		1824	sub thawer_merge {
		1825	my ($self, $merge) = @_;
		1826
		1827	# we have to keep some variables in memory intact
		1828	local $self->{path};
		1829	local $self->{load_path};
		1830
		1831	$self->SUPER::thawer_merge ($merge);
		1832	}
		1833
		1834	sub normalise {
1266	my ($path) = @_;	1835	my ($path, $base) = @_;
		1836
		1837	$path = "$path"; # make sure its a string
		1838
		1839	$path =~ s/\.map$//;
		1840
		1841	# map plan:
		1842	#
		1843	# /! non-realised random map exit (special hack!)
		1844	# {... are special paths that are not being touched
		1845	# ?xxx/... are special absolute paths
		1846	# ?random/... random maps
		1847	# /... normal maps
		1848	# ~user/... per-player map of a specific user
		1849
		1850	$path =~ s/$PATH_SEP/\//go;
		1851
		1852	# treat it as relative path if it starts with
		1853	# something that looks reasonable
		1854	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1855	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1856
		1857	$base =~ s{[^/]+/?$}{};
		1858	$path = "$base/$path";
		1859	}
		1860
		1861	for ($path) {
		1862	redo if s{//}{/};
		1863	redo if s{/\.?/}{/};
		1864	redo if s{/[^/]+/\.\./}{/};
		1865	}
		1866
		1867	$path
		1868	}
		1869
		1870	sub new_from_path {
		1871	my (undef, $path, $base) = @_;
		1872
		1873	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1874
		1875	$path = normalise $path, $base;
		1876
		1877	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1878	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1879	my $self = bless cf::map::new, $pkg;
		1880	$self->{path} = $path; $self->path ($path);
		1881	$self->init; # pass $1 etc.
		1882	return $self;
		1883	}
		1884	}
		1885
		1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1887	()
		1888	}
		1889
		1890	sub init {
		1891	my ($self) = @_;
		1892
		1893	$self
		1894	}
		1895
		1896	sub as_string {
		1897	my ($self) = @_;
		1898
		1899	"$self->{path}"
		1900	}
		1901
		1902	# the displayed name, this is a one way mapping
		1903	sub visible_name {
		1904	&as_string
		1905	}
		1906
		1907	# the original (read-only) location
		1908	sub load_path {
		1909	my ($self) = @_;
		1910
		1911	"$MAPDIR/$self->{path}.map"
		1912	}
		1913
		1914	# the temporary/swap location
		1915	sub save_path {
		1916	my ($self) = @_;
		1917
		1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1919	"$TMPDIR/$path.map"
		1920	}
		1921
		1922	# the unique path, undef == no special unique path
		1923	sub uniq_path {
		1924	my ($self) = @_;
		1925
		1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1927	"$UNIQUEDIR/$path"
		1928	}
		1929
		1930	sub decay_objects {
		1931	my ($self) = @_;
		1932
		1933	return if $self->{deny_reset};
		1934
		1935	$self->do_decay_objects;
		1936	}
		1937
		1938	sub unlink_save {
		1939	my ($self) = @_;
		1940
		1941	utf8::encode (my $save = $self->save_path);
		1942	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1943	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1944	}
		1945
		1946	sub load_header_from($) {
		1947	my ($self, $path) = @_;
1267		1948
1268	utf8::encode $path;	1949	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1270	or return;	1951	or return;
1271		1952
1272	my $map = cf::map::new	1953	$self->_load_header ($f)
1273	or return;	1954	or return;
1274		1955
1275	# for better error messages only, will be overwritten	1956	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1957	$f->resolve_delayed_derefs;
1277		1958
1278	$map->load_header ($path)	1959	$self->{load_path} = $path;
		1960
		1961	1
		1962	}
		1963
		1964	sub load_header_orig {
		1965	my ($self) = @_;
		1966
		1967	$self->load_header_from ($self->load_path)
		1968	}
		1969
		1970	sub load_header_temp {
		1971	my ($self) = @_;
		1972
		1973	$self->load_header_from ($self->save_path)
		1974	}
		1975
		1976	sub prepare_temp {
		1977	my ($self) = @_;
		1978
		1979	$self->last_access ((delete $self->{last_access})
		1980	|| $cf::RUNTIME); #d#
		1981	# safety
		1982	$self->{instantiate_time} = $cf::RUNTIME
		1983	if $self->{instantiate_time} > $cf::RUNTIME;
		1984	}
		1985
		1986	sub prepare_orig {
		1987	my ($self) = @_;
		1988
		1989	$self->{load_original} = 1;
		1990	$self->{instantiate_time} = $cf::RUNTIME;
		1991	$self->last_access ($cf::RUNTIME);
		1992	$self->instantiate;
		1993	}
		1994
		1995	sub load_header {
		1996	my ($self) = @_;
		1997
		1998	if ($self->load_header_temp) {
		1999	$self->prepare_temp;
		2000	} else {
		2001	$self->load_header_orig
1279	or return;	2002	or return;
		2003	$self->prepare_orig;
		2004	}
1280		2005
1281	$map->{load_path} = $path;	2006	$self->{deny_reset} = 1
		2007	if $self->no_reset;
1282		2008
1283	$map	2009	$self->default_region (cf::region::find_by_path $self->{path})
		2010	unless $self->default_region;
		2011
		2012	1
1284	}	2013	}
1285		2014
1286	sub find;	2015	sub find;
1287	sub find {	2016	sub find {
1288	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1289		2018
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2020
1295	cf::lock_wait "map_find:$key";	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2023
1300	# do it the slow way	2024	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2025	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2026	or return;
1319		2027
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1332		2029
1333	Coro::cede;	2030	$map->load_header
		2031	or return;
1334		2032
1335	if ($map->should_reset) {	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2034	# doing this can freeze the server in a sync job, obviously
		2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1336	$map->reset;	2038	$map->reset;
1337	undef $guard;
1338	$map = find $path	2039	return find $path;
1339	or return;
1340	}	2040	}
1341		2041
1342	$cf::MAP{$key} = $map	2042	$cf::MAP{$path} = $map
1343	}	2043	}
1344	}	2044	}
		2045
		2046	sub pre_load { }
		2047	#sub post_load { } # XS
1345		2048
1346	sub load {	2049	sub load {
1347	my ($self) = @_;	2050	my ($self) = @_;
1348		2051
		2052	local $self->{deny_reset} = 1; # loading can take a long time
		2053
1349	my $path = $self->{path};	2054	my $path = $self->{path};
		2055
		2056	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2057	my $guard = cf::lock_acquire "map_data:$path";
1351		2058
		2059	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2061
1354	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1355		2063
1356	$self->alloc;	2064	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2065
		2066	$self->pre_load;
		2067	cf::cede_to_tick;
		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
		2071	$self->_load_objects ($f)
1358	or return;	2072	or return;
1359		2073
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1361	if delete $self->{load_original};	2075	if delete $self->{load_original};
1362		2076
1363	if (my $uniq = $path->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2078	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2081	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1368	}	2085	}
1369	}	2086	}
1370		2087
1371	Coro::cede;	2088	$f->resolve_delayed_derefs;
1372		2089
		2090	cf::cede_to_tick;
1373	# now do the right thing for maps	2091	# now do the right thing for maps
1374	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2094	unless $self->difficulty;
		2095	cf::cede_to_tick;
		2096
		2097	unless ($self->{deny_activate}) {
		2098	$self->decay_objects;
		2099	$self->fix_auto_apply;
		2100	$self->update_buttons;
		2101	cf::cede_to_tick;
1386	$self->activate;	2102	$self->activate;
1387	}	2103	}
1388		2104
1389	Coro::cede;	2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
1390		2107
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
		2109	}
		2110
		2111	$self->post_load;
		2112	}
		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
		2117	sub customise_for {
		2118	my ($self, $ob) = @_;
		2119
		2120	return find "~" . $ob->name . "/" . $self->{path}
		2121	if $self->per_player;
		2122
		2123	# return find "?party/" . $ob->name . "/" . $self->{path}
		2124	# if $self->per_party;
		2125
		2126	$self
1392	}	2127	}
1393		2128
1394	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2130	sub load_neighbours {
1396	my ($map) = @_;	2131	my ($map) = @_;
1397		2132
1398	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1399		2134
1400	for (0 .. 3) {	2135	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1402	or next;	2137	or next;
1403	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1404	or next;	2139	or next;
1405	$neigh->load;	2140	$neigh->load;
1406		2141
		2142	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2145	}
1410		2146
1411	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1413	or next;	2150	or next;
1414	$neigh->load;	2151	$neigh->load;
1415	}	2152	}
1416	}	2153	}
1417		2154
…		…
1422	}	2159	}
1423		2160
1424	sub do_load_sync {	2161	sub do_load_sync {
1425	my ($map) = @_;	2162	my ($map) = @_;
1426		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1427	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1428	}	2168	}
1429		2169
1430	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
		2171	our $MAP_PREFETCHER = undef;
		2172
		2173	sub find_async {
		2174	my ($path, $origin, $load) = @_;
		2175
		2176	$path = normalise $path, $origin && $origin->{path};
		2177
		2178	if (my $map = $cf::MAP{$path}) {
		2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2180	}
		2181
		2182	$MAP_PREFETCH{$path} |= $load;
		2183
1431	our $MAP_PREFETCHER = Coro::async {	2184	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2185	$Coro::current->{desc} = "map prefetcher";
		2186
1433	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2189	if (my $map = find $k) {
		2190	$map->load if $v;
		2191	}
		2192
1436	my $path = delete $MAP_PREFETCH{$key};	2193	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2194	}
1442	Coro::schedule;	2195	}
		2196	undef $MAP_PREFETCHER;
1443	}	2197	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2198	$MAP_PREFETCHER->prio (6);
1458		2199
1459	()	2200	()
1460	}	2201	}
1461		2202
1462	sub save {	2203	sub save {
1463	my ($self) = @_;	2204	my ($self) = @_;
1464		2205
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2207
1467	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1468		2209
1469	return unless $self->dirty;	2210	return unless $self->dirty;
1470		2211
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2212	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2213	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2214
1474	$self->{load_path} = $save;	2215	$self->{load_path} = $save;
1475		2216
1476	return if $self->{deny_save};	2217	return if $self->{deny_save};
1477		2218
1478	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1479		2220
1480	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1482	};	2224	};
1483		2225
		2226	cf::get_slot 0.02;
		2227
1484	if ($uniq) {	2228	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2231	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2233	}
1490	}	2234	}
1491		2235
1492	sub swap_out {	2236	sub swap_out {
1493	my ($self) = @_;	2237	my ($self) = @_;
1494		2238
1495	# save first because save cedes	2239	# save first because save cedes
1496	$self->save;	2240	$self->save;
1497		2241
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2243
1500	return if $self->players;	2244	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2246	return if $self->{deny_save};
1503		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2252	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2253	}
1507		2254
1508	sub reset_at {	2255	sub reset_at {
1509	my ($self) = @_;	2256	my ($self) = @_;
1510		2257
1511	# TODO: safety, remove and allow resettable per-player maps	2258	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2259	return 1e99 if $self->{deny_reset};
1514		2260
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2261	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2262	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2263
…		…
1522	my ($self) = @_;	2268	my ($self) = @_;
1523		2269
1524	$self->reset_at <= $cf::RUNTIME	2270	$self->reset_at <= $cf::RUNTIME
1525	}	2271	}
1526		2272
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2273	sub reset {
1549	my ($self) = @_;	2274	my ($self) = @_;
1550		2275
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2277
1553	return if $self->players;	2278	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2279
1556	warn "resetting map ", $self->path;#d#	2280	warn "resetting map ", $self->path, "\n";
		2281
		2282	$self->in_memory (cf::MAP_SWAPPED);
		2283
		2284	# need to save uniques path
		2285	unless ($self->{deny_save}) {
		2286	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2287
		2288	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2289	if $uniq;
		2290	}
1557		2291
1558	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1559		2293
		2294	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->clear;
1561		2297
1562	$self->unlink_save;	2298	$self->unlink_save;
1563	$self->destroy;	2299	$self->destroy;
1564	}	2300	}
1565		2301
1566	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
1567		2303
1568	sub nuke {	2304	sub nuke {
1569	my ($self) = @_;	2305	my ($self) = @_;
1570		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
		2310	delete $cf::MAP{$self->path};
		2311
		2312	$self->unlink_save;
		2313
		2314	bless $self, "cf::map";
		2315	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2319
		2320	$cf::MAP{$self->path} = $self;
		2321	}
		2322
1574	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
1575	}	2324	}
1576		2325
1577	sub customise_for {	2326	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2327
1580	if ($map->per_player) {	2328	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2329	maps. May block.
		2330
		2331	=cut
		2332
		2333	sub tmp_maps() {
1582	}	2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	/\.map$/
		2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $TMPDIR or [] }
		2341	]
		2342	}
1583		2343
1584	$map	2344	=item $maps = cf::map::random_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	random maps. May block.
		2348
		2349	=cut
		2350
		2351	sub random_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise "?random/$_"
		2357	: ()
		2358	} @{ aio_readdir $RANDOMDIR or [] }
		2359	]
1585	}	2360	}
1586		2361
1587	=item cf::map::unique_maps	2362	=item cf::map::unique_maps
1588		2363
1589	Returns an arrayref of cf::path's of all shared maps that have	2364	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2365	instantiated unique items. May block.
1591		2366
1592	=cut	2367	=cut
1593		2368
1594	sub unique_maps() {	2369	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2370	[
1596	or return;	2371	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2372	utf8::decode $_;
1602	next if /\.pst$/;	2373	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2375	? ()
1605	push @paths, new cf::path $_;	2376	: normalise $_
		2377	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2378	]
1607
1608	\@paths
1609	}	2379	}
1610		2380
1611	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
1612		2412
1613	=back	2413	=back
1614		2414
1615	=head3 cf::object	2415	=head3 cf::object
1616		2416
…		…
1620		2420
1621	=over 4	2421	=over 4
1622		2422
1623	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
1624		2424
1625	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
1626		2427
1627	=cut	2428	=cut
1628		2429
1629	sub inv_recursive_;	2430	sub inv_recursive_;
1630	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
1633		2434
1634	sub inv_recursive {	2435	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
1636	}	2437	}
1637		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
1638	package cf;	2467	package cf;
1639		2468
1640	=back	2469	=back
1641		2470
1642	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
1651		2480
1652	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
1653		2496
1654	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2498	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
1659		2502
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2503	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2504
1662	if ($self->{record_replies}) {	2505	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2506	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2507
1664	} else {	2508	} else {
		2509	my $pl = $self->contr;
		2510
		2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2512	my $dialog = $pl->{npc_dialog};
		2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2514
		2515	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2518	}
1667	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
1668	}	2530	}
1669		2531
1670	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
1671		2533
1672	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
1685		2547
1686	=item $player_object->enter_link	2548	=item $player_object->enter_link
1687		2549
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2551
1690	The player should be reaosnably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
		2556
		2557	Will never block.
1692		2558
1693	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
1694		2560
1695	Moves the player out of the specila link map onto the given map. If the	2561	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2562	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2563	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2564	fails, to the emergency map position.
1699		2565
1700	Might block.	2566	Might block.
1701		2567
1702	=cut	2568	=cut
		2569
		2570	sub link_map {
		2571	unless ($LINK_MAP) {
		2572	$LINK_MAP = cf::map::find "{link}"
		2573	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2574	$LINK_MAP->load;
		2575	}
		2576
		2577	$LINK_MAP
		2578	}
1703		2579
1704	sub cf::object::player::enter_link {	2580	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2581	my ($self) = @_;
1706		2582
1707	$self->deactivate_recursive;	2583	$self->deactivate_recursive;
1708		2584
1709	return if $self->map == $LINK_MAP;	2585	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2586
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2587	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2588	if $self->map && $self->map->{path} ne "{link}";
1713		2589
1714	$self->enter_map ($LINK_MAP, 20, 20);	2590	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2591	}
1716		2592
1717	sub cf::object::player::leave_link {	2593	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2594	my ($self, $map, $x, $y) = @_;
		2595
		2596	return unless $self->contr->active;
1719		2597
1720	my $link_pos = delete $self->{_link_pos};	2598	my $link_pos = delete $self->{_link_pos};
1721		2599
1722	unless ($map) {	2600	unless ($map) {
1723	# restore original map position	2601	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
1736		2614
1737	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
1740		2618
1741	$map->load;	2619	$map->load;
1742	$map->load_diag;	2620	$map->load_neighbours;
1743		2621
1744	return unless $self->contr->active;	2622	return unless $self->contr->active;
		2623
		2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2628	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2629	}
1748		2630
1749	cf::player->attach (	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2632
1753	# abort map switching before logout	2633	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2634	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2635	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2636	the new (success) or old (failed) map position. In either case, $done will
1757	};	2637	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2638
1763	# try to abort aborted map switching on player login :)	2639	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2640	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2641
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2642	=cut
		2643
		2644	our $GOTOGEN;
1784		2645
1785	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2648
1788	$path = new cf::path $path;	2649	# do generation counting so two concurrent goto's will be executed in-order
		2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2651
1790	$self->enter_link;	2652	$self->enter_link;
1791		2653
1792	(async {	2654	(async {
1793	my $map = cf::map::find $path->as_string;	2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
		2676	my $map = eval {
		2677	my $map = defined $path ? cf::map::find $path : undef;
		2678
		2679	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2680	$map = $map->customise_for ($self);
1795		2681	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2682	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2684	}
1800		2685
		2686	$map
		2687	};
		2688
		2689	if ($@) {
		2690	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2691	LOG llevError | logBacktrace, Carp::longmess $@;
		2692	}
		2693
		2694	if ($gen == $self->{_goto_generation}) {
		2695	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
		2697	}
		2698
		2699	$done->() if $done;
1802	})->prio (1);	2700	})->prio (1);
1803	}	2701	}
1804		2702
1805	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
1806		2704
…		…
1808		2706
1809	sub parse_random_map_params {	2707	sub parse_random_map_params {
1810	my ($spec) = @_;	2708	my ($spec) = @_;
1811		2709
1812	my $rmp = { # defaults	2710	my $rmp = { # defaults
1813	xsize => 10,	2711	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2712	ysize => (cf::rndm 15, 40),
		2713	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2714	#layout => string,
1815	};	2715	};
1816		2716
1817	for (split /\n/, $spec) {	2717	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2718	my ($k, $v) = split /\s+/, $_, 2;
1819		2719
…		…
1831	# that depends on the exit object	2731	# that depends on the exit object
1832		2732
1833	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
1834		2734
1835	if ($exit->map) {	2735	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2736	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
1840	}	2742	}
1841		2743
1842	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
1843		2745
1844	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
		2748	my $meta = "$RANDOMDIR/$md5.meta";
1846		2749
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
		2752	undef $fh;
		2753	aio_rename "$meta~", $meta;
1849		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
1852	}	2761	}
1853	}	2762	}
1854		2763
1855	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
1859		2768
1860	$self->enter_link;	2769	$self->enter_link;
1861		2770
1862	(async {	2771	(async {
1863	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
1864	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
1865	prepare_random_map $exit	2781	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2782	if $exit->slaying eq "/!";
		2783	}
1867		2784
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
1870		2788
		2789	$self->goto ($map, $x, $y);
		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
1871	1;	2795	1
1872	}) {	2796	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2801
1878	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2803	$self->leave_link;
1880	}	2804	}
1881	})->prio (1);	2805	})->prio (1);
…		…
1894		2818
1895	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
1897		2821
1898	utf8::encode $text;	2822	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2824	}
1901		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
		2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2852
		2853	Send a drawinfo or msg packet to the client, formatting the msg for the
		2854	client if neccessary. C<$type> should be a string identifying the type of
		2855	the message, with C<log> being the default. If C<$color> is negative, suppress
		2856	the message unless the client supports the msg packet.
		2857
		2858	=cut
		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
		2974	sub cf::client::send_msg {
		2975	my ($self, $channel, $msg, $color, @extra) = @_;
		2976
		2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
		2979
		2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
		2994	}
		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
		3013	=item $client->ext_msg ($type, @msg)
		3014
		3015	Sends an ext event to the client.
		3016
		3017	=cut
		3018
		3019	sub cf::client::ext_msg($$@) {
		3020	my ($self, $type, @msg) = @_;
		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
		3025	push @msg, msgtype => "event_$type";
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
		3046	}
1902		3047
1903	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
1904		3049
1905	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3051	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3052	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3053
1909	Queries can fail, so check the return code. Or don't, as queries will become	3054	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3055	become reliable at some point in the future.
1911		3056
1912	=cut	3057	=cut
1913		3058
1914	sub cf::client::query {	3059	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3060	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3068	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3069	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3070
1926	$self->send_packet ($self->{query_queue}[0][0])	3071	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3072	if @{ $self->{query_queue} } == 1;
		3073
		3074	1
1928	}	3075	}
1929		3076
1930	cf::client->attach (	3077	cf::client->attach (
		3078	on_connect => sub {
		3079	my ($ns) = @_;
		3080
		3081	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3082	},
1931	on_reply => sub {	3083	on_reply => sub {
1932	my ($ns, $msg) = @_;	3084	my ($ns, $msg) = @_;
1933		3085
1934	# this weird shuffling is so that direct followup queries	3086	# this weird shuffling is so that direct followup queries
1935	# get handled first	3087	# get handled first
1936	my $queue = delete $ns->{query_queue}	3088	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3089	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3090
1939	(shift @$queue)->[1]->($msg);	3091	(shift @$queue)->[1]->($msg);
		3092	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3093
1941	push @{ $ns->{query_queue} }, @$queue;	3094	push @{ $ns->{query_queue} }, @$queue;
1942		3095
1943	if (@{ $ns->{query_queue} } == @$queue) {	3096	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3097	if (@$queue) {
…		…
1946	} else {	3099	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3100	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3101	}
1949	}	3102	}
1950	},	3103	},
		3104	on_exticmd => sub {
		3105	my ($ns, $buf) = @_;
		3106
		3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3108
		3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
		3117	if (my $cb = $EXTICMD{$type}) {
		3118	@reply = $cb->($ns, @payload);
		3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
		3124	} else {
		3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3126	}
		3127
		3128	cf::override;
		3129	},
1951	);	3130	);
1952		3131
1953	=item $client->async (\&cb)	3132	=item $client->async (\&cb)
1954		3133
1955	Create a new coroutine, running the specified callback. The coroutine will	3134	Create a new coroutine, running the specified callback. The coroutine will
…		…
1971		3150
1972	$coro	3151	$coro
1973	}	3152	}
1974		3153
1975	cf::client->attach (	3154	cf::client->attach (
1976	on_destroy => sub {	3155	on_client_destroy => sub {
1977	my ($ns) = @_;	3156	my ($ns) = @_;
1978		3157
1979	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980	},	3159	},
1981	);	3160	);
…		…
1996	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
1998		3177
1999	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2000		3179
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2002		3185
2003	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2004		3187
2005	=pod	3188	=pod
2006		3189
2007	The following fucntions and emthods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2008		3191
2009	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2010	cf::object::player player	3197	cf::object::player
2011	cf::player peaceful	3198	player
2012	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2013		3205
2014	=cut	3206	=cut
2015		3207
2016	for (	3208	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2021	) {	3215	) {
2022	no strict 'refs';	3216	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2042		3236
2043	my $qcode = $code;	3237	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2046		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2047	local $_;	3244	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3245
2050	my $eval =	3246	my $eval =
2051	"do {\n"	3247	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3250	. $code
2055	. "\n}"	3251	. "\n}"
2056	;	3252	;
2057		3253
		3254	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2061		3263
2062	if ($@) {	3264	if ($@) {
2063	warn "$@";	3265	warn "$@";
2064	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2065	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2084	=cut	3286	=cut
2085		3287
2086	sub register_script_function {	3288	sub register_script_function {
2087	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2088		3290
2089	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2091	}	3293	}
2092		3294
2093	=back	3295	=back
2094		3296
2095	=cut	3297	=cut
2096		3298
2097	#############################################################################	3299	#############################################################################
		3300	# the server's init and main functions
2098		3301
2099	=head2 EXTENSION DATABASE SUPPORT	3302	sub load_facedata($) {
		3303	my ($path) = @_;
2100		3304
2101	Crossfire maintains a very simple database for extension use. It can	3305	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3306	# for this (global event?)
2103	excludes objects.	3307	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3308
2105	The parameter C<$family> should best start with the name of the extension	3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3310
2108	=over 4	3311	warn "loading facedata from $path\n";
2109		3312
2110	=item $hashref = cf::db_get $family	3313	my $facedata;
		3314	0 < aio_load $path, $facedata
		3315	or die "$path: $!";
2111		3316
2112	Return a hashref for use by the extension C<$family>, which can be	3317	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3318
2116	=item $value = cf::db_get $family => $key	3319	$facedata->{version} == 2
		3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3321
2118	Returns a single value from the database	3322	# patch in the exptable
2119		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3324	$facedata->{resource}{"res/exp_table"} = {
2121		3325	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3326	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3327	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3328	};
		3329	cf::cede_to_tick;
2171		3330
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3331	{
		3332	my $faces = $facedata->{faceinfo};
2176		3333
2177	sub db_get($;$) {	3334	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3336
2183	sub db_put($$;$) {	3337	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3341
2192	cf::global->attach (	3342	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3343	}
2197	);
2198	}
2199		3344
2200	#############################################################################	3345	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3346	next unless $info->{smooth};
2202		3347
2203	sub cfg_load {	3348	my $idx = cf::face::find $face
		3349	or next;
		3350
		3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
		3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3354	} else {
		3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	{
		3363	my $anims = $facedata->{animinfo};
		3364
		3365	while (my ($anim, $info) = each %$anims) {
		3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3367	cf::cede_to_tick;
		3368	}
		3369
		3370	cf::anim::invalidate_all; # d'oh
		3371	}
		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
		3392	1
		3393	}
		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
		3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
		3438	load_resource_file "$MAPDIR/regions"
		3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
		3445	}
		3446
		3447	sub reload_facedata {
		3448	load_facedata "$DATADIR/facedata"
		3449	or die "unable to load facedata\n";
		3450	}
		3451
		3452	sub reload_archetypes {
		3453	load_resource_file "$DATADIR/archetypes"
		3454	or die "unable to load archetypes\n";
		3455	}
		3456
		3457	sub reload_treasures {
		3458	load_resource_file "$DATADIR/treasures"
		3459	or die "unable to load treasurelists\n";
		3460	}
		3461
		3462	sub reload_resources {
		3463	warn "reloading resource files...\n";
		3464
		3465	reload_facedata;
		3466	reload_archetypes;
		3467	reload_regions;
		3468	reload_treasures;
		3469
		3470	warn "finished reloading resource files\n";
		3471	}
		3472
		3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3477	or return;
2206		3478
2207	local $/;	3479	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2209		3481
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3483
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3491	};
2220	warn $@ if $@;	3492	warn $@ if $@;
2221	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3524	}
2223		3525
2224	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2225	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3544	(async {
		3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
		3547	})->prio (Coro::PRIO_MAX);
2229	};	3548	};
2230		3549
2231	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
		3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2233	load_extensions;	3568	load_extensions;
2234	Event::loop;	3569
		3570	utime time, time, $RUNTIMEFILE;
		3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2235	}	3580	}
2236		3581
2237	#############################################################################	3582	#############################################################################
2238	# initialisation and cleanup	3583	# initialisation and cleanup
2239		3584
2240	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2241	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2248	},
2249	);	3591	};
		3592	}
		3593	}
		3594
		3595	sub write_runtime_sync {
		3596	my $t0 = EV::time;
		3597
		3598	# first touch the runtime file to show we are still running:
		3599	# the fsync below can take a very very long time.
		3600
		3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3602
		3603	my $guard = cf::lock_acquire "write_runtime";
		3604
		3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3606	or return;
		3607
		3608	my $value = $cf::RUNTIME + 90 + 10;
		3609	# 10 is the runtime save interval, for a monotonic clock
		3610	# 60 allows for the watchdog to kill the server.
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	# touch it again to show we are up-to-date
		3620	aio_utime $fh, undef, undef;
		3621
		3622	close $fh
		3623	or return;
		3624
		3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3626	and return;
		3627
		3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3629
2250	}	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2251	}	3681	}
2252		3682
2253	sub emergency_save() {	3683	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2255		3685
2256	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2257		3687
2258	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2259	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3702	$pl->save;
2267	}	3703	}
2268	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2269		3705
2270	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3709	$map->valid or next;
2274	$map->save;	3710	$map->save;
2275	}	3711	}
2276	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
		3713
		3714	warn "emergency_perl_save: begin database checkpoint\n";
		3715	BDB::db_env_txn_checkpoint $DB_ENV;
		3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2277	};	3721	};
2278		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2279	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2280	}	3729	}
2281		3730
		3731	sub post_cleanup {
		3732	my ($make_core) = @_;
		3733
		3734	warn Carp::longmess "post_cleanup backtrace"
		3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
		3765	}
		3766
2282	sub reload() {	3767	sub do_reload_perl() {
2283	# can/must only be called in main	3768	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3770	warn "can only reload from main coroutine";
2286	return;	3771	return;
2287	}	3772	}
2288		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
2289	warn "reloading...";	3779	warn "reloading...";
2290		3780
2291	warn "freezing server";	3781	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3782
		3783	cf::sync_job {
		3784	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3785	cf::emergency_save;
		3786	cf::write_runtime_sync; # external watchdog should not bark
2294		3787
2295	warn "sync database to disk";	3788	warn "syncing database to disk";
2296	cf::db_sync;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3790
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2301		3792
2302	warn "cancel all watchers";	3793	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3796	}
2327		3797
2328	Symbol::delete_package $pkg;	3798	warn "cancelling all extension coros";
2329	}	3799	$_->cancel for values %EXT_CORO;
		3800	%EXT_CORO = ();
2330		3801
2331	warn "unload all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335	warn "removing <$k>";	3802	warn "removing commands";
2336	delete $INC{$k};	3803	%COMMAND = ();
2337		3804
2338	$k =~ s/\.pm$//;	3805	warn "removing ext/exti commands";
2339	$k =~ s/\//::/g;	3806	%EXTCMD = ();
		3807	%EXTICMD = ();
2340		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
		3811	warn "... unloading $pkg";
		3812
2341	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
2342	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2343	}	3822	}
2344		3823
2345	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
2346	}	3839	}
2347		3840
2348	warn "get rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3844
2352	warn "unload cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
		3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3848
2355	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3850	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2358		3852
		3853	warn "unload completed, starting to reload now";
		3854
2359	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2360	require cf;	3856	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2362		3858
2363	warn "load config and database again";	3859	warn "loading config and database again";
2364	cf::cfg_load;	3860	cf::reload_config;
2365	cf::db_load;
2366		3861
2367	warn "load extensions";	3862	warn "loading extensions";
2368	cf::load_extensions;	3863	cf::load_extensions;
2369		3864
		3865	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3867	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3868	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
		3870	warn "reattaching attachments to players";
		3871	reattach $_ for values %PLAYER;
		3872	}
		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
		3877	warn "leaving sync_job";
		3878
		3879	1
		3880	} or do {
		3881	warn $@;
		3882	cf::cleanup "error while reloading, exiting.";
		3883	};
		3884
		3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
		3891	};
		3892
		3893	our $RELOAD_WATCHER; # used only during reload
		3894
		3895	sub reload_perl() {
		3896	# doing reload synchronously and two reloads happen back-to-back,
		3897	# coro crashes during coro_state_free->destroy here.
		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
		3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3903	do_reload_perl;
		3904	undef $RELOAD_WATCHER;
		3905	};
2374	};	3906	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3907	}
2427		3908
2428	register_command "reload" => sub {	3909	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
2430		3911
2431	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
		3916	reload_perl;
		3917	};
2435	}	3918	}
2436	};	3919	};
2437		3920
2438	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
2439		3922
2440	$TICK_WATCHER = Event->timer (	3923	my $bug_warning = 0;
2441	reentrant => 0,	3924
2442	prio => 0,	3925	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3926	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3927
2445	cb => sub {	3928	sub wait_for_tick {
		3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3930
		3931	my $signal = new Coro::Signal;
		3932	push @WAIT_FOR_TICK, $signal;
		3933	$signal->wait;
		3934	}
		3935
		3936	sub wait_for_tick_begin {
		3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3938
		3939	my $signal = new Coro::Signal;
		3940	push @WAIT_FOR_TICK_BEGIN, $signal;
		3941	$signal->wait;
		3942	}
		3943
		3944	sub tick {
		3945	if ($Coro::current != $Coro::main) {
		3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3947	unless ++$bug_warning > 10;
		3948	return;
		3949	}
		3950
2446	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3952
2450	$WAIT_FOR_TICK->broadcast;	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452		3954
2453	# if we are delayed by four ticks or more, skip them all	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455		3957	Coro::async_pool {
2456	$TICK_WATCHER->at ($NEXT_TICK);	3958	$Coro::current->{desc} = "runtime saver";
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3959	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3960	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3961	};
2480	},	3962	}
2481	);	3963
		3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3965	$sig->send;
		3966	}
		3967	while (my $sig = shift @WAIT_FOR_TICK) {
		3968	$sig->send;
		3969	}
		3970
		3971	$LOAD = ($NOW - $TICK_START) / $TICK;
		3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3973
		3974	if (0) {
		3975	if ($NEXT_TICK) {
		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
		3980	}
		3981	}
		3982
		3983	{
		3984	# configure BDB
		3985
		3986	BDB::min_parallel 16;
		3987	BDB::max_poll_reqs $TICK * 0.1;
		3988	$AnyEvent::BDB::WATCHER->priority (1);
		3989
		3990	unless ($DB_ENV) {
		3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3997
		3998	cf::sync_job {
		3999	eval {
		4000	BDB::db_env_open
		4001	$DB_ENV,
		4002	$BDBDIR,
		4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4005	0666;
		4006
		4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4008	};
		4009
		4010	cf::cleanup "db_env_open(db): $@" if $@;
		4011	};
		4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
		4023	}
		4024
		4025	{
		4026	# configure IO::AIO
		4027
		4028	IO::AIO::min_parallel 8;
		4029	IO::AIO::max_poll_time $TICK * 0.1;
		4030	undef $AnyEvent::AIO::WATCHER;
		4031	}
		4032
		4033	my $_log_backtrace;
		4034
		4035	sub _log_backtrace {
		4036	my ($msg, @addr) = @_;
		4037
		4038	$msg =~ s/\n//;
		4039
		4040	# limit the # of concurrent backtraces
		4041	if ($_log_backtrace < 2) {
		4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
		4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
		4047	my @bt = fork_call {
		4048	@addr = map { sprintf "%x", $_ } @addr;
		4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4051	or die "addr2line: $!";
		4052
		4053	my @funcs;
		4054	my @res = <$fh>;
		4055	chomp for @res;
		4056	while (@res) {
		4057	my ($func, $line) = splice @res, 0, 2, ();
		4058	push @funcs, "[$func] $line";
		4059	}
		4060
		4061	@funcs
		4062	};
		4063
		4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4066	LOG llevInfo, "[ABT] $_\n" for @bt;
		4067	--$_log_backtrace;
		4068	};
		4069	} else {
		4070	LOG llevInfo, "[ABT] $msg\n";
		4071	LOG llevInfo, "[ABT] [suppressed]\n";
		4072	}
		4073	}
		4074
		4075	# load additional modules
		4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
2482		4078
2483	END { cf::emergency_save }	4079	END { cf::emergency_save }
2484		4080
2485	1	4081	1
2486		4082

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