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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.519 by root, Fri Apr 16 02:32:25 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		137
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
64		150
65	binmode STDOUT;	151	binmode STDOUT;
66	binmode STDERR;	152	binmode STDERR;
67		153
68	# read virtual server time, if available	154	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
73	}	159	}
74		160
75	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		162
81	# a special map that is always available	163	mkdir $_
82	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
83	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		180
85	#############################################################################	181	#############################################################################
86		182
87	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
88		184
…		…
95	=item $cf::RUNTIME	191	=item $cf::RUNTIME
96		192
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	194	every server tick.
99		195
100	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		199
102	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
104		204
105	=item $cf::NOW	205	=item $cf::NOW
106		206
107	The time of the last (current) server tick.	207	The time of the last (current) server tick.
108		208
109	=item $cf::TICK	209	=item $cf::TICK
110		210
111	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
112		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
113	=item %cf::CFG	223	=item %cf::CFG
114		224
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	226	from wherever your confdir points to.
117		227
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		229
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
124		245
125	=back	246	=back
126		247
127	=cut	248	=cut
128		249
129	BEGIN {	250	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	251	my $msg = join "", @_;
132	utf8::encode $msg;
133		252
134	$msg .= "\n"	253	$msg .= "\n"
135	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
136		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
137	LOG llevError, $msg;	258	LOG llevError, $msg;
138	};	259	};
139	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
140		274
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		282
148	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	284	# within the Safe compartment.
150	for my $pkg (qw(	285	for my $pkg (qw(
151	cf::global cf::attachable	286	cf::global cf::attachable
152	cf::object cf::object::player	287	cf::object cf::object::player
153	cf::client cf::player	288	cf::client cf::player
154	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
155	cf::map cf::party cf::region	291	cf::party cf::region
156	)) {	292	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	294	}
160		295
161	$Event::DIED = sub {	296	$EV::DIED = sub {
162	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
163	};	298	};
		299
		300	#############################################################################
164		301
165	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
166		303
167	=over 4	304	=over 4
168		305
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	325	$d
189	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
190	}	327	}
191		328
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
195		330
196	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
197		332
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
206		334
207	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
208		336
209	=cut	337	=cut
210		338
211	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
213	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
214	}	356	}
215		357
216	=item cf::lock_wait $string	358	=item cf::lock_wait $string
217		359
218	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
219		361
220	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
221		363
222	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
225	returned.	367	returned.
226		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
227	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
229		374
230	=cut	375	=item $locked = cf::lock_active $string
231		376
232	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
233		382
234	sub lock_wait($) {	383	sub lock_wait($) {
235	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	385	}
243		386
244	sub lock_acquire($) {	387	sub lock_acquire($) {
245	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
246		390
247	# wait, to be sure we are not locked	391	sub lock_active($) {
248	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	393	}
257		394
258	sub freeze_mainloop {	395	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
260		397
261	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	399	}
263	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
264	}	481	}
265		482
266	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
267		484
268	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		490
274	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
275		492
276	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
277		494
278	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
281		499
282	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
285	fast or be very important.	503	fast or be very important.
…		…
288		506
289	sub sync_job(&) {	507	sub sync_job(&) {
290	my ($job) = @_;	508	my ($job) = @_;
291		509
292	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
293	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
295		515
296	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	517
298	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
299		519
300	my $busy = 1;	520	my $busy = 1;
301	my @res;	521	my @res;
302		522
303	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	525	@res = eval { $job->() };
305	warn $@ if $@;	526	warn $@ if $@;
306	undef $busy;	527	undef $busy;
307	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
308		529
309	while ($busy) {	530	while ($busy) {
310	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
311	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
312		541
313	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
314	} else {	543	} else {
315	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
316		545
…		…
336	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
337		566
338	$coro	567	$coro
339	}	568	}
340		569
341	sub write_runtime {	570	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		571
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
345	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
346		576
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		578
351	aio_fsync $fh	579	sub fork_call(&@) {
352	and return;	580	my ($cb, @args) = @_;
353		581
354	close $fh	582	# we seemingly have to make a local copy of the whole thing,
355	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
356		585
357	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
358	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
359		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
360	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	768	}
362		769
363	=back	770	=back
364		771
365	=cut	772	=cut
366		773
367	#############################################################################	774	#############################################################################
368		775
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530
531	#############################################################################
532
533	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
534		777
535	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
536	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
537	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
538		781
539	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
540	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
541	crossfire+).	784	Deliantra).
542		785
543	=over 4	786	=over 4
544		787
545	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
546		789
…		…
590	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
591		834
592	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
593	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
594		837
595	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
596	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
597		840
598	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
599		842
600	=over 4	843	=over 4
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	904	our @CB_MAP = ();
662		905
663	my %attachment;	906	my %attachment;
664		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
665	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
667		916
668	use sort 'stable';	917	use sort 'stable';
669		918
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
704		953
705	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		958
710	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	960	my $pkg = shift @arg;
712		961
713	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
743	}	992	}
744		993
745	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
746	} else {	995	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	997	}
749		998
750	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
751	}	1000	}
752		1001
…		…
754	if (ref $_[0]) {	1003	if (ref $_[0]) {
755	_object_attach @_;	1004	_object_attach @_;
756	} else {	1005	} else {
757	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
758	}	1007	}
		1008	_recalc_want;
759	};	1009	};
760		1010
761	# all those should be optimised	1011	# all those should be optimised
762	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
767	reattach ($obj);	1017	reattach ($obj);
768	} else {	1018	} else {
769	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
770	}	1020	}
		1021	_recalc_want;
771	};	1022	};
772		1023
773	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
775		1026
…		…
790	";	1041	";
791	die if $@;	1042	die if $@;
792	}	1043	}
793		1044
794	our $override;	1045	our $override;
795	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
796		1047
797	sub override {	1048	sub override {
798	$override = 1;	1049	$override = 1;
799	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
800	}	1051	}
801		1052
802	sub do_invoke {	1053	sub do_invoke {
803	my $event = shift;	1054	my $event = shift;
804	my $callbacks = shift;	1055	my $callbacks = shift;
805		1056
806	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
807		1058
808	local $override;	1059	local $override;
809		1060
810	for (@$callbacks) {	1061	for (@$callbacks) {
811	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
820	}	1071	}
821		1072
822	0	1073	0
823	}	1074	}
824		1075
825	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
826		1077
827	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
828		1079
829	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
830		1081
831	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
832	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
833	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
834		1085
835	=back	1086	=back
836		1087
837	=cut	1088	=cut
838		1089
839	#############################################################################	1090	#############################################################################
840	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
841		1134
842	sub reattach {	1135	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		1141
846	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
847		1143
848	@$registry = ();	1144	@$registry = ();
849		1145
…		…
864	cf::attachable->attach (	1160	cf::attachable->attach (
865	prio => -1000000,	1161	prio => -1000000,
866	on_instantiate => sub {	1162	on_instantiate => sub {
867	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
868		1164
869	$data = from_json $data;	1165	$data = decode_json $data;
870		1166
871	for (@$data) {	1167	for (@$data) {
872	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
873		1169
874	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
890	sub object_freezer_save {	1186	sub object_freezer_save {
891	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
892		1188
893	sync_job {	1189	sync_job {
894	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
895	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
896	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
897		1194
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
901	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
902	close $fh;	1202	aio_close $fh;
903		1203
904	if (@$objs) {	1204	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
909	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
910	close $fh;	1213	aio_close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
912	}	1215	}
913	} else {	1216	} else {
914	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
915	}	1218	}
916		1219
917	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
918	} else {	1224	} else {
919	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
920	}	1226	}
921	} else {	1227	} else {
922	aio_unlink $filename;	1228	aio_unlink $filename;
923	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
924	}	1230	}
925	}	1231	};
926	}	1232	}
927		1233
928	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
929	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
930		1236
…		…
942	or return;	1248	or return;
943		1249
944	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
945	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
946	or return;	1252	or return;
		1253
947	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
948	}	1256	}
949		1257
		1258	utf8::decode (my $decname = $filename);
950	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
952	return ($data, $av);	1262	($data, $av)
953	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
954		1270
955	#############################################################################	1271	#############################################################################
956	# command handling &c	1272	# command handling &c
957		1273
958	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1288	}
973		1289
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1291
976	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
977		1297
978	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
979	called.	1299	called.
980		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
981	=cut	1312	=cut
982		1313
983	sub register_extcmd {	1314	sub register_extcmd {
984	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
985		1316
986	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
987	}	1318	}
988		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
989	cf::player->attach (	1328	cf::player->attach (
990	on_command => sub {	1329	on_unknown_command => sub {
991	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
992		1331
993	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
994	or return;	1333	or return;
995		1334
…		…
1000	cf::override;	1339	cf::override;
1001	},	1340	},
1002	on_extcmd => sub {	1341	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
1004		1343
1005	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1345
1007	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
1010	$pl->ext_reply ($msg->{msgid}, %reply);
1011	}
1012	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1013	} else {	1361	} else {
1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1015	}	1363	}
1016		1364
1017	cf::override;	1365	cf::override;
1018	},	1366	},
1019	);	1367	);
1020		1368
		1369	# "readahead" all extensions
1021	sub load_extension {	1370	sub cache_extensions {
1022	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
1023		1372
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1025	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
1026	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1027	$pkg =~ s/[^[:word:]]/_/g;	1376	}
1028	$pkg = "ext::$pkg";	1377	};
1029		1378
1030	warn "... loading '$path' into '$pkg'\n";	1379	$grp
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}	1380	}
1047		1381
1048	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1049	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1387	next unless -r $path;
1051	eval {	1388
1052	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
1053	1	1449	}
1054	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
1055	}	1460	};
1056	}	1461	}
1057		1462
1058	#############################################################################	1463	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1464
1061	*cf::mapsupport::on_clean = sub {	1465	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1466
1074	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1075		1468
1076	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1077		1470
1078	=cut	1471	=cut
1079		1472
1080	package cf::player;	1473	package cf::player;
1081		1474
…		…
1083		1476
1084	=head3 cf::player	1477	=head3 cf::player
1085		1478
1086	=over 4	1479	=over 4
1087		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
1088	=item cf::player::find $login	1495	=item cf::player::find $login
1089		1496
1090	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1091		1498
1092	=cut	1499	=cut
1093		1500
1094	sub playerdir($) {	1501	sub playerdir($) {
1095	cf::localdir	1502	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1504	}
1101		1505
1102	sub path($) {	1506	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1508
1105	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
1106	}	1510	}
1107		1511
1108	sub find_active($) {	1512	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
1113		1517
1114	sub exists($) {	1518	sub exists($) {
1115	my ($login) = @_;	1519	my ($login) = @_;
1116		1520
1117	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
1119	}	1523	}
1120		1524
1121	sub find($) {	1525	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1527	my $login = $_[0];
1124		1528
1125	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
1126		1530
1127	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
1128	my $pl = load_pl path $login	1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
1129	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1130	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1131	}	1548	}
1132	}	1549	}
1133	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1134		1564
1135	sub save($) {	1565	sub save($) {
1136	my ($pl) = @_;	1566	my ($pl) = @_;
1137		1567
1138	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1143	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1144		1574
1145	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1146	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1147		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1148	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1149	Coro::cede;	1584	cf::cede_to_tick;
1150	}	1585	}
1151		1586
1152	sub new($) {	1587	sub new($) {
1153	my ($login) = @_;	1588	my ($login) = @_;
1154		1589
…		…
1160	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1161		1596
1162	$self	1597	$self
1163	}	1598	}
1164		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1165	=item $pl->quit_character	1610	=item $pl->quit_character
1166		1611
1167	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1168	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1169		1614
1170	=cut	1615	=cut
1171		1616
1172	sub quit_character {	1617	sub quit_character {
1173	my ($pl) = @_;	1618	my ($pl) = @_;
1174		1619
		1620	my $name = $pl->ob->name;
		1621
1175	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1177		1624
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1179	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1180	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1181	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1182		1631
1183	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
1188	IO::AIO::aio_rmtree $temp;	1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
1189	}	1658	}
1190		1659
1191	=item cf::player::list_logins	1660	=item cf::player::list_logins
1192		1661
1193	Returns am arrayref of all valid playernames in the system, can take a	1662	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1195		1664
1196	=cut	1665	=cut
1197		1666
1198	sub list_logins {	1667	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1669	or return [];
1201		1670
1202	my @logins;	1671	my @logins;
1203		1672
1204	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1205	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1206	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1207	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1208		1683
1209	utf8::decode $login;	1684	utf8::decode $login;
1210	push @logins, $login;	1685	push @logins, $login;
1211	}	1686	}
1212		1687
1213	\@logins	1688	\@logins
1214	}	1689	}
1215		1690
1216	=item $player->maps	1691	=item $player->maps
1217		1692
1218	Returns an arrayref of cf::path's of all maps that are private for this	1693	Returns an arrayref of map paths that are private for this
1219	player. May block.	1694	player. May block.
1220		1695
1221	=cut	1696	=cut
1222		1697
1223	sub maps($) {	1698	sub maps($) {
1224	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1702
1226	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1227	or return;	1704	or return;
1228		1705
1229	my @paths;	1706	my @paths;
…		…
1231	for (@$files) {	1708	for (@$files) {
1232	utf8::decode $_;	1709	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1711	next unless /^$PATH_SEP/o;
1235		1712
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1713	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1714	}
1238		1715
1239	\@paths	1716	\@paths
1240	}	1717	}
1241		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1243		1724
1244	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1245		1726
1246	=cut	1727	=cut
1247		1728
1248	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1249	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1250		1731
1251	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1252
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1733	}
1255		1734
1256	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1257		1775
1258	=back	1776	=back
1259
1260		1777
1261	=head3 cf::map	1778	=head3 cf::map
1262		1779
1263	=over 4	1780	=over 4
1264		1781
…		…
1267	package cf::map;	1784	package cf::map;
1268		1785
1269	use Fcntl;	1786	use Fcntl;
1270	use Coro::AIO;	1787	use Coro::AIO;
1271		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1272	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1274		1795
1275	sub generate_random_map {	1796	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1277		1800
1278	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1802	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1286	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1287	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1814	)
1293	}	1815	}
1294		1816
1295	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;
1299		1818
1300	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1301	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1302	}	1821	default).
1303		1822
1304	sub load_map_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1305	my ($path) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
		1854
		1855	# map plan:
		1856	#
		1857	# /! non-realised random map exit (special hack!)
		1858	# {... are special paths that are not being touched
		1859	# ?xxx/... are special absolute paths
		1860	# ?random/... random maps
		1861	# /... normal maps
		1862	# ~user/... per-player map of a specific user
		1863
		1864	$path =~ s/$PATH_SEP/\//go;
		1865
		1866	# treat it as relative path if it starts with
		1867	# something that looks reasonable
		1868	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1869	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1870
		1871	$base =~ s{[^/]+/?$}{};
		1872	$path = "$base/$path";
		1873	}
		1874
		1875	for ($path) {
		1876	redo if s{//}{/};
		1877	redo if s{/\.?/}{/};
		1878	redo if s{/[^/]+/\.\./}{/};
		1879	}
		1880
		1881	$path
		1882	}
		1883
		1884	sub new_from_path {
		1885	my (undef, $path, $base) = @_;
		1886
		1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1888
		1889	$path = normalise $path, $base;
		1890
		1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1893	my $self = bless cf::map::new, $pkg;
		1894	$self->{path} = $path; $self->path ($path);
		1895	$self->init; # pass $1 etc.
		1896	return $self;
		1897	}
		1898	}
		1899
		1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1901	()
		1902	}
		1903
		1904	sub init {
		1905	my ($self) = @_;
		1906
		1907	$self
		1908	}
		1909
		1910	sub as_string {
		1911	my ($self) = @_;
		1912
		1913	"$self->{path}"
		1914	}
		1915
		1916	# the displayed name, this is a one way mapping
		1917	sub visible_name {
		1918	&as_string
		1919	}
		1920
		1921	# the original (read-only) location
		1922	sub load_path {
		1923	my ($self) = @_;
		1924
		1925	"$MAPDIR/$self->{path}.map"
		1926	}
		1927
		1928	# the temporary/swap location
		1929	sub save_path {
		1930	my ($self) = @_;
		1931
		1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$TMPDIR/$path.map"
		1934	}
		1935
		1936	# the unique path, undef == no special unique path
		1937	sub uniq_path {
		1938	my ($self) = @_;
		1939
		1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1941	"$UNIQUEDIR/$path"
		1942	}
		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
		1960	sub load_header_from($) {
		1961	my ($self, $path) = @_;
1306		1962
1307	utf8::encode $path;	1963	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1309	or return;	1965	or return;
1310		1966
1311	my $map = cf::map::new	1967	$self->_load_header ($f)
1312	or return;	1968	or return;
1313		1969
1314	# for better error messages only, will be overwritten later	1970	local $MAP_LOADING{$self->{path}} = $self;
1315	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1316		1972
1317	$map->load_header ($path)	1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1318	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1319		2019
1320	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1321		2022
1322	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1323	}	2027	}
1324		2028
1325	sub find;	2029	sub find;
1326	sub find {	2030	sub find {
1327	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1328		2032
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		2034
1334	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1335
1336	$cf::MAP{$key} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1338		2037
1339	# do it the slow way	2038	$cf::MAP{$path} || do {
1340	my $map = $path->load_temp;	2039	my $map = new_from_path cf::map $path
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	2040	or return;
1353		2041
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1366		2043
1367	Coro::cede;	2044	$map->load_header
		2045	or return;
1368		2046
1369	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1370	$map->reset;	2052	$map->reset;
1371	undef $guard;
1372	$map = find $path	2053	return find $path;
1373	or return;
1374	}	2054	}
1375		2055
1376	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1377	}	2057	}
1378	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1379		2062
1380	sub load {	2063	sub load {
1381	my ($self) = @_;	2064	my ($self) = @_;
1382		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1383	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1385		2072
		2073	return unless $self->valid;
1386	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1387		2075
1388	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1389		2077
1390	$self->alloc;	2078	$self->alloc;
1391	$self->load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1392	or return;	2086	or return;
1393		2087
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1395	if delete $self->{load_original};	2089	if delete $self->{load_original};
1396		2090
1397	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	2092	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1400	$self->clear_unique_items;	2095	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1402	}	2099	}
1403	}	2100	}
1404		2101
1405	Coro::cede;	2102	$f->resolve_delayed_derefs;
1406		2103
		2104	cf::cede_to_tick;
1407	# now do the right thing for maps	2105	# now do the right thing for maps
1408	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	2108	unless $self->difficulty;
		2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1420	$self->activate;	2116	$self->activate;
1421	}	2117	}
1422		2118
1423	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1424		2121
1425	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
		2131	sub customise_for {
		2132	my ($self, $ob) = @_;
		2133
		2134	return find "~" . $ob->name . "/" . $self->{path}
		2135	if $self->per_player;
		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
		2140	$self
1426	}	2141	}
1427		2142
1428	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	2144	sub load_neighbours {
1430	my ($map) = @_;	2145	my ($map) = @_;
1431		2146
1432	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1433		2148
1434	for (0 .. 3) {	2149	for (0 .. 3) {
1435	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1436	or next;	2151	or next;
1437	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1438	or next;	2153	or next;
1439	$neigh->load;	2154	$neigh->load;
1440		2155
		2156	push @neigh,
1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1443	}	2159	}
1444		2160
1445	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1446	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1447	or next;	2164	or next;
1448	$neigh->load;	2165	$neigh->load;
1449	}	2166	}
1450	}	2167	}
1451		2168
…		…
1456	}	2173	}
1457		2174
1458	sub do_load_sync {	2175	sub do_load_sync {
1459	my ($map) = @_;	2176	my ($map) = @_;
1460		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1461	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1462	}	2182	}
1463		2183
1464	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
1465	our $MAP_PREFETCHER = Coro::async {	2198	$MAP_PREFETCHER ||= cf::async {
1466	while () {	2199	$Coro::current->{desc} = "map prefetcher";
		2200
1467	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1469	or next;	2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
1470	my $path = delete $MAP_PREFETCH{$key};	2207	delete $MAP_PREFETCH{$k};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}	2208	}
1476	Coro::schedule;	2209	}
		2210	undef $MAP_PREFETCHER;
1477	}	2211	};
1478	};
1479
1480	sub find_async {
1481	my ($path, $origin) = @_;
1482
1483	$path = new cf::path $path, $origin && $origin->path;
1484	my $key = $path->as_string;
1485
1486	if (my $map = $cf::MAP{$key}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}
1489
1490	$MAP_PREFETCH{$key} = $path;
1491	$MAP_PREFETCHER->ready;	2212	$MAP_PREFETCHER->prio (6);
1492		2213
1493	()	2214	()
		2215	}
		2216
		2217	# common code, used by both ->save and ->swapout
		2218	sub _save {
		2219	my ($self) = @_;
		2220
		2221	$self->{last_save} = $cf::RUNTIME;
		2222
		2223	return unless $self->dirty;
		2224
		2225	my $save = $self->save_path; utf8::encode $save;
		2226	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2227
		2228	$self->{load_path} = $save;
		2229
		2230	return if $self->{deny_save};
		2231
		2232	local $self->{last_access} = $self->last_access;#d#
		2233
		2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
		2236	$_->contr->save for $self->players;
		2237	};
		2238
		2239	cf::get_slot 0.02;
		2240
		2241	if ($uniq) {
		2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2244	} else {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2246	}
1494	}	2247	}
1495		2248
1496	sub save {	2249	sub save {
1497	my ($self) = @_;	2250	my ($self) = @_;
1498		2251
1499	my $lock = cf::lock_acquire "map_data:" . $self->path;	2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
1500		2253
1501	$self->{last_save} = $cf::RUNTIME;	2254	$self->_save;
1502
1503	return unless $self->dirty;
1504
1505	my $save = $self->{path}->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1507
1508	$self->{load_path} = $save;
1509
1510	return if $self->{deny_save};
1511
1512	local $self->{last_access} = $self->last_access;#d#
1513
1514	cf::async {
1515	$_->contr->save for $self->players;
1516	};
1517
1518	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}
1524	}	2255	}
1525		2256
1526	sub swap_out {	2257	sub swap_out {
1527	my ($self) = @_;	2258	my ($self) = @_;
1528		2259
1529	# save first because save cedes
1530	$self->save;
1531
1532	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1533		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1534	return if $self->players;	2264	return if $self->players;
1535	return if $self->in_memory != cf::MAP_IN_MEMORY;
1536	return if $self->{deny_save};
1537		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1538	$self->clear;	2275	$self->clear;
1539	$self->in_memory (cf::MAP_SWAPPED);
1540	}	2276	}
1541		2277
1542	sub reset_at {	2278	sub reset_at {
1543	my ($self) = @_;	2279	my ($self) = @_;
1544		2280
1545	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1548		2283
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		2286
…		…
1556	my ($self) = @_;	2291	my ($self) = @_;
1557		2292
1558	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1559	}	2294	}
1560		2295
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2296	sub reset {
1575	my ($self) = @_;	2297	my ($self) = @_;
1576		2298
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2300
1579	return if $self->players;	2301	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2302
1582	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
		2304
		2305	$self->in_memory (cf::MAP_SWAPPED);
		2306
		2307	# need to save uniques path
		2308	unless ($self->{deny_save}) {
		2309	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2310
		2311	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2312	if $uniq;
		2313	}
1583		2314
1584	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1585		2316
		2317	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2318	$_->clear_links_to ($self) for values %cf::MAP;
		2319	$self->clear;
1587		2320
1588	$self->{path}->unlink_save;	2321	$self->unlink_save;
1589	$self->destroy;	2322	$self->destroy;
1590	}	2323	}
1591		2324
1592	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1593		2326
1594	sub nuke {	2327	sub nuke {
1595	my ($self) = @_;	2328	my ($self) = @_;
1596		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
		2333	delete $cf::MAP{$self->path};
		2334
		2335	$self->unlink_save;
		2336
		2337	bless $self, "cf::map";
		2338	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1600	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
1601	}	2347	}
1602		2348
1603	sub customise_for {	2349	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2350
1606	if ($map->per_player) {	2351	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
1608	}	2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
1609		2366
1610	$map	2367	=item $maps = cf::map::random_maps
		2368
		2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
		2371
		2372	=cut
		2373
		2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
1611	}	2383	}
1612		2384
1613	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1614		2386
1615	Returns an arrayref of cf::path's of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2388	instantiated unique items. May block.
1617		2389
1618	=cut	2390	=cut
1619		2391
1620	sub unique_maps() {	2392	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2393	[
1622	or return;	2394	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2395	utf8::decode $_;
1628	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2398	? ()
1631	push @paths, new cf::path $_;	2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2401	]
1633
1634	\@paths
1635	}	2402	}
1636		2403
1637	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
1638		2435
1639	=back	2436	=back
1640		2437
1641	=head3 cf::object	2438	=head3 cf::object
1642		2439
…		…
1646		2443
1647	=over 4	2444	=over 4
1648		2445
1649	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1650		2447
1651	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
1652		2450
1653	=cut	2451	=cut
1654		2452
1655	sub inv_recursive_;	2453	sub inv_recursive_;
1656	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1659		2457
1660	sub inv_recursive {	2458	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1662	}	2460	}
1663		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
1664	package cf;	2490	package cf;
1665		2491
1666	=back	2492	=back
1667		2493
1668	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1677		2503
1678	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1679		2519
1680	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2521	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1685		2525
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2527
1688	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1690	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1693	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1694	}	2553	}
1695		2554
1696	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1697		2556
1698	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1711		2570
1712	=item $player_object->enter_link	2571	=item $player_object->enter_link
1713		2572
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2574
1716	The player should be reaosnably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
		2579
		2580	Will never block.
1718		2581
1719	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1720		2583
1721	Moves the player out of the specila link map onto the given map. If the	2584	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2585	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2586	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2587	fails, to the emergency map position.
1725		2588
1726	Might block.	2589	Might block.
1727		2590
1728	=cut	2591	=cut
		2592
		2593	sub link_map {
		2594	unless ($LINK_MAP) {
		2595	$LINK_MAP = cf::map::find "{link}"
		2596	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2597	$LINK_MAP->load;
		2598	}
		2599
		2600	$LINK_MAP
		2601	}
1729		2602
1730	sub cf::object::player::enter_link {	2603	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2604	my ($self) = @_;
1732		2605
1733	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1734		2607
1735	return if $self->map == $LINK_MAP;	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2609
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1739		2612
1740	$self->enter_map ($LINK_MAP, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2614	}
1742		2615
1743	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1745		2620
1746	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1747		2622
1748	unless ($map) {	2623	unless ($map) {
1749	# restore original map position	2624	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1762		2637
1763	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1766		2641
1767	$map->load;	2642	$map->load;
1768	$map->load_diag;	2643	$map->load_neighbours;
1769		2644
1770	return unless $self->contr->active;	2645	return unless $self->contr->active;
		2646
		2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2651	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2652	}
1774		2653
1775	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2655
1779	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1783	};	2660	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2661
1789	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2664
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1810		2668
1811	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2671
1814	$path = new cf::path $path;	2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2674
1816	$self->enter_link;	2675	$self->enter_link;
1817		2676
1818	(async {	2677	(async {
1819	my $map = cf::map::find $path->as_string;	2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
		2699	my $map = eval {
		2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1821		2704	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
1826		2708
		2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
		2715	}
		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1828	})->prio (1);	2723	})->prio (1);
1829	}	2724	}
1830		2725
1831	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1832		2727
…		…
1834		2729
1835	sub parse_random_map_params {	2730	sub parse_random_map_params {
1836	my ($spec) = @_;	2731	my ($spec) = @_;
1837		2732
1838	my $rmp = { # defaults	2733	my $rmp = { # defaults
1839	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1841	};	2738	};
1842		2739
1843	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1845		2742
…		…
1857	# that depends on the exit object	2754	# that depends on the exit object
1858		2755
1859	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1860		2757
1861	if ($exit->map) {	2758	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1866	}	2765	}
1867		2766
1868	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1869		2768
1870	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1872		2772
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
		2775	undef $fh;
		2776	aio_rename "$meta~", $meta;
1875		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1878	}	2784	}
1879	}	2785	}
1880		2786
1881	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1885		2791
1886	$self->enter_link;	2792	$self->enter_link;
1887		2793
1888	(async {	2794	(async {
1889	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1890	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
1891	prepare_random_map $exit	2804	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1893		2807
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1896		2811
		2812	$self->goto ($map, $x, $y);
		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
1897	1;	2818	1
1898	}) {	2819	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2824
1904	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2826	$self->leave_link;
1906	}	2827	}
1907	})->prio (1);	2828	})->prio (1);
…		…
1920		2841
1921	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1923		2844
1924	utf8::encode $text;	2845	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2847	}
1927		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
		3036	=item $client->ext_msg ($type, @msg)
		3037
		3038	Sends an ext event to the client.
		3039
		3040	=cut
		3041
		3042	sub cf::client::ext_msg($$@) {
		3043	my ($self, $type, @msg) = @_;
		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
		3048	push @msg, msgtype => "event_$type";
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
		3069	}
1928		3070
1929	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1930		3072
1931	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		3076
1935	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	3078	become reliable at some point in the future.
1937		3079
1938	=cut	3080	=cut
1939		3081
1940	sub cf::client::query {	3082	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3091	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3093
1952	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1954	}	3098	}
1955		3099
1956	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1957	on_reply => sub {	3106	on_reply => sub {
1958	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1959		3108
1960	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1961	# get handled first	3110	# get handled first
1962	my $queue = delete $ns->{query_queue}	3111	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3113
1965	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3116
1967	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1968		3118
1969	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3120	if (@$queue) {
…		…
1972	} else {	3122	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3124	}
1975	}	3125	}
1976	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
1977	);	3153	);
1978		3154
1979	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
1980		3156
1981	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3173
1998	$coro	3174	$coro
1999	}	3175	}
2000		3176
2001	cf::client->attach (	3177	cf::client->attach (
2002	on_destroy => sub {	3178	on_client_destroy => sub {
2003	my ($ns) = @_;	3179	my ($ns) = @_;
2004		3180
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3182	},
2007	);	3183	);
…		…
2022	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2024		3200
2025	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2026		3202
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2028		3208
2029	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2030		3210
2031	=pod	3211	=pod
2032		3212
2033	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2034		3214
2035	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2036	cf::object::player player	3220	cf::object::player
2037	cf::player peaceful	3221	player
2038	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2039		3228
2040	=cut	3229	=cut
2041		3230
2042	for (	3231	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2047	) {	3238	) {
2048	no strict 'refs';	3239	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2068		3259
2069	my $qcode = $code;	3260	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2072		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2073	local $_;	3267	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3268
2076	my $eval =	3269	my $eval =
2077	"do {\n"	3270	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3273	. $code
2081	. "\n}"	3274	. "\n}"
2082	;	3275	;
2083		3276
		3277	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2087		3286
2088	if ($@) {	3287	if ($@) {
2089	warn "$@";	3288	warn "$@";
2090	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2091	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2110	=cut	3309	=cut
2111		3310
2112	sub register_script_function {	3311	sub register_script_function {
2113	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2114		3313
2115	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2117	}	3316	}
2118		3317
2119	=back	3318	=back
2120		3319
2121	=cut	3320	=cut
2122		3321
2123	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
2124		3324
2125	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
2126		3327
2127	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
2129	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3331
2131	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3333
2134	=over 4	3334	warn "loading facedata from $path\n";
2135		3335
2136	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
2137		3339
2138	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3341
2142	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3344
2144	Returns a single value from the database	3345	# patch in the exptable
2145		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
2147		3348	type => FT_RSRC,
2148	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3351	};
		3352	cf::cede_to_tick;
2197		3353
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
2202		3356
2203	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3359
2209	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3364
2218	cf::global->attach (	3365	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3366	}
2223	);
2224	}
2225		3367
2226	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3369	next unless $info->{smooth};
2228		3370
2229	sub cfg_load {	3371	my $idx = cf::face::find $face
		3372	or next;
		3373
		3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
		3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3377	} else {
		3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3379	}
		3380
		3381	cf::cede_to_tick;
		3382	}
		3383	}
		3384
		3385	{
		3386	my $anims = $facedata->{animinfo};
		3387
		3388	while (my ($anim, $info) = each %$anims) {
		3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3390	cf::cede_to_tick;
		3391	}
		3392
		3393	cf::anim::invalidate_all; # d'oh
		3394	}
		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
		3415	1
		3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
		3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
		3461	load_resource_file "$MAPDIR/regions"
		3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
		3468	}
		3469
		3470	sub reload_facedata {
		3471	load_facedata "$DATADIR/facedata"
		3472	or die "unable to load facedata\n";
		3473	}
		3474
		3475	sub reload_archetypes {
		3476	load_resource_file "$DATADIR/archetypes"
		3477	or die "unable to load archetypes\n";
		3478	}
		3479
		3480	sub reload_treasures {
		3481	load_resource_file "$DATADIR/treasures"
		3482	or die "unable to load treasurelists\n";
		3483	}
		3484
		3485	sub reload_resources {
		3486	warn "reloading resource files...\n";
		3487
		3488	reload_facedata;
		3489	reload_archetypes;
		3490	reload_regions;
		3491	reload_treasures;
		3492
		3493	warn "finished reloading resource files\n";
		3494	}
		3495
		3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3500	or return;
2232		3501
2233	local $/;	3502	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2235		3504
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3506
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2244	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2245	};	3514	};
2246	warn $@ if $@;	3515	warn $@ if $@;
2247	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2248	}	3547	}
2249		3548
2250	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2251	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3562	(async {
		3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
2255	};	3566	};
2256		3567
2257	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
		3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2259	load_extensions;	3591	load_extensions;
2260	Event::loop;	3592
		3593	utime time, time, $RUNTIMEFILE;
		3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2261	}	3606	}
2262		3607
2263	#############################################################################	3608	#############################################################################
2264	# initialisation and cleanup	3609	# initialisation and cleanup
2265		3610
2266	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2267	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2274	},
2275	);	3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
2276	}	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2277	}	3707	}
2278		3708
2279	sub emergency_save() {	3709	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2281		3711
2282	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2283		3713
2284	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2285	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3728	$pl->save;
2293	}	3729	}
2294	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2295		3731
2296	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3735	$map->valid or next;
2300	$map->save;	3736	$map->save;
2301	}	3737	}
2302	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
		3739
		3740	warn "emergency_perl_save: begin database checkpoint\n";
		3741	BDB::db_env_txn_checkpoint $DB_ENV;
		3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2303	};	3747	};
2304		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2305	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2306	}	3755	}
2307		3756
		3757	sub post_cleanup {
		3758	my ($make_core) = @_;
		3759
		3760	warn Carp::longmess "post_cleanup backtrace"
		3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	warn "cleared package $pkg\n";#d#
		3791	}
		3792
2308	sub reload() {	3793	sub do_reload_perl() {
2309	# can/must only be called in main	3794	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3796	warn "can only reload from main coroutine";
2312	return;	3797	return;
2313	}	3798	}
2314		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2315	warn "reloading...";	3805	warn "reloading...";
2316		3806
2317	warn "freezing server";	3807	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3808
		3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3811	cf::emergency_save;
		3812	cf::write_runtime_sync; # external watchdog should not bark
2320		3813
2321	warn "sync database to disk";	3814	warn "syncing database to disk";
2322	cf::db_sync;	3815	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3816
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2327		3818
2328	warn "cancel all watchers";	3819	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3822	}
2353		3823
		3824	warn "cancelling all extension coros";
		3825	$_->cancel for values %EXT_CORO;
		3826	%EXT_CORO = ();
		3827
		3828	warn "removing commands";
		3829	%COMMAND = ();
		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3837	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3838
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
2369	$cb->();	3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2370	}	3848	}
2371		3849
2372	Symbol::delete_package $k;	3850	warn "unloading all perl modules loaded from $LIBDIR";
		3851	while (my ($k, $v) = each %INC) {
		3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
2373	}	3865	}
2374		3866
2375	warn "get rid of safe::, as good as possible";	3867	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3870
2379	warn "unload cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
		3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3874
2382	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3876	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2385		3878
		3879	warn "unload completed, starting to reload now";
		3880
2386	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2387	require cf;	3882	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2389		3884
2390	warn "load config and database again";	3885	warn "loading config and database again";
2391	cf::cfg_load;	3886	cf::reload_config;
2392	cf::db_load;
2393		3887
2394	warn "load extensions";	3888	warn "loading extensions";
2395	cf::load_extensions;	3889	cf::load_extensions;
2396		3890
		3891	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3893	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3894	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
		3896	warn "reattaching attachments to players";
		3897	reattach $_ for values %PLAYER;
		3898	}
		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
		3903	warn "leaving sync_job";
		3904
		3905	1
		3906	} or do {
		3907	warn $@;
		3908	cf::cleanup "error while reloading, exiting.";
		3909	};
		3910
		3911	warn "reloaded";
		3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
		3917	};
		3918
		3919	our $RELOAD_WATCHER; # used only during reload
		3920
		3921	sub reload_perl() {
		3922	# doing reload synchronously and two reloads happen back-to-back,
		3923	# coro crashes during coro_state_free->destroy here.
		3924
		3925	$RELOAD_WATCHER ||= cf::async {
		3926	Coro::AIO::aio_wait cache_extensions;
		3927
		3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3929	do_reload_perl;
		3930	undef $RELOAD_WATCHER;
		3931	};
2401	};	3932	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3933	}
2454		3934
2455	register_command "reload" => sub {	3935	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2457		3937
2458	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
		3942	reload_perl;
		3943	};
2462	}	3944	}
2463	};	3945	};
2464		3946
2465	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2466		3948
2467	$TICK_WATCHER = Event->timer (	3949	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3950
		3951	our @WAIT_FOR_TICK;
		3952	our @WAIT_FOR_TICK_BEGIN;
		3953
		3954	sub wait_for_tick {
		3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3956
		3957	my $signal = new Coro::Signal;
		3958	push @WAIT_FOR_TICK, $signal;
		3959	$signal->wait;
		3960	}
		3961
		3962	sub wait_for_tick_begin {
		3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3964
		3965	my $signal = new Coro::Signal;
		3966	push @WAIT_FOR_TICK_BEGIN, $signal;
		3967	$signal->wait;
		3968	}
		3969
		3970	sub tick {
		3971	if ($Coro::current != $Coro::main) {
		3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3973	unless ++$bug_warning > 10;
		3974	return;
		3975	}
		3976
2475	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		3978
2479	$WAIT_FOR_TICK->broadcast;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481		3980
2482	# if we are delayed by four ticks or more, skip them all	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2484		3983	Coro::async_pool {
2485	$TICK_WATCHER->at ($NEXT_TICK);	3984	$Coro::current->{desc} = "runtime saver";
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3985	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3987	};
2509	},	3988	}
2510	);	3989
		3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3991	$sig->send;
		3992	}
		3993	while (my $sig = shift @WAIT_FOR_TICK) {
		3994	$sig->send;
		3995	}
		3996
		3997	$LOAD = ($NOW - $TICK_START) / $TICK;
		3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3999
		4000	if (0) {
		4001	if ($NEXT_TICK) {
		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
		4006	}
		4007	}
		4008
		4009	{
		4010	# configure BDB
		4011
		4012	BDB::min_parallel 16;
		4013	BDB::max_poll_reqs $TICK * 0.1;
		4014	$AnyEvent::BDB::WATCHER->priority (1);
		4015
		4016	unless ($DB_ENV) {
		4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4023
		4024	cf::sync_job {
		4025	eval {
		4026	BDB::db_env_open
		4027	$DB_ENV,
		4028	$BDBDIR,
		4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4031	0666;
		4032
		4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4034	};
		4035
		4036	cf::cleanup "db_env_open(db): $@" if $@;
		4037	};
		4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
		4049	}
		4050
		4051	{
		4052	# configure IO::AIO
		4053
		4054	IO::AIO::min_parallel 8;
		4055	IO::AIO::max_poll_time $TICK * 0.1;
		4056	undef $AnyEvent::AIO::WATCHER;
		4057	}
		4058
		4059	my $_log_backtrace;
		4060
		4061	sub _log_backtrace {
		4062	my ($msg, @addr) = @_;
		4063
		4064	$msg =~ s/\n//;
		4065
		4066	# limit the # of concurrent backtraces
		4067	if ($_log_backtrace < 2) {
		4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
		4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
		4073	my @bt = fork_call {
		4074	@addr = map { sprintf "%x", $_ } @addr;
		4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4077	or die "addr2line: $!";
		4078
		4079	my @funcs;
		4080	my @res = <$fh>;
		4081	chomp for @res;
		4082	while (@res) {
		4083	my ($func, $line) = splice @res, 0, 2, ();
		4084	push @funcs, "[$func] $line";
		4085	}
		4086
		4087	@funcs
		4088	};
		4089
		4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4092	LOG llevInfo, "[ABT] $_\n" for @bt;
		4093	--$_log_backtrace;
		4094	};
		4095	} else {
		4096	LOG llevInfo, "[ABT] $msg\n";
		4097	LOG llevInfo, "[ABT] [suppressed]\n";
		4098	}
		4099	}
		4100
		4101	# load additional modules
		4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
2511		4104
2512	END { cf::emergency_save }	4105	END { cf::emergency_save }
2513		4106
2514	1	4107	1
2515		4108

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