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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 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 = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $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
45	our $NEXT_TICK;	118	our $NEXT_TICK;
46	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);
47		127
48	our %CFG;	128	our %CFG;
49		129
50	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
52		133
53	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		137
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
61		150
62	binmode STDOUT;	151	binmode STDOUT;
63	binmode STDERR;	152	binmode STDERR;
64		153
65	# read virtual server time, if available	154	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
70	}	159	}
71		160
72	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		162
78	# a special map that is always available	163	mkdir $_
79	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
80	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::"} };
81		180
82	#############################################################################	181	#############################################################################
83		182
84	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
85		184
…		…
92	=item $cf::RUNTIME	191	=item $cf::RUNTIME
93		192
94	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
95	every server tick.	194	every server tick.
96		195
97	=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
98		199
99	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		204
102	=item $cf::NOW	205	=item $cf::NOW
103		206
104	The time of the last (current) server tick.	207	The time of the last (current) server tick.
105		208
106	=item $cf::TICK	209	=item $cf::TICK
107		210
108	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
109		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
110	=item %cf::CFG	223	=item %cf::CFG
111		224
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	226	from wherever your confdir points to.
114		227
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		229
117	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
118	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
119	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.
120	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.
121		245
122	=back	246	=back
123		247
124	=cut	248	=cut
125		249
126	BEGIN {	250	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	251	my $msg = join "", @_;
129	utf8::encode $msg;
130		252
131	$msg .= "\n"	253	$msg .= "\n"
132	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
133		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
134	LOG llevError, $msg;	258	LOG llevError, $msg;
135	};	259	};
136	}	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	};
137		274
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		282
145	# 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
146	# within the Safe compartment.	284	# within the Safe compartment.
147	for my $pkg (qw(	285	for my $pkg (qw(
148	cf::global cf::attachable	286	cf::global cf::attachable
149	cf::object cf::object::player	287	cf::object cf::object::player
150	cf::client cf::player	288	cf::client cf::player
151	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
152	cf::map cf::party cf::region	291	cf::party cf::region
153	)) {	292	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	294	}
157		295
158	$Event::DIED = sub {	296	$EV::DIED = sub {
159	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
160	};	298	};
161		299
162	my %ext_pkg;	300	#############################################################################
163	my @exts;
164	my @hook;
165		301
166	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
167		303
168	=over 4	304	=over 4
169		305
…		…
188	$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;
189	$d	325	$d
190	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
191	}	327	}
192		328
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
196		330
197	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
198		332
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
207		334
208	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
209		336
210	=cut	337	=cut
211		338
212	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
214	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;
215	}	356	}
216		357
217	=item cf::lock_wait $string	358	=item cf::lock_wait $string
218		359
219	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
220		361
221	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
222		363
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
226	returned.	367	returned.
227		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
228	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
229	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
230		374
231	=cut	375	=item $locked = cf::lock_active $string
232		376
233	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
234		382
235	sub lock_wait($) {	383	sub lock_wait($) {
236	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	385	}
244		386
245	sub lock_acquire($) {	387	sub lock_acquire($) {
246	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
247		390
248	# wait, to be sure we are not locked	391	sub lock_active($) {
249	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	393	}
258		394
259	sub freeze_mainloop {	395	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
261		397
262	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	399	}
264	$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	$sig->wait;
265	}	481	}
266		482
267	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
268		484
269	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		490
275	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
276		492
277	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
278		494
279	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
282		499
283	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
286	fast or be very important.	503	fast or be very important.
…		…
289		506
290	sub sync_job(&) {	507	sub sync_job(&) {
291	my ($job) = @_;	508	my ($job) = @_;
292		509
293	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
294	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
296		515
297	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	517
299	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
300		519
301	my $busy = 1;	520	my $busy = 1;
302	my @res;	521	my @res;
303		522
304	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	525	@res = eval { $job->() };
306	warn $@ if $@;	526	warn $@ if $@;
307	undef $busy;	527	undef $busy;
308	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
309		529
310	while ($busy) {	530	while ($busy) {
311	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
312	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
313		541
314	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
315	} else {	543	} else {
316	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
317		545
…		…
319	}	547	}
320	}	548	}
321		549
322	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
323		551
324	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	553	extension calling this is being unloaded.
326		554
327	=cut	555	=cut
328		556
329	sub async_ext(&) {	557	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
338		566
339	$coro	567	$coro
340	}	568	}
341		569
342	sub write_runtime {	570	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		571
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
346	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.
347		576
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		578
352	aio_fsync $fh	579	sub fork_call(&@) {
353	and return;	580	my ($cb, @args) = @_;
354		581
355	close $fh	582	# we seemingly have to make a local copy of the whole thing,
356	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
357		585
358	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
359	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
360		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
361	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 });
362	}	768	}
363		769
364	=back	770	=back
365		771
366	=cut	772	=cut
367		773
368	#############################################################################	774	#############################################################################
369		775
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
493		777
494	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
495	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")
496	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
497		781
498	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>
499	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
500	crossfire+).	784	Deliantra).
501		785
502	=over 4	786	=over 4
503		787
504	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
505		789
…		…
549	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
550		834
551	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
553		837
554	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
555	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.
556		840
557	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
558		842
559	=over 4	843	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	904	our @CB_MAP = ();
621		905
622	my %attachment;	906	my %attachment;
623		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
624	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
626		916
627	use sort 'stable';	917	use sort 'stable';
628		918
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
663		953
664	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		958
669	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	960	my $pkg = shift @arg;
671		961
672	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
702	}	992	}
703		993
704	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
705	} else {	995	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	997	}
708		998
709	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
710	}	1000	}
711		1001
…		…
713	if (ref $_[0]) {	1003	if (ref $_[0]) {
714	_object_attach @_;	1004	_object_attach @_;
715	} else {	1005	} else {
716	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
717	}	1007	}
		1008	_recalc_want;
718	};	1009	};
719		1010
720	# all those should be optimised	1011	# all those should be optimised
721	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1017	reattach ($obj);
727	} else {	1018	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
729	}	1020	}
		1021	_recalc_want;
730	};	1022	};
731		1023
732	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
734		1026
…		…
749	";	1041	";
750	die if $@;	1042	die if $@;
751	}	1043	}
752		1044
753	our $override;	1045	our $override;
754	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?
755		1047
756	sub override {	1048	sub override {
757	$override = 1;	1049	$override = 1;
758	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
759	}	1051	}
760		1052
761	sub do_invoke {	1053	sub do_invoke {
762	my $event = shift;	1054	my $event = shift;
763	my $callbacks = shift;	1055	my $callbacks = shift;
764		1056
765	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
766		1058
767	local $override;	1059	local $override;
768		1060
769	for (@$callbacks) {	1061	for (@$callbacks) {
770	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
779	}	1071	}
780		1072
781	0	1073	0
782	}	1074	}
783		1075
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1077
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1079
788	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
789		1081
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1085
794	=back	1086	=back
795		1087
796	=cut	1088	=cut
797		1089
798	#############################################################################	1090	#############################################################################
799	# 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	}
800		1134
801	sub reattach {	1135	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
803	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
804		1141
805	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
806		1143
807	@$registry = ();	1144	@$registry = ();
808		1145
…		…
823	cf::attachable->attach (	1160	cf::attachable->attach (
824	prio => -1000000,	1161	prio => -1000000,
825	on_instantiate => sub {	1162	on_instantiate => sub {
826	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
827		1164
828	$data = from_json $data;	1165	$data = decode_json $data;
829		1166
830	for (@$data) {	1167	for (@$data) {
831	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
832		1169
833	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1186	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
851		1188
852	sync_job {	1189	sync_job {
853	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
856		1194
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
861	close $fh;	1202	aio_close $fh;
862		1203
863	if (@$objs) {	1204	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
869	close $fh;	1213	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
871	}	1215	}
872	} else {	1216	} else {
873	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
874	}	1218	}
875		1219
876	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1224	} else {
878	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
879	}	1226	}
880	} else {	1227	} else {
881	aio_unlink $filename;	1228	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
883	}	1230	}
884	}	1231	};
885	}	1232	}
886		1233
887	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
889		1236
…		…
901	or return;	1248	or return;
902		1249
903	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
905	or return;	1252	or return;
		1253
906	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
907	}	1256	}
908		1257
		1258	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
911	return ($data, $av);	1262	($data, $av)
912	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
913		1270
914	#############################################################################	1271	#############################################################################
915	# command handling &c	1272	# command handling &c
916		1273
917	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1288	}
932		1289
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1291
935	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.
936		1297
937	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
938	called.	1299	called.
939		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
940	=cut	1312	=cut
941		1313
942	sub register_extcmd {	1314	sub register_extcmd {
943	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
944		1316
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
949	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
950		1327
951	cf::player->attach (	1328	cf::player->attach (
952	on_command => sub {	1329	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
954		1331
955	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
956	or return;	1333	or return;
957		1334
…		…
962	cf::override;	1339	cf::override;
963	},	1340	},
964	on_extcmd => sub {	1341	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
966		1343
967	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1345
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
975	} else {	1361	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1363	}
978		1364
979	cf::override;	1365	cf::override;
980	},	1366	},
981	);	1367	);
982		1368
983	sub register {	1369	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1370	sub cache_extensions {
990	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
991		1372
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1376	}
1042	}	1377	};
1043		1378
1044	# remove extcmds	1379	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1380	}
1058		1381
1059	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1060	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1387	next unless -r $path;
1062	eval {	1388
1063	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	}
1064	1	1449	}
1065	} 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	}
1066	}	1460	};
1067	}	1461	}
1068		1462
1069	#############################################################################	1463	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1464
1072	*cf::mapsupport::on_clean = sub {	1465	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1466
1085	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1086		1468
1087	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1088		1470
1089	=cut	1471	=cut
1090		1472
1091	package cf::player;	1473	package cf::player;
1092		1474
…		…
1094		1476
1095	=head3 cf::player	1477	=head3 cf::player
1096		1478
1097	=over 4	1479	=over 4
1098		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
1099	=item cf::player::find $login	1495	=item cf::player::find $login
1100		1496
1101	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1102		1498
1103	=cut	1499	=cut
1104		1500
1105	sub playerdir($) {	1501	sub playerdir($) {
1106	cf::localdir	1502	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1504	}
1112		1505
1113	sub path($) {	1506	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1508
1116	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
1117	}	1510	}
1118		1511
1119	sub find_active($) {	1512	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
1124		1517
1125	sub exists($) {	1518	sub exists($) {
1126	my ($login) = @_;	1519	my ($login) = @_;
1127		1520
1128	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
1130	}	1523	}
1131		1524
1132	sub find($) {	1525	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1527	my $login = $_[0];
1135		1528
1136	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
1137		1530
1138	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1142	}	1548	}
1143	}	1549	}
1144	}	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	);
1145		1564
1146	sub save($) {	1565	sub save($) {
1147	my ($pl) = @_;	1566	my ($pl) = @_;
1148		1567
1149	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1155		1574
1156	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1158		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
1159	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1160	Coro::cede;	1584	cf::cede_to_tick;
1161	}	1585	}
1162		1586
1163	sub new($) {	1587	sub new($) {
1164	my ($login) = @_;	1588	my ($login) = @_;
1165		1589
…		…
1171	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1172		1596
1173	$self	1597	$self
1174	}	1598	}
1175		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
1176	=item $pl->quit_character	1610	=item $pl->quit_character
1177		1611
1178	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
1179	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1180		1614
1181	=cut	1615	=cut
1182		1616
1183	sub quit_character {	1617	sub quit_character {
1184	my ($pl) = @_;	1618	my ($pl) = @_;
1185		1619
		1620	my $name = $pl->ob->name;
		1621
1186	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1187	$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
1188		1624
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1193		1631
1194	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1658	}
1201		1659
1202	=item cf::player::list_logins	1660	=item cf::player::list_logins
1203		1661
1204	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
1205	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1206		1664
1207	=cut	1665	=cut
1208		1666
1209	sub list_logins {	1667	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1669	or return [];
1212		1670
1213	my @logins;	1671	my @logins;
1214		1672
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1219		1683
1220	utf8::decode $login;	1684	utf8::decode $login;
1221	push @logins, $login;	1685	push @logins, $login;
1222	}	1686	}
1223		1687
1224	\@logins	1688	\@logins
1225	}	1689	}
1226		1690
1227	=item $player->maps	1691	=item $player->maps
1228		1692
1229	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
1230	player. May block.	1694	player. May block.
1231		1695
1232	=cut	1696	=cut
1233		1697
1234	sub maps($) {	1698	sub maps($) {
1235	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1702
1237	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1238	or return;	1704	or return;
1239		1705
1240	my @paths;	1706	my @paths;
1241		1707
1242	for (@$files) {	1708	for (@$files) {
1243	utf8::decode $_;	1709	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1711	next unless /^$PATH_SEP/o;
1246		1712
1247	s/$PATH_SEP/\//g;	1713	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1714	}
1250		1715
1251	\@paths	1716	\@paths
1252	}	1717	}
1253		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1255		1724
1256	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1257		1726
1258	=cut	1727	=cut
1259		1728
1260	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1262		1731
1263	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1733	}
1267		1734
1268	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		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	}
1269		1775
1270	=back	1776	=back
1271
1272		1777
1273	=head3 cf::map	1778	=head3 cf::map
1274		1779
1275	=over 4	1780	=over 4
1276		1781
…		…
1279	package cf::map;	1784	package cf::map;
1280		1785
1281	use Fcntl;	1786	use Fcntl;
1282	use Coro::AIO;	1787	use Coro::AIO;
1283		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1284	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1286		1795
1287	sub generate_random_map {	1796	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1800
1290	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1802	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1811	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1304	}	1815	}
1305		1816
1306	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1818
1311	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1821	default).
1314		1822
1315	sub try_load_header($) {	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 {
1316	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) = @_;
1317		1962
1318	utf8::encode $path;	1963	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1320	or return;	1965	or return;
1321		1966
1322	my $map = cf::map::new	1967	$self->_load_header ($f)
1323	or return;	1968	or return;
1324		1969
1325	# for better error messages only, will be overwritten	1970	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1327		1972
1328	$map->load_header ($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
1329	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1330		2019
1331	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1332		2022
1333	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1334	}	2027	}
1335		2028
1336	sub find;	2029	sub find;
1337	sub find {	2030	sub find {
1338	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1339		2032
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2034
1345	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2037
1350	# do it the slow way	2038	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2039	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2040	or return;
1369		2041
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1382		2043
1383	Coro::cede;	2044	$map->load_header
		2045	or return;
1384		2046
1385	if ($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;
1386	$map->reset;	2052	$map->reset;
1387	undef $guard;
1388	$map = find $path	2053	return find $path;
1389	or return;
1390	}	2054	}
1391		2055
1392	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1393	}	2057	}
1394	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1395		2062
1396	sub load {	2063	sub load {
1397	my ($self) = @_;	2064	my ($self) = @_;
1398		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1399	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1401		2072
		2073	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2075
1404	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1405		2077
1406	$self->alloc;	2078	$self->alloc;
1407	$self->load_objects ($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)
1408	or return;	2086	or return;
1409		2087
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1411	if delete $self->{load_original};	2089	if delete $self->{load_original};
1412		2090
1413	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2092	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2095	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1418	}	2099	}
1419	}	2100	}
1420		2101
1421	Coro::cede;	2102	$f->resolve_delayed_derefs;
1422		2103
		2104	cf::cede_to_tick;
1423	# now do the right thing for maps	2105	# now do the right thing for maps
1424	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1435	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;
1436	$self->activate;	2116	$self->activate;
1437	}	2117	}
1438		2118
1439	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1440		2121
1441	$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	$self
		2141	}
		2142
		2143	# find and load all maps in the 3x3 area around a map
		2144	sub load_neighbours {
		2145	my ($map) = @_;
		2146
		2147	my @neigh; # diagonal neighbours
		2148
		2149	for (0 .. 3) {
		2150	my $neigh = $map->tile_path ($_)
		2151	or next;
		2152	$neigh = find $neigh, $map
		2153	or next;
		2154	$neigh->load;
		2155
		2156	push @neigh,
		2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2159	}
		2160
		2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
		2163	my $neigh = find $path, $origin
		2164	or next;
		2165	$neigh->load;
		2166	}
1442	}	2167	}
1443		2168
1444	sub find_sync {	2169	sub find_sync {
1445	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1446		2171
1447	cf::sync_job { cf::map::find $path, $origin }	2172	cf::sync_job { find $path, $origin }
1448	}	2173	}
1449		2174
1450	sub do_load_sync {	2175	sub do_load_sync {
1451	my ($map) = @_;	2176	my ($map) = @_;
1452		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1453	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
		2182	}
		2183
		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
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
		2211	};
		2212	$MAP_PREFETCHER->prio (6);
		2213
		2214	()
		2215	}
		2216
		2217	# common code, used by both ->save and ->swapout
		2218	sub _save {
		2219	my ($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	}
1454	}	2247	}
1455		2248
1456	sub save {	2249	sub save {
1457	my ($self) = @_;	2250	my ($self) = @_;
1458		2251
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2253
1461	$self->{last_save} = $cf::RUNTIME;	2254	$self->_save;
1462
1463	return unless $self->dirty;
1464
1465	my $save = $self->{path}->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1467
1468	$self->{load_path} = $save;
1469
1470	return if $self->{deny_save};
1471
1472	local $self->{last_access} = $self->last_access;#d#
1473
1474	cf::async {
1475	$_->contr->save for $self->players;
1476	};
1477
1478	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}
1484	}	2255	}
1485		2256
1486	sub swap_out {	2257	sub swap_out {
1487	my ($self) = @_;	2258	my ($self) = @_;
1488		2259
1489	# save first because save cedes
1490	$self->save;
1491
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1494	return if $self->players;	2264	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};
1497		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
1498	$self->clear;	2275	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2276	}
1501		2277
1502	sub reset_at {	2278	sub reset_at {
1503	my ($self) = @_;	2279	my ($self) = @_;
1504		2280
1505	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1508		2283
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2286
…		…
1516	my ($self) = @_;	2291	my ($self) = @_;
1517		2292
1518	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1519	}	2294	}
1520		2295
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2296	sub reset {
1543	my ($self) = @_;	2297	my ($self) = @_;
1544		2298
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2300
1547	return if $self->players;	2301	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2302
1550	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	}
1551		2314
1552	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1553		2316
		2317	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2318	$_->clear_links_to ($self) for values %cf::MAP;
		2319	$self->clear;
1555		2320
1556	$self->unlink_save;	2321	$self->unlink_save;
1557	$self->destroy;	2322	$self->destroy;
1558	}	2323	}
1559		2324
1560	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1561		2326
1562	sub nuke {	2327	sub nuke {
1563	my ($self) = @_;	2328	my ($self) = @_;
1564		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};
1565	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1568	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
1569	}	2347	}
1570		2348
1571	sub customise_for {	2349	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2350
1574	if ($map->per_player) {	2351	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
1576	}	2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
1577		2366
		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	]
		2383	}
		2384
		2385	=item cf::map::unique_maps
		2386
		2387	Returns an arrayref of paths of all shared maps that have
		2388	instantiated unique items. May block.
		2389
		2390	=cut
		2391
		2392	sub unique_maps() {
		2393	[
		2394	map {
		2395	utf8::decode $_;
		2396	s/\.map$//; # TODO future compatibility hack
		2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
		2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
		2401	]
		2402	}
		2403
		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
1578	$map	2433	\@maps
1579	}	2434	}
1580
1581	package cf;
1582		2435
1583	=back	2436	=back
1584		2437
1585	=head3 cf::object	2438	=head3 cf::object
1586		2439
…		…
1590		2443
1591	=over 4	2444	=over 4
1592		2445
1593	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1594		2447
1595	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.
1596		2450
1597	=cut	2451	=cut
1598		2452
1599	sub inv_recursive_;	2453	sub inv_recursive_;
1600	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1603		2457
1604	sub inv_recursive {	2458	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1606	}	2460	}
1607		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
1608	package cf;	2490	package cf;
1609		2491
1610	=back	2492	=back
1611		2493
1612	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1618	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>
1619	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
1620	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1621		2503
1622	=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	};
1623		2519
1624	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2521	# with dialog boxes.
1626	#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
1627	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1629		2525
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2527
1632	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1634	} 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 {
1635	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1637	}	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 (@_);
1638	}	2553	}
1639		2554
1640	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1641		2556
1642	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1655		2570
1656	=item $player_object->enter_link	2571	=item $player_object->enter_link
1657		2572
1658	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}>).
1659		2574
1660	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.
1661	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.
1662		2581
1663	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1664		2583
1665	Moves the player out of the specila link map onto the given map. If the	2584	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2585	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2586	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2587	fails, to the emergency map position.
1669		2588
1670	Might block.	2589	Might block.
1671		2590
1672	=cut	2591	=cut
		2592
		2593	sub link_map {
		2594	unless ($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	$LINK_MAP
		2601	}
1673		2602
1674	sub cf::object::player::enter_link {	2603	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2604	my ($self) = @_;
1676		2605
1677	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1678		2607
1679	return if $self->map == $LINK_MAP;	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2609
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1683		2612
1684	$self->enter_map ($LINK_MAP, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2614	}
1686		2615
1687	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1689		2620
1690	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1691		2622
1692	unless ($map) {	2623	unless ($map) {
1693	# restore original map position	2624	# restore original map position
…		…
1704	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1705	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1706		2637
1707	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1710		2641
1711	$map->load;	2642	$map->load;
		2643	$map->load_neighbours;
1712		2644
1713	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
1714	$self->activate_recursive;	2651	$self->activate_recursive;
1715	$self->enter_map ($map, $x, $y);
1716	}	2652	}
1717		2653
1718	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2655
1722	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1726	};	2660	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2661
1732	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1733	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2664
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1753		2668
1754	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2671
1757	$path = new cf::path $path;	2672	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2674
1760	$self->enter_link;	2675	$self->enter_link;
1761		2676
1762	(async {	2677	(async {
1763	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) {
1764	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1765		2704	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1767	# if $map;
1768
1769	$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	}
1770		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};
1771	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1772	})->prio (1);	2723	})->prio (1);
1773	}	2724	}
1774		2725
1775	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1776		2727
…		…
1778		2729
1779	sub parse_random_map_params {	2730	sub parse_random_map_params {
1780	my ($spec) = @_;	2731	my ($spec) = @_;
1781		2732
1782	my $rmp = { # defaults	2733	my $rmp = { # defaults
1783	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1785	};	2738	};
1786		2739
1787	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1789		2742
…		…
1801	# that depends on the exit object	2754	# that depends on the exit object
1802		2755
1803	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1804		2757
1805	if ($exit->map) {	2758	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1810	}	2765	}
1811		2766
1812	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1813		2768
1814	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1816		2772
1817	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) {
1818	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;
1819		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1822	}	2784	}
1823	}	2785	}
1824		2786
1825	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1829		2791
1830	$self->enter_link;	2792	$self->enter_link;
1831		2793
1832	(async {	2794	(async {
1833	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1834	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
1835	prepare_random_map $exit	2804	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1837		2807
1838	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;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1840		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
1841	1;	2818	1
1842	}) {	2819	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "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. "
1845	. "Please report this to the dungeon master",	2822	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2824
1848	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2826	$self->leave_link;
1850	}	2827	}
1851	})->prio (1);	2828	})->prio (1);
…		…
1864		2841
1865	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1867		2844
1868	utf8::encode $text;	2845	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2847	}
1871		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	}
1872		3070
1873	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1874		3072
1875	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1876	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>,
1877	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>.
1878		3076
1879	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
1880	reliable at some point in the future.	3078	become reliable at some point in the future.
1881		3079
1882	=cut	3080	=cut
1883		3081
1884	sub cf::client::query {	3082	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	3091	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		3093
1896	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1898	}	3098	}
1899		3099
1900	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1901	on_reply => sub {	3106	on_reply => sub {
1902	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1903		3108
1904	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1905	# get handled first	3110	# get handled first
1906	my $queue = delete $ns->{query_queue}	3111	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3113
1909	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3116
1911	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1912		3118
1913	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3120	if (@$queue) {
…		…
1916	} else {	3122	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3124	}
1919	}	3125	}
1920	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($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	},
1921	);	3153	);
1922		3154
1923	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
1924		3156
1925	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
1941		3173
1942	$coro	3174	$coro
1943	}	3175	}
1944		3176
1945	cf::client->attach (	3177	cf::client->attach (
1946	on_destroy => sub {	3178	on_client_destroy => sub {
1947	my ($ns) = @_;	3179	my ($ns) = @_;
1948		3180
1949	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1950	},	3182	},
1951	);	3183	);
…		…
1966	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
1968		3200
1969	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
1970		3202
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
1972		3208
1973	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
1974		3210
1975	=pod	3211	=pod
1976		3212
1977	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
1978		3214
1979	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
1980	cf::object::player player	3220	cf::object::player
1981	cf::player peaceful	3221	player
1982	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
1983		3228
1984	=cut	3229	=cut
1985		3230
1986	for (	3231	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
1991	) {	3238	) {
1992	no strict 'refs';	3239	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2012		3259
2013	my $qcode = $code;	3260	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2016		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2017	local $_;	3267	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;
2019		3268
2020	my $eval =	3269	my $eval =
2021	"do {\n"	3270	"do {\n"
2022	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2023	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2024	. $code	3273	. $code
2025	. "\n}"	3274	. "\n}"
2026	;	3275	;
2027		3276
		3277	if ($CFG{safe_eval}) {
2028	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2029	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2030	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2031		3286
2032	if ($@) {	3287	if ($@) {
2033	warn "$@";	3288	warn "$@";
2034	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2035	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2054	=cut	3309	=cut
2055		3310
2056	sub register_script_function {	3311	sub register_script_function {
2057	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2058		3313
2059	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2060	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2061	}	3316	}
2062		3317
2063	=back	3318	=back
2064		3319
2065	=cut	3320	=cut
2066		3321
2067	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
2068		3324
2069	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
2070		3327
2071	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
2073	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3331
2075	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3333
2078	=over 4	3334	warn "loading facedata from $path\n";
2079		3335
2080	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
2081		3339
2082	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3341
2086	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3344
2088	Returns a single value from the database	3345	# patch in the exptable
2089		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2090	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
2091		3348	type => FT_RSRC,
2092	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3351	};
		3352	cf::cede_to_tick;
2141		3353
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
2146		3356
2147	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3359
2153	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2156	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3364
2162	cf::global->attach (	3365	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3366	}
2167	);
2168	}
2169		3367
2170	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3369	next unless $info->{smooth};
2172		3370
2173	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
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3500	or return;
2176		3501
2177	local $/;	3502	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2179		3504
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2181		3506
2182	$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};
2183	$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};
…		…
2187	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2188	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2189	};	3514	};
2190	warn $@ if $@;	3515	warn $@ if $@;
2191	}	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;
2192	}	3547	}
2193		3548
2194	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
2195	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2197	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#
2198	async { Event::one_event };	3562	(async {
		3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
2199	};	3566	};
2200		3567
2201	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
2202	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
2203	load_extensions;	3591	load_extensions;
2204	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;
2205	}	3606	}
2206		3607
2207	#############################################################################	3608	#############################################################################
2208	# initialisation and cleanup	3609	# initialisation and cleanup
2209		3610
2210	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2211	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2218	},
2219	);	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
2220	}	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 };
2221	}	3707	}
2222		3708
2223	sub emergency_save() {	3709	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2225		3711
2226	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2227		3713
2228	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
2229	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3728	$pl->save;
2237	}	3729	}
2238	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2239		3731
2240	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3735	$map->valid or next;
2244	$map->save;	3736	$map->save;
2245	}	3737	}
2246	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";
2247	};	3747	};
2248		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
2249	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2250	}	3755	}
2251		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 $pkg\n";#d#
		3791	}
		3792
2252	sub reload() {	3793	sub do_reload_perl() {
2253	# can/must only be called in main	3794	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3796	warn "can only reload from main coroutine";
2256	return;	3797	return;
2257	}	3798	}
2258		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2259	warn "reloading...";	3805	warn "reloading...";
2260		3806
2261	my $guard = freeze_mainloop;	3807	warn "entering sync_job";
		3808
		3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
2262	cf::emergency_save;	3811	cf::emergency_save;
		3812	cf::write_runtime_sync; # external watchdog should not bark
2263		3813
2264	eval {	3814	warn "syncing database to disk";
		3815	BDB::db_env_txn_checkpoint $DB_ENV;
		3816
2265	# 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
2266		3818
2267	# cancel all watchers	3819	warn "flushing outstanding aio requests";
2268	for (Event::all_watchers) {	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();
2275
2276	# unload all extensions
2277	for (@exts) {
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281
2282	# unload all modules loaded from $LIBDIR
2283	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285
2286	warn "removing <$k>";
2287	delete $INC{$k};
2288
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {
2293	$cb->();
2294	}	3822	}
2295		3823
2296	Symbol::delete_package $k;	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) {
		3837	warn "... unloading $pkg";
		3838
		3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
		3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2297	}	3848	}
2298		3849
2299	# sync database to disk	3850	warn "unloading all perl modules loaded from $LIBDIR";
2300	cf::db_sync;	3851	while (my ($k, $v) = each %INC) {
2301	IO::AIO::flush;	3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2302		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 $k;
		3865	}
		3866
2303	# get rid of safe::, as good as possible	3867	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2305	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);
2306		3870
2307	# remove register_script_function callbacks	3871	warn "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
		3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		3874
2313	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3876	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2316		3878
2317	# reload cf.pm	3879	warn "unload completed, starting to reload now";
		3880
2318	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2319	require cf;	3882	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2321		3884
2322	# load config and database again	3885	warn "loading config and database again";
2323	cf::cfg_load;	3886	cf::reload_config;
2324	cf::db_load;
2325		3887
2326	# load extensions
2327	warn "load extensions";	3888	warn "loading extensions";
2328	cf::load_extensions;	3889	cf::load_extensions;
2329		3890
2330	# reattach attachments to objects	3891	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3892	warn "reattaching attachments to objects/players";
2332	_global_reattach;	3893	_global_reattach; # objects, sockets
		3894	warn "reattaching attachments to maps";
2333	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 $RELOAD_WATCHER;
		3931	};
2334	};	3932	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3933	}
2387
2388	register "<global>", __PACKAGE__;
2389		3934
2390	register_command "reload" => sub {	3935	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2392		3937
2393	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
		3942	reload_perl;
		3943	};
2397	}	3944	}
2398	};	3945	};
2399		3946
2400	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2401		3948
2402	$TICK_WATCHER = Event->timer (	3949	my $bug_warning = 0;
2403	reentrant => 0,	3950
2404	prio => 0,	3951	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	3952	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	3953
2407	cb => sub {	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
2408	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		3978
2412	$WAIT_FOR_TICK->broadcast;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2414		3980
2415	# if we are delayed by four ticks or more, skip them all	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2417		3983	Coro::async_pool {
2418	$TICK_WATCHER->at ($NEXT_TICK);	3984	$Coro::current->{desc} = "runtime saver";
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	3985	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2441	})->();	3987	};
2442	},	3988	}
2443	);	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;
2444		4104
2445	END { cf::emergency_save }	4105	END { cf::emergency_save }
2446		4106
2447	1	4107	1
2448		4108

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