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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		137
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
64		150
65	binmode STDOUT;	151	binmode STDOUT;
66	binmode STDERR;	152	binmode STDERR;
67		153
68	# read virtual server time, if available	154	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
73	}	159	}
74		160
75	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		162
81	# a special map that is always available	163	mkdir $_
82	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
83	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		180
85	#############################################################################	181	#############################################################################
86		182
87	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
88		184
…		…
95	=item $cf::RUNTIME	191	=item $cf::RUNTIME
96		192
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	194	every server tick.
99		195
100	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		199
102	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
104		204
105	=item $cf::NOW	205	=item $cf::NOW
106		206
107	The time of the last (current) server tick.	207	The time of the last (current) server tick.
108		208
109	=item $cf::TICK	209	=item $cf::TICK
110		210
111	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
112		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
113	=item %cf::CFG	223	=item %cf::CFG
114		224
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	226	from wherever your confdir points to.
117		227
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		229
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
124		245
125	=back	246	=back
126		247
127	=cut	248	=cut
128		249
129	BEGIN {	250	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	251	my $msg = join "", @_;
132	utf8::encode $msg;
133		252
134	$msg .= "\n"	253	$msg .= "\n"
135	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
136		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
137	LOG llevError, $msg;	258	LOG llevError, $msg;
138	};	259	};
139	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
140		274
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		282
148	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	284	# within the Safe compartment.
150	for my $pkg (qw(	285	for my $pkg (qw(
151	cf::global cf::attachable	286	cf::global cf::attachable
152	cf::object cf::object::player	287	cf::object cf::object::player
153	cf::client cf::player	288	cf::client cf::player
154	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
155	cf::map cf::party cf::region	291	cf::party cf::region
156	)) {	292	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	294	}
160		295
161	$Event::DIED = sub {	296	$EV::DIED = sub {
162	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
163	};	298	};
		299
		300	#############################################################################
164		301
165	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
166		303
167	=over 4	304	=over 4
168		305
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	325	$d
189	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
190	}	327	}
191		328
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
195		330
196	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
197		332
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
206		334
207	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
208		336
209	=cut	337	=cut
210		338
211	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
213	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
214	}	356	}
215		357
216	=item cf::lock_wait $string	358	=item cf::lock_wait $string
217		359
218	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
219		361
220	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
221		363
222	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
225	returned.	367	returned.
226		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
227	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
229		374
230	=cut	375	=item $locked = cf::lock_active $string
231		376
232	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
233		382
234	sub lock_wait($) {	383	sub lock_wait($) {
235	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	385	}
243		386
244	sub lock_acquire($) {	387	sub lock_acquire($) {
245	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
246		390
247	# wait, to be sure we are not locked	391	sub lock_active($) {
248	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	393	}
257		394
258	sub freeze_mainloop {	395	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
260		397
261	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	399	}
263	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
264	}	481	}
265		482
266	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
267		484
268	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		490
274	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
275		492
276	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
277		494
278	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
281		499
282	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
285	fast or be very important.	503	fast or be very important.
…		…
288		506
289	sub sync_job(&) {	507	sub sync_job(&) {
290	my ($job) = @_;	508	my ($job) = @_;
291		509
292	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
293	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
295		515
296	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	517
298	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
299		519
300	my $busy = 1;	520	my $busy = 1;
301	my @res;	521	my @res;
302		522
303	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	525	@res = eval { $job->() };
305	warn $@ if $@;	526	warn $@ if $@;
306	undef $busy;	527	undef $busy;
307	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
308		529
309	while ($busy) {	530	while ($busy) {
310	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
311	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
312		541
313	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
314	} else {	543	} else {
315	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
316		545
…		…
336	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
337		566
338	$coro	567	$coro
339	}	568	}
340		569
341	sub write_runtime {	570	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		571
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
345	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
346		576
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		578
351	aio_fsync $fh	579	sub fork_call(&@) {
352	and return;	580	my ($cb, @args) = @_;
353		581
354	close $fh	582	# we seemingly have to make a local copy of the whole thing,
355	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
356		585
357	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
358	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
359		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
360	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	768	}
362		769
363	=back	770	=back
364		771
365	=cut	772	=cut
366		773
367	#############################################################################	774	#############################################################################
368		775
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
546		777
547	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
548	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")
549	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
550		781
551	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>
552	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
553	crossfire+).	784	Deliantra).
554		785
555	=over 4	786	=over 4
556		787
557	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
558		789
…		…
602	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
603		834
604	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
606		837
607	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
608	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.
609		840
610	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
611		842
612	=over 4	843	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	904	our @CB_MAP = ();
674		905
675	my %attachment;	906	my %attachment;
676		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
677	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
679		916
680	use sort 'stable';	917	use sort 'stable';
681		918
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
716		953
717	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		958
722	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	960	my $pkg = shift @arg;
724		961
725	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
755	}	992	}
756		993
757	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
758	} else {	995	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	997	}
761		998
762	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
763	}	1000	}
764		1001
…		…
766	if (ref $_[0]) {	1003	if (ref $_[0]) {
767	_object_attach @_;	1004	_object_attach @_;
768	} else {	1005	} else {
769	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
770	}	1007	}
		1008	_recalc_want;
771	};	1009	};
772		1010
773	# all those should be optimised	1011	# all those should be optimised
774	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1017	reattach ($obj);
780	} else {	1018	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
782	}	1020	}
		1021	_recalc_want;
783	};	1022	};
784		1023
785	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
787		1026
…		…
802	";	1041	";
803	die if $@;	1042	die if $@;
804	}	1043	}
805		1044
806	our $override;	1045	our $override;
807	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?
808		1047
809	sub override {	1048	sub override {
810	$override = 1;	1049	$override = 1;
811	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
812	}	1051	}
813		1052
814	sub do_invoke {	1053	sub do_invoke {
815	my $event = shift;	1054	my $event = shift;
816	my $callbacks = shift;	1055	my $callbacks = shift;
817		1056
818	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
819		1058
820	local $override;	1059	local $override;
821		1060
822	for (@$callbacks) {	1061	for (@$callbacks) {
823	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
832	}	1071	}
833		1072
834	0	1073	0
835	}	1074	}
836		1075
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1077
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1079
841	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
842		1081
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1085
847	=back	1086	=back
848		1087
849	=cut	1088	=cut
850		1089
851	#############################################################################	1090	#############################################################################
852	# 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	}
853		1134
854	sub reattach {	1135	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
856	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
857		1141
858	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
859		1143
860	@$registry = ();	1144	@$registry = ();
861		1145
…		…
876	cf::attachable->attach (	1160	cf::attachable->attach (
877	prio => -1000000,	1161	prio => -1000000,
878	on_instantiate => sub {	1162	on_instantiate => sub {
879	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
880		1164
881	$data = from_json $data;	1165	$data = decode_json $data;
882		1166
883	for (@$data) {	1167	for (@$data) {
884	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
885		1169
886	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1186	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
904		1188
905	sync_job {	1189	sync_job {
906	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
909		1194
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
914	close $fh;	1202	aio_close $fh;
915		1203
916	if (@$objs) {	1204	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
922	close $fh;	1213	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
924	}	1215	}
925	} else {	1216	} else {
926	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
927	}	1218	}
928		1219
929	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1224	} else {
931	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
932	}	1226	}
933	} else {	1227	} else {
934	aio_unlink $filename;	1228	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
936	}	1230	}
937	}	1231	};
938	}	1232	}
939		1233
940	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
942		1236
…		…
954	or return;	1248	or return;
955		1249
956	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
958	or return;	1252	or return;
		1253
959	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
960	}	1256	}
961		1257
		1258	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
964	return ($data, $av);	1262	($data, $av)
965	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
966		1270
967	#############################################################################	1271	#############################################################################
968	# command handling &c	1272	# command handling &c
969		1273
970	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1288	}
985		1289
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1291
988	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.
989		1297
990	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
991	called.	1299	called.
992		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
993	=cut	1312	=cut
994		1313
995	sub register_extcmd {	1314	sub register_extcmd {
996	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
997		1316
998	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
999	}	1318	}
1000		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
1001	cf::player->attach (	1328	cf::player->attach (
1002	on_command => sub {	1329	on_unknown_command => sub {
1003	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1004		1331
1005	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1006	or return;	1333	or return;
1007		1334
…		…
1012	cf::override;	1339	cf::override;
1013	},	1340	},
1014	on_extcmd => sub {	1341	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
1016		1343
1017	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1345
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1025	} else {	1361	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1363	}
1028		1364
1029	cf::override;	1365	cf::override;
1030	},	1366	},
1031	);	1367	);
1032		1368
		1369	# "readahead" all extensions
1033	sub load_extension {	1370	sub cache_extensions {
1034	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
1035		1372
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1376	}
1040	$pkg = "ext::$pkg";	1377	};
1041		1378
1042	warn "... loading '$path' into '$pkg'\n";	1379	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1380	}
1059		1381
1060	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1061	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1387	next unless -r $path;
1063	eval {	1388
1064	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	}
1065	1	1449	}
1066	} 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	}
1067	}	1460	};
1068	}	1461	}
1069		1462
1070	#############################################################################	1463	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1464
1073	*cf::mapsupport::on_clean = sub {	1465	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1466
1086	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1087		1468
1088	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1089		1470
1090	=cut	1471	=cut
1091		1472
1092	package cf::player;	1473	package cf::player;
1093		1474
…		…
1095		1476
1096	=head3 cf::player	1477	=head3 cf::player
1097		1478
1098	=over 4	1479	=over 4
1099		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
1100	=item cf::player::find $login	1495	=item cf::player::find $login
1101		1496
1102	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1103		1498
1104	=cut	1499	=cut
1105		1500
1106	sub playerdir($) {	1501	sub playerdir($) {
1107	cf::localdir	1502	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1504	}
1113		1505
1114	sub path($) {	1506	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1508
1117	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
1118	}	1510	}
1119		1511
1120	sub find_active($) {	1512	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
1125		1517
1126	sub exists($) {	1518	sub exists($) {
1127	my ($login) = @_;	1519	my ($login) = @_;
1128		1520
1129	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
1131	}	1523	}
1132		1524
1133	sub find($) {	1525	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1527	my $login = $_[0];
1136		1528
1137	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
1138		1530
1139	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1143	}	1548	}
1144	}	1549	}
1145	}	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	);
1146		1564
1147	sub save($) {	1565	sub save($) {
1148	my ($pl) = @_;	1566	my ($pl) = @_;
1149		1567
1150	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1155	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1156		1574
1157	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1159		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
1160	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1161	Coro::cede;	1584	cf::cede_to_tick;
1162	}	1585	}
1163		1586
1164	sub new($) {	1587	sub new($) {
1165	my ($login) = @_;	1588	my ($login) = @_;
1166		1589
…		…
1172	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1173		1596
1174	$self	1597	$self
1175	}	1598	}
1176		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
1177	=item $pl->quit_character	1610	=item $pl->quit_character
1178		1611
1179	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
1180	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1181		1614
1182	=cut	1615	=cut
1183		1616
1184	sub quit_character {	1617	sub quit_character {
1185	my ($pl) = @_;	1618	my ($pl) = @_;
1186		1619
		1620	my $name = $pl->ob->name;
		1621
1187	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1188	$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
1189		1624
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1193	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1194		1631
1195	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1658	}
1202		1659
1203	=item cf::player::list_logins	1660	=item cf::player::list_logins
1204		1661
1205	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
1206	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1207		1664
1208	=cut	1665	=cut
1209		1666
1210	sub list_logins {	1667	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1669	or return [];
1213		1670
1214	my @logins;	1671	my @logins;
1215		1672
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1220		1683
1221	utf8::decode $login;	1684	utf8::decode $login;
1222	push @logins, $login;	1685	push @logins, $login;
1223	}	1686	}
1224		1687
1225	\@logins	1688	\@logins
1226	}	1689	}
1227		1690
1228	=item $player->maps	1691	=item $player->maps
1229		1692
1230	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
1231	player. May block.	1694	player. May block.
1232		1695
1233	=cut	1696	=cut
1234		1697
1235	sub maps($) {	1698	sub maps($) {
1236	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1702
1238	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1239	or return;	1704	or return;
1240		1705
1241	my @paths;	1706	my @paths;
…		…
1243	for (@$files) {	1708	for (@$files) {
1244	utf8::decode $_;	1709	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1711	next unless /^$PATH_SEP/o;
1247		1712
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1713	push @paths, cf::map::normalise "~$pl/$_";
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},
…		…
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}), $rmp->{custom}	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1814	)
1305	}	1815	}
1306		1816
1307	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1818
1312	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1821	default).
1315		1822
1316	sub load_map_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1317	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) = @_;
1318		1962
1319	utf8::encode $path;	1963	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1321	or return;	1965	or return;
1322		1966
1323	my $map = cf::map::new	1967	$self->_load_header ($f)
1324	or return;	1968	or return;
1325		1969
1326	# for better error messages only, will be overwritten later	1970	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1328		1972
1329	$map->load_header ($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
1330	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1331		2019
1332	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1333		2022
1334	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1335	}	2027	}
1336		2028
1337	sub find;	2029	sub find;
1338	sub find {	2030	sub find {
1339	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1340		2032
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		2034
1346	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1350		2037
1351	# do it the slow way	2038	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2039	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2040	or return;
1365		2041
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1378		2043
1379	Coro::cede;	2044	$map->load_header
		2045	or return;
1380		2046
1381	if ($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;
1382	$map->reset;	2052	$map->reset;
1383	undef $guard;
1384	$map = find $path	2053	return find $path;
1385	or return;
1386	}	2054	}
1387		2055
1388	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1389	}	2057	}
1390	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1391		2062
1392	sub load {	2063	sub load {
1393	my ($self) = @_;	2064	my ($self) = @_;
1394		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1395	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1397		2072
		2073	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2075
1400	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1401		2077
1402	$self->alloc;	2078	$self->alloc;
1403	$self->load_objects ($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)
1404	or return;	2086	or return;
1405		2087
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1407	if delete $self->{load_original};	2089	if delete $self->{load_original};
1408		2090
1409	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2092	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2095	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1414	}	2099	}
1415	}	2100	}
1416		2101
1417	Coro::cede;	2102	$f->resolve_delayed_derefs;
1418		2103
		2104	cf::cede_to_tick;
1419	# now do the right thing for maps	2105	# now do the right thing for maps
1420	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	2116	$self->activate;
1433	}	2117	}
1434		2118
1435	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1436		2121
1437	$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	$self
1438	}	2141	}
1439		2142
1440	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2144	sub load_neighbours {
1442	my ($map) = @_;	2145	my ($map) = @_;
1443		2146
1444	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1445		2148
1446	for (0 .. 3) {	2149	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1448	or next;	2151	or next;
1449	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1450	or next;	2153	or next;
1451	$neigh->load;	2154	$neigh->load;
1452		2155
		2156	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2159	}
1456		2160
1457	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1459	or next;	2164	or next;
1460	$neigh->load;	2165	$neigh->load;
1461	}	2166	}
1462	}	2167	}
1463		2168
…		…
1468	}	2173	}
1469		2174
1470	sub do_load_sync {	2175	sub do_load_sync {
1471	my ($map) = @_;	2176	my ($map) = @_;
1472		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1473	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1474	}	2182	}
1475		2183
1476	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
1477	our $MAP_PREFETCHER = Coro::async {	2198	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2199	$Coro::current->{desc} = "map prefetcher";
		2200
1479	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
1482	my $path = delete $MAP_PREFETCH{$key};	2207	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2208	}
1488	Coro::schedule;	2209	}
		2210	undef $MAP_PREFETCHER;
1489	}	2211	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2212	$MAP_PREFETCHER->prio (6);
1504		2213
1505	()	2214	()
1506	}	2215	}
1507		2216
1508	sub save {	2217	sub save {
1509	my ($self) = @_;	2218	my ($self) = @_;
1510		2219
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2221
1513	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1514		2223
1515	return unless $self->dirty;	2224	return unless $self->dirty;
1516		2225
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2226	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2227	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2228
1520	$self->{load_path} = $save;	2229	$self->{load_path} = $save;
1521		2230
1522	return if $self->{deny_save};	2231	return if $self->{deny_save};
1523		2232
1524	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1525		2234
1526	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1527	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1528	};	2238	};
1529		2239
		2240	cf::get_slot 0.02;
		2241
1530	if ($uniq) {	2242	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2245	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2247	}
1536	}	2248	}
1537		2249
1538	sub swap_out {	2250	sub swap_out {
1539	my ($self) = @_;	2251	my ($self) = @_;
1540		2252
1541	# save first because save cedes	2253	# save first because save cedes
1542	$self->save;	2254	$self->save;
1543		2255
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2257
1546	return if $self->players;	2258	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1548	return if $self->{deny_save};	2260	return if $self->{deny_save};
1549		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1550	$self->clear;	2266	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2267	}
1553		2268
1554	sub reset_at {	2269	sub reset_at {
1555	my ($self) = @_;	2270	my ($self) = @_;
1556		2271
1557	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1560		2274
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2277
…		…
1568	my ($self) = @_;	2282	my ($self) = @_;
1569		2283
1570	$self->reset_at <= $cf::RUNTIME	2284	$self->reset_at <= $cf::RUNTIME
1571	}	2285	}
1572		2286
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2287	sub reset {
1587	my ($self) = @_;	2288	my ($self) = @_;
1588		2289
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2291
1591	return if $self->players;	2292	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2293
1594	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
		2295
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# need to save uniques path
		2299	unless ($self->{deny_save}) {
		2300	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2301
		2302	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2303	if $uniq;
		2304	}
1595		2305
1596	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1597		2307
		2308	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->clear;
1599		2311
1600	$self->{path}->unlink_save;	2312	$self->unlink_save;
1601	$self->destroy;	2313	$self->destroy;
1602	}	2314	}
1603		2315
1604	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1605		2317
1606	sub nuke {	2318	sub nuke {
1607	my ($self) = @_;	2319	my ($self) = @_;
1608		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	delete $cf::MAP{$self->path};
		2325
		2326	$self->unlink_save;
		2327
		2328	bless $self, "cf::map";
		2329	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2333
		2334	$cf::MAP{$self->path} = $self;
		2335	}
		2336
1612	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
1613	}	2338	}
1614		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
		2374	}
		2375
1615	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1616		2377
1617	Returns an arrayref of cf::path's of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2379	instantiated unique items. May block.
1619		2380
1620	=cut	2381	=cut
1621		2382
1622	sub unique_maps() {	2383	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2384	[
1624	or return;	2385	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2386	utf8::decode $_;
1630	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2389	? ()
1633	push @paths, new cf::path $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2392	]
1635
1636	\@paths
1637	}	2393	}
1638		2394
1639	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1640		2426
1641	=back	2427	=back
1642		2428
1643	=head3 cf::object	2429	=head3 cf::object
1644		2430
…		…
1648		2434
1649	=over 4	2435	=over 4
1650		2436
1651	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1652		2438
1653	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1654		2441
1655	=cut	2442	=cut
1656		2443
1657	sub inv_recursive_;	2444	sub inv_recursive_;
1658	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1661		2448
1662	sub inv_recursive {	2449	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1664	}	2451	}
1665		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1666	package cf;	2481	package cf;
1667		2482
1668	=back	2483	=back
1669		2484
1670	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1676	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1677	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1678	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1679		2494
1680	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1681		2510
1682	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2512	# with dialog boxes.
1684	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1685	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1687		2516
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2518
1690	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1692	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1695	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1696	}	2544	}
1697		2545
1698	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1699		2547
1700	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1713		2561
1714	=item $player_object->enter_link	2562	=item $player_object->enter_link
1715		2563
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2565
1718	The player should be reaosnably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1719	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
		2570
		2571	Will never block.
1720		2572
1721	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1722		2574
1723	Moves the player out of the specila link map onto the given map. If the	2575	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2576	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2577	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2578	fails, to the emergency map position.
1727		2579
1728	Might block.	2580	Might block.
1729		2581
1730	=cut	2582	=cut
		2583
		2584	sub link_map {
		2585	unless ($LINK_MAP) {
		2586	$LINK_MAP = cf::map::find "{link}"
		2587	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2588	$LINK_MAP->load;
		2589	}
		2590
		2591	$LINK_MAP
		2592	}
1731		2593
1732	sub cf::object::player::enter_link {	2594	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2595	my ($self) = @_;
1734		2596
1735	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1736		2598
1737	return if $self->map == $LINK_MAP;	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2600
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1741		2603
1742	$self->enter_map ($LINK_MAP, 20, 20);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2605	}
1744		2606
1745	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1747		2611
1748	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1749		2613
1750	unless ($map) {	2614	unless ($map) {
1751	# restore original map position	2615	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1764		2628
1765	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1768		2632
1769	$map->load;	2633	$map->load;
1770	$map->load_diag;	2634	$map->load_neighbours;
1771		2635
1772	return unless $self->contr->active;	2636	return unless $self->contr->active;
		2637
		2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
1773	$self->activate_recursive;	2642	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}	2643	}
1776		2644
1777	cf::player->attach (	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2646
1781	# abort map switching before logout	2647	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2648	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2650	the new (success) or old (failed) map position. In either case, $done will
1785	};	2651	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2652
1791	# try to abort aborted map switching on player login :)	2653	Note that $check will be called with a potentially non-loaded map, so if
1792	# should happen only on crashes	2654	it needs a loaded map it has to call C<< ->load >>.
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2655
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1812		2659
1813	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2662
1816	$path = new cf::path $path;	2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2665
1818	$self->enter_link;	2666	$self->enter_link;
1819		2667
1820	(async {	2668	(async {
1821	my $map = cf::map::find $path->as_string;	2669	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2670
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
		2690	my $map = eval {
		2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
1825	# if $map;	2693	if ($map) {
1826		2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
1828		2699
		2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
		2706	}
		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1830	})->prio (1);	2714	})->prio (1);
1831	}	2715	}
1832		2716
1833	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1834		2718
…		…
1836		2720
1837	sub parse_random_map_params {	2721	sub parse_random_map_params {
1838	my ($spec) = @_;	2722	my ($spec) = @_;
1839		2723
1840	my $rmp = { # defaults	2724	my $rmp = { # defaults
1841	xsize => 10,	2725	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2726	ysize => (cf::rndm 15, 40),
		2727	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2728	#layout => string,
1843	};	2729	};
1844		2730
1845	for (split /\n/, $spec) {	2731	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2732	my ($k, $v) = split /\s+/, $_, 2;
1847		2733
…		…
1859	# that depends on the exit object	2745	# that depends on the exit object
1860		2746
1861	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
1862		2748
1863	if ($exit->map) {	2749	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2750	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
1868	}	2756	}
1869		2757
1870	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
1871		2759
1872	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
		2762	my $meta = "$RANDOMDIR/$md5.meta";
1874		2763
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
		2766	undef $fh;
		2767	aio_rename "$meta~", $meta;
1877		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
1880	}	2775	}
1881	}	2776	}
1882		2777
1883	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
1887		2782
1888	$self->enter_link;	2783	$self->enter_link;
1889		2784
1890	(async {	2785	(async {
1891	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
1892	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
1893	prepare_random_map $exit	2795	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2796	if $exit->slaying eq "/!";
		2797	}
1895		2798
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
1898		2802
		2803	$self->goto ($map, $x, $y);
		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
1899	1;	2809	1
1900	}) {	2810	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2815
1906	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2817	$self->leave_link;
1908	}	2818	}
1909	})->prio (1);	2819	})->prio (1);
…		…
1922		2832
1923	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
1925		2835
1926	utf8::encode $text;	2836	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2838	}
1929		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
		3027	=item $client->ext_msg ($type, @msg)
		3028
		3029	Sends an ext event to the client.
		3030
		3031	=cut
		3032
		3033	sub cf::client::ext_msg($$@) {
		3034	my ($self, $type, @msg) = @_;
		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
		3039	push @msg, msgtype => "event_$type";
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
		3060	}
1930		3061
1931	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
1932		3063
1933	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		3067
1937	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	3069	become reliable at some point in the future.
1939		3070
1940	=cut	3071	=cut
1941		3072
1942	sub cf::client::query {	3073	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3082	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3084
1954	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
1956	}	3089	}
1957		3090
1958	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
1959	on_reply => sub {	3097	on_reply => sub {
1960	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
1961		3099
1962	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
1963	# get handled first	3101	# get handled first
1964	my $queue = delete $ns->{query_queue}	3102	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3103	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3104
1967	(shift @$queue)->[1]->($msg);	3105	(shift @$queue)->[1]->($msg);
		3106	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3107
1969	push @{ $ns->{query_queue} }, @$queue;	3108	push @{ $ns->{query_queue} }, @$queue;
1970		3109
1971	if (@{ $ns->{query_queue} } == @$queue) {	3110	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3111	if (@$queue) {
…		…
1974	} else {	3113	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3115	}
1977	}	3116	}
1978	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
1979	);	3144	);
1980		3145
1981	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
1982		3147
1983	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
1999		3164
2000	$coro	3165	$coro
2001	}	3166	}
2002		3167
2003	cf::client->attach (	3168	cf::client->attach (
2004	on_destroy => sub {	3169	on_client_destroy => sub {
2005	my ($ns) = @_;	3170	my ($ns) = @_;
2006		3171
2007	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008	},	3173	},
2009	);	3174	);
…		…
2024	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2026		3191
2027	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2028		3193
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2030		3199
2031	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2032		3201
2033	=pod	3202	=pod
2034		3203
2035	The following fucntions and emthods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2036		3205
2037	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2038	cf::object::player player	3211	cf::object::player
2039	cf::player peaceful	3212	player
2040	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2041		3219
2042	=cut	3220	=cut
2043		3221
2044	for (	3222	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2049	) {	3229	) {
2050	no strict 'refs';	3230	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2070		3250
2071	my $qcode = $code;	3251	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2074		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2075	local $_;	3258	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3259
2078	my $eval =	3260	my $eval =
2079	"do {\n"	3261	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3264	. $code
2083	. "\n}"	3265	. "\n}"
2084	;	3266	;
2085		3267
		3268	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2089		3277
2090	if ($@) {	3278	if ($@) {
2091	warn "$@";	3279	warn "$@";
2092	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2093	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2112	=cut	3300	=cut
2113		3301
2114	sub register_script_function {	3302	sub register_script_function {
2115	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2116		3304
2117	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2119	}	3307	}
2120		3308
2121	=back	3309	=back
2122		3310
2123	=cut	3311	=cut
2124		3312
2125	#############################################################################	3313	#############################################################################
		3314	# the server's init and main functions
2126		3315
2127	=head2 EXTENSION DATABASE SUPPORT	3316	sub load_facedata($) {
		3317	my ($path) = @_;
2128		3318
2129	Crossfire maintains a very simple database for extension use. It can	3319	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3320	# for this (global event?)
2131	excludes objects.	3321	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3322
2133	The parameter C<$family> should best start with the name of the extension	3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3324
2136	=over 4	3325	warn "loading facedata from $path\n";
2137		3326
2138	=item $hashref = cf::db_get $family	3327	my $facedata;
		3328	0 < aio_load $path, $facedata
		3329	or die "$path: $!";
2139		3330
2140	Return a hashref for use by the extension C<$family>, which can be	3331	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3332
2144	=item $value = cf::db_get $family => $key	3333	$facedata->{version} == 2
		3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3335
2146	Returns a single value from the database	3336	# patch in the exptable
2147		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148	=item cf::db_put $family => $hashref	3338	$facedata->{resource}{"res/exp_table"} = {
2149		3339	type => FT_RSRC,
2150	Stores the given family hashref into the database. Updates are delayed, if	3340	data => $exp_table,
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3341	hash => (Digest::MD5::md5 $exp_table),
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3342	};
		3343	cf::cede_to_tick;
2199		3344
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3345	{
		3346	my $faces = $facedata->{faceinfo};
2204		3347
2205	sub db_get($;$) {	3348	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3350
2211	sub db_put($$;$) {	3351	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3355
2220	cf::global->attach (	3356	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3357	}
2225	);
2226	}
2227		3358
2228	#############################################################################	3359	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3360	next unless $info->{smooth};
2230		3361
2231	sub cfg_load {	3362	my $idx = cf::face::find $face
		3363	or next;
		3364
		3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
		3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3368	} else {
		3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3370	}
		3371
		3372	cf::cede_to_tick;
		3373	}
		3374	}
		3375
		3376	{
		3377	my $anims = $facedata->{animinfo};
		3378
		3379	while (my ($anim, $info) = each %$anims) {
		3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3381	cf::cede_to_tick;
		3382	}
		3383
		3384	cf::anim::invalidate_all; # d'oh
		3385	}
		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
		3406	1
		3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
		3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
		3452	load_resource_file "$MAPDIR/regions"
		3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
		3459	}
		3460
		3461	sub reload_facedata {
		3462	load_facedata "$DATADIR/facedata"
		3463	or die "unable to load facedata\n";
		3464	}
		3465
		3466	sub reload_archetypes {
		3467	load_resource_file "$DATADIR/archetypes"
		3468	or die "unable to load archetypes\n";
		3469	}
		3470
		3471	sub reload_treasures {
		3472	load_resource_file "$DATADIR/treasures"
		3473	or die "unable to load treasurelists\n";
		3474	}
		3475
		3476	sub reload_resources {
		3477	warn "reloading resource files...\n";
		3478
		3479	reload_facedata;
		3480	reload_archetypes;
		3481	reload_regions;
		3482	reload_treasures;
		3483
		3484	warn "finished reloading resource files\n";
		3485	}
		3486
		3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3491	or return;
2234		3492
2235	local $/;	3493	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2237		3495
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2239		3497
2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2246	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2247	};	3505	};
2248	warn $@ if $@;	3506	warn $@ if $@;
2249	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2250	}	3538	}
2251		3539
2252	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	cf::init_experience;
		3549	cf::init_anim;
		3550	cf::init_attackmess;
		3551	cf::init_dynamic;
		3552
		3553	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3554
2253	# we must not ever block the main coroutine	3555	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3556	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3557	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256	async { Event::one_event };	3558	(async {
		3559	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3560	EV::loop EV::LOOP_ONESHOT;
		3561	})->prio (Coro::PRIO_MAX);
2257	};	3562	};
2258		3563
2259	cfg_load;	3564	evthread_start IO::AIO::poll_fileno;
2260	db_load;	3565
		3566	cf::sync_job {
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
		3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2261	load_extensions;	3582	load_extensions;
2262	Event::loop;	3583
		3584	utime time, time, $RUNTIMEFILE;
		3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2263	}	3594	}
2264		3595
2265	#############################################################################	3596	#############################################################################
2266	# initialisation and cleanup	3597	# initialisation and cleanup
2267		3598
2268	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2269	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2276	},
2277	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2278	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2279	}	3695	}
2280		3696
2281	sub emergency_save() {	3697	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2283		3699
2284	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2285		3701
2286	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2287	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3716	$pl->save;
2295	}	3717	}
2296	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2297		3719
2298	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3723	$map->valid or next;
2302	$map->save;	3724	$map->save;
2303	}	3725	}
2304	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
		3727
		3728	warn "emergency_perl_save: begin database checkpoint\n";
		3729	BDB::db_env_txn_checkpoint $DB_ENV;
		3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2305	};	3735	};
2306		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2307	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2308	}	3743	}
2309		3744
		3745	sub post_cleanup {
		3746	my ($make_core) = @_;
		3747
		3748	warn Carp::longmess "post_cleanup backtrace"
		3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
		3779	}
		3780
2310	sub reload() {	3781	sub do_reload_perl() {
2311	# can/must only be called in main	3782	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3784	warn "can only reload from main coroutine";
2314	return;	3785	return;
2315	}	3786	}
2316		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2317	warn "reloading...";	3793	warn "reloading...";
2318		3794
2319	warn "freezing server";	3795	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3796
		3797	cf::sync_job {
		3798	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3799	cf::emergency_save;
		3800	cf::write_runtime_sync; # external watchdog should not bark
2322		3801
2323	warn "sync database to disk";	3802	warn "syncing database to disk";
2324	cf::db_sync;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3804
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2329		3806
2330	warn "cancel all watchers";	3807	warn "flushing outstanding aio requests";
2331	for (Event::all_watchers) {	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();
2338
2339	warn "remove commands";
2340	%COMMAND = ();
2341
2342	warn "remove ext commands";
2343	%EXTCMD = ();
2344
2345	warn "unload/nuke all extensions";
2346	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";
2348
2349	if (my $cb = $pkg->can ("unload")) {
2350	eval {
2351	$cb->($pkg);
2352	1
2353	} or warn "$pkg unloaded, but with errors: $@";
2354	}	3810	}
2355		3811
		3812	warn "cancelling all extension coros";
		3813	$_->cancel for values %EXT_CORO;
		3814	%EXT_CORO = ();
		3815
		3816	warn "removing commands";
		3817	%COMMAND = ();
		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2356	warn "... nuking $pkg";	3825	warn "... unloading $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359		3826
2360	warn "unload all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363
2364	warn "removing <$k>";
2365	delete $INC{$k};
2366
2367	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;
2369
2370	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2371	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2372	}	3836	}
2373		3837
2374	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2375	}	3853	}
2376		3854
2377	warn "get rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3858
2381	warn "unload cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
		3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3862
2384	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3864	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2387		3866
		3867	warn "unload completed, starting to reload now";
		3868
2388	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2389	require cf;	3870	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2391		3872
2392	warn "load config and database again";	3873	warn "loading config and database again";
2393	cf::cfg_load;	3874	cf::reload_config;
2394	cf::db_load;
2395		3875
2396	warn "load extensions";	3876	warn "loading extensions";
2397	cf::load_extensions;	3877	cf::load_extensions;
2398		3878
		3879	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3881	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3882	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
		3884	warn "reattaching attachments to players";
		3885	reattach $_ for values %PLAYER;
		3886	}
		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
		3891	warn "leaving sync_job";
		3892
		3893	1
		3894	} or do {
		3895	warn $@;
		3896	cf::cleanup "error while reloading, exiting.";
		3897	};
		3898
		3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
		3905	};
		3906
		3907	our $RELOAD_WATCHER; # used only during reload
		3908
		3909	sub reload_perl() {
		3910	# doing reload synchronously and two reloads happen back-to-back,
		3911	# coro crashes during coro_state_free->destroy here.
		3912
		3913	$RELOAD_WATCHER ||= cf::async {
		3914	Coro::AIO::aio_wait cache_extensions;
		3915
		3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3917	do_reload_perl;
		3918	undef $RELOAD_WATCHER;
		3919	};
2403	};	3920	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3921	}
2456		3922
2457	register_command "reload" => sub {	3923	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2459		3925
2460	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
		3930	reload_perl;
		3931	};
2464	}	3932	}
2465	};	3933	};
2466		3934
2467	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2468		3936
2469	$TICK_WATCHER = Event->timer (	3937	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		3938
		3939	our @WAIT_FOR_TICK;
		3940	our @WAIT_FOR_TICK_BEGIN;
		3941
		3942	sub wait_for_tick {
		3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3944
		3945	my $signal = new Coro::Signal;
		3946	push @WAIT_FOR_TICK, $signal;
		3947	$signal->wait;
		3948	}
		3949
		3950	sub wait_for_tick_begin {
		3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3952
		3953	my $signal = new Coro::Signal;
		3954	push @WAIT_FOR_TICK_BEGIN, $signal;
		3955	$signal->wait;
		3956	}
		3957
		3958	sub tick {
		3959	if ($Coro::current != $Coro::main) {
		3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3961	unless ++$bug_warning > 10;
		3962	return;
		3963	}
		3964
2477	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		3966
2481	$WAIT_FOR_TICK->broadcast;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		3968
2484	# if we are delayed by four ticks or more, skip them all	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		3971	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	3972	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	3973	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2510	})->();	3975	};
2511	},	3976	}
2512	);	3977
		3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3979	$sig->send;
		3980	}
		3981	while (my $sig = shift @WAIT_FOR_TICK) {
		3982	$sig->send;
		3983	}
		3984
		3985	$LOAD = ($NOW - $TICK_START) / $TICK;
		3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3987
		3988	if (0) {
		3989	if ($NEXT_TICK) {
		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
		3994	}
		3995	}
		3996
		3997	{
		3998	# configure BDB
		3999
		4000	BDB::min_parallel 16;
		4001	BDB::max_poll_reqs $TICK * 0.1;
		4002	$AnyEvent::BDB::WATCHER->priority (1);
		4003
		4004	unless ($DB_ENV) {
		4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4011
		4012	cf::sync_job {
		4013	eval {
		4014	BDB::db_env_open
		4015	$DB_ENV,
		4016	$BDBDIR,
		4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4019	0666;
		4020
		4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4022	};
		4023
		4024	cf::cleanup "db_env_open(db): $@" if $@;
		4025	};
		4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
		4037	}
		4038
		4039	{
		4040	# configure IO::AIO
		4041
		4042	IO::AIO::min_parallel 8;
		4043	IO::AIO::max_poll_time $TICK * 0.1;
		4044	undef $AnyEvent::AIO::WATCHER;
		4045	}
		4046
		4047	my $_log_backtrace;
		4048
		4049	sub _log_backtrace {
		4050	my ($msg, @addr) = @_;
		4051
		4052	$msg =~ s/\n//;
		4053
		4054	# limit the # of concurrent backtraces
		4055	if ($_log_backtrace < 2) {
		4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
		4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
		4061	my @bt = fork_call {
		4062	@addr = map { sprintf "%x", $_ } @addr;
		4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4065	or die "addr2line: $!";
		4066
		4067	my @funcs;
		4068	my @res = <$fh>;
		4069	chomp for @res;
		4070	while (@res) {
		4071	my ($func, $line) = splice @res, 0, 2, ();
		4072	push @funcs, "[$func] $line";
		4073	}
		4074
		4075	@funcs
		4076	};
		4077
		4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4080	LOG llevInfo, "[ABT] $_\n" for @bt;
		4081	--$_log_backtrace;
		4082	};
		4083	} else {
		4084	LOG llevInfo, "[ABT] $msg\n";
		4085	LOG llevInfo, "[ABT] [suppressed]\n";
		4086	}
		4087	}
		4088
		4089	# load additional modules
		4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
2513		4092
2514	END { cf::emergency_save }	4093	END { cf::emergency_save }
2515		4094
2516	1	4095	1
2517		4096

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