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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	115	our $NEXT_TICK;
49	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
50		124
51	our %CFG;	125	our %CFG;
52		126
53	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
55		130
56	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		134
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
63		147
64	binmode STDOUT;	148	binmode STDOUT;
65	binmode STDERR;	149	binmode STDERR;
66		150
67	# read virtual server time, if available	151	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
72	}	156	}
73		157
74	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		159
80	# a special map that is always available	160	mkdir $_
81	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
82	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83		177
84	#############################################################################	178	#############################################################################
85		179
86	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
87		181
…		…
94	=item $cf::RUNTIME	188	=item $cf::RUNTIME
95		189
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	191	every server tick.
98		192
99	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		196
101	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
103		201
104	=item $cf::NOW	202	=item $cf::NOW
105		203
106	The time of the last (current) server tick.	204	The time of the last (current) server tick.
107		205
108	=item $cf::TICK	206	=item $cf::TICK
109		207
110	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
111		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
112	=item %cf::CFG	220	=item %cf::CFG
113		221
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	223	from wherever your confdir points to.
116		224
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		226
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
123		242
124	=back	243	=back
125		244
126	=cut	245	=cut
127		246
128	BEGIN {	247	$Coro::State::WARNHOOK = sub {
129	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	248	my $msg = join "", @_;
131	utf8::encode $msg;
132		249
133	$msg .= "\n"	250	$msg .= "\n"
134	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
135		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
136	LOG llevError, $msg;	255	LOG llevError, $msg;
137	};	256	};
138	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
139		271
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		279
147	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	281	# within the Safe compartment.
149	for my $pkg (qw(	282	for my $pkg (qw(
150	cf::global cf::attachable	283	cf::global cf::attachable
151	cf::object cf::object::player	284	cf::object cf::object::player
152	cf::client cf::player	285	cf::client cf::player
153	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
154	cf::map cf::party cf::region	288	cf::party cf::region
155	)) {	289	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	291	}
159		292
160	$Event::DIED = sub {	293	$EV::DIED = sub {
161	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
162	};	295	};
		296
		297	#############################################################################
163		298
164	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
165		300
166	=over 4	301	=over 4
167		302
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	322	$d
188	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
189	}	324	}
190		325
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
194		327
195	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
196		329
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
205		331
206	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
207		333
208	=cut	334	=cut
209		335
210	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
212	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
213	}	353	}
214		354
215	=item cf::lock_wait $string	355	=item cf::lock_wait $string
216		356
217	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
218		358
219	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
220		360
221	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
224	returned.	364	returned.
225		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
226	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
228		371
229	=cut	372	=item $locked = cf::lock_active $string
230		373
231	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
232		379
233	sub lock_wait($) {	380	sub lock_wait($) {
234	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	382	}
242		383
243	sub lock_acquire($) {	384	sub lock_acquire($) {
244	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
245		387
246	# wait, to be sure we are not locked	388	sub lock_active($) {
247	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	390	}
256		391
257	sub freeze_mainloop {	392	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
259		394
260	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	396	}
262	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
263	}	478	}
264		479
265	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
266		481
267	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		487
273	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
274		489
275	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
276		491
277	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
280		496
281	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
284	fast or be very important.	500	fast or be very important.
…		…
287		503
288	sub sync_job(&) {	504	sub sync_job(&) {
289	my ($job) = @_;	505	my ($job) = @_;
290		506
291	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
292	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
294		512
295	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	514
297	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
298		516
299	my $busy = 1;	517	my $busy = 1;
300	my @res;	518	my @res;
301		519
302	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	522	@res = eval { $job->() };
304	warn $@ if $@;	523	warn $@ if $@;
305	undef $busy;	524	undef $busy;
306	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
307		526
308	while ($busy) {	527	while ($busy) {
309	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
310	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
311		538
312	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
313	} else {	540	} else {
314	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
315		542
…		…
335	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
336		563
337	$coro	564	$coro
338	}	565	}
339		566
340	sub write_runtime {	567	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		568
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
344	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
345		573
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		575
350	aio_fsync $fh	576	sub fork_call(&@) {
351	and return;	577	my ($cb, @args) = @_;
352		578
353	close $fh	579	# we seemingly have to make a local copy of the whole thing,
354	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
355		582
356	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
357	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
358		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
359	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	754	}
361		755
362	=back	756	=back
363		757
364	=cut	758	=cut
365		759
366	#############################################################################	760	#############################################################################
367		761
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
496		763
497	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
500		767
501	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	770	Deliantra).
504		771
505	=over 4	772	=over 4
506		773
507	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
508		775
…		…
552	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
553		820
554	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
556		823
557	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
559		826
560	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
561		828
562	=over 4	829	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	890	our @CB_MAP = ();
624		891
625	my %attachment;	892	my %attachment;
626		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
627	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
629		902
630	use sort 'stable';	903	use sort 'stable';
631		904
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
666		939
667	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		944
672	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	946	my $pkg = shift @arg;
674		947
675	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
705	}	978	}
706		979
707	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
708	} else {	981	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	983	}
711		984
712	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
713	}	986	}
714		987
…		…
716	if (ref $_[0]) {	989	if (ref $_[0]) {
717	_object_attach @_;	990	_object_attach @_;
718	} else {	991	} else {
719	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
720	}	993	}
		994	_recalc_want;
721	};	995	};
722		996
723	# all those should be optimised	997	# all those should be optimised
724	sub cf::attachable::detach {	998	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1003	reattach ($obj);
730	} else {	1004	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
732	}	1006	}
		1007	_recalc_want;
733	};	1008	};
734		1009
735	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
737		1012
…		…
752	";	1027	";
753	die if $@;	1028	die if $@;
754	}	1029	}
755		1030
756	our $override;	1031	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1033
759	sub override {	1034	sub override {
760	$override = 1;	1035	$override = 1;
761	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
762	}	1037	}
763		1038
764	sub do_invoke {	1039	sub do_invoke {
765	my $event = shift;	1040	my $event = shift;
766	my $callbacks = shift;	1041	my $callbacks = shift;
767		1042
768	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
769		1044
770	local $override;	1045	local $override;
771		1046
772	for (@$callbacks) {	1047	for (@$callbacks) {
773	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
782	}	1057	}
783		1058
784	0	1059	0
785	}	1060	}
786		1061
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1063
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1065
791	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
792		1067
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1071
797	=back	1072	=back
798		1073
799	=cut	1074	=cut
800		1075
801	#############################################################################	1076	#############################################################################
802	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
803		1120
804	sub reattach {	1121	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1127
808	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
809		1129
810	@$registry = ();	1130	@$registry = ();
811		1131
…		…
826	cf::attachable->attach (	1146	cf::attachable->attach (
827	prio => -1000000,	1147	prio => -1000000,
828	on_instantiate => sub {	1148	on_instantiate => sub {
829	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
830		1150
831	$data = from_json $data;	1151	$data = decode_json $data;
832		1152
833	for (@$data) {	1153	for (@$data) {
834	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
835		1155
836	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1172	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
854		1174
855	sync_job {	1175	sync_job {
856	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
859		1180
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
863	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
864	close $fh;	1188	aio_close $fh;
865		1189
866	if (@$objs) {	1190	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
871	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
872	close $fh;	1199	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
874	}	1201	}
875	} else {	1202	} else {
876	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
877	}	1204	}
878		1205
879	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1210	} else {
881	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
882	}	1212	}
883	} else {	1213	} else {
884	aio_unlink $filename;	1214	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
886	}	1216	}
887	}	1217	};
888	}	1218	}
889		1219
890	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
892		1222
…		…
904	or return;	1234	or return;
905		1235
906	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
908	or return;	1238	or return;
		1239
909	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
910	}	1242	}
911		1243
		1244	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
914	return ($data, $av);	1248	($data, $av)
915	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
916		1256
917	#############################################################################	1257	#############################################################################
918	# command handling &c	1258	# command handling &c
919		1259
920	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1274	}
935		1275
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1277
938	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
939		1283
940	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
941	called.	1285	called.
942		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
943	=cut	1298	=cut
944		1299
945	sub register_extcmd {	1300	sub register_extcmd {
946	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
947		1302
948	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
949	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
950		1313
951	cf::player->attach (	1314	cf::player->attach (
952	on_command => sub {	1315	on_command => sub {
953	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
954		1317
…		…
962	cf::override;	1325	cf::override;
963	},	1326	},
964	on_extcmd => sub {	1327	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
966		1329
967	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1331
969	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
975	} else {	1347	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1349	}
978		1350
979	cf::override;	1351	cf::override;
980	},	1352	},
981	);	1353	);
982		1354
		1355	# "readahead" all extensions
983	sub load_extension {	1356	sub cache_extensions {
984	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
985		1358
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1362	}
990	$pkg = "ext::$pkg";	1363	};
991		1364
992	warn "loading '$path' into '$pkg'\n";	1365	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1366	}
1009		1367
1010	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1011	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1373	next unless -r $path;
1013	eval {	1374
1014	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
1015	1	1435	}
1016	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
1017	}	1446	};
1018	}	1447	}
1019		1448
1020	#############################################################################	1449	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1450
1023	*cf::mapsupport::on_clean = sub {	1451	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1452
1036	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1037		1454
1038	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1039		1456
1040	=cut	1457	=cut
1041		1458
1042	package cf::player;	1459	package cf::player;
1043		1460
…		…
1045		1462
1046	=head3 cf::player	1463	=head3 cf::player
1047		1464
1048	=over 4	1465	=over 4
1049		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
1050	=item cf::player::find $login	1481	=item cf::player::find $login
1051		1482
1052	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1053		1484
1054	=cut	1485	=cut
1055		1486
1056	sub playerdir($) {	1487	sub playerdir($) {
1057	cf::localdir	1488	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1490	}
1063		1491
1064	sub path($) {	1492	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1494
1067	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
1068	}	1496	}
1069		1497
1070	sub find_active($) {	1498	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1075		1503
1076	sub exists($) {	1504	sub exists($) {
1077	my ($login) = @_;	1505	my ($login) = @_;
1078		1506
1079	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1081	}	1509	}
1082		1510
1083	sub find($) {	1511	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1513	my $login = $_[0];
1086		1514
1087	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1088		1516
1089	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1093	}	1534	}
1094	}	1535	}
1095	}	1536	}
1096		1537
…		…
1105	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1106		1547
1107	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1109		1550
		1551	cf::get_slot 0.01;
		1552
1110	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1111	Coro::cede;	1554	cf::cede_to_tick;
1112	}	1555	}
1113		1556
1114	sub new($) {	1557	sub new($) {
1115	my ($login) = @_;	1558	my ($login) = @_;
1116		1559
…		…
1122	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1123		1566
1124	$self	1567	$self
1125	}	1568	}
1126		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1127	=item $pl->quit_character	1580	=item $pl->quit_character
1128		1581
1129	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1131		1584
1132	=cut	1585	=cut
1133		1586
1134	sub quit_character {	1587	sub quit_character {
1135	my ($pl) = @_;	1588	my ($pl) = @_;
1136		1589
		1590	my $name = $pl->ob->name;
		1591
1137	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1594
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1144		1601
1145	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
1150	IO::AIO::aio_rmtree $temp;	1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
1151	}	1628	}
1152		1629
1153	=item cf::player::list_logins	1630	=item cf::player::list_logins
1154		1631
1155	Returns am arrayref of all valid playernames in the system, can take a	1632	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1157		1634
1158	=cut	1635	=cut
1159		1636
1160	sub list_logins {	1637	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1639	or return [];
1163		1640
1164	my @logins;	1641	my @logins;
1165		1642
1166	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1170		1653
1171	utf8::decode $login;	1654	utf8::decode $login;
1172	push @logins, $login;	1655	push @logins, $login;
1173	}	1656	}
1174		1657
1175	\@logins	1658	\@logins
1176	}	1659	}
1177		1660
1178	=item $player->maps	1661	=item $player->maps
1179		1662
1180	Returns an arrayref of cf::path's of all maps that are private for this	1663	Returns an arrayref of map paths that are private for this
1181	player. May block.	1664	player. May block.
1182		1665
1183	=cut	1666	=cut
1184		1667
1185	sub maps($) {	1668	sub maps($) {
1186	my ($pl) = @_;	1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1672
1188	my $files = aio_readdir playerdir $pl	1673	my $files = aio_readdir playerdir $pl
1189	or return;	1674	or return;
1190		1675
1191	my @paths;	1676	my @paths;
…		…
1193	for (@$files) {	1678	for (@$files) {
1194	utf8::decode $_;	1679	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1680	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1197		1682
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1683	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1684	}
1200		1685
1201	\@paths	1686	\@paths
1202	}	1687	}
1203		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1205		1694
1206	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1207		1696
1208	=cut	1697	=cut
1209		1698
1210	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1212		1701
1213	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1703	}
1217		1704
1218	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1219		1745
1220	=back	1746	=back
1221
1222		1747
1223	=head3 cf::map	1748	=head3 cf::map
1224		1749
1225	=over 4	1750	=over 4
1226		1751
…		…
1229	package cf::map;	1754	package cf::map;
1230		1755
1231	use Fcntl;	1756	use Fcntl;
1232	use Coro::AIO;	1757	use Coro::AIO;
1233		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1234	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1236		1765
1237	sub generate_random_map {	1766	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1770
1240	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1772	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1781	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1254	}	1785	}
1255		1786
1256	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1788
1261	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1791	default).
1264		1792
1265	sub try_load_header($) {	1793	=cut
		1794
		1795	sub register {
		1796	my (undef, $regex, $prio) = @_;
		1797	my $pkg = caller;
		1798
		1799	no strict;
		1800	push @{"$pkg\::ISA"}, __PACKAGE__;
		1801
		1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1803	}
		1804
		1805	# also paths starting with '/'
		1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1807
		1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
		1811	# we have to keep some variables in memory intact
		1812	local $self->{path};
		1813	local $self->{load_path};
		1814
		1815	$self->SUPER::thawer_merge ($merge);
		1816	}
		1817
		1818	sub normalise {
1266	my ($path) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
		1824
		1825	# map plan:
		1826	#
		1827	# /! non-realised random map exit (special hack!)
		1828	# {... are special paths that are not being touched
		1829	# ?xxx/... are special absolute paths
		1830	# ?random/... random maps
		1831	# /... normal maps
		1832	# ~user/... per-player map of a specific user
		1833
		1834	$path =~ s/$PATH_SEP/\//go;
		1835
		1836	# treat it as relative path if it starts with
		1837	# something that looks reasonable
		1838	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1839	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1840
		1841	$base =~ s{[^/]+/?$}{};
		1842	$path = "$base/$path";
		1843	}
		1844
		1845	for ($path) {
		1846	redo if s{//}{/};
		1847	redo if s{/\.?/}{/};
		1848	redo if s{/[^/]+/\.\./}{/};
		1849	}
		1850
		1851	$path
		1852	}
		1853
		1854	sub new_from_path {
		1855	my (undef, $path, $base) = @_;
		1856
		1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1858
		1859	$path = normalise $path, $base;
		1860
		1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1863	my $self = bless cf::map::new, $pkg;
		1864	$self->{path} = $path; $self->path ($path);
		1865	$self->init; # pass $1 etc.
		1866	return $self;
		1867	}
		1868	}
		1869
		1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1871	()
		1872	}
		1873
		1874	sub init {
		1875	my ($self) = @_;
		1876
		1877	$self
		1878	}
		1879
		1880	sub as_string {
		1881	my ($self) = @_;
		1882
		1883	"$self->{path}"
		1884	}
		1885
		1886	# the displayed name, this is a one way mapping
		1887	sub visible_name {
		1888	&as_string
		1889	}
		1890
		1891	# the original (read-only) location
		1892	sub load_path {
		1893	my ($self) = @_;
		1894
		1895	"$MAPDIR/$self->{path}.map"
		1896	}
		1897
		1898	# the temporary/swap location
		1899	sub save_path {
		1900	my ($self) = @_;
		1901
		1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1903	"$TMPDIR/$path.map"
		1904	}
		1905
		1906	# the unique path, undef == no special unique path
		1907	sub uniq_path {
		1908	my ($self) = @_;
		1909
		1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1911	"$UNIQUEDIR/$path"
		1912	}
		1913
		1914	sub decay_objects {
		1915	my ($self) = @_;
		1916
		1917	return if $self->{deny_reset};
		1918
		1919	$self->do_decay_objects;
		1920	}
		1921
		1922	sub unlink_save {
		1923	my ($self) = @_;
		1924
		1925	utf8::encode (my $save = $self->save_path);
		1926	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1927	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1928	}
		1929
		1930	sub load_header_from($) {
		1931	my ($self, $path) = @_;
1267		1932
1268	utf8::encode $path;	1933	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1270	or return;	1935	or return;
1271		1936
1272	my $map = cf::map::new	1937	$self->_load_header ($f)
1273	or return;	1938	or return;
1274		1939
1275	# for better error messages only, will be overwritten	1940	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1941	$f->resolve_delayed_derefs;
1277		1942
1278	$map->load_header ($path)	1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1279	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1280		1989
1281	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1282		1992
1283	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1284	}	1997	}
1285		1998
1286	sub find;	1999	sub find;
1287	sub find {	2000	sub find {
1288	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1289		2002
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2004
1295	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2007
1300	# do it the slow way	2008	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2010	or return;
1319		2011
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1332		2013
1333	Coro::cede;	2014	$map->load_header
		2015	or return;
1334		2016
1335	if ($map->should_reset) {	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1336	$map->reset;	2022	$map->reset;
1337	undef $guard;
1338	$map = find $path	2023	return find $path;
1339	or return;
1340	}	2024	}
1341		2025
1342	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1343	}	2027	}
1344	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1345		2032
1346	sub load {	2033	sub load {
1347	my ($self) = @_;	2034	my ($self) = @_;
1348		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1349	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1351		2042
		2043	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2045
1354	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1355		2047
1356	$self->alloc;	2048	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1358	or return;	2056	or return;
1359		2057
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1361	if delete $self->{load_original};	2059	if delete $self->{load_original};
1362		2060
1363	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2062	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2065	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1368	}	2069	}
1369	}	2070	}
1370		2071
1371	Coro::cede;	2072	$f->resolve_delayed_derefs;
1372		2073
		2074	cf::cede_to_tick;
1373	# now do the right thing for maps	2075	# now do the right thing for maps
1374	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2078	unless $self->difficulty;
		2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1386	$self->activate;	2086	$self->activate;
1387	}	2087	}
1388		2088
1389	Coro::cede;	2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
1390		2091
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	sub customise_for {
		2099	my ($self, $ob) = @_;
		2100
		2101	return find "~" . $ob->name . "/" . $self->{path}
		2102	if $self->per_player;
		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
		2107	$self
1392	}	2108	}
1393		2109
1394	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2111	sub load_neighbours {
1396	my ($map) = @_;	2112	my ($map) = @_;
1397		2113
1398	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1399		2115
1400	for (0 .. 3) {	2116	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1402	or next;	2118	or next;
1403	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1404	or next;	2120	or next;
1405	$neigh->load;	2121	$neigh->load;
1406		2122
		2123	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2126	}
1410		2127
1411	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1413	or next;	2131	or next;
1414	$neigh->load;	2132	$neigh->load;
1415	}	2133	}
1416	}	2134	}
1417		2135
…		…
1422	}	2140	}
1423		2141
1424	sub do_load_sync {	2142	sub do_load_sync {
1425	my ($map) = @_;	2143	my ($map) = @_;
1426		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1427	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1428	}	2149	}
1429		2150
1430	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
		2152	our $MAP_PREFETCHER = undef;
		2153
		2154	sub find_async {
		2155	my ($path, $origin, $load) = @_;
		2156
		2157	$path = normalise $path, $origin && $origin->{path};
		2158
		2159	if (my $map = $cf::MAP{$path}) {
		2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2161	}
		2162
		2163	$MAP_PREFETCH{$path} |= $load;
		2164
1431	our $MAP_PREFETCHER = Coro::async {	2165	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2166	$Coro::current->{desc} = "map prefetcher";
		2167
1433	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2170	if (my $map = find $k) {
		2171	$map->load if $v;
		2172	}
		2173
1436	my $path = delete $MAP_PREFETCH{$key};	2174	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2175	}
1442	Coro::schedule;	2176	}
		2177	undef $MAP_PREFETCHER;
1443	}	2178	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2179	$MAP_PREFETCHER->prio (6);
1458		2180
1459	()	2181	()
1460	}	2182	}
1461		2183
1462	sub save {	2184	sub save {
1463	my ($self) = @_;	2185	my ($self) = @_;
1464		2186
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2188
1467	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1468		2190
1469	return unless $self->dirty;	2191	return unless $self->dirty;
1470		2192
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2193	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2194	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2195
1474	$self->{load_path} = $save;	2196	$self->{load_path} = $save;
1475		2197
1476	return if $self->{deny_save};	2198	return if $self->{deny_save};
1477		2199
1478	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1479		2201
1480	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1482	};	2205	};
1483		2206
		2207	cf::get_slot 0.02;
		2208
1484	if ($uniq) {	2209	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2212	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2214	}
1490	}	2215	}
1491		2216
1492	sub swap_out {	2217	sub swap_out {
1493	my ($self) = @_;	2218	my ($self) = @_;
1494		2219
1495	# save first because save cedes	2220	# save first because save cedes
1496	$self->save;	2221	$self->save;
1497		2222
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2224
1500	return if $self->players;	2225	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2227	return if $self->{deny_save};
1503		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2233	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2234	}
1507		2235
1508	sub reset_at {	2236	sub reset_at {
1509	my ($self) = @_;	2237	my ($self) = @_;
1510		2238
1511	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1514		2241
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2244
…		…
1522	my ($self) = @_;	2249	my ($self) = @_;
1523		2250
1524	$self->reset_at <= $cf::RUNTIME	2251	$self->reset_at <= $cf::RUNTIME
1525	}	2252	}
1526		2253
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2254	sub reset {
1549	my ($self) = @_;	2255	my ($self) = @_;
1550		2256
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2258
1553	return if $self->players;	2259	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2260
1556	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	# need to save uniques path
		2266	unless ($self->{deny_save}) {
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2270	if $uniq;
		2271	}
1557		2272
1558	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1559		2274
		2275	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2276	$_->clear_links_to ($self) for values %cf::MAP;
		2277	$self->clear;
1561		2278
1562	$self->unlink_save;	2279	$self->unlink_save;
1563	$self->destroy;	2280	$self->destroy;
1564	}	2281	}
1565		2282
1566	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1567		2284
1568	sub nuke {	2285	sub nuke {
1569	my ($self) = @_;	2286	my ($self) = @_;
1570		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
		2291	delete $cf::MAP{$self->path};
		2292
		2293	$self->unlink_save;
		2294
		2295	bless $self, "cf::map";
		2296	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2300
		2301	$cf::MAP{$self->path} = $self;
		2302	}
		2303
1574	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1575	}	2305	}
1576		2306
1577	sub customise_for {	2307	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2308
1580	if ($map->per_player) {	2309	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
1582	}	2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
		2323	}
1583		2324
1584	$map	2325	=item $maps = cf::map::random_maps
		2326
		2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
		2329
		2330	=cut
		2331
		2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
1585	}	2341	}
1586		2342
1587	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1588		2344
1589	Returns an arrayref of cf::path's of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2346	instantiated unique items. May block.
1591		2347
1592	=cut	2348	=cut
1593		2349
1594	sub unique_maps() {	2350	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1596	or return;	2352	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2353	utf8::decode $_;
1602	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2356	? ()
1605	push @paths, new cf::path $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2359	]
1607
1608	\@paths
1609	}	2360	}
1610		2361
1611	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1612		2393
1613	=back	2394	=back
1614		2395
1615	=head3 cf::object	2396	=head3 cf::object
1616		2397
…		…
1620		2401
1621	=over 4	2402	=over 4
1622		2403
1623	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1624		2405
1625	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1626		2408
1627	=cut	2409	=cut
1628		2410
1629	sub inv_recursive_;	2411	sub inv_recursive_;
1630	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1633		2415
1634	sub inv_recursive {	2416	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1636	}	2418	}
1637		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1638	package cf;	2448	package cf;
1639		2449
1640	=back	2450	=back
1641		2451
1642	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1651		2461
1652	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1653		2477
1654	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2479	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1659		2483
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2485
1662	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1664	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1667	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1668	}	2511	}
1669		2512
1670	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1671		2514
1672	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1685		2528
1686	=item $player_object->enter_link	2529	=item $player_object->enter_link
1687		2530
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2532
1690	The player should be reaosnably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
		2537
		2538	Will never block.
1692		2539
1693	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1694		2541
1695	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2545	fails, to the emergency map position.
1699		2546
1700	Might block.	2547	Might block.
1701		2548
1702	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($LINK_MAP) {
		2553	$LINK_MAP = cf::map::find "{link}"
		2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2555	$LINK_MAP->load;
		2556	}
		2557
		2558	$LINK_MAP
		2559	}
1703		2560
1704	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2562	my ($self) = @_;
1706		2563
1707	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1708		2565
1709	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2567
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1713		2570
1714	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2572	}
1716		2573
1717	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1719		2578
1720	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1721		2580
1722	unless ($map) {	2581	unless ($map) {
1723	# restore original map position	2582	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1736		2595
1737	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1740		2599
1741	$map->load;	2600	$map->load;
1742	$map->load_diag;	2601	$map->load_neighbours;
1743		2602
1744	return unless $self->contr->active;	2603	return unless $self->contr->active;
		2604
		2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2606	$self->enter_map ($map, $x, $y);
		2607
		2608	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2609	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2610	}
1748		2611
1749	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2613
1753	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1757	};	2618	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2619
1763	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2622
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1784		2626
1785	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2629
1788	$path = new cf::path $path;	2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2632
1790	$self->enter_link;	2633	$self->enter_link;
1791		2634
1792	(async {	2635	(async {
1793	my $map = cf::map::find $path->as_string;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1795		2662	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1800		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1802	})->prio (1);	2681	})->prio (1);
1803	}	2682	}
1804		2683
1805	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1806		2685
…		…
1808		2687
1809	sub parse_random_map_params {	2688	sub parse_random_map_params {
1810	my ($spec) = @_;	2689	my ($spec) = @_;
1811		2690
1812	my $rmp = { # defaults	2691	my $rmp = { # defaults
1813	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1815	};	2696	};
1816		2697
1817	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1819		2700
…		…
1831	# that depends on the exit object	2712	# that depends on the exit object
1832		2713
1833	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1834		2715
1835	if ($exit->map) {	2716	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1840	}	2723	}
1841		2724
1842	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1843		2726
1844	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1846		2730
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1849		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1852	}	2742	}
1853	}	2743	}
1854		2744
1855	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1859		2749
1860	$self->enter_link;	2750	$self->enter_link;
1861		2751
1862	(async {	2752	(async {
1863	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1864	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1865	prepare_random_map $exit	2762	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1867		2765
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1870		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1871	1;	2776	1
1872	}) {	2777	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2782
1878	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2784	$self->leave_link;
1880	}	2785	}
1881	})->prio (1);	2786	})->prio (1);
…		…
1894		2799
1895	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1897		2802
1898	utf8::encode $text;	2803	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2805	}
1901		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1902		3028
1903	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1904		3030
1905	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3034
1909	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3036	become reliable at some point in the future.
1911		3037
1912	=cut	3038	=cut
1913		3039
1914	sub cf::client::query {	3040	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3049	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3051
1926	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
1928	}	3056	}
1929		3057
1930	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
1931	on_reply => sub {	3064	on_reply => sub {
1932	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
1933		3066
1934	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
1935	# get handled first	3068	# get handled first
1936	my $queue = delete $ns->{query_queue}	3069	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3070	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3071
1939	(shift @$queue)->[1]->($msg);	3072	(shift @$queue)->[1]->($msg);
		3073	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3074
1941	push @{ $ns->{query_queue} }, @$queue;	3075	push @{ $ns->{query_queue} }, @$queue;
1942		3076
1943	if (@{ $ns->{query_queue} } == @$queue) {	3077	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3078	if (@$queue) {
…		…
1946	} else {	3080	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3082	}
1949	}	3083	}
1950	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
1951	);	3111	);
1952		3112
1953	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
1954		3114
1955	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
1998		3158
1999	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2000		3160
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2002		3166
2003	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2004		3168
2005	=pod	3169	=pod
2006		3170
2007	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2008		3172
2009	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2010	cf::object::player player	3178	cf::object::player
2011	cf::player peaceful	3179	player
2012	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2013		3186
2014	=cut	3187	=cut
2015		3188
2016	for (	3189	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2021	) {	3196	) {
2022	no strict 'refs';	3197	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2042		3217
2043	my $qcode = $code;	3218	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2046		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2047	local $_;	3225	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3226
2050	my $eval =	3227	my $eval =
2051	"do {\n"	3228	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3231	. $code
2055	. "\n}"	3232	. "\n}"
2056	;	3233	;
2057		3234
		3235	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2061		3244
2062	if ($@) {	3245	if ($@) {
2063	warn "$@";	3246	warn "$@";
2064	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2065	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2084	=cut	3267	=cut
2085		3268
2086	sub register_script_function {	3269	sub register_script_function {
2087	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2088		3271
2089	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2091	}	3274	}
2092		3275
2093	=back	3276	=back
2094		3277
2095	=cut	3278	=cut
2096		3279
2097	#############################################################################	3280	#############################################################################
		3281	# the server's init and main functions
2098		3282
2099	=head2 EXTENSION DATABASE SUPPORT	3283	sub load_facedata($) {
		3284	my ($path) = @_;
2100		3285
2101	Crossfire maintains a very simple database for extension use. It can	3286	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3287	# for this (global event?)
2103	excludes objects.	3288	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3289
2105	The parameter C<$family> should best start with the name of the extension	3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3291
2108	=over 4	3292	warn "loading facedata from $path\n";
2109		3293
2110	=item $hashref = cf::db_get $family	3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
2111		3297
2112	Return a hashref for use by the extension C<$family>, which can be	3298	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3299
2116	=item $value = cf::db_get $family => $key	3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3302
2118	Returns a single value from the database	3303	# patch in the exptable
2119		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3305	$facedata->{resource}{"res/exp_table"} = {
2121		3306	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3307	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3308	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3309	};
		3310	cf::cede_to_tick;
2171		3311
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3312	{
		3313	my $faces = $facedata->{faceinfo};
2176		3314
2177	sub db_get($;$) {	3315	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3317
2183	sub db_put($$;$) {	3318	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3319	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3322
2192	cf::global->attach (	3323	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3324	}
2197	);
2198	}
2199		3325
2200	#############################################################################	3326	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3327	next unless $info->{smooth};
2202		3328
2203	sub cfg_load {	3329	my $idx = cf::face::find $face
		3330	or next;
		3331
		3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3335	} else {
		3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3337	}
		3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
		3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
		3373	1
		3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
		3443	sub reload_resources {
		3444	warn "reloading resource files...\n";
		3445
		3446	reload_facedata;
		3447	reload_archetypes;
		3448	reload_regions;
		3449	reload_treasures;
		3450
		3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3458	or return;
2206		3459
2207	local $/;	3460	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2209		3462
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3464
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3472	};
2220	warn $@ if $@;	3473	warn $@ if $@;
2221	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3505	}
2223		3506
2224	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2225	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3525	(async {
		3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
		3528	})->prio (Coro::PRIO_MAX);
2229	};	3529	};
2230		3530
2231	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
		3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2233	load_extensions;	3550	load_extensions;
2234	Event::loop;	3551
		3552	utime time, time, $RUNTIMEFILE;
		3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2235	}	3562	}
2236		3563
2237	#############################################################################	3564	#############################################################################
2238	# initialisation and cleanup	3565	# initialisation and cleanup
2239		3566
2240	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2241	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2248	},
2249	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	# first touch the runtime file to show we are still running:
		3579	# the fsync below can take a very very long time.
		3580
		3581	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3582
		3583	my $guard = cf::lock_acquire "write_runtime";
		3584
		3585	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3586	or return;
		3587
		3588	my $value = $cf::RUNTIME + 90 + 10;
		3589	# 10 is the runtime save interval, for a monotonic clock
		3590	# 60 allows for the watchdog to kill the server.
		3591
		3592	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3593	and return;
		3594
		3595	# always fsync - this file is important
		3596	aio_fsync $fh
		3597	and return;
		3598
		3599	# touch it again to show we are up-to-date
		3600	aio_utime $fh, undef, undef;
		3601
		3602	close $fh
		3603	or return;
		3604
		3605	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3606	and return;
		3607
		3608	warn "runtime file written.\n";
		3609
2250	}	3610	1
		3611	}
		3612
		3613	our $uuid_lock;
		3614	our $uuid_skip;
		3615
		3616	sub write_uuid_sync($) {
		3617	$uuid_skip ||= $_[0];
		3618
		3619	return if $uuid_lock;
		3620	local $uuid_lock = 1;
		3621
		3622	my $uuid = "$LOCALDIR/uuid";
		3623
		3624	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3625	or return;
		3626
		3627	my $value = uuid_seq uuid_cur;
		3628
		3629	unless ($value) {
		3630	warn "cowardly refusing to write zero uuid value!\n";
		3631	return;
		3632	}
		3633
		3634	my $value = uuid_str $value + $uuid_skip;
		3635	$uuid_skip = 0;
		3636
		3637	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3638	and return;
		3639
		3640	# always fsync - this file is important
		3641	aio_fsync $fh
		3642	and return;
		3643
		3644	close $fh
		3645	or return;
		3646
		3647	aio_rename "$uuid~", $uuid
		3648	and return;
		3649
		3650	warn "uuid file written ($value).\n";
		3651
		3652	1
		3653
		3654	}
		3655
		3656	sub write_uuid($$) {
		3657	my ($skip, $sync) = @_;
		3658
		3659	$sync ? write_uuid_sync $skip
		3660	: async { write_uuid_sync $skip };
2251	}	3661	}
2252		3662
2253	sub emergency_save() {	3663	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3664	my $freeze_guard = cf::freeze_mainloop;
2255		3665
2256	warn "enter emergency perl save\n";	3666	warn "emergency_perl_save: enter\n";
2257		3667
2258	cf::sync_job {	3668	cf::sync_job {
		3669	# this is a trade-off: we want to be very quick here, so
		3670	# save all maps without fsync, and later call a global sync
		3671	# (which in turn might be very very slow)
		3672	local $USE_FSYNC = 0;
		3673
2259	# use a peculiar iteration method to avoid tripping on perl	3674	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3675	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3676	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3677	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3678	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3679	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3680	$pl->valid or next;
		3681	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3682	$pl->save;
2267	}	3683	}
2268	warn "end emergency player save\n";	3684	warn "emergency_perl_save: end player save\n";
2269		3685
2270	warn "begin emergency map save\n";	3686	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3687	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3688	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3689	$map->valid or next;
2274	$map->save;	3690	$map->save;
2275	}	3691	}
2276	warn "end emergency map save\n";	3692	warn "emergency_perl_save: end map save\n";
		3693
		3694	warn "emergency_perl_save: begin database checkpoint\n";
		3695	BDB::db_env_txn_checkpoint $DB_ENV;
		3696	warn "emergency_perl_save: end database checkpoint\n";
		3697
		3698	warn "emergency_perl_save: begin write uuid\n";
		3699	write_uuid_sync 1;
		3700	warn "emergency_perl_save: end write uuid\n";
2277	};	3701	};
2278		3702
		3703	warn "emergency_perl_save: starting sync()\n";
		3704	IO::AIO::aio_sync sub {
		3705	warn "emergency_perl_save: finished sync()\n";
		3706	};
		3707
2279	warn "leave emergency perl save\n";	3708	warn "emergency_perl_save: leave\n";
2280	}	3709	}
2281		3710
		3711	sub post_cleanup {
		3712	my ($make_core) = @_;
		3713
		3714	warn Carp::longmess "post_cleanup backtrace"
		3715	if $make_core;
		3716
		3717	my $fh = pidfile;
		3718	unlink $PIDFILE if <$fh> == $$;
		3719	}
		3720
		3721	# a safer delete_package, copied from Symbol
		3722	sub clear_package($) {
		3723	my $pkg = shift;
		3724
		3725	# expand to full symbol table name if needed
		3726	unless ($pkg =~ /^main::.*::$/) {
		3727	$pkg = "main$pkg" if $pkg =~ /^::/;
		3728	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3729	$pkg .= '::' unless $pkg =~ /::$/;
		3730	}
		3731
		3732	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3733	my $stem_symtab = *{$stem}{HASH};
		3734
		3735	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3736	or return;
		3737
		3738	# clear all symbols
		3739	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3740	for my $name (keys %$leaf_symtab) {
		3741	_gv_clear *{"$pkg$name"};
		3742	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3743	}
		3744	warn "cleared package $pkg\n";#d#
		3745	}
		3746
2282	sub reload() {	3747	sub do_reload_perl() {
2283	# can/must only be called in main	3748	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3750	warn "can only reload from main coroutine";
2286	return;	3751	return;
2287	}	3752	}
2288		3753
		3754	return if $RELOAD++;
		3755
		3756	my $t1 = EV::time;
		3757
		3758	while ($RELOAD) {
2289	warn "reloading...";	3759	warn "reloading...";
2290		3760
2291	warn "freezing server";	3761	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3762
		3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3765	cf::emergency_save;
		3766	cf::write_runtime_sync; # external watchdog should not bark
2294		3767
2295	warn "sync database to disk";	3768	warn "syncing database to disk";
2296	cf::db_sync;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3770
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3771	# if anything goes wrong in here, we should simply crash as we already saved
2301		3772
2302	warn "cancel all watchers";	3773	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3774	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3775	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3776	}
2327		3777
2328	Symbol::delete_package $pkg;	3778	warn "cancelling all extension coros";
2329	}	3779	$_->cancel for values %EXT_CORO;
		3780	%EXT_CORO = ();
2330		3781
2331	warn "unload all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335	warn "removing <$k>";	3782	warn "removing commands";
2336	delete $INC{$k};	3783	%COMMAND = ();
2337		3784
2338	$k =~ s/\.pm$//;	3785	warn "removing ext/exti commands";
2339	$k =~ s/\//::/g;	3786	%EXTCMD = ();
		3787	%EXTICMD = ();
2340		3788
		3789	warn "unloading/nuking all extensions";
		3790	for my $pkg (@EXTS) {
		3791	warn "... unloading $pkg";
		3792
2341	if (my $cb = $k->can ("unload_module")) {	3793	if (my $cb = $pkg->can ("unload")) {
		3794	eval {
2342	$cb->();	3795	$cb->($pkg);
		3796	1
		3797	} or warn "$pkg unloaded, but with errors: $@";
		3798	}
		3799
		3800	warn "... clearing $pkg";
		3801	clear_package $pkg;
2343	}	3802	}
2344		3803
2345	Symbol::delete_package $k;	3804	warn "unloading all perl modules loaded from $LIBDIR";
		3805	while (my ($k, $v) = each %INC) {
		3806	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3807
		3808	warn "... unloading $k";
		3809	delete $INC{$k};
		3810
		3811	$k =~ s/\.pm$//;
		3812	$k =~ s/\//::/g;
		3813
		3814	if (my $cb = $k->can ("unload_module")) {
		3815	$cb->();
		3816	}
		3817
		3818	clear_package $k;
2346	}	3819	}
2347		3820
2348	warn "get rid of safe::, as good as possible";	3821	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3822	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3823	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3824
2352	warn "unload cf.pm \"a bit\"";	3825	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3826	delete $INC{"cf.pm"};
		3827	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3828
2355	# don't, removes xs symbols, too,	3829	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3830	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3831	#clear_package __PACKAGE__;
2358		3832
		3833	warn "unload completed, starting to reload now";
		3834
2359	warn "reloading cf.pm";	3835	warn "reloading cf.pm";
2360	require cf;	3836	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3837	cf::_connect_to_perl_1;
2362		3838
2363	warn "load config and database again";	3839	warn "loading config and database again";
2364	cf::cfg_load;	3840	cf::reload_config;
2365	cf::db_load;
2366		3841
2367	warn "load extensions";	3842	warn "loading extensions";
2368	cf::load_extensions;	3843	cf::load_extensions;
2369		3844
		3845	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3846	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3847	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3848	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3849	reattach $_ for values %MAP;
		3850	warn "reattaching attachments to players";
		3851	reattach $_ for values %PLAYER;
		3852	}
		3853
		3854	warn "running post_init jobs";
		3855	(pop @POST_INIT)->(1) while @POST_INIT;
		3856
		3857	warn "leaving sync_job";
		3858
		3859	1
		3860	} or do {
		3861	warn $@;
		3862	cf::cleanup "error while reloading, exiting.";
		3863	};
		3864
		3865	warn "reloaded";
		3866	--$RELOAD;
		3867	}
		3868
		3869	$t1 = EV::time - $t1;
		3870	warn "reload completed in ${t1}s\n";
		3871	};
		3872
		3873	our $RELOAD_WATCHER; # used only during reload
		3874
		3875	sub reload_perl() {
		3876	# doing reload synchronously and two reloads happen back-to-back,
		3877	# coro crashes during coro_state_free->destroy here.
		3878
		3879	$RELOAD_WATCHER ||= cf::async {
		3880	Coro::AIO::aio_wait cache_extensions;
		3881
		3882	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3883	do_reload_perl;
		3884	undef $RELOAD_WATCHER;
		3885	};
2374	};	3886	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3887	}
2427		3888
2428	register_command "reload" => sub {	3889	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3890	my ($who, $arg) = @_;
2430		3891
2431	if ($who->flag (FLAG_WIZ)) {	3892	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3893	$who->message ("reloading server.");
		3894	async {
		3895	$Coro::current->{desc} = "perl_reload";
		3896	reload_perl;
		3897	};
2435	}	3898	}
2436	};	3899	};
2437		3900
2438	unshift @INC, $LIBDIR;	3901	unshift @INC, $LIBDIR;
2439		3902
2440	$TICK_WATCHER = Event->timer (	3903	my $bug_warning = 0;
2441	reentrant => 0,	3904
2442	prio => 0,	3905	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3906	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3907
2445	cb => sub {	3908	sub wait_for_tick {
		3909	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub wait_for_tick_begin {
		3917	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3918
		3919	my $signal = new Coro::Signal;
		3920	push @WAIT_FOR_TICK_BEGIN, $signal;
		3921	$signal->wait;
		3922	}
		3923
		3924	sub tick {
		3925	if ($Coro::current != $Coro::main) {
		3926	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3927	unless ++$bug_warning > 10;
		3928	return;
		3929	}
		3930
2446	cf::server_tick; # one server iteration	3931	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3932
2450	$WAIT_FOR_TICK->broadcast;	3933	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452		3934
2453	# if we are delayed by four ticks or more, skip them all	3935	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3936	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455		3937	Coro::async_pool {
2456	$TICK_WATCHER->at ($NEXT_TICK);	3938	$Coro::current->{desc} = "runtime saver";
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3939	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3940	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3941	};
2480	},	3942	}
2481	);	3943
		3944	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3945	$sig->send;
		3946	}
		3947	while (my $sig = shift @WAIT_FOR_TICK) {
		3948	$sig->send;
		3949	}
		3950
		3951	$LOAD = ($NOW - $TICK_START) / $TICK;
		3952	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3953
		3954	if (0) {
		3955	if ($NEXT_TICK) {
		3956	my $jitter = $TICK_START - $NEXT_TICK;
		3957	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3958	warn "jitter $JITTER\n";#d#
		3959	}
		3960	}
		3961	}
		3962
		3963	{
		3964	# configure BDB
		3965
		3966	BDB::min_parallel 16;
		3967	BDB::max_poll_reqs $TICK * 0.1;
		3968	$AnyEvent::BDB::WATCHER->priority (1);
		3969
		3970	unless ($DB_ENV) {
		3971	$DB_ENV = BDB::db_env_create;
		3972	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3973	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3974	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3975	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3976	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3977
		3978	cf::sync_job {
		3979	eval {
		3980	BDB::db_env_open
		3981	$DB_ENV,
		3982	$BDBDIR,
		3983	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3984	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3985	0666;
		3986
		3987	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3988	};
		3989
		3990	cf::cleanup "db_env_open(db): $@" if $@;
		3991	};
		3992	}
		3993
		3994	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3995	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3996	};
		3997	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3998	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3999	};
		4000	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4001	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4002	};
		4003	}
		4004
		4005	{
		4006	# configure IO::AIO
		4007
		4008	IO::AIO::min_parallel 8;
		4009	IO::AIO::max_poll_time $TICK * 0.1;
		4010	undef $AnyEvent::AIO::WATCHER;
		4011	}
		4012
		4013	my $_log_backtrace;
		4014
		4015	sub _log_backtrace {
		4016	my ($msg, @addr) = @_;
		4017
		4018	$msg =~ s/\n//;
		4019
		4020	# limit the # of concurrent backtraces
		4021	if ($_log_backtrace < 2) {
		4022	++$_log_backtrace;
		4023	my $perl_bt = Carp::longmess $msg;
		4024	async {
		4025	$Coro::current->{desc} = "abt $msg";
		4026
		4027	my @bt = fork_call {
		4028	@addr = map { sprintf "%x", $_ } @addr;
		4029	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4030	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4031	or die "addr2line: $!";
		4032
		4033	my @funcs;
		4034	my @res = <$fh>;
		4035	chomp for @res;
		4036	while (@res) {
		4037	my ($func, $line) = splice @res, 0, 2, ();
		4038	push @funcs, "[$func] $line";
		4039	}
		4040
		4041	@funcs
		4042	};
		4043
		4044	LOG llevInfo, "[ABT] $perl_bt\n";
		4045	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4046	LOG llevInfo, "[ABT] $_\n" for @bt;
		4047	--$_log_backtrace;
		4048	};
		4049	} else {
		4050	LOG llevInfo, "[ABT] $msg\n";
		4051	LOG llevInfo, "[ABT] [suppressed]\n";
		4052	}
		4053	}
		4054
		4055	# load additional modules
		4056	require "cf/$_.pm" for @EXTRA_MODULES;
		4057	cf::_connect_to_perl_2;
2482		4058
2483	END { cf::emergency_save }	4059	END { cf::emergency_save }
2484		4060
2485	1	4061	1
2486		4062

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