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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.501 by root, Sat Jan 16 23:27:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	115	our $NEXT_TICK;
50	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);
51		124
52	our %CFG;	125	our %CFG;
53		126
54	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
56		130
57	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		134
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
64		147
65	binmode STDOUT;	148	binmode STDOUT;
66	binmode STDERR;	149	binmode STDERR;
67		150
68	# read virtual server time, if available	151	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
73	}	156	}
74		157
75	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		159
81	# a special map that is always available	160	mkdir $_
82	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
83	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::"} };
84		177
85	#############################################################################	178	#############################################################################
86		179
87	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
88		181
…		…
95	=item $cf::RUNTIME	188	=item $cf::RUNTIME
96		189
97	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
98	every server tick.	191	every server tick.
99		192
100	=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
101		196
102	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		201
105	=item $cf::NOW	202	=item $cf::NOW
106		203
107	The time of the last (current) server tick.	204	The time of the last (current) server tick.
108		205
109	=item $cf::TICK	206	=item $cf::TICK
110		207
111	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	220	=item %cf::CFG
114		221
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	223	from wherever your confdir points to.
117		224
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		226
120	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
121	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
122	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.
123	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.
124		242
125	=back	243	=back
126		244
127	=cut	245	=cut
128		246
129	BEGIN {	247	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	248	my $msg = join "", @_;
132	utf8::encode $msg;
133		249
134	$msg .= "\n"	250	$msg .= "\n"
135	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
136		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
137	LOG llevError, $msg;	255	LOG llevError, $msg;
138	};	256	};
139	}	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	};
140		271
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		279
148	# 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
149	# within the Safe compartment.	281	# within the Safe compartment.
150	for my $pkg (qw(	282	for my $pkg (qw(
151	cf::global cf::attachable	283	cf::global cf::attachable
152	cf::object cf::object::player	284	cf::object cf::object::player
153	cf::client cf::player	285	cf::client cf::player
154	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
155	cf::map cf::party cf::region	288	cf::party cf::region
156	)) {	289	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	291	}
160		292
161	$Event::DIED = sub {	293	$EV::DIED = sub {
162	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
163	};	295	};
		296
		297	#############################################################################
164		298
165	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
166		300
167	=over 4	301	=over 4
168		302
…		…
187	$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;
188	$d	322	$d
189	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
190	}	324	}
191		325
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
195		327
196	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
197		329
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
206		331
207	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
208		333
209	=cut	334	=cut
210		335
211	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
213	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;
214	}	353	}
215		354
216	=item cf::lock_wait $string	355	=item cf::lock_wait $string
217		356
218	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
219		358
220	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
221		360
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
225	returned.	364	returned.
226		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
227	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
228	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
229		371
230	=cut	372	=item $locked = cf::lock_active $string
231		373
232	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
233		379
234	sub lock_wait($) {	380	sub lock_wait($) {
235	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	382	}
243		383
244	sub lock_acquire($) {	384	sub lock_acquire($) {
245	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
246		387
247	# wait, to be sure we are not locked	388	sub lock_active($) {
248	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	390	}
257		391
258	sub freeze_mainloop {	392	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
260		394
261	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	396	}
263	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
264	}	471	}
265		472
266	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
267		474
268	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		480
274	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
275		482
276	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
277		484
278	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
281		489
282	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
285	fast or be very important.	493	fast or be very important.
…		…
288		496
289	sub sync_job(&) {	497	sub sync_job(&) {
290	my ($job) = @_;	498	my ($job) = @_;
291		499
292	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
293	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
295		505
296	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	507
298	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
299		509
300	my $busy = 1;	510	my $busy = 1;
301	my @res;	511	my @res;
302		512
303	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	515	@res = eval { $job->() };
305	warn $@ if $@;	516	warn $@ if $@;
306	undef $busy;	517	undef $busy;
307	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
308		519
309	while ($busy) {	520	while ($busy) {
310	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
311	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
312		531
313	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
314	} else {	533	} else {
315	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
316		535
…		…
336	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
337		556
338	$coro	557	$coro
339	}	558	}
340		559
341	sub write_runtime {	560	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		561
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
345	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
346		566
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		568
351	aio_fsync $fh	569	sub fork_call(&@) {
352	and return;	570	my ($cb, @args) = @_;
353		571
354	close $fh	572	# we seemingly have to make a local copy of the whole thing,
355	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
356		575
357	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
358	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
359		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
360	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	747	}
362		748
363	=back	749	=back
364		750
365	=cut	751	=cut
366		752
367	#############################################################################	753	#############################################################################
368		754
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
525		756
526	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
529		760
530	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	763	Deliantra).
533		764
534	=over 4	765	=over 4
535		766
536	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
537		768
…		…
581	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
582		813
583	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
585		816
586	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
588		819
589	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
590		821
591	=over 4	822	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	883	our @CB_MAP = ();
653		884
654	my %attachment;	885	my %attachment;
655		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
656	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
658		895
659	use sort 'stable';	896	use sort 'stable';
660		897
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
695		932
696	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		937
701	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	939	my $pkg = shift @arg;
703		940
704	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
734	}	971	}
735		972
736	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
737	} else {	974	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	976	}
740		977
741	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
742	}	979	}
743		980
…		…
745	if (ref $_[0]) {	982	if (ref $_[0]) {
746	_object_attach @_;	983	_object_attach @_;
747	} else {	984	} else {
748	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
749	}	986	}
		987	_recalc_want;
750	};	988	};
751		989
752	# all those should be optimised	990	# all those should be optimised
753	sub cf::attachable::detach {	991	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
758	reattach ($obj);	996	reattach ($obj);
759	} else {	997	} else {
760	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
761	}	999	}
		1000	_recalc_want;
762	};	1001	};
763		1002
764	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
766		1005
…		…
781	";	1020	";
782	die if $@;	1021	die if $@;
783	}	1022	}
784		1023
785	our $override;	1024	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1026
788	sub override {	1027	sub override {
789	$override = 1;	1028	$override = 1;
790	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
791	}	1030	}
792		1031
793	sub do_invoke {	1032	sub do_invoke {
794	my $event = shift;	1033	my $event = shift;
795	my $callbacks = shift;	1034	my $callbacks = shift;
796		1035
797	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
798		1037
799	local $override;	1038	local $override;
800		1039
801	for (@$callbacks) {	1040	for (@$callbacks) {
802	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
811	}	1050	}
812		1051
813	0	1052	0
814	}	1053	}
815		1054
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1056
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1058
820	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
821		1060
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1064
826	=back	1065	=back
827		1066
828	=cut	1067	=cut
829		1068
830	#############################################################################	1069	#############################################################################
831	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
832		1113
833	sub reattach {	1114	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1120
837	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
838		1122
839	@$registry = ();	1123	@$registry = ();
840		1124
…		…
855	cf::attachable->attach (	1139	cf::attachable->attach (
856	prio => -1000000,	1140	prio => -1000000,
857	on_instantiate => sub {	1141	on_instantiate => sub {
858	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
859		1143
860	$data = from_json $data;	1144	$data = decode_json $data;
861		1145
862	for (@$data) {	1146	for (@$data) {
863	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
864		1148
865	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1165	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
883		1167
884	sync_job {	1168	sync_job {
885	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
888		1173
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1177	if ($cf::USE_FSYNC) {
		1178	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;
892	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
893	close $fh;	1181	aio_close $fh;
894		1182
895	if (@$objs) {	1183	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		1188	if ($cf::USE_FSYNC) {
		1189	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;
900	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
901	close $fh;	1192	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
903	}	1194	}
904	} else {	1195	} else {
905	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
906	}	1197	}
907		1198
908	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1203	} else {
910	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
911	}	1205	}
912	} else {	1206	} else {
913	aio_unlink $filename;	1207	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
915	}	1209	}
916	}	1210	};
917	}	1211	}
918		1212
919	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
921		1215
…		…
933	or return;	1227	or return;
934		1228
935	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
937	or return;	1231	or return;
		1232
938	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
939	}	1235	}
940		1236
		1237	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
943	return ($data, $av);	1241	($data, $av)
944	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
945		1249
946	#############################################################################	1250	#############################################################################
947	# command handling &c	1251	# command handling &c
948		1252
949	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1267	}
964		1268
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1270
967	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
968		1276
969	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
970	called.	1278	called.
971		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
972	=cut	1291	=cut
973		1292
974	sub register_extcmd {	1293	sub register_extcmd {
975	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
976		1295
977	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
978	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
979		1306
980	cf::player->attach (	1307	cf::player->attach (
981	on_command => sub {	1308	on_command => sub {
982	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
983		1310
…		…
991	cf::override;	1318	cf::override;
992	},	1319	},
993	on_extcmd => sub {	1320	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
995		1322
996	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1324
998	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
1004	} else {	1340	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1342	}
1007		1343
1008	cf::override;	1344	cf::override;
1009	},	1345	},
1010	);	1346	);
1011		1347
		1348	# "readahead" all extensions
1012	sub load_extension {	1349	sub cache_extensions {
1013	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
1014		1351
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1016	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1355	}
1019	$pkg = "ext::$pkg";	1356	};
1020		1357
1021	warn "... loading '$path' into '$pkg'\n";	1358	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1359	}
1038		1360
1039	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1040	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1366	next unless -r $path;
1042	eval {	1367
1043	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
1044	1	1424	}
1045	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1046	}	1430	};
1047	}	1431	}
1048		1432
1049	#############################################################################	1433	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1434
1052	*cf::mapsupport::on_clean = sub {	1435	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1436
1065	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1066		1438
1067	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1068		1440
1069	=cut	1441	=cut
1070		1442
1071	package cf::player;	1443	package cf::player;
1072		1444
…		…
1074		1446
1075	=head3 cf::player	1447	=head3 cf::player
1076		1448
1077	=over 4	1449	=over 4
1078		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
1079	=item cf::player::find $login	1465	=item cf::player::find $login
1080		1466
1081	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1082		1468
1083	=cut	1469	=cut
1084		1470
1085	sub playerdir($) {	1471	sub playerdir($) {
1086	cf::localdir	1472	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1474	}
1092		1475
1093	sub path($) {	1476	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1478
1096	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1097	}	1480	}
1098		1481
1099	sub find_active($) {	1482	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1104		1487
1105	sub exists($) {	1488	sub exists($) {
1106	my ($login) = @_;	1489	my ($login) = @_;
1107		1490
1108	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1110	}	1493	}
1111		1494
1112	sub find($) {	1495	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1497	my $login = $_[0];
1115		1498
1116	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1117		1500
1118	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1122	}	1518	}
1123	}	1519	}
1124	}	1520	}
1125		1521
…		…
1134	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1135		1531
1136	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1138		1534
		1535	cf::get_slot 0.01;
		1536
1139	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1140	Coro::cede;	1538	cf::cede_to_tick;
1141	}	1539	}
1142		1540
1143	sub new($) {	1541	sub new($) {
1144	my ($login) = @_;	1542	my ($login) = @_;
1145		1543
…		…
1151	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1152		1550
1153	$self	1551	$self
1154	}	1552	}
1155		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1156	=item $pl->quit_character	1564	=item $pl->quit_character
1157		1565
1158	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1160		1568
1161	=cut	1569	=cut
1162		1570
1163	sub quit_character {	1571	sub quit_character {
1164	my ($pl) = @_;	1572	my ($pl) = @_;
1165		1573
		1574	my $name = $pl->ob->name;
		1575
1166	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1578
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1172	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1173		1585
1174	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1179	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
1180	}	1612	}
1181		1613
1182	=item cf::player::list_logins	1614	=item cf::player::list_logins
1183		1615
1184	Returns am arrayref of all valid playernames in the system, can take a	1616	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1186		1618
1187	=cut	1619	=cut
1188		1620
1189	sub list_logins {	1621	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1623	or return [];
1192		1624
1193	my @logins;	1625	my @logins;
1194		1626
1195	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1199		1637
1200	utf8::decode $login;	1638	utf8::decode $login;
1201	push @logins, $login;	1639	push @logins, $login;
1202	}	1640	}
1203		1641
1204	\@logins	1642	\@logins
1205	}	1643	}
1206		1644
1207	=item $player->maps	1645	=item $player->maps
1208		1646
1209	Returns an arrayref of cf::path's of all maps that are private for this	1647	Returns an arrayref of map paths that are private for this
1210	player. May block.	1648	player. May block.
1211		1649
1212	=cut	1650	=cut
1213		1651
1214	sub maps($) {	1652	sub maps($) {
1215	my ($pl) = @_;	1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1656
1217	my $files = aio_readdir playerdir $pl	1657	my $files = aio_readdir playerdir $pl
1218	or return;	1658	or return;
1219		1659
1220	my @paths;	1660	my @paths;
…		…
1222	for (@$files) {	1662	for (@$files) {
1223	utf8::decode $_;	1663	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1664	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1665	next unless /^$PATH_SEP/o;
1226		1666
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1667	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1668	}
1229		1669
1230	\@paths	1670	\@paths
1231	}	1671	}
1232		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1234		1678
1235	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1236		1680
1237	=cut	1681	=cut
1238		1682
1239	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1241		1685
1242	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1687	}
1246		1688
1247	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1248		1729
1249	=back	1730	=back
1250
1251		1731
1252	=head3 cf::map	1732	=head3 cf::map
1253		1733
1254	=over 4	1734	=over 4
1255		1735
…		…
1258	package cf::map;	1738	package cf::map;
1259		1739
1260	use Fcntl;	1740	use Fcntl;
1261	use Coro::AIO;	1741	use Coro::AIO;
1262		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1263	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1265		1749
1266	sub generate_random_map {	1750	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1754
1269	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1756	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1283	}	1769	}
1284		1770
1285	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1286	# all maps in C++...
1287	sub change_all_map_light {
1288	my ($change) = @_;
1289		1772
1290	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1291	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1292	}	1775	default).
1293		1776
1294	sub load_map_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1295	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1296		1916
1297	utf8::encode $path;	1917	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1299	or return;	1919	or return;
1300		1920
1301	my $map = cf::map::new	1921	$self->_load_header ($f)
1302	or return;	1922	or return;
1303		1923
1304	# for better error messages only, will be overwritten later	1924	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1306		1926
1307	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1308	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1309		1973
1310	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1311		1976
1312	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1313	}	1981	}
1314		1982
1315	sub find;	1983	sub find;
1316	sub find {	1984	sub find {
1317	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1318		1986
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1988
1324	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326	$cf::MAP{$key} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1328		1991
1329	# do it the slow way	1992	$cf::MAP{$path} || do {
1330	my $map = $path->load_temp;	1993	my $map = new_from_path cf::map $path
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1994	or return;
1343		1995
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1356		1997
1357	Coro::cede;	1998	$map->load_header
		1999	or return;
1358		2000
1359	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1360	$map->reset;	2006	$map->reset;
1361	undef $guard;
1362	$map = find $path	2007	return find $path;
1363	or return;
1364	}	2008	}
1365		2009
1366	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1367	}	2011	}
1368	}	2012	}
		2013
		2014	sub pre_load { }
		2015	#sub post_load { } # XS
1369		2016
1370	sub load {	2017	sub load {
1371	my ($self) = @_;	2018	my ($self) = @_;
1372		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1373	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1375		2026
		2027	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		2029
1378	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1379		2031
1380	$self->alloc;	2032	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1382	or return;	2040	or return;
1383		2041
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1385	if delete $self->{load_original};	2043	if delete $self->{load_original};
1386		2044
1387	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2046	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2049	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1392	}	2053	}
1393	}	2054	}
1394		2055
1395	Coro::cede;	2056	$f->resolve_delayed_derefs;
1396		2057
		2058	cf::cede_to_tick;
1397	# now do the right thing for maps	2059	# now do the right thing for maps
1398	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1410	$self->activate;	2070	$self->activate;
1411	}	2071	}
1412		2072
1413	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1414		2075
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
1416	}	2092	}
1417		2093
1418	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2095	sub load_neighbours {
1420	my ($map) = @_;	2096	my ($map) = @_;
1421		2097
1422	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1423		2099
1424	for (0 .. 3) {	2100	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1426	or next;	2102	or next;
1427	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1428	or next;	2104	or next;
1429	$neigh->load;	2105	$neigh->load;
1430		2106
		2107	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2110	}
1434		2111
1435	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1437	or next;	2115	or next;
1438	$neigh->load;	2116	$neigh->load;
1439	}	2117	}
1440	}	2118	}
1441		2119
…		…
1446	}	2124	}
1447		2125
1448	sub do_load_sync {	2126	sub do_load_sync {
1449	my ($map) = @_;	2127	my ($map) = @_;
1450		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1451	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1452	}	2133	}
1453		2134
1454	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
1455	our $MAP_PREFETCHER = Coro::async {	2149	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2150	$Coro::current->{desc} = "map prefetcher";
		2151
1457	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
1460	my $path = delete $MAP_PREFETCH{$key};	2158	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2159	}
1466	Coro::schedule;	2160	}
		2161	undef $MAP_PREFETCHER;
1467	}	2162	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1482		2164
1483	()	2165	()
1484	}	2166	}
1485		2167
1486	sub save {	2168	sub save {
1487	my ($self) = @_;	2169	my ($self) = @_;
1488		2170
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2172
1491	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1492		2174
1493	return unless $self->dirty;	2175	return unless $self->dirty;
1494		2176
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2179
1498	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1499		2181
1500	return if $self->{deny_save};	2182	return if $self->{deny_save};
1501		2183
1502	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1503		2185
1504	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1506	};	2189	};
1507		2190
		2191	cf::get_slot 0.02;
		2192
1508	if ($uniq) {	2193	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2196	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2198	}
1514	}	2199	}
1515		2200
1516	sub swap_out {	2201	sub swap_out {
1517	my ($self) = @_;	2202	my ($self) = @_;
1518		2203
1519	# save first because save cedes	2204	# save first because save cedes
1520	$self->save;	2205	$self->save;
1521		2206
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2208
1524	return if $self->players;	2209	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2211	return if $self->{deny_save};
1527		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2217	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2218	}
1531		2219
1532	sub reset_at {	2220	sub reset_at {
1533	my ($self) = @_;	2221	my ($self) = @_;
1534		2222
1535	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1538		2225
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2228
…		…
1546	my ($self) = @_;	2233	my ($self) = @_;
1547		2234
1548	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1549	}	2236	}
1550		2237
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2238	sub reset {
1573	my ($self) = @_;	2239	my ($self) = @_;
1574		2240
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2242
1577	return if $self->players;	2243	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2244
1580	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1581		2256
1582	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1583		2258
		2259	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1585		2262
1586	$self->unlink_save;	2263	$self->unlink_save;
1587	$self->destroy;	2264	$self->destroy;
1588	}	2265	}
1589		2266
1590	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1591		2268
1592	sub nuke {	2269	sub nuke {
1593	my ($self) = @_;	2270	my ($self) = @_;
1594		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1598	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1599	}	2289	}
1600		2290
1601	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2292
1604	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1606	}	2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
1607		2308
1608	$map	2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1609	}	2325	}
1610		2326
1611	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1612		2328
1613	Returns an arrayref of cf::path's of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2330	instantiated unique items. May block.
1615		2331
1616	=cut	2332	=cut
1617		2333
1618	sub unique_maps() {	2334	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1620	or return;	2336	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2337	utf8::decode $_;
1626	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2340	? ()
1629	push @paths, new cf::path $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2343	]
1631
1632	\@paths
1633	}	2344	}
1634		2345
1635	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
		2373	}
		2374
		2375	\@maps
		2376	}
1636		2377
1637	=back	2378	=back
1638		2379
1639	=head3 cf::object	2380	=head3 cf::object
1640		2381
…		…
1644		2385
1645	=over 4	2386	=over 4
1646		2387
1647	=item $ob->inv_recursive	2388	=item $ob->inv_recursive
1648		2389
1649	Returns the inventory of the object _and_ their inventories, recursively.	2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
1650		2392
1651	=cut	2393	=cut
1652		2394
1653	sub inv_recursive_;	2395	sub inv_recursive_;
1654	sub inv_recursive_ {	2396	sub inv_recursive_ {
…		…
1657		2399
1658	sub inv_recursive {	2400	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2401	inv_recursive_ inv $_[0]
1660	}	2402	}
1661		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
		2430	}
		2431
1662	package cf;	2432	package cf;
1663		2433
1664	=back	2434	=back
1665		2435
1666	=head3 cf::object::player	2436	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1675		2445
1676	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1677		2461
1678	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2463	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1683		2467
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2469
1686	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1688	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1691	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1692	}	2495	}
1693		2496
1694	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1695		2498
1696	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1709		2512
1710	=item $player_object->enter_link	2513	=item $player_object->enter_link
1711		2514
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2516
1714	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1716		2523
1717	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1718		2525
1719	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2529	fails, to the emergency map position.
1723		2530
1724	Might block.	2531	Might block.
1725		2532
1726	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1727		2544
1728	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2546	my ($self) = @_;
1730		2547
1731	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1732		2549
1733	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2551
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1737		2554
1738	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2556	}
1740		2557
1741	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1743		2562
1744	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1745		2564
1746	unless ($map) {	2565	unless ($map) {
1747	# restore original map position	2566	# restore original map position
…		…
1758	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
1759	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
1760		2579
1761	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
1764		2583
1765	$map->load;	2584	$map->load;
1766	$map->load_diag;	2585	$map->load_neighbours;
1767		2586
1768	return unless $self->contr->active;	2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1769	$self->activate_recursive;	2593	$self->activate_recursive;
1770	$self->enter_map ($map, $x, $y);
1771	}	2594	}
1772		2595
1773	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2597
1777	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1781	};	2602	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2603
1787	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1788	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2606
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2607	=cut
		2608
		2609	our $GOTOGEN;
1808		2610
1809	sub cf::object::player::goto {	2611	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2613
1812	$path = new cf::path $path;	2614	# do generation counting so two concurrent goto's will be executed in-order
		2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2616
1814	$self->enter_link;	2617	$self->enter_link;
1815		2618
1816	(async {	2619	(async {
1817	my $map = cf::map::find $path->as_string;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
		2621
		2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1819		2646	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1824		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1826	})->prio (1);	2665	})->prio (1);
1827	}	2666	}
1828		2667
1829	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1830		2669
…		…
1832		2671
1833	sub parse_random_map_params {	2672	sub parse_random_map_params {
1834	my ($spec) = @_;	2673	my ($spec) = @_;
1835		2674
1836	my $rmp = { # defaults	2675	my $rmp = { # defaults
1837	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1839	};	2680	};
1840		2681
1841	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1843		2684
…		…
1855	# that depends on the exit object	2696	# that depends on the exit object
1856		2697
1857	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1858		2699
1859	if ($exit->map) {	2700	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1864	}	2707	}
1865		2708
1866	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1867		2710
1868	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1870		2714
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1873		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1876	}	2726	}
1877	}	2727	}
1878		2728
1879	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1883		2733
1884	$self->enter_link;	2734	$self->enter_link;
1885		2735
1886	(async {	2736	(async {
1887	$self->deactivate_recursive; # just to be sure	2737	$Coro::current->{desc} = "enter_exit";
		2738
1888	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1889	prepare_random_map $exit	2746	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1891		2749
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1894		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1895	1;	2760	1
1896	}) {	2761	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2766
1902	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2768	$self->leave_link;
1904	}	2769	}
1905	})->prio (1);	2770	})->prio (1);
…		…
1918		2783
1919	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1921		2786
1922	utf8::encode $text;	2787	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2789	}
1925		2790
		2791	=item $client->send_big_packet ($pkt)
		2792
		2793	Like C<send_packet>, but tries to compress large packets, and fragments
		2794	them as required.
		2795
		2796	=cut
		2797
		2798	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2799
		2800	sub cf::client::send_big_packet {
		2801	my ($self, $pkt) = @_;
		2802
		2803	# try lzf for large packets
		2804	$pkt = "lzf " . Compress::LZF::compress $pkt
		2805	if 1024 <= length $pkt and $self->{can_lzf};
		2806
		2807	# split very large packets
		2808	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2809	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2810	$pkt = "frag";
		2811	}
		2812
		2813	$self->send_packet ($pkt);
		2814	}
		2815
		2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2817
		2818	Send a drawinfo or msg packet to the client, formatting the msg for the
		2819	client if neccessary. C<$type> should be a string identifying the type of
		2820	the message, with C<log> being the default. If C<$color> is negative, suppress
		2821	the message unless the client supports the msg packet.
		2822
		2823	=cut
		2824
		2825	# non-persistent channels (usually the info channel)
		2826	our %CHANNEL = (
		2827	"c/motd" => {
		2828	id => "infobox",
		2829	title => "MOTD",
		2830	reply => undef,
		2831	tooltip => "The message of the day",
		2832	},
		2833	"c/identify" => {
		2834	id => "infobox",
		2835	title => "Identify",
		2836	reply => undef,
		2837	tooltip => "Items recently identified",
		2838	},
		2839	"c/examine" => {
		2840	id => "infobox",
		2841	title => "Examine",
		2842	reply => undef,
		2843	tooltip => "Signs and other items you examined",
		2844	},
		2845	"c/shopinfo" => {
		2846	id => "infobox",
		2847	title => "Shop Info",
		2848	reply => undef,
		2849	tooltip => "What your bargaining skill tells you about the shop",
		2850	},
		2851	"c/book" => {
		2852	id => "infobox",
		2853	title => "Book",
		2854	reply => undef,
		2855	tooltip => "The contents of a note or book",
		2856	},
		2857	"c/lookat" => {
		2858	id => "infobox",
		2859	title => "Look",
		2860	reply => undef,
		2861	tooltip => "What you saw there",
		2862	},
		2863	"c/who" => {
		2864	id => "infobox",
		2865	title => "Players",
		2866	reply => undef,
		2867	tooltip => "Shows players who are currently online",
		2868	},
		2869	"c/body" => {
		2870	id => "infobox",
		2871	title => "Body Parts",
		2872	reply => undef,
		2873	tooltip => "Shows which body parts you posess and are available",
		2874	},
		2875	"c/statistics" => {
		2876	id => "infobox",
		2877	title => "Statistics",
		2878	reply => undef,
		2879	tooltip => "Shows your primary statistics",
		2880	},
		2881	"c/skills" => {
		2882	id => "infobox",
		2883	title => "Skills",
		2884	reply => undef,
		2885	tooltip => "Shows your experience per skill and item power",
		2886	},
		2887	"c/shopitems" => {
		2888	id => "infobox",
		2889	title => "Shop Items",
		2890	reply => undef,
		2891	tooltip => "Shows the items currently for sale in this shop",
		2892	},
		2893	"c/resistances" => {
		2894	id => "infobox",
		2895	title => "Resistances",
		2896	reply => undef,
		2897	tooltip => "Shows your resistances",
		2898	},
		2899	"c/pets" => {
		2900	id => "infobox",
		2901	title => "Pets",
		2902	reply => undef,
		2903	tooltip => "Shows information abotu your pets/a specific pet",
		2904	},
		2905	"c/perceiveself" => {
		2906	id => "infobox",
		2907	title => "Perceive Self",
		2908	reply => undef,
		2909	tooltip => "You gained detailed knowledge about yourself",
		2910	},
		2911	"c/uptime" => {
		2912	id => "infobox",
		2913	title => "Uptime",
		2914	reply => undef,
		2915	tooltip => "How long the server has been running since last restart",
		2916	},
		2917	"c/mapinfo" => {
		2918	id => "infobox",
		2919	title => "Map Info",
		2920	reply => undef,
		2921	tooltip => "Information related to the maps",
		2922	},
		2923	"c/party" => {
		2924	id => "party",
		2925	title => "Party",
		2926	reply => "gsay ",
		2927	tooltip => "Messages and chat related to your party",
		2928	},
		2929	"c/death" => {
		2930	id => "death",
		2931	title => "Death",
		2932	reply => undef,
		2933	tooltip => "Reason for and more info about your most recent death",
		2934	},
		2935	"c/say" => $SAY_CHANNEL,
		2936	"c/chat" => $CHAT_CHANNEL,
		2937	);
		2938
		2939	sub cf::client::send_msg {
		2940	my ($self, $channel, $msg, $color, @extra) = @_;
		2941
		2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
		2944
		2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2946
		2947	# check predefined channels, for the benefit of C
		2948	if ($CHANNEL{$channel}) {
		2949	$channel = $CHANNEL{$channel};
		2950
		2951	$self->ext_msg (channel_info => $channel);
		2952	$channel = $channel->{id};
		2953
		2954	} elsif (ref $channel) {
		2955	# send meta info to client, if not yet sent
		2956	unless (exists $self->{channel}{$channel->{id}}) {
		2957	$self->{channel}{$channel->{id}} = $channel;
		2958	$self->ext_msg (channel_info => $channel);
		2959	}
		2960
		2961	$channel = $channel->{id};
		2962	}
		2963
		2964	return unless @extra || length $msg;
		2965
		2966	# default colour, mask it out
		2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2968	if $color & cf::NDI_DEF;
		2969
		2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
		2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2973	);
		2974
		2975	$self->send_big_packet ($pkt);
		2976	}
		2977
		2978	=item $client->ext_msg ($type, @msg)
		2979
		2980	Sends an ext event to the client.
		2981
		2982	=cut
		2983
		2984	sub cf::client::ext_msg($$@) {
		2985	my ($self, $type, @msg) = @_;
		2986
		2987	if ($self->extcmd == 2) {
		2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2989	} elsif ($self->extcmd == 1) { # TODO: remove
		2990	push @msg, msgtype => "event_$type";
		2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2992	}
		2993	}
		2994
		2995	=item $client->ext_reply ($msgid, @msg)
		2996
		2997	Sends an ext reply to the client.
		2998
		2999	=cut
		3000
		3001	sub cf::client::ext_reply($$@) {
		3002	my ($self, $id, @msg) = @_;
		3003
		3004	if ($self->extcmd == 2) {
		3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3006	} elsif ($self->extcmd == 1) {
		3007	#TODO: version 1, remove
		3008	unshift @msg, msgtype => "reply", msgid => $id;
		3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3010	}
		3011	}
1926		3012
1927	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
1928		3014
1929	Queues a query to the client, calling the given callback with	3015	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3016	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3017	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		3018
1933	Queries can fail, so check the return code. Or don't, as queries will become	3019	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	3020	become reliable at some point in the future.
1935		3021
1936	=cut	3022	=cut
1937		3023
1938	sub cf::client::query {	3024	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	3025	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	3033	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3034	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		3035
1950	$self->send_packet ($self->{query_queue}[0][0])	3036	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	3037	if @{ $self->{query_queue} } == 1;
		3038
		3039	1
1952	}	3040	}
1953		3041
1954	cf::client->attach (	3042	cf::client->attach (
		3043	on_connect => sub {
		3044	my ($ns) = @_;
		3045
		3046	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3047	},
1955	on_reply => sub {	3048	on_reply => sub {
1956	my ($ns, $msg) = @_;	3049	my ($ns, $msg) = @_;
1957		3050
1958	# this weird shuffling is so that direct followup queries	3051	# this weird shuffling is so that direct followup queries
1959	# get handled first	3052	# get handled first
1960	my $queue = delete $ns->{query_queue}	3053	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	3054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		3055
1963	(shift @$queue)->[1]->($msg);	3056	(shift @$queue)->[1]->($msg);
		3057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		3058
1965	push @{ $ns->{query_queue} }, @$queue;	3059	push @{ $ns->{query_queue} }, @$queue;
1966		3060
1967	if (@{ $ns->{query_queue} } == @$queue) {	3061	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	3062	if (@$queue) {
…		…
1970	} else {	3064	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	3066	}
1973	}	3067	}
1974	},	3068	},
		3069	on_exticmd => sub {
		3070	my ($ns, $buf) = @_;
		3071
		3072	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3073
		3074	if (ref $msg) {
		3075	my ($type, $reply, @payload) =
		3076	"ARRAY" eq ref $msg
		3077	? @$msg
		3078	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3079
		3080	my @reply;
		3081
		3082	if (my $cb = $EXTICMD{$type}) {
		3083	@reply = $cb->($ns, @payload);
		3084	}
		3085
		3086	$ns->ext_reply ($reply, @reply)
		3087	if $reply;
		3088
		3089	} else {
		3090	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3091	}
		3092
		3093	cf::override;
		3094	},
1975	);	3095	);
1976		3096
1977	=item $client->async (\&cb)	3097	=item $client->async (\&cb)
1978		3098
1979	Create a new coroutine, running the specified callback. The coroutine will	3099	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	3140	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
2022		3142
2023	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
2024		3144
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3145	$safe->permit_only (Opcode::opset qw(
		3146	:base_core :base_mem :base_orig :base_math :base_loop
		3147	grepstart grepwhile mapstart mapwhile
		3148	sort time
		3149	));
2026		3150
2027	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
2028		3152
2029	=pod	3153	=pod
2030		3154
2031	The following fucntions and emthods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
2032		3156
2033	cf::object contr pay_amount pay_player map	3157	cf::object
		3158	contr pay_amount pay_player map x y force_find force_add destroy
		3159	insert remove name archname title slaying race decrease split
		3160	value
		3161
2034	cf::object::player player	3162	cf::object::player
2035	cf::player peaceful	3163	player
2036	cf::map trigger	3164
		3165	cf::player
		3166	peaceful
		3167
		3168	cf::map
		3169	trigger
2037		3170
2038	=cut	3171	=cut
2039		3172
2040	for (	3173	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3175	insert remove inv nrof name archname title slaying race
		3176	decrease split destroy change_exp value msg lore send_msg)],
2042	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
2044	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
2045	) {	3180	) {
2046	no strict 'refs';	3181	no strict 'refs';
2047	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
2048	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2066		3201
2067	my $qcode = $code;	3202	my $qcode = $code;
2068	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2069	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
2070		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
2071	local $_;	3209	local $_;
2072	local @safe::cf::_safe_eval_args = values %vars;
2073		3210
2074	my $eval =	3211	my $eval =
2075	"do {\n"	3212	"do {\n"
2076	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2077	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
2078	. $code	3215	. $code
2079	. "\n}"	3216	. "\n}"
2080	;	3217	;
2081		3218
		3219	if ($CFG{safe_eval}) {
2082	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
2083	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2084	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
2085		3228
2086	if ($@) {	3229	if ($@) {
2087	warn "$@";	3230	warn "$@";
2088	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
2089	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2108	=cut	3251	=cut
2109		3252
2110	sub register_script_function {	3253	sub register_script_function {
2111	my ($fun, $cb) = @_;	3254	my ($fun, $cb) = @_;
2112		3255
2113	no strict 'refs';	3256	$fun = "safe::$fun" if $CFG{safe_eval};
2114	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3257	*$fun = $safe_hole->wrap ($cb);
2115	}	3258	}
2116		3259
2117	=back	3260	=back
2118		3261
2119	=cut	3262	=cut
2120		3263
2121	#############################################################################	3264	#############################################################################
		3265	# the server's init and main functions
2122		3266
2123	=head2 EXTENSION DATABASE SUPPORT	3267	sub load_facedata($) {
		3268	my ($path) = @_;
2124		3269
2125	Crossfire maintains a very simple database for extension use. It can	3270	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3271	# for this (global event?)
2127	excludes objects.	3272	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3273
2129	The parameter C<$family> should best start with the name of the extension	3274	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3275
2132	=over 4	3276	warn "loading facedata from $path\n";
2133		3277
2134	=item $hashref = cf::db_get $family	3278	my $facedata;
		3279	0 < aio_load $path, $facedata
		3280	or die "$path: $!";
2135		3281
2136	Return a hashref for use by the extension C<$family>, which can be	3282	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3283
2140	=item $value = cf::db_get $family => $key	3284	$facedata->{version} == 2
		3285	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3286
2142	Returns a single value from the database	3287	# patch in the exptable
2143		3288	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2144	=item cf::db_put $family => $hashref	3289	$facedata->{resource}{"res/exp_table"} = {
2145		3290	type => FT_RSRC,
2146	Stores the given family hashref into the database. Updates are delayed, if	3291	data => $exp_table,
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3292	hash => (Digest::MD5::md5 $exp_table),
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3293	};
		3294	cf::cede_to_tick;
2195		3295
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3296	{
		3297	my $faces = $facedata->{faceinfo};
2200		3298
2201	sub db_get($;$) {	3299	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3300	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3301
2207	sub db_put($$;$) {	3302	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3303	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3304	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	} else {	3305	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3306
2216	cf::global->attach (	3307	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3308	}
2221	);
2222	}
2223		3309
2224	#############################################################################	3310	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3311	next unless $info->{smooth};
2226		3312
2227	sub cfg_load {	3313	my $idx = cf::face::find $face
		3314	or next;
		3315
		3316	if (my $smooth = cf::face::find $info->{smooth}) {
		3317	cf::face::set_smooth $idx, $smooth;
		3318	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3319	} else {
		3320	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3321	}
		3322
		3323	cf::cede_to_tick;
		3324	}
		3325	}
		3326
		3327	{
		3328	my $anims = $facedata->{animinfo};
		3329
		3330	while (my ($anim, $info) = each %$anims) {
		3331	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3332	cf::cede_to_tick;
		3333	}
		3334
		3335	cf::anim::invalidate_all; # d'oh
		3336	}
		3337
		3338	{
		3339	my $res = $facedata->{resource};
		3340
		3341	while (my ($name, $info) = each %$res) {
		3342	if (defined $info->{type}) {
		3343	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3344
		3345	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3346	cf::face::set_type $idx, $info->{type};
		3347	} else {
		3348	$RESOURCE{$name} = $info;
		3349	}
		3350
		3351	cf::cede_to_tick;
		3352	}
		3353	}
		3354
		3355	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3356
		3357	1
		3358	}
		3359
		3360	cf::global->attach (on_resource_update => sub {
		3361	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3362	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3363
		3364	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3365	my $sound = $soundconf->{compat}[$_]
		3366	or next;
		3367
		3368	my $face = cf::face::find "sound/$sound->[1]";
		3369	cf::sound::set $sound->[0] => $face;
		3370	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3371	}
		3372
		3373	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3374	my $face = cf::face::find "sound/$v";
		3375	cf::sound::set $k => $face;
		3376	}
		3377	}
		3378	});
		3379
		3380	register_exticmd fx_want => sub {
		3381	my ($ns, $want) = @_;
		3382
		3383	while (my ($k, $v) = each %$want) {
		3384	$ns->fx_want ($k, $v);
		3385	}
		3386	};
		3387
		3388	sub load_resource_file($) {
		3389	my $guard = lock_acquire "load_resource_file";
		3390
		3391	my $status = load_resource_file_ $_[0];
		3392	get_slot 0.1, 100;
		3393	cf::arch::commit_load;
		3394
		3395	$status
		3396	}
		3397
		3398	sub reload_regions {
		3399	# HACK to clear player env face cache, we need some signal framework
		3400	# for this (global event?)
		3401	%ext::player_env::MUSIC_FACE_CACHE = ();
		3402
		3403	load_resource_file "$MAPDIR/regions"
		3404	or die "unable to load regions file\n";
		3405
		3406	for (cf::region::list) {
		3407	$_->{match} = qr/$_->{match}/
		3408	if exists $_->{match};
		3409	}
		3410	}
		3411
		3412	sub reload_facedata {
		3413	load_facedata "$DATADIR/facedata"
		3414	or die "unable to load facedata\n";
		3415	}
		3416
		3417	sub reload_archetypes {
		3418	load_resource_file "$DATADIR/archetypes"
		3419	or die "unable to load archetypes\n";
		3420	}
		3421
		3422	sub reload_treasures {
		3423	load_resource_file "$DATADIR/treasures"
		3424	or die "unable to load treasurelists\n";
		3425	}
		3426
		3427	sub reload_resources {
		3428	warn "reloading resource files...\n";
		3429
		3430	reload_facedata;
		3431	reload_archetypes;
		3432	reload_regions;
		3433	reload_treasures;
		3434
		3435	warn "finished reloading resource files\n";
		3436	}
		3437
		3438	sub reload_config {
		3439	warn "reloading config file...\n";
		3440
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3441	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3442	or return;
2230		3443
2231	local $/;	3444	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3445	*CFG = YAML::XS::Load scalar <$fh>;
2233		3446
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3447	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235		3448
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3449	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3450	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2241	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3454	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2242	and die "WARNING: m(un)lockall failed: $!\n";	3455	and die "WARNING: m(un)lockall failed: $!\n";
2243	};	3456	};
2244	warn $@ if $@;	3457	warn $@ if $@;
2245	}	3458	}
		3459
		3460	warn "finished reloading resource files\n";
		3461	}
		3462
		3463	sub pidfile() {
		3464	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3465	or die "$PIDFILE: $!";
		3466	flock $fh, &Fcntl::LOCK_EX
		3467	or die "$PIDFILE: flock: $!";
		3468	$fh
		3469	}
		3470
		3471	# make sure only one server instance is running at any one time
		3472	sub atomic {
		3473	my $fh = pidfile;
		3474
		3475	my $pid = <$fh>;
		3476	kill 9, $pid if $pid > 0;
		3477
		3478	seek $fh, 0, 0;
		3479	print $fh $$;
		3480	}
		3481
		3482	sub main_loop {
		3483	warn "EV::loop starting\n";
		3484	if (1) {
		3485	EV::loop;
		3486	}
		3487	warn "EV::loop returned\n";
		3488	goto &main_loop unless $REALLY_UNLOOP;
2246	}	3489	}
2247		3490
2248	sub main {	3491	sub main {
		3492	cf::init_globals; # initialise logging
		3493
		3494	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3495	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3496	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3497	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3498
		3499	cf::init_experience;
		3500	cf::init_anim;
		3501	cf::init_attackmess;
		3502	cf::init_dynamic;
		3503
		3504	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3505
2249	# we must not ever block the main coroutine	3506	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3507	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3508	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3509	(async {
		3510	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3511	EV::loop EV::LOOP_ONESHOT;
		3512	})->prio (Coro::PRIO_MAX);
2253	};	3513	};
2254		3514
2255	cfg_load;	3515	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3516
		3517	cf::sync_job {
		3518	cf::load_settings;
		3519	cf::load_materials;
		3520
		3521	reload_resources;
		3522	reload_config;
		3523	db_init;
		3524
		3525	cf::init_uuid;
		3526	cf::init_signals;
		3527	cf::init_commands;
		3528	cf::init_skills;
		3529
		3530	cf::init_beforeplay;
		3531
		3532	atomic;
		3533
2257	load_extensions;	3534	load_extensions;
2258	Event::loop;	3535
		3536	utime time, time, $RUNTIMEFILE;
		3537
		3538	# no (long-running) fork's whatsoever before this point(!)
		3539	use POSIX ();
		3540	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3541
		3542	(pop @POST_INIT)->(0) while @POST_INIT;
		3543	};
		3544
		3545	main_loop;
2259	}	3546	}
2260		3547
2261	#############################################################################	3548	#############################################################################
2262	# initialisation and cleanup	3549	# initialisation and cleanup
2263		3550
2264	# install some emergency cleanup handlers	3551	# install some emergency cleanup handlers
2265	BEGIN {	3552	BEGIN {
		3553	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3554	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3555	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3556	cf::cleanup "SIG$signal";
2272	},
2273	);	3557	};
		3558	}
		3559	}
		3560
		3561	sub write_runtime_sync {
		3562	# first touch the runtime file to show we are still running:
		3563	# the fsync below can take a very very long time.
		3564
		3565	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3566
		3567	my $guard = cf::lock_acquire "write_runtime";
		3568
		3569	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3570	or return;
		3571
		3572	my $value = $cf::RUNTIME + 90 + 10;
		3573	# 10 is the runtime save interval, for a monotonic clock
		3574	# 60 allows for the watchdog to kill the server.
		3575
		3576	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3577	and return;
		3578
		3579	# always fsync - this file is important
		3580	aio_fsync $fh
		3581	and return;
		3582
		3583	# touch it again to show we are up-to-date
		3584	aio_utime $fh, undef, undef;
		3585
		3586	close $fh
		3587	or return;
		3588
		3589	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3590	and return;
		3591
		3592	warn "runtime file written.\n";
		3593
2274	}	3594	1
		3595	}
		3596
		3597	our $uuid_lock;
		3598	our $uuid_skip;
		3599
		3600	sub write_uuid_sync($) {
		3601	$uuid_skip ||= $_[0];
		3602
		3603	return if $uuid_lock;
		3604	local $uuid_lock = 1;
		3605
		3606	my $uuid = "$LOCALDIR/uuid";
		3607
		3608	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3609	or return;
		3610
		3611	my $value = uuid_seq uuid_cur;
		3612
		3613	unless ($value) {
		3614	warn "cowardly refusing to write zero uuid value!\n";
		3615	return;
		3616	}
		3617
		3618	my $value = uuid_str $value + $uuid_skip;
		3619	$uuid_skip = 0;
		3620
		3621	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3622	and return;
		3623
		3624	# always fsync - this file is important
		3625	aio_fsync $fh
		3626	and return;
		3627
		3628	close $fh
		3629	or return;
		3630
		3631	aio_rename "$uuid~", $uuid
		3632	and return;
		3633
		3634	warn "uuid file written ($value).\n";
		3635
		3636	1
		3637
		3638	}
		3639
		3640	sub write_uuid($$) {
		3641	my ($skip, $sync) = @_;
		3642
		3643	$sync ? write_uuid_sync $skip
		3644	: async { write_uuid_sync $skip };
2275	}	3645	}
2276		3646
2277	sub emergency_save() {	3647	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3648	my $freeze_guard = cf::freeze_mainloop;
2279		3649
2280	warn "enter emergency perl save\n";	3650	warn "emergency_perl_save: enter\n";
2281		3651
2282	cf::sync_job {	3652	cf::sync_job {
		3653	# this is a trade-off: we want to be very quick here, so
		3654	# save all maps without fsync, and later call a global sync
		3655	# (which in turn might be very very slow)
		3656	local $USE_FSYNC = 0;
		3657
2283	# use a peculiar iteration method to avoid tripping on perl	3658	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3659	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3660	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3661	warn "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3662	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3663	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3664	$pl->valid or next;
		3665	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3666	$pl->save;
2291	}	3667	}
2292	warn "end emergency player save\n";	3668	warn "emergency_perl_save: end player save\n";
2293		3669
2294	warn "begin emergency map save\n";	3670	warn "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3671	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3672	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3673	$map->valid or next;
2298	$map->save;	3674	$map->save;
2299	}	3675	}
2300	warn "end emergency map save\n";	3676	warn "emergency_perl_save: end map save\n";
		3677
		3678	warn "emergency_perl_save: begin database checkpoint\n";
		3679	BDB::db_env_txn_checkpoint $DB_ENV;
		3680	warn "emergency_perl_save: end database checkpoint\n";
		3681
		3682	warn "emergency_perl_save: begin write uuid\n";
		3683	write_uuid_sync 1;
		3684	warn "emergency_perl_save: end write uuid\n";
2301	};	3685	};
2302		3686
		3687	warn "emergency_perl_save: starting sync()\n";
		3688	IO::AIO::aio_sync sub {
		3689	warn "emergency_perl_save: finished sync()\n";
		3690	};
		3691
2303	warn "leave emergency perl save\n";	3692	warn "emergency_perl_save: leave\n";
2304	}	3693	}
2305		3694
		3695	sub post_cleanup {
		3696	my ($make_core) = @_;
		3697
		3698	warn Carp::longmess "post_cleanup backtrace"
		3699	if $make_core;
		3700
		3701	my $fh = pidfile;
		3702	unlink $PIDFILE if <$fh> == $$;
		3703	}
		3704
		3705	# a safer delete_package, copied from Symbol
		3706	sub clear_package($) {
		3707	my $pkg = shift;
		3708
		3709	# expand to full symbol table name if needed
		3710	unless ($pkg =~ /^main::.*::$/) {
		3711	$pkg = "main$pkg" if $pkg =~ /^::/;
		3712	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3713	$pkg .= '::' unless $pkg =~ /::$/;
		3714	}
		3715
		3716	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3717	my $stem_symtab = *{$stem}{HASH};
		3718
		3719	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3720	or return;
		3721
		3722	# clear all symbols
		3723	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3724	for my $name (keys %$leaf_symtab) {
		3725	_gv_clear *{"$pkg$name"};
		3726	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3727	}
		3728	warn "cleared package $pkg\n";#d#
		3729	}
		3730
2306	sub reload() {	3731	sub do_reload_perl() {
2307	# can/must only be called in main	3732	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3733	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3734	warn "can only reload from main coroutine";
2310	return;	3735	return;
2311	}	3736	}
2312		3737
		3738	return if $RELOAD++;
		3739
		3740	my $t1 = EV::time;
		3741
		3742	while ($RELOAD) {
2313	warn "reloading...";	3743	warn "reloading...";
2314		3744
2315	warn "freezing server";	3745	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3746
		3747	cf::sync_job {
		3748	cf::write_runtime_sync; # external watchdog should not bark
2317	cf::emergency_save;	3749	cf::emergency_save;
		3750	cf::write_runtime_sync; # external watchdog should not bark
2318		3751
2319	warn "sync database to disk";	3752	warn "syncing database to disk";
2320	cf::db_sync;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3754
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3755	# if anything goes wrong in here, we should simply crash as we already saved
2325		3756
2326	warn "cancel all watchers";	3757	warn "flushing outstanding aio requests";
2327	for (Event::all_watchers) {	3758	while (IO::AIO::nreqs || BDB::nreqs) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3759	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "remove commands";
2336	%COMMAND = ();
2337
2338	warn "remove ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unload/nuke all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3760	}
2351		3761
		3762	warn "cancelling all extension coros";
		3763	$_->cancel for values %EXT_CORO;
		3764	%EXT_CORO = ();
		3765
		3766	warn "removing commands";
		3767	%COMMAND = ();
		3768
		3769	warn "removing ext/exti commands";
		3770	%EXTCMD = ();
		3771	%EXTICMD = ();
		3772
		3773	warn "unloading/nuking all extensions";
		3774	for my $pkg (@EXTS) {
2352	warn "... nuking $pkg";	3775	warn "... unloading $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355		3776
2356	warn "unload all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360	warn "removing <$k>";
2361	delete $INC{$k};
2362
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3777	if (my $cb = $pkg->can ("unload")) {
		3778	eval {
2367	$cb->();	3779	$cb->($pkg);
		3780	1
		3781	} or warn "$pkg unloaded, but with errors: $@";
		3782	}
		3783
		3784	warn "... clearing $pkg";
		3785	clear_package $pkg;
2368	}	3786	}
2369		3787
2370	Symbol::delete_package $k;	3788	warn "unloading all perl modules loaded from $LIBDIR";
		3789	while (my ($k, $v) = each %INC) {
		3790	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3791
		3792	warn "... unloading $k";
		3793	delete $INC{$k};
		3794
		3795	$k =~ s/\.pm$//;
		3796	$k =~ s/\//::/g;
		3797
		3798	if (my $cb = $k->can ("unload_module")) {
		3799	$cb->();
		3800	}
		3801
		3802	clear_package $k;
2371	}	3803	}
2372		3804
2373	warn "get rid of safe::, as good as possible";	3805	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3806	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3807	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3808
2377	warn "unload cf.pm \"a bit\"";	3809	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3810	delete $INC{"cf.pm"};
		3811	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3812
2380	# don't, removes xs symbols, too,	3813	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3814	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3815	#clear_package __PACKAGE__;
2383		3816
		3817	warn "unload completed, starting to reload now";
		3818
2384	warn "reloading cf.pm";	3819	warn "reloading cf.pm";
2385	require cf;	3820	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3821	cf::_connect_to_perl_1;
2387		3822
2388	warn "load config and database again";	3823	warn "loading config and database again";
2389	cf::cfg_load;	3824	cf::reload_config;
2390	cf::db_load;
2391		3825
2392	warn "load extensions";	3826	warn "loading extensions";
2393	cf::load_extensions;	3827	cf::load_extensions;
2394		3828
		3829	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3830	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3831	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3832	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3833	reattach $_ for values %MAP;
		3834	warn "reattaching attachments to players";
		3835	reattach $_ for values %PLAYER;
		3836	}
		3837
		3838	warn "running post_init jobs";
		3839	(pop @POST_INIT)->(1) while @POST_INIT;
		3840
		3841	warn "leaving sync_job";
		3842
		3843	1
		3844	} or do {
		3845	warn $@;
		3846	cf::cleanup "error while reloading, exiting.";
		3847	};
		3848
		3849	warn "reloaded";
		3850	--$RELOAD;
		3851	}
		3852
		3853	$t1 = EV::time - $t1;
		3854	warn "reload completed in ${t1}s\n";
		3855	};
		3856
		3857	our $RELOAD_WATCHER; # used only during reload
		3858
		3859	sub reload_perl() {
		3860	# doing reload synchronously and two reloads happen back-to-back,
		3861	# coro crashes during coro_state_free->destroy here.
		3862
		3863	$RELOAD_WATCHER ||= cf::async {
		3864	Coro::AIO::aio_wait cache_extensions;
		3865
		3866	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3867	do_reload_perl;
		3868	undef $RELOAD_WATCHER;
		3869	};
2399	};	3870	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3871	}
2452		3872
2453	register_command "reload" => sub {	3873	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3874	my ($who, $arg) = @_;
2455		3875
2456	if ($who->flag (FLAG_WIZ)) {	3876	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3877	$who->message ("reloading server.");
		3878	async {
		3879	$Coro::current->{desc} = "perl_reload";
		3880	reload_perl;
		3881	};
2460	}	3882	}
2461	};	3883	};
2462		3884
2463	unshift @INC, $LIBDIR;	3885	unshift @INC, $LIBDIR;
2464		3886
2465	$TICK_WATCHER = Event->timer (	3887	my $bug_warning = 0;
2466	reentrant => 0,	3888
2467	prio => 0,	3889	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	3890	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	3891
2470	cb => sub {	3892	sub wait_for_tick {
		3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3894
		3895	my $signal = new Coro::Signal;
		3896	push @WAIT_FOR_TICK, $signal;
		3897	$signal->wait;
		3898	}
		3899
		3900	sub wait_for_tick_begin {
		3901	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3902
		3903	my $signal = new Coro::Signal;
		3904	push @WAIT_FOR_TICK_BEGIN, $signal;
		3905	$signal->wait;
		3906	}
		3907
		3908	sub tick {
		3909	if ($Coro::current != $Coro::main) {
		3910	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3911	unless ++$bug_warning > 10;
		3912	return;
		3913	}
		3914
2471	cf::server_tick; # one server iteration	3915	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		3916
2475	$WAIT_FOR_TICK->broadcast;	3917	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3918	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2477		3919	Coro::async_pool {
2478	# if we are delayed by four ticks or more, skip them all	3920	$Coro::current->{desc} = "runtime saver";
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480
2481	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	3921	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	3922	or warn "ERROR: unable to write runtime file: $!";
2504	})->();	3923	};
2505	},	3924	}
2506	);	3925
		3926	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3927	$sig->send;
		3928	}
		3929	while (my $sig = shift @WAIT_FOR_TICK) {
		3930	$sig->send;
		3931	}
		3932
		3933	$LOAD = ($NOW - $TICK_START) / $TICK;
		3934	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3935
		3936	if (0) {
		3937	if ($NEXT_TICK) {
		3938	my $jitter = $TICK_START - $NEXT_TICK;
		3939	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3940	warn "jitter $JITTER\n";#d#
		3941	}
		3942	}
		3943	}
		3944
		3945	{
		3946	# configure BDB
		3947
		3948	BDB::min_parallel 8;
		3949	BDB::max_poll_reqs $TICK * 0.1;
		3950	$AnyEvent::BDB::WATCHER->priority (1);
		3951
		3952	unless ($DB_ENV) {
		3953	$DB_ENV = BDB::db_env_create;
		3954	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3955	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3956	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3957	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3958	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3959
		3960	cf::sync_job {
		3961	eval {
		3962	BDB::db_env_open
		3963	$DB_ENV,
		3964	$BDBDIR,
		3965	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3966	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3967	0666;
		3968
		3969	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3970	};
		3971
		3972	cf::cleanup "db_env_open(db): $@" if $@;
		3973	};
		3974	}
		3975
		3976	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3977	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3978	};
		3979	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3980	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3981	};
		3982	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3983	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3984	};
		3985	}
		3986
		3987	{
		3988	# configure IO::AIO
		3989
		3990	IO::AIO::min_parallel 8;
		3991	IO::AIO::max_poll_time $TICK * 0.1;
		3992	undef $AnyEvent::AIO::WATCHER;
		3993	}
		3994
		3995	my $_log_backtrace;
		3996
		3997	sub _log_backtrace {
		3998	my ($msg, @addr) = @_;
		3999
		4000	$msg =~ s/\n//;
		4001
		4002	# limit the # of concurrent backtraces
		4003	if ($_log_backtrace < 2) {
		4004	++$_log_backtrace;
		4005	my $perl_bt = Carp::longmess $msg;
		4006	async {
		4007	$Coro::current->{desc} = "abt $msg";
		4008
		4009	my @bt = fork_call {
		4010	@addr = map { sprintf "%x", $_ } @addr;
		4011	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4012	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4013	or die "addr2line: $!";
		4014
		4015	my @funcs;
		4016	my @res = <$fh>;
		4017	chomp for @res;
		4018	while (@res) {
		4019	my ($func, $line) = splice @res, 0, 2, ();
		4020	push @funcs, "[$func] $line";
		4021	}
		4022
		4023	@funcs
		4024	};
		4025
		4026	LOG llevInfo, "[ABT] $perl_bt\n";
		4027	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4028	LOG llevInfo, "[ABT] $_\n" for @bt;
		4029	--$_log_backtrace;
		4030	};
		4031	} else {
		4032	LOG llevInfo, "[ABT] $msg\n";
		4033	LOG llevInfo, "[ABT] [suppressed]\n";
		4034	}
		4035	}
		4036
		4037	# load additional modules
		4038	require "cf/$_.pm" for @EXTRA_MODULES;
		4039	cf::_connect_to_perl_2;
2507		4040
2508	END { cf::emergency_save }	4041	END { cf::emergency_save }
2509		4042
2510	1	4043	1
2511		4044

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