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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.485 by root, Mon Oct 12 14:12:54 2009 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 ();
12		37
		38	use Guard ();
13	use Coro 3.3 ();	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
		55	use BDB ();
20	use Data::Dumper;	56	use Data::Dumper;
21	use Digest::MD5;	57	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	warn "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
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
546		756
547	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
548	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")
549	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
550		760
551	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>
552	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
553	crossfire+).	763	Deliantra).
554		764
555	=over 4	765	=over 4
556		766
557	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
558		768
…		…
602	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
603		813
604	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
606		816
607	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
608	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
609		819
610	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
611		821
612	=over 4	822	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	883	our @CB_MAP = ();
674		884
675	my %attachment;	885	my %attachment;
676		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
677	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
679		895
680	use sort 'stable';	896	use sort 'stable';
681		897
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
716		932
717	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		937
722	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	939	my $pkg = shift @arg;
724		940
725	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
755	}	971	}
756		972
757	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
758	} else {	974	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	976	}
761		977
762	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
763	}	979	}
764		980
…		…
766	if (ref $_[0]) {	982	if (ref $_[0]) {
767	_object_attach @_;	983	_object_attach @_;
768	} else {	984	} else {
769	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
770	}	986	}
		987	_recalc_want;
771	};	988	};
772		989
773	# all those should be optimised	990	# all those should be optimised
774	sub cf::attachable::detach {	991	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
779	reattach ($obj);	996	reattach ($obj);
780	} else {	997	} else {
781	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
782	}	999	}
		1000	_recalc_want;
783	};	1001	};
784		1002
785	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
787		1005
…		…
802	";	1020	";
803	die if $@;	1021	die if $@;
804	}	1022	}
805		1023
806	our $override;	1024	our $override;
807	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?
808		1026
809	sub override {	1027	sub override {
810	$override = 1;	1028	$override = 1;
811	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
812	}	1030	}
813		1031
814	sub do_invoke {	1032	sub do_invoke {
815	my $event = shift;	1033	my $event = shift;
816	my $callbacks = shift;	1034	my $callbacks = shift;
817		1035
818	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
819		1037
820	local $override;	1038	local $override;
821		1039
822	for (@$callbacks) {	1040	for (@$callbacks) {
823	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
832	}	1050	}
833		1051
834	0	1052	0
835	}	1053	}
836		1054
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1056
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1058
841	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
842		1060
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1064
847	=back	1065	=back
848		1066
849	=cut	1067	=cut
850		1068
851	#############################################################################	1069	#############################################################################
852	# 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	}
853		1113
854	sub reattach {	1114	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
856	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
857		1120
858	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
859		1122
860	@$registry = ();	1123	@$registry = ();
861		1124
…		…
876	cf::attachable->attach (	1139	cf::attachable->attach (
877	prio => -1000000,	1140	prio => -1000000,
878	on_instantiate => sub {	1141	on_instantiate => sub {
879	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
880		1143
881	$data = from_json $data;	1144	$data = decode_json $data;
882		1145
883	for (@$data) {	1146	for (@$data) {
884	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
885		1148
886	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1165	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
904		1167
905	sync_job {	1168	sync_job {
906	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
909		1173
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
914	close $fh;	1181	aio_close $fh;
915		1182
916	if (@$objs) {	1183	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
922	close $fh;	1192	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
924	}	1194	}
925	} else {	1195	} else {
926	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
927	}	1197	}
928		1198
929	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1203	} else {
931	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
932	}	1205	}
933	} else {	1206	} else {
934	aio_unlink $filename;	1207	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
936	}	1209	}
937	}	1210	};
938	}	1211	}
939		1212
940	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
942		1215
…		…
954	or return;	1227	or return;
955		1228
956	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
958	or return;	1231	or return;
		1232
959	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
960	}	1235	}
961		1236
		1237	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
964	return ($data, $av);	1241	($data, $av)
965	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
966		1249
967	#############################################################################	1250	#############################################################################
968	# command handling &c	1251	# command handling &c
969		1252
970	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1267	}
985		1268
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1270
988	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.
989		1276
990	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
991	called.	1278	called.
992		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
993	=cut	1291	=cut
994		1292
995	sub register_extcmd {	1293	sub register_extcmd {
996	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
997		1295
998	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
999	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
1000		1306
1001	cf::player->attach (	1307	cf::player->attach (
1002	on_command => sub {	1308	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1004		1310
…		…
1012	cf::override;	1318	cf::override;
1013	},	1319	},
1014	on_extcmd => sub {	1320	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
1016		1322
1017	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1324
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
1025	} else {	1340	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1342	}
1028		1343
1029	cf::override;	1344	cf::override;
1030	},	1345	},
1031	);	1346	);
1032		1347
		1348	# "readahead" all extensions
1033	sub load_extension {	1349	sub cache_extensions {
1034	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
1035		1351
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1355	}
1040	$pkg = "ext::$pkg";	1356	};
1041		1357
1042	warn "... loading '$path' into '$pkg'\n";	1358	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1359	}
1059		1360
1060	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1061	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1366	next unless -r $path;
1063	eval {	1367
1064	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;
1065	1	1424	}
1066	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1067	}	1430	};
1068	}	1431	}
1069		1432
1070	#############################################################################	1433	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1434
1073	*cf::mapsupport::on_clean = sub {	1435	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1436
1086	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1087		1438
1088	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1089		1440
1090	=cut	1441	=cut
1091		1442
1092	package cf::player;	1443	package cf::player;
1093		1444
…		…
1095		1446
1096	=head3 cf::player	1447	=head3 cf::player
1097		1448
1098	=over 4	1449	=over 4
1099		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
1100	=item cf::player::find $login	1465	=item cf::player::find $login
1101		1466
1102	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1103		1468
1104	=cut	1469	=cut
1105		1470
1106	sub playerdir($) {	1471	sub playerdir($) {
1107	cf::localdir	1472	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1474	}
1113		1475
1114	sub path($) {	1476	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1478
1117	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1118	}	1480	}
1119		1481
1120	sub find_active($) {	1482	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1125		1487
1126	sub exists($) {	1488	sub exists($) {
1127	my ($login) = @_;	1489	my ($login) = @_;
1128		1490
1129	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1131	}	1493	}
1132		1494
1133	sub find($) {	1495	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1497	my $login = $_[0];
1136		1498
1137	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1138		1500
1139	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1143	}	1518	}
1144	}	1519	}
1145	}	1520	}
1146		1521
…		…
1155	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1156		1531
1157	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1159		1534
		1535	cf::get_slot 0.01;
		1536
1160	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1161	Coro::cede;	1538	cf::cede_to_tick;
1162	}	1539	}
1163		1540
1164	sub new($) {	1541	sub new($) {
1165	my ($login) = @_;	1542	my ($login) = @_;
1166		1543
…		…
1172	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1173		1550
1174	$self	1551	$self
1175	}	1552	}
1176		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
1177	=item $pl->quit_character	1564	=item $pl->quit_character
1178		1565
1179	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
1180	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1181		1568
1182	=cut	1569	=cut
1183		1570
1184	sub quit_character {	1571	sub quit_character {
1185	my ($pl) = @_;	1572	my ($pl) = @_;
1186		1573
		1574	my $name = $pl->ob->name;
		1575
1187	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1188	$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
1189		1578
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1193	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1194		1585
1195	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1612	}
1202		1613
1203	=item cf::player::list_logins	1614	=item cf::player::list_logins
1204		1615
1205	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
1206	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1207		1618
1208	=cut	1619	=cut
1209		1620
1210	sub list_logins {	1621	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1623	or return [];
1213		1624
1214	my @logins;	1625	my @logins;
1215		1626
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1220		1637
1221	utf8::decode $login;	1638	utf8::decode $login;
1222	push @logins, $login;	1639	push @logins, $login;
1223	}	1640	}
1224		1641
1225	\@logins	1642	\@logins
1226	}	1643	}
1227		1644
1228	=item $player->maps	1645	=item $player->maps
1229		1646
1230	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
1231	player. May block.	1648	player. May block.
1232		1649
1233	=cut	1650	=cut
1234		1651
1235	sub maps($) {	1652	sub maps($) {
1236	my ($pl) = @_;	1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1656
1238	my $files = aio_readdir playerdir $pl	1657	my $files = aio_readdir playerdir $pl
1239	or return;	1658	or return;
1240		1659
1241	my @paths;	1660	my @paths;
…		…
1243	for (@$files) {	1662	for (@$files) {
1244	utf8::decode $_;	1663	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1664	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1665	next unless /^$PATH_SEP/o;
1247		1666
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1667	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1668	}
1250		1669
1251	\@paths	1670	\@paths
1252	}	1671	}
1253		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1255		1678
1256	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1257		1680
1258	=cut	1681	=cut
1259		1682
1260	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1262		1685
1263	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1687	}
1267		1688
1268	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		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	}
1269		1729
1270	=back	1730	=back
1271
1272		1731
1273	=head3 cf::map	1732	=head3 cf::map
1274		1733
1275	=over 4	1734	=over 4
1276		1735
…		…
1279	package cf::map;	1738	package cf::map;
1280		1739
1281	use Fcntl;	1740	use Fcntl;
1282	use Coro::AIO;	1741	use Coro::AIO;
1283		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1284	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1286		1749
1287	sub generate_random_map {	1750	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1754
1290	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1756	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1768	)
1305	}	1769	}
1306		1770
1307	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1772
1312	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1775	default).
1315		1776
1316	sub load_map_header($) {	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 {
1317	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) = @_;
1318		1916
1319	utf8::encode $path;	1917	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1321	or return;	1919	or return;
1322		1920
1323	my $map = cf::map::new	1921	$self->_load_header ($f)
1324	or return;	1922	or return;
1325		1923
1326	# for better error messages only, will be overwritten later	1924	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1328		1926
1329	$map->load_header ($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
1330	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1331		1973
1332	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1333		1976
1334	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1335	}	1981	}
1336		1982
1337	sub find;	1983	sub find;
1338	sub find {	1984	sub find {
1339	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1340		1986
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1988
1346	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1350		1991
1351	# do it the slow way	1992	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	1993	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1994	or return;
1365		1995
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1378		1997
1379	Coro::cede;	1998	$map->load_header
		1999	or return;
1380		2000
1381	if ($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;
1382	$map->reset;	2006	$map->reset;
1383	undef $guard;
1384	$map = find $path	2007	return find $path;
1385	or return;
1386	}	2008	}
1387		2009
1388	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1389	}	2011	}
1390	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1391		2016
1392	sub load {	2017	sub load {
1393	my ($self) = @_;	2018	my ($self) = @_;
1394		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1395	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1397		2026
		2027	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2029
1400	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1401		2031
1402	$self->alloc;	2032	$self->alloc;
1403	$self->load_objects ($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)
1404	or return;	2040	or return;
1405		2041
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1407	if delete $self->{load_original};	2043	if delete $self->{load_original};
1408		2044
1409	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2046	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2049	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1414	}	2053	}
1415	}	2054	}
1416		2055
1417	Coro::cede;	2056	$f->resolve_delayed_derefs;
1418		2057
		2058	cf::cede_to_tick;
1419	# now do the right thing for maps	2059	# now do the right thing for maps
1420	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	2070	$self->activate;
1433	}	2071	}
1434		2072
1435	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1436		2075
1437	$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	$self
1438	}	2092	}
1439		2093
1440	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2095	sub load_neighbours {
1442	my ($map) = @_;	2096	my ($map) = @_;
1443		2097
1444	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1445		2099
1446	for (0 .. 3) {	2100	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1448	or next;	2102	or next;
1449	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1450	or next;	2104	or next;
1451	$neigh->load;	2105	$neigh->load;
1452		2106
		2107	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2110	}
1456		2111
1457	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1459	or next;	2115	or next;
1460	$neigh->load;	2116	$neigh->load;
1461	}	2117	}
1462	}	2118	}
1463		2119
…		…
1468	}	2124	}
1469		2125
1470	sub do_load_sync {	2126	sub do_load_sync {
1471	my ($map) = @_;	2127	my ($map) = @_;
1472		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1473	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1474	}	2133	}
1475		2134
1476	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
1477	our $MAP_PREFETCHER = Coro::async {	2149	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2150	$Coro::current->{desc} = "map prefetcher";
		2151
1479	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
1482	my $path = delete $MAP_PREFETCH{$key};	2158	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2159	}
1488	Coro::schedule;	2160	}
		2161	undef $MAP_PREFETCHER;
1489	}	2162	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1504		2164
1505	()	2165	()
1506	}	2166	}
1507		2167
1508	sub save {	2168	sub save {
1509	my ($self) = @_;	2169	my ($self) = @_;
1510		2170
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2172
1513	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1514		2174
1515	return unless $self->dirty;	2175	return unless $self->dirty;
1516		2176
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2179
1520	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1521		2181
1522	return if $self->{deny_save};	2182	return if $self->{deny_save};
1523		2183
1524	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1525		2185
1526	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1527	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1528	};	2189	};
1529		2190
		2191	cf::get_slot 0.02;
		2192
1530	if ($uniq) {	2193	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2196	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2198	}
1536	}	2199	}
1537		2200
1538	sub swap_out {	2201	sub swap_out {
1539	my ($self) = @_;	2202	my ($self) = @_;
1540		2203
1541	# save first because save cedes	2204	# save first because save cedes
1542	$self->save;	2205	$self->save;
1543		2206
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2208
1546	return if $self->players;	2209	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1548	return if $self->{deny_save};	2211	return if $self->{deny_save};
1549		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1550	$self->clear;	2217	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2218	}
1553		2219
1554	sub reset_at {	2220	sub reset_at {
1555	my ($self) = @_;	2221	my ($self) = @_;
1556		2222
1557	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1560		2225
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2228
…		…
1568	my ($self) = @_;	2233	my ($self) = @_;
1569		2234
1570	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1571	}	2236	}
1572		2237
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2238	sub reset {
1587	my ($self) = @_;	2239	my ($self) = @_;
1588		2240
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2242
1591	return if $self->players;	2243	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2244
1594	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	}
1595		2256
1596	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1597		2258
		2259	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1599		2262
1600	$self->{path}->unlink_save;	2263	$self->unlink_save;
1601	$self->destroy;	2264	$self->destroy;
1602	}	2265	}
1603		2266
1604	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1605		2268
1606	sub nuke {	2269	sub nuke {
1607	my ($self) = @_;	2270	my ($self) = @_;
1608		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};
1609	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1612	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1613	}	2289	}
1614		2290
		2291	=item $maps = cf::map::tmp_maps
		2292
		2293	Returns an arrayref with all map paths of currently instantiated and saved
		2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
		2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
		2308
		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	]
		2325	}
		2326
1615	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1616		2328
1617	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
1618	instantiated unique items. May block.	2330	instantiated unique items. May block.
1619		2331
1620	=cut	2332	=cut
1621		2333
1622	sub unique_maps() {	2334	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1624	or return;	2336	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2337	utf8::decode $_;
1630	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2340	? ()
1633	push @paths, new cf::path $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2343	]
1635
1636	\@paths
1637	}	2344	}
1638
1639	package cf;
1640		2345
1641	=back	2346	=back
1642		2347
1643	=head3 cf::object	2348	=head3 cf::object
1644		2349
…		…
1648		2353
1649	=over 4	2354	=over 4
1650		2355
1651	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1652		2357
1653	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1654		2360
1655	=cut	2361	=cut
1656		2362
1657	sub inv_recursive_;	2363	sub inv_recursive_;
1658	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1661		2367
1662	sub inv_recursive {	2368	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1664	}	2370	}
1665		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1666	package cf;	2400	package cf;
1667		2401
1668	=back	2402	=back
1669		2403
1670	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1676	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1677	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1678	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1679		2413
1680	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1681		2429
1682	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2431	# with dialog boxes.
1684	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1685	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1687		2435
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2437
1690	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1692	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1695	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1696	}	2463	}
1697		2464
1698	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1699		2466
1700	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1713		2480
1714	=item $player_object->enter_link	2481	=item $player_object->enter_link
1715		2482
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2484
1718	The player should be reaosnably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1719	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
		2489
		2490	Will never block.
1720		2491
1721	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1722		2493
1723	Moves the player out of the specila link map onto the given map. If the	2494	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2495	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2496	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2497	fails, to the emergency map position.
1727		2498
1728	Might block.	2499	Might block.
1729		2500
1730	=cut	2501	=cut
		2502
		2503	sub link_map {
		2504	unless ($LINK_MAP) {
		2505	$LINK_MAP = cf::map::find "{link}"
		2506	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2507	$LINK_MAP->load;
		2508	}
		2509
		2510	$LINK_MAP
		2511	}
1731		2512
1732	sub cf::object::player::enter_link {	2513	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2514	my ($self) = @_;
1734		2515
1735	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1736		2517
1737	return if $self->map == $LINK_MAP;	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2519
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1741		2522
1742	$self->enter_map ($LINK_MAP, 20, 20);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2524	}
1744		2525
1745	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1747		2530
1748	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1749		2532
1750	unless ($map) {	2533	unless ($map) {
1751	# restore original map position	2534	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1768		2551
1769	$map->load;	2552	$map->load;
1770	$map->load_diag;	2553	$map->load_neighbours;
1771		2554
1772	return unless $self->contr->active;	2555	return unless $self->contr->active;
		2556
		2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
1773	$self->activate_recursive;	2561	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}	2562	}
1776		2563
1777	cf::player->attach (	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2565
1781	# abort map switching before logout	2566	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2567	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2569	the new (success) or old (failed) map position. In either case, $done will
1785	};	2570	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2571
1791	# try to abort aborted map switching on player login :)	2572	Note that $check will be called with a potentially non-loaded map, so if
1792	# should happen only on crashes	2573	it needs a loaded map it has to call C<< ->load >>.
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2574
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2575	=cut
		2576
		2577	our $GOTOGEN;
1812		2578
1813	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2581
1816	$path = new cf::path $path;	2582	# do generation counting so two concurrent goto's will be executed in-order
		2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2584
1818	$self->enter_link;	2585	$self->enter_link;
1819		2586
1820	(async {	2587	(async {
1821	my $map = cf::map::find $path->as_string;	2588	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2589
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
		2609	my $map = eval {
		2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
1825	# if $map;	2612	if ($map) {
1826		2613	$map = $map->customise_for ($self);
		2614	$map = $check->($map) if $check && $map;
		2615	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
1828		2618
		2619	$map
		2620	};
		2621
		2622	if ($@) {
		2623	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	LOG llevError | logBacktrace, Carp::longmess $@;
		2625	}
		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1830	})->prio (1);	2633	})->prio (1);
1831	}	2634	}
1832		2635
1833	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1834		2637
…		…
1836		2639
1837	sub parse_random_map_params {	2640	sub parse_random_map_params {
1838	my ($spec) = @_;	2641	my ($spec) = @_;
1839		2642
1840	my $rmp = { # defaults	2643	my $rmp = { # defaults
1841	xsize => 10,	2644	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2645	ysize => (cf::rndm 15, 40),
		2646	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2647	#layout => string,
1843	};	2648	};
1844		2649
1845	for (split /\n/, $spec) {	2650	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2651	my ($k, $v) = split /\s+/, $_, 2;
1847		2652
…		…
1859	# that depends on the exit object	2664	# that depends on the exit object
1860		2665
1861	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
1862		2667
1863	if ($exit->map) {	2668	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2669	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1868	}	2675	}
1869		2676
1870	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1871		2678
1872	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
		2681	my $meta = "$RANDOMDIR/$md5.meta";
1874		2682
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
		2685	undef $fh;
		2686	aio_rename "$meta~", $meta;
1877		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1880	}	2694	}
1881	}	2695	}
1882		2696
1883	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
1887		2701
1888	$self->enter_link;	2702	$self->enter_link;
1889		2703
1890	(async {	2704	(async {
1891	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
1892	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
1893	prepare_random_map $exit	2714	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2715	if $exit->slaying eq "/!";
		2716	}
1895		2717
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
1898		2721
		2722	$self->goto ($map, $x, $y);
		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
1899	1;	2728	1
1900	}) {	2729	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2734
1906	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2736	$self->leave_link;
1908	}	2737	}
1909	})->prio (1);	2738	})->prio (1);
…		…
1922		2751
1923	sub cf::client::send_drawinfo {	2752	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2753	my ($self, $text, $flags) = @_;
1925		2754
1926	utf8::encode $text;	2755	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2757	}
1929		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/identify" => {
		2771	id => "infobox",
		2772	title => "Identify",
		2773	reply => undef,
		2774	tooltip => "Items recently identified",
		2775	},
		2776	"c/examine" => {
		2777	id => "infobox",
		2778	title => "Examine",
		2779	reply => undef,
		2780	tooltip => "Signs and other items you examined",
		2781	},
		2782	"c/book" => {
		2783	id => "infobox",
		2784	title => "Book",
		2785	reply => undef,
		2786	tooltip => "The contents of a note or book",
		2787	},
		2788	"c/lookat" => {
		2789	id => "infobox",
		2790	title => "Look",
		2791	reply => undef,
		2792	tooltip => "What you saw there",
		2793	},
		2794	"c/who" => {
		2795	id => "infobox",
		2796	title => "Players",
		2797	reply => undef,
		2798	tooltip => "Shows players who are currently online",
		2799	},
		2800	"c/body" => {
		2801	id => "infobox",
		2802	title => "Body Parts",
		2803	reply => undef,
		2804	tooltip => "Shows which body parts you posess and are available",
		2805	},
		2806	"c/statistics" => {
		2807	id => "infobox",
		2808	title => "Statistics",
		2809	reply => undef,
		2810	tooltip => "Shows your primary statistics",
		2811	},
		2812	"c/skills" => {
		2813	id => "infobox",
		2814	title => "Skills",
		2815	reply => undef,
		2816	tooltip => "Shows your experience per skill and item power",
		2817	},
		2818	"c/shopitems" => {
		2819	id => "infobox",
		2820	title => "Shop Items",
		2821	reply => undef,
		2822	tooltip => "Shows the items currently for sale in this shop",
		2823	},
		2824	"c/resistances" => {
		2825	id => "infobox",
		2826	title => "Resistances",
		2827	reply => undef,
		2828	tooltip => "Shows your resistances",
		2829	},
		2830	"c/pets" => {
		2831	id => "infobox",
		2832	title => "Pets",
		2833	reply => undef,
		2834	tooltip => "Shows information abotu your pets/a specific pet",
		2835	},
		2836	"c/perceiveself" => {
		2837	id => "infobox",
		2838	title => "Perceive Self",
		2839	reply => undef,
		2840	tooltip => "You gained detailed knowledge about yourself",
		2841	},
		2842	"c/uptime" => {
		2843	id => "infobox",
		2844	title => "Uptime",
		2845	reply => undef,
		2846	tooltip => "How long the server has been running since last restart",
		2847	},
		2848	"c/mapinfo" => {
		2849	id => "infobox",
		2850	title => "Map Info",
		2851	reply => undef,
		2852	tooltip => "Information related to the maps",
		2853	},
		2854	"c/party" => {
		2855	id => "party",
		2856	title => "Party",
		2857	reply => "gsay ",
		2858	tooltip => "Messages and chat related to your party",
		2859	},
		2860	"c/death" => {
		2861	id => "death",
		2862	title => "Death",
		2863	reply => undef,
		2864	tooltip => "Reason for and more info about your most recent death",
		2865	},
		2866	"c/say" => $SAY_CHANNEL,
		2867	"c/chat" => $CHAT_CHANNEL,
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg)
		2874	unless $color & cf::NDI_VERBATIM;
		2875
		2876	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2877
		2878	# check predefined channels, for the benefit of C
		2879	if ($CHANNEL{$channel}) {
		2880	$channel = $CHANNEL{$channel};
		2881
		2882	$self->ext_msg (channel_info => $channel);
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel);
		2890	}
		2891
		2892	$channel = $channel->{id};
		2893	}
		2894
		2895	return unless @extra || length $msg;
		2896
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	my $pkt = "msg "
		2902	. $self->{json_coder}->encode (
		2903	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2904	);
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if (8192 < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->ext_msg ($type, @msg)
		2920
		2921	Sends an ext event to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_msg($$@) {
		2926	my ($self, $type, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2930	} elsif ($self->extcmd == 1) { # TODO: remove
		2931	push @msg, msgtype => "event_$type";
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
		2935
		2936	=item $client->ext_reply ($msgid, @msg)
		2937
		2938	Sends an ext reply to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_reply($$@) {
		2943	my ($self, $id, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2947	} elsif ($self->extcmd == 1) {
		2948	#TODO: version 1, remove
		2949	unshift @msg, msgtype => "reply", msgid => $id;
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
1930		2953
1931	=item $success = $client->query ($flags, "text", \&cb)	2954	=item $success = $client->query ($flags, "text", \&cb)
1932		2955
1933	Queues a query to the client, calling the given callback with	2956	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2957	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2958	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2959
1937	Queries can fail, so check the return code. Or don't, as queries will become	2960	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2961	become reliable at some point in the future.
1939		2962
1940	=cut	2963	=cut
1941		2964
1942	sub cf::client::query {	2965	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2966	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2974	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2975	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2976
1954	$self->send_packet ($self->{query_queue}[0][0])	2977	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2978	if @{ $self->{query_queue} } == 1;
		2979
		2980	1
1956	}	2981	}
1957		2982
1958	cf::client->attach (	2983	cf::client->attach (
		2984	on_connect => sub {
		2985	my ($ns) = @_;
		2986
		2987	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2988	},
1959	on_reply => sub {	2989	on_reply => sub {
1960	my ($ns, $msg) = @_;	2990	my ($ns, $msg) = @_;
1961		2991
1962	# this weird shuffling is so that direct followup queries	2992	# this weird shuffling is so that direct followup queries
1963	# get handled first	2993	# get handled first
1964	my $queue = delete $ns->{query_queue}	2994	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2995	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2996
1967	(shift @$queue)->[1]->($msg);	2997	(shift @$queue)->[1]->($msg);
		2998	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2999
1969	push @{ $ns->{query_queue} }, @$queue;	3000	push @{ $ns->{query_queue} }, @$queue;
1970		3001
1971	if (@{ $ns->{query_queue} } == @$queue) {	3002	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3003	if (@$queue) {
…		…
1974	} else {	3005	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3006	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3007	}
1977	}	3008	}
1978	},	3009	},
		3010	on_exticmd => sub {
		3011	my ($ns, $buf) = @_;
		3012
		3013	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3014
		3015	if (ref $msg) {
		3016	my ($type, $reply, @payload) =
		3017	"ARRAY" eq ref $msg
		3018	? @$msg
		3019	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3020
		3021	my @reply;
		3022
		3023	if (my $cb = $EXTICMD{$type}) {
		3024	@reply = $cb->($ns, @payload);
		3025	}
		3026
		3027	$ns->ext_reply ($reply, @reply)
		3028	if $reply;
		3029
		3030	} else {
		3031	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3032	}
		3033
		3034	cf::override;
		3035	},
1979	);	3036	);
1980		3037
1981	=item $client->async (\&cb)	3038	=item $client->async (\&cb)
1982		3039
1983	Create a new coroutine, running the specified callback. The coroutine will	3040	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	3081	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3082	our $safe_hole = new Safe::Hole;
2026		3083
2027	$SIG{FPE} = 'IGNORE';	3084	$SIG{FPE} = 'IGNORE';
2028		3085
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3086	$safe->permit_only (Opcode::opset qw(
		3087	:base_core :base_mem :base_orig :base_math
		3088	grepstart grepwhile mapstart mapwhile
		3089	sort time
		3090	));
2030		3091
2031	# here we export the classes and methods available to script code	3092	# here we export the classes and methods available to script code
2032		3093
2033	=pod	3094	=pod
2034		3095
2035	The following fucntions and emthods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2036		3097
2037	cf::object contr pay_amount pay_player map	3098	cf::object
		3099	contr pay_amount pay_player map x y force_find force_add destroy
		3100	insert remove name archname title slaying race decrease split
		3101	value
		3102
2038	cf::object::player player	3103	cf::object::player
2039	cf::player peaceful	3104	player
2040	cf::map trigger	3105
		3106	cf::player
		3107	peaceful
		3108
		3109	cf::map
		3110	trigger
2041		3111
2042	=cut	3112	=cut
2043		3113
2044	for (	3114	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3115	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3116	insert remove inv nrof name archname title slaying race
		3117	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2049	) {	3121	) {
2050	no strict 'refs';	3122	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2070		3142
2071	my $qcode = $code;	3143	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2074		3148
2075	local $_;	3149	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2077		3151
2078	my $eval =	3152	my $eval =
…		…
2121	=back	3195	=back
2122		3196
2123	=cut	3197	=cut
2124		3198
2125	#############################################################################	3199	#############################################################################
		3200	# the server's init and main functions
2126		3201
2127	=head2 EXTENSION DATABASE SUPPORT	3202	sub load_facedata($) {
		3203	my ($path) = @_;
2128		3204
2129	Crossfire maintains a very simple database for extension use. It can	3205	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3206	# for this (global event?)
2131	excludes objects.	3207	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3208
2133	The parameter C<$family> should best start with the name of the extension	3209	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3210
2136	=over 4	3211	warn "loading facedata from $path\n";
2137		3212
2138	=item $hashref = cf::db_get $family	3213	my $facedata;
		3214	0 < aio_load $path, $facedata
		3215	or die "$path: $!";
2139		3216
2140	Return a hashref for use by the extension C<$family>, which can be	3217	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3218
2144	=item $value = cf::db_get $family => $key	3219	$facedata->{version} == 2
		3220	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3221
2146	Returns a single value from the database	3222	# patch in the exptable
2147		3223	$facedata->{resource}{"res/exp_table"} = {
2148	=item cf::db_put $family => $hashref	3224	type => FT_RSRC,
2149		3225	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3226	};
		3227	cf::cede_to_tick;
2199		3228
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3229	{
		3230	my $faces = $facedata->{faceinfo};
2204		3231
2205	sub db_get($;$) {	3232	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3234
2211	sub db_put($$;$) {	3235	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3236	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2214	} else {	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3239
2220	cf::global->attach (	3240	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3241	}
2225	);
2226	}
2227		3242
2228	#############################################################################	3243	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3244	next unless $info->{smooth};
2230		3245
2231	sub cfg_load {	3246	my $idx = cf::face::find $face
		3247	or next;
		3248
		3249	if (my $smooth = cf::face::find $info->{smooth}) {
		3250	cf::face::set_smooth $idx, $smooth;
		3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3252	} else {
		3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3254	}
		3255
		3256	cf::cede_to_tick;
		3257	}
		3258	}
		3259
		3260	{
		3261	my $anims = $facedata->{animinfo};
		3262
		3263	while (my ($anim, $info) = each %$anims) {
		3264	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3265	cf::cede_to_tick;
		3266	}
		3267
		3268	cf::anim::invalidate_all; # d'oh
		3269	}
		3270
		3271	{
		3272	# TODO: for gcfclient pleasure, we should give resources
		3273	# that gcfclient doesn't grok a >10000 face index.
		3274	my $res = $facedata->{resource};
		3275
		3276	while (my ($name, $info) = each %$res) {
		3277	if (defined $info->{type}) {
		3278	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3279	my $data;
		3280
		3281	if ($info->{type} & 1) {
		3282	# prepend meta info
		3283
		3284	my $meta = $enc->encode ({
		3285	name => $name,
		3286	%{ $info->{meta} || {} },
		3287	});
		3288
		3289	$data = pack "(w/a*)*", $meta, $info->{data};
		3290	} else {
		3291	$data = $info->{data};
		3292	}
		3293
		3294	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3295	cf::face::set_type $idx, $info->{type};
		3296	} else {
		3297	$RESOURCE{$name} = $info;
		3298	}
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302	}
		3303
		3304	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3305
		3306	1
		3307	}
		3308
		3309	cf::global->attach (on_resource_update => sub {
		3310	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3311	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3312
		3313	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3314	my $sound = $soundconf->{compat}[$_]
		3315	or next;
		3316
		3317	my $face = cf::face::find "sound/$sound->[1]";
		3318	cf::sound::set $sound->[0] => $face;
		3319	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3320	}
		3321
		3322	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3323	my $face = cf::face::find "sound/$v";
		3324	cf::sound::set $k => $face;
		3325	}
		3326	}
		3327	});
		3328
		3329	register_exticmd fx_want => sub {
		3330	my ($ns, $want) = @_;
		3331
		3332	while (my ($k, $v) = each %$want) {
		3333	$ns->fx_want ($k, $v);
		3334	}
		3335	};
		3336
		3337	sub load_resource_file($) {
		3338	my $guard = lock_acquire "load_resource_file";
		3339
		3340	my $status = load_resource_file_ $_[0];
		3341	get_slot 0.1, 100;
		3342	cf::arch::commit_load;
		3343
		3344	$status
		3345	}
		3346
		3347	sub reload_regions {
		3348	# HACK to clear player env face cache, we need some signal framework
		3349	# for this (global event?)
		3350	%ext::player_env::MUSIC_FACE_CACHE = ();
		3351
		3352	load_resource_file "$MAPDIR/regions"
		3353	or die "unable to load regions file\n";
		3354
		3355	for (cf::region::list) {
		3356	$_->{match} = qr/$_->{match}/
		3357	if exists $_->{match};
		3358	}
		3359	}
		3360
		3361	sub reload_facedata {
		3362	load_facedata "$DATADIR/facedata"
		3363	or die "unable to load facedata\n";
		3364	}
		3365
		3366	sub reload_archetypes {
		3367	load_resource_file "$DATADIR/archetypes"
		3368	or die "unable to load archetypes\n";
		3369	}
		3370
		3371	sub reload_treasures {
		3372	load_resource_file "$DATADIR/treasures"
		3373	or die "unable to load treasurelists\n";
		3374	}
		3375
		3376	sub reload_resources {
		3377	warn "reloading resource files...\n";
		3378
		3379	reload_facedata;
		3380	reload_archetypes;
		3381	reload_regions;
		3382	reload_treasures;
		3383
		3384	warn "finished reloading resource files\n";
		3385	}
		3386
		3387	sub reload_config {
		3388	warn "reloading config file...\n";
		3389
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3390	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3391	or return;
2234		3392
2235	local $/;	3393	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3394	*CFG = YAML::XS::Load scalar <$fh>;
2237		3395
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3396	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2239		3397
2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3398	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3399	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3403	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2246	and die "WARNING: m(un)lockall failed: $!\n";	3404	and die "WARNING: m(un)lockall failed: $!\n";
2247	};	3405	};
2248	warn $@ if $@;	3406	warn $@ if $@;
2249	}	3407	}
		3408
		3409	warn "finished reloading resource files\n";
		3410	}
		3411
		3412	sub pidfile() {
		3413	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3414	or die "$PIDFILE: $!";
		3415	flock $fh, &Fcntl::LOCK_EX
		3416	or die "$PIDFILE: flock: $!";
		3417	$fh
		3418	}
		3419
		3420	# make sure only one server instance is running at any one time
		3421	sub atomic {
		3422	my $fh = pidfile;
		3423
		3424	my $pid = <$fh>;
		3425	kill 9, $pid if $pid > 0;
		3426
		3427	seek $fh, 0, 0;
		3428	print $fh $$;
		3429	}
		3430
		3431	sub main_loop {
		3432	warn "EV::loop starting\n";
		3433	if (1) {
		3434	EV::loop;
		3435	}
		3436	warn "EV::loop returned\n";
		3437	goto &main_loop unless $REALLY_UNLOOP;
2250	}	3438	}
2251		3439
2252	sub main {	3440	sub main {
		3441	cf::init_globals; # initialise logging
		3442
		3443	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3444	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3445	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3446	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3447
		3448	cf::init_experience;
		3449	cf::init_anim;
		3450	cf::init_attackmess;
		3451	cf::init_dynamic;
		3452
		3453	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3454
2253	# we must not ever block the main coroutine	3455	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3456	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3457	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256	async { Event::one_event };	3458	(async {
		3459	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3460	EV::loop EV::LOOP_ONESHOT;
		3461	})->prio (Coro::PRIO_MAX);
2257	};	3462	};
2258		3463
2259	cfg_load;	3464	evthread_start IO::AIO::poll_fileno;
2260	db_load;	3465
		3466	cf::sync_job {
		3467	reload_resources;
		3468	reload_config;
		3469	db_init;
		3470
		3471	cf::load_settings;
		3472	cf::load_materials;
		3473	cf::init_uuid;
		3474	cf::init_signals;
		3475	cf::init_commands;
		3476	cf::init_skills;
		3477
		3478	cf::init_beforeplay;
		3479
		3480	atomic;
		3481
2261	load_extensions;	3482	load_extensions;
2262	Event::loop;	3483
		3484	utime time, time, $RUNTIMEFILE;
		3485
		3486	# no (long-running) fork's whatsoever before this point(!)
		3487	use POSIX ();
		3488	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3489
		3490	(pop @POST_INIT)->(0) while @POST_INIT;
		3491	};
		3492
		3493	main_loop;
2263	}	3494	}
2264		3495
2265	#############################################################################	3496	#############################################################################
2266	# initialisation and cleanup	3497	# initialisation and cleanup
2267		3498
2268	# install some emergency cleanup handlers	3499	# install some emergency cleanup handlers
2269	BEGIN {	3500	BEGIN {
		3501	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3502	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3503	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3504	cf::cleanup "SIG$signal";
2276	},
2277	);	3505	};
		3506	}
		3507	}
		3508
		3509	sub write_runtime_sync {
		3510	# first touch the runtime file to show we are still running:
		3511	# the fsync below can take a very very long time.
		3512
		3513	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3514
		3515	my $guard = cf::lock_acquire "write_runtime";
		3516
		3517	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = $cf::RUNTIME + 90 + 10;
		3521	# 10 is the runtime save interval, for a monotonic clock
		3522	# 60 allows for the watchdog to kill the server.
		3523
		3524	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3525	and return;
		3526
		3527	# always fsync - this file is important
		3528	aio_fsync $fh
		3529	and return;
		3530
		3531	# touch it again to show we are up-to-date
		3532	aio_utime $fh, undef, undef;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3538	and return;
		3539
		3540	warn "runtime file written.\n";
		3541
2278	}	3542	1
		3543	}
		3544
		3545	our $uuid_lock;
		3546	our $uuid_skip;
		3547
		3548	sub write_uuid_sync($) {
		3549	$uuid_skip ||= $_[0];
		3550
		3551	return if $uuid_lock;
		3552	local $uuid_lock = 1;
		3553
		3554	my $uuid = "$LOCALDIR/uuid";
		3555
		3556	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3557	or return;
		3558
		3559	my $value = uuid_seq uuid_cur;
		3560
		3561	unless ($value) {
		3562	warn "cowardly refusing to write zero uuid value!\n";
		3563	return;
		3564	}
		3565
		3566	my $value = uuid_str $value + $uuid_skip;
		3567	$uuid_skip = 0;
		3568
		3569	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3570	and return;
		3571
		3572	# always fsync - this file is important
		3573	aio_fsync $fh
		3574	and return;
		3575
		3576	close $fh
		3577	or return;
		3578
		3579	aio_rename "$uuid~", $uuid
		3580	and return;
		3581
		3582	warn "uuid file written ($value).\n";
		3583
		3584	1
		3585
		3586	}
		3587
		3588	sub write_uuid($$) {
		3589	my ($skip, $sync) = @_;
		3590
		3591	$sync ? write_uuid_sync $skip
		3592	: async { write_uuid_sync $skip };
2279	}	3593	}
2280		3594
2281	sub emergency_save() {	3595	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3596	my $freeze_guard = cf::freeze_mainloop;
2283		3597
2284	warn "enter emergency perl save\n";	3598	warn "emergency_perl_save: enter\n";
2285		3599
2286	cf::sync_job {	3600	cf::sync_job {
		3601	# this is a trade-off: we want to be very quick here, so
		3602	# save all maps without fsync, and later call a global sync
		3603	# (which in turn might be very very slow)
		3604	local $USE_FSYNC = 0;
		3605
2287	# use a peculiar iteration method to avoid tripping on perl	3606	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3607	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3608	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3609	warn "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3610	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3611	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3612	$pl->valid or next;
		3613	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3614	$pl->save;
2295	}	3615	}
2296	warn "end emergency player save\n";	3616	warn "emergency_perl_save: end player save\n";
2297		3617
2298	warn "begin emergency map save\n";	3618	warn "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3619	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3620	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3621	$map->valid or next;
2302	$map->save;	3622	$map->save;
2303	}	3623	}
2304	warn "end emergency map save\n";	3624	warn "emergency_perl_save: end map save\n";
		3625
		3626	warn "emergency_perl_save: begin database checkpoint\n";
		3627	BDB::db_env_txn_checkpoint $DB_ENV;
		3628	warn "emergency_perl_save: end database checkpoint\n";
		3629
		3630	warn "emergency_perl_save: begin write uuid\n";
		3631	write_uuid_sync 1;
		3632	warn "emergency_perl_save: end write uuid\n";
2305	};	3633	};
2306		3634
		3635	warn "emergency_perl_save: starting sync()\n";
		3636	IO::AIO::aio_sync sub {
		3637	warn "emergency_perl_save: finished sync()\n";
		3638	};
		3639
2307	warn "leave emergency perl save\n";	3640	warn "emergency_perl_save: leave\n";
2308	}	3641	}
2309		3642
		3643	sub post_cleanup {
		3644	my ($make_core) = @_;
		3645
		3646	warn Carp::longmess "post_cleanup backtrace"
		3647	if $make_core;
		3648
		3649	my $fh = pidfile;
		3650	unlink $PIDFILE if <$fh> == $$;
		3651	}
		3652
		3653	# a safer delete_package, copied from Symbol
		3654	sub clear_package($) {
		3655	my $pkg = shift;
		3656
		3657	# expand to full symbol table name if needed
		3658	unless ($pkg =~ /^main::.*::$/) {
		3659	$pkg = "main$pkg" if $pkg =~ /^::/;
		3660	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3661	$pkg .= '::' unless $pkg =~ /::$/;
		3662	}
		3663
		3664	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3665	my $stem_symtab = *{$stem}{HASH};
		3666
		3667	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3668	or return;
		3669
		3670	# clear all symbols
		3671	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3672	for my $name (keys %$leaf_symtab) {
		3673	_gv_clear *{"$pkg$name"};
		3674	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3675	}
		3676	warn "cleared package $pkg\n";#d#
		3677	}
		3678
2310	sub reload() {	3679	sub do_reload_perl() {
2311	# can/must only be called in main	3680	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3681	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3682	warn "can only reload from main coroutine";
2314	return;	3683	return;
2315	}	3684	}
2316		3685
		3686	return if $RELOAD++;
		3687
		3688	my $t1 = EV::time;
		3689
		3690	while ($RELOAD) {
2317	warn "reloading...";	3691	warn "reloading...";
2318		3692
2319	warn "freezing server";	3693	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3694
		3695	cf::sync_job {
		3696	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3697	cf::emergency_save;
		3698	cf::write_runtime_sync; # external watchdog should not bark
2322		3699
2323	warn "sync database to disk";	3700	warn "syncing database to disk";
2324	cf::db_sync;	3701	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3702
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3703	# if anything goes wrong in here, we should simply crash as we already saved
2329		3704
2330	warn "cancel all watchers";	3705	warn "flushing outstanding aio requests";
2331	for (Event::all_watchers) {	3706	while (IO::AIO::nreqs || BDB::nreqs) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3707	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();
2338
2339	warn "remove commands";
2340	%COMMAND = ();
2341
2342	warn "remove ext commands";
2343	%EXTCMD = ();
2344
2345	warn "unload/nuke all extensions";
2346	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";
2348
2349	if (my $cb = $pkg->can ("unload")) {
2350	eval {
2351	$cb->($pkg);
2352	1
2353	} or warn "$pkg unloaded, but with errors: $@";
2354	}	3708	}
2355		3709
		3710	warn "cancelling all extension coros";
		3711	$_->cancel for values %EXT_CORO;
		3712	%EXT_CORO = ();
		3713
		3714	warn "removing commands";
		3715	%COMMAND = ();
		3716
		3717	warn "removing ext/exti commands";
		3718	%EXTCMD = ();
		3719	%EXTICMD = ();
		3720
		3721	warn "unloading/nuking all extensions";
		3722	for my $pkg (@EXTS) {
2356	warn "... nuking $pkg";	3723	warn "... unloading $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359		3724
2360	warn "unload all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363
2364	warn "removing <$k>";
2365	delete $INC{$k};
2366
2367	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;
2369
2370	if (my $cb = $k->can ("unload_module")) {	3725	if (my $cb = $pkg->can ("unload")) {
		3726	eval {
2371	$cb->();	3727	$cb->($pkg);
		3728	1
		3729	} or warn "$pkg unloaded, but with errors: $@";
		3730	}
		3731
		3732	warn "... clearing $pkg";
		3733	clear_package $pkg;
2372	}	3734	}
2373		3735
2374	Symbol::delete_package $k;	3736	warn "unloading all perl modules loaded from $LIBDIR";
		3737	while (my ($k, $v) = each %INC) {
		3738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3739
		3740	warn "... unloading $k";
		3741	delete $INC{$k};
		3742
		3743	$k =~ s/\.pm$//;
		3744	$k =~ s/\//::/g;
		3745
		3746	if (my $cb = $k->can ("unload_module")) {
		3747	$cb->();
		3748	}
		3749
		3750	clear_package $k;
2375	}	3751	}
2376		3752
2377	warn "get rid of safe::, as good as possible";	3753	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3754	clear_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3756
2381	warn "unload cf.pm \"a bit\"";	3757	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3758	delete $INC{"cf.pm"};
		3759	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3760
2384	# don't, removes xs symbols, too,	3761	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3762	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3763	#clear_package __PACKAGE__;
2387		3764
		3765	warn "unload completed, starting to reload now";
		3766
2388	warn "reloading cf.pm";	3767	warn "reloading cf.pm";
2389	require cf;	3768	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3769	cf::_connect_to_perl_1;
2391		3770
2392	warn "load config and database again";	3771	warn "loading config and database again";
2393	cf::cfg_load;	3772	cf::reload_config;
2394	cf::db_load;
2395		3773
2396	warn "load extensions";	3774	warn "loading extensions";
2397	cf::load_extensions;	3775	cf::load_extensions;
2398		3776
		3777	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3778	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3779	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3780	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3781	reattach $_ for values %MAP;
		3782	warn "reattaching attachments to players";
		3783	reattach $_ for values %PLAYER;
		3784	}
		3785
		3786	warn "running post_init jobs";
		3787	(pop @POST_INIT)->(1) while @POST_INIT;
		3788
		3789	warn "leaving sync_job";
		3790
		3791	1
		3792	} or do {
		3793	warn $@;
		3794	cf::cleanup "error while reloading, exiting.";
		3795	};
		3796
		3797	warn "reloaded";
		3798	--$RELOAD;
		3799	}
		3800
		3801	$t1 = EV::time - $t1;
		3802	warn "reload completed in ${t1}s\n";
		3803	};
		3804
		3805	our $RELOAD_WATCHER; # used only during reload
		3806
		3807	sub reload_perl() {
		3808	# doing reload synchronously and two reloads happen back-to-back,
		3809	# coro crashes during coro_state_free->destroy here.
		3810
		3811	$RELOAD_WATCHER ||= cf::async {
		3812	Coro::AIO::aio_wait cache_extensions;
		3813
		3814	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3815	do_reload_perl;
		3816	undef $RELOAD_WATCHER;
		3817	};
2403	};	3818	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3819	}
2456		3820
2457	register_command "reload" => sub {	3821	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3822	my ($who, $arg) = @_;
2459		3823
2460	if ($who->flag (FLAG_WIZ)) {	3824	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3825	$who->message ("reloading server.");
		3826	async {
		3827	$Coro::current->{desc} = "perl_reload";
		3828	reload_perl;
		3829	};
2464	}	3830	}
2465	};	3831	};
2466		3832
2467	unshift @INC, $LIBDIR;	3833	unshift @INC, $LIBDIR;
2468		3834
2469	$TICK_WATCHER = Event->timer (	3835	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		3836
		3837	our @WAIT_FOR_TICK;
		3838	our @WAIT_FOR_TICK_BEGIN;
		3839
		3840	sub wait_for_tick {
		3841	return if tick_inhibit || $Coro::current == $Coro::main;
		3842
		3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub wait_for_tick_begin {
		3849	return if tick_inhibit || $Coro::current == $Coro::main;
		3850
		3851	my $signal = new Coro::Signal;
		3852	push @WAIT_FOR_TICK_BEGIN, $signal;
		3853	$signal->wait;
		3854	}
		3855
		3856	sub tick {
		3857	if ($Coro::current != $Coro::main) {
		3858	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3859	unless ++$bug_warning > 10;
		3860	return;
		3861	}
		3862
2477	cf::server_tick; # one server iteration	3863	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		3864
2481	$WAIT_FOR_TICK->broadcast;	3865	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3866	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2483		3867	Coro::async_pool {
2484	# if we are delayed by four ticks or more, skip them all	3868	$Coro::current->{desc} = "runtime saver";
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486
2487	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	3869	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	3870	or warn "ERROR: unable to write runtime file: $!";
2510	})->();	3871	};
2511	},	3872	}
2512	);	3873
		3874	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3875	$sig->send;
		3876	}
		3877	while (my $sig = shift @WAIT_FOR_TICK) {
		3878	$sig->send;
		3879	}
		3880
		3881	$LOAD = ($NOW - $TICK_START) / $TICK;
		3882	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3883
		3884	if (0) {
		3885	if ($NEXT_TICK) {
		3886	my $jitter = $TICK_START - $NEXT_TICK;
		3887	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3888	warn "jitter $JITTER\n";#d#
		3889	}
		3890	}
		3891	}
		3892
		3893	{
		3894	# configure BDB
		3895
		3896	BDB::min_parallel 8;
		3897	BDB::max_poll_reqs $TICK * 0.1;
		3898	$AnyEvent::BDB::WATCHER->priority (1);
		3899
		3900	unless ($DB_ENV) {
		3901	$DB_ENV = BDB::db_env_create;
		3902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3903	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3904	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3905	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3906	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3907
		3908	cf::sync_job {
		3909	eval {
		3910	BDB::db_env_open
		3911	$DB_ENV,
		3912	$BDBDIR,
		3913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3915	0666;
		3916
		3917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3918	};
		3919
		3920	cf::cleanup "db_env_open(db): $@" if $@;
		3921	};
		3922	}
		3923
		3924	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3925	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3926	};
		3927	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3928	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3929	};
		3930	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3931	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3932	};
		3933	}
		3934
		3935	{
		3936	# configure IO::AIO
		3937
		3938	IO::AIO::min_parallel 8;
		3939	IO::AIO::max_poll_time $TICK * 0.1;
		3940	undef $AnyEvent::AIO::WATCHER;
		3941	}
		3942
		3943	my $_log_backtrace;
		3944
		3945	sub _log_backtrace {
		3946	my ($msg, @addr) = @_;
		3947
		3948	$msg =~ s/\n//;
		3949
		3950	# limit the # of concurrent backtraces
		3951	if ($_log_backtrace < 2) {
		3952	++$_log_backtrace;
		3953	my $perl_bt = Carp::longmess $msg;
		3954	async {
		3955	$Coro::current->{desc} = "abt $msg";
		3956
		3957	my @bt = fork_call {
		3958	@addr = map { sprintf "%x", $_ } @addr;
		3959	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3960	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3961	or die "addr2line: $!";
		3962
		3963	my @funcs;
		3964	my @res = <$fh>;
		3965	chomp for @res;
		3966	while (@res) {
		3967	my ($func, $line) = splice @res, 0, 2, ();
		3968	push @funcs, "[$func] $line";
		3969	}
		3970
		3971	@funcs
		3972	};
		3973
		3974	LOG llevInfo, "[ABT] $perl_bt\n";
		3975	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3976	LOG llevInfo, "[ABT] $_\n" for @bt;
		3977	--$_log_backtrace;
		3978	};
		3979	} else {
		3980	LOG llevInfo, "[ABT] $msg\n";
		3981	LOG llevInfo, "[ABT] [suppressed]\n";
		3982	}
		3983	}
		3984
		3985	# load additional modules
		3986	require "cf/$_.pm" for @EXTRA_MODULES;
		3987	cf::_connect_to_perl_2;
2513		3988
2514	END { cf::emergency_save }	3989	END { cf::emergency_save }
2515		3990
2516	1	3991	1
2517		3992

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