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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 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
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	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		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
46		95
47	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	114	our $NEXT_TICK;
50	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
51		123
52	our %CFG;	124	our %CFG;
53		125
54	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
56		129
57	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		133
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	134	# 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;	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
64		146
65	binmode STDOUT;	147	binmode STDOUT;
66	binmode STDERR;	148	binmode STDERR;
67		149
68	# read virtual server time, if available	150	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
73	}	155	}
74		156
75	mkdir cf::localdir;	157	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		158
81	# a special map that is always available	159	mkdir $_
82	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
83	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
		163
		164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
84		173
85	#############################################################################	174	#############################################################################
86		175
87	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
88		177
…		…
95	=item $cf::RUNTIME	184	=item $cf::RUNTIME
96		185
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	186	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	187	every server tick.
99		188
100	=item $cf::LIBDIR	189	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		190	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		191	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		192
102	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	194	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		195	unique-items directory, player file directory, random maps directory and
		196	database environment.
104		197
105	=item $cf::NOW	198	=item $cf::NOW
106		199
107	The time of the last (current) server tick.	200	The time of the last (current) server tick.
108		201
109	=item $cf::TICK	202	=item $cf::TICK
110		203
111	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
112		205
		206	=item $cf::LOADAVG
		207
		208	The current CPU load on the server (alpha-smoothed), as a value between 0
		209	(none) and 1 (overloaded), indicating how much time is spent on processing
		210	objects per tick. Healthy values are < 0.5.
		211
		212	=item $cf::LOAD
		213
		214	The raw value load value from the last tick.
		215
113	=item %cf::CFG	216	=item %cf::CFG
114		217
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	219	from wherever your confdir points to.
117		220
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		222
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	223	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	224	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	225	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.	226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
124		238
125	=back	239	=back
126		240
127	=cut	241	=cut
128		242
129	BEGIN {	243	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	244	my $msg = join "", @_;
132	utf8::encode $msg;
133		245
134	$msg .= "\n"	246	$msg .= "\n"
135	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
136		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
137	LOG llevError, $msg;	251	LOG llevError, $msg;
138	};	252	};
139	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
140		267
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	272	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		273	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	274	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		275
148	# we bless all objects into (empty) derived classes to force a method lookup	276	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	277	# within the Safe compartment.
150	for my $pkg (qw(	278	for my $pkg (qw(
151	cf::global cf::attachable	279	cf::global cf::attachable
152	cf::object cf::object::player	280	cf::object cf::object::player
153	cf::client cf::player	281	cf::client cf::player
154	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
155	cf::map cf::party cf::region	284	cf::party cf::region
156	)) {	285	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	287	}
160		288
161	$Event::DIED = sub {	289	$EV::DIED = sub {
162	warn "error in event callback: @_";	290	warn "error in event callback: @_";
163	};	291	};
		292
		293	#############################################################################
164		294
165	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
166		296
167	=over 4	297	=over 4
168		298
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	318	$d
189	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
190	}	320	}
191		321
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
195		323
196	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
197		325
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
206		327
207	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
208		329
209	=cut	330	=cut
210		331
211	sub to_json($) {	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	333
213	JSON::Syck::Dump $_[0]	334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
214	}	349	}
215		350
216	=item cf::lock_wait $string	351	=item cf::lock_wait $string
217		352
218	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
219		354
220	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
221		356
222	Wait until the given lock is available and then acquires it and returns	357	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,	358	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	359	for example when the coroutine gets canceled), the lock is automatically
225	returned.	360	returned.
226		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
227	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
229		367
230	=cut	368	=item $locked = cf::lock_active $string
231		369
232	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
233		375
234	sub lock_wait($) {	376	sub lock_wait($) {
235	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	378	}
243		379
244	sub lock_acquire($) {	380	sub lock_acquire($) {
245	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
246		383
247	# wait, to be sure we are not locked	384	sub lock_active($) {
248	lock_wait $key;	385	$LOCKS->count ($_[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	}	386	}
257		387
258	sub freeze_mainloop {	388	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
260		390
261	my $guard = Coro::guard { $TICK_WATCHER->start };	391	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	392	}
263	$guard	393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
		452	}
		453	};
		454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
264	}	467	}
265		468
266	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
267		470
268	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		476
274	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
275		478
276	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
277		480
278	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
281		485
282	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
285	fast or be very important.	489	fast or be very important.
…		…
288		492
289	sub sync_job(&) {	493	sub sync_job(&) {
290	my ($job) = @_;	494	my ($job) = @_;
291		495
292	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
293	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
295		501
296	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	503
298	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
299		505
300	my $busy = 1;	506	my $busy = 1;
301	my @res;	507	my @res;
302		508
303	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	511	@res = eval { $job->() };
305	warn $@ if $@;	512	warn $@ if $@;
306	undef $busy;	513	undef $busy;
307	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
308		515
309	while ($busy) {	516	while ($busy) {
310	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
311	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
312		527
313	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
314	} else {	529	} else {
315	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
316		531
…		…
336	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
337		552
338	$coro	553	$coro
339	}	554	}
340		555
341	sub write_runtime {	556	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		557
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	558	Executes the given code block with the given arguments in a seperate
345	or return;	559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
346		562
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	563	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		564
351	aio_fsync $fh	565	sub fork_call(&@) {
352	and return;	566	my ($cb, @args) = @_;
353		567
354	close $fh	568	# we seemingly have to make a local copy of the whole thing,
355	or return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
356		571
357	aio_rename "$runtime~", $runtime	572	my @res = Coro::Util::fork_eval {
358	and return;	573	reset_signals;
		574	&$cb
		575	}, @args;
359		576
		577	wantarray ? @res : $res[-1]
		578	}
		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
		606
		607	=item $value = cf::db_get $family => $key
		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
		634	};
		635	cf::cleanup "db_open(db): $@" if $@;
		636
		637	$db
		638	}
		639
		640	our $DB;
		641
		642	sub db_init {
		643	cf::sync_job {
		644	$DB ||= db_table "db";
		645	};
		646	}
		647
		648	sub db_get($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
360	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
		732	}
		733
		734	=item cf::datalog type => key => value, ...
		735
		736	Log a datalog packet of the given type with the given key-value pairs.
		737
		738	=cut
		739
		740	sub datalog($@) {
		741	my ($type, %kv) = @_;
		742	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	743	}
362		744
363	=back	745	=back
364		746
365	=cut	747	=cut
366		748
367	#############################################################################	749	#############################################################################
368		750
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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530
531	#############################################################################
532
533	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
534		752
535	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
536	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
537	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
538		756
539	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
540	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
541	crossfire+).	759	Deliantra).
542		760
543	=over 4	761	=over 4
544		762
545	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
546		764
…		…
590	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
591		809
592	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
593	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
594		812
595	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
596	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
597		815
598	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
599		817
600	=over 4	818	=over 4
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	878	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	879	our @CB_MAP = ();
662		880
663	my %attachment;	881	my %attachment;
664		882
		883	sub cf::attachable::thawer_merge {
		884	# simply override everything except _meta
		885	local $_[0]{_meta};
		886	%{$_[0]} = %{$_[1]};
		887	}
		888
665	sub _attach_cb($$$$) {	889	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	890	my ($registry, $event, $prio, $cb) = @_;
667		891
668	use sort 'stable';	892	use sort 'stable';
669		893
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
704		928
705	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		933
710	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	935	my $pkg = shift @arg;
712		936
713	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
743	}	967	}
744		968
745	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
746	} else {	970	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	972	}
749		973
750	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
751	}	975	}
752		976
…		…
754	if (ref $_[0]) {	978	if (ref $_[0]) {
755	_object_attach @_;	979	_object_attach @_;
756	} else {	980	} else {
757	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
758	}	982	}
		983	_recalc_want;
759	};	984	};
760		985
761	# all those should be optimised	986	# all those should be optimised
762	sub cf::attachable::detach {	987	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
767	reattach ($obj);	992	reattach ($obj);
768	} else {	993	} else {
769	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
770	}	995	}
		996	_recalc_want;
771	};	997	};
772		998
773	sub cf::attachable::attached {	999	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
775		1001
…		…
790	";	1016	";
791	die if $@;	1017	die if $@;
792	}	1018	}
793		1019
794	our $override;	1020	our $override;
795	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
796		1022
797	sub override {	1023	sub override {
798	$override = 1;	1024	$override = 1;
799	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
800	}	1026	}
801		1027
802	sub do_invoke {	1028	sub do_invoke {
803	my $event = shift;	1029	my $event = shift;
804	my $callbacks = shift;	1030	my $callbacks = shift;
805		1031
806	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
807		1033
808	local $override;	1034	local $override;
809		1035
810	for (@$callbacks) {	1036	for (@$callbacks) {
811	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
820	}	1046	}
821		1047
822	0	1048	0
823	}	1049	}
824		1050
825	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
826		1052
827	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
828		1054
829	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
830		1056
831	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
832	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
833	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
834		1060
835	=back	1061	=back
836		1062
837	=cut	1063	=cut
838		1064
839	#############################################################################	1065	#############################################################################
840	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
841		1109
842	sub reattach {	1110	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	1112	my ($obj) = @_;
		1113
		1114	# no longer needed after getting rid of delete_package?
		1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		1116
846	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
847		1118
848	@$registry = ();	1119	@$registry = ();
849		1120
…		…
864	cf::attachable->attach (	1135	cf::attachable->attach (
865	prio => -1000000,	1136	prio => -1000000,
866	on_instantiate => sub {	1137	on_instantiate => sub {
867	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
868		1139
869	$data = from_json $data;	1140	$data = decode_json $data;
870		1141
871	for (@$data) {	1142	for (@$data) {
872	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
873		1144
874	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
890	sub object_freezer_save {	1161	sub object_freezer_save {
891	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
892		1163
893	sync_job {	1164	sync_job {
894	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
895	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
896	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
897		1169
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1173	if ($cf::USE_FSYNC) {
		1174	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;
901	aio_fsync $fh;	1175	aio_fsync $fh;
		1176	}
902	close $fh;	1177	aio_close $fh;
903		1178
904	if (@$objs) {	1179	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
909	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
910	close $fh;	1188	aio_close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
912	}	1190	}
913	} else {	1191	} else {
914	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
915	}	1193	}
916		1194
917	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
918	} else {	1199	} else {
919	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
920	}	1201	}
921	} else {	1202	} else {
922	aio_unlink $filename;	1203	aio_unlink $filename;
923	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
924	}	1205	}
925	}	1206	};
926	}	1207	}
927		1208
928	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
929	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
930		1211
…		…
942	or return;	1223	or return;
943		1224
944	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
945	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
946	or return;	1227	or return;
		1228
947	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
948	}	1231	}
949		1232
		1233	utf8::decode (my $decname = $filename);
950	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
952	return ($data, $av);	1237	($data, $av)
953	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
954		1245
955	#############################################################################	1246	#############################################################################
956	# command handling &c	1247	# command handling &c
957		1248
958	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1263	}
973		1264
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1266
976	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
977		1272
978	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
979	called.	1274	called.
980		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
981	=cut	1287	=cut
982		1288
983	sub register_extcmd {	1289	sub register_extcmd {
984	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
985		1291
986	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
987	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
988		1302
989	cf::player->attach (	1303	cf::player->attach (
990	on_command => sub {	1304	on_command => sub {
991	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
992		1306
…		…
1000	cf::override;	1314	cf::override;
1001	},	1315	},
1002	on_extcmd => sub {	1316	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
1004		1318
1005	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1320
1007	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
1010	$pl->ext_reply ($msg->{msgid}, %reply);
1011	}
1012	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
1013	} else {	1336	} else {
1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1015	}	1338	}
1016		1339
1017	cf::override;	1340	cf::override;
1018	},	1341	},
1019	);	1342	);
1020		1343
		1344	# "readahead" all extensions
1021	sub load_extension {	1345	sub cache_extensions {
1022	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
1023		1347
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1025	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
1026	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1027	$pkg =~ s/[^[:word:]]/_/g;	1351	}
1028	$pkg = "ext::$pkg";	1352	};
1029		1353
1030	warn "... loading '$path' into '$pkg'\n";	1354	$grp
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}	1355	}
1047		1356
1048	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
1049	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1362	next unless -r $path;
1051	eval {	1363
1052	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
1053	1	1420	}
1054	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
1055	}	1426	};
1056	}	1427	}
1057		1428
1058	#############################################################################	1429	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1430
1061	*cf::mapsupport::on_clean = sub {	1431	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1432
1074	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1075		1434
1076	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1077		1436
1078	=cut	1437	=cut
1079		1438
1080	package cf::player;	1439	package cf::player;
1081		1440
…		…
1083		1442
1084	=head3 cf::player	1443	=head3 cf::player
1085		1444
1086	=over 4	1445	=over 4
1087		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
		1460
1088	=item cf::player::find $login	1461	=item cf::player::find $login
1089		1462
1090	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1091		1464
1092	=cut	1465	=cut
1093		1466
1094	sub playerdir($) {	1467	sub playerdir($) {
1095	cf::localdir	1468	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1470	}
1101		1471
1102	sub path($) {	1472	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1474
1105	(playerdir $login) . "/$login.pl"	1475	(playerdir $login) . "/playerdata"
1106	}	1476	}
1107		1477
1108	sub find_active($) {	1478	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
1113		1483
1114	sub exists($) {	1484	sub exists($) {
1115	my ($login) = @_;	1485	my ($login) = @_;
1116		1486
1117	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1488	or !aio_stat path $login
1119	}	1489	}
1120		1490
1121	sub find($) {	1491	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1493	my $login = $_[0];
1124		1494
1125	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
1126		1496
1127	$cf::PLAYER{$_[0]} || do {	1497	$cf::PLAYER{$_[0]} || do {
1128	my $pl = load_pl path $login	1498	# rename old playerfiles to new ones
		1499	#TODO: remove when no longer required
		1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1503	aio_unlink +(playerdir $login) . "/$login.pl";
		1504
		1505	my $f = new_from_file cf::object::thawer path $login
1129	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
1130	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1131	}	1514	}
1132	}	1515	}
1133	}	1516	}
1134		1517
…		…
1143	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1144		1527
1145	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1146	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1147		1530
		1531	cf::get_slot 0.01;
		1532
1148	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1149	Coro::cede;	1534	cf::cede_to_tick;
1150	}	1535	}
1151		1536
1152	sub new($) {	1537	sub new($) {
1153	my ($login) = @_;	1538	my ($login) = @_;
1154		1539
…		…
1160	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1161		1546
1162	$self	1547	$self
1163	}	1548	}
1164		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1165	=item $pl->quit_character	1560	=item $pl->quit_character
1166		1561
1167	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1168	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1169		1564
1170	=cut	1565	=cut
1171		1566
1172	sub quit_character {	1567	sub quit_character {
1173	my ($pl) = @_;	1568	my ($pl) = @_;
1174		1569
		1570	my $name = $pl->ob->name;
		1571
1175	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1177		1574
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1179	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1180	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1181	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1182		1581
1183	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1584	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1585	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1586	$pl->destroy;
		1587
		1588	my $prefix = qr<^~\Q$name\E/>;
		1589
		1590	# nuke player maps
		1591	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1592
1188	IO::AIO::aio_rmtree $temp;	1593	IO::AIO::aio_rmtree $temp;
		1594	}
		1595
		1596	=item $pl->kick
		1597
		1598	Kicks a player out of the game. This destroys the connection.
		1599
		1600	=cut
		1601
		1602	sub kick {
		1603	my ($pl, $kicker) = @_;
		1604
		1605	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1606	$pl->killer ("kicked");
		1607	$pl->ns->destroy;
1189	}	1608	}
1190		1609
1191	=item cf::player::list_logins	1610	=item cf::player::list_logins
1192		1611
1193	Returns am arrayref of all valid playernames in the system, can take a	1612	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1195		1614
1196	=cut	1615	=cut
1197		1616
1198	sub list_logins {	1617	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1619	or return [];
1201		1620
1202	my @logins;	1621	my @logins;
1203		1622
1204	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1205	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1206	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1207	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1208		1633
1209	utf8::decode $login;	1634	utf8::decode $login;
1210	push @logins, $login;	1635	push @logins, $login;
1211	}	1636	}
1212		1637
1213	\@logins	1638	\@logins
1214	}	1639	}
1215		1640
1216	=item $player->maps	1641	=item $player->maps
1217		1642
1218	Returns an arrayref of cf::path's of all maps that are private for this	1643	Returns an arrayref of map paths that are private for this
1219	player. May block.	1644	player. May block.
1220		1645
1221	=cut	1646	=cut
1222		1647
1223	sub maps($) {	1648	sub maps($) {
1224	my ($pl) = @_;	1649	my ($pl) = @_;
		1650
		1651	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1652
1226	my $files = aio_readdir playerdir $pl	1653	my $files = aio_readdir playerdir $pl
1227	or return;	1654	or return;
1228		1655
1229	my @paths;	1656	my @paths;
…		…
1231	for (@$files) {	1658	for (@$files) {
1232	utf8::decode $_;	1659	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1660	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1661	next unless /^$PATH_SEP/o;
1235		1662
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1663	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1664	}
1238		1665
1239	\@paths	1666	\@paths
1240	}	1667	}
1241		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1243		1674
1244	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1245		1676
1246	=cut	1677	=cut
1247		1678
1248	sub ext_reply($$$%) {	1679	sub ext_reply($$@) {
1249	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1250		1681
1251	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1252
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1683	}
1255		1684
1256	package cf;	1685	=item $player->ext_msg ($type, @msg)
		1686
		1687	Sends an ext event to the client.
		1688
		1689	=cut
		1690
		1691	sub ext_msg($$@) {
		1692	my ($self, $type, @msg) = @_;
		1693
		1694	$self->ns->ext_msg ($type, @msg);
		1695	}
		1696
		1697	=head3 cf::region
		1698
		1699	=over 4
		1700
		1701	=cut
		1702
		1703	package cf::region;
		1704
		1705	=item cf::region::find_by_path $path
		1706
		1707	Tries to decuce the likely region for a map knowing only its path.
		1708
		1709	=cut
		1710
		1711	sub find_by_path($) {
		1712	my ($path) = @_;
		1713
		1714	my ($match, $specificity);
		1715
		1716	for my $region (list) {
		1717	if ($region->{match} && $path =~ $region->{match}) {
		1718	($match, $specificity) = ($region, $region->specificity)
		1719	if $region->specificity > $specificity;
		1720	}
		1721	}
		1722
		1723	$match
		1724	}
1257		1725
1258	=back	1726	=back
1259
1260		1727
1261	=head3 cf::map	1728	=head3 cf::map
1262		1729
1263	=over 4	1730	=over 4
1264		1731
…		…
1267	package cf::map;	1734	package cf::map;
1268		1735
1269	use Fcntl;	1736	use Fcntl;
1270	use Coro::AIO;	1737	use Coro::AIO;
1271		1738
		1739	use overload
		1740	'""' => \&as_string,
		1741	fallback => 1;
		1742
1272	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1274		1745
1275	sub generate_random_map {	1746	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1277		1750
1278	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1752	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1756	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1757	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1762	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1763	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1764	)
1293	}	1765	}
1294		1766
1295	# and all this just because we cannot iterate over	1767	=item cf::map->register ($regex, $prio)
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;
1299		1768
1300	$_->change_map_light ($change)	1769	Register a handler for the map path matching the given regex at the
1301	for grep $_->outdoor, values %cf::MAP;	1770	givne priority (higher is better, built-in handlers have priority 0, the
1302	}	1771	default).
1303		1772
1304	sub load_map_header($) {	1773	=cut
		1774
		1775	sub register {
		1776	my (undef, $regex, $prio) = @_;
		1777	my $pkg = caller;
		1778
		1779	no strict;
		1780	push @{"$pkg\::ISA"}, __PACKAGE__;
		1781
		1782	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1783	}
		1784
		1785	# also paths starting with '/'
		1786	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1787
		1788	sub thawer_merge {
		1789	my ($self, $merge) = @_;
		1790
		1791	# we have to keep some variables in memory intact
		1792	local $self->{path};
		1793	local $self->{load_path};
		1794
		1795	$self->SUPER::thawer_merge ($merge);
		1796	}
		1797
		1798	sub normalise {
1305	my ($path) = @_;	1799	my ($path, $base) = @_;
		1800
		1801	$path = "$path"; # make sure its a string
		1802
		1803	$path =~ s/\.map$//;
		1804
		1805	# map plan:
		1806	#
		1807	# /! non-realised random map exit (special hack!)
		1808	# {... are special paths that are not being touched
		1809	# ?xxx/... are special absolute paths
		1810	# ?random/... random maps
		1811	# /... normal maps
		1812	# ~user/... per-player map of a specific user
		1813
		1814	$path =~ s/$PATH_SEP/\//go;
		1815
		1816	# treat it as relative path if it starts with
		1817	# something that looks reasonable
		1818	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1819	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1820
		1821	$base =~ s{[^/]+/?$}{};
		1822	$path = "$base/$path";
		1823	}
		1824
		1825	for ($path) {
		1826	redo if s{//}{/};
		1827	redo if s{/\.?/}{/};
		1828	redo if s{/[^/]+/\.\./}{/};
		1829	}
		1830
		1831	$path
		1832	}
		1833
		1834	sub new_from_path {
		1835	my (undef, $path, $base) = @_;
		1836
		1837	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1838
		1839	$path = normalise $path, $base;
		1840
		1841	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1842	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1843	my $self = bless cf::map::new, $pkg;
		1844	$self->{path} = $path; $self->path ($path);
		1845	$self->init; # pass $1 etc.
		1846	return $self;
		1847	}
		1848	}
		1849
		1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1851	()
		1852	}
		1853
		1854	sub init {
		1855	my ($self) = @_;
		1856
		1857	$self
		1858	}
		1859
		1860	sub as_string {
		1861	my ($self) = @_;
		1862
		1863	"$self->{path}"
		1864	}
		1865
		1866	# the displayed name, this is a one way mapping
		1867	sub visible_name {
		1868	&as_string
		1869	}
		1870
		1871	# the original (read-only) location
		1872	sub load_path {
		1873	my ($self) = @_;
		1874
		1875	"$MAPDIR/$self->{path}.map"
		1876	}
		1877
		1878	# the temporary/swap location
		1879	sub save_path {
		1880	my ($self) = @_;
		1881
		1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1883	"$TMPDIR/$path.map"
		1884	}
		1885
		1886	# the unique path, undef == no special unique path
		1887	sub uniq_path {
		1888	my ($self) = @_;
		1889
		1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1891	"$UNIQUEDIR/$path"
		1892	}
		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
		1902	sub unlink_save {
		1903	my ($self) = @_;
		1904
		1905	utf8::encode (my $save = $self->save_path);
		1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1907	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1908	}
		1909
		1910	sub load_header_from($) {
		1911	my ($self, $path) = @_;
1306		1912
1307	utf8::encode $path;	1913	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1309	or return;	1915	or return;
1310		1916
1311	my $map = cf::map::new	1917	$self->_load_header ($f)
1312	or return;	1918	or return;
1313		1919
1314	# for better error messages only, will be overwritten later	1920	local $MAP_LOADING{$self->{path}} = $self;
1315	$map->path ($path);	1921	$f->resolve_delayed_derefs;
1316		1922
1317	$map->load_header ($path)	1923	$self->{load_path} = $path;
		1924
		1925	1
		1926	}
		1927
		1928	sub load_header_orig {
		1929	my ($self) = @_;
		1930
		1931	$self->load_header_from ($self->load_path)
		1932	}
		1933
		1934	sub load_header_temp {
		1935	my ($self) = @_;
		1936
		1937	$self->load_header_from ($self->save_path)
		1938	}
		1939
		1940	sub prepare_temp {
		1941	my ($self) = @_;
		1942
		1943	$self->last_access ((delete $self->{last_access})
		1944	|| $cf::RUNTIME); #d#
		1945	# safety
		1946	$self->{instantiate_time} = $cf::RUNTIME
		1947	if $self->{instantiate_time} > $cf::RUNTIME;
		1948	}
		1949
		1950	sub prepare_orig {
		1951	my ($self) = @_;
		1952
		1953	$self->{load_original} = 1;
		1954	$self->{instantiate_time} = $cf::RUNTIME;
		1955	$self->last_access ($cf::RUNTIME);
		1956	$self->instantiate;
		1957	}
		1958
		1959	sub load_header {
		1960	my ($self) = @_;
		1961
		1962	if ($self->load_header_temp) {
		1963	$self->prepare_temp;
		1964	} else {
		1965	$self->load_header_orig
1318	or return;	1966	or return;
		1967	$self->prepare_orig;
		1968	}
1319		1969
1320	$map->{load_path} = $path;	1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
1321		1972
1322	$map	1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
		1976	1
1323	}	1977	}
1324		1978
1325	sub find;	1979	sub find;
1326	sub find {	1980	sub find {
1327	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1328		1982
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1984
1334	cf::lock_wait "map_find:$key";	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1335
1336	$cf::MAP{$key} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1338		1987
1339	# do it the slow way	1988	$cf::MAP{$path} || do {
1340	my $map = $path->load_temp;	1989	my $map = new_from_path cf::map $path
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1990	or return;
1353		1991
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1366		1993
1367	Coro::cede;	1994	$map->load_header
		1995	or return;
1368		1996
1369	if ($map->should_reset) {	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1998	# doing this can freeze the server in a sync job, obviously
		1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1370	$map->reset;	2002	$map->reset;
1371	undef $guard;
1372	$map = find $path	2003	return find $path;
1373	or return;
1374	}	2004	}
1375		2005
1376	$cf::MAP{$key} = $map	2006	$cf::MAP{$path} = $map
1377	}	2007	}
1378	}	2008	}
		2009
		2010	sub pre_load { }
		2011	sub post_load { }
1379		2012
1380	sub load {	2013	sub load {
1381	my ($self) = @_;	2014	my ($self) = @_;
1382		2015
		2016	local $self->{deny_reset} = 1; # loading can take a long time
		2017
1383	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2021	my $guard = cf::lock_acquire "map_data:$path";
1385		2022
		2023	return unless $self->valid;
1386	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1387		2025
1388	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1389		2027
1390	$self->alloc;	2028	$self->alloc;
1391	$self->load_objects ($self->{load_path}, 1)	2029
		2030	$self->pre_load;
		2031	cf::cede_to_tick;
		2032
		2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
		2035	$self->_load_objects ($f)
1392	or return;	2036	or return;
1393		2037
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1395	if delete $self->{load_original};	2039	if delete $self->{load_original};
1396		2040
1397	if (my $uniq = $path->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	2042	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1400	$self->clear_unique_items;	2045	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1402	}	2049	}
1403	}	2050	}
1404		2051
1405	Coro::cede;	2052	$f->resolve_delayed_derefs;
1406		2053
		2054	cf::cede_to_tick;
1407	# now do the right thing for maps	2055	# now do the right thing for maps
1408	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	2058	unless $self->difficulty;
		2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1420	$self->activate;	2066	$self->activate;
1421	}	2067	}
1422		2068
1423	Coro::cede;	2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
1424		2071
1425	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
		2073	}
		2074
		2075	$self->post_load;
		2076	}
		2077
		2078	sub customise_for {
		2079	my ($self, $ob) = @_;
		2080
		2081	return find "~" . $ob->name . "/" . $self->{path}
		2082	if $self->per_player;
		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
		2087	$self
1426	}	2088	}
1427		2089
1428	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	2091	sub load_neighbours {
1430	my ($map) = @_;	2092	my ($map) = @_;
1431		2093
1432	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1433		2095
1434	for (0 .. 3) {	2096	for (0 .. 3) {
1435	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1436	or next;	2098	or next;
1437	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1438	or next;	2100	or next;
1439	$neigh->load;	2101	$neigh->load;
1440		2102
		2103	push @neigh,
1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1443	}	2106	}
1444		2107
1445	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1446	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1447	or next;	2111	or next;
1448	$neigh->load;	2112	$neigh->load;
1449	}	2113	}
1450	}	2114	}
1451		2115
…		…
1456	}	2120	}
1457		2121
1458	sub do_load_sync {	2122	sub do_load_sync {
1459	my ($map) = @_;	2123	my ($map) = @_;
1460		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1461	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1462	}	2129	}
1463		2130
1464	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
		2132	our $MAP_PREFETCHER = undef;
		2133
		2134	sub find_async {
		2135	my ($path, $origin, $load) = @_;
		2136
		2137	$path = normalise $path, $origin && $origin->{path};
		2138
		2139	if (my $map = $cf::MAP{$path}) {
		2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2141	}
		2142
		2143	$MAP_PREFETCH{$path} |= $load;
		2144
1465	our $MAP_PREFETCHER = Coro::async {	2145	$MAP_PREFETCHER ||= cf::async {
1466	while () {	2146	$Coro::current->{desc} = "map prefetcher";
		2147
1467	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1469	or next;	2150	if (my $map = find $k) {
		2151	$map->load if $v;
		2152	}
		2153
1470	my $path = delete $MAP_PREFETCH{$key};	2154	delete $MAP_PREFETCH{$k};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}	2155	}
1476	Coro::schedule;	2156	}
		2157	undef $MAP_PREFETCHER;
1477	}	2158	};
1478	};
1479
1480	sub find_async {
1481	my ($path, $origin) = @_;
1482
1483	$path = new cf::path $path, $origin && $origin->path;
1484	my $key = $path->as_string;
1485
1486	if (my $map = $cf::MAP{$key}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}
1489
1490	$MAP_PREFETCH{$key} = $path;
1491	$MAP_PREFETCHER->ready;	2159	$MAP_PREFETCHER->prio (6);
1492		2160
1493	()	2161	()
1494	}	2162	}
1495		2163
1496	sub save {	2164	sub save {
1497	my ($self) = @_;	2165	my ($self) = @_;
1498		2166
1499	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1500		2168
1501	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1502		2170
1503	return unless $self->dirty;	2171	return unless $self->dirty;
1504		2172
1505	my $save = $self->{path}->save_path; utf8::encode $save;	2173	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2174	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		2175
1508	$self->{load_path} = $save;	2176	$self->{load_path} = $save;
1509		2177
1510	return if $self->{deny_save};	2178	return if $self->{deny_save};
1511		2179
1512	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1513		2181
1514	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1515	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1516	};	2185	};
1517		2186
		2187	cf::get_slot 0.02;
		2188
1518	if ($uniq) {	2189	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	2192	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	2194	}
1524	}	2195	}
1525		2196
1526	sub swap_out {	2197	sub swap_out {
1527	my ($self) = @_;	2198	my ($self) = @_;
1528		2199
1529	# save first because save cedes	2200	# save first because save cedes
1530	$self->save;	2201	$self->save;
1531		2202
1532	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1533		2204
1534	return if $self->players;	2205	return if $self->players;
1535	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1536	return if $self->{deny_save};	2207	return if $self->{deny_save};
1537		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1538	$self->clear;	2213	$self->clear;
1539	$self->in_memory (cf::MAP_SWAPPED);
1540	}	2214	}
1541		2215
1542	sub reset_at {	2216	sub reset_at {
1543	my ($self) = @_;	2217	my ($self) = @_;
1544		2218
1545	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1548		2221
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		2224
…		…
1556	my ($self) = @_;	2229	my ($self) = @_;
1557		2230
1558	$self->reset_at <= $cf::RUNTIME	2231	$self->reset_at <= $cf::RUNTIME
1559	}	2232	}
1560		2233
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2234	sub reset {
1575	my ($self) = @_;	2235	my ($self) = @_;
1576		2236
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2238
1579	return if $self->players;	2239	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2240
1582	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
		2242
		2243	$self->in_memory (cf::MAP_SWAPPED);
		2244
		2245	# need to save uniques path
		2246	unless ($self->{deny_save}) {
		2247	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2248
		2249	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2250	if $uniq;
		2251	}
1583		2252
1584	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1585		2254
		2255	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2256	$_->clear_links_to ($self) for values %cf::MAP;
		2257	$self->clear;
1587		2258
1588	$self->{path}->unlink_save;	2259	$self->unlink_save;
1589	$self->destroy;	2260	$self->destroy;
1590	}	2261	}
1591		2262
1592	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1593		2264
1594	sub nuke {	2265	sub nuke {
1595	my ($self) = @_;	2266	my ($self) = @_;
1596		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	delete $cf::MAP{$self->path};
		2272
		2273	$self->unlink_save;
		2274
		2275	bless $self, "cf::map";
		2276	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2280
		2281	$cf::MAP{$self->path} = $self;
		2282	}
		2283
1600	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
1601	}	2285	}
1602		2286
1603	sub customise_for {	2287	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2288
1606	if ($map->per_player) {	2289	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
1608	}	2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
1609		2304
1610	$map	2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1611	}	2321	}
1612		2322
1613	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1614		2324
1615	Returns an arrayref of cf::path's of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2326	instantiated unique items. May block.
1617		2327
1618	=cut	2328	=cut
1619		2329
1620	sub unique_maps() {	2330	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1622	or return;	2332	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2333	utf8::decode $_;
1628	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2336	? ()
1631	push @paths, new cf::path $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2339	]
1633
1634	\@paths
1635	}	2340	}
1636
1637	package cf;
1638		2341
1639	=back	2342	=back
1640		2343
1641	=head3 cf::object	2344	=head3 cf::object
1642		2345
…		…
1646		2349
1647	=over 4	2350	=over 4
1648		2351
1649	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1650		2353
1651	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1652		2356
1653	=cut	2357	=cut
1654		2358
1655	sub inv_recursive_;	2359	sub inv_recursive_;
1656	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1659		2363
1660	sub inv_recursive {	2364	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1662	}	2366	}
1663		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1664	package cf;	2396	package cf;
1665		2397
1666	=back	2398	=back
1667		2399
1668	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1677		2409
1678	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1679		2425
1680	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2427	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1685		2431
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2433
1688	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1690	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1693	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1694	}	2459	}
1695		2460
1696	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1697		2462
1698	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1711		2476
1712	=item $player_object->enter_link	2477	=item $player_object->enter_link
1713		2478
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2480
1716	The player should be reaosnably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
		2485
		2486	Will never block.
1718		2487
1719	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1720		2489
1721	Moves the player out of the specila link map onto the given map. If the	2490	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2491	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2492	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2493	fails, to the emergency map position.
1725		2494
1726	Might block.	2495	Might block.
1727		2496
1728	=cut	2497	=cut
		2498
		2499	sub link_map {
		2500	unless ($LINK_MAP) {
		2501	$LINK_MAP = cf::map::find "{link}"
		2502	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2503	$LINK_MAP->load;
		2504	}
		2505
		2506	$LINK_MAP
		2507	}
1729		2508
1730	sub cf::object::player::enter_link {	2509	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2510	my ($self) = @_;
1732		2511
1733	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1734		2513
1735	return if $self->map == $LINK_MAP;	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2515
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1739		2518
1740	$self->enter_map ($LINK_MAP, 20, 20);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2520	}
1742		2521
1743	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1745		2526
1746	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1747		2528
1748	unless ($map) {	2529	unless ($map) {
1749	# restore original map position	2530	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1766		2547
1767	$map->load;	2548	$map->load;
1768	$map->load_diag;	2549	$map->load_neighbours;
1769		2550
1770	return unless $self->contr->active;	2551	return unless $self->contr->active;
		2552
		2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2557	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2558	}
1774		2559
1775	cf::player->attach (	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2561
1779	# abort map switching before logout	2562	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2563	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2565	the new (success) or old (failed) map position. In either case, $done will
1783	};	2566	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2567
1789	# try to abort aborted map switching on player login :)	2568	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2569	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2570
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1810		2574
1811	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2577
1814	$path = new cf::path $path;	2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2580
1816	$self->enter_link;	2581	$self->enter_link;
1817		2582
1818	(async {	2583	(async {
1819	my $map = cf::map::find $path->as_string;	2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
		2605	my $map = eval {
		2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
1821		2610	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2611	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
1826		2614
		2615	$map
		2616	};
		2617
		2618	if ($@) {
		2619	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2620	LOG llevError | logBacktrace, Carp::longmess $@;
		2621	}
		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1828	})->prio (1);	2629	})->prio (1);
1829	}	2630	}
1830		2631
1831	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1832		2633
…		…
1834		2635
1835	sub parse_random_map_params {	2636	sub parse_random_map_params {
1836	my ($spec) = @_;	2637	my ($spec) = @_;
1837		2638
1838	my $rmp = { # defaults	2639	my $rmp = { # defaults
1839	xsize => 10,	2640	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2641	ysize => (cf::rndm 15, 40),
		2642	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2643	#layout => string,
1841	};	2644	};
1842		2645
1843	for (split /\n/, $spec) {	2646	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2647	my ($k, $v) = split /\s+/, $_, 2;
1845		2648
…		…
1857	# that depends on the exit object	2660	# that depends on the exit object
1858		2661
1859	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
1860		2663
1861	if ($exit->map) {	2664	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2665	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1866	}	2671	}
1867		2672
1868	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1869		2674
1870	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
		2677	my $meta = "$RANDOMDIR/$md5.meta";
1872		2678
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
		2681	undef $fh;
		2682	aio_rename "$meta~", $meta;
1875		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1878	}	2690	}
1879	}	2691	}
1880		2692
1881	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1885		2697
1886	$self->enter_link;	2698	$self->enter_link;
1887		2699
1888	(async {	2700	(async {
1889	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1890	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
1891	prepare_random_map $exit	2710	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2711	if $exit->slaying eq "/!";
		2712	}
1893		2713
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
1896		2717
		2718	$self->goto ($map, $x, $y);
		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
1897	1;	2724	1
1898	}) {	2725	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2730
1904	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2732	$self->leave_link;
1906	}	2733	}
1907	})->prio (1);	2734	})->prio (1);
…		…
1920		2747
1921	sub cf::client::send_drawinfo {	2748	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2749	my ($self, $text, $flags) = @_;
1923		2750
1924	utf8::encode $text;	2751	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2753	}
1927		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
		2915	=item $client->ext_msg ($type, @msg)
		2916
		2917	Sends an ext event to the client.
		2918
		2919	=cut
		2920
		2921	sub cf::client::ext_msg($$@) {
		2922	my ($self, $type, @msg) = @_;
		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
		2927	push @msg, msgtype => "event_$type";
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
1928		2949
1929	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
1930		2951
1931	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2955
1935	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2957	become reliable at some point in the future.
1937		2958
1938	=cut	2959	=cut
1939		2960
1940	sub cf::client::query {	2961	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2970	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2972
1952	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
1954	}	2977	}
1955		2978
1956	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
1957	on_reply => sub {	2985	on_reply => sub {
1958	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
1959		2987
1960	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
1961	# get handled first	2989	# get handled first
1962	my $queue = delete $ns->{query_queue}	2990	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2991	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2992
1965	(shift @$queue)->[1]->($msg);	2993	(shift @$queue)->[1]->($msg);
		2994	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2995
1967	push @{ $ns->{query_queue} }, @$queue;	2996	push @{ $ns->{query_queue} }, @$queue;
1968		2997
1969	if (@{ $ns->{query_queue} } == @$queue) {	2998	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2999	if (@$queue) {
…		…
1972	} else {	3001	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3003	}
1975	}	3004	}
1976	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
1977	);	3032	);
1978		3033
1979	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
1980		3035
1981	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2024		3079
2025	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2026		3081
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2028		3087
2029	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2030		3089
2031	=pod	3090	=pod
2032		3091
2033	The following fucntions and emthods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2034		3093
2035	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2036	cf::object::player player	3099	cf::object::player
2037	cf::player peaceful	3100	player
2038	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2039		3107
2040	=cut	3108	=cut
2041		3109
2042	for (	3110	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2047	) {	3117	) {
2048	no strict 'refs';	3118	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2067	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2068		3138
2069	my $qcode = $code;	3139	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2072		3144
2073	local $_;	3145	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2075		3147
2076	my $eval =	3148	my $eval =
…		…
2119	=back	3191	=back
2120		3192
2121	=cut	3193	=cut
2122		3194
2123	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2124		3197
2125	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2126		3200
2127	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2129	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3204
2131	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3206
2134	=over 4	3207	warn "loading facedata from $path\n";
2135		3208
2136	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2137		3212
2138	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3214
2142	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3217
2144	Returns a single value from the database	3218	# patch in the exptable
2145		3219	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2147		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3222	};
		3223	cf::cede_to_tick;
2197		3224
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2202		3227
2203	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3230
2209	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3235
2218	cf::global->attach (	3236	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3237	}
2223	);
2224	}
2225		3238
2226	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3240	next unless $info->{smooth};
2228		3241
2229	sub cfg_load {	3242	my $idx = cf::face::find $face
		3243	or next;
		3244
		3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3248	} else {
		3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
		3302	1
		3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
		3372	sub reload_resources {
		3373	warn "reloading resource files...\n";
		3374
		3375	reload_facedata;
		3376	reload_archetypes;
		3377	reload_regions;
		3378	reload_treasures;
		3379
		3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3385	or return;
2232		3386
2233	local $/;	3387	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2235		3389
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3391
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	};	3399	};
2246	warn $@ if $@;	3400	warn $@ if $@;
2247	}	3401	}
2248	}	3402	}
2249		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
2250	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2251	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3450	(async {
		3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
		3453	})->prio (Coro::PRIO_MAX);
2255	};	3454	};
2256		3455
2257	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
		3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2259	load_extensions;	3474	load_extensions;
2260	Event::loop;	3475
		3476	utime time, time, $RUNTIMEFILE;
		3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2261	}	3486	}
2262		3487
2263	#############################################################################	3488	#############################################################################
2264	# initialisation and cleanup	3489	# initialisation and cleanup
2265		3490
2266	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2267	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2274	},
2275	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2276	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2277	}	3585	}
2278		3586
2279	sub emergency_save() {	3587	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2281		3589
2282	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2283		3591
2284	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2285	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3606	$pl->save;
2293	}	3607	}
2294	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2295		3609
2296	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3613	$map->valid or next;
2300	$map->save;	3614	$map->save;
2301	}	3615	}
2302	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
		3617
		3618	warn "emergency_perl_save: begin database checkpoint\n";
		3619	BDB::db_env_txn_checkpoint $DB_ENV;
		3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2303	};	3625	};
2304		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2305	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2306	}	3633	}
2307		3634
		3635	sub post_cleanup {
		3636	my ($make_core) = @_;
		3637
		3638	warn Carp::longmess "post_cleanup backtrace"
		3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
		3669	}
		3670
2308	sub reload() {	3671	sub do_reload_perl() {
2309	# can/must only be called in main	3672	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3674	warn "can only reload from main coroutine";
2312	return;	3675	return;
2313	}	3676	}
2314		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2315	warn "reloading...";	3683	warn "reloading...";
2316		3684
2317	warn "freezing server";	3685	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3686
		3687	cf::sync_job {
		3688	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3689	cf::emergency_save;
		3690	cf::write_runtime_sync; # external watchdog should not bark
2320		3691
2321	warn "sync database to disk";	3692	warn "syncing database to disk";
2322	cf::db_sync;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3694
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2327		3696
2328	warn "cancel all watchers";	3697	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3700	}
2353		3701
		3702	warn "cancelling all extension coros";
		3703	$_->cancel for values %EXT_CORO;
		3704	%EXT_CORO = ();
		3705
		3706	warn "removing commands";
		3707	%COMMAND = ();
		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3715	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3716
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2369	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2370	}	3726	}
2371		3727
2372	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2373	}	3743	}
2374		3744
2375	warn "get rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3748
2379	warn "unload cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3752
2382	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3754	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2385		3756
		3757	warn "unload completed, starting to reload now";
		3758
2386	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2387	require cf;	3760	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3762
2390	warn "load config and database again";	3763	warn "loading config and database again";
2391	cf::cfg_load;	3764	cf::reload_config;
2392	cf::db_load;
2393		3765
2394	warn "load extensions";	3766	warn "loading extensions";
2395	cf::load_extensions;	3767	cf::load_extensions;
2396		3768
		3769	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3771	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3772	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
		3774	warn "reattaching attachments to players";
		3775	reattach $_ for values %PLAYER;
		3776	}
		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
		3781	warn "leaving sync_job";
		3782
		3783	1
		3784	} or do {
		3785	warn $@;
		3786	cf::cleanup "error while reloading, exiting.";
		3787	};
		3788
		3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
		3795	};
		3796
		3797	our $RELOAD_WATCHER; # used only during reload
		3798
		3799	sub reload_perl() {
		3800	# doing reload synchronously and two reloads happen back-to-back,
		3801	# coro crashes during coro_state_free->destroy here.
		3802
		3803	$RELOAD_WATCHER ||= cf::async {
		3804	Coro::AIO::aio_wait cache_extensions;
		3805
		3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3807	do_reload_perl;
		3808	undef $RELOAD_WATCHER;
		3809	};
2401	};	3810	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3811	}
2454		3812
2455	register_command "reload" => sub {	3813	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2457		3815
2458	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
		3820	reload_perl;
		3821	};
2462	}	3822	}
2463	};	3823	};
2464		3824
2465	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2466		3826
2467	$TICK_WATCHER = Event->timer (	3827	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3828
		3829	our @WAIT_FOR_TICK;
		3830	our @WAIT_FOR_TICK_BEGIN;
		3831
		3832	sub wait_for_tick {
		3833	return if tick_inhibit || $Coro::current == $Coro::main;
		3834
		3835	my $signal = new Coro::Signal;
		3836	push @WAIT_FOR_TICK, $signal;
		3837	$signal->wait;
		3838	}
		3839
		3840	sub wait_for_tick_begin {
		3841	return if tick_inhibit || $Coro::current == $Coro::main;
		3842
		3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK_BEGIN, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub tick {
		3849	if ($Coro::current != $Coro::main) {
		3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3851	unless ++$bug_warning > 10;
		3852	return;
		3853	}
		3854
2475	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		3856
2479	$WAIT_FOR_TICK->broadcast;	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2481		3859	Coro::async_pool {
2482	# if we are delayed by four ticks or more, skip them all	3860	$Coro::current->{desc} = "runtime saver";
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3861	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3863	};
2509	},	3864	}
2510	);	3865
		3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3867	$sig->send;
		3868	}
		3869	while (my $sig = shift @WAIT_FOR_TICK) {
		3870	$sig->send;
		3871	}
		3872
		3873	$LOAD = ($NOW - $TICK_START) / $TICK;
		3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3875
		3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
		3882	}
		3883	}
		3884
		3885	{
		3886	# configure BDB
		3887
		3888	BDB::min_parallel 8;
		3889	BDB::max_poll_reqs $TICK * 0.1;
		3890	$AnyEvent::BDB::WATCHER->priority (1);
		3891
		3892	unless ($DB_ENV) {
		3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3899
		3900	cf::sync_job {
		3901	eval {
		3902	BDB::db_env_open
		3903	$DB_ENV,
		3904	$BDBDIR,
		3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3907	0666;
		3908
		3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3910	};
		3911
		3912	cf::cleanup "db_env_open(db): $@" if $@;
		3913	};
		3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
		3925	}
		3926
		3927	{
		3928	# configure IO::AIO
		3929
		3930	IO::AIO::min_parallel 8;
		3931	IO::AIO::max_poll_time $TICK * 0.1;
		3932	undef $AnyEvent::AIO::WATCHER;
		3933	}
		3934
		3935	my $_log_backtrace;
		3936
		3937	sub _log_backtrace {
		3938	my ($msg, @addr) = @_;
		3939
		3940	$msg =~ s/\n//;
		3941
		3942	# limit the # of concurrent backtraces
		3943	if ($_log_backtrace < 2) {
		3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
		3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
		3949	my @bt = fork_call {
		3950	@addr = map { sprintf "%x", $_ } @addr;
		3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3953	or die "addr2line: $!";
		3954
		3955	my @funcs;
		3956	my @res = <$fh>;
		3957	chomp for @res;
		3958	while (@res) {
		3959	my ($func, $line) = splice @res, 0, 2, ();
		3960	push @funcs, "[$func] $line";
		3961	}
		3962
		3963	@funcs
		3964	};
		3965
		3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3968	LOG llevInfo, "[ABT] $_\n" for @bt;
		3969	--$_log_backtrace;
		3970	};
		3971	} else {
		3972	LOG llevInfo, "[ABT] $msg\n";
		3973	LOG llevInfo, "[ABT] [suppressed]\n";
		3974	}
		3975	}
		3976
		3977	# load additional modules
		3978	require "cf/$_.pm" for @EXTRA_MODULES;
2511		3979
2512	END { cf::emergency_save }	3980	END { cf::emergency_save }
2513		3981
2514	1	3982	1
2515		3983

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