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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 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;
28		65
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	66	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		70
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	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" };
33		79
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
		84
		85	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
39		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	92	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
42		95
43	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
44	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
45	our $NEXT_TICK;	114	our $NEXT_TICK;
46	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);
47		123
48	our %CFG;	124	our %CFG;
49		125
50	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
52		129
53	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	133
57	our %EXT_CORO; # coroutines bound to extensions	134	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $REALLY_UNLOOP; # never set to true, please :)
58		146
59	binmode STDOUT;	147	binmode STDOUT;
60	binmode STDERR;	148	binmode STDERR;
61		149
62	# read virtual server time, if available	150	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
67	}	155	}
68		156
69	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		158
75	# a special map that is always available	159	mkdir $_
76	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
77	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	}
78		173
79	#############################################################################	174	#############################################################################
80		175
81	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
82		177
…		…
89	=item $cf::RUNTIME	184	=item $cf::RUNTIME
90		185
91	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
92	every server tick.	187	every server tick.
93		188
94	=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
95		192
96	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		197
99	=item $cf::NOW	198	=item $cf::NOW
100		199
101	The time of the last (current) server tick.	200	The time of the last (current) server tick.
102		201
103	=item $cf::TICK	202	=item $cf::TICK
104		203
105	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	216	=item %cf::CFG
108		217
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	219	from wherever your confdir points to.
111		220
		221	=item cf::wait_for_tick, cf::wait_for_tick_begin
		222
		223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		224	returns directly I<after> the tick processing (and consequently, can only wake one process
		225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
		238
112	=back	239	=back
113		240
114	=cut	241	=cut
115		242
116	BEGIN {	243	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	244	my $msg = join "", @_;
119	utf8::encode $msg;
120		245
121	$msg .= "\n"	246	$msg .= "\n"
122	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
123		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
124	LOG llevError, $msg;	251	LOG llevError, $msg;
125	};	252	};
126	}	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	};
127		267
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		275
135	# 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
136	# within the Safe compartment.	277	# within the Safe compartment.
137	for my $pkg (qw(	278	for my $pkg (qw(
138	cf::global cf::attachable	279	cf::global cf::attachable
139	cf::object cf::object::player	280	cf::object cf::object::player
140	cf::client cf::player	281	cf::client cf::player
141	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
142	cf::map cf::party cf::region	284	cf::party cf::region
143	)) {	285	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	287	}
147		288
148	$Event::DIED = sub {	289	$EV::DIED = sub {
149	warn "error in event callback: @_";	290	warn "error in event callback: @_";
150	};	291	};
151		292
152	my %ext_pkg;	293	#############################################################################
153	my @exts;
154	my @hook;
155		294
156	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
157		296
158	=over 4	297	=over 4
159		298
…		…
178	$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;
179	$d	318	$d
180	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
181	}	320	}
182		321
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
186		323
187	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
188		325
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
197		327
198	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
199		329
200	=cut	330	=cut
201		331
202	sub to_json($) {	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	333
204	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;
205	}	349	}
206		350
207	=item cf::lock_wait $string	351	=item cf::lock_wait $string
208		352
209	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
210		354
211	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
212		356
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
216	returned.	360	returned.
217		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
218	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
219	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
220		367
221	=cut	368	=item $locked = cf::lock_active $string
222		369
223	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
224		375
225	sub lock_wait($) {	376	sub lock_wait($) {
226	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	378	}
234		379
235	sub lock_acquire($) {	380	sub lock_acquire($) {
236	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
237		383
238	# wait, to be sure we are not locked	384	sub lock_active($) {
239	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	386	}
248		387
249	sub freeze_mainloop {	388	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
251		390
252	my $guard = Coro::guard { $TICK_WATCHER->start };	391	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	392	}
254	$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	$sig->wait;
255	}	467	}
256		468
257	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
258		470
259	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		476
265	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
266		478
267	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
268		480
269	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
272		485
273	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
276	fast or be very important.	489	fast or be very important.
…		…
279		492
280	sub sync_job(&) {	493	sub sync_job(&) {
281	my ($job) = @_;	494	my ($job) = @_;
282		495
283	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
284	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
286		501
287	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	503
289	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
290		505
291	my $busy = 1;	506	my $busy = 1;
292	my @res;	507	my @res;
293		508
294	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	511	@res = eval { $job->() };
296	warn $@ if $@;	512	warn $@ if $@;
297	undef $busy;	513	undef $busy;
298	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
299		515
300	while ($busy) {	516	while ($busy) {
301	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
302	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
303		527
304	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
305	} else {	529	} else {
306	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
307		531
…		…
309	}	533	}
310	}	534	}
311		535
312	=item $coro = cf::async_ext { BLOCK }	536	=item $coro = cf::async_ext { BLOCK }
313		537
314	Like async, but this coro is automcatially being canceled when the	538	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	539	extension calling this is being unloaded.
316		540
317	=cut	541	=cut
318		542
319	sub async_ext(&) {	543	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
328		552
329	$coro	553	$coro
330	}	554	}
331		555
332	sub write_runtime {	556	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		557
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	558	Executes the given code block with the given arguments in a seperate
336	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.
337		562
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	563	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		564
342	aio_fsync $fh	565	sub fork_call(&@) {
343	and return;	566	my ($cb, @args) = @_;
344		567
345	close $fh	568	# we seemingly have to make a local copy of the whole thing,
346	or return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
347		571
348	aio_rename "$runtime~", $runtime	572	my @res = Coro::Util::fork_eval {
349	and return;	573	reset_signals;
		574	&$cb
		575	}, @args;
350		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($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
351	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		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 });
352	}	743	}
353		744
354	=back	745	=back
355		746
356	=cut	747	=cut
357		748
358	#############################################################################	749	#############################################################################
359		750
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
483		752
484	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
485	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")
486	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
487		756
488	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>
489	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
490	crossfire+).	759	Deliantra).
491		760
492	=over 4	761	=over 4
493		762
494	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
495		764
…		…
539	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
540		809
541	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
543		812
544	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
545	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.
546		815
547	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
548		817
549	=over 4	818	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	878	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	879	our @CB_MAP = ();
611		880
612	my %attachment;	881	my %attachment;
613		882
		883	sub cf::attachable::thawer_merge {
		884	# simply override everything except _meta
		885	local $_[0]{_meta};
		886	%{$_[0]} = %{$_[1]};
		887	}
		888
614	sub _attach_cb($$$$) {	889	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	890	my ($registry, $event, $prio, $cb) = @_;
616		891
617	use sort 'stable';	892	use sort 'stable';
618		893
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
653		928
654	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		933
659	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	935	my $pkg = shift @arg;
661		936
662	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
692	}	967	}
693		968
694	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
695	} else {	970	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	972	}
698		973
699	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
700	}	975	}
701		976
…		…
703	if (ref $_[0]) {	978	if (ref $_[0]) {
704	_object_attach @_;	979	_object_attach @_;
705	} else {	980	} else {
706	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
707	}	982	}
		983	_recalc_want;
708	};	984	};
709		985
710	# all those should be optimised	986	# all those should be optimised
711	sub cf::attachable::detach {	987	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
716	reattach ($obj);	992	reattach ($obj);
717	} else {	993	} else {
718	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
719	}	995	}
		996	_recalc_want;
720	};	997	};
721		998
722	sub cf::attachable::attached {	999	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
724		1001
…		…
739	";	1016	";
740	die if $@;	1017	die if $@;
741	}	1018	}
742		1019
743	our $override;	1020	our $override;
744	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?
745		1022
746	sub override {	1023	sub override {
747	$override = 1;	1024	$override = 1;
748	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
749	}	1026	}
750		1027
751	sub do_invoke {	1028	sub do_invoke {
752	my $event = shift;	1029	my $event = shift;
753	my $callbacks = shift;	1030	my $callbacks = shift;
754		1031
755	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
756		1033
757	local $override;	1034	local $override;
758		1035
759	for (@$callbacks) {	1036	for (@$callbacks) {
760	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
769	}	1046	}
770		1047
771	0	1048	0
772	}	1049	}
773		1050
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1052
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1054
778	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
779		1056
780	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
781	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
782	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1060
784	=back	1061	=back
785		1062
786	=cut	1063	=cut
787		1064
788	#############################################################################	1065	#############################################################################
789	# 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	}
790		1109
791	sub reattach {	1110	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
793	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
794		1116
795	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
796		1118
797	@$registry = ();	1119	@$registry = ();
798		1120
…		…
813	cf::attachable->attach (	1135	cf::attachable->attach (
814	prio => -1000000,	1136	prio => -1000000,
815	on_instantiate => sub {	1137	on_instantiate => sub {
816	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
817		1139
818	$data = from_json $data;	1140	$data = decode_json $data;
819		1141
820	for (@$data) {	1142	for (@$data) {
821	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
822		1144
823	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1161	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
841		1163
842	sync_job {	1164	sync_job {
843	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
846		1169
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$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;
850	aio_fsync $fh;	1175	aio_fsync $fh;
		1176	}
851	close $fh;	1177	aio_close $fh;
852		1178
853	if (@$objs) {	1179	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	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;
858	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
859	close $fh;	1188	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
861	}	1190	}
862	} else {	1191	} else {
863	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
864	}	1193	}
865		1194
866	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1199	} else {
868	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
869	}	1201	}
870	} else {	1202	} else {
871	aio_unlink $filename;	1203	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
873	}	1205	}
874	}	1206	};
875	}	1207	}
876		1208
877	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
879		1211
…		…
891	or return;	1223	or return;
892		1224
893	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
895	or return;	1227	or return;
		1228
896	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
897	}	1231	}
898		1232
		1233	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
901	return ($data, $av);	1237	($data, $av)
902	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
903		1245
904	#############################################################################	1246	#############################################################################
905	# command handling &c	1247	# command handling &c
906		1248
907	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1263	}
922		1264
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1266
925	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.
926		1272
927	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
928	called.	1274	called.
929		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
930	=cut	1287	=cut
931		1288
932	sub register_extcmd {	1289	sub register_extcmd {
933	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
934		1291
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1292	$EXTCMD{$name} = $cb;
939	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
940		1302
941	cf::player->attach (	1303	cf::player->attach (
942	on_command => sub {	1304	on_command => sub {
943	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
944		1306
…		…
952	cf::override;	1314	cf::override;
953	},	1315	},
954	on_extcmd => sub {	1316	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
956		1318
957	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1320
959	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
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
965	} else {	1336	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1338	}
968		1339
969	cf::override;	1340	cf::override;
970	},	1341	},
971	);	1342	);
972		1343
973	sub register {	1344	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1345	sub cache_extensions {
980	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
981		1347
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1351	}
1032	}	1352	};
1033		1353
1034	# remove extcmds	1354	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1355	}
1048		1356
1049	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
1050	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1362	next unless -r $path;
1052	eval {	1363
1053	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;
1054	1	1420	}
1055	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
1056	}	1426	};
1057	}	1427	}
1058		1428
1059	#############################################################################	1429	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1430
1062	*cf::mapsupport::on_clean = sub {	1431	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1432
1097	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1098		1434
1099	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1100		1436
1101	=cut	1437	=cut
1102		1438
1103	package cf::player;	1439	package cf::player;
1104		1440
…		…
1106		1442
1107	=head3 cf::player	1443	=head3 cf::player
1108		1444
1109	=over 4	1445	=over 4
1110		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
1111	=item cf::player::find $login	1461	=item cf::player::find $login
1112		1462
1113	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1114		1464
1115	=cut	1465	=cut
1116		1466
1117	sub playerdir($) {	1467	sub playerdir($) {
1118	cf::localdir	1468	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1470	}
1124		1471
1125	sub path($) {	1472	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1474
1128	(playerdir $login) . "/$login.pl"	1475	(playerdir $login) . "/playerdata"
1129	}	1476	}
1130		1477
1131	sub find_active($) {	1478	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
1136		1483
1137	sub exists($) {	1484	sub exists($) {
1138	my ($login) = @_;	1485	my ($login) = @_;
1139		1486
1140	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1488	or !aio_stat path $login
1142	}	1489	}
1143		1490
1144	sub find($) {	1491	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1493	my $login = $_[0];
1147		1494
1148	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
1149		1496
1150	$cf::PLAYER{$_[0]} || do {	1497	$cf::PLAYER{$_[0]} || do {
1151	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
1152	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;
1153	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1154	}	1514	}
1155	}	1515	}
1156	}	1516	}
1157		1517
…		…
1166	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1167		1527
1168	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1170		1530
		1531	cf::get_slot 0.01;
		1532
1171	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1172	Coro::cede;	1534	cf::cede_to_tick;
1173	}	1535	}
1174		1536
1175	sub new($) {	1537	sub new($) {
1176	my ($login) = @_;	1538	my ($login) = @_;
1177		1539
…		…
1183	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1184		1546
1185	$self	1547	$self
1186	}	1548	}
1187		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
1188	=item $pl->quit_character	1560	=item $pl->quit_character
1189		1561
1190	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
1191	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1192		1564
1193	=cut	1565	=cut
1194		1566
1195	sub quit_character {	1567	sub quit_character {
1196	my ($pl) = @_;	1568	my ($pl) = @_;
1197		1569
		1570	my $name = $pl->ob->name;
		1571
1198	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1199	$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
1200		1574
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1205		1581
1206	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1584	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1585	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1608	}
1213		1609
1214	=item cf::player::list_logins	1610	=item cf::player::list_logins
1215		1611
1216	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
1217	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1218		1614
1219	=cut	1615	=cut
1220		1616
1221	sub list_logins {	1617	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1619	or return [];
1224		1620
1225	my @logins;	1621	my @logins;
1226		1622
1227	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") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1231		1633
1232	utf8::decode $login;	1634	utf8::decode $login;
1233	push @logins, $login;	1635	push @logins, $login;
1234	}	1636	}
1235		1637
1236	\@logins	1638	\@logins
1237	}	1639	}
1238		1640
1239	=item $player->maps	1641	=item $player->maps
1240		1642
1241	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
1242	player. May block.	1644	player. May block.
1243		1645
1244	=cut	1646	=cut
1245		1647
1246	sub maps($) {	1648	sub maps($) {
1247	my ($pl) = @_;	1649	my ($pl) = @_;
		1650
		1651	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1652
1249	my $files = aio_readdir playerdir $pl	1653	my $files = aio_readdir playerdir $pl
1250	or return;	1654	or return;
1251		1655
1252	my @paths;	1656	my @paths;
1253		1657
1254	for (@$files) {	1658	for (@$files) {
1255	utf8::decode $_;	1659	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1660	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1661	next unless /^$PATH_SEP/o;
1258		1662
1259	s/$PATH_SEP/\//g;	1663	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1664	}
1262		1665
1263	\@paths	1666	\@paths
1264	}	1667	}
1265		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1267		1674
1268	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1269		1676
1270	=cut	1677	=cut
1271		1678
1272	sub ext_reply($$$%) {	1679	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1274		1681
1275	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1683	}
1279		1684
1280	package cf;	1685	=item $player->ext_msg ($type, @msg)
		1686
		1687	Sends an ext event to the client.
		1688
		1689	=cut
		1690
		1691	sub ext_msg($$@) {
		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	}
1281		1725
1282	=back	1726	=back
1283
1284		1727
1285	=head3 cf::map	1728	=head3 cf::map
1286		1729
1287	=over 4	1730	=over 4
1288		1731
…		…
1291	package cf::map;	1734	package cf::map;
1292		1735
1293	use Fcntl;	1736	use Fcntl;
1294	use Coro::AIO;	1737	use Coro::AIO;
1295		1738
		1739	use overload
		1740	'""' => \&as_string,
		1741	fallback => 1;
		1742
1296	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1298		1745
1299	sub generate_random_map {	1746	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1750
1302	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1752	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1756	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1757	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1758	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1759	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1760	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1761	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1762	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1763	(cf::region::find $rmp->{region}), $rmp->{custom}
		1764	)
1316	}	1765	}
1317		1766
1318	# and all this just because we cannot iterate over	1767	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1768
1323	$_->change_map_light ($change)	1769	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1770	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1771	default).
1326		1772
1327	sub try_load_header($) {	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 {
1328	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) = @_;
1329		1912
1330	utf8::encode $path;	1913	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1332	or return;	1915	or return;
1333		1916
1334	my $map = cf::map::new	1917	$self->_load_header ($f)
1335	or return;	1918	or return;
1336		1919
1337	# for better error messages only, will be overwritten	1920	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1921	$f->resolve_delayed_derefs;
1339		1922
1340	$map->load_header ($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
1341	or return;	1966	or return;
		1967	$self->prepare_orig;
		1968	}
1342		1969
1343	$map->{load_path} = $path;	1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
1344		1972
1345	$map	1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
		1976	1
1346	}	1977	}
1347		1978
1348	sub find;	1979	sub find;
1349	sub find {	1980	sub find {
1350	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1351		1982
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1984
1357	cf::lock_wait "map_find:$key";	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1361		1987
1362	# do it the slow way	1988	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	1989	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1990	or return;
1381		1991
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1394		1993
1395	Coro::cede;	1994	$map->load_header
		1995	or return;
1396		1996
1397	if ($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;
1398	$map->reset;	2002	$map->reset;
1399	undef $guard;
1400	$map = find $path	2003	return find $path;
1401	or return;
1402	}	2004	}
1403		2005
1404	$cf::MAP{$key} = $map	2006	$cf::MAP{$path} = $map
1405	}	2007	}
1406	}	2008	}
		2009
		2010	sub pre_load { }
		2011	sub post_load { }
1407		2012
1408	sub load {	2013	sub load {
1409	my ($self) = @_;	2014	my ($self) = @_;
1410		2015
		2016	local $self->{deny_reset} = 1; # loading can take a long time
		2017
1411	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2021	my $guard = cf::lock_acquire "map_data:$path";
1413		2022
		2023	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2025
1416	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1417		2027
1418	$self->alloc;	2028	$self->alloc;
1419	$self->load_objects ($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)
1420	or return;	2036	or return;
1421		2037
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1423	if delete $self->{load_original};	2039	if delete $self->{load_original};
1424		2040
1425	if (my $uniq = $path->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2042	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2045	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1430	}	2049	}
1431	}	2050	}
1432		2051
1433	Coro::cede;	2052	$f->resolve_delayed_derefs;
1434		2053
		2054	cf::cede_to_tick;
1435	# now do the right thing for maps	2055	# now do the right thing for maps
1436	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1447	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;
1448	$self->activate;	2066	$self->activate;
1449	}	2067	}
1450		2068
1451	Coro::cede;	2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
1452		2071
1453	$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	$self
		2088	}
		2089
		2090	# find and load all maps in the 3x3 area around a map
		2091	sub load_neighbours {
		2092	my ($map) = @_;
		2093
		2094	my @neigh; # diagonal neighbours
		2095
		2096	for (0 .. 3) {
		2097	my $neigh = $map->tile_path ($_)
		2098	or next;
		2099	$neigh = find $neigh, $map
		2100	or next;
		2101	$neigh->load;
		2102
		2103	push @neigh,
		2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2106	}
		2107
		2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
		2110	my $neigh = find $path, $origin
		2111	or next;
		2112	$neigh->load;
		2113	}
1454	}	2114	}
1455		2115
1456	sub find_sync {	2116	sub find_sync {
1457	my ($path, $origin) = @_;	2117	my ($path, $origin) = @_;
1458		2118
1459	cf::sync_job { cf::map::find $path, $origin }	2119	cf::sync_job { find $path, $origin }
1460	}	2120	}
1461		2121
1462	sub do_load_sync {	2122	sub do_load_sync {
1463	my ($map) = @_;	2123	my ($map) = @_;
1464		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1465	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
		2129	}
		2130
		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
		2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
		2148	while (%MAP_PREFETCH) {
		2149	while (my ($k, $v) = each %MAP_PREFETCH) {
		2150	if (my $map = find $k) {
		2151	$map->load if $v;
		2152	}
		2153
		2154	delete $MAP_PREFETCH{$k};
		2155	}
		2156	}
		2157	undef $MAP_PREFETCHER;
		2158	};
		2159	$MAP_PREFETCHER->prio (6);
		2160
		2161	()
1466	}	2162	}
1467		2163
1468	sub save {	2164	sub save {
1469	my ($self) = @_;	2165	my ($self) = @_;
1470		2166
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2168
1473	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1474		2170
1475	return unless $self->dirty;	2171	return unless $self->dirty;
1476		2172
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2173	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2174	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2175
1480	$self->{load_path} = $save;	2176	$self->{load_path} = $save;
1481		2177
1482	return if $self->{deny_save};	2178	return if $self->{deny_save};
1483		2179
1484	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1485		2181
1486	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1487	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1488	};	2185	};
1489		2186
		2187	cf::get_slot 0.02;
		2188
1490	if ($uniq) {	2189	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2192	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2194	}
1496	}	2195	}
1497		2196
1498	sub swap_out {	2197	sub swap_out {
1499	my ($self) = @_;	2198	my ($self) = @_;
1500		2199
1501	# save first because save cedes	2200	# save first because save cedes
1502	$self->save;	2201	$self->save;
1503		2202
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2204
1506	return if $self->players;	2205	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1508	return if $self->{deny_save};	2207	return if $self->{deny_save};
1509		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2213	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2214	}
1513		2215
1514	sub reset_at {	2216	sub reset_at {
1515	my ($self) = @_;	2217	my ($self) = @_;
1516		2218
1517	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1520		2221
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2224
…		…
1528	my ($self) = @_;	2229	my ($self) = @_;
1529		2230
1530	$self->reset_at <= $cf::RUNTIME	2231	$self->reset_at <= $cf::RUNTIME
1531	}	2232	}
1532		2233
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2234	sub reset {
1555	my ($self) = @_;	2235	my ($self) = @_;
1556		2236
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2238
1559	return if $self->players;	2239	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2240
1562	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	}
1563		2252
1564	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1565		2254
		2255	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2256	$_->clear_links_to ($self) for values %cf::MAP;
		2257	$self->clear;
1567		2258
1568	$self->unlink_save;	2259	$self->unlink_save;
1569	$self->destroy;	2260	$self->destroy;
1570	}	2261	}
1571		2262
1572	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1573		2264
1574	sub nuke {	2265	sub nuke {
1575	my ($self) = @_;	2266	my ($self) = @_;
1576		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};
1577	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2280
		2281	$cf::MAP{$self->path} = $self;
		2282	}
		2283
1580	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
1581	}	2285	}
1582		2286
1583	sub customise_for {	2287	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2288
1586	if ($map->per_player) {	2289	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
1588	}	2295	[
1589		2296	map {
1590	$map	2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
1591	}	2303	}
1592		2304
1593	sub emergency_save {	2305	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2306
1596	warn "enter emergency perl save\n";	2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
1597		2309
1598	cf::sync_job {	2310	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2311
1603	warn "begin emergency map save\n";	2312	sub random_maps() {
1604	$_->save for values %cf::MAP;	2313	[
1605	warn "end emergency map save\n";	2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
		2321	}
		2322
		2323	=item cf::map::unique_maps
		2324
		2325	Returns an arrayref of paths of all shared maps that have
		2326	instantiated unique items. May block.
		2327
		2328	=cut
		2329
		2330	sub unique_maps() {
		2331	[
		2332	map {
		2333	utf8::decode $_;
		2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
		2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
		2339	]
		2340	}
		2341
		2342	=back
		2343
		2344	=head3 cf::object
		2345
		2346	=cut
		2347
		2348	package cf::object;
		2349
		2350	=over 4
		2351
		2352	=item $ob->inv_recursive
		2353
		2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
		2356
		2357	=cut
		2358
		2359	sub inv_recursive_;
		2360	sub inv_recursive_ {
		2361	map { $_, inv_recursive_ $_->inv } @_
		2362	}
		2363
		2364	sub inv_recursive {
		2365	inv_recursive_ inv $_[0]
		2366	}
		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
1606	};	2393	}
1607
1608	warn "leave emergency perl save\n";
1609	}	2394	}
1610		2395
1611	package cf;	2396	package cf;
1612		2397
1613	=back	2398	=back
1614
1615		2399
1616	=head3 cf::object::player	2400	=head3 cf::object::player
1617		2401
1618	=over 4	2402	=over 4
1619		2403
…		…
1622	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>
1623	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
1624	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1625		2409
1626	=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	};
1627		2425
1628	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2427	# with dialog boxes.
1630	#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
1631	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1633		2431
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2433
1636	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1641	}	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 (@_);
1642	}	2459	}
1643		2460
1644	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1645		2462
1646	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1659		2476
1660	=item $player_object->enter_link	2477	=item $player_object->enter_link
1661		2478
1662	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}>).
1663		2480
1664	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.
1665	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.
1666		2487
1667	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1668		2489
1669	Moves the player out of the specila link map onto the given map. If the	2490	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2491	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2492	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2493	fails, to the emergency map position.
1673		2494
1674	Might block.	2495	Might block.
1675		2496
1676	=cut	2497	=cut
		2498
		2499	sub link_map {
		2500	unless ($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	$LINK_MAP
		2507	}
1677		2508
1678	sub cf::object::player::enter_link {	2509	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2510	my ($self) = @_;
1680		2511
1681	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1682		2513
1683	return if $self->map == $LINK_MAP;	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2515
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1687		2518
1688	$self->enter_map ($LINK_MAP, 20, 20);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2520	}
1690		2521
1691	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1693		2526
1694	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1695		2528
1696	unless ($map) {	2529	unless ($map) {
1697	# restore original map position	2530	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1714		2547
1715	$map->load;	2548	$map->load;
		2549	$map->load_neighbours;
1716		2550
1717	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
1718	$self->activate_recursive;	2557	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2558	}
1721		2559
1722	cf::player->attach (	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2561
1726	# abort map switching before logout	2562	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2563	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2565	the new (success) or old (failed) map position. In either case, $done will
1730	};	2566	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2567
1736	# try to abort aborted map switching on player login :)	2568	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2569	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2570
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1757		2574
1758	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2577
1761	$path = new cf::path $path;	2578	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2580
1764	$self->enter_link;	2581	$self->enter_link;
1765		2582
1766	(async {	2583	(async {
1767	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) {
1768	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
1769		2610	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2611	} else {
1771	# if $map;
1772
1773	$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	}
1774		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};
1775	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1776	})->prio (1);	2629	})->prio (1);
1777	}	2630	}
1778		2631
1779	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1780		2633
…		…
1782		2635
1783	sub parse_random_map_params {	2636	sub parse_random_map_params {
1784	my ($spec) = @_;	2637	my ($spec) = @_;
1785		2638
1786	my $rmp = { # defaults	2639	my $rmp = { # defaults
1787	xsize => 10,	2640	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2641	ysize => (cf::rndm 15, 40),
		2642	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2643	#layout => string,
1789	};	2644	};
1790		2645
1791	for (split /\n/, $spec) {	2646	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2647	my ($k, $v) = split /\s+/, $_, 2;
1793		2648
…		…
1805	# that depends on the exit object	2660	# that depends on the exit object
1806		2661
1807	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
1808		2663
1809	if ($exit->map) {	2664	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2665	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1814	}	2671	}
1815		2672
1816	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1817		2674
1818	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
		2677	my $meta = "$RANDOMDIR/$md5.meta";
1820		2678
1821	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) {
1822	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;
1823		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1826	}	2690	}
1827	}	2691	}
1828		2692
1829	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1833		2697
1834	$self->enter_link;	2698	$self->enter_link;
1835		2699
1836	(async {	2700	(async {
1837	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1838	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
1839	prepare_random_map $exit	2710	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2711	if $exit->slaying eq "/!";
		2712	}
1841		2713
1842	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;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
1844		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
1845	1;	2724	1
1846	}) {	2725	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "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. "
1849	. "Please report this to the dungeon master",	2728	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2730
1852	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2732	$self->leave_link;
1854	}	2733	}
1855	})->prio (1);	2734	})->prio (1);
…		…
1868		2747
1869	sub cf::client::send_drawinfo {	2748	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2749	my ($self, $text, $flags) = @_;
1871		2750
1872	utf8::encode $text;	2751	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2753	}
1875		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	}
1876		2949
1877	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
1878		2951
1879	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
1880	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>,
1881	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>.
1882		2955
1883	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
1884	reliable at some point in the future.	2957	become reliable at some point in the future.
1885		2958
1886	=cut	2959	=cut
1887		2960
1888	sub cf::client::query {	2961	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2970	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2972
1900	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
1902	}	2977	}
1903		2978
1904	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
1905	on_reply => sub {	2985	on_reply => sub {
1906	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
1907		2987
1908	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
1909	# get handled first	2989	# get handled first
1910	my $queue = delete $ns->{query_queue}	2990	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2991	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2992
1913	(shift @$queue)->[1]->($msg);	2993	(shift @$queue)->[1]->($msg);
		2994	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2995
1915	push @{ $ns->{query_queue} }, @$queue;	2996	push @{ $ns->{query_queue} }, @$queue;
1916		2997
1917	if (@{ $ns->{query_queue} } == @$queue) {	2998	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2999	if (@$queue) {
…		…
1920	} else {	3001	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3003	}
1923	}	3004	}
1924	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($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	},
1925	);	3032	);
1926		3033
1927	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
1928		3035
1929	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
1972		3079
1973	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
1974		3081
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
1976		3087
1977	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
1978		3089
1979	=pod	3090	=pod
1980		3091
1981	The following fucntions and emthods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
1982		3093
1983	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
1984	cf::object::player player	3099	cf::object::player
1985	cf::player peaceful	3100	player
1986	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
1987		3107
1988	=cut	3108	=cut
1989		3109
1990	for (	3110	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
1995	) {	3117	) {
1996	no strict 'refs';	3118	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2015	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2016		3138
2017	my $qcode = $code;	3139	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2020		3144
2021	local $_;	3145	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2023		3147
2024	my $eval =	3148	my $eval =
…		…
2067	=back	3191	=back
2068		3192
2069	=cut	3193	=cut
2070		3194
2071	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2072		3197
2073	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2074		3200
2075	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2077	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3204
2079	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3206
2082	=over 4	3207	warn "loading facedata from $path\n";
2083		3208
2084	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2085		3212
2086	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3214
2090	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3217
2092	Returns a single value from the database	3218	# patch in the exptable
2093		3219	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2095		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3222	};
		3223	cf::cede_to_tick;
2145		3224
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2150		3227
2151	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3230
2157	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2160	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3235
2166	cf::global->attach (	3236	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3237	}
2171	);
2172	}
2173		3238
2174	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3240	next unless $info->{smooth};
2176		3241
2177	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 {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3385	or return;
2180		3386
2181	local $/;	3387	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2183		3389
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3391
2186	$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};
2187	$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};
…		…
2193	};	3399	};
2194	warn $@ if $@;	3400	warn $@ if $@;
2195	}	3401	}
2196	}	3402	}
2197		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
2198	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
2199	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2201	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#
2202	async { Event::one_event };	3450	(async {
		3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
		3453	})->prio (Coro::PRIO_MAX);
2203	};	3454	};
2204		3455
2205	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
2206	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
2207	load_extensions;	3474	load_extensions;
2208	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;
2209	}	3486	}
2210		3487
2211	#############################################################################	3488	#############################################################################
2212	# initialisation	3489	# initialisation and cleanup
2213		3490
		3491	# install some emergency cleanup handlers
		3492	BEGIN {
		3493	our %SIGWATCHER = ();
		3494	for my $signal (qw(INT HUP TERM)) {
		3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3496	cf::cleanup "SIG$signal";
		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
		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 };
		3585	}
		3586
		3587	sub emergency_save() {
		3588	my $freeze_guard = cf::freeze_mainloop;
		3589
		3590	warn "emergency_perl_save: enter\n";
		3591
		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
		3598	# use a peculiar iteration method to avoid tripping on perl
		3599	# refcount bugs in for. also avoids problems with players
		3600	# and maps saved/destroyed asynchronously.
		3601	warn "emergency_perl_save: begin player save\n";
		3602	for my $login (keys %cf::PLAYER) {
		3603	my $pl = $cf::PLAYER{$login} or next;
		3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3606	$pl->save;
		3607	}
		3608	warn "emergency_perl_save: end player save\n";
		3609
		3610	warn "emergency_perl_save: begin map save\n";
		3611	for my $path (keys %cf::MAP) {
		3612	my $map = $cf::MAP{$path} or next;
		3613	$map->valid or next;
		3614	$map->save;
		3615	}
		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";
		3625	};
		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
		3632	warn "emergency_perl_save: leave\n";
		3633	}
		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 $pkg\n";#d#
		3669	}
		3670
2214	sub reload() {	3671	sub do_reload_perl() {
2215	# can/must only be called in main	3672	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3674	warn "can only reload from main coroutine";
2218	return;	3675	return;
2219	}	3676	}
2220		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2221	warn "reloading...";	3683	warn "reloading...";
2222		3684
2223	my $guard = freeze_mainloop;	3685	warn "entering sync_job";
		3686
		3687	cf::sync_job {
		3688	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3689	cf::emergency_save;
		3690	cf::write_runtime_sync; # external watchdog should not bark
2225		3691
2226	eval {	3692	warn "syncing database to disk";
		3693	BDB::db_env_txn_checkpoint $DB_ENV;
		3694
2227	# 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
2228		3696
2229	# cancel all watchers	3697	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3700	}
2257		3701
2258	Symbol::delete_package $k;	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) {
		3715	warn "... unloading $pkg";
		3716
		3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
		3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2259	}	3726	}
2260		3727
2261	# sync database to disk	3728	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3729	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		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 $k;
		3743	}
		3744
2265	# get rid of safe::, as good as possible	3745	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2267	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);
2268		3748
2269	# remove register_script_function callbacks	3749	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3752
2275	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3754	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2278		3756
2279	# reload cf.pm	3757	warn "unload completed, starting to reload now";
		3758
2280	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2281	require cf;	3760	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3762
2284	# load config and database again	3763	warn "loading config and database again";
2285	cf::cfg_load;	3764	cf::reload_config;
2286	cf::db_load;
2287		3765
2288	# load extensions
2289	warn "load extensions";	3766	warn "loading extensions";
2290	cf::load_extensions;	3767	cf::load_extensions;
2291		3768
2292	# reattach attachments to objects	3769	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3770	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3771	_global_reattach; # objects, sockets
		3772	warn "reattaching attachments to maps";
2295	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 $RELOAD_WATCHER;
		3809	};
2296	};	3810	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3811	}
2349
2350	register "<global>", __PACKAGE__;
2351		3812
2352	register_command "reload" => sub {	3813	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2354		3815
2355	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
		3820	reload_perl;
		3821	};
2359	}	3822	}
2360	};	3823	};
2361		3824
2362	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2363		3826
2364	$TICK_WATCHER = Event->timer (	3827	my $bug_warning = 0;
2365	reentrant => 0,	3828
2366	prio => 0,	3829	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3830	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3831
2369	cb => sub {	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
2370	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3856
2374	# if we are delayed by four ticks or more, skip them all	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2376		3859	Coro::async_pool {
2377	$TICK_WATCHER->at ($NEXT_TICK);	3860	$Coro::current->{desc} = "runtime saver";
2378	$TICK_WATCHER->start;
2379	},
2380	);
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3861	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3863	};
2401	},	3864	}
2402	);	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;
2403		3979
2404	END { cf::emergency_save }	3980	END { cf::emergency_save }
2405		3981
2406	1	3982	1
2407		3983

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