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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 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 ();
		55	use Data::Dumper;
20	use Digest::MD5;	56	use Digest::MD5;
21	use Fcntl;	57	use Fcntl;
		58	use YAML ();
22	use IO::AIO 2.31 ();	59	use IO::AIO ();
23	use YAML::Syck ();
24	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
25		63
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
27		65
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	66	# configure various modules to our taste
29	$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
30		70
31	$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" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		81
35	our %COMMAND = ();	82	our %COMMAND = ();
36	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
		84
		85	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
38		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	92	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
41		95
42	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
43	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
44	our $NEXT_TICK;	114	our $NEXT_TICK;
45	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);
46		123
47	our %CFG;	124	our %CFG;
48		125
49	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
51		129
52	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	133
56	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 $REALLY_UNLOOP; # never set to true, please :)
57		146
58	binmode STDOUT;	147	binmode STDOUT;
59	binmode STDERR;	148	binmode STDERR;
60		149
61	# read virtual server time, if available	150	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
66	}	155	}
67		156
68	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		158
74	# a special map that is always available	159	mkdir $_
75	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
76	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	}
77		173
78	#############################################################################	174	#############################################################################
79		175
80	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
81		177
…		…
88	=item $cf::RUNTIME	184	=item $cf::RUNTIME
89		185
90	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
91	every server tick.	187	every server tick.
92		188
93	=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
94		192
95	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		197
98	=item $cf::NOW	198	=item $cf::NOW
99		199
100	The time of the last (current) server tick.	200	The time of the last (current) server tick.
101		201
102	=item $cf::TICK	202	=item $cf::TICK
103		203
104	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
105		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
106	=item %cf::CFG	216	=item %cf::CFG
107		217
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	219	from wherever your confdir points to.
110		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
111	=back	239	=back
112		240
113	=cut	241	=cut
114		242
115	BEGIN {	243	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	244	my $msg = join "", @_;
118	utf8::encode $msg;
119		245
120	$msg .= "\n"	246	$msg .= "\n"
121	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
122		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
123	LOG llevError, "cfperl: $msg";	251	LOG llevError, $msg;
124	};	252	};
125	}	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	};
126		267
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		275
134	# 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
135	# within the Safe compartment.	277	# within the Safe compartment.
136	for my $pkg (qw(	278	for my $pkg (qw(
137	cf::global cf::attachable	279	cf::global cf::attachable
138	cf::object cf::object::player	280	cf::object cf::object::player
139	cf::client cf::player	281	cf::client cf::player
140	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
141	cf::map cf::party cf::region	284	cf::party cf::region
142	)) {	285	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	287	}
146		288
147	$Event::DIED = sub {	289	$EV::DIED = sub {
148	warn "error in event callback: @_";	290	warn "error in event callback: @_";
149	};	291	};
150		292
151	my %ext_pkg;	293	#############################################################################
152	my @exts;
153	my @hook;
154		294
155	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
156		296
157	=over 4	297	=over 4
158		298
159	=cut	299	=item dumpval $ref
160		300
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	301	=cut
162		302
		303	sub dumpval {
		304	eval {
		305	local $SIG{__DIE__};
		306	my $d;
		307	if (1) {
		308	$d = new Data::Dumper([$_[0]], ["*var"]);
		309	$d->Terse(1);
		310	$d->Indent(2);
		311	$d->Quotekeys(0);
		312	$d->Useqq(1);
		313	#$d->Bless(...);
		314	$d->Seen($_[1]) if @_ > 1;
		315	$d = $d->Dump();
		316	}
		317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		318	$d
		319	} || "[unable to dump $_[0]: '$@']";
		320	}
		321
163	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
164		323
165	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
166		325
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
175		327
176	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
177		329
178	=cut	330	=cut
179		331
180	sub to_json($) {	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	333
182	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;
183	}	349	}
184		350
185	=item cf::lock_wait $string	351	=item cf::lock_wait $string
186		352
187	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
188		354
189	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
190		356
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
194	returned.	360	returned.
195		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
196	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
197	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
198		367
199	=cut	368	=item $locked = cf::lock_active $string
200		369
201	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
202		375
203	sub lock_wait($) {	376	sub lock_wait($) {
204	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	378	}
212		379
213	sub lock_acquire($) {	380	sub lock_acquire($) {
214	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
215		383
216	# wait, to be sure we are not locked	384	sub lock_active($) {
217	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	386	}
226		387
227	sub freeze_mainloop {	388	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
229		390
230	my $guard = Coro::guard { $TICK_WATCHER->start };	391	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	392	}
232	$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	$sig->wait;
233	}	467	}
234		468
235	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
236		470
237	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		476
243	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
244		478
245	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
246		480
247	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
250		485
251	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
254	fast or be very important.	489	fast or be very important.
…		…
257		492
258	sub sync_job(&) {	493	sub sync_job(&) {
259	my ($job) = @_;	494	my ($job) = @_;
260		495
261	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
262	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
264		501
265	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	503
267	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
268		505
269	my $busy = 1;	506	my $busy = 1;
270	my @res;	507	my @res;
271		508
272	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	511	@res = eval { $job->() };
274	warn $@ if $@;	512	warn $@ if $@;
275	undef $busy;	513	undef $busy;
276	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
277		515
278	while ($busy) {	516	while ($busy) {
279	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
280	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
281		527
282	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
283	} else {	529	} else {
284	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
285		531
…		…
287	}	533	}
288	}	534	}
289		535
290	=item $coro = cf::async_ext { BLOCK }	536	=item $coro = cf::async_ext { BLOCK }
291		537
292	Like async, but this coro is automcatially being canceled when the	538	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	539	extension calling this is being unloaded.
294		540
295	=cut	541	=cut
296		542
297	sub async_ext(&) {	543	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
306		552
307	$coro	553	$coro
308	}	554	}
309		555
310	sub write_runtime {	556	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		557
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	558	Executes the given code block with the given arguments in a seperate
314	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.
315		562
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	563	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		564
320	aio_fsync $fh	565	sub fork_call(&@) {
321	and return;	566	my ($cb, @args) = @_;
322		567
323	close $fh	568	# we seemingly have to make a local copy of the whole thing,
324	or return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
325		571
326	aio_rename "$runtime~", $runtime	572	my @res = Coro::Util::fork_eval {
327	and return;	573	reset_signals;
		574	&$cb
		575	}, @args;
328		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($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
329	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		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 => $type });
330	}	743	}
331		744
332	=back	745	=back
333		746
334	=cut	747	=cut
335		748
336	#############################################################################	749	#############################################################################
337		750
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
459		752
460	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
461	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")
462	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
463		756
464	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>
465	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
466	crossfire+).	759	Deliantra).
467		760
468	=over 4	761	=over 4
469		762
470	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
471		764
…		…
515	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
516		809
517	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
519		812
520	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
521	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.
522		815
523	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
524		817
525	=over 4	818	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	878	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	879	our @CB_MAP = ();
587		880
588	my %attachment;	881	my %attachment;
589		882
		883	sub cf::attachable::thawer_merge {
		884	# simply override everything except _meta
		885	local $_[0]{_meta};
		886	%{$_[0]} = %{$_[1]};
		887	}
		888
590	sub _attach_cb($$$$) {	889	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	890	my ($registry, $event, $prio, $cb) = @_;
592		891
593	use sort 'stable';	892	use sort 'stable';
594		893
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
629		928
630	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		933
635	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	935	my $pkg = shift @arg;
637		936
638	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
668	}	967	}
669		968
670	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
671	} else {	970	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	972	}
674		973
675	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
676	}	975	}
677		976
…		…
679	if (ref $_[0]) {	978	if (ref $_[0]) {
680	_object_attach @_;	979	_object_attach @_;
681	} else {	980	} else {
682	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
683	}	982	}
		983	_recalc_want;
684	};	984	};
685		985
686	# all those should be optimised	986	# all those should be optimised
687	sub cf::attachable::detach {	987	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
692	reattach ($obj);	992	reattach ($obj);
693	} else {	993	} else {
694	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
695	}	995	}
		996	_recalc_want;
696	};	997	};
697		998
698	sub cf::attachable::attached {	999	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
700		1001
…		…
715	";	1016	";
716	die if $@;	1017	die if $@;
717	}	1018	}
718		1019
719	our $override;	1020	our $override;
720	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?
721		1022
722	sub override {	1023	sub override {
723	$override = 1;	1024	$override = 1;
724	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
725	}	1026	}
726		1027
727	sub do_invoke {	1028	sub do_invoke {
728	my $event = shift;	1029	my $event = shift;
729	my $callbacks = shift;	1030	my $callbacks = shift;
730		1031
731	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
732		1033
733	local $override;	1034	local $override;
734		1035
735	for (@$callbacks) {	1036	for (@$callbacks) {
736	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
745	}	1046	}
746		1047
747	0	1048	0
748	}	1049	}
749		1050
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1052
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1054
754	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
755		1056
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1060
760	=back	1061	=back
761		1062
762	=cut	1063	=cut
763		1064
764	#############################################################################	1065	#############################################################################
765	# 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	}
766		1109
767	sub reattach {	1110	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
769	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
770		1116
771	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
772		1118
773	@$registry = ();	1119	@$registry = ();
774		1120
…		…
789	cf::attachable->attach (	1135	cf::attachable->attach (
790	prio => -1000000,	1136	prio => -1000000,
791	on_instantiate => sub {	1137	on_instantiate => sub {
792	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
793		1139
794	$data = from_json $data;	1140	$data = decode_json $data;
795		1141
796	for (@$data) {	1142	for (@$data) {
797	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
798		1144
799	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1161	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
817		1163
818	sync_job {	1164	sync_job {
819	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
822		1169
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$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;
826	aio_fsync $fh;	1175	aio_fsync $fh;
		1176	}
827	close $fh;	1177	aio_close $fh;
828		1178
829	if (@$objs) {	1179	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	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;
834	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
835	close $fh;	1188	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
837	}	1190	}
838	} else {	1191	} else {
839	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
840	}	1193	}
841		1194
842	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1199	} else {
844	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
845	}	1201	}
846	} else {	1202	} else {
847	aio_unlink $filename;	1203	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
849	}	1205	}
850	}	1206	};
851	}	1207	}
852		1208
853	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
855		1211
…		…
867	or return;	1223	or return;
868		1224
869	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
871	or return;	1227	or return;
		1228
872	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
873	}	1231	}
874		1232
		1233	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
877	return ($data, $av);	1237	($data, $av)
878	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
879		1245
880	#############################################################################	1246	#############################################################################
881	# command handling &c	1247	# command handling &c
882		1248
883	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1263	}
898		1264
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1266
901	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.
902		1272
903	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
904	called.	1274	called.
905		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
906	=cut	1287	=cut
907		1288
908	sub register_extcmd {	1289	sub register_extcmd {
909	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
910		1291
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1292	$EXTCMD{$name} = $cb;
915	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
916		1302
917	cf::player->attach (	1303	cf::player->attach (
918	on_command => sub {	1304	on_command => sub {
919	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
920		1306
…		…
928	cf::override;	1314	cf::override;
929	},	1315	},
930	on_extcmd => sub {	1316	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
932		1318
933	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1320
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
941	} else {	1336	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1338	}
944		1339
945	cf::override;	1340	cf::override;
946	},	1341	},
947	);	1342	);
948		1343
949	sub register {	1344	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1345	sub cache_extensions {
956	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
957		1347
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1351	}
1008	}	1352	};
1009		1353
1010	# remove extcmds	1354	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1355	}
1024		1356
1025	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
1026	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1362	next unless -r $path;
1028	eval {	1363
1029	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;
1030	1	1420	}
1031	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
1032	}	1426	};
1033	}	1427	}
1034		1428
1035	#############################################################################	1429	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1430
1038	*cf::mapsupport::on_clean = sub {	1431	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1432
1073	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1074		1434
1075	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1076		1436
1077	=cut	1437	=cut
1078		1438
1079	package cf::player;	1439	package cf::player;
1080		1440
		1441	use Coro::AIO;
		1442
1081	=head3 cf::player	1443	=head3 cf::player
1082		1444
1083	=over 4	1445	=over 4
1084		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
1085	=item cf::player::find $login	1461	=item cf::player::find $login
1086		1462
1087	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1088		1464
1089	=cut	1465	=cut
1090		1466
		1467	sub playerdir($) {
		1468	"$PLAYERDIR/"
		1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1470	}
		1471
1091	sub path($) {	1472	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1474
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1475	(playerdir $login) . "/playerdata"
1095	}	1476	}
1096		1477
1097	sub find_active($) {	1478	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
1102		1483
1103	sub exists($) {	1484	sub exists($) {
1104	my ($login) = @_;	1485	my ($login) = @_;
1105		1486
1106	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1488	or !aio_stat path $login
1108	}	1489	}
1109		1490
1110	sub find($) {	1491	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1493	my $login = $_[0];
1113		1494
1114	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
1115		1496
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1497	$cf::PLAYER{$_[0]} || do {
		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
		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;
		1513	$cf::PLAYER{$login} = $pl
		1514	}
1117	};	1515	}
1118	}	1516	}
1119		1517
1120	sub save($) {	1518	sub save($) {
1121	my ($pl) = @_;	1519	my ($pl) = @_;
1122		1520
…		…
1124		1522
1125	my $path = path $pl;	1523	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1524	my $guard = cf::lock_acquire "user_save:$path";
1127		1525
1128	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
		1527
		1528	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1130		1530
1131	Coro::cede;	1531	cf::get_slot 0.01;
		1532
1132	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1133	Coro::cede;	1534	cf::cede_to_tick;
1134	}	1535	}
1135		1536
1136	sub new($) {	1537	sub new($) {
1137	my ($login) = @_;	1538	my ($login) = @_;
1138		1539
…		…
1144	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1145		1546
1146	$self	1547	$self
1147	}	1548	}
1148		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
		1560	=item $pl->quit_character
		1561
		1562	Nukes the player without looking back. If logged in, the connection will
		1563	be destroyed. May block for a long time.
		1564
		1565	=cut
		1566
		1567	sub quit_character {
		1568	my ($pl) = @_;
		1569
		1570	my $name = $pl->ob->name;
		1571
		1572	$pl->{deny_save} = 1;
		1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1574
		1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
		1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1580	$pl->ns->destroy if $pl->ns;
		1581
		1582	my $path = playerdir $pl;
		1583	my $temp = "$path~$cf::RUNTIME~deleting~";
		1584	aio_rename $path, $temp;
		1585	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1608	}
		1609
		1610	=item cf::player::list_logins
		1611
		1612	Returns am arrayref of all valid playernames in the system, can take a
		1613	while and may block, so not sync_job-capable, ever.
		1614
		1615	=cut
		1616
		1617	sub list_logins {
		1618	my $dirs = aio_readdir $PLAYERDIR
		1619	or return [];
		1620
		1621	my @logins;
		1622
		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") {
		1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1630	aio_read $fh, 0, 512, my $buf, 0 or next;
		1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
		1633
		1634	utf8::decode $login;
		1635	push @logins, $login;
		1636	}
		1637
		1638	\@logins
		1639	}
		1640
		1641	=item $player->maps
		1642
		1643	Returns an arrayref of map paths that are private for this
		1644	player. May block.
		1645
		1646	=cut
		1647
		1648	sub maps($) {
		1649	my ($pl) = @_;
		1650
		1651	$pl = ref $pl ? $pl->ob->name : $pl;
		1652
		1653	my $files = aio_readdir playerdir $pl
		1654	or return;
		1655
		1656	my @paths;
		1657
		1658	for (@$files) {
		1659	utf8::decode $_;
		1660	next if /\.(?:pl|pst)$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise "~$pl/$_";
		1664	}
		1665
		1666	\@paths
		1667	}
		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1150		1674
1151	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1152		1676
1153	=cut	1677	=cut
1154		1678
1155	sub ext_reply($$$%) {	1679	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1157		1681
1158	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1683	}
1162		1684
1163	package cf;	1685	=item $player->ext_msg ($type, @msg)
		1686
		1687	Sends an ext event to the client.
		1688
		1689	=cut
		1690
		1691	sub ext_msg($$@) {
		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	}
1164		1725
1165	=back	1726	=back
1166
1167		1727
1168	=head3 cf::map	1728	=head3 cf::map
1169		1729
1170	=over 4	1730	=over 4
1171		1731
…		…
1174	package cf::map;	1734	package cf::map;
1175		1735
1176	use Fcntl;	1736	use Fcntl;
1177	use Coro::AIO;	1737	use Coro::AIO;
1178		1738
		1739	use overload
		1740	'""' => \&as_string,
		1741	fallback => 1;
		1742
1179	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1181		1745
1182	sub generate_random_map {	1746	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184		1750
1185	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1752	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1756	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1757	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1758	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1759	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1760	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1762	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1763	(cf::region::find $rmp->{region}), $rmp->{custom}
		1764	)
1199	}	1765	}
1200		1766
1201	# and all this just because we cannot iterate over	1767	=item cf::map->register ($regex, $prio)
1202	# all maps in C++...
1203	sub change_all_map_light {
1204	my ($change) = @_;
1205		1768
1206	$_->change_map_light ($change)	1769	Register a handler for the map path matching the given regex at the
1207	for grep $_->outdoor, values %cf::MAP;	1770	givne priority (higher is better, built-in handlers have priority 0, the
1208	}	1771	default).
1209		1772
1210	sub try_load_header($) {	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 {
1211	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) = @_;
1212		1912
1213	utf8::encode $path;	1913	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1215	or return;	1915	or return;
1216		1916
1217	my $map = cf::map::new	1917	$self->_load_header ($f)
1218	or return;	1918	or return;
1219		1919
1220	# for better error messages only, will be overwritten	1920	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1921	$f->resolve_delayed_derefs;
1222		1922
1223	$map->load_header ($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
1224	or return;	1966	or return;
		1967	$self->prepare_orig;
		1968	}
1225		1969
1226	$map->{load_path} = $path;	1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
1227		1972
1228	$map	1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
		1976	1
1229	}	1977	}
1230		1978
1231	sub find;	1979	sub find;
1232	sub find {	1980	sub find {
1233	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1234		1982
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1984
1240	cf::lock_wait "map_find:$key";	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242	$cf::MAP{$key} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1244		1987
1245	# do it the slow way	1988	$cf::MAP{$path} || do {
1246	my $map = try_load_header $path->save_path;	1989	my $map = new_from_path cf::map $path
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1990	or return;
1264		1991
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1277		1993
1278	Coro::cede;	1994	$map->load_header
		1995	or return;
1279		1996
1280	if ($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;
1281	$map->reset;	2002	$map->reset;
1282	undef $guard;
1283	$map = find $path	2003	return find $path;
1284	or return;
1285	}	2004	}
1286		2005
1287	$cf::MAP{$key} = $map	2006	$cf::MAP{$path} = $map
1288	}	2007	}
1289	}	2008	}
		2009
		2010	sub pre_load { }
		2011	sub post_load { }
1290		2012
1291	sub load {	2013	sub load {
1292	my ($self) = @_;	2014	my ($self) = @_;
1293		2015
		2016	local $self->{deny_reset} = 1; # loading can take a long time
		2017
1294	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2021	my $guard = cf::lock_acquire "map_data:$path";
1296		2022
		2023	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2025
1299	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1300		2027
1301	$self->alloc;	2028	$self->alloc;
1302	$self->load_objects ($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)
1303	or return;	2036	or return;
1304		2037
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1306	if delete $self->{load_original};	2039	if delete $self->{load_original};
1307		2040
1308	if (my $uniq = $path->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2042	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2045	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1313	}	2049	}
1314	}	2050	}
1315		2051
1316	Coro::cede;	2052	$f->resolve_delayed_derefs;
1317		2053
		2054	cf::cede_to_tick;
1318	# now do the right thing for maps	2055	# now do the right thing for maps
1319	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1330	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;
1331	$self->activate;	2066	$self->activate;
1332	}	2067	}
1333		2068
1334	Coro::cede;	2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
1335		2071
1336	$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	$neigh->load;
		2113	}
1337	}	2114	}
1338		2115
1339	sub find_sync {	2116	sub find_sync {
1340	my ($path, $origin) = @_;	2117	my ($path, $origin) = @_;
1341		2118
1342	cf::sync_job { cf::map::find $path, $origin }	2119	cf::sync_job { find $path, $origin }
1343	}	2120	}
1344		2121
1345	sub do_load_sync {	2122	sub do_load_sync {
1346	my ($map) = @_;	2123	my ($map) = @_;
1347		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1348	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	$MAP_PREFETCHER->prio (6);
		2160
		2161	()
1349	}	2162	}
1350		2163
1351	sub save {	2164	sub save {
1352	my ($self) = @_;	2165	my ($self) = @_;
1353		2166
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2168
1356	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1357		2170
1358	return unless $self->dirty;	2171	return unless $self->dirty;
1359		2172
1360	my $save = $self->{path}->save_path; utf8::encode $save;	2173	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2174	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		2175
1363	$self->{load_path} = $save;	2176	$self->{load_path} = $save;
1364		2177
1365	return if $self->{deny_save};	2178	return if $self->{deny_save};
1366		2179
1367	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1368		2181
1369	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1370	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1371	};	2185	};
1372		2186
		2187	cf::get_slot 0.02;
		2188
1373	if ($uniq) {	2189	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	2192	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	2194	}
1379	}	2195	}
1380		2196
1381	sub swap_out {	2197	sub swap_out {
1382	my ($self) = @_;	2198	my ($self) = @_;
1383		2199
1384	# save first because save cedes	2200	# save first because save cedes
1385	$self->save;	2201	$self->save;
1386		2202
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2204
1389	return if $self->players;	2205	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1391	return if $self->{deny_save};	2207	return if $self->{deny_save};
1392		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1393	$self->clear;	2213	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2214	}
1396		2215
1397	sub reset_at {	2216	sub reset_at {
1398	my ($self) = @_;	2217	my ($self) = @_;
1399		2218
1400	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1403		2221
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2224
…		…
1411	my ($self) = @_;	2229	my ($self) = @_;
1412		2230
1413	$self->reset_at <= $cf::RUNTIME	2231	$self->reset_at <= $cf::RUNTIME
1414	}	2232	}
1415		2233
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2234	sub reset {
1438	my ($self) = @_;	2235	my ($self) = @_;
1439		2236
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2238
1442	return if $self->players;	2239	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2240
1445	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	}
1446		2252
1447	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1448		2254
		2255	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2256	$_->clear_links_to ($self) for values %cf::MAP;
		2257	$self->clear;
1450		2258
1451	$self->unlink_save;	2259	$self->unlink_save;
1452	$self->destroy;	2260	$self->destroy;
1453	}	2261	}
1454		2262
1455	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1456		2264
1457	sub nuke {	2265	sub nuke {
1458	my ($self) = @_;	2266	my ($self) = @_;
1459		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};
1460	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2280
		2281	$cf::MAP{$self->path} = $self;
		2282	}
		2283
1463	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
1464	}	2285	}
1465		2286
1466	sub customise_for {	2287	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2288
1469	if ($map->per_player) {	2289	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
1471	}	2295	[
1472		2296	map {
1473	$map	2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
1474	}	2303	}
1475		2304
1476	sub emergency_save {	2305	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2306
1479	warn "enter emergency perl save\n";	2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
1480		2309
1481	cf::sync_job {	2310	=cut
1482	warn "begin emergency player save\n";
1483	$_->save for values %cf::PLAYER;
1484	warn "end emergency player save\n";
1485		2311
1486	warn "begin emergency map save\n";	2312	sub random_maps() {
1487	$_->save for values %cf::MAP;	2313	[
1488	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
1489	};	2393	}
1490
1491	warn "leave emergency perl save\n";
1492	}	2394	}
1493		2395
1494	package cf;	2396	package cf;
1495		2397
1496	=back	2398	=back
1497
1498		2399
1499	=head3 cf::object::player	2400	=head3 cf::object::player
1500		2401
1501	=over 4	2402	=over 4
1502		2403
…		…
1505	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>
1506	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
1507	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1508		2409
1509	=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	};
1510		2425
1511	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1512	# with dialog boxes.	2427	# with dialog boxes.
1513	#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
1514	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1516		2431
1517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1518		2433
1519	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1521	} 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 {
1522	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1523	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1524	}	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 (@_);
1525	}	2459	}
1526		2460
1527	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1528		2462
1529	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1542		2476
1543	=item $player_object->enter_link	2477	=item $player_object->enter_link
1544		2478
1545	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}>).
1546		2480
1547	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.
1548	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.
1549		2487
1550	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1551		2489
1552	Moves the player out of the specila link map onto the given map. If the	2490	Moves the player out of the special C<{link}> map onto the specified
1553	map is not valid (or omitted), the player will be moved back to the	2491	map. If the map is not valid (or omitted), the player will be moved back
1554	location he/she was before the call to C<enter_link>, or, if that fails,	2492	to the location he/she was before the call to C<enter_link>, or, if that
1555	to the emergency map position.	2493	fails, to the emergency map position.
1556		2494
1557	Might block.	2495	Might block.
1558		2496
1559	=cut	2497	=cut
		2498
		2499	sub link_map {
		2500	unless ($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	$LINK_MAP
		2507	}
1560		2508
1561	sub cf::object::player::enter_link {	2509	sub cf::object::player::enter_link {
1562	my ($self) = @_;	2510	my ($self) = @_;
1563		2511
1564	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1565		2513
1566	return if $self->map == $LINK_MAP;	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1567		2515
1568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1570		2518
1571	$self->enter_map ($LINK_MAP, 20, 20);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1572	}	2520	}
1573		2521
1574	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1575	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1576		2526
1577	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1578		2528
1579	unless ($map) {	2529	unless ($map) {
1580	# restore original map position	2530	# restore original map position
…		…
1594	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1595	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1596	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1597		2547
1598	$map->load;	2548	$map->load;
		2549	$map->load_neighbours;
1599		2550
1600	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
1601	$self->activate_recursive;	2557	$self->activate_recursive;
1602	$self->enter_map ($map, $x, $y);
1603	}	2558	}
1604		2559
1605	cf::player->attach (	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1606	on_logout => sub {
1607	my ($pl) = @_;
1608		2561
1609	# abort map switching before logout	2562	Moves the player to the given map-path and coordinates by first freezing
1610	if ($pl->ob->{_link_pos}) {	2563	her, loading and preparing them map, calling the provided $check callback
1611	cf::sync_job {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1612	$pl->ob->leave_link	2565	the new (success) or old (failed) map position. In either case, $done will
1613	};	2566	be called at the end of this process.
1614	}
1615	},
1616	on_login => sub {
1617	my ($pl) = @_;
1618		2567
1619	# try to abort aborted map switching on player login :)	2568	Note that $check will be called with a potentially non-loaded map, so if
1620	# should happen only on crashes	2569	it needs a loaded map it has to call C<< ->load >>.
1621	if ($pl->ob->{_link_pos}) {
1622	$pl->ob->enter_link;
1623	(async {
1624	# we need this sleep as the login has a concurrent enter_exit running
1625	# and this sleep increases chances of the player not ending up in scorn
1626	$pl->ob->reply (undef,
1627	"There was an internal problem at your last logout, "
1628	. "the server will try to bring you to your intended destination in a second.",
1629	cf::NDI_RED);
1630	Coro::Timer::sleep 1;
1631	$pl->ob->leave_link;
1632	})->prio (2);
1633	}
1634	},
1635	);
1636		2570
1637	=item $player_object->goto ($path, $x, $y)
1638
1639	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1640		2574
1641	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1642	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
		2577
		2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1643		2580
1644	$self->enter_link;	2581	$self->enter_link;
1645		2582
1646	(async {	2583	(async {
1647	$path = new cf::path $path;	2584	$Coro::current->{desc} = "player::goto $path $x $y";
1648		2585
1649	my $map = cf::map::find $path->as_string;	2586	# *tag paths override both path and x|y
		2587	if ($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) {
1650	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
1651		2610	$map = $check->($map) if $check && $map;
1652	# warn "entering ", $map->path, " at ($x, $y)\n"	2611	} else {
1653	# if $map;
1654
1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
1656		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};
1657	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1658	})->prio (1);	2629	})->prio (1);
1659	}	2630	}
1660		2631
1661	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1662		2633
…		…
1664		2635
1665	sub parse_random_map_params {	2636	sub parse_random_map_params {
1666	my ($spec) = @_;	2637	my ($spec) = @_;
1667		2638
1668	my $rmp = { # defaults	2639	my $rmp = { # defaults
1669	xsize => 10,	2640	xsize => (cf::rndm 15, 40),
1670	ysize => 10,	2641	ysize => (cf::rndm 15, 40),
		2642	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2643	#layout => string,
1671	};	2644	};
1672		2645
1673	for (split /\n/, $spec) {	2646	for (split /\n/, $spec) {
1674	my ($k, $v) = split /\s+/, $_, 2;	2647	my ($k, $v) = split /\s+/, $_, 2;
1675		2648
…		…
1687	# that depends on the exit object	2660	# that depends on the exit object
1688		2661
1689	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
1690		2663
1691	if ($exit->map) {	2664	if ($exit->map) {
1692	$rmp->{region} = $exit->map->region_name;	2665	$rmp->{region} = $exit->region->name;
1693	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1694	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1695	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1696	}	2671	}
1697		2672
1698	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1699		2674
1700	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1701	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
		2677	my $meta = "$RANDOMDIR/$md5.meta";
1702		2678
1703	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) {
1704	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;
1705		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1706	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1707	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1708	}	2690	}
1709	}	2691	}
1710		2692
1711	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1712	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
…		…
1714	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1715		2697
1716	$self->enter_link;	2698	$self->enter_link;
1717		2699
1718	(async {	2700	(async {
1719	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1720	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
1721	prepare_random_map $exit	2710	prepare_random_map $exit
1722	if $exit->slaying eq "/!";	2711	if $exit->slaying eq "/!";
		2712	}
1723		2713
1724	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;
1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
1726		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
1727	1;	2724	1
1728	}) {	2725	}) {
1729	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1730	. "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. "
1731	. "Please report this to the dungeon master",	2728	. "Please report this to the dungeon master!",
1732	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1733		2730
1734	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
1735	$self->leave_link;	2732	$self->leave_link;
1736	}	2733	}
1737	})->prio (1);	2734	})->prio (1);
…		…
1750		2747
1751	sub cf::client::send_drawinfo {	2748	sub cf::client::send_drawinfo {
1752	my ($self, $text, $flags) = @_;	2749	my ($self, $text, $flags) = @_;
1753		2750
1754	utf8::encode $text;	2751	utf8::encode $text;
1755	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756	}	2753	}
1757		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	}
1758		2949
1759	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
1760		2951
1761	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
1762	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>,
1763	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>.
1764		2955
1765	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
1766	reliable at some point in the future.	2957	become reliable at some point in the future.
1767		2958
1768	=cut	2959	=cut
1769		2960
1770	sub cf::client::query {	2961	sub cf::client::query {
1771	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
1779	utf8::encode $text;	2970	utf8::encode $text;
1780	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1781		2972
1782	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
1783	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
1784	}	2977	}
1785		2978
1786	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
1787	on_reply => sub {	2985	on_reply => sub {
1788	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
1789		2987
1790	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
1791	# get handled first	2989	# get handled first
1792	my $queue = delete $ns->{query_queue}	2990	my $queue = delete $ns->{query_queue}
1793	or return; # be conservative, not sure how that can happen, but we saw a crash here	2991	or return; # be conservative, not sure how that can happen, but we saw a crash here
1794		2992
1795	(shift @$queue)->[1]->($msg);	2993	(shift @$queue)->[1]->($msg);
		2994	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796		2995
1797	push @{ $ns->{query_queue} }, @$queue;	2996	push @{ $ns->{query_queue} }, @$queue;
1798		2997
1799	if (@{ $ns->{query_queue} } == @$queue) {	2998	if (@{ $ns->{query_queue} } == @$queue) {
1800	if (@$queue) {	2999	if (@$queue) {
…		…
1802	} else {	3001	} else {
1803	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1804	}	3003	}
1805	}	3004	}
1806	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($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	},
1807	);	3032	);
1808		3033
1809	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
1810		3035
1811	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
1852	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
1853	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
1854		3079
1855	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
1856		3081
1857	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
1858		3087
1859	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
1860		3089
1861	=pod	3090	=pod
1862		3091
1863	The following fucntions and emthods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
1864		3093
1865	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
1866	cf::object::player player	3099	cf::object::player
1867	cf::player peaceful	3100	player
1868	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
1869		3107
1870	=cut	3108	=cut
1871		3109
1872	for (	3110	for (
1873	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
1874	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
1875	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
1876	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
1877	) {	3117	) {
1878	no strict 'refs';	3118	no strict 'refs';
1879	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
1880	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1897	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
1898		3138
1899	my $qcode = $code;	3139	my $qcode = $code;
1900	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1901	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
1902		3144
1903	local $_;	3145	local $_;
1904	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
1905		3147
1906	my $eval =	3148	my $eval =
…		…
1949	=back	3191	=back
1950		3192
1951	=cut	3193	=cut
1952		3194
1953	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
1954		3197
1955	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
1956		3200
1957	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
1958	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
1959	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
1960		3204
1961	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1962	using it, it should be unique.
1963		3206
1964	=over 4	3207	warn "loading facedata from $path\n";
1965		3208
1966	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
1967		3212
1968	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
1969	modified. After modifications, you have to call C<cf::db_dirty> or
1970	C<cf::db_sync>.
1971		3214
1972	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
1973		3217
1974	Returns a single value from the database	3218	# patch in the exptable
1975		3219	$facedata->{resource}{"res/exp_table"} = {
1976	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
1977		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1978	Stores the given family hashref into the database. Updates are delayed, if
1979	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_put $family => $key => $value
1982
1983	Stores the given C<$value> in the family hash. Updates are delayed, if you
1984	want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986	=item cf::db_dirty
1987
1988	Marks the database as dirty, to be updated at a later time.
1989
1990	=item cf::db_sync
1991
1992	Immediately write the database to disk I<if it is dirty>.
1993
1994	=cut
1995
1996	our $DB;
1997
1998	{
1999	my $path = cf::localdir . "/database.pst";
2000
2001	sub db_load() {
2002	$DB = stat $path ? Storable::retrieve $path : { };
2003	}
2004
2005	my $pid;
2006
2007	sub db_save() {
2008	waitpid $pid, 0 if $pid;
2009	if (0 == ($pid = fork)) {
2010	$DB->{_meta}{version} = 1;
2011	Storable::nstore $DB, "$path~";
2012	rename "$path~", $path;
2013	cf::_exit 0 if defined $pid;
2014	}
2015	}
2016
2017	my $dirty;
2018
2019	sub db_sync() {
2020	db_save if $dirty;
2021	undef $dirty;
2022	}
2023
2024	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025	db_sync;
2026	});	3222	};
		3223	cf::cede_to_tick;
2027		3224
2028	sub db_dirty() {
2029	$dirty = 1;
2030	$idle->start;
2031	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2032		3227
2033	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2034	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2035	? $DB->{$_[0]}{$_[1]}
2036	: ($DB->{$_[0]} ||= { })
2037	}
2038		3230
2039	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2040	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2041	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2042	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2043	$DB->{$_[0]} = $_[1];
2044	}
2045	db_dirty;
2046	}
2047		3235
2048	cf::global->attach (	3236	cf::cede_to_tick;
2049	prio => 10000,
2050	on_cleanup => sub {
2051	db_sync;
2052	},	3237	}
2053	);
2054	}
2055		3238
2056	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2057	# the server's main()	3240	next unless $info->{smooth};
2058		3241
2059	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 {
2060	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2061	or return;	3385	or return;
2062		3386
2063	local $/;	3387	local $/;
2064	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2065		3389
2066	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2067		3391
2068	$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};
2069	$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};
2070		3394
2071	if (exists $CFG{mlockall}) {	3395	if (exists $CFG{mlockall}) {
2072	eval {	3396	eval {
2073	$CFG{mlockall} ? &mlockall : &munlockall	3397	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074	and die "WARNING: m(un)lockall failed: $!\n";	3398	and die "WARNING: m(un)lockall failed: $!\n";
2075	};	3399	};
2076	warn $@ if $@;	3400	warn $@ if $@;
2077	}	3401	}
2078	}	3402	}
2079		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
2080	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
2081	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2082	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2083	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#
2084	async { Event::one_event };	3450	(async {
		3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
		3453	})->prio (Coro::PRIO_MAX);
2085	};	3454	};
2086		3455
2087	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
2088	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
2089	load_extensions;	3474	load_extensions;
2090	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;
2091	}	3486	}
2092		3487
2093	#############################################################################	3488	#############################################################################
2094	# initialisation	3489	# initialisation and cleanup
2095		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 $pkg\n";#d#
		3669	}
		3670
2096	sub reload() {	3671	sub do_reload_perl() {
2097	# can/must only be called in main	3672	# can/must only be called in main
2098	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2099	warn "can only reload from main coroutine\n";	3674	warn "can only reload from main coroutine";
2100	return;	3675	return;
2101	}	3676	}
2102		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2103	warn "reloading...";	3683	warn "reloading...";
2104		3684
2105	my $guard = freeze_mainloop;	3685	warn "entering sync_job";
		3686
		3687	cf::sync_job {
		3688	cf::write_runtime_sync; # external watchdog should not bark
2106	cf::emergency_save;	3689	cf::emergency_save;
		3690	cf::write_runtime_sync; # external watchdog should not bark
2107		3691
2108	eval {	3692	warn "syncing database to disk";
		3693	BDB::db_env_txn_checkpoint $DB_ENV;
		3694
2109	# 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
2110		3696
2111	# cancel all watchers	3697	warn "flushing outstanding aio requests";
2112	for (Event::all_watchers) {	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2113	$_->cancel if $_->data & WF_AUTOCANCEL;	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2114	}
2115
2116	# cancel all extension coros
2117	$_->cancel for values %EXT_CORO;
2118	%EXT_CORO = ();
2119
2120	# unload all extensions
2121	for (@exts) {
2122	warn "unloading <$_>";
2123	unload_extension $_;
2124	}
2125
2126	# unload all modules loaded from $LIBDIR
2127	while (my ($k, $v) = each %INC) {
2128	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129
2130	warn "removing <$k>";
2131	delete $INC{$k};
2132
2133	$k =~ s/\.pm$//;
2134	$k =~ s/\//::/g;
2135
2136	if (my $cb = $k->can ("unload_module")) {
2137	$cb->();
2138	}	3700	}
2139		3701
2140	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;
2141	}	3726	}
2142		3727
2143	# sync database to disk	3728	warn "unloading all perl modules loaded from $LIBDIR";
2144	cf::db_sync;	3729	while (my ($k, $v) = each %INC) {
2145	IO::AIO::flush;	3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2146		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 $k;
		3743	}
		3744
2147	# get rid of safe::, as good as possible	3745	warn "getting rid of safe::, as good as possible";
2148	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2149	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);
2150		3748
2151	# remove register_script_function callbacks	3749	warn "unloading cf.pm \"a bit\"";
2152	# TODO
2153
2154	# unload cf.pm "a bit"
2155	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2156		3752
2157	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2158	# and global variables created in xs	3754	# and global variables created in xs
2159	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2160		3756
2161	# reload cf.pm	3757	warn "unload completed, starting to reload now";
		3758
2162	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2163	require cf;	3760	require cf;
2164	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165		3762
2166	# load config and database again	3763	warn "loading config and database again";
2167	cf::cfg_load;	3764	cf::reload_config;
2168	cf::db_load;
2169		3765
2170	# load extensions
2171	warn "load extensions";	3766	warn "loading extensions";
2172	cf::load_extensions;	3767	cf::load_extensions;
2173		3768
2174	# reattach attachments to objects	3769	if ($REATTACH_ON_RELOAD) {
2175	warn "reattach";	3770	warn "reattaching attachments to objects/players";
2176	_global_reattach;	3771	_global_reattach; # objects, sockets
		3772	warn "reattaching attachments to maps";
2177	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 $RELOAD_WATCHER;
		3809	};
2178	};	3810	};
2179
2180	if ($@) {
2181	warn $@;
2182	warn "error while reloading, exiting.";
2183	exit 1;
2184	}
2185
2186	warn "reloaded successfully";
2187	};
2188
2189	#############################################################################
2190
2191	unless ($LINK_MAP) {
2192	$LINK_MAP = cf::map::new;
2193
2194	$LINK_MAP->width (41);
2195	$LINK_MAP->height (41);
2196	$LINK_MAP->alloc;
2197	$LINK_MAP->path ("{link}");
2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201	# dirty hack because... archetypes are not yet loaded
2202	Event->timer (
2203	after => 10,
2204	cb => sub {
2205	$_[0]->w->cancel;
2206
2207	# provide some exits "home"
2208	my $exit = cf::object::new "exit";
2209
2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214	$LINK_MAP->insert ($exit->clone, 19, 19);
2215	$LINK_MAP->insert ($exit->clone, 19, 20);
2216	$LINK_MAP->insert ($exit->clone, 19, 21);
2217	$LINK_MAP->insert ($exit->clone, 20, 19);
2218	$LINK_MAP->insert ($exit->clone, 20, 21);
2219	$LINK_MAP->insert ($exit->clone, 21, 19);
2220	$LINK_MAP->insert ($exit->clone, 21, 20);
2221	$LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223	$exit->destroy;
2224	});
2225
2226	$LINK_MAP->{deny_save} = 1;
2227	$LINK_MAP->{deny_reset} = 1;
2228
2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230	}	3811	}
2231
2232	register "<global>", __PACKAGE__;
2233		3812
2234	register_command "reload" => sub {	3813	register_command "reload" => sub {
2235	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2236		3815
2237	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2238	$who->message ("start of reload.");
2239	reload;
2240	$who->message ("end of reload.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
		3820	reload_perl;
		3821	};
2241	}	3822	}
2242	};	3823	};
2243		3824
2244	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2245		3826
2246	$TICK_WATCHER = Event->timer (	3827	my $bug_warning = 0;
2247	reentrant => 0,	3828
2248	prio => 0,	3829	our @WAIT_FOR_TICK;
2249	at => $NEXT_TICK || $TICK,	3830	our @WAIT_FOR_TICK_BEGIN;
2250	data => WF_AUTOCANCEL,	3831
2251	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
2252	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2253	$RUNTIME += $TICK;
2254	$NEXT_TICK += $TICK;
2255		3856
2256	# if we are delayed by four ticks or more, skip them all	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2258		3859	Coro::async_pool {
2259	$TICK_WATCHER->at ($NEXT_TICK);	3860	$Coro::current->{desc} = "runtime saver";
2260	$TICK_WATCHER->start;
2261	},
2262	);
2263
2264	IO::AIO::max_poll_time $TICK * 0.2;
2265
2266	Event->io (
2267	fd => IO::AIO::poll_fileno,
2268	poll => 'r',
2269	prio => 5,
2270	data => WF_AUTOCANCEL,
2271	cb => \&IO::AIO::poll_cb,
2272	);
2273
2274	Event->timer (
2275	data => WF_AUTOCANCEL,
2276	after => 0,
2277	interval => 10,
2278	cb => sub {
2279	(Coro::unblock_sub {
2280	write_runtime	3861	write_runtime_sync
2281	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2282	})->();	3863	};
2283	},	3864	}
2284	);	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;
2285		3979
2286	END { cf::emergency_save }	3980	END { cf::emergency_save }
2287		3981
2288	1	3982	1
2289		3983

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