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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
54		105
55	our %CFG;	106	our %CFG;
56		107
57	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
59		111
60	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		115
68	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
71	binmode STDOUT;	124	binmode STDOUT;
72	binmode STDERR;	125	binmode STDERR;
73		126
74	# read virtual server time, if available	127	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
79	}	132	}
80		133
81	mkdir cf::localdir;	134	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		136
87	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
88		138
89	sub cf::map::normalise;	139	sub cf::map::normalise;
90		140
…		…
101	=item $cf::RUNTIME	151	=item $cf::RUNTIME
102		152
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	154	every server tick.
105		155
106	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		159
108	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
110		164
111	=item $cf::NOW	165	=item $cf::NOW
112		166
113	The time of the last (current) server tick.	167	The time of the last (current) server tick.
114		168
115	=item $cf::TICK	169	=item $cf::TICK
116		170
117	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
118		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
119	=item %cf::CFG	183	=item %cf::CFG
120		184
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	186	from wherever your confdir points to.
123		187
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		189
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
130		199
131	=back	200	=back
132		201
133	=cut	202	=cut
134		203
135	BEGIN {	204	BEGIN {
136	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	206	my $msg = join "", @_;
138	utf8::encode $msg;
139		207
140	$msg .= "\n"	208	$msg .= "\n"
141	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
142		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
143	LOG llevError, $msg;	213	LOG llevError, $msg;
144	};	214	};
145	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
146		231
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		239
154	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	241	# within the Safe compartment.
156	for my $pkg (qw(	242	for my $pkg (qw(
157	cf::global cf::attachable	243	cf::global cf::attachable
…		…
162	)) {	248	)) {
163	no strict 'refs';	249	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	251	}
166		252
167	$Event::DIED = sub {	253	$EV::DIED = sub {
168	warn "error in event callback: @_";	254	warn "error in event callback: @_";
169	};	255	};
		256
		257	#############################################################################
170		258
171	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
172		260
173	=over 4	261	=over 4
174		262
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	282	$d
195	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
196	}	284	}
197		285
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
201		287
202	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
203		289
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
212		291
213	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
214		293
215	=cut	294	=cut
216		295
217	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
219	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
221		300
222	=item cf::lock_wait $string	301	=item cf::lock_wait $string
223		302
224	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
225		304
…		…
228	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
231	returned.	310	returned.
232		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
233	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
235		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
236	=cut	322	=cut
237		323
238	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
239		326
240	sub lock_wait($) {	327	sub lock_wait($) {
241	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
242		334
243	# wait for lock, if any	335	# wait for lock, if any
244	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	338	Coro::schedule;
…		…
252		344
253	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
254	lock_wait $key;	346	lock_wait $key;
255		347
256	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
257		350
258	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
261	}	355	}
262	}	356	}
263		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
264	sub freeze_mainloop {	364	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
266		366
267	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	368	}
269	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$WRITE_RUNTIME_WATCHER->stop;	429	};
272	$TICK_WATCHER->stop;	430
273	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
274	}	443	}
275		444
276	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
277		446
278	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		452
284	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
285		454
286	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
287		456
288	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
291		461
292	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
295	fast or be very important.	465	fast or be very important.
…		…
298		468
299	sub sync_job(&) {	469	sub sync_job(&) {
300	my ($job) = @_;	470	my ($job) = @_;
301		471
302	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
303	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
305		477
306	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	479
308	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
309		481
310	my $busy = 1;	482	my $busy = 1;
311	my @res;	483	my @res;
312		484
313	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	487	@res = eval { $job->() };
315	warn $@ if $@;	488	warn $@ if $@;
316	undef $busy;	489	undef $busy;
317	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
318		491
319	while ($busy) {	492	while ($busy) {
320	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
321	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
322		503
323	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
324	} else {	505	} else {
325	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
326		507
…		…
346	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
347		528
348	$coro	529	$coro
349	}	530	}
350		531
351	sub write_runtime {	532	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		533
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
355	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
356		538
357	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		540
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
362	and return;	542	my ($cb, @args) = @_;
363		543
364	# always fsync - this file is important	544	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	545	# otherwise perl prematurely frees the stuff :/
366	and return;	546	# TODO: investigate and fix (likely this will be rather laborious)
367		547
368	close $fh	548	my @res = Coro::Util::fork_eval {
369	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
370		552
371	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
372	and return;	554	}
373		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
374	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	719	}
376		720
377	=back	721	=back
378		722
379	=cut	723	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
388		732
389	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	735	Deliantra).
392		736
393	=over 4	737	=over 4
394		738
395	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
396		740
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
560		904
561	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		909
566	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	911	my $pkg = shift @arg;
568		912
569	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
599	}	943	}
600		944
601	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
602	} else {	946	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	948	}
605		949
606	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
607	}	951	}
608		952
…		…
610	if (ref $_[0]) {	954	if (ref $_[0]) {
611	_object_attach @_;	955	_object_attach @_;
612	} else {	956	} else {
613	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
614	}	958	}
		959	_recalc_want;
615	};	960	};
616		961
617	# all those should be optimised	962	# all those should be optimised
618	sub cf::attachable::detach {	963	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
623	reattach ($obj);	968	reattach ($obj);
624	} else {	969	} else {
625	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
626	}	971	}
		972	_recalc_want;
627	};	973	};
628		974
629	sub cf::attachable::attached {	975	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
631		977
…		…
646	";	992	";
647	die if $@;	993	die if $@;
648	}	994	}
649		995
650	our $override;	996	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		998
653	sub override {	999	sub override {
654	$override = 1;	1000	$override = 1;
655	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
656	}	1002	}
657		1003
658	sub do_invoke {	1004	sub do_invoke {
659	my $event = shift;	1005	my $event = shift;
660	my $callbacks = shift;	1006	my $callbacks = shift;
661		1007
662	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
663		1009
664	local $override;	1010	local $override;
665		1011
666	for (@$callbacks) {	1012	for (@$callbacks) {
667	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
676	}	1022	}
677		1023
678	0	1024	0
679	}	1025	}
680		1026
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1028
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1030
685	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
686		1032
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1036
691	=back	1037	=back
692		1038
693	=cut	1039	=cut
694		1040
695	#############################################################################	1041	#############################################################################
696	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
697		1085
698	sub reattach {	1086	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1088	my ($obj) = @_;
701		1089
…		…
722	cf::attachable->attach (	1110	cf::attachable->attach (
723	prio => -1000000,	1111	prio => -1000000,
724	on_instantiate => sub {	1112	on_instantiate => sub {
725	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
726		1114
727	$data = from_json $data;	1115	$data = decode_json $data;
728		1116
729	for (@$data) {	1117	for (@$data) {
730	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
731		1119
732	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1136	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
750		1138
751	sync_job {	1139	sync_job {
752	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
755		1144
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1149	aio_close $fh;
761		1150
762	if (@$objs) {	1151	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1157	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
770	}	1159	}
771	} else {	1160	} else {
772	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
773	}	1162	}
…		…
778	}	1167	}
779	} else {	1168	} else {
780	aio_unlink $filename;	1169	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
782	}	1171	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1172	};
790	}	1173	}
791		1174
792	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
794		1177
…		…
799		1182
800	sub object_thawer_load {	1183	sub object_thawer_load {
801	my ($filename) = @_;	1184	my ($filename) = @_;
802		1185
803	my ($data, $av);	1186	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1187
808	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
809	or return;	1189	or return;
810		1190
811	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
813	or return;	1193	or return;
		1194
814	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
815	}	1197	}
816		1198
		1199	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
819	return ($data, $av);	1203	($data, $av)
820	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
821		1211
822	#############################################################################	1212	#############################################################################
823	# command handling &c	1213	# command handling &c
824		1214
825	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1229	}
840		1230
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1232
843	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
844		1238
845	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
846	called.	1240	called.
847		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
848	=cut	1253	=cut
849		1254
850	sub register_extcmd {	1255	sub register_extcmd {
851	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
852		1257
853	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
854	}	1265	}
855		1266
856	cf::player->attach (	1267	cf::player->attach (
857	on_command => sub {	1268	on_command => sub {
858	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1278	cf::override;
868	},	1279	},
869	on_extcmd => sub {	1280	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
871		1282
872	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1284
874	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
880	} else {	1300	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1302	}
883		1303
884	cf::override;	1304	cf::override;
885	},	1305	},
886	);	1306	);
887		1307
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
923	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1313	next unless -r $path;
925	eval {	1314
926	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
927	1	1371	}
928	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
929	}	1377	};
930	}	1378	}
931		1379
932	#############################################################################	1380	#############################################################################
933		1381
		1382	=back
		1383
934	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
935		1385
936	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
937		1387
938	=cut	1388	=cut
…		…
943		1393
944	=head3 cf::player	1394	=head3 cf::player
945		1395
946	=over 4	1396	=over 4
947		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
948	=item cf::player::find $login	1412	=item cf::player::find $login
949		1413
950	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
951		1415
952	=cut	1416	=cut
953		1417
954	sub playerdir($) {	1418	sub playerdir($) {
955	cf::localdir	1419	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1421	}
961		1422
962	sub path($) {	1423	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1425
965	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
966	}	1427	}
967		1428
968	sub find_active($) {	1429	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1444	my $login = $_[0];
984		1445
985	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
986		1447
987	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
989	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
991	}	1465	}
992	}	1466	}
993	}	1467	}
994		1468
…		…
1003	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1004		1478
1005	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1007		1481
		1482	cf::get_slot 0.01;
		1483
1008	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1009	Coro::cede;	1485	cf::cede_to_tick;
1010	}	1486	}
1011		1487
1012	sub new($) {	1488	sub new($) {
1013	my ($login) = @_;	1489	my ($login) = @_;
1014		1490
…		…
1020	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1021		1497
1022	$self	1498	$self
1023	}	1499	}
1024		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1025	=item $pl->quit_character	1511	=item $pl->quit_character
1026		1512
1027	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1029		1515
1030	=cut	1516	=cut
1031		1517
1032	sub quit_character {	1518	sub quit_character {
1033	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1034		1522
1035	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1525
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1048	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1049	}	1557	}
1050		1558
1051	=item cf::player::list_logins	1559	=item cf::player::list_logins
1052		1560
1053	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1055		1563
1056	=cut	1564	=cut
1057		1565
1058	sub list_logins {	1566	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1568	or return [];
1061		1569
1062	my @logins;	1570	my @logins;
1063		1571
1064	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1068		1582
1069	utf8::decode $login;	1583	utf8::decode $login;
1070	push @logins, $login;	1584	push @logins, $login;
1071	}	1585	}
1072		1586
…		…
1099	}	1613	}
1100		1614
1101	\@paths	1615	\@paths
1102	}	1616	}
1103		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1105		1712
1106	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1107		1714
1108	=cut	1715	=cut
1109		1716
1110	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1112		1719
1113	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1721	}
1117		1722
1118	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1119		1763
1120	=back	1764	=back
1121
1122		1765
1123	=head3 cf::map	1766	=head3 cf::map
1124		1767
1125	=over 4	1768	=over 4
1126		1769
…		…
1138	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1140		1783
1141	sub generate_random_map {	1784	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1143	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1790	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1182		1828
1183	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1184	local $self->{path};	1830	local $self->{path};
1185	local $self->{load_path};	1831	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1832
1189	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1190	}	1834	}
1191		1835
1192	sub normalise {	1836	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1240	return $self;	1884	return $self;
1241	}	1885	}
1242	}	1886	}
1243		1887
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1889	()
1246	}	1890	}
1247		1891
1248	sub init {	1892	sub init {
1249	my ($self) = @_;	1893	my ($self) = @_;
…		…
1264		1908
1265	# the original (read-only) location	1909	# the original (read-only) location
1266	sub load_path {	1910	sub load_path {
1267	my ($self) = @_;	1911	my ($self) = @_;
1268		1912
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1270	}	1914	}
1271		1915
1272	# the temporary/swap location	1916	# the temporary/swap location
1273	sub save_path {	1917	sub save_path {
1274	my ($self) = @_;	1918	my ($self) = @_;
1275		1919
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1278	}	1922	}
1279		1923
1280	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1281	sub uniq_path {	1925	sub uniq_path {
1282	my ($self) = @_;	1926	my ($self) = @_;
1283		1927
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1286	}	1930	}
1287		1931
1288	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1289	# all maps in C++...	1933	# all maps in C++...
1290	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1292		1936
1293	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1295	}	1939	}
1296		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1297	sub unlink_save {	1949	sub unlink_save {
1298	my ($self) = @_;	1950	my ($self) = @_;
1299		1951
1300	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1954	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1955	}
1309		1956
1310	sub load_header_from($) {	1957	sub load_header_from($) {
1311	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1312		1959
1313	utf8::encode $path;	1960	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1319		1969
1320	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1321		1971
1322	1	1972	1
1323	}	1973	}
…		…
1362	$self->load_header_orig	2012	$self->load_header_orig
1363	or return;	2013	or return;
1364	$self->prepare_orig;	2014	$self->prepare_orig;
1365	}	2015	}
1366		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1367	1	2023	1
1368	}	2024	}
1369		2025
1370	sub find;	2026	sub find;
1371	sub find {	2027	sub find {
1372	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1373		2029
1374	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1375		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1377		2034
1378	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1380	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1381	or return;	2040	or return;
1382		2041
1383	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1384		2043
1385	$map->load_header	2044	$map->load_header
1386	or return;	2045	or return;
1387		2046
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1391	$map->reset;	2052	$map->reset;
1392	undef $guard;
1393	return find $path;	2053	return find $path;
1394	}	2054	}
1395		2055
1396	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1397	}	2057	}
…		…
1404	my ($self) = @_;	2064	my ($self) = @_;
1405		2065
1406	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1407		2067
1408	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1410		2072
		2073	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2075
1413	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1414		2077
1415	$self->alloc;	2078	$self->alloc;
1416		2079
1417	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1418		2082
1419	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1420	or return;	2086	or return;
1421		2087
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2089	if delete $self->{load_original};
1424		2090
1425	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2092	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2095	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1430	}	2099	}
1431	}	2100	}
1432		2101
1433	Coro::cede;	2102	$f->resolve_delayed_derefs;
1434		2103
		2104	cf::cede_to_tick;
1435	# now do the right thing for maps	2105	# now do the right thing for maps
1436	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2108	unless $self->difficulty;
1446	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1447	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2125	}
1449		2126
1450	$self->post_load;	2127	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2128	}
1454		2129
1455	sub customise_for {	2130	sub customise_for {
1456	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1457		2132
1458	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2134	if $self->per_player;
1460		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1461	$self	2139	$self
1462	}	2140	}
1463		2141
1464	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2143	sub load_neighbours {
1466	my ($map) = @_;	2144	my ($map) = @_;
1467		2145
1468	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1469		2147
1470	for (0 .. 3) {	2148	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1472	or next;	2150	or next;
1473	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1474	or next;	2152	or next;
1475	$neigh->load;	2153	$neigh->load;
1476		2154
		2155	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2158	}
1480		2159
1481	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1483	or next;	2163	or next;
1484	$neigh->load;	2164	$neigh->load;
1485	}	2165	}
1486	}	2166	}
1487		2167
…		…
1492	}	2172	}
1493		2173
1494	sub do_load_sync {	2174	sub do_load_sync {
1495	my ($map) = @_;	2175	my ($map) = @_;
1496		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1497	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1498	}	2181	}
1499		2182
1500	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1502		2185
1503	sub find_async {	2186	sub find_async {
1504	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1505		2188
1506	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1507		2190
1508	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2193	}
1511		2194
1512	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1513	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1514	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2202	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2203	$map->load if $v;
		2204	}
1519		2205
1520	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1521	}	2207	}
1522	}	2208	}
1523	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1524	};	2210	};
1525	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2214	}
1529		2215
1530	sub save {	2216	sub save {
1531	my ($self) = @_;	2217	my ($self) = @_;
1532		2218
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2220
1535	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1536		2222
1537	return unless $self->dirty;	2223	return unless $self->dirty;
1538		2224
…		…
1544	return if $self->{deny_save};	2230	return if $self->{deny_save};
1545		2231
1546	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1547		2233
1548	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1550	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1551		2240
1552	if ($uniq) {	2241	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2244	} else {
…		…
1561	my ($self) = @_;	2250	my ($self) = @_;
1562		2251
1563	# save first because save cedes	2252	# save first because save cedes
1564	$self->save;	2253	$self->save;
1565		2254
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2256
1568	return if $self->players;	2257	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2259	return if $self->{deny_save};
1571		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2265	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2266	}
1575		2267
1576	sub reset_at {	2268	sub reset_at {
1577	my ($self) = @_;	2269	my ($self) = @_;
1578		2270
1579	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1582		2273
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2276
…		…
1596	my ($self) = @_;	2287	my ($self) = @_;
1597		2288
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2290
1600	return if $self->players;	2291	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2292
1603	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1604		2304
1605	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1606		2306
1607	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2309	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2310
1612	$self->unlink_save;	2311	$self->unlink_save;
1613	$self->destroy;	2312	$self->destroy;
1614	}	2313	}
1615		2314
1616	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1617		2316
1618	sub nuke {	2317	sub nuke {
1619	my ($self) = @_;	2318	my ($self) = @_;
1620		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1621	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1622		2324
1623	$self->unlink_save;	2325	$self->unlink_save;
1624		2326
1625	bless $self, "cf::map";	2327	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2332
1631	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1632		2335
1633	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1634	}	2373	}
1635		2374
1636	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1637		2376
1638	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2378	instantiated unique items. May block.
1640		2379
1641	=cut	2380	=cut
1642		2381
1643	sub unique_maps() {	2382	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1645	or return;	2384	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2385	utf8::decode $_;
1651	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2388	? ()
1654	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2391	]
1656
1657	\@paths
1658	}	2392	}
1659
1660	package cf;
1661		2393
1662	=back	2394	=back
1663		2395
1664	=head3 cf::object	2396	=head3 cf::object
1665		2397
…		…
1669		2401
1670	=over 4	2402	=over 4
1671		2403
1672	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1673		2405
1674	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1675		2408
1676	=cut	2409	=cut
1677		2410
1678	sub inv_recursive_;	2411	sub inv_recursive_;
1679	sub inv_recursive_ {	2412	sub inv_recursive_ {
1680	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1681	}	2414	}
1682		2415
1683	sub inv_recursive {	2416	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1685	}	2446	}
1686		2447
1687	package cf;	2448	package cf;
1688		2449
1689	=back	2450	=back
…		…
1708		2469
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2471
1711	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1713	} else {	2475	} else {
		2476	my $pl = $self->contr;
		2477
		2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2479	my $dialog = $pl->{npc_dialog};
		2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2481
		2482	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1716	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
1717	}	2497	}
1718		2498
1719	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1720		2500
1721	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1769		2549
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2551
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1774		2554
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2556	}
1777		2557
1778	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1780		2562
1781	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1782		2564
1783	unless ($map) {	2565	unless ($map) {
1784	# restore original map position	2566	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1801		2583
1802	$map->load;	2584	$map->load;
1803	$map->load_diag;	2585	$map->load_neighbours;
1804		2586
1805	return unless $self->contr->active;	2587	return unless $self->contr->active;
1806	$self->activate_recursive;	2588	$self->activate_recursive;
		2589
		2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1808	}	2592	}
1809		2593
1810	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2595
1814	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1818	};	2600	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2601
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1845		2605
1846	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
		2608
		2609	# do generation counting so two concurrent goto's will be executed in-order
		2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2611
1849	$self->enter_link;	2612	$self->enter_link;
1850		2613
1851	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
1852	my $map = eval {	2636	my $map = eval {
1853	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2640	$map = $map->customise_for ($self);
		2641	$map = $check->($map) if $check && $map;
		2642	} else {
		2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645
1855	$map	2646	$map
		2647	};
		2648
		2649	if ($@) {
		2650	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2652	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1860	})->prio (1);	2660	})->prio (1);
1861	}	2661	}
1862		2662
1863	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
1864		2664
…		…
1901	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
1902	}	2702	}
1903		2703
1904	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
1905		2705
1906	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
1909		2709
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2712	undef $fh;
1913	aio_rename "$meta~", $meta;	2713	aio_rename "$meta~", $meta;
…		…
1922		2722
1923	return unless $self->type == cf::PLAYER;	2723	return unless $self->type == cf::PLAYER;
1924		2724
1925	if ($exit->slaying eq "/!") {	2725	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2727	# the problem is that $exit might not survive long enough
		2728	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2729	cf::sync_job { prepare_random_map $exit };
1928	}	2730	}
1929		2731
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
1933		2735
1934	$self->enter_link;	2736	$self->enter_link;
1935		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
1936	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
1937	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2746	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
1940		2748
1941	1;	2749	1;
1942	}) {	2750	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2751	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2752	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2753	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2754	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2755
1948	warn "ERROR in enter_exit: $@";	2756	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2757	$self->leave_link;
1950	}	2758	}
1951	})->prio (1);	2759	})->prio (1);
…		…
1964		2772
1965	sub cf::client::send_drawinfo {	2773	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2774	my ($self, $text, $flags) = @_;
1967		2775
1968	utf8::encode $text;	2776	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2778	}
1971		2779
		2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2781
		2782	Send a drawinfo or msg packet to the client, formatting the msg for the
		2783	client if neccessary. C<$type> should be a string identifying the type of
		2784	the message, with C<log> being the default. If C<$color> is negative, suppress
		2785	the message unless the client supports the msg packet.
		2786
		2787	=cut
		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
		2847	sub cf::client::send_msg {
		2848	my ($self, $channel, $msg, $color, @extra) = @_;
		2849
		2850	$msg = $self->pl->expand_cfpod ($msg);
		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
		2876	if ($self->can_msg) {
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2883	} else {
		2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
		2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
		2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2902	} else {
		2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2904	$self->send_packet ("drawinfo $color $msg")
		2905	}
		2906	}
		2907	}
		2908	}
		2909
		2910	=item $client->ext_msg ($type, @msg)
		2911
		2912	Sends an ext event to the client.
		2913
		2914	=cut
		2915
		2916	sub cf::client::ext_msg($$@) {
		2917	my ($self, $type, @msg) = @_;
		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
		2922	push @msg, msgtype => "event_$type";
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
		2943	}
1972		2944
1973	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
1974		2946
1975	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2950
1979	Queries can fail, so check the return code. Or don't, as queries will become	2951	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2952	become reliable at some point in the future.
1981		2953
1982	=cut	2954	=cut
1983		2955
1984	sub cf::client::query {	2956	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2965	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2967
1996	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
1998	}	2972	}
1999		2973
2000	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2001	on_reply => sub {	2980	on_reply => sub {
2002	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2003		2982
2004	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2005	# get handled first	2984	# get handled first
…		…
2017	} else {	2996	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2998	}
2020	}	2999	}
2021	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($ns, $buf) = @_;
		3003
		3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3005
		3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
		3014	if (my $cb = $EXTICMD{$type}) {
		3015	@reply = $cb->($ns, @payload);
		3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
		3021	} else {
		3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3023	}
		3024
		3025	cf::override;
		3026	},
2022	);	3027	);
2023		3028
2024	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2025		3030
2026	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2069		3074
2070	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2071		3076
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2073		3082
2074	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2075		3084
2076	=pod	3085	=pod
2077		3086
2078	The following fucntions and emthods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2079		3088
2080	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2081	cf::object::player player	3093	cf::object::player
2082	cf::player peaceful	3094	player
2083	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2084		3101
2085	=cut	3102	=cut
2086		3103
2087	for (	3104	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2089	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2092	) {	3111	) {
2093	no strict 'refs';	3112	no strict 'refs';
…		…
2164	=back	3183	=back
2165		3184
2166	=cut	3185	=cut
2167		3186
2168	#############################################################################	3187	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3188	# the server's init and main functions
2278		3189
		3190	sub load_facedata($) {
		3191	my ($path) = @_;
		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3198
		3199	warn "loading facedata from $path\n";
		3200
		3201	my $facedata;
		3202	0 < aio_load $path, $facedata
		3203	or die "$path: $!";
		3204
		3205	$facedata = Coro::Storable::thaw $facedata;
		3206
		3207	$facedata->{version} == 2
		3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
		3217	{
		3218	my $faces = $facedata->{faceinfo};
		3219
		3220	while (my ($face, $info) = each %$faces) {
		3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
		3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
		3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230
		3231	while (my ($face, $info) = each %$faces) {
		3232	next unless $info->{smooth};
		3233
		3234	my $idx = cf::face::find $face
		3235	or next;
		3236
		3237	if (my $smooth = cf::face::find $info->{smooth}) {
		3238	cf::face::set_smooth $idx, $smooth;
		3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3240	} else {
		3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	{
		3249	my $anims = $facedata->{animinfo};
		3250
		3251	while (my ($anim, $info) = each %$anims) {
		3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3253	cf::cede_to_tick;
		3254	}
		3255
		3256	cf::anim::invalidate_all; # d'oh
		3257	}
		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3293
		3294	1
		3295	}
		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
2279	sub load_resources {	3325	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
		3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
		3340	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3341	or die "unable to load regions file\n";
2282	}
2283		3342
2284	sub cfg_load {	3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
		3347	}
		3348
		3349	sub reload_facedata {
		3350	load_facedata "$DATADIR/facedata"
		3351	or die "unable to load facedata\n";
		3352	}
		3353
		3354	sub reload_archetypes {
		3355	load_resource_file "$DATADIR/archetypes"
		3356	or die "unable to load archetypes\n";
		3357	}
		3358
		3359	sub reload_treasures {
		3360	load_resource_file "$DATADIR/treasures"
		3361	or die "unable to load treasurelists\n";
		3362	}
		3363
		3364	sub reload_resources {
		3365	warn "reloading resource files...\n";
		3366
		3367	reload_facedata;
		3368	reload_archetypes;
		3369	reload_regions;
		3370	reload_treasures;
		3371
		3372	warn "finished reloading resource files\n";
		3373	}
		3374
		3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
		3378	reload_resources;
		3379	}
		3380
		3381	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3383	or return;
2287		3384
2288	local $/;	3385	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2290		3387
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3389
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3397	};
2301	warn $@ if $@;	3398	warn $@ if $@;
2302	}	3399	}
2303	}	3400	}
2304		3401
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3402	sub main {
2310	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3406	(async {
2314	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2316	};	3410	};
2317		3411
2318	cfg_load;	3412	{
2319	db_load;	3413	my $guard = freeze_mainloop;
		3414	reload_config;
		3415	db_init;
2320	load_extensions;	3416	load_extensions;
2321		3417
2322	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2323	Event::loop;	3422	EV::loop;
2324	}	3423	}
2325		3424
2326	#############################################################################	3425	#############################################################################
2327	# initialisation and cleanup	3426	# initialisation and cleanup
2328		3427
2329	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2330	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2339	},
2340	);	3434	};
		3435	}
		3436	}
		3437
		3438	sub write_runtime_sync {
		3439	my $runtime = "$LOCALDIR/runtime";
		3440
		3441	# first touch the runtime file to show we are still running:
		3442	# the fsync below can take a very very long time.
		3443
		3444	IO::AIO::aio_utime $runtime, undef, undef;
		3445
		3446	my $guard = cf::lock_acquire "write_runtime";
		3447
		3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3449	or return;
		3450
		3451	my $value = $cf::RUNTIME + 90 + 10;
		3452	# 10 is the runtime save interval, for a monotonic clock
		3453	# 60 allows for the watchdog to kill the server.
		3454
		3455	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3456	and return;
		3457
		3458	# always fsync - this file is important
		3459	aio_fsync $fh
		3460	and return;
		3461
		3462	# touch it again to show we are up-to-date
		3463	aio_utime $fh, undef, undef;
		3464
		3465	close $fh
		3466	or return;
		3467
		3468	aio_rename "$runtime~", $runtime
		3469	and return;
		3470
		3471	warn "runtime file written.\n";
		3472
2341	}	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2342	}	3517	}
2343		3518
2344	sub emergency_save() {	3519	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2346		3521
…		…
2352	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3533	$pl->save;
2358	}	3534	}
2359	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2360		3536
2361	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3539	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3540	$map->valid or next;
2365	$map->save;	3541	$map->save;
2366	}	3542	}
2367	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
		3544
		3545	warn "begin emergency database checkpoint\n";
		3546	BDB::db_env_txn_checkpoint $DB_ENV;
		3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2368	};	3552	};
2369		3553
2370	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2371	}	3555	}
2372		3556
		3557	sub post_cleanup {
		3558	my ($make_core) = @_;
		3559
		3560	warn Carp::longmess "post_cleanup backtrace"
		3561	if $make_core;
		3562	}
		3563
2373	sub reload() {	3564	sub do_reload_perl() {
2374	# can/must only be called in main	3565	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3566	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3567	warn "can only reload from main coroutine";
2377	return;	3568	return;
2378	}	3569	}
2379		3570
2380	warn "reloading...";	3571	warn "reloading...";
2381		3572
2382	warn "cancelling server ticker";	3573	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3574
		3575	cf::sync_job {
		3576	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3577	cf::emergency_save;
		3578	cf::write_runtime_sync; # external watchdog should not bark
2386		3579
2387	eval {	3580	warn "syncing database to disk";
		3581	BDB::db_env_txn_checkpoint $DB_ENV;
		3582
2388	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397		3584
2398	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2399	for (;;) {	3586	for (;;) {
		3587	BDB::flush;
2400	IO::AIO::flush;	3588	IO::AIO::flush;
2401	Coro::cede;	3589	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3591	warn "iterate...";
2404	}	3592	}
		3593
		3594	++$RELOAD;
2405		3595
2406	warn "cancelling all extension coros";	3596	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3597	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3598	%EXT_CORO = ();
2409		3599
2410	warn "removing commands";	3600	warn "removing commands";
2411	%COMMAND = ();	3601	%COMMAND = ();
2412		3602
2413	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2415		3606
2416	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2419		3610
…		…
2449	Symbol::delete_package "safe::$_"	3640	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3642
2452	warn "unloading cf.pm \"a bit\"";	3643	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3644	delete $INC{"cf.pm"};
		3645	delete $INC{"cf/pod.pm"};
2454		3646
2455	# don't, removes xs symbols, too,	3647	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3648	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3649	#Symbol::delete_package __PACKAGE__;
2458		3650
…		…
2461	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2462	require cf;	3654	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3656
2465	warn "loading config and database again";	3657	warn "loading config and database again";
2466	cf::cfg_load;	3658	cf::reload_config;
2467	cf::db_load;
2468		3659
2469	warn "loading extensions";	3660	warn "loading extensions";
2470	cf::load_extensions;	3661	cf::load_extensions;
2471		3662
2472	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3664	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3665	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3666	reattach $_ for values %MAP;
		3667	warn "reattaching attachments to players";
		3668	reattach $_ for values %PLAYER;
2476		3669
2477	warn "loading reloadable resources";	3670	warn "leaving sync_job";
2478	load_resources;
2479		3671
2480	warn "restarting server ticker";	3672	1
2481		3673	} or do {
2482	$TICK_WATCHER->start;	3674	warn $@;
		3675	cf::cleanup "error while reloading, exiting.";
2483	};	3676	};
2484
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490		3677
2491	warn "reloaded";	3678	warn "reloaded";
2492	};	3679	};
2493		3680
2494	our $RELOAD_WATCHER; # used only during reload	3681	our $RELOAD_WATCHER; # used only during reload
2495		3682
		3683	sub reload_perl() {
		3684	# doing reload synchronously and two reloads happen back-to-back,
		3685	# coro crashes during coro_state_free->destroy here.
		3686
		3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3688	do_reload_perl;
		3689	undef $RELOAD_WATCHER;
		3690	};
		3691	}
		3692
2496	register_command "reload" => sub {	3693	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2498		3695
2499	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
2501		3698	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3699	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3700	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3701	};
2514	}	3702	}
2515	};	3703	};
2516		3704
2517	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2518		3706
2519	my $bug_warning = 0;	3707	my $bug_warning = 0;
2520		3708
2521	$TICK_WATCHER = Event->timer (	3709	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3710	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3711
2524	prio => 0,	3712	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3714
2527	cb => sub {	3715	my $signal = new Coro::Signal;
		3716	push @WAIT_FOR_TICK, $signal;
		3717	$signal->wait;
		3718	}
		3719
		3720	sub wait_for_tick_begin {
		3721	return if tick_inhibit || $Coro::current == $Coro::main;
		3722
		3723	my $signal = new Coro::Signal;
		3724	push @WAIT_FOR_TICK_BEGIN, $signal;
		3725	$signal->wait;
		3726	}
		3727
		3728	sub tick {
2528	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2531	return;	3732	return;
2532	}	3733	}
2533		3734
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3736
2540	$WAIT_FOR_TICK->broadcast;	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3739	Coro::async_pool {
2543	Event::sweep;	3740	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3741	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
		3743	};
2578	},	3744	}
2579	);	3745
		3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3747	$sig->send;
		3748	}
		3749	while (my $sig = shift @WAIT_FOR_TICK) {
		3750	$sig->send;
		3751	}
		3752
		3753	$LOAD = ($NOW - $TICK_START) / $TICK;
		3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3755
		3756	if (0) {
		3757	if ($NEXT_TICK) {
		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
		3762	}
		3763	}
		3764
		3765	{
		3766	# configure BDB
		3767
		3768	BDB::min_parallel 8;
		3769	BDB::max_poll_reqs $TICK * 0.1;
		3770	$Coro::BDB::WATCHER->priority (1);
		3771
		3772	unless ($DB_ENV) {
		3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3778
		3779	cf::sync_job {
		3780	eval {
		3781	BDB::db_env_open
		3782	$DB_ENV,
		3783	$BDBDIR,
		3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3786	0666;
		3787
		3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3789	};
		3790
		3791	cf::cleanup "db_env_open(db): $@" if $@;
		3792	};
		3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
		3804	}
		3805
		3806	{
		3807	# configure IO::AIO
		3808
		3809	IO::AIO::min_parallel 8;
		3810	IO::AIO::max_poll_time $TICK * 0.1;
		3811	$Coro::AIO::WATCHER->priority (1);
		3812	}
		3813
		3814	my $_log_backtrace;
		3815
		3816	sub _log_backtrace {
		3817	my ($msg, @addr) = @_;
		3818
		3819	$msg =~ s/\n//;
		3820
		3821	# limit the # of concurrent backtraces
		3822	if ($_log_backtrace < 2) {
		3823	++$_log_backtrace;
		3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
		3827	my @bt = fork_call {
		3828	@addr = map { sprintf "%x", $_ } @addr;
		3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3831	or die "addr2line: $!";
		3832
		3833	my @funcs;
		3834	my @res = <$fh>;
		3835	chomp for @res;
		3836	while (@res) {
		3837	my ($func, $line) = splice @res, 0, 2, ();
		3838	push @funcs, "[$func] $line";
		3839	}
		3840
		3841	@funcs
		3842	};
		3843
		3844	LOG llevInfo, "[ABT] $msg\n";
		3845	LOG llevInfo, "[ABT] $_\n" for @bt;
		3846	--$_log_backtrace;
		3847	};
		3848	} else {
		3849	LOG llevInfo, "[ABT] $msg\n";
		3850	LOG llevInfo, "[ABT] [suppressed]\n";
		3851	}
		3852	}
		3853
		3854	# load additional modules
		3855	use cf::pod;
2580		3856
2581	END { cf::emergency_save }	3857	END { cf::emergency_save }
2582		3858
2583	1	3859	1
2584		3860

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