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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 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 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	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(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	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
113	every server tick.	154	every server tick.
114		155
115	=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
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	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
136	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
137	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.
138	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.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	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#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		239
163	# 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
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$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;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	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
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($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#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
278	};	428	}
279	$TICK_WATCHER->stop;	429	};
280	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
281	}	443	}
282		444
283	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
284		446
285	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		452
291	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
292		454
293	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
294		456
295	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
298		461
299	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
302	fast or be very important.	465	fast or be very important.
…		…
305		468
306	sub sync_job(&) {	469	sub sync_job(&) {
307	my ($job) = @_;	470	my ($job) = @_;
308		471
309	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
310	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
312		477
313	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	479
315	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
316		481
317	my $busy = 1;	482	my $busy = 1;
318	my @res;	483	my @res;
319		484
320	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	487	@res = eval { $job->() };
322	warn $@ if $@;	488	warn $@ if $@;
323	undef $busy;	489	undef $busy;
324	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
325		491
326	while ($busy) {	492	while ($busy) {
327	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
328	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
329		503
330	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
331	} else {	505	} else {
332	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
333		507
…		…
353	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
354		528
355	$coro	529	$coro
356	}	530	}
357		531
358	sub write_runtime {	532	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		533
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
362	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.
363		538
364	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		540
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
369	and return;	542	my ($cb, @args) = @_;
370		543
371	# always fsync - this file is important	544	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	545	# otherwise perl prematurely frees the stuff :/
373	and return;	546	# TODO: investigate and fix (likely this will be rather laborious)
374		547
375	close $fh	548	my @res = Coro::Util::fork_eval {
376	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
377		552
378	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
379	and return;	554	}
380		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
381	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
382	}	719	}
383		720
384	=back	721	=back
385		722
386	=cut	723	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
395		732
396	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>
397	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
398	crossfire+).	735	Deliantra).
399		736
400	=over 4	737	=over 4
401		738
402	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
403		740
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
567		904
568	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		909
573	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	911	my $pkg = shift @arg;
575		912
576	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
606	}	943	}
607		944
608	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
609	} else {	946	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	948	}
612		949
613	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
614	}	951	}
615		952
…		…
617	if (ref $_[0]) {	954	if (ref $_[0]) {
618	_object_attach @_;	955	_object_attach @_;
619	} else {	956	} else {
620	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
621	}	958	}
		959	_recalc_want;
622	};	960	};
623		961
624	# all those should be optimised	962	# all those should be optimised
625	sub cf::attachable::detach {	963	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
630	reattach ($obj);	968	reattach ($obj);
631	} else {	969	} else {
632	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
633	}	971	}
		972	_recalc_want;
634	};	973	};
635		974
636	sub cf::attachable::attached {	975	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
638		977
…		…
653	";	992	";
654	die if $@;	993	die if $@;
655	}	994	}
656		995
657	our $override;	996	our $override;
658	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?
659		998
660	sub override {	999	sub override {
661	$override = 1;	1000	$override = 1;
662	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
663	}	1002	}
664		1003
665	sub do_invoke {	1004	sub do_invoke {
666	my $event = shift;	1005	my $event = shift;
667	my $callbacks = shift;	1006	my $callbacks = shift;
668		1007
669	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
670		1009
671	local $override;	1010	local $override;
672		1011
673	for (@$callbacks) {	1012	for (@$callbacks) {
674	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
683	}	1022	}
684		1023
685	0	1024	0
686	}	1025	}
687		1026
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1028
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1030
692	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
693		1032
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1036
698	=back	1037	=back
699		1038
700	=cut	1039	=cut
701		1040
702	#############################################################################	1041	#############################################################################
703	# 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, $ob2
		1084	}
704		1085
705	sub reattach {	1086	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1088	my ($obj) = @_;
708		1089
…		…
729	cf::attachable->attach (	1110	cf::attachable->attach (
730	prio => -1000000,	1111	prio => -1000000,
731	on_instantiate => sub {	1112	on_instantiate => sub {
732	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
733		1114
734	$data = from_json $data;	1115	$data = decode_json $data;
735		1116
736	for (@$data) {	1117	for (@$data) {
737	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
738		1119
739	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1136	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
757		1138
758	sync_job {	1139	sync_job {
759	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
762		1144
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1149	aio_close $fh;
768		1150
769	if (@$objs) {	1151	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1157	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
777	}	1159	}
778	} else {	1160	} else {
779	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
780	}	1162	}
…		…
785	}	1167	}
786	} else {	1168	} else {
787	aio_unlink $filename;	1169	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
789	}	1171	}
790	}	1172	};
791	}	1173	}
792		1174
793	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
795		1177
…		…
807	or return;	1189	or return;
808		1190
809	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
811	or return;	1193	or return;
		1194
812	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
813	}	1197	}
814		1198
		1199	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
817	return ($data, $av);	1203	($data, $av)
818	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
819		1211
820	#############################################################################	1212	#############################################################################
821	# command handling &c	1213	# command handling &c
822		1214
823	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1229	}
838		1230
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1232
841	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.
842		1238
843	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
844	called.	1240	called.
845		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
846	=cut	1253	=cut
847		1254
848	sub register_extcmd {	1255	sub register_extcmd {
849	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
850		1257
851	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
852	}	1265	}
853		1266
854	cf::player->attach (	1267	cf::player->attach (
855	on_command => sub {	1268	on_command => sub {
856	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1278	cf::override;
866	},	1279	},
867	on_extcmd => sub {	1280	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
869		1282
870	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1284
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
878	} else {	1300	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1302	}
881		1303
882	cf::override;	1304	cf::override;
883	},	1305	},
884	);	1306	);
885		1307
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
921	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1313	next unless -r $path;
923	eval {	1314
924	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	$progress = 1;
925	1	1371	}
926	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
927	}	1377	};
928	}	1378	}
929		1379
930	#############################################################################	1380	#############################################################################
931		1381
		1382	=back
		1383
932	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
933		1385
934	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
935		1387
936	=cut	1388	=cut
…		…
941		1393
942	=head3 cf::player	1394	=head3 cf::player
943		1395
944	=over 4	1396	=over 4
945		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
946	=item cf::player::find $login	1412	=item cf::player::find $login
947		1413
948	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
949		1415
950	=cut	1416	=cut
951		1417
952	sub playerdir($) {	1418	sub playerdir($) {
953	cf::localdir	1419	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1421	}
959		1422
960	sub path($) {	1423	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1425
963	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
964	}	1427	}
965		1428
966	sub find_active($) {	1429	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1444	my $login = $_[0];
982		1445
983	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
984		1447
985	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
989	}	1465	}
990	}	1466	}
991	}	1467	}
992		1468
…		…
1001	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1002		1478
1003	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1005		1481
		1482	cf::get_slot 0.01;
		1483
1006	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1007	Coro::cede;	1485	cf::cede_to_tick;
1008	}	1486	}
1009		1487
1010	sub new($) {	1488	sub new($) {
1011	my ($login) = @_;	1489	my ($login) = @_;
1012		1490
…		…
1018	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1019		1497
1020	$self	1498	$self
1021	}	1499	}
1022		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
1023	=item $pl->quit_character	1511	=item $pl->quit_character
1024		1512
1025	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1027		1515
1028	=cut	1516	=cut
1029		1517
1030	sub quit_character {	1518	sub quit_character {
1031	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1032		1522
1033	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1034	$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
1035		1525
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1557	}
1048		1558
1049	=item cf::player::list_logins	1559	=item cf::player::list_logins
1050		1560
1051	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
1052	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1053		1563
1054	=cut	1564	=cut
1055		1565
1056	sub list_logins {	1566	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1568	or return [];
1059		1569
1060	my @logins;	1570	my @logins;
1061		1571
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1066		1582
1067	utf8::decode $login;	1583	utf8::decode $login;
1068	push @logins, $login;	1584	push @logins, $login;
1069	}	1585	}
1070		1586
…		…
1097	}	1613	}
1098		1614
1099	\@paths	1615	\@paths
1100	}	1616	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1103		1712
1104	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1105		1714
1106	=cut	1715	=cut
1107		1716
1108	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1110		1719
1111	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1721	}
1115		1722
1116	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	}
1117		1763
1118	=back	1764	=back
1119
1120		1765
1121	=head3 cf::map	1766	=head3 cf::map
1122		1767
1123	=over 4	1768	=over 4
1124		1769
…		…
1136	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1138		1783
1139	sub generate_random_map {	1784	sub generate_random_map {
1140	my ($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
1141	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1790	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1180		1828
1181	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1182	local $self->{path};	1830	local $self->{path};
1183	local $self->{load_path};	1831	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1832
1187	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1188	}	1834	}
1189		1835
1190	sub normalise {	1836	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1238	return $self;	1884	return $self;
1239	}	1885	}
1240	}	1886	}
1241		1887
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1889	()
1244	}	1890	}
1245		1891
1246	sub init {	1892	sub init {
1247	my ($self) = @_;	1893	my ($self) = @_;
…		…
1262		1908
1263	# the original (read-only) location	1909	# the original (read-only) location
1264	sub load_path {	1910	sub load_path {
1265	my ($self) = @_;	1911	my ($self) = @_;
1266		1912
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1268	}	1914	}
1269		1915
1270	# the temporary/swap location	1916	# the temporary/swap location
1271	sub save_path {	1917	sub save_path {
1272	my ($self) = @_;	1918	my ($self) = @_;
1273		1919
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1276	}	1922	}
1277		1923
1278	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1279	sub uniq_path {	1925	sub uniq_path {
1280	my ($self) = @_;	1926	my ($self) = @_;
1281		1927
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1284	}	1930	}
1285		1931
1286	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1287	# all maps in C++...	1933	# all maps in C++...
1288	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1290		1936
1291	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1293	}	1939	}
1294		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1295	sub unlink_save {	1949	sub unlink_save {
1296	my ($self) = @_;	1950	my ($self) = @_;
1297		1951
1298	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1956
1303	sub load_header_from($) {	1957	sub load_header_from($) {
1304	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1305		1959
1306	utf8::encode $path;	1960	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	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;
1312		1969
1313	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1314		1971
1315	1	1972	1
1316	}	1973	}
…		…
1355	$self->load_header_orig	2012	$self->load_header_orig
1356	or return;	2013	or return;
1357	$self->prepare_orig;	2014	$self->prepare_orig;
1358	}	2015	}
1359		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 $self->default_region;
		2022
1360	1	2023	1
1361	}	2024	}
1362		2025
1363	sub find;	2026	sub find;
1364	sub find {	2027	sub find {
1365	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1366		2029
1367	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1368		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1370		2034
1371	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1372	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
1373	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1374	or return;	2040	or return;
1375		2041
1376	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1377		2043
1378	$map->load_header	2044	$map->load_header
1379	or return;	2045	or return;
1380		2046
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1384	$map->reset;	2052	$map->reset;
1385	undef $guard;
1386	return find $path;	2053	return find $path;
1387	}	2054	}
1388		2055
1389	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1390	}	2057	}
…		…
1397	my ($self) = @_;	2064	my ($self) = @_;
1398		2065
1399	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1400		2067
1401	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1403		2072
		2073	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2075
1406	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1407		2077
1408	$self->alloc;	2078	$self->alloc;
1409		2079
1410	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1411		2082
1412	$self->_load_objects ($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)
1413	or return;	2086	or return;
1414		2087
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	2089	if delete $self->{load_original};
1417		2090
1418	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2092	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2095	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1423	}	2099	}
1424	}	2100	}
1425		2101
1426	Coro::cede;	2102	$f->resolve_delayed_derefs;
1427		2103
		2104	cf::cede_to_tick;
1428	# now do the right thing for maps	2105	# now do the right thing for maps
1429	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2108	unless $self->difficulty;
1439	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($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;
1440	$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);
1441	}	2125	}
1442		2126
1443	$self->post_load;	2127	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2128	}
1447		2129
1448	sub customise_for {	2130	sub customise_for {
1449	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1450		2132
1451	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2134	if $self->per_player;
1453		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1454	$self	2139	$self
1455	}	2140	}
1456		2141
1457	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2143	sub load_neighbours {
1459	my ($map) = @_;	2144	my ($map) = @_;
1460		2145
1461	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1462		2147
1463	for (0 .. 3) {	2148	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1465	or next;	2150	or next;
1466	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1467	or next;	2152	or next;
1468	$neigh->load;	2153	$neigh->load;
1469		2154
		2155	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2158	}
1473		2159
1474	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1476	or next;	2163	or next;
1477	$neigh->load;	2164	$neigh->load;
1478	}	2165	}
1479	}	2166	}
1480		2167
…		…
1485	}	2172	}
1486		2173
1487	sub do_load_sync {	2174	sub do_load_sync {
1488	my ($map) = @_;	2175	my ($map) = @_;
1489		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1490	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1491	}	2181	}
1492		2182
1493	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1495		2185
1496	sub find_async {	2186	sub find_async {
1497	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1498		2188
1499	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1500		2190
1501	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2193	}
1504		2194
1505	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1506	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1507	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2202	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2203	$map->load if $v;
		2204	}
1512		2205
1513	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1514	}	2207	}
1515	}	2208	}
1516	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1517	};	2210	};
1518	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2214	}
1522		2215
1523	sub save {	2216	sub save {
1524	my ($self) = @_;	2217	my ($self) = @_;
1525		2218
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2220
1528	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1529		2222
1530	return unless $self->dirty;	2223	return unless $self->dirty;
1531		2224
…		…
1537	return if $self->{deny_save};	2230	return if $self->{deny_save};
1538		2231
1539	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1540		2233
1541	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1543	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1544		2240
1545	if ($uniq) {	2241	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2244	} else {
…		…
1554	my ($self) = @_;	2250	my ($self) = @_;
1555		2251
1556	# save first because save cedes	2252	# save first because save cedes
1557	$self->save;	2253	$self->save;
1558		2254
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2256
1561	return if $self->players;	2257	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2259	return if $self->{deny_save};
1564		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2265	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2266	}
1568		2267
1569	sub reset_at {	2268	sub reset_at {
1570	my ($self) = @_;	2269	my ($self) = @_;
1571		2270
1572	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1575		2273
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2276
…		…
1589	my ($self) = @_;	2287	my ($self) = @_;
1590		2288
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2290
1593	return if $self->players;	2291	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2292
1596	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1597		2294
1598	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1599		2296
1600	# need to save uniques path	2297	# need to save uniques path
1601	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2302	if $uniq;
1606	}	2303	}
1607		2304
1608	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1609		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2309	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2310
1614	$self->unlink_save;	2311	$self->unlink_save;
1615	$self->destroy;	2312	$self->destroy;
1616	}	2313	}
1617		2314
1618	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1619		2316
1620	sub nuke {	2317	sub nuke {
1621	my ($self) = @_;	2318	my ($self) = @_;
1622		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1623	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1624		2324
1625	$self->unlink_save;	2325	$self->unlink_save;
1626		2326
1627	bless $self, "cf::map";	2327	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2332
1633	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1634		2335
1635	$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	]
1636	}	2373	}
1637		2374
1638	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1639		2376
1640	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2378	instantiated unique items. May block.
1642		2379
1643	=cut	2380	=cut
1644		2381
1645	sub unique_maps() {	2382	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1647	or return;	2384	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2385	utf8::decode $_;
1653	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2388	? ()
1656	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2391	]
1658
1659	\@paths
1660	}	2392	}
1661
1662	package cf;
1663		2393
1664	=back	2394	=back
1665		2395
1666	=head3 cf::object	2396	=head3 cf::object
1667		2397
…		…
1671		2401
1672	=over 4	2402	=over 4
1673		2403
1674	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1675		2405
1676	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.
1677		2408
1678	=cut	2409	=cut
1679		2410
1680	sub inv_recursive_;	2411	sub inv_recursive_;
1681	sub inv_recursive_ {	2412	sub inv_recursive_ {
1682	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1683	}	2414	}
1684		2415
1685	sub inv_recursive {	2416	sub inv_recursive {
1686	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	}
1687	}	2446	}
1688		2447
1689	package cf;	2448	package cf;
1690		2449
1691	=back	2450	=back
…		…
1710		2469
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2471
1713	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1718	}	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 (@_);
1719	}	2497	}
1720		2498
1721	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1722		2500
1723	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1771		2549
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2551
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1776		2554
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2556	}
1779		2557
1780	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1782		2562
1783	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1784		2564
1785	unless ($map) {	2565	unless ($map) {
1786	# restore original map position	2566	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1803		2583
1804	$map->load;	2584	$map->load;
1805	$map->load_diag;	2585	$map->load_neighbours;
1806		2586
1807	return unless $self->contr->active;	2587	return unless $self->contr->active;
1808	$self->activate_recursive;	2588	$self->activate_recursive;
1809		2589
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1812	}	2592	}
1813		2593
1814	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2595
1818	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1822	};	2600	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2601
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1849		2605
1850	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1851	my ($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;
1852		2611
1853	$self->enter_link;	2612	$self->enter_link;
1854		2613
1855	(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
1856	my $map = eval {	2636	my $map = eval {
1857	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1858	$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
1859	$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 $@;
1860	} or	2652	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1864	})->prio (1);	2660	})->prio (1);
1865	}	2661	}
1866		2662
1867	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
1868		2664
…		…
1905	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
1906	}	2702	}
1907		2703
1908	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
1909		2705
1910	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
1913		2709
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2712	undef $fh;
1917	aio_rename "$meta~", $meta;	2713	aio_rename "$meta~", $meta;
…		…
1926		2722
1927	return unless $self->type == cf::PLAYER;	2723	return unless $self->type == cf::PLAYER;
1928		2724
1929	if ($exit->slaying eq "/!") {	2725	if ($exit->slaying eq "/!") {
1930	#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
1931	cf::sync_job { prepare_random_map $exit };	2729	cf::sync_job { prepare_random_map $exit };
1932	}	2730	}
1933		2731
1934	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;
1935	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
1937		2735
1938	$self->enter_link;	2736	$self->enter_link;
1939		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
1940	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
1941	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2746	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
1944		2748
1945	1;	2749	1;
1946	}) {	2750	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2751	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "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. "
1949	. "Please report this to the dungeon master!",	2753	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2754	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2755
1952	warn "ERROR in enter_exit: $@";	2756	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2757	$self->leave_link;
1954	}	2758	}
1955	})->prio (1);	2759	})->prio (1);
…		…
1968		2772
1969	sub cf::client::send_drawinfo {	2773	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2774	my ($self, $text, $flags) = @_;
1971		2775
1972	utf8::encode $text;	2776	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2778	}
1975		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	}
1976		2944
1977	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
1978		2946
1979	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
1980	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>,
1981	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>.
1982		2950
1983	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
1984	reliable at some point in the future.	2952	become reliable at some point in the future.
1985		2953
1986	=cut	2954	=cut
1987		2955
1988	sub cf::client::query {	2956	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2965	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2967
2000	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2002	}	2972	}
2003		2973
2004	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2005	on_reply => sub {	2980	on_reply => sub {
2006	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2007		2982
2008	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2009	# get handled first	2984	# get handled first
…		…
2021	} else {	2996	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2998	}
2024	}	2999	}
2025	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($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	},
2026	);	3027	);
2027		3028
2028	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2029		3030
2030	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2073		3074
2074	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2075		3076
2076	$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	));
2077		3082
2078	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2079		3084
2080	=pod	3085	=pod
2081		3086
2082	The following fucntions and emthods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2083		3088
2084	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
2085	cf::object::player player	3093	cf::object::player
2086	cf::player peaceful	3094	player
2087	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2088		3101
2089	=cut	3102	=cut
2090		3103
2091	for (	3104	for (
2092	["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)],
2093	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2096	) {	3111	) {
2097	no strict 'refs';	3112	no strict 'refs';
…		…
2168	=back	3183	=back
2169		3184
2170	=cut	3185	=cut
2171		3186
2172	#############################################################################	3187	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3188	# the server's init and main functions
2246		3189
		3190	sub load_facedata($) {
		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, $v);
		3322	}
		3323	};
		3324
2247	sub load_resources {	3325	sub load_resource_file($) {
2248	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"
2249	or die "unable to load regions file\n";#d#	3341	or die "unable to load regions file\n";
2250	}
2251		3342
2252	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 {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3383	or return;
2255		3384
2256	local $/;	3385	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2258		3387
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3389
2261	$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};
2262	$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};
…		…
2268	};	3397	};
2269	warn $@ if $@;	3398	warn $@ if $@;
2270	}	3399	}
2271	}	3400	}
2272		3401
2273	sub init {
2274	load_resources;
2275	}
2276
2277	sub main {	3402	sub main {
2278	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2280	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#
2281	(async {	3406	(async {
2282	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2284	};	3410	};
2285		3411
2286	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2287	db_init;	3415	db_init;
2288	load_extensions;	3416	load_extensions;
2289		3417
2290	$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
2291	Event::loop;	3422	EV::loop;
2292	}	3423	}
2293		3424
2294	#############################################################################	3425	#############################################################################
2295	# initialisation and cleanup	3426	# initialisation and cleanup
2296		3427
2297	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2298	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2307	},
2308	);	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
2309	}	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 };
2310	}	3517	}
2311		3518
2312	sub emergency_save() {	3519	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2314		3521
…		…
2320	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3533	$pl->save;
2326	}	3534	}
2327	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2328		3536
2329	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2335	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2336		3544
2337	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	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";
2340	};	3552	};
2341		3553
2342	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2343	}	3555	}
2344		3556
…		…
2347		3559
2348	warn Carp::longmess "post_cleanup backtrace"	3560	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3561	if $make_core;
2350	}	3562	}
2351		3563
2352	sub reload() {	3564	sub do_reload_perl() {
2353	# can/must only be called in main	3565	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3566	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3567	warn "can only reload from main coroutine";
2356	return;	3568	return;
2357	}	3569	}
…		…
2359	warn "reloading...";	3571	warn "reloading...";
2360		3572
2361	warn "entering sync_job";	3573	warn "entering sync_job";
2362		3574
2363	cf::sync_job {	3575	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3577	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2367		3579
2368	warn "syncing database to disk";	3580	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3582
2371	# 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
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377		3584
2378	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2379	for (;;) {	3586	for (;;) {
2380	BDB::flush;	3587	BDB::flush;
2381	IO::AIO::flush;	3588	IO::AIO::flush;
2382	Coro::cede;	3589	Coro::cede_notself;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3591	warn "iterate...";
2385	}	3592	}
		3593
		3594	++$RELOAD;
2386		3595
2387	warn "cancelling all extension coros";	3596	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3597	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3598	%EXT_CORO = ();
2390		3599
2391	warn "removing commands";	3600	warn "removing commands";
2392	%COMMAND = ();	3601	%COMMAND = ();
2393		3602
2394	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2396		3606
2397	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2400		3610
…		…
2430	Symbol::delete_package "safe::$_"	3640	Symbol::delete_package "safe::$_"
2431	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);
2432		3642
2433	warn "unloading cf.pm \"a bit\"";	3643	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3644	delete $INC{"cf.pm"};
		3645	delete $INC{"cf/pod.pm"};
2435		3646
2436	# don't, removes xs symbols, too,	3647	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3648	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3649	#Symbol::delete_package __PACKAGE__;
2439		3650
…		…
2442	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2443	require cf;	3654	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3656
2446	warn "loading config and database again";	3657	warn "loading config and database again";
2447	cf::cfg_load;	3658	cf::reload_config;
2448		3659
2449	warn "loading extensions";	3660	warn "loading extensions";
2450	cf::load_extensions;	3661	cf::load_extensions;
2451		3662
2452	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3664	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3665	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3666	reattach $_ for values %MAP;
2456		3667	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3668	reattach $_ for values %PLAYER;
2458	load_resources;
2459		3669
2460	warn "leaving sync_job";	3670	warn "leaving sync_job";
2461		3671
2462	1	3672	1
2463	} or do {	3673	} or do {
2464	warn $@;	3674	warn $@;
2465	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2466	exit 1;
2467	};	3676	};
2468		3677
2469	warn "reloaded";	3678	warn "reloaded";
2470	};	3679	};
2471		3680
2472	our $RELOAD_WATCHER; # used only during reload	3681	our $RELOAD_WATCHER; # used only during reload
2473		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
2474	register_command "reload" => sub {	3693	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2476		3695
2477	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
2479		3698	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3699	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3700	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3701	};
2492	}	3702	}
2493	};	3703	};
2494		3704
2495	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2496		3706
2497	my $bug_warning = 0;	3707	my $bug_warning = 0;
2498		3708
2499	$TICK_WATCHER = Event->timer (	3709	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3710	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3711
2502	prio => 0,	3712	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3714
2505	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 {
2506	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2507	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"
2508	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2509	return;	3732	return;
2510	}	3733	}
2511		3734
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3736
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3741	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3743	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3744	}
2539	);	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	}
2540		3764
2541	{	3765	{
2542	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3767
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
2552		3769	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3771
2568	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	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);
2570		3778
2571	cf::sync_job {	3779	cf::sync_job {
2572	eval {	3780	eval {
2573	BDB::db_env_open	3781	BDB::db_env_open
2574	$DB_ENV,	3782	$DB_ENV,
2575	$BDB_ENV_DIR,	3783	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3786	0666;
2579		3787
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3789	};
2585		3790
2586	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3792	};
2588	}	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	};
2589	}	3804	}
2590		3805
2591	{	3806	{
		3807	# configure IO::AIO
		3808
2592	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	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;
2605		3856
2606	END { cf::emergency_save }	3857	END { cf::emergency_save }
2607		3858
2608	1	3859	1
2609		3860

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