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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	109	our $NEXT_TICK;
50	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
51		116
52	our %CFG;	117	our %CFG;
53		118
54	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
56		122
57	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	125	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		126
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	127	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
64		138
65	binmode STDOUT;	139	binmode STDOUT;
66	binmode STDERR;	140	binmode STDERR;
67		141
68	# read virtual server time, if available	142	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
73	}	147	}
74		148
75	mkdir cf::localdir;	149	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		151
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
84		155
85	#############################################################################	156	#############################################################################
86		157
87	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
88		159
…		…
95	=item $cf::RUNTIME	166	=item $cf::RUNTIME
96		167
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	169	every server tick.
99		170
100	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		174
102	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
104		179
105	=item $cf::NOW	180	=item $cf::NOW
106		181
107	The time of the last (current) server tick.	182	The time of the last (current) server tick.
108		183
109	=item $cf::TICK	184	=item $cf::TICK
110		185
111	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
112		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
113	=item %cf::CFG	198	=item %cf::CFG
114		199
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	201	from wherever your confdir points to.
117		202
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		204
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
124		214
125	=back	215	=back
126		216
127	=cut	217	=cut
128		218
129	BEGIN {	219	BEGIN {
130	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	221	my $msg = join "", @_;
132	utf8::encode $msg;
133		222
134	$msg .= "\n"	223	$msg .= "\n"
135	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
136		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
137	LOG llevError, $msg;	228	LOG llevError, $msg;
138	};	229	};
139	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
140		246
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		254
148	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	256	# within the Safe compartment.
150	for my $pkg (qw(	257	for my $pkg (qw(
151	cf::global cf::attachable	258	cf::global cf::attachable
152	cf::object cf::object::player	259	cf::object cf::object::player
153	cf::client cf::player	260	cf::client cf::player
154	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
155	cf::map cf::party cf::region	263	cf::party cf::region
156	)) {	264	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	266	}
160		267
161	$Event::DIED = sub {	268	$EV::DIED = sub {
162	warn "error in event callback: @_";	269	warn "error in event callback: @_";
163	};	270	};
		271
		272	#############################################################################
164		273
165	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
166		275
167	=over 4	276	=over 4
168		277
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	297	$d
189	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
190	}	299	}
191		300
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
195		302
196	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
197		304
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
206		306
207	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
208		308
209	=cut	309	=cut
210		310
211	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
213	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
214	}	328	}
215		329
216	=item cf::lock_wait $string	330	=item cf::lock_wait $string
217		331
218	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
219		333
220	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
221		335
222	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
225	returned.	339	returned.
226		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
227	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
229		346
230	=cut	347	=item $locked = cf::lock_active $string
231		348
232	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
233		354
234	sub lock_wait($) {	355	sub lock_wait($) {
235	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	357	}
243		358
244	sub lock_acquire($) {	359	sub lock_acquire($) {
245	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
246		362
247	# wait, to be sure we are not locked	363	sub lock_active($) {
248	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	365	}
257		366
258	sub freeze_mainloop {	367	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
260		369
261	my $guard = Coro::guard { $TICK_WATCHER->start };	370	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	371	}
263	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
264	}	446	}
265		447
266	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
267		449
268	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		455
274	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
275		457
276	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
277		459
278	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
281		464
282	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
285	fast or be very important.	468	fast or be very important.
…		…
288		471
289	sub sync_job(&) {	472	sub sync_job(&) {
290	my ($job) = @_;	473	my ($job) = @_;
291		474
292	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
293	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
295		480
296	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	482
298	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
299		484
300	my $busy = 1;	485	my $busy = 1;
301	my @res;	486	my @res;
302		487
303	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	490	@res = eval { $job->() };
305	warn $@ if $@;	491	warn $@ if $@;
306	undef $busy;	492	undef $busy;
307	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
308		494
309	while ($busy) {	495	while ($busy) {
310	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
311	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
312		506
313	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
314	} else {	508	} else {
315	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
316		510
…		…
336	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
337		531
338	$coro	532	$coro
339	}	533	}
340		534
341	sub write_runtime {	535	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		536
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
345	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
346		541
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		543
351	aio_fsync $fh	544	sub fork_call(&@) {
352	and return;	545	my ($cb, @args) = @_;
353		546
354	close $fh	547	# we seemingly have to make a local copy of the whole thing,
355	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
356		550
357	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
358	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
359		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
360	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	722	}
362		723
363	=back	724	=back
364		725
365	=cut	726	=cut
366		727
367	#############################################################################	728	#############################################################################
368		729
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
525		731
526	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
529		735
530	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	738	Deliantra).
533		739
534	=over 4	740	=over 4
535		741
536	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
537		743
…		…
581	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
582		788
583	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
585		791
586	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
588		794
589	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
590		796
591	=over 4	797	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	858	our @CB_MAP = ();
653		859
654	my %attachment;	860	my %attachment;
655		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
656	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
658		870
659	use sort 'stable';	871	use sort 'stable';
660		872
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
695		907
696	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		912
701	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	914	my $pkg = shift @arg;
703		915
704	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
734	}	946	}
735		947
736	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
737	} else {	949	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	951	}
740		952
741	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
742	}	954	}
743		955
…		…
745	if (ref $_[0]) {	957	if (ref $_[0]) {
746	_object_attach @_;	958	_object_attach @_;
747	} else {	959	} else {
748	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
749	}	961	}
		962	_recalc_want;
750	};	963	};
751		964
752	# all those should be optimised	965	# all those should be optimised
753	sub cf::attachable::detach {	966	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
758	reattach ($obj);	971	reattach ($obj);
759	} else {	972	} else {
760	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
761	}	974	}
		975	_recalc_want;
762	};	976	};
763		977
764	sub cf::attachable::attached {	978	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
766		980
…		…
781	";	995	";
782	die if $@;	996	die if $@;
783	}	997	}
784		998
785	our $override;	999	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1001
788	sub override {	1002	sub override {
789	$override = 1;	1003	$override = 1;
790	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
791	}	1005	}
792		1006
793	sub do_invoke {	1007	sub do_invoke {
794	my $event = shift;	1008	my $event = shift;
795	my $callbacks = shift;	1009	my $callbacks = shift;
796		1010
797	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
798		1012
799	local $override;	1013	local $override;
800		1014
801	for (@$callbacks) {	1015	for (@$callbacks) {
802	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
811	}	1025	}
812		1026
813	0	1027	0
814	}	1028	}
815		1029
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1031
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1033
820	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
821		1035
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1039
826	=back	1040	=back
827		1041
828	=cut	1042	=cut
829		1043
830	#############################################################################	1044	#############################################################################
831	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
832		1088
833	sub reattach {	1089	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1095
837	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
838		1097
839	@$registry = ();	1098	@$registry = ();
840		1099
…		…
855	cf::attachable->attach (	1114	cf::attachable->attach (
856	prio => -1000000,	1115	prio => -1000000,
857	on_instantiate => sub {	1116	on_instantiate => sub {
858	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
859		1118
860	$data = from_json $data;	1119	$data = decode_json $data;
861		1120
862	for (@$data) {	1121	for (@$data) {
863	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
864		1123
865	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1140	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
883		1142
884	sync_job {	1143	sync_job {
885	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
888		1148
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1153	aio_close $fh;
894		1154
895	if (@$objs) {	1155	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1161	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
903	}	1163	}
904	} else {	1164	} else {
905	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
906	}	1166	}
907		1167
908	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1172	} else {
910	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
911	}	1174	}
912	} else {	1175	} else {
913	aio_unlink $filename;	1176	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
915	}	1178	}
916	}	1179	};
917	}	1180	}
918		1181
919	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
921		1184
…		…
933	or return;	1196	or return;
934		1197
935	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
937	or return;	1200	or return;
		1201
938	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
939	}	1204	}
940		1205
		1206	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
943	return ($data, $av);	1210	($data, $av)
944	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
945		1218
946	#############################################################################	1219	#############################################################################
947	# command handling &c	1220	# command handling &c
948		1221
949	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1236	}
964		1237
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1239
967	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
968		1245
969	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
970	called.	1247	called.
971		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
972	=cut	1260	=cut
973		1261
974	sub register_extcmd {	1262	sub register_extcmd {
975	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
976		1264
977	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
978	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
979		1275
980	cf::player->attach (	1276	cf::player->attach (
981	on_command => sub {	1277	on_command => sub {
982	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
983		1279
…		…
991	cf::override;	1287	cf::override;
992	},	1288	},
993	on_extcmd => sub {	1289	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
995		1291
996	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1293
998	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1004	} else {	1309	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1311	}
1007		1312
1008	cf::override;	1313	cf::override;
1009	},	1314	},
1010	);	1315	);
1011		1316
		1317	# "readahead" all extensions
1012	sub load_extension {	1318	sub cache_extensions {
1013	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
1014		1320
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1016	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1324	}
1019	$pkg = "ext::$pkg";	1325	};
1020		1326
1021	warn "... loading '$path' into '$pkg'\n";	1327	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1328	}
1038		1329
1039	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
1040	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1335	next unless -r $path;
1042	eval {	1336
1043	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
1044	1	1393	}
1045	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
1046	}	1399	};
1047	}	1400	}
1048		1401
1049	#############################################################################	1402	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1403
1052	*cf::mapsupport::on_clean = sub {	1404	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1405
1065	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1066		1407
1067	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1068		1409
1069	=cut	1410	=cut
1070		1411
1071	package cf::player;	1412	package cf::player;
1072		1413
…		…
1074		1415
1075	=head3 cf::player	1416	=head3 cf::player
1076		1417
1077	=over 4	1418	=over 4
1078		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
1079	=item cf::player::find $login	1434	=item cf::player::find $login
1080		1435
1081	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1082		1437
1083	=cut	1438	=cut
1084		1439
1085	sub playerdir($) {	1440	sub playerdir($) {
1086	cf::localdir	1441	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1443	}
1092		1444
1093	sub path($) {	1445	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1447
1096	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
1097	}	1449	}
1098		1450
1099	sub find_active($) {	1451	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
1104		1456
1105	sub exists($) {	1457	sub exists($) {
1106	my ($login) = @_;	1458	my ($login) = @_;
1107		1459
1108	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1461	or !aio_stat path $login
1110	}	1462	}
1111		1463
1112	sub find($) {	1464	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1466	my $login = $_[0];
1115		1467
1116	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
1117		1469
1118	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1122	}	1487	}
1123	}	1488	}
1124	}	1489	}
1125		1490
…		…
1134	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1135		1500
1136	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1138		1503
		1504	cf::get_slot 0.01;
		1505
1139	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1140	Coro::cede;	1507	cf::cede_to_tick;
1141	}	1508	}
1142		1509
1143	sub new($) {	1510	sub new($) {
1144	my ($login) = @_;	1511	my ($login) = @_;
1145		1512
…		…
1151	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1152		1519
1153	$self	1520	$self
1154	}	1521	}
1155		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1156	=item $pl->quit_character	1533	=item $pl->quit_character
1157		1534
1158	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1160		1537
1161	=cut	1538	=cut
1162		1539
1163	sub quit_character {	1540	sub quit_character {
1164	my ($pl) = @_;	1541	my ($pl) = @_;
1165		1542
		1543	my $name = $pl->ob->name;
		1544
1166	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1547
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1172	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1173		1554
1174	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1179	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1180	}	1581	}
1181		1582
1182	=item cf::player::list_logins	1583	=item cf::player::list_logins
1183		1584
1184	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1186		1587
1187	=cut	1588	=cut
1188		1589
1189	sub list_logins {	1590	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1592	or return [];
1192		1593
1193	my @logins;	1594	my @logins;
1194		1595
1195	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1199		1606
1200	utf8::decode $login;	1607	utf8::decode $login;
1201	push @logins, $login;	1608	push @logins, $login;
1202	}	1609	}
1203		1610
1204	\@logins	1611	\@logins
1205	}	1612	}
1206		1613
1207	=item $player->maps	1614	=item $player->maps
1208		1615
1209	Returns an arrayref of cf::path's of all maps that are private for this	1616	Returns an arrayref of map paths that are private for this
1210	player. May block.	1617	player. May block.
1211		1618
1212	=cut	1619	=cut
1213		1620
1214	sub maps($) {	1621	sub maps($) {
1215	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1625
1217	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1218	or return;	1627	or return;
1219		1628
1220	my @paths;	1629	my @paths;
…		…
1222	for (@$files) {	1631	for (@$files) {
1223	utf8::decode $_;	1632	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1226		1635
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1636	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1637	}
1229		1638
1230	\@paths	1639	\@paths
1231	}	1640	}
1232		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1234		1647
1235	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1236		1649
1237	=cut	1650	=cut
1238		1651
1239	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1241		1654
1242	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1656	}
1246		1657
1247	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1248		1698
1249	=back	1699	=back
1250
1251		1700
1252	=head3 cf::map	1701	=head3 cf::map
1253		1702
1254	=over 4	1703	=over 4
1255		1704
…		…
1258	package cf::map;	1707	package cf::map;
1259		1708
1260	use Fcntl;	1709	use Fcntl;
1261	use Coro::AIO;	1710	use Coro::AIO;
1262		1711
		1712	use overload
		1713	'""' => \&as_string,
		1714	fallback => 1;
		1715
1263	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1265		1718
1266	sub generate_random_map {	1719	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1723
1269	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1725	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1729	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1730	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1731	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1732	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1733	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1734	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1735	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1736	(cf::region::find $rmp->{region}), $rmp->{custom}
		1737	)
1283	}	1738	}
1284		1739
1285	# and all this just because we cannot iterate over	1740	=item cf::map->register ($regex, $prio)
1286	# all maps in C++...
1287	sub change_all_map_light {
1288	my ($change) = @_;
1289		1741
1290	$_->change_map_light ($change)	1742	Register a handler for the map path matching the given regex at the
1291	for grep $_->outdoor, values %cf::MAP;	1743	givne priority (higher is better, built-in handlers have priority 0, the
1292	}	1744	default).
1293		1745
1294	sub load_map_header($) {	1746	=cut
		1747
		1748	sub register {
		1749	my (undef, $regex, $prio) = @_;
		1750	my $pkg = caller;
		1751
		1752	no strict;
		1753	push @{"$pkg\::ISA"}, __PACKAGE__;
		1754
		1755	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1756	}
		1757
		1758	# also paths starting with '/'
		1759	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1760
		1761	sub thawer_merge {
		1762	my ($self, $merge) = @_;
		1763
		1764	# we have to keep some variables in memory intact
		1765	local $self->{path};
		1766	local $self->{load_path};
		1767
		1768	$self->SUPER::thawer_merge ($merge);
		1769	}
		1770
		1771	sub normalise {
1295	my ($path) = @_;	1772	my ($path, $base) = @_;
		1773
		1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
		1777
		1778	# map plan:
		1779	#
		1780	# /! non-realised random map exit (special hack!)
		1781	# {... are special paths that are not being touched
		1782	# ?xxx/... are special absolute paths
		1783	# ?random/... random maps
		1784	# /... normal maps
		1785	# ~user/... per-player map of a specific user
		1786
		1787	$path =~ s/$PATH_SEP/\//go;
		1788
		1789	# treat it as relative path if it starts with
		1790	# something that looks reasonable
		1791	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1792	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1793
		1794	$base =~ s{[^/]+/?$}{};
		1795	$path = "$base/$path";
		1796	}
		1797
		1798	for ($path) {
		1799	redo if s{//}{/};
		1800	redo if s{/\.?/}{/};
		1801	redo if s{/[^/]+/\.\./}{/};
		1802	}
		1803
		1804	$path
		1805	}
		1806
		1807	sub new_from_path {
		1808	my (undef, $path, $base) = @_;
		1809
		1810	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1811
		1812	$path = normalise $path, $base;
		1813
		1814	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1815	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1816	my $self = bless cf::map::new, $pkg;
		1817	$self->{path} = $path; $self->path ($path);
		1818	$self->init; # pass $1 etc.
		1819	return $self;
		1820	}
		1821	}
		1822
		1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1824	()
		1825	}
		1826
		1827	sub init {
		1828	my ($self) = @_;
		1829
		1830	$self
		1831	}
		1832
		1833	sub as_string {
		1834	my ($self) = @_;
		1835
		1836	"$self->{path}"
		1837	}
		1838
		1839	# the displayed name, this is a one way mapping
		1840	sub visible_name {
		1841	&as_string
		1842	}
		1843
		1844	# the original (read-only) location
		1845	sub load_path {
		1846	my ($self) = @_;
		1847
		1848	"$MAPDIR/$self->{path}.map"
		1849	}
		1850
		1851	# the temporary/swap location
		1852	sub save_path {
		1853	my ($self) = @_;
		1854
		1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1856	"$TMPDIR/$path.map"
		1857	}
		1858
		1859	# the unique path, undef == no special unique path
		1860	sub uniq_path {
		1861	my ($self) = @_;
		1862
		1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1864	"$UNIQUEDIR/$path"
		1865	}
		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
		1875	sub unlink_save {
		1876	my ($self) = @_;
		1877
		1878	utf8::encode (my $save = $self->save_path);
		1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1881	}
		1882
		1883	sub load_header_from($) {
		1884	my ($self, $path) = @_;
1296		1885
1297	utf8::encode $path;	1886	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1299	or return;	1888	or return;
1300		1889
1301	my $map = cf::map::new	1890	$self->_load_header ($f)
1302	or return;	1891	or return;
1303		1892
1304	# for better error messages only, will be overwritten later	1893	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1894	$f->resolve_delayed_derefs;
1306		1895
1307	$map->load_header ($path)	1896	$self->{load_path} = $path;
		1897
		1898	1
		1899	}
		1900
		1901	sub load_header_orig {
		1902	my ($self) = @_;
		1903
		1904	$self->load_header_from ($self->load_path)
		1905	}
		1906
		1907	sub load_header_temp {
		1908	my ($self) = @_;
		1909
		1910	$self->load_header_from ($self->save_path)
		1911	}
		1912
		1913	sub prepare_temp {
		1914	my ($self) = @_;
		1915
		1916	$self->last_access ((delete $self->{last_access})
		1917	|| $cf::RUNTIME); #d#
		1918	# safety
		1919	$self->{instantiate_time} = $cf::RUNTIME
		1920	if $self->{instantiate_time} > $cf::RUNTIME;
		1921	}
		1922
		1923	sub prepare_orig {
		1924	my ($self) = @_;
		1925
		1926	$self->{load_original} = 1;
		1927	$self->{instantiate_time} = $cf::RUNTIME;
		1928	$self->last_access ($cf::RUNTIME);
		1929	$self->instantiate;
		1930	}
		1931
		1932	sub load_header {
		1933	my ($self) = @_;
		1934
		1935	if ($self->load_header_temp) {
		1936	$self->prepare_temp;
		1937	} else {
		1938	$self->load_header_orig
1308	or return;	1939	or return;
		1940	$self->prepare_orig;
		1941	}
1309		1942
1310	$map->{load_path} = $path;	1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
1311		1945
1312	$map	1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
		1949	1
1313	}	1950	}
1314		1951
1315	sub find;	1952	sub find;
1316	sub find {	1953	sub find {
1317	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1318		1955
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1957
1324	cf::lock_wait "map_find:$key";	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326	$cf::MAP{$key} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1328		1960
1329	# do it the slow way	1961	$cf::MAP{$path} || do {
1330	my $map = $path->load_temp;	1962	my $map = new_from_path cf::map $path
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1963	or return;
1343		1964
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1356		1966
1357	Coro::cede;	1967	$map->load_header
		1968	or return;
1358		1969
1359	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
		1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1360	$map->reset;	1975	$map->reset;
1361	undef $guard;
1362	$map = find $path	1976	return find $path;
1363	or return;
1364	}	1977	}
1365		1978
1366	$cf::MAP{$key} = $map	1979	$cf::MAP{$path} = $map
1367	}	1980	}
1368	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1369		1985
1370	sub load {	1986	sub load {
1371	my ($self) = @_;	1987	my ($self) = @_;
1372		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1373	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1994	my $guard = cf::lock_acquire "map_data:$path";
1375		1995
		1996	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		1998
1378	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1379		2000
1380	$self->alloc;	2001	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1382	or return;	2009	or return;
1383		2010
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1385	if delete $self->{load_original};	2012	if delete $self->{load_original};
1386		2013
1387	if (my $uniq = $path->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2015	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2018	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1392	}	2022	}
1393	}	2023	}
1394		2024
1395	Coro::cede;	2025	$f->resolve_delayed_derefs;
1396		2026
		2027	cf::cede_to_tick;
1397	# now do the right thing for maps	2028	# now do the right thing for maps
1398	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2031	unless $self->difficulty;
		2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1410	$self->activate;	2039	$self->activate;
1411	}	2040	}
1412		2041
1413	Coro::cede;	2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
1414		2044
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
		2046	}
		2047
		2048	$self->post_load;
		2049	}
		2050
		2051	sub customise_for {
		2052	my ($self, $ob) = @_;
		2053
		2054	return find "~" . $ob->name . "/" . $self->{path}
		2055	if $self->per_player;
		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
		2060	$self
1416	}	2061	}
1417		2062
1418	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2064	sub load_neighbours {
1420	my ($map) = @_;	2065	my ($map) = @_;
1421		2066
1422	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1423		2068
1424	for (0 .. 3) {	2069	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1426	or next;	2071	or next;
1427	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1428	or next;	2073	or next;
1429	$neigh->load;	2074	$neigh->load;
1430		2075
		2076	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2079	}
1434		2080
1435	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1437	or next;	2084	or next;
1438	$neigh->load;	2085	$neigh->load;
1439	}	2086	}
1440	}	2087	}
1441		2088
…		…
1446	}	2093	}
1447		2094
1448	sub do_load_sync {	2095	sub do_load_sync {
1449	my ($map) = @_;	2096	my ($map) = @_;
1450		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1451	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1452	}	2102	}
1453		2103
1454	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
		2105	our $MAP_PREFETCHER = undef;
		2106
		2107	sub find_async {
		2108	my ($path, $origin, $load) = @_;
		2109
		2110	$path = normalise $path, $origin && $origin->{path};
		2111
		2112	if (my $map = $cf::MAP{$path}) {
		2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2114	}
		2115
		2116	$MAP_PREFETCH{$path} |= $load;
		2117
1455	our $MAP_PREFETCHER = Coro::async {	2118	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2119	$Coro::current->{desc} = "map prefetcher";
		2120
1457	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2123	if (my $map = find $k) {
		2124	$map->load if $v;
		2125	}
		2126
1460	my $path = delete $MAP_PREFETCH{$key};	2127	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2128	}
1466	Coro::schedule;	2129	}
		2130	undef $MAP_PREFETCHER;
1467	}	2131	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2132	$MAP_PREFETCHER->prio (6);
1482		2133
1483	()	2134	()
1484	}	2135	}
1485		2136
1486	sub save {	2137	sub save {
1487	my ($self) = @_;	2138	my ($self) = @_;
1488		2139
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2141
1491	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1492		2143
1493	return unless $self->dirty;	2144	return unless $self->dirty;
1494		2145
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2146	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2148
1498	$self->{load_path} = $save;	2149	$self->{load_path} = $save;
1499		2150
1500	return if $self->{deny_save};	2151	return if $self->{deny_save};
1501		2152
1502	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1503		2154
1504	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1506	};	2158	};
1507		2159
		2160	cf::get_slot 0.02;
		2161
1508	if ($uniq) {	2162	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2165	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2167	}
1514	}	2168	}
1515		2169
1516	sub swap_out {	2170	sub swap_out {
1517	my ($self) = @_;	2171	my ($self) = @_;
1518		2172
1519	# save first because save cedes	2173	# save first because save cedes
1520	$self->save;	2174	$self->save;
1521		2175
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2177
1524	return if $self->players;	2178	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2180	return if $self->{deny_save};
1527		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2186	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2187	}
1531		2188
1532	sub reset_at {	2189	sub reset_at {
1533	my ($self) = @_;	2190	my ($self) = @_;
1534		2191
1535	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1538		2194
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2197
…		…
1546	my ($self) = @_;	2202	my ($self) = @_;
1547		2203
1548	$self->reset_at <= $cf::RUNTIME	2204	$self->reset_at <= $cf::RUNTIME
1549	}	2205	}
1550		2206
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2207	sub reset {
1573	my ($self) = @_;	2208	my ($self) = @_;
1574		2209
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2211
1577	return if $self->players;	2212	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2213
1580	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1581		2225
1582	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1583		2227
		2228	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2229	$_->clear_links_to ($self) for values %cf::MAP;
		2230	$self->clear;
1585		2231
1586	$self->unlink_save;	2232	$self->unlink_save;
1587	$self->destroy;	2233	$self->destroy;
1588	}	2234	}
1589		2235
1590	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1591		2237
1592	sub nuke {	2238	sub nuke {
1593	my ($self) = @_;	2239	my ($self) = @_;
1594		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
		2244	delete $cf::MAP{$self->path};
		2245
		2246	$self->unlink_save;
		2247
		2248	bless $self, "cf::map";
		2249	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2253
		2254	$cf::MAP{$self->path} = $self;
		2255	}
		2256
1598	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
1599	}	2258	}
1600		2259
1601	sub customise_for {	2260	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2261
1604	if ($map->per_player) {	2262	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
1606	}	2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
1607		2277
1608	$map	2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1609	}	2294	}
1610		2295
1611	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1612		2297
1613	Returns an arrayref of cf::path's of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2299	instantiated unique items. May block.
1615		2300
1616	=cut	2301	=cut
1617		2302
1618	sub unique_maps() {	2303	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1620	or return;	2305	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2306	utf8::decode $_;
1626	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2309	? ()
1629	push @paths, new cf::path $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2312	]
1631
1632	\@paths
1633	}	2313	}
1634
1635	package cf;
1636		2314
1637	=back	2315	=back
1638		2316
1639	=head3 cf::object	2317	=head3 cf::object
1640		2318
…		…
1644		2322
1645	=over 4	2323	=over 4
1646		2324
1647	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1648		2326
1649	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1650		2329
1651	=cut	2330	=cut
1652		2331
1653	sub inv_recursive_;	2332	sub inv_recursive_;
1654	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1657		2336
1658	sub inv_recursive {	2337	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1660	}	2339	}
1661		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1662	package cf;	2369	package cf;
1663		2370
1664	=back	2371	=back
1665		2372
1666	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1675		2382
1676	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1677		2398
1678	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2400	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1683		2404
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2406
1686	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1688	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1691	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1692	}	2432	}
1693		2433
1694	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1695		2435
1696	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1709		2449
1710	=item $player_object->enter_link	2450	=item $player_object->enter_link
1711		2451
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2453
1714	The player should be reaosnably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
		2458
		2459	Will never block.
1716		2460
1717	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1718		2462
1719	Moves the player out of the specila link map onto the given map. If the	2463	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2464	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2465	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2466	fails, to the emergency map position.
1723		2467
1724	Might block.	2468	Might block.
1725		2469
1726	=cut	2470	=cut
		2471
		2472	sub link_map {
		2473	unless ($LINK_MAP) {
		2474	$LINK_MAP = cf::map::find "{link}"
		2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2476	$LINK_MAP->load;
		2477	}
		2478
		2479	$LINK_MAP
		2480	}
1727		2481
1728	sub cf::object::player::enter_link {	2482	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2483	my ($self) = @_;
1730		2484
1731	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1732		2486
1733	return if $self->map == $LINK_MAP;	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2488
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1737		2491
1738	$self->enter_map ($LINK_MAP, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2493	}
1740		2494
1741	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1743		2499
1744	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1745		2501
1746	unless ($map) {	2502	unless ($map) {
1747	# restore original map position	2503	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1764		2520
1765	$map->load;	2521	$map->load;
1766	$map->load_diag;	2522	$map->load_neighbours;
1767		2523
1768	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1769	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1771	}	2530	}
1772		2531
1773	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2533
1777	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1781	};	2538	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2539
1787	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1788	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2542
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1808		2546
1809	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2549
1812	$path = new cf::path $path;	2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2552
1814	$self->enter_link;	2553	$self->enter_link;
1815		2554
1816	(async {	2555	(async {
1817	my $map = cf::map::find $path->as_string;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1819		2582	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1824		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1826	})->prio (1);	2601	})->prio (1);
1827	}	2602	}
1828		2603
1829	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1830		2605
…		…
1832		2607
1833	sub parse_random_map_params {	2608	sub parse_random_map_params {
1834	my ($spec) = @_;	2609	my ($spec) = @_;
1835		2610
1836	my $rmp = { # defaults	2611	my $rmp = { # defaults
1837	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1839	};	2616	};
1840		2617
1841	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1843		2620
…		…
1855	# that depends on the exit object	2632	# that depends on the exit object
1856		2633
1857	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1858		2635
1859	if ($exit->map) {	2636	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1864	}	2643	}
1865		2644
1866	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1867		2646
1868	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1870		2650
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
		2653	undef $fh;
		2654	aio_rename "$meta~", $meta;
1873		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1876	}	2662	}
1877	}	2663	}
1878		2664
1879	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1883		2669
1884	$self->enter_link;	2670	$self->enter_link;
1885		2671
1886	(async {	2672	(async {
1887	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1888	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
1889	prepare_random_map $exit	2682	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2683	if $exit->slaying eq "/!";
		2684	}
1891		2685
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
1894		2689
		2690	$self->goto ($map, $x, $y);
		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1895	1;	2696	1
1896	}) {	2697	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2702
1902	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2704	$self->leave_link;
1904	}	2705	}
1905	})->prio (1);	2706	})->prio (1);
…		…
1918		2719
1919	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1921		2722
1922	utf8::encode $text;	2723	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2725	}
1925		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
1926		2909
1927	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
1928		2911
1929	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2915
1933	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2917	become reliable at some point in the future.
1935		2918
1936	=cut	2919	=cut
1937		2920
1938	sub cf::client::query {	2921	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2930	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2932
1950	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
1952	}	2937	}
1953		2938
1954	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
1955	on_reply => sub {	2945	on_reply => sub {
1956	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
1957		2947
1958	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
1959	# get handled first	2949	# get handled first
1960	my $queue = delete $ns->{query_queue}	2950	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2951	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2952
1963	(shift @$queue)->[1]->($msg);	2953	(shift @$queue)->[1]->($msg);
		2954	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2955
1965	push @{ $ns->{query_queue} }, @$queue;	2956	push @{ $ns->{query_queue} }, @$queue;
1966		2957
1967	if (@{ $ns->{query_queue} } == @$queue) {	2958	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2959	if (@$queue) {
…		…
1970	} else {	2961	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2963	}
1973	}	2964	}
1974	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
1975	);	2992	);
1976		2993
1977	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
1978		2995
1979	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2022		3039
2023	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2024		3041
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2026		3047
2027	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2028		3049
2029	=pod	3050	=pod
2030		3051
2031	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2032		3053
2033	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2034	cf::object::player player	3058	cf::object::player
2035	cf::player peaceful	3059	player
2036	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2037		3066
2038	=cut	3067	=cut
2039		3068
2040	for (	3069	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2042	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2045	) {	3076	) {
2046	no strict 'refs';	3077	no strict 'refs';
…		…
2117	=back	3148	=back
2118		3149
2119	=cut	3150	=cut
2120		3151
2121	#############################################################################	3152	#############################################################################
		3153	# the server's init and main functions
2122		3154
2123	=head2 EXTENSION DATABASE SUPPORT	3155	sub load_facedata($) {
		3156	my ($path) = @_;
2124		3157
2125	Crossfire maintains a very simple database for extension use. It can	3158	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3159	# for this (global event?)
2127	excludes objects.	3160	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3161
2129	The parameter C<$family> should best start with the name of the extension	3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3163
2132	=over 4	3164	warn "loading facedata from $path\n";
2133		3165
2134	=item $hashref = cf::db_get $family	3166	my $facedata;
		3167	0 < aio_load $path, $facedata
		3168	or die "$path: $!";
2135		3169
2136	Return a hashref for use by the extension C<$family>, which can be	3170	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3171
2140	=item $value = cf::db_get $family => $key	3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3174
2142	Returns a single value from the database	3175	# patch in the exptable
2143		3176	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	3177	type => FT_RSRC,
2145		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3179	};
		3180	cf::cede_to_tick;
2195		3181
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3182	{
		3183	my $faces = $facedata->{faceinfo};
2200		3184
2201	sub db_get($;$) {	3185	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3187
2207	sub db_put($$;$) {	3188	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3189	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	} else {	3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3192
2216	cf::global->attach (	3193	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3194	}
2221	);
2222	}
2223		3195
2224	#############################################################################	3196	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3197	next unless $info->{smooth};
2226		3198
2227	sub cfg_load {	3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
		3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
		3259	1
		3260	}
		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
		3306	or die "unable to load regions file\n";
		3307
		3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
		3329	sub reload_resources {
		3330	warn "reloading resource files...\n";
		3331
		3332	reload_facedata;
		3333	reload_archetypes;
		3334	reload_regions;
		3335	reload_treasures;
		3336
		3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3342	or return;
2230		3343
2231	local $/;	3344	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2233		3346
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235		3348
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	};	3356	};
2244	warn $@ if $@;	3357	warn $@ if $@;
2245	}	3358	}
2246	}	3359	}
2247		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2248	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2249	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3398	(async {
		3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
		3401	})->prio (Coro::PRIO_MAX);
2253	};	3402	};
2254		3403
2255	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
		3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2257	load_extensions;	3422	load_extensions;
		3423
		3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2258	Event::loop;	3432	EV::loop;
2259	}	3433	}
2260		3434
2261	#############################################################################	3435	#############################################################################
2262	# initialisation and cleanup	3436	# initialisation and cleanup
2263		3437
2264	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2265	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2272	},
2273	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2274	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2275	}	3532	}
2276		3533
2277	sub emergency_save() {	3534	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2279		3536
2280	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2281		3538
2282	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2283	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3553	$pl->save;
2291	}	3554	}
2292	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2293		3556
2294	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3560	$map->valid or next;
2298	$map->save;	3561	$map->save;
2299	}	3562	}
2300	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
		3564
		3565	warn "emergency_perl_save: begin database checkpoint\n";
		3566	BDB::db_env_txn_checkpoint $DB_ENV;
		3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2301	};	3572	};
2302		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2303	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2304	}	3580	}
2305		3581
		3582	sub post_cleanup {
		3583	my ($make_core) = @_;
		3584
		3585	warn Carp::longmess "post_cleanup backtrace"
		3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2306	sub reload() {	3618	sub do_reload_perl() {
2307	# can/must only be called in main	3619	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3621	warn "can only reload from main coroutine";
2310	return;	3622	return;
2311	}	3623	}
2312		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2313	warn "reloading...";	3630	warn "reloading...";
2314		3631
2315	warn "freezing server";	3632	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3633
		3634	cf::sync_job {
		3635	cf::write_runtime_sync; # external watchdog should not bark
2317	cf::emergency_save;	3636	cf::emergency_save;
		3637	cf::write_runtime_sync; # external watchdog should not bark
2318		3638
2319	warn "sync database to disk";	3639	warn "syncing database to disk";
2320	cf::db_sync;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3641
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2325		3643
2326	warn "cancel all watchers";	3644	warn "flushing outstanding aio requests";
2327	for (Event::all_watchers) {	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "remove commands";
2336	%COMMAND = ();
2337
2338	warn "remove ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unload/nuke all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3647	}
2351		3648
		3649	warn "cancelling all extension coros";
		3650	$_->cancel for values %EXT_CORO;
		3651	%EXT_CORO = ();
		3652
		3653	warn "removing commands";
		3654	%COMMAND = ();
		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2352	warn "... nuking $pkg";	3662	warn "... unloading $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355		3663
2356	warn "unload all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360	warn "removing <$k>";
2361	delete $INC{$k};
2362
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2367	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2368	}	3673	}
2369		3674
2370	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2371	}	3690	}
2372		3691
2373	warn "get rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3695
2377	warn "unload cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2379		3699
2380	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3701	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2383		3703
		3704	warn "unload completed, starting to reload now";
		3705
2384	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2385	require cf;	3707	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3709
2388	warn "load config and database again";	3710	warn "loading config and database again";
2389	cf::cfg_load;	3711	cf::reload_config;
2390	cf::db_load;
2391		3712
2392	warn "load extensions";	3713	warn "loading extensions";
2393	cf::load_extensions;	3714	cf::load_extensions;
2394		3715
		3716	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3718	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3719	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
		3721	warn "reattaching attachments to players";
		3722	reattach $_ for values %PLAYER;
		3723	}
		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
		3728	warn "leaving sync_job";
		3729
		3730	1
		3731	} or do {
		3732	warn $@;
		3733	cf::cleanup "error while reloading, exiting.";
		3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2399	};	3757	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3758	}
2452		3759
2453	register_command "reload" => sub {	3760	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2455		3762
2456	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3764	$who->message ("reloading server.");
		3765	async {
		3766	$Coro::current->{desc} = "perl_reload";
		3767	reload_perl;
		3768	};
2460	}	3769	}
2461	};	3770	};
2462		3771
2463	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2464		3773
2465	$TICK_WATCHER = Event->timer (	3774	my $bug_warning = 0;
2466	reentrant => 0,	3775
2467	prio => 0,	3776	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	3777	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	3778
2470	cb => sub {	3779	sub wait_for_tick {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
		3796	if ($Coro::current != $Coro::main) {
		3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3798	unless ++$bug_warning > 10;
		3799	return;
		3800	}
		3801
2471	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		3803
2475	$WAIT_FOR_TICK->broadcast;	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2477		3806	Coro::async_pool {
2478	# if we are delayed by four ticks or more, skip them all	3807	$Coro::current->{desc} = "runtime saver";
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480
2481	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	3808	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
2504	})->();	3810	};
2505	},	3811	}
2506	);	3812
		3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
		3831
		3832	{
		3833	# configure BDB
		3834
		3835	BDB::min_parallel 8;
		3836	BDB::max_poll_reqs $TICK * 0.1;
		3837	$AnyEvent::BDB::WATCHER->priority (1);
		3838
		3839	unless ($DB_ENV) {
		3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3846
		3847	cf::sync_job {
		3848	eval {
		3849	BDB::db_env_open
		3850	$DB_ENV,
		3851	$BDBDIR,
		3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3854	0666;
		3855
		3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3857	};
		3858
		3859	cf::cleanup "db_env_open(db): $@" if $@;
		3860	};
		3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
		3872	}
		3873
		3874	{
		3875	# configure IO::AIO
		3876
		3877	IO::AIO::min_parallel 8;
		3878	IO::AIO::max_poll_time $TICK * 0.1;
		3879	undef $AnyEvent::AIO::WATCHER;
		3880	}
		3881
		3882	my $_log_backtrace;
		3883
		3884	sub _log_backtrace {
		3885	my ($msg, @addr) = @_;
		3886
		3887	$msg =~ s/\n//;
		3888
		3889	# limit the # of concurrent backtraces
		3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
		3921	}
		3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2507		3926
2508	END { cf::emergency_save }	3927	END { cf::emergency_save }
2509		3928
2510	1	3929	1
2511		3930

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