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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.61 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	80
		81	our $CONFDIR = confdir;
		82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
58		93
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		115
81	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
84	binmode STDOUT;	124	binmode STDOUT;
85	binmode STDERR;	125	binmode STDERR;
86		126
87	# read virtual server time, if available	127	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
92	}	132	}
93		133
94	mkdir cf::localdir;	134	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		136
101	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
102		138
103	sub cf::map::normalise;	139	sub cf::map::normalise;
104		140
…		…
115	=item $cf::RUNTIME	151	=item $cf::RUNTIME
116		152
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	154	every server tick.
119		155
120	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		159
122	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
124		164
125	=item $cf::NOW	165	=item $cf::NOW
126		166
127	The time of the last (current) server tick.	167	The time of the last (current) server tick.
128		168
129	=item $cf::TICK	169	=item $cf::TICK
130		170
131	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
132		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
133	=item %cf::CFG	183	=item %cf::CFG
134		184
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	186	from wherever your confdir points to.
137		187
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		189
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
144	=back	200	=back
145		201
146	=cut	202	=cut
147		203
148	BEGIN {	204	BEGIN {
149	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	206	my $msg = join "", @_;
151	utf8::encode $msg;
152		207
153	$msg .= "\n"	208	$msg .= "\n"
154	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
155		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
156	LOG llevError, $msg;	213	LOG llevError, $msg;
157	};	214	};
158	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
159		231
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		239
167	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	241	# within the Safe compartment.
169	for my $pkg (qw(	242	for my $pkg (qw(
170	cf::global cf::attachable	243	cf::global cf::attachable
…		…
175	)) {	248	)) {
176	no strict 'refs';	249	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	251	}
179		252
180	$Event::DIED = sub {	253	$EV::DIED = sub {
181	warn "error in event callback: @_";	254	warn "error in event callback: @_";
182	};	255	};
		256
		257	#############################################################################
183		258
184	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
185		260
186	=over 4	261	=over 4
187		262
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	282	$d
208	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
209	}	284	}
210		285
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
214		287
215	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
216		289
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
268	};	428	}
269	$TICK_WATCHER->stop;	429	};
270	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		533
351	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
352		538
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
354	or return;
355		540
356	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
361	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
362		547
363	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	549	reset_signals;
365	and return;	550	&$cb
		551	}, @args;
366		552
367	close $fh	553	wantarray ? @res : $res[-1]
368	or return;	554	}
369		555
370	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
371	and return;
372		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
373	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
374	}	708	}
375		709
376	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
377		711
378	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
398		732
399	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	735	Deliantra).
402		736
403	=over 4	737	=over 4
404		738
405	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
406		740
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
570		904
571	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		909
576	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	911	my $pkg = shift @arg;
578		912
579	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
609	}	943	}
610		944
611	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
612	} else {	946	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	948	}
615		949
616	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
617	}	951	}
618		952
…		…
620	if (ref $_[0]) {	954	if (ref $_[0]) {
621	_object_attach @_;	955	_object_attach @_;
622	} else {	956	} else {
623	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
624	}	958	}
		959	_recalc_want;
625	};	960	};
626		961
627	# all those should be optimised	962	# all those should be optimised
628	sub cf::attachable::detach {	963	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
633	reattach ($obj);	968	reattach ($obj);
634	} else {	969	} else {
635	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
636	}	971	}
		972	_recalc_want;
637	};	973	};
638		974
639	sub cf::attachable::attached {	975	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
641		977
…		…
656	";	992	";
657	die if $@;	993	die if $@;
658	}	994	}
659		995
660	our $override;	996	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		998
663	sub override {	999	sub override {
664	$override = 1;	1000	$override = 1;
665	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
666	}	1002	}
667		1003
668	sub do_invoke {	1004	sub do_invoke {
669	my $event = shift;	1005	my $event = shift;
670	my $callbacks = shift;	1006	my $callbacks = shift;
671		1007
672	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
673		1009
674	local $override;	1010	local $override;
675		1011
676	for (@$callbacks) {	1012	for (@$callbacks) {
677	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
686	}	1022	}
687		1023
688	0	1024	0
689	}	1025	}
690		1026
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1028
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1030
695	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
696		1032
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1036
701	=back	1037	=back
702		1038
703	=cut	1039	=cut
704		1040
705	#############################################################################	1041	#############################################################################
706	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
707		1085
708	sub reattach {	1086	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1088	my ($obj) = @_;
711		1089
…		…
732	cf::attachable->attach (	1110	cf::attachable->attach (
733	prio => -1000000,	1111	prio => -1000000,
734	on_instantiate => sub {	1112	on_instantiate => sub {
735	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
736		1114
737	$data = from_json $data;	1115	$data = decode_json $data;
738		1116
739	for (@$data) {	1117	for (@$data) {
740	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
741		1119
742	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1136	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
760		1138
761	sync_job {	1139	sync_job {
762	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
765		1144
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1149	aio_close $fh;
771		1150
772	if (@$objs) {	1151	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1157	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
780	}	1159	}
781	} else {	1160	} else {
782	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
783	}	1162	}
…		…
788	}	1167	}
789	} else {	1168	} else {
790	aio_unlink $filename;	1169	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
792	}	1171	}
793	}	1172	};
794	}	1173	}
795		1174
796	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
798		1177
…		…
810	or return;	1189	or return;
811		1190
812	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
814	or return;	1193	or return;
		1194
815	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
816	}	1197	}
817		1198
		1199	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
820	return ($data, $av);	1203	($data, $av)
821	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
822		1211
823	#############################################################################	1212	#############################################################################
824	# command handling &c	1213	# command handling &c
825		1214
826	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1229	}
841		1230
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1232
844	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
845		1238
846	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
847	called.	1240	called.
848		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
849	=cut	1253	=cut
850		1254
851	sub register_extcmd {	1255	sub register_extcmd {
852	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
853		1257
854	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
855	}	1265	}
856		1266
857	cf::player->attach (	1267	cf::player->attach (
858	on_command => sub {	1268	on_command => sub {
859	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1278	cf::override;
869	},	1279	},
870	on_extcmd => sub {	1280	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
872		1282
873	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1284
875	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
881	} else {	1300	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1302	}
884		1303
885	cf::override;	1304	cf::override;
886	},	1305	},
887	);	1306	);
888		1307
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
924	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1313	next unless -r $path;
926	eval {	1314
927	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
928	1	1371	}
929	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
930	}	1377	};
931	}	1378	}
932		1379
933	#############################################################################	1380	#############################################################################
934		1381
		1382	=back
		1383
935	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
936		1385
937	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
938		1387
939	=cut	1388	=cut
…		…
944		1393
945	=head3 cf::player	1394	=head3 cf::player
946		1395
947	=over 4	1396	=over 4
948		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
949	=item cf::player::find $login	1412	=item cf::player::find $login
950		1413
951	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
952		1415
953	=cut	1416	=cut
954		1417
955	sub playerdir($) {	1418	sub playerdir($) {
956	cf::localdir	1419	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1421	}
962		1422
963	sub path($) {	1423	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
995		1455
996	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
997	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
999	}	1465	}
1000	}	1466	}
1001	}	1467	}
1002		1468
…		…
1011	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1012		1478
1013	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1015		1481
		1482	cf::get_slot 0.01;
		1483
1016	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1017	Coro::cede;	1485	cf::cede_to_tick;
1018	}	1486	}
1019		1487
1020	sub new($) {	1488	sub new($) {
1021	my ($login) = @_;	1489	my ($login) = @_;
1022		1490
…		…
1026	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1027		1495
1028	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1029		1497
1030	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1031	}	1509	}
1032		1510
1033	=item $pl->quit_character	1511	=item $pl->quit_character
1034		1512
1035	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1085		1563
1086	=cut	1564	=cut
1087		1565
1088	sub list_logins {	1566	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1568	or return [];
1091		1569
1092	my @logins;	1570	my @logins;
1093		1571
1094	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1098		1582
1099	utf8::decode $login;	1583	utf8::decode $login;
1100	push @logins, $login;	1584	push @logins, $login;
1101	}	1585	}
1102		1586
…		…
1129	}	1613	}
1130		1614
1131	\@paths	1615	\@paths
1132	}	1616	}
1133		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1134	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1135		1712
1136	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1137		1714
1138	=cut	1715	=cut
1139		1716
1140	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1142		1719
1143	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1721	}
1147		1722
1148	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1149		1724
1150	Sends an ext event to the client.	1725	Sends an ext event to the client.
1151		1726
1152	=cut	1727	=cut
1153		1728
1154	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1156		1731
1157	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1158	}	1733	}
1159		1734
1160	=head3 cf::region	1735	=head3 cf::region
1161		1736
1162	=over 4	1737	=over 4
…		…
1165		1740
1166	package cf::region;	1741	package cf::region;
1167		1742
1168	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1169		1744
1170	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1171		1746
1172	=cut	1747	=cut
1173		1748
1174	sub find_by_path($) {	1749	sub find_by_path($) {
1175	my ($path) = @_;	1750	my ($path) = @_;
1176		1751
1177	my ($match, $specificity);	1752	my ($match, $specificity);
1178		1753
1179	for my $region (list) {	1754	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1183	}	1758	}
1184	}	1759	}
1185		1760
…		…
1206	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1208		1783
1209	sub generate_random_map {	1784	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1211	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1790	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1250		1828
1251	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1252	local $self->{path};	1830	local $self->{path};
1253	local $self->{load_path};	1831	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1832
1257	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1258	}	1834	}
1259		1835
1260	sub normalise {	1836	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1308	return $self;	1884	return $self;
1309	}	1885	}
1310	}	1886	}
1311		1887
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1889	()
1314	}	1890	}
1315		1891
1316	sub init {	1892	sub init {
1317	my ($self) = @_;	1893	my ($self) = @_;
…		…
1332		1908
1333	# the original (read-only) location	1909	# the original (read-only) location
1334	sub load_path {	1910	sub load_path {
1335	my ($self) = @_;	1911	my ($self) = @_;
1336		1912
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1338	}	1914	}
1339		1915
1340	# the temporary/swap location	1916	# the temporary/swap location
1341	sub save_path {	1917	sub save_path {
1342	my ($self) = @_;	1918	my ($self) = @_;
1343		1919
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1346	}	1922	}
1347		1923
1348	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1349	sub uniq_path {	1925	sub uniq_path {
1350	my ($self) = @_;	1926	my ($self) = @_;
1351		1927
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1354	}	1930	}
1355		1931
1356	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1357	# all maps in C++...	1933	# all maps in C++...
1358	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1360		1936
1361	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1363	}	1939	}
1364		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1365	sub unlink_save {	1949	sub unlink_save {
1366	my ($self) = @_;	1950	my ($self) = @_;
1367		1951
1368	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1956
1373	sub load_header_from($) {	1957	sub load_header_from($) {
1374	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1375		1959
1376	utf8::encode $path;	1960	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1382		1969
1383	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1384		1971
1385	1	1972	1
1386	}	1973	}
…		…
1425	$self->load_header_orig	2012	$self->load_header_orig
1426	or return;	2013	or return;
1427	$self->prepare_orig;	2014	$self->prepare_orig;
1428	}	2015	}
1429		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1430	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2021	unless $self->default_region;
1432		2022
1433	1	2023	1
1434	}	2024	}
…		…
1437	sub find {	2027	sub find {
1438	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1439		2029
1440	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1441		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1443		2034
1444	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1446	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1447	or return;	2040	or return;
1448		2041
1449	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1450		2043
1451	$map->load_header	2044	$map->load_header
1452	or return;	2045	or return;
1453		2046
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1457	$map->reset;	2052	$map->reset;
1458	undef $guard;
1459	return find $path;	2053	return find $path;
1460	}	2054	}
1461		2055
1462	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1463	}	2057	}
…		…
1470	my ($self) = @_;	2064	my ($self) = @_;
1471		2065
1472	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1473		2067
1474	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1476		2072
		2073	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2075
1479	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1480		2077
1481	$self->alloc;	2078	$self->alloc;
1482		2079
1483	$self->pre_load;	2080	$self->pre_load;
1484	Coro::cede;	2081	cf::cede_to_tick;
1485		2082
1486	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1487	or return;	2086	or return;
1488		2087
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2089	if delete $self->{load_original};
1491		2090
1492	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2092	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2095	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1497	}	2099	}
1498	}	2100	}
1499		2101
1500	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1501	# now do the right thing for maps	2105	# now do the right thing for maps
1502	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2108	unless $self->difficulty;
1513	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1514	$self->activate;	2118	$self->activate;
1515	Coro::cede;	2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2125	}
1517		2126
1518	$self->post_load;	2127	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2128	}
1523		2129
1524	sub customise_for {	2130	sub customise_for {
1525	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1526		2132
1527	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2134	if $self->per_player;
1529		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1530	$self	2139	$self
1531	}	2140	}
1532		2141
1533	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2143	sub load_neighbours {
1535	my ($map) = @_;	2144	my ($map) = @_;
1536		2145
1537	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1538		2147
1539	for (0 .. 3) {	2148	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1541	or next;	2150	or next;
1542	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1543	or next;	2152	or next;
1544	$neigh->load;	2153	$neigh->load;
1545		2154
		2155	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2158	}
1549		2159
1550	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1552	or next;	2163	or next;
1553	$neigh->load;	2164	$neigh->load;
1554	}	2165	}
1555	}	2166	}
1556		2167
…		…
1561	}	2172	}
1562		2173
1563	sub do_load_sync {	2174	sub do_load_sync {
1564	my ($map) = @_;	2175	my ($map) = @_;
1565		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1566	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1567	}	2181	}
1568		2182
1569	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1571		2185
1572	sub find_async {	2186	sub find_async {
1573	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1574		2188
1575	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1576		2190
1577	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2193	}
1580		2194
1581	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1582	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1583	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2202	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2203	$map->load if $v;
		2204	}
1588		2205
1589	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1590	}	2207	}
1591	}	2208	}
1592	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1593	};	2210	};
1594	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2214	}
1598		2215
1599	sub save {	2216	sub save {
1600	my ($self) = @_;	2217	my ($self) = @_;
1601		2218
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2220
1604	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1605		2222
1606	return unless $self->dirty;	2223	return unless $self->dirty;
1607		2224
…		…
1613	return if $self->{deny_save};	2230	return if $self->{deny_save};
1614		2231
1615	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1616		2233
1617	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1619	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1620		2240
1621	if ($uniq) {	2241	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2244	} else {
…		…
1630	my ($self) = @_;	2250	my ($self) = @_;
1631		2251
1632	# save first because save cedes	2252	# save first because save cedes
1633	$self->save;	2253	$self->save;
1634		2254
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2256
1637	return if $self->players;	2257	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2259	return if $self->{deny_save};
1640		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2265	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2266	}
1644		2267
1645	sub reset_at {	2268	sub reset_at {
1646	my ($self) = @_;	2269	my ($self) = @_;
1647		2270
1648	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1651		2273
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2276
…		…
1665	my ($self) = @_;	2287	my ($self) = @_;
1666		2288
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2290
1669	return if $self->players;	2291	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2292
1672	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1673		2294
1674	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1675		2296
1676	# need to save uniques path	2297	# need to save uniques path
1677	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2302	if $uniq;
1682	}	2303	}
1683		2304
1684	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1685		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2309	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2310
1690	$self->unlink_save;	2311	$self->unlink_save;
1691	$self->destroy;	2312	$self->destroy;
1692	}	2313	}
1693		2314
1694	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1695		2316
1696	sub nuke {	2317	sub nuke {
1697	my ($self) = @_;	2318	my ($self) = @_;
1698		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1699	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1700		2324
1701	$self->unlink_save;	2325	$self->unlink_save;
1702		2326
1703	bless $self, "cf::map";	2327	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2332
1709	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1710		2335
1711	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1712	}	2373	}
1713		2374
1714	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1715		2376
1716	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2378	instantiated unique items. May block.
1718		2379
1719	=cut	2380	=cut
1720		2381
1721	sub unique_maps() {	2382	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1723	or return;	2384	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2385	utf8::decode $_;
1729	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2388	? ()
1732	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2391	]
1734
1735	\@paths
1736	}	2392	}
1737
1738	package cf;
1739		2393
1740	=back	2394	=back
1741		2395
1742	=head3 cf::object	2396	=head3 cf::object
1743		2397
…		…
1747		2401
1748	=over 4	2402	=over 4
1749		2403
1750	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1751		2405
1752	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1753		2408
1754	=cut	2409	=cut
1755		2410
1756	sub inv_recursive_;	2411	sub inv_recursive_;
1757	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1760		2415
1761	sub inv_recursive {	2416	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1763	}	2418	}
1764		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1765	package cf;	2448	package cf;
1766		2449
1767	=back	2450	=back
1768		2451
1769	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1778		2461
1779	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1780		2477
1781	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2479	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1786		2483
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2485
1789	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1791	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1794	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1795	}	2511	}
1796		2512
1797	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1798		2514
1799	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1847		2563
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2565
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1852		2568
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2570	}
1855		2571
1856	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1858		2576
1859	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1860		2578
1861	unless ($map) {	2579	unless ($map) {
1862	# restore original map position	2580	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1879		2597
1880	$map->load;	2598	$map->load;
1881	$map->load_diag;	2599	$map->load_neighbours;
1882		2600
1883	return unless $self->contr->active;	2601	return unless $self->contr->active;
1884	$self->activate_recursive;	2602	$self->activate_recursive;
1885		2603
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1888	}	2606	}
1889		2607
1890	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2609
1894	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1898	};	2614	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2615
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1925		2619
1926	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2625
1929	$self->enter_link;	2626	$self->enter_link;
1930		2627
1931	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1932	my $map = eval {	2650	my $map = eval {
1933	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1935	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2666	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1940	})->prio (1);	2674	})->prio (1);
1941	}	2675	}
1942		2676
1943	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1944		2678
…		…
1981	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1982	}	2716	}
1983		2717
1984	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1985		2719
1986	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1989		2723
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2726	undef $fh;
1993	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
2015		2749
2016	$self->enter_link;	2750	$self->enter_link;
2017		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
2018	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
2019	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2760	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
2022		2762
2023	1;	2763	1;
…		…
2049		2789
2050	utf8::encode $text;	2790	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2792	}
2053		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
2054	=item $client->ext_event ($type, %msg)	2924	=item $client->ext_msg ($type, @msg)
2055		2925
2056	Sends an exti event to the client.	2926	Sends an ext event to the client.
2057		2927
2058	=cut	2928	=cut
2059		2929
2060	sub cf::client::ext_event($$%) {	2930	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2931	my ($self, $type, @msg) = @_;
2062		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2936	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
2065	}	2957	}
2066		2958
2067	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2068		2960
2069	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2964
2073	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2966	become reliable at some point in the future.
2075		2967
2076	=cut	2968	=cut
2077		2969
2078	sub cf::client::query {	2970	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2979	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2981
2090	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2092	}	2986	}
2093		2987
2094	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2095	on_reply => sub {	2994	on_reply => sub {
2096	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2097		2996
2098	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2099	# get handled first	2998	# get handled first
…		…
2111	} else {	3010	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3012	}
2114	}	3013	}
2115	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2116	);	3041	);
2117		3042
2118	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2119		3044
2120	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2163		3088
2164	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2165		3090
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2167		3096
2168	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2169		3098
2170	=pod	3099	=pod
2171		3100
2172	The following functions and methods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2173		3102
2174	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2175	cf::object::player player	3107	cf::object::player
2176	cf::player peaceful	3108	player
2177	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2178		3115
2179	=cut	3116	=cut
2180		3117
2181	for (	3118	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2183	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2186	) {	3125	) {
2187	no strict 'refs';	3126	no strict 'refs';
…		…
2258	=back	3197	=back
2259		3198
2260	=cut	3199	=cut
2261		3200
2262	#############################################################################	3201	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372
2373	#############################################################################
2374	# the server's init and main functions	3202	# the server's init and main functions
2375		3203
2376	sub load_facedata($) {	3204	sub load_facedata($) {
2377	my ($path) = @_;	3205	my ($path) = @_;
		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2378		3212
2379	warn "loading facedata from $path\n";	3213	warn "loading facedata from $path\n";
2380		3214
2381	my $facedata;	3215	my $facedata;
2382	0 < aio_load $path, $facedata	3216	0 < aio_load $path, $facedata
…		…
2385	$facedata = Coro::Storable::thaw $facedata;	3219	$facedata = Coro::Storable::thaw $facedata;
2386		3220
2387	$facedata->{version} == 2	3221	$facedata->{version} == 2
2388	or cf::cleanup "$path: version mismatch, cannot proceed.";	3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2389		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
2390	{	3231	{
2391	my $faces = $facedata->{faceinfo};	3232	my $faces = $facedata->{faceinfo};
2392		3233
2393	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3236
2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2398	Coro::cede;	3241
		3242	cf::cede_to_tick;
2399	}	3243	}
2400		3244
2401	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2402	next unless $info->{smooth};	3246	next unless $info->{smooth};
		3247
2403	my $idx = cf::face::find $face	3248	my $idx = cf::face::find $face
2404	or next;	3249	or next;
		3250
2405	if (my $smooth = cf::face::find $info->{smooth}) {	3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407	} else {	3254	} else {
2408	warn "smooth face '$info->{smooth}' not found for face '$face'";	3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
2409	}	3256	}
2410	Coro::cede;	3257
		3258	cf::cede_to_tick;
2411	}	3259	}
2412	}	3260	}
2413		3261
2414	{	3262	{
2415	my $anims = $facedata->{animinfo};	3263	my $anims = $facedata->{animinfo};
2416		3264
2417	while (my ($anim, $info) = each %$anims) {	3265	while (my ($anim, $info) = each %$anims) {
2418	cf::anim::set $anim, $info->{frames}, $info->{facings};	3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
2419	Coro::cede;	3267	cf::cede_to_tick;
2420	}	3268	}
2421		3269
2422	cf::anim::invalidate_all; # d'oh	3270	cf::anim::invalidate_all; # d'oh
2423	}	3271	}
2424		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
2425	1	3308	1
2426	}	3309	}
2427		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
2428	sub reload_facedata {	3363	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	3364	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	3365	or die "unable to load facedata\n";
2431	}	3366	}
2432		3367
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	3368	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	3369	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	3370	or die "unable to load archetypes\n";
2441	}	3371	}
2442		3372
2443	sub reload_treasures {	3373	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	3374	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	3375	or die "unable to load treasurelists\n";
2446	}	3376	}
2447		3377
2448	sub reload_resources {	3378	sub reload_resources {
2449	warn "reloading resource files...\n";	3379	warn "reloading resource files...\n";
2450		3380
2451	reload_regions;
2452	reload_facedata;	3381	reload_facedata;
2453	reload_archetypes;	3382	reload_archetypes;
		3383	reload_regions;
2454	reload_treasures;	3384	reload_treasures;
2455		3385
2456	warn "finished reloading resource files\n";	3386	warn "finished reloading resource files\n";
2457	}	3387	}
2458		3388
2459	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2460	reload_resources;	3392	reload_resources;
2461	}	3393	}
2462		3394
2463	sub cfg_load {	3395	sub reload_config {
2464	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2465	or return;	3397	or return;
2466		3398
2467	local $/;	3399	local $/;
2468	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2469		3401
2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2471		3403
2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2484	sub main {	3416	sub main {
2485	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2486	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488	(async {	3420	(async {
2489	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2490	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2491	};	3424	};
2492		3425
2493	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2494	db_init;	3429	db_init;
2495	load_extensions;	3430	load_extensions;
2496		3431
2497	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2498	Event::loop;	3436	EV::loop;
2499	}	3437	}
2500		3438
2501	#############################################################################	3439	#############################################################################
2502	# initialisation and cleanup	3440	# initialisation and cleanup
2503		3441
2504	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2505	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2506	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2507	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2508	reentrant => 0,
2509	data => WF_AUTOCANCEL,
2510	signal => $signal,
2511	prio => 0,
2512	cb => sub {
2513	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2514	},
2515	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2516	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2517	}	3531	}
2518		3532
2519	sub emergency_save() {	3533	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2521		3535
…		…
2527	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2528	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2529	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2530	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2531	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2532	$pl->save;	3547	$pl->save;
2533	}	3548	}
2534	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2535		3550
2536	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2542	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
2543		3558
2544	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
2545	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
2546	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2547	};	3566	};
2548		3567
2549	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2550	}	3569	}
2551		3570
…		…
2566	warn "reloading...";	3585	warn "reloading...";
2567		3586
2568	warn "entering sync_job";	3587	warn "entering sync_job";
2569		3588
2570	cf::sync_job {	3589	cf::sync_job {
2571	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
2572	cf::emergency_save;	3591	cf::emergency_save;
2573	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2574		3593
2575	warn "syncing database to disk";	3594	warn "syncing database to disk";
2576	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2577		3596
2578	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2579
2580	warn "cancelling all WF_AUTOCANCEL watchers";
2581	for (Event::all_watchers) {
2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2583	}
2584		3598
2585	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2586	for (;;) {	3600	for (;;) {
2587	BDB::flush;	3601	BDB::flush;
2588	IO::AIO::flush;	3602	IO::AIO::flush;
2589	Coro::cede;	3603	Coro::cede_notself;
2590	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2591	warn "iterate...";	3605	warn "iterate...";
2592	}	3606	}
2593		3607
2594	++$RELOAD;	3608	++$RELOAD;
…		…
2598	%EXT_CORO = ();	3612	%EXT_CORO = ();
2599		3613
2600	warn "removing commands";	3614	warn "removing commands";
2601	%COMMAND = ();	3615	%COMMAND = ();
2602		3616
2603	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2604	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2605		3620
2606	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2609		3624
…		…
2639	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		3656
2642	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2644		3660
2645	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2646	# and global variables created in xs	3662	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2648		3664
…		…
2651	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2652	require cf;	3668	require cf;
2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2654		3670
2655	warn "loading config and database again";	3671	warn "loading config and database again";
2656	cf::cfg_load;	3672	cf::reload_config;
2657		3673
2658	warn "loading extensions";	3674	warn "loading extensions";
2659	cf::load_extensions;	3675	cf::load_extensions;
2660		3676
2661	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
2668	warn "leaving sync_job";	3684	warn "leaving sync_job";
2669		3685
2670	1	3686	1
2671	} or do {	3687	} or do {
2672	warn $@;	3688	warn $@;
2673	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2674	exit 1;
2675	};	3690	};
2676		3691
2677	warn "reloaded";	3692	warn "reloaded";
2678	};	3693	};
2679		3694
…		…
2681		3696
2682	sub reload_perl() {	3697	sub reload_perl() {
2683	# doing reload synchronously and two reloads happen back-to-back,	3698	# doing reload synchronously and two reloads happen back-to-back,
2684	# coro crashes during coro_state_free->destroy here.	3699	# coro crashes during coro_state_free->destroy here.
2685		3700
2686	$RELOAD_WATCHER ||= Event->timer (	3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2687	reentrant => 0,
2688	after => 0,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	do_reload_perl;	3702	do_reload_perl;
2692	undef $RELOAD_WATCHER;	3703	undef $RELOAD_WATCHER;
2693	},
2694	);	3704	};
2695	}	3705	}
2696		3706
2697	register_command "reload" => sub {	3707	register_command "reload" => sub {
2698	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2699		3709
2700	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2701	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
2702	async { reload_perl };	3714	reload_perl;
		3715	};
2703	}	3716	}
2704	};	3717	};
2705		3718
2706	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2707		3720
…		…
2709		3722
2710	our @WAIT_FOR_TICK;	3723	our @WAIT_FOR_TICK;
2711	our @WAIT_FOR_TICK_BEGIN;	3724	our @WAIT_FOR_TICK_BEGIN;
2712		3725
2713	sub wait_for_tick {	3726	sub wait_for_tick {
2714	return unless $TICK_WATCHER->is_active;
2715	return if $Coro::current == $Coro::main;	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2716		3728
2717	my $signal = new Coro::Signal;	3729	my $signal = new Coro::Signal;
2718	push @WAIT_FOR_TICK, $signal;	3730	push @WAIT_FOR_TICK, $signal;
2719	$signal->wait;	3731	$signal->wait;
2720	}	3732	}
2721		3733
2722	sub wait_for_tick_begin {	3734	sub wait_for_tick_begin {
2723	return unless $TICK_WATCHER->is_active;
2724	return if $Coro::current == $Coro::main;	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2725		3736
2726	my $signal = new Coro::Signal;	3737	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	3738	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	3739	$signal->wait;
2729	}	3740	}
2730		3741
2731	$TICK_WATCHER = Event->timer (	3742	sub tick {
2732	reentrant => 0,
2733	parked => 1,
2734	prio => 0,
2735	at => $NEXT_TICK || $TICK,
2736	data => WF_AUTOCANCEL,
2737	cb => sub {
2738	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2741	return;	3746	return;
2742	}	3747	}
2743		3748
2744	$NOW = Event::time;
2745
2746	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2747		3750
2748	$RUNTIME += $TICK;
2749	$NEXT_TICK += $TICK;
2750
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752	$NEXT_RUNTIME_WRITE = $NOW + 10;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2753	Coro::async_pool {	3753	Coro::async_pool {
		3754	$Coro::current->{desc} = "runtime saver";
2754	write_runtime	3755	write_runtime_sync
2755	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
2756	};
2757	}	3757	};
		3758	}
2758		3759
2759	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#
2761
2762	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2764
2765	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;
2767
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769	$sig->send;	3761	$sig->send;
2770	}	3762	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {	3763	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;	3764	$sig->send;
2773	}
2774
2775	_post_tick;
2776	},	3765	}
2777	);	3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
2778		3778
2779	{	3779	{
2780	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2781	$BDB_POLL_WATCHER = Event->io (	3781
2782	reentrant => 0,
2783	fd => BDB::poll_fileno,
2784	poll => 'r',
2785	prio => 0,
2786	data => WF_AUTOCANCEL,
2787	cb => \&BDB::poll_cb,
2788	);
2789	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
2790		3783	BDB::max_poll_reqs $TICK * 0.1;
2791	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
2792	my $status;
2793	my $current = $Coro::current;
2794	(
2795	sub {
2796	$status = $!;
2797	$current->ready; undef $current;
2798	},
2799	sub {
2800	Coro::schedule while defined $current;
2801	$! = $status;
2802	},
2803	)
2804	};
2805		3785
2806	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2807	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2808		3792
2809	cf::sync_job {	3793	cf::sync_job {
2810	eval {	3794	eval {
2811	BDB::db_env_open	3795	BDB::db_env_open
2812	$DB_ENV,	3796	$DB_ENV,
2813	$BDB_ENV_DIR,	3797	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	3800	0666;
2817		3801
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;
2822	};	3803	};
2823		3804
2824	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
2825	};	3806	};
2826	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2827	}	3818	}
2828		3819
2829	{	3820	{
		3821	# configure IO::AIO
		3822
2830	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
2831
2832	undef $Coro::AIO::WATCHER;
2833	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
2834	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
2835	reentrant => 0,	3826	}
2836	data => WF_AUTOCANCEL,	3827
2837	fd => IO::AIO::poll_fileno,	3828	my $_log_backtrace;
2838	poll => 'r',	3829
2839	prio => 6,	3830	sub _log_backtrace {
2840	cb => \&IO::AIO::poll_cb,	3831	my ($msg, @addr) = @_;
2841	);	3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
2842	}	3866	}
2843		3867
2844	# load additional modules	3868	# load additional modules
2845	use cf::pod;	3869	use cf::pod;
2846		3870

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