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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 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 Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	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
38	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
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$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
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
59	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;
60		93
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	97	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		99
69	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	104	our $DB_ENV;
71		105
72	our %CFG;	106	our %CFG;
73		107
74	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
76		111
77	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		115
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $TICK_START; # for load detecting purposes
		123
86	binmode STDOUT;	124	binmode STDOUT;
87	binmode STDERR;	125	binmode STDERR;
88		126
89	# read virtual server time, if available	127	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
94	}	132	}
95		133
96	mkdir cf::localdir;	134	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		136
103	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
104		138
105	sub cf::map::normalise;	139	sub cf::map::normalise;
106		140
…		…
117	=item $cf::RUNTIME	151	=item $cf::RUNTIME
118		152
119	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
120	every server tick.	154	every server tick.
121		155
122	=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
123		159
124	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		164
127	=item $cf::NOW	165	=item $cf::NOW
128		166
129	The time of the last (current) server tick.	167	The time of the last (current) server tick.
130		168
131	=item $cf::TICK	169	=item $cf::TICK
132		170
133	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	183	=item %cf::CFG
136		184
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	186	from wherever your confdir points to.
139		187
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		189
142	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
143	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
144	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.
145		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
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
…		…
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153		207
154	$msg .= "\n"	208	$msg .= "\n"
155	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
156		210
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		212
159	utf8::encode $msg;
160	LOG llevError, $msg;	213	LOG llevError, $msg;
161	};	214	};
162	}	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#?
163		231
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		239
171	# 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
172	# within the Safe compartment.	241	# within the Safe compartment.
173	for my $pkg (qw(	242	for my $pkg (qw(
174	cf::global cf::attachable	243	cf::global cf::attachable
…		…
179	)) {	248	)) {
180	no strict 'refs';	249	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	251	}
183		252
184	$Event::DIED = sub {	253	$EV::DIED = sub {
185	warn "error in event callback: @_";	254	warn "error in event callback: @_";
186	};	255	};
		256
		257	#############################################################################
187		258
188	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
189		260
190	=over 4	261	=over 4
191		262
…		…
210	$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;
211	$d	282	$d
212	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
213	}	284	}
214		285
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
218		287
219	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
220		289
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	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]) }
224		300
225	=item cf::lock_wait $string	301	=item cf::lock_wait $string
226		302
227	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
228		304
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
234	returned.	310	returned.
235		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
236	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
237	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
238		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
239	=cut	322	=cut
240		323
241	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
242		326
243	sub lock_wait($) {	327	sub lock_wait($) {
244	my ($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#
245		334
246	# wait for lock, if any	335	# wait for lock, if any
247	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	338	Coro::schedule;
…		…
255		344
256	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
257	lock_wait $key;	346	lock_wait $key;
258		347
259	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
260		350
261	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
264	}	355	}
265	}	356	}
266		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
267	sub freeze_mainloop {	364	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
269		366
270	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
271	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
272	};	428	}
273	$TICK_WATCHER->stop;	429	};
274	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		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	$sig->wait;
275	}	443	}
276		444
277	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
278		446
279	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		452
285	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
286		454
287	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
288		456
289	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
292		461
293	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
296	fast or be very important.	465	fast or be very important.
…		…
299		468
300	sub sync_job(&) {	469	sub sync_job(&) {
301	my ($job) = @_;	470	my ($job) = @_;
302		471
303	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
304	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
306		477
307	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	479
309	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
310		481
311	my $busy = 1;	482	my $busy = 1;
312	my @res;	483	my @res;
313		484
314	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	487	@res = eval { $job->() };
316	warn $@ if $@;	488	warn $@ if $@;
317	undef $busy;	489	undef $busy;
318	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
319		491
320	while ($busy) {	492	while ($busy) {
321	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
322	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
323		503
324	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
325	} else {	505	} else {
326	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
327		507
…		…
347	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
348		528
349	$coro	529	$coro
350	}	530	}
351		531
352	sub write_runtime {	532	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		533
355	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.
356		538
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
358	or return;
359		540
360	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		543
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
365	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
366		547
367	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	549	reset_signals;
369	and return;	550	&$cb
		551	}, @args;
370		552
371	close $fh	553	wantarray ? @res : $res[-1]
372	or return;	554	}
373		555
374	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
375	and return;
376		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
377	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
378	}	708	}
379		709
380	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
381		711
382	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.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
402		732
403	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>
404	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
405	crossfire+).	735	Deliantra).
406		736
407	=over 4	737	=over 4
408		738
409	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
410		740
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
574		904
575	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		909
580	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	911	my $pkg = shift @arg;
582		912
583	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
613	}	943	}
614		944
615	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
616	} else {	946	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	948	}
619		949
620	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
621	}	951	}
622		952
…		…
624	if (ref $_[0]) {	954	if (ref $_[0]) {
625	_object_attach @_;	955	_object_attach @_;
626	} else {	956	} else {
627	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
628	}	958	}
		959	_recalc_want;
629	};	960	};
630		961
631	# all those should be optimised	962	# all those should be optimised
632	sub cf::attachable::detach {	963	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
637	reattach ($obj);	968	reattach ($obj);
638	} else {	969	} else {
639	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
640	}	971	}
		972	_recalc_want;
641	};	973	};
642		974
643	sub cf::attachable::attached {	975	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
645		977
…		…
660	";	992	";
661	die if $@;	993	die if $@;
662	}	994	}
663		995
664	our $override;	996	our $override;
665	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?
666		998
667	sub override {	999	sub override {
668	$override = 1;	1000	$override = 1;
669	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
670	}	1002	}
671		1003
672	sub do_invoke {	1004	sub do_invoke {
673	my $event = shift;	1005	my $event = shift;
674	my $callbacks = shift;	1006	my $callbacks = shift;
675		1007
676	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
677		1009
678	local $override;	1010	local $override;
679		1011
680	for (@$callbacks) {	1012	for (@$callbacks) {
681	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
690	}	1022	}
691		1023
692	0	1024	0
693	}	1025	}
694		1026
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1028
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1030
699	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
700		1032
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1036
705	=back	1037	=back
706		1038
707	=cut	1039	=cut
708		1040
709	#############################################################################	1041	#############################################################################
710	# 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, $ob2
		1084	}
711		1085
712	sub reattach {	1086	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1088	my ($obj) = @_;
715		1089
…		…
736	cf::attachable->attach (	1110	cf::attachable->attach (
737	prio => -1000000,	1111	prio => -1000000,
738	on_instantiate => sub {	1112	on_instantiate => sub {
739	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
740		1114
741	$data = from_json $data;	1115	$data = decode_json $data;
742		1116
743	for (@$data) {	1117	for (@$data) {
744	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
745		1119
746	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1136	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
764		1138
765	sync_job {	1139	sync_job {
766	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
769		1144
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1149	close $fh;
775		1150
776	if (@$objs) {	1151	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1157	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
784	}	1159	}
…		…
792	}	1167	}
793	} else {	1168	} else {
794	aio_unlink $filename;	1169	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
796	}	1171	}
797	}	1172	};
798	}	1173	}
799		1174
800	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
802		1177
…		…
814	or return;	1189	or return;
815		1190
816	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
818	or return;	1193	or return;
		1194
819	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
820	}	1197	}
821		1198
		1199	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
824	return ($data, $av);	1203	($data, $av)
825	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
826		1211
827	#############################################################################	1212	#############################################################################
828	# command handling &c	1213	# command handling &c
829		1214
830	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1229	}
845		1230
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1232
848	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.
849		1238
850	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
851	called.	1240	called.
852		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
853	=cut	1253	=cut
854		1254
855	sub register_extcmd {	1255	sub register_extcmd {
856	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
857		1257
858	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
859	}	1265	}
860		1266
861	cf::player->attach (	1267	cf::player->attach (
862	on_command => sub {	1268	on_command => sub {
863	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1278	cf::override;
873	},	1279	},
874	on_extcmd => sub {	1280	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
876		1282
877	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1284
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
885	} else {	1300	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1302	}
888		1303
889	cf::override;	1304	cf::override;
890	},	1305	},
891	);	1306	);
892		1307
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
928	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1313	next unless -r $path;
930	eval {	1314
931	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	$progress = 1;
932	1	1371	}
933	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
934	}	1377	};
935	}	1378	}
936		1379
937	#############################################################################	1380	#############################################################################
938		1381
		1382	=back
		1383
939	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
940		1385
941	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
942		1387
943	=cut	1388	=cut
…		…
948		1393
949	=head3 cf::player	1394	=head3 cf::player
950		1395
951	=over 4	1396	=over 4
952		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
953	=item cf::player::find $login	1412	=item cf::player::find $login
954		1413
955	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
956		1415
957	=cut	1416	=cut
958		1417
959	sub playerdir($) {	1418	sub playerdir($) {
960	cf::localdir	1419	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1421	}
966		1422
967	sub path($) {	1423	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
999		1455
1000	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1003	}	1464	}
1004	}	1465	}
1005	}	1466	}
1006		1467
…		…
1015	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1016		1477
1017	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1019		1480
		1481	cf::get_slot 0.01;
		1482
1020	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1021	Coro::cede;	1484	cf::cede_to_tick;
1022	}	1485	}
1023		1486
1024	sub new($) {	1487	sub new($) {
1025	my ($login) = @_;	1488	my ($login) = @_;
1026		1489
…		…
1030	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1031		1494
1032	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1033		1496
1034	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1035	}	1508	}
1036		1509
1037	=item $pl->quit_character	1510	=item $pl->quit_character
1038		1511
1039	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1089		1562
1090	=cut	1563	=cut
1091		1564
1092	sub list_logins {	1565	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1567	or return [];
1095		1568
1096	my @logins;	1569	my @logins;
1097		1570
1098	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1102		1580
1103	utf8::decode $login;	1581	utf8::decode $login;
1104	push @logins, $login;	1582	push @logins, $login;
1105	}	1583	}
1106		1584
…		…
1133	}	1611	}
1134		1612
1135	\@paths	1613	\@paths
1136	}	1614	}
1137		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1138	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1139		1710
1140	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1141		1712
1142	=cut	1713	=cut
1143		1714
1144	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1146		1717
1147	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1719	}
1151		1720
1152	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1153		1722
1154	Sends an ext event to the client.	1723	Sends an ext event to the client.
1155		1724
1156	=cut	1725	=cut
1157		1726
1158	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1160		1729
1161	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1162	}	1731	}
1163		1732
1164	=head3 cf::region	1733	=head3 cf::region
1165		1734
1166	=over 4	1735	=over 4
…		…
1169		1738
1170	package cf::region;	1739	package cf::region;
1171		1740
1172	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1173		1742
1174	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1175		1744
1176	=cut	1745	=cut
1177		1746
1178	sub find_by_path($) {	1747	sub find_by_path($) {
1179	my ($path) = @_;	1748	my ($path) = @_;
1180		1749
1181	my ($match, $specificity);	1750	my ($match, $specificity);
1182		1751
1183	for my $region (list) {	1752	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1187	}	1756	}
1188	}	1757	}
1189		1758
…		…
1210	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1212		1781
1213	sub generate_random_map {	1782	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1215	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1788	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1254		1826
1255	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1256	local $self->{path};	1828	local $self->{path};
1257	local $self->{load_path};	1829	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1830
1261	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1262	}	1832	}
1263		1833
1264	sub normalise {	1834	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1312	return $self;	1882	return $self;
1313	}	1883	}
1314	}	1884	}
1315		1885
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1887	()
1318	}	1888	}
1319		1889
1320	sub init {	1890	sub init {
1321	my ($self) = @_;	1891	my ($self) = @_;
…		…
1336		1906
1337	# the original (read-only) location	1907	# the original (read-only) location
1338	sub load_path {	1908	sub load_path {
1339	my ($self) = @_;	1909	my ($self) = @_;
1340		1910
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1342	}	1912	}
1343		1913
1344	# the temporary/swap location	1914	# the temporary/swap location
1345	sub save_path {	1915	sub save_path {
1346	my ($self) = @_;	1916	my ($self) = @_;
1347		1917
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1350	}	1920	}
1351		1921
1352	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1353	sub uniq_path {	1923	sub uniq_path {
1354	my ($self) = @_;	1924	my ($self) = @_;
1355		1925
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1358	}	1928	}
1359		1929
1360	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1361	# all maps in C++...	1931	# all maps in C++...
1362	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1364		1934
1365	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1367	}	1937	}
1368		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1369	sub unlink_save {	1947	sub unlink_save {
1370	my ($self) = @_;	1948	my ($self) = @_;
1371		1949
1372	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1954
1377	sub load_header_from($) {	1955	sub load_header_from($) {
1378	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1379		1957
1380	utf8::encode $path;	1958	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1386		1967
1387	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1388		1969
1389	1	1970	1
1390	}	1971	}
…		…
1429	$self->load_header_orig	2010	$self->load_header_orig
1430	or return;	2011	or return;
1431	$self->prepare_orig;	2012	$self->prepare_orig;
1432	}	2013	}
1433		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1434	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2019	unless $self->default_region;
1436		2020
1437	1	2021	1
1438	}	2022	}
…		…
1441	sub find {	2025	sub find {
1442	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1443		2027
1444	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1445		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1447		2032
1448	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1450	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1451	or return;	2038	or return;
1452		2039
1453	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1454		2041
1455	$map->load_header	2042	$map->load_header
1456	or return;	2043	or return;
1457		2044
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1461	$map->reset;	2050	$map->reset;
1462	undef $guard;
1463	return find $path;	2051	return find $path;
1464	}	2052	}
1465		2053
1466	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1467	}	2055	}
…		…
1474	my ($self) = @_;	2062	my ($self) = @_;
1475		2063
1476	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1477		2065
1478	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1480		2070
		2071	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2073
1483	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1484		2075
1485	$self->alloc;	2076	$self->alloc;
1486		2077
1487	$self->pre_load;	2078	$self->pre_load;
1488	Coro::cede;	2079	cf::cede_to_tick;
1489		2080
1490	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1491	or return;	2084	or return;
1492		2085
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2087	if delete $self->{load_original};
1495		2088
1496	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2090	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2093	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1501	}	2097	}
1502	}	2098	}
1503		2099
1504	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1505	# now do the right thing for maps	2103	# now do the right thing for maps
1506	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2106	unless $self->difficulty;
1517	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1518	$self->activate;	2116	$self->activate;
1519	Coro::cede;	2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2123	}
1521		2124
1522	$self->post_load;	2125	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2126	}
1527		2127
1528	sub customise_for {	2128	sub customise_for {
1529	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1530		2130
1531	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2132	if $self->per_player;
1533		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1534	$self	2137	$self
1535	}	2138	}
1536		2139
1537	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2141	sub load_neighbours {
1539	my ($map) = @_;	2142	my ($map) = @_;
1540		2143
1541	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1542		2145
1543	for (0 .. 3) {	2146	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1545	or next;	2148	or next;
1546	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1547	or next;	2150	or next;
1548	$neigh->load;	2151	$neigh->load;
1549		2152
		2153	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2156	}
1553		2157
1554	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1556	or next;	2161	or next;
1557	$neigh->load;	2162	$neigh->load;
1558	}	2163	}
1559	}	2164	}
1560		2165
…		…
1565	}	2170	}
1566		2171
1567	sub do_load_sync {	2172	sub do_load_sync {
1568	my ($map) = @_;	2173	my ($map) = @_;
1569		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1570	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1571	}	2179	}
1572		2180
1573	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1575		2183
1576	sub find_async {	2184	sub find_async {
1577	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1578		2186
1579	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1580		2188
1581	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2191	}
1584		2192
1585	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1586	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1587	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2200	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2201	$map->load if $v;
		2202	}
1592		2203
1593	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1594	}	2205	}
1595	}	2206	}
1596	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1597	};	2208	};
1598	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2212	}
1602		2213
1603	sub save {	2214	sub save {
1604	my ($self) = @_;	2215	my ($self) = @_;
1605		2216
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2218
1608	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1609		2220
1610	return unless $self->dirty;	2221	return unless $self->dirty;
1611		2222
…		…
1617	return if $self->{deny_save};	2228	return if $self->{deny_save};
1618		2229
1619	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1620		2231
1621	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1623	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1624		2238
1625	if ($uniq) {	2239	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2242	} else {
…		…
1634	my ($self) = @_;	2248	my ($self) = @_;
1635		2249
1636	# save first because save cedes	2250	# save first because save cedes
1637	$self->save;	2251	$self->save;
1638		2252
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2254
1641	return if $self->players;	2255	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2257	return if $self->{deny_save};
1644		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2263	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2264	}
1648		2265
1649	sub reset_at {	2266	sub reset_at {
1650	my ($self) = @_;	2267	my ($self) = @_;
1651		2268
1652	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1655		2271
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2274
…		…
1669	my ($self) = @_;	2285	my ($self) = @_;
1670		2286
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2288
1673	return if $self->players;	2289	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2290
1676	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1677		2292
1678	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1679		2294
1680	# need to save uniques path	2295	# need to save uniques path
1681	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2300	if $uniq;
1686	}	2301	}
1687		2302
1688	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1689		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2307	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2308
1694	$self->unlink_save;	2309	$self->unlink_save;
1695	$self->destroy;	2310	$self->destroy;
1696	}	2311	}
1697		2312
1698	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1699		2314
1700	sub nuke {	2315	sub nuke {
1701	my ($self) = @_;	2316	my ($self) = @_;
1702		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1703	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1704		2322
1705	$self->unlink_save;	2323	$self->unlink_save;
1706		2324
1707	bless $self, "cf::map";	2325	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2330
1713	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1714		2333
1715	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1716	}	2371	}
1717		2372
1718	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1719		2374
1720	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2376	instantiated unique items. May block.
1722		2377
1723	=cut	2378	=cut
1724		2379
1725	sub unique_maps() {	2380	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1727	or return;	2382	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2383	utf8::decode $_;
1733	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2386	? ()
1736	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2389	]
1738
1739	\@paths
1740	}	2390	}
1741
1742	package cf;
1743		2391
1744	=back	2392	=back
1745		2393
1746	=head3 cf::object	2394	=head3 cf::object
1747		2395
…		…
1751		2399
1752	=over 4	2400	=over 4
1753		2401
1754	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1755		2403
1756	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1757		2406
1758	=cut	2407	=cut
1759		2408
1760	sub inv_recursive_;	2409	sub inv_recursive_;
1761	sub inv_recursive_ {	2410	sub inv_recursive_ {
1762	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1763	}	2412	}
1764		2413
1765	sub inv_recursive {	2414	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1767	}	2444	}
1768		2445
1769	package cf;	2446	package cf;
1770		2447
1771	=back	2448	=back
…		…
1790		2467
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2469
1793	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1795	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1798	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1799	}	2495	}
1800		2496
1801	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1802		2498
1803	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1851		2547
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2549
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1856		2552
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2554	}
1859		2555
1860	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1862		2560
1863	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1864		2562
1865	unless ($map) {	2563	unless ($map) {
1866	# restore original map position	2564	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1883		2581
1884	$map->load;	2582	$map->load;
1885	$map->load_diag;	2583	$map->load_neighbours;
1886		2584
1887	return unless $self->contr->active;	2585	return unless $self->contr->active;
1888	$self->activate_recursive;	2586	$self->activate_recursive;
1889		2587
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1892	}	2590	}
1893		2591
1894	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2593
1898	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1902	};	2598	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2599
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1929		2603
1930	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2609
1933	$self->enter_link;	2610	$self->enter_link;
1934		2611
1935	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1936	my $map = eval {	2634	my $map = eval {
1937	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1939	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2650	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1944	})->prio (1);	2658	})->prio (1);
1945	}	2659	}
1946		2660
1947	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1948		2662
…		…
1985	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1986	}	2700	}
1987		2701
1988	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1989		2703
1990	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1993		2707
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2710	undef $fh;
1997	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2019		2733
2020	$self->enter_link;	2734	$self->enter_link;
2021		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2022	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2023	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2744	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2026		2746
2027	1;	2747	1;
…		…
2053		2773
2054	utf8::encode $text;	2774	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2776	}
2057		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2058	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2059		2903
2060	Sends an exti event to the client.	2904	Sends an ext event to the client.
2061		2905
2062	=cut	2906	=cut
2063		2907
2064	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2066		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2069	}	2935	}
2070		2936
2071	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2072		2938
2073	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2942
2077	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2944	become reliable at some point in the future.
2079		2945
2080	=cut	2946	=cut
2081		2947
2082	sub cf::client::query {	2948	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2957	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2959
2094	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2096	}	2964	}
2097		2965
2098	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2099	on_reply => sub {	2972	on_reply => sub {
2100	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2101		2974
2102	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2103	# get handled first	2976	# get handled first
…		…
2115	} else {	2988	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2990	}
2118	}	2991	}
2119	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2120	);	3019	);
2121		3020
2122	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2123		3022
2124	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2167		3066
2168	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2169		3068
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2171		3074
2172	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2173		3076
2174	=pod	3077	=pod
2175		3078
2176	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2177		3080
2178	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2179	cf::object::player player	3085	cf::object::player
2180	cf::player peaceful	3086	player
2181	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2182		3093
2183	=cut	3094	=cut
2184		3095
2185	for (	3096	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2190	) {	3103	) {
2191	no strict 'refs';	3104	no strict 'refs';
…		…
2262	=back	3175	=back
2263		3176
2264	=cut	3177	=cut
2265		3178
2266	#############################################################################	3179	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3180	# the server's init and main functions
2437		3181
2438	sub load_facedata($) {	3182	sub load_facedata($) {
2439	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3190
2441	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2442		3192
2443	my $facedata;	3193	my $facedata;
2444	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2448		3198
2449	$facedata->{version} == 2	3199	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2452	{	3209	{
2453	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2454		3211
2455	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3219
		3220	cf::cede_to_tick;
2461	}	3221	}
2462		3222
2463	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2465	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2466	or next;	3227	or next;
		3228
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3232	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3234	}
2472	Coro::cede;	3235
		3236	cf::cede_to_tick;
2473	}	3237	}
2474	}	3238	}
2475		3239
2476	{	3240	{
2477	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2478		3242
2479	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3245	cf::cede_to_tick;
2482	}	3246	}
2483		3247
2484	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2485	}	3249	}
2486		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2487	1	3286	1
2488	}	3287	}
2489		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
		3322	load_resource_file "$MAPDIR/regions"
		3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
		3329	}
		3330
2490	sub reload_facedata {	3331	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3332	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3333	or die "unable to load facedata\n";
2493	}	3334	}
2494		3335
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3336	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3337	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3338	or die "unable to load archetypes\n";
		3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
2503	}	3344	}
2504		3345
2505	sub reload_treasures {	3346	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3347	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2508	}	3349	}
2509		3350
2510	sub reload_resources {	3351	sub reload_resources {
2511	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2512		3353
2513	reload_regions;	3354	reload_regions;
2514	reload_facedata;	3355	reload_facedata;
		3356	#reload_archetypes;#d#
2515	reload_archetypes;	3357	reload_archetypes;
2516	reload_treasures;	3358	reload_treasures;
2517		3359
2518	warn "finished reloading resource files\n";	3360	warn "finished reloading resource files\n";
2519	}	3361	}
2520		3362
2521	sub init {	3363	sub init {
2522	reload_resources;	3364	reload_resources;
2523	}	3365	}
2524		3366
2525	sub cfg_load {	3367	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3369	or return;
2528		3370
2529	local $/;	3371	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2531		3373
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3375
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2546	sub main {	3388	sub main {
2547	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3392	(async {
2551	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2553	};	3396	};
2554		3397
2555	cfg_load;	3398	reload_config;
2556	db_init;	3399	db_init;
2557	load_extensions;	3400	load_extensions;
2558		3401
2559	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2560	Event::loop;	3404	EV::loop;
2561	}	3405	}
2562		3406
2563	#############################################################################	3407	#############################################################################
2564	# initialisation and cleanup	3408	# initialisation and cleanup
2565		3409
2566	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2567	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2576	},
2577	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2578	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2579	}	3499	}
2580		3500
2581	sub emergency_save() {	3501	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2583		3503
…		…
2589	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3515	$pl->save;
2595	}	3516	}
2596	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2597		3518
2598	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2604	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2605		3526
2606	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2609	};	3534	};
2610		3535
2611	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2612	}	3537	}
2613		3538
…		…
2628	warn "reloading...";	3553	warn "reloading...";
2629		3554
2630	warn "entering sync_job";	3555	warn "entering sync_job";
2631		3556
2632	cf::sync_job {	3557	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3559	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2636		3561
2637	warn "syncing database to disk";	3562	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3564
2640	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646		3566
2647	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2648	for (;;) {	3568	for (;;) {
2649	BDB::flush;	3569	BDB::flush;
2650	IO::AIO::flush;	3570	IO::AIO::flush;
2651	Coro::cede;	3571	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3573	warn "iterate...";
2654	}	3574	}
2655		3575
2656	++$RELOAD;	3576	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3580	%EXT_CORO = ();
2661		3581
2662	warn "removing commands";	3582	warn "removing commands";
2663	%COMMAND = ();	3583	%COMMAND = ();
2664		3584
2665	warn "removing ext commands";	3585	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2667		3588
2668	warn "unloading/nuking all extensions";	3589	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2671		3592
…		…
2701	Symbol::delete_package "safe::$_"	3622	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3624
2704	warn "unloading cf.pm \"a bit\"";	3625	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3626	delete $INC{"cf.pm"};
		3627	delete $INC{"cf/pod.pm"};
2706		3628
2707	# don't, removes xs symbols, too,	3629	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3630	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3631	#Symbol::delete_package __PACKAGE__;
2710		3632
…		…
2713	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2714	require cf;	3636	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3638
2717	warn "loading config and database again";	3639	warn "loading config and database again";
2718	cf::cfg_load;	3640	cf::reload_config;
2719		3641
2720	warn "loading extensions";	3642	warn "loading extensions";
2721	cf::load_extensions;	3643	cf::load_extensions;
2722		3644
2723	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2730	warn "leaving sync_job";	3652	warn "leaving sync_job";
2731		3653
2732	1	3654	1
2733	} or do {	3655	} or do {
2734	warn $@;	3656	warn $@;
2735	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3658	};
2738		3659
2739	warn "reloaded";	3660	warn "reloaded";
2740	};	3661	};
2741		3662
…		…
2743		3664
2744	sub reload_perl() {	3665	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2747		3668
2748	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2749	reentrant => 0,
2750	after => 0,
2751	data => WF_AUTOCANCEL,
2752	cb => sub {
2753	do_reload_perl;	3670	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2755	},
2756	);	3672	};
2757	}	3673	}
2758		3674
2759	register_command "reload" => sub {	3675	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2761		3677
2762	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3682	reload_perl;
		3683	};
2765	}	3684	}
2766	};	3685	};
2767		3686
2768	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2769		3688
…		…
2771		3690
2772	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2774		3693
2775	sub wait_for_tick {	3694	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
2777	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
2778		3697
2779	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3700	$signal->wait;
2782	}	3701	}
2783		3702
2784	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
2786	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
2787		3706
2788	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3709	$signal->wait;
2791	}	3710	}
2792		3711
2793	$TICK_WATCHER = Event->timer (	3712	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
2803	return;	3716	return;
2804	}	3717	}
2805		3718
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2809		3720
2810	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;
2812
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3723	Coro::async_pool {
		3724	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3725	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3726	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3727	};
		3728	}
2820		3729
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3731	$sig->send;
2832	}	3732	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3734	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	3735	}
2839	);	3736
		3737	$LOAD = ($NOW - $TICK_START) / $TICK;
		3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3739
		3740	if (0) {
		3741	if ($NEXT_TICK) {
		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
		3746	}
		3747	}
2840		3748
2841	{	3749	{
2842	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3751
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
2852		3753	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3755
2868	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3762
2871	cf::sync_job {	3763	cf::sync_job {
2872	eval {	3764	eval {
2873	BDB::db_env_open	3765	BDB::db_env_open
2874	$DB_ENV,	3766	$DB_ENV,
2875	$BDB_ENV_DIR,	3767	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3770	0666;
2879		3771
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3773	};
2885		3774
2886	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3776	};
2888	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
2889	}	3788	}
2890		3789
2891	{	3790	{
		3791	# configure IO::AIO
		3792
2892	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
2897	reentrant => 0,	3796	}
2898	data => WF_AUTOCANCEL,	3797
2899	fd => IO::AIO::poll_fileno,	3798	my $_log_backtrace;
2900	poll => 'r',	3799
2901	prio => 6,	3800	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	3801	my ($msg, @addr) = @_;
2903	);	3802
		3803	$msg =~ s/\n//;
		3804
		3805	# limit the # of concurrent backtraces
		3806	if ($_log_backtrace < 2) {
		3807	++$_log_backtrace;
		3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
		3811	my @bt = fork_call {
		3812	@addr = map { sprintf "%x", $_ } @addr;
		3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3815	or die "addr2line: $!";
		3816
		3817	my @funcs;
		3818	my @res = <$fh>;
		3819	chomp for @res;
		3820	while (@res) {
		3821	my ($func, $line) = splice @res, 0, 2, ();
		3822	push @funcs, "[$func] $line";
		3823	}
		3824
		3825	@funcs
		3826	};
		3827
		3828	LOG llevInfo, "[ABT] $msg\n";
		3829	LOG llevInfo, "[ABT] $_\n" for @bt;
		3830	--$_log_backtrace;
		3831	};
		3832	} else {
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] [suppressed]\n";
		3835	}
2904	}	3836	}
2905		3837
2906	# load additional modules	3838	# load additional modules
2907	use cf::pod;	3839	use cf::pod;
2908		3840

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