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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	154	every server tick.
114		155
115	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		239
163	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
278	};	428	}
279	$TICK_WATCHER->stop;	429	};
280	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
281	}	443	}
282		444
283	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
284		446
285	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		452
291	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
292		454
293	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
294		456
295	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
298		461
299	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
302	fast or be very important.	465	fast or be very important.
…		…
305		468
306	sub sync_job(&) {	469	sub sync_job(&) {
307	my ($job) = @_;	470	my ($job) = @_;
308		471
309	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
310	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
312		477
313	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	479
315	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
316		481
317	my $busy = 1;	482	my $busy = 1;
318	my @res;	483	my @res;
319		484
320	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	487	@res = eval { $job->() };
322	warn $@ if $@;	488	warn $@ if $@;
323	undef $busy;	489	undef $busy;
324	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
325		491
326	while ($busy) {	492	while ($busy) {
327	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
328	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
329		503
330	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
331	} else {	505	} else {
332	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
333		507
…		…
353	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
354		528
355	$coro	529	$coro
356	}	530	}
357		531
358	sub write_runtime {	532	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		533
361	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.
362		538
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
364	or return;
365		540
366	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
371	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
372		547
373	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	549	reset_signals;
375	and return;	550	&$cb
		551	}, @args;
376		552
377	close $fh	553	wantarray ? @res : $res[-1]
378	or return;	554	}
379		555
380	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
381	and return;
382		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
383	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	719	}
385		720
386	=back	721	=back
387		722
388	=cut	723	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
397		732
398	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>
399	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
400	crossfire+).	735	Deliantra).
401		736
402	=over 4	737	=over 4
403		738
404	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
405		740
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
569		904
570	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		909
575	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	911	my $pkg = shift @arg;
577		912
578	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
608	}	943	}
609		944
610	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
611	} else {	946	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	948	}
614		949
615	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
616	}	951	}
617		952
…		…
619	if (ref $_[0]) {	954	if (ref $_[0]) {
620	_object_attach @_;	955	_object_attach @_;
621	} else {	956	} else {
622	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
623	}	958	}
		959	_recalc_want;
624	};	960	};
625		961
626	# all those should be optimised	962	# all those should be optimised
627	sub cf::attachable::detach {	963	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
632	reattach ($obj);	968	reattach ($obj);
633	} else {	969	} else {
634	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
635	}	971	}
		972	_recalc_want;
636	};	973	};
637		974
638	sub cf::attachable::attached {	975	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
640		977
…		…
655	";	992	";
656	die if $@;	993	die if $@;
657	}	994	}
658		995
659	our $override;	996	our $override;
660	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?
661		998
662	sub override {	999	sub override {
663	$override = 1;	1000	$override = 1;
664	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
665	}	1002	}
666		1003
667	sub do_invoke {	1004	sub do_invoke {
668	my $event = shift;	1005	my $event = shift;
669	my $callbacks = shift;	1006	my $callbacks = shift;
670		1007
671	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
672		1009
673	local $override;	1010	local $override;
674		1011
675	for (@$callbacks) {	1012	for (@$callbacks) {
676	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
685	}	1022	}
686		1023
687	0	1024	0
688	}	1025	}
689		1026
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1028
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1030
694	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
695		1032
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1036
700	=back	1037	=back
701		1038
702	=cut	1039	=cut
703		1040
704	#############################################################################	1041	#############################################################################
705	# 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, $ob2
		1084	}
706		1085
707	sub reattach {	1086	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1088	my ($obj) = @_;
710		1089
…		…
731	cf::attachable->attach (	1110	cf::attachable->attach (
732	prio => -1000000,	1111	prio => -1000000,
733	on_instantiate => sub {	1112	on_instantiate => sub {
734	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
735		1114
736	$data = from_json $data;	1115	$data = decode_json $data;
737		1116
738	for (@$data) {	1117	for (@$data) {
739	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
740		1119
741	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1136	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
759		1138
760	sync_job {	1139	sync_job {
761	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
764		1144
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1149	aio_close $fh;
770		1150
771	if (@$objs) {	1151	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1157	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
779	}	1159	}
780	} else {	1160	} else {
781	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
782	}	1162	}
…		…
787	}	1167	}
788	} else {	1168	} else {
789	aio_unlink $filename;	1169	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
791	}	1171	}
792	}	1172	};
793	}	1173	}
794		1174
795	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
797		1177
…		…
809	or return;	1189	or return;
810		1190
811	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
813	or return;	1193	or return;
		1194
814	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
815	}	1197	}
816		1198
		1199	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
819	return ($data, $av);	1203	($data, $av)
820	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
821		1211
822	#############################################################################	1212	#############################################################################
823	# command handling &c	1213	# command handling &c
824		1214
825	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1229	}
840		1230
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1232
843	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
844		1238
845	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
846	called.	1240	called.
847		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
848	=cut	1253	=cut
849		1254
850	sub register_extcmd {	1255	sub register_extcmd {
851	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
852		1257
853	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
854	}	1265	}
855		1266
856	cf::player->attach (	1267	cf::player->attach (
857	on_command => sub {	1268	on_command => sub {
858	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1278	cf::override;
868	},	1279	},
869	on_extcmd => sub {	1280	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
871		1282
872	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1284
874	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
880	} else {	1300	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1302	}
883		1303
884	cf::override;	1304	cf::override;
885	},	1305	},
886	);	1306	);
887		1307
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
923	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1313	next unless -r $path;
925	eval {	1314
926	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
927	1	1371	}
928	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
929	}	1377	};
930	}	1378	}
931		1379
932	#############################################################################	1380	#############################################################################
933		1381
		1382	=back
		1383
934	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
935		1385
936	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
937		1387
938	=cut	1388	=cut
…		…
943		1393
944	=head3 cf::player	1394	=head3 cf::player
945		1395
946	=over 4	1396	=over 4
947		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
948	=item cf::player::find $login	1412	=item cf::player::find $login
949		1413
950	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
951		1415
952	=cut	1416	=cut
953		1417
954	sub playerdir($) {	1418	sub playerdir($) {
955	cf::localdir	1419	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1421	}
961		1422
962	sub path($) {	1423	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1425
965	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
966	}	1427	}
967		1428
968	sub find_active($) {	1429	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1444	my $login = $_[0];
984		1445
985	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
986		1447
987	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
989	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
991	}	1465	}
992	}	1466	}
993	}	1467	}
994		1468
…		…
1003	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1004		1478
1005	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1007		1481
		1482	cf::get_slot 0.01;
		1483
1008	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1009	Coro::cede;	1485	cf::cede_to_tick;
1010	}	1486	}
1011		1487
1012	sub new($) {	1488	sub new($) {
1013	my ($login) = @_;	1489	my ($login) = @_;
1014		1490
…		…
1018	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1019		1495
1020	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1021		1497
1022	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1023	}	1509	}
1024		1510
1025	=item $pl->quit_character	1511	=item $pl->quit_character
1026		1512
1027	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1077		1563
1078	=cut	1564	=cut
1079		1565
1080	sub list_logins {	1566	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1568	or return [];
1083		1569
1084	my @logins;	1570	my @logins;
1085		1571
1086	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1090		1582
1091	utf8::decode $login;	1583	utf8::decode $login;
1092	push @logins, $login;	1584	push @logins, $login;
1093	}	1585	}
1094		1586
…		…
1121	}	1613	}
1122		1614
1123	\@paths	1615	\@paths
1124	}	1616	}
1125		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1127		1712
1128	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1129		1714
1130	=cut	1715	=cut
1131		1716
1132	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1134		1719
1135	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1721	}
1139		1722
1140	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1141		1763
1142	=back	1764	=back
1143
1144		1765
1145	=head3 cf::map	1766	=head3 cf::map
1146		1767
1147	=over 4	1768	=over 4
1148		1769
…		…
1160	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1162		1783
1163	sub generate_random_map {	1784	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1165	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1790	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1203	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1204		1828
1205	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1206	local $self->{path};	1830	local $self->{path};
1207	local $self->{load_path};	1831	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1832
1211	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1212	}	1834	}
1213		1835
1214	sub normalise {	1836	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1262	return $self;	1884	return $self;
1263	}	1885	}
1264	}	1886	}
1265		1887
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1889	()
1268	}	1890	}
1269		1891
1270	sub init {	1892	sub init {
1271	my ($self) = @_;	1893	my ($self) = @_;
…		…
1286		1908
1287	# the original (read-only) location	1909	# the original (read-only) location
1288	sub load_path {	1910	sub load_path {
1289	my ($self) = @_;	1911	my ($self) = @_;
1290		1912
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1292	}	1914	}
1293		1915
1294	# the temporary/swap location	1916	# the temporary/swap location
1295	sub save_path {	1917	sub save_path {
1296	my ($self) = @_;	1918	my ($self) = @_;
1297		1919
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1300	}	1922	}
1301		1923
1302	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1303	sub uniq_path {	1925	sub uniq_path {
1304	my ($self) = @_;	1926	my ($self) = @_;
1305		1927
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1308	}	1930	}
1309		1931
1310	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1311	# all maps in C++...	1933	# all maps in C++...
1312	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1314		1936
1315	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1317	}	1939	}
1318		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1319	sub unlink_save {	1949	sub unlink_save {
1320	my ($self) = @_;	1950	my ($self) = @_;
1321		1951
1322	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1956
1327	sub load_header_from($) {	1957	sub load_header_from($) {
1328	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1329		1959
1330	utf8::encode $path;	1960	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1336		1969
1337	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1338		1971
1339	1	1972	1
1340	}	1973	}
…		…
1379	$self->load_header_orig	2012	$self->load_header_orig
1380	or return;	2013	or return;
1381	$self->prepare_orig;	2014	$self->prepare_orig;
1382	}	2015	}
1383		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1384	1	2023	1
1385	}	2024	}
1386		2025
1387	sub find;	2026	sub find;
1388	sub find {	2027	sub find {
1389	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1390		2029
1391	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1392		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1394		2034
1395	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1396	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1397	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1398	or return;	2040	or return;
1399		2041
1400	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1401		2043
1402	$map->load_header	2044	$map->load_header
1403	or return;	2045	or return;
1404		2046
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1408	$map->reset;	2052	$map->reset;
1409	undef $guard;
1410	return find $path;	2053	return find $path;
1411	}	2054	}
1412		2055
1413	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1414	}	2057	}
…		…
1421	my ($self) = @_;	2064	my ($self) = @_;
1422		2065
1423	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1424		2067
1425	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1427		2072
		2073	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2075
1430	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1431		2077
1432	$self->alloc;	2078	$self->alloc;
1433		2079
1434	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1435		2082
1436	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1437	or return;	2086	or return;
1438		2087
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	2089	if delete $self->{load_original};
1441		2090
1442	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2092	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2095	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1447	}	2099	}
1448	}	2100	}
1449		2101
1450	Coro::cede;	2102	$f->resolve_delayed_derefs;
1451		2103
		2104	cf::cede_to_tick;
1452	# now do the right thing for maps	2105	# now do the right thing for maps
1453	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2108	unless $self->difficulty;
1463	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1464	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1465	}	2125	}
1466		2126
1467	$self->post_load;	2127	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2128	}
1471		2129
1472	sub customise_for {	2130	sub customise_for {
1473	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1474		2132
1475	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2134	if $self->per_player;
1477		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1478	$self	2139	$self
1479	}	2140	}
1480		2141
1481	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2143	sub load_neighbours {
1483	my ($map) = @_;	2144	my ($map) = @_;
1484		2145
1485	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1486		2147
1487	for (0 .. 3) {	2148	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1489	or next;	2150	or next;
1490	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1491	or next;	2152	or next;
1492	$neigh->load;	2153	$neigh->load;
1493		2154
		2155	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2158	}
1497		2159
1498	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1500	or next;	2163	or next;
1501	$neigh->load;	2164	$neigh->load;
1502	}	2165	}
1503	}	2166	}
1504		2167
…		…
1509	}	2172	}
1510		2173
1511	sub do_load_sync {	2174	sub do_load_sync {
1512	my ($map) = @_;	2175	my ($map) = @_;
1513		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1514	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1515	}	2181	}
1516		2182
1517	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1519		2185
1520	sub find_async {	2186	sub find_async {
1521	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1522		2188
1523	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1524		2190
1525	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2193	}
1528		2194
1529	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1530	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1531	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2202	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2203	$map->load if $v;
		2204	}
1536		2205
1537	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1538	}	2207	}
1539	}	2208	}
1540	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1541	};	2210	};
1542	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2214	}
1546		2215
1547	sub save {	2216	sub save {
1548	my ($self) = @_;	2217	my ($self) = @_;
1549		2218
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2220
1552	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1553		2222
1554	return unless $self->dirty;	2223	return unless $self->dirty;
1555		2224
…		…
1561	return if $self->{deny_save};	2230	return if $self->{deny_save};
1562		2231
1563	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1564		2233
1565	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1567	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1568		2240
1569	if ($uniq) {	2241	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2244	} else {
…		…
1578	my ($self) = @_;	2250	my ($self) = @_;
1579		2251
1580	# save first because save cedes	2252	# save first because save cedes
1581	$self->save;	2253	$self->save;
1582		2254
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2256
1585	return if $self->players;	2257	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1587	return if $self->{deny_save};	2259	return if $self->{deny_save};
1588		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2265	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2266	}
1592		2267
1593	sub reset_at {	2268	sub reset_at {
1594	my ($self) = @_;	2269	my ($self) = @_;
1595		2270
1596	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1599		2273
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2276
…		…
1613	my ($self) = @_;	2287	my ($self) = @_;
1614		2288
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2290
1617	return if $self->players;	2291	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2292
1620	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1621		2294
1622	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1623		2296
1624	# need to save uniques path	2297	# need to save uniques path
1625	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2302	if $uniq;
1630	}	2303	}
1631		2304
1632	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1633		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2309	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2310
1638	$self->unlink_save;	2311	$self->unlink_save;
1639	$self->destroy;	2312	$self->destroy;
1640	}	2313	}
1641		2314
1642	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1643		2316
1644	sub nuke {	2317	sub nuke {
1645	my ($self) = @_;	2318	my ($self) = @_;
1646		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1647	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1648		2324
1649	$self->unlink_save;	2325	$self->unlink_save;
1650		2326
1651	bless $self, "cf::map";	2327	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2332
1657	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1658		2335
1659	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1660	}	2373	}
1661		2374
1662	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1663		2376
1664	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2378	instantiated unique items. May block.
1666		2379
1667	=cut	2380	=cut
1668		2381
1669	sub unique_maps() {	2382	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1671	or return;	2384	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2385	utf8::decode $_;
1677	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2388	? ()
1680	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2391	]
1682
1683	\@paths
1684	}	2392	}
1685
1686	package cf;
1687		2393
1688	=back	2394	=back
1689		2395
1690	=head3 cf::object	2396	=head3 cf::object
1691		2397
…		…
1695		2401
1696	=over 4	2402	=over 4
1697		2403
1698	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1699		2405
1700	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1701		2408
1702	=cut	2409	=cut
1703		2410
1704	sub inv_recursive_;	2411	sub inv_recursive_;
1705	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1708		2415
1709	sub inv_recursive {	2416	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1711	}	2418	}
1712		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1713	package cf;	2448	package cf;
1714		2449
1715	=back	2450	=back
1716		2451
1717	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1726		2461
1727	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1728		2477
1729	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2479	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1734		2483
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2485
1737	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1739	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1742	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1743	}	2511	}
1744		2512
1745	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1746		2514
1747	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1795		2563
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2565
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1800		2568
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2570	}
1803		2571
1804	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1806		2576
1807	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1808		2578
1809	unless ($map) {	2579	unless ($map) {
1810	# restore original map position	2580	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1827		2597
1828	$map->load;	2598	$map->load;
1829	$map->load_diag;	2599	$map->load_neighbours;
1830		2600
1831	return unless $self->contr->active;	2601	return unless $self->contr->active;
1832	$self->activate_recursive;	2602	$self->activate_recursive;
1833		2603
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1836	}	2606	}
1837		2607
1838	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2609
1842	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1846	};	2614	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2615
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1873		2619
1874	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2625
1877	$self->enter_link;	2626	$self->enter_link;
1878		2627
1879	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1880	my $map = eval {	2650	my $map = eval {
1881	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1883	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2666	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1888	})->prio (1);	2674	})->prio (1);
1889	}	2675	}
1890		2676
1891	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1892		2678
…		…
1912	}	2698	}
1913		2699
1914	sub prepare_random_map {	2700	sub prepare_random_map {
1915	my ($exit) = @_;	2701	my ($exit) = @_;
1916		2702
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2705	# that depends on the exit object
1922		2706
1923	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2709	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
1930	}	2716	}
1931		2717
1932	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1933		2719
1934	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1937		2723
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2726	undef $fh;
1941	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
1942		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
1945	}	2735	}
1946	}	2736	}
1947		2737
1948	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
1950		2740
1951	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
1952		2742
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2743	$self->enter_link;
1963		2744
1964	(async {	2745	(async {
1965	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
1966	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
		2755	prepare_random_map $exit
		2756	if $exit->slaying eq "/!";
		2757	}
		2758
		2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
		2762
1967	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
1968		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
1969	1;	2769	1
1970	}) {	2770	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2775
1976	warn "ERROR in enter_exit: $@";	2776	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2777	$self->leave_link;
1978	}	2778	}
1979	})->prio (1);	2779	})->prio (1);
…		…
1992		2792
1993	sub cf::client::send_drawinfo {	2793	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2794	my ($self, $text, $flags) = @_;
1995		2795
1996	utf8::encode $text;	2796	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2798	}
1999		2799
		2800	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2801
		2802	Send a drawinfo or msg packet to the client, formatting the msg for the
		2803	client if neccessary. C<$type> should be a string identifying the type of
		2804	the message, with C<log> being the default. If C<$color> is negative, suppress
		2805	the message unless the client supports the msg packet.
		2806
		2807	=cut
		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
		2867	sub cf::client::send_msg {
		2868	my ($self, $channel, $msg, $color, @extra) = @_;
		2869
		2870	$msg = $self->pl->expand_cfpod ($msg);
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
		2883	} elsif (ref $channel) {
		2884	# send meta info to client, if not yet sent
		2885	unless (exists $self->{channel}{$channel->{id}}) {
		2886	$self->{channel}{$channel->{id}} = $channel;
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	if ($self->can_msg) {
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2903	} else {
		2904	if ($color >= 0) {
		2905	# replace some tags by gcfclient-compatible ones
		2906	for ($msg) {
		2907	1 while
		2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2913	}
		2914
		2915	$color &= cf::NDI_COLOR_MASK;
		2916
		2917	utf8::encode $msg;
		2918
		2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
		2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2922	} else {
		2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2924	$self->send_packet ("drawinfo $color $msg")
		2925	}
		2926	}
		2927	}
		2928	}
		2929
		2930	=item $client->ext_msg ($type, @msg)
		2931
		2932	Sends an ext event to the client.
		2933
		2934	=cut
		2935
		2936	sub cf::client::ext_msg($$@) {
		2937	my ($self, $type, @msg) = @_;
		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
		2942	push @msg, msgtype => "event_$type";
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
		2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2962	}
		2963	}
2000		2964
2001	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
2002		2966
2003	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2968	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2969	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2970
2007	Queries can fail, so check the return code. Or don't, as queries will become	2971	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2972	become reliable at some point in the future.
2009		2973
2010	=cut	2974	=cut
2011		2975
2012	sub cf::client::query {	2976	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2985	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2987
2024	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
2026	}	2992	}
2027		2993
2028	cf::client->attach (	2994	cf::client->attach (
		2995	on_connect => sub {
		2996	my ($ns) = @_;
		2997
		2998	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2999	},
2029	on_reply => sub {	3000	on_reply => sub {
2030	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2031		3002
2032	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2033	# get handled first	3004	# get handled first
…		…
2045	} else {	3016	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3018	}
2048	}	3019	}
2049	},	3020	},
		3021	on_exticmd => sub {
		3022	my ($ns, $buf) = @_;
		3023
		3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3025
		3026	if (ref $msg) {
		3027	my ($type, $reply, @payload) =
		3028	"ARRAY" eq ref $msg
		3029	? @$msg
		3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3031
		3032	my @reply;
		3033
		3034	if (my $cb = $EXTICMD{$type}) {
		3035	@reply = $cb->($ns, @payload);
		3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
		3041	} else {
		3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3043	}
		3044
		3045	cf::override;
		3046	},
2050	);	3047	);
2051		3048
2052	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2053		3050
2054	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2097		3094
2098	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2099		3096
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3097	$safe->permit_only (Opcode::opset qw(
		3098	:base_core :base_mem :base_orig :base_math
		3099	grepstart grepwhile mapstart mapwhile
		3100	sort time
		3101	));
2101		3102
2102	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2103		3104
2104	=pod	3105	=pod
2105		3106
2106	The following fucntions and emthods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2107		3108
2108	cf::object contr pay_amount pay_player map	3109	cf::object
		3110	contr pay_amount pay_player map x y force_find force_add destroy
		3111	insert remove name archname title slaying race decrease split
		3112
2109	cf::object::player player	3113	cf::object::player
2110	cf::player peaceful	3114	player
2111	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2112		3121
2113	=cut	3122	=cut
2114		3123
2115	for (	3124	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3126	insert remove inv nrof name archname title slaying race
		3127	decrease split destroy)],
2117	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2120	) {	3131	) {
2121	no strict 'refs';	3132	no strict 'refs';
…		…
2192	=back	3203	=back
2193		3204
2194	=cut	3205	=cut
2195		3206
2196	#############################################################################	3207	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	3208	# the server's init and main functions
2270		3209
2271	sub init_resources {	3210	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3211	my ($path) = @_;
		3212
		3213	# HACK to clear player env face cache, we need some signal framework
		3214	# for this (global event?)
		3215	%ext::player_env::MUSIC_FACE_CACHE = ();
		3216
		3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3218
		3219	warn "loading facedata from $path\n";
		3220
		3221	my $facedata;
		3222	0 < aio_load $path, $facedata
		3223	or die "$path: $!";
		3224
		3225	$facedata = Coro::Storable::thaw $facedata;
		3226
		3227	$facedata->{version} == 2
		3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3229
		3230	# patch in the exptable
		3231	$facedata->{resource}{"res/exp_table"} = {
		3232	type => FT_RSRC,
		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3234	};
		3235	cf::cede_to_tick;
		3236
		3237	{
		3238	my $faces = $facedata->{faceinfo};
		3239
		3240	while (my ($face, $info) = each %$faces) {
		3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3242
		3243	cf::face::set_visibility $idx, $info->{visibility};
		3244	cf::face::set_magicmap $idx, $info->{magicmap};
		3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	while (my ($face, $info) = each %$faces) {
		3252	next unless $info->{smooth};
		3253
		3254	my $idx = cf::face::find $face
		3255	or next;
		3256
		3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
		3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3260	} else {
		3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3262	}
		3263
		3264	cf::cede_to_tick;
		3265	}
		3266	}
		3267
		3268	{
		3269	my $anims = $facedata->{animinfo};
		3270
		3271	while (my ($anim, $info) = each %$anims) {
		3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	cf::anim::invalidate_all; # d'oh
		3277	}
		3278
		3279	{
		3280	# TODO: for gcfclient pleasure, we should give resources
		3281	# that gcfclient doesn't grok a >10000 face index.
		3282	my $res = $facedata->{resource};
		3283
		3284	while (my ($name, $info) = each %$res) {
		3285	if (defined $info->{type}) {
		3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
		3288
		3289	if ($info->{type} & 1) {
		3290	# prepend meta info
		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
		3297	$data = pack "(w/a*)*", $meta, $info->{data};
		3298	} else {
		3299	$data = $info->{data};
		3300	}
		3301
		3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
		3304	} else {
		3305	$RESOURCE{$name} = $info;
		3306	}
		3307
		3308	cf::cede_to_tick;
		3309	}
		3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3313
		3314	1
		3315	}
		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
		3336
		3337	register_exticmd fx_want => sub {
		3338	my ($ns, $want) = @_;
		3339
		3340	while (my ($k, $v) = each %$want) {
		3341	$ns->fx_want ($k, $v);
		3342	}
		3343	};
		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
		3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3361	or die "unable to load regions file\n";
2274	}
2275		3362
2276	sub cfg_load {	3363	for (cf::region::list) {
		3364	$_->{match} = qr/$_->{match}/
		3365	if exists $_->{match};
		3366	}
		3367	}
		3368
		3369	sub reload_facedata {
		3370	load_facedata "$DATADIR/facedata"
		3371	or die "unable to load facedata\n";
		3372	}
		3373
		3374	sub reload_archetypes {
		3375	load_resource_file "$DATADIR/archetypes"
		3376	or die "unable to load archetypes\n";
		3377	}
		3378
		3379	sub reload_treasures {
		3380	load_resource_file "$DATADIR/treasures"
		3381	or die "unable to load treasurelists\n";
		3382	}
		3383
		3384	sub reload_resources {
		3385	warn "reloading resource files...\n";
		3386
		3387	reload_facedata;
		3388	reload_archetypes;
		3389	reload_regions;
		3390	reload_treasures;
		3391
		3392	warn "finished reloading resource files\n";
		3393	}
		3394
		3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
		3398	reload_resources;
		3399	}
		3400
		3401	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3403	or return;
2279		3404
2280	local $/;	3405	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2282		3407
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3409
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2292	};	3417	};
2293	warn $@ if $@;	3418	warn $@ if $@;
2294	}	3419	}
2295	}	3420	}
2296		3421
2297	sub init {
2298	init_resources;
2299	}
2300
2301	sub main {	3422	sub main {
2302	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3426	(async {
2306	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2308	};	3430	};
2309		3431
2310	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
2311	db_init;	3435	db_init;
2312	load_extensions;	3436	load_extensions;
2313		3437
2314	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
2315	Event::loop;	3442	EV::loop;
2316	}	3443	}
2317		3444
2318	#############################################################################	3445	#############################################################################
2319	# initialisation and cleanup	3446	# initialisation and cleanup
2320		3447
2321	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2322	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2331	},
2332	);	3454	};
		3455	}
		3456	}
		3457
		3458	sub write_runtime_sync {
		3459	my $runtime = "$LOCALDIR/runtime";
		3460
		3461	# first touch the runtime file to show we are still running:
		3462	# the fsync below can take a very very long time.
		3463
		3464	IO::AIO::aio_utime $runtime, undef, undef;
		3465
		3466	my $guard = cf::lock_acquire "write_runtime";
		3467
		3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3469	or return;
		3470
		3471	my $value = $cf::RUNTIME + 90 + 10;
		3472	# 10 is the runtime save interval, for a monotonic clock
		3473	# 60 allows for the watchdog to kill the server.
		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	# touch it again to show we are up-to-date
		3483	aio_utime $fh, undef, undef;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$runtime~", $runtime
		3489	and return;
		3490
		3491	warn "runtime file written.\n";
		3492
2333	}	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2334	}	3537	}
2335		3538
2336	sub emergency_save() {	3539	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2338		3541
…		…
2344	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2346	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3553	$pl->save;
2350	}	3554	}
2351	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2352		3556
2353	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2359	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
2360		3564
2361	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
2364	};	3572	};
2365		3573
2366	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2367	}	3575	}
2368		3576
…		…
2371		3579
2372	warn Carp::longmess "post_cleanup backtrace"	3580	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3581	if $make_core;
2374	}	3582	}
2375		3583
2376	sub reload() {	3584	sub do_reload_perl() {
2377	# can/must only be called in main	3585	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2380	return;	3588	return;
2381	}	3589	}
…		…
2383	warn "reloading...";	3591	warn "reloading...";
2384		3592
2385	warn "entering sync_job";	3593	warn "entering sync_job";
2386		3594
2387	cf::sync_job {	3595	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2389	cf::emergency_save;	3597	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2391		3599
2392	warn "syncing database to disk";	3600	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3602
2395	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401		3604
2402	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2403	for (;;) {	3606	for (;;) {
2404	BDB::flush;	3607	BDB::flush;
2405	IO::AIO::flush;	3608	IO::AIO::flush;
2406	Coro::cede;	3609	Coro::cede_notself;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3611	warn "iterate...";
2409	}	3612	}
		3613
		3614	++$RELOAD;
2410		3615
2411	warn "cancelling all extension coros";	3616	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3617	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3618	%EXT_CORO = ();
2414		3619
2415	warn "removing commands";	3620	warn "removing commands";
2416	%COMMAND = ();	3621	%COMMAND = ();
2417		3622
2418	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2420		3626
2421	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2424		3630
…		…
2454	Symbol::delete_package "safe::$_"	3660	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3662
2457	warn "unloading cf.pm \"a bit\"";	3663	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3664	delete $INC{"cf.pm"};
		3665	delete $INC{"cf/pod.pm"};
2459		3666
2460	# don't, removes xs symbols, too,	3667	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3668	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3669	#Symbol::delete_package __PACKAGE__;
2463		3670
…		…
2466	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2467	require cf;	3674	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3676
2470	warn "loading config and database again";	3677	warn "loading config and database again";
2471	cf::cfg_load;	3678	cf::reload_config;
2472		3679
2473	warn "loading extensions";	3680	warn "loading extensions";
2474	cf::load_extensions;	3681	cf::load_extensions;
2475		3682
2476	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
2478	warn "reattaching attachments to maps";	3685	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3686	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3687	warn "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3688	reattach $_ for values %PLAYER;
2482		3689
2483	warn "loading reloadable resources";
2484	init_resources;
2485
2486	warn "leaving sync_job";	3690	warn "leaving sync_job";
2487		3691
2488	1	3692	1
2489	} or do {	3693	} or do {
2490	warn $@;	3694	warn $@;
2491	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
2492	exit 1;
2493	};	3696	};
2494		3697
2495	warn "reloaded";	3698	warn "reloaded";
2496	};	3699	};
2497		3700
2498	our $RELOAD_WATCHER; # used only during reload	3701	our $RELOAD_WATCHER; # used only during reload
2499		3702
		3703	sub reload_perl() {
		3704	# doing reload synchronously and two reloads happen back-to-back,
		3705	# coro crashes during coro_state_free->destroy here.
		3706
		3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3708	do_reload_perl;
		3709	undef $RELOAD_WATCHER;
		3710	};
		3711	}
		3712
2500	register_command "reload" => sub {	3713	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2502		3715
2503	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
2505		3718	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	3719	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	3720	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	3721	};
2518	}	3722	}
2519	};	3723	};
2520		3724
2521	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2522		3726
2523	my $bug_warning = 0;	3727	my $bug_warning = 0;
2524		3728
2525	$TICK_WATCHER = Event->timer (	3729	our @WAIT_FOR_TICK;
2526	reentrant => 0,	3730	our @WAIT_FOR_TICK_BEGIN;
2527	parked => 1,	3731
2528	prio => 0,	3732	sub wait_for_tick {
2529	at => $NEXT_TICK || $TICK,	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2530	data => WF_AUTOCANCEL,	3734
2531	cb => sub {	3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub wait_for_tick_begin {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK_BEGIN, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub tick {
2532	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2535	return;	3752	return;
2536	}	3753	}
2537		3754
2538	$NOW = Event::time;
2539
2540	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2541	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;
2543		3756
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546	Coro::async_pool {	3759	Coro::async_pool {
		3760	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	3761	write_runtime_sync
2548	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
2549	};
2550	}	3763	};
2551
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#
2557
2558	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2560
2561	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;
2563	},	3764	}
2564	);	3765
		3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3767	$sig->send;
		3768	}
		3769	while (my $sig = shift @WAIT_FOR_TICK) {
		3770	$sig->send;
		3771	}
		3772
		3773	$LOAD = ($NOW - $TICK_START) / $TICK;
		3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3775
		3776	if (0) {
		3777	if ($NEXT_TICK) {
		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
		3782	}
		3783	}
2565		3784
2566	{	3785	{
2567	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
2568	$BDB_POLL_WATCHER = Event->io (	3787
2569	reentrant => 0,
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;	3788	BDB::min_parallel 8;
2577		3789	BDB::max_poll_reqs $TICK * 0.1;
2578	BDB::set_sync_prepare {	3790	$Coro::BDB::WATCHER->priority (1);
2579	my $status;
2580	my $current = $Coro::current;
2581	(
2582	sub {
2583	$status = $!;
2584	$current->ready; undef $current;
2585	},
2586	sub {
2587	Coro::schedule while defined $current;
2588	$! = $status;
2589	},
2590	)
2591	};
2592		3791
2593	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		3798
2596	cf::sync_job {	3799	cf::sync_job {
2597	eval {	3800	eval {
2598	BDB::db_env_open	3801	BDB::db_env_open
2599	$DB_ENV,	3802	$DB_ENV,
2600	$BDB_ENV_DIR,	3803	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	3806	0666;
2604		3807
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	3809	};
2610		3810
2611	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	3812	};
2613	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2614	}	3824	}
2615		3825
2616	{	3826	{
		3827	# configure IO::AIO
		3828
2617	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2618
2619	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	3831	$Coro::AIO::WATCHER->priority (1);
2622	reentrant => 0,
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
		3847	my @bt = fork_call {
		3848	@addr = map { sprintf "%x", $_ } @addr;
		3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3851	or die "addr2line: $!";
		3852
		3853	my @funcs;
		3854	my @res = <$fh>;
		3855	chomp for @res;
		3856	while (@res) {
		3857	my ($func, $line) = splice @res, 0, 2, ();
		3858	push @funcs, "[$func] $line";
		3859	}
		3860
		3861	@funcs
		3862	};
		3863
		3864	LOG llevInfo, "[ABT] $msg\n";
		3865	LOG llevInfo, "[ABT] $_\n" for @bt;
		3866	--$_log_backtrace;
		3867	};
		3868	} else {
		3869	LOG llevInfo, "[ABT] $msg\n";
		3870	LOG llevInfo, "[ABT] [suppressed]\n";
		3871	}
		3872	}
		3873
		3874	# load additional modules
		3875	use cf::pod;
2630		3876
2631	END { cf::emergency_save }	3877	END { cf::emergency_save }
2632		3878
2633	1	3879	1
2634		3880

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