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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
27		58
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		66
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		68
37	our %COMMAND = ();	69	our %COMMAND = ();
38	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
39		71
40	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
44		77
		78	our $RELOAD; # number of reloads so far
45	our @EVENT;	79	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		80
48	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
49	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(!)
50	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	97	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		99
56	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	104	our $DB_ENV;
58		105
59	our %CFG;	106	our %CFG;
60		107
61	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
63		111
64	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		115
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		123
76	binmode STDOUT;	124	binmode STDOUT;
77	binmode STDERR;	125	binmode STDERR;
78		126
79	# read virtual server time, if available	127	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
84	}	132	}
85		133
86	mkdir cf::localdir;	134	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		136
93	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
94		138
95	sub cf::map::normalise;	139	sub cf::map::normalise;
96		140
…		…
107	=item $cf::RUNTIME	151	=item $cf::RUNTIME
108		152
109	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
110	every server tick.	154	every server tick.
111		155
112	=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
113		159
114	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		164
117	=item $cf::NOW	165	=item $cf::NOW
118		166
119	The time of the last (current) server tick.	167	The time of the last (current) server tick.
120		168
121	=item $cf::TICK	169	=item $cf::TICK
122		170
123	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	183	=item %cf::CFG
126		184
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	186	from wherever your confdir points to.
129		187
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		189
132	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
133	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
134	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.
135	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.
136		199
137	=back	200	=back
138		201
139	=cut	202	=cut
140		203
141	BEGIN {	204	BEGIN {
142	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	206	my $msg = join "", @_;
144	utf8::encode $msg;
145		207
146	$msg .= "\n"	208	$msg .= "\n"
147	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
148		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
149	LOG llevError, $msg;	213	LOG llevError, $msg;
150	};	214	};
151	}	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#?
152		231
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		239
160	# 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
161	# within the Safe compartment.	241	# within the Safe compartment.
162	for my $pkg (qw(	242	for my $pkg (qw(
163	cf::global cf::attachable	243	cf::global cf::attachable
…		…
168	)) {	248	)) {
169	no strict 'refs';	249	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	251	}
172		252
173	$Event::DIED = sub {	253	$EV::DIED = sub {
174	warn "error in event callback: @_";	254	warn "error in event callback: @_";
175	};	255	};
		256
		257	#############################################################################
176		258
177	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
178		260
179	=over 4	261	=over 4
180		262
…		…
199	$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;
200	$d	282	$d
201	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
202	}	284	}
203		285
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
207		287
208	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
209		289
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
220		293
221	=cut	294	=cut
222		295
223	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
225	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
227		300
228	=item cf::lock_wait $string	301	=item cf::lock_wait $string
229		302
230	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
231		304
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
237	returned.	310	returned.
238		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
239	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
240	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
241		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
242	=cut	322	=cut
243		323
244	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
245		326
246	sub lock_wait($) {	327	sub lock_wait($) {
247	my ($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#
248		334
249	# wait for lock, if any	335	# wait for lock, if any
250	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	338	Coro::schedule;
…		…
258		344
259	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
260	lock_wait $key;	346	lock_wait $key;
261		347
262	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
263		350
264	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
267	}	355	}
268	}	356	}
269		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
270	sub freeze_mainloop {	364	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
272		366
273	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	368	}
275	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
276	};	428	}
277	$WRITE_RUNTIME_WATCHER->stop;	429	};
278	$TICK_WATCHER->stop;	430
279	$guard	431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
280	}	441	}
281		442
282	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
283		444
284	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		450
290	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
291		452
292	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
293		454
294	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
297		459
298	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
301	fast or be very important.	463	fast or be very important.
…		…
304		466
305	sub sync_job(&) {	467	sub sync_job(&) {
306	my ($job) = @_;	468	my ($job) = @_;
307		469
308	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
309	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
311		475
312	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	477
314	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
315		479
316	my $busy = 1;	480	my $busy = 1;
317	my @res;	481	my @res;
318		482
319	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	485	@res = eval { $job->() };
321	warn $@ if $@;	486	warn $@ if $@;
322	undef $busy;	487	undef $busy;
323	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
324		489
325	while ($busy) {	490	while ($busy) {
326	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
327	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
328		501
329	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
330	} else {	503	} else {
331	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
332		505
…		…
352	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
353		526
354	$coro	527	$coro
355	}	528	}
356		529
357	sub write_runtime {	530	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		531
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
361	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
362		536
363	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		538
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
368	and return;	540	my ($cb, @args) = @_;
369		541
370	# always fsync - this file is important	542	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	543	# otherwise perl prematurely frees the stuff :/
372	and return;	544	# TODO: investigate and fix (likely this will be rather laborious)
373		545
374	close $fh	546	my @res = Coro::Util::fork_eval {
375	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
376		550
377	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
378	and return;	552	}
379		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
380	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	717	}
382		718
383	=back	719	=back
384		720
385	=cut	721	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
394		730
395	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	733	Deliantra).
398		734
399	=over 4	735	=over 4
400		736
401	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
402		738
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
566		902
567	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		907
572	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	909	my $pkg = shift @arg;
574		910
575	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
605	}	941	}
606		942
607	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
608	} else {	944	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	946	}
611		947
612	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
613	}	949	}
614		950
…		…
616	if (ref $_[0]) {	952	if (ref $_[0]) {
617	_object_attach @_;	953	_object_attach @_;
618	} else {	954	} else {
619	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
620	}	956	}
		957	_recalc_want;
621	};	958	};
622		959
623	# all those should be optimised	960	# all those should be optimised
624	sub cf::attachable::detach {	961	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
629	reattach ($obj);	966	reattach ($obj);
630	} else {	967	} else {
631	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
632	}	969	}
		970	_recalc_want;
633	};	971	};
634		972
635	sub cf::attachable::attached {	973	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
637		975
…		…
652	";	990	";
653	die if $@;	991	die if $@;
654	}	992	}
655		993
656	our $override;	994	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		996
659	sub override {	997	sub override {
660	$override = 1;	998	$override = 1;
661	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
662	}	1000	}
663		1001
664	sub do_invoke {	1002	sub do_invoke {
665	my $event = shift;	1003	my $event = shift;
666	my $callbacks = shift;	1004	my $callbacks = shift;
667		1005
668	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
669		1007
670	local $override;	1008	local $override;
671		1009
672	for (@$callbacks) {	1010	for (@$callbacks) {
673	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
682	}	1020	}
683		1021
684	0	1022	0
685	}	1023	}
686		1024
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1026
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1028
691	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
692		1030
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1034
697	=back	1035	=back
698		1036
699	=cut	1037	=cut
700		1038
701	#############################################################################	1039	#############################################################################
702	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
703		1083
704	sub reattach {	1084	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1086	my ($obj) = @_;
707		1087
…		…
728	cf::attachable->attach (	1108	cf::attachable->attach (
729	prio => -1000000,	1109	prio => -1000000,
730	on_instantiate => sub {	1110	on_instantiate => sub {
731	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
732		1112
733	$data = from_json $data;	1113	$data = decode_json $data;
734		1114
735	for (@$data) {	1115	for (@$data) {
736	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
737		1117
738	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1134	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
756		1136
757	sync_job {	1137	sync_job {
758	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
761		1142
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1147	close $fh;
767		1148
768	if (@$objs) {	1149	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1155	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
776	}	1157	}
…		…
784	}	1165	}
785	} else {	1166	} else {
786	aio_unlink $filename;	1167	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
788	}	1169	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1170	};
796	}	1171	}
797		1172
798	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
800		1175
…		…
805		1180
806	sub object_thawer_load {	1181	sub object_thawer_load {
807	my ($filename) = @_;	1182	my ($filename) = @_;
808		1183
809	my ($data, $av);	1184	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1185
814	(aio_load $filename, $data) >= 0	1186	(aio_load $filename, $data) >= 0
815	or return;	1187	or return;
816		1188
817	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
819	or return;	1191	or return;
		1192
820	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
821	}	1195	}
822		1196
		1197	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
825	return ($data, $av);	1201	($data, $av)
826	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
827		1209
828	#############################################################################	1210	#############################################################################
829	# command handling &c	1211	# command handling &c
830		1212
831	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1227	}
846		1228
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1230
849	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
850		1236
851	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
852	called.	1238	called.
853		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
854	=cut	1251	=cut
855		1252
856	sub register_extcmd {	1253	sub register_extcmd {
857	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
858		1255
859	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
860	}	1263	}
861		1264
862	cf::player->attach (	1265	cf::player->attach (
863	on_command => sub {	1266	on_command => sub {
864	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1276	cf::override;
874	},	1277	},
875	on_extcmd => sub {	1278	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
877		1280
878	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1282
880	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
886	} else {	1298	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1300	}
889		1301
890	cf::override;	1302	cf::override;
891	},	1303	},
892	);	1304	);
893		1305
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
929	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1311	next unless -r $path;
931	eval {	1312
932	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
933	1	1369	}
934	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
935	}	1375	};
936	}	1376	}
937		1377
938	#############################################################################	1378	#############################################################################
939		1379
		1380	=back
		1381
940	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
941		1383
942	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
943		1385
944	=cut	1386	=cut
…		…
949		1391
950	=head3 cf::player	1392	=head3 cf::player
951		1393
952	=over 4	1394	=over 4
953		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
954	=item cf::player::find $login	1410	=item cf::player::find $login
955		1411
956	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
957		1413
958	=cut	1414	=cut
959		1415
960	sub playerdir($) {	1416	sub playerdir($) {
961	cf::localdir	1417	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1419	}
967		1420
968	sub path($) {	1421	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1423
971	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
972	}	1425	}
973		1426
974	sub find_active($) {	1427	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1442	my $login = $_[0];
990		1443
991	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
992		1445
993	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
995	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
997	}	1462	}
998	}	1463	}
999	}	1464	}
1000		1465
…		…
1010		1475
1011	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1013		1478
1014	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1015	Coro::cede;	1480	cf::cede_to_tick;
1016	}	1481	}
1017		1482
1018	sub new($) {	1483	sub new($) {
1019	my ($login) = @_;	1484	my ($login) = @_;
1020		1485
…		…
1026	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1027		1492
1028	$self	1493	$self
1029	}	1494	}
1030		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1031	=item $pl->quit_character	1506	=item $pl->quit_character
1032		1507
1033	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1035		1510
1036	=cut	1511	=cut
1037		1512
1038	sub quit_character {	1513	sub quit_character {
1039	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1040		1517
1041	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1520
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1054	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1055	}	1552	}
1056		1553
1057	=item cf::player::list_logins	1554	=item cf::player::list_logins
1058		1555
1059	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1061		1558
1062	=cut	1559	=cut
1063		1560
1064	sub list_logins {	1561	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1563	or return [];
1067		1564
1068	my @logins;	1565	my @logins;
1069		1566
1070	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1074		1576
1075	utf8::decode $login;	1577	utf8::decode $login;
1076	push @logins, $login;	1578	push @logins, $login;
1077	}	1579	}
1078		1580
…		…
1105	}	1607	}
1106		1608
1107	\@paths	1609	\@paths
1108	}	1610	}
1109		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1111		1706
1112	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1113		1708
1114	=cut	1709	=cut
1115		1710
1116	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1118		1713
1119	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1715	}
1123		1716
1124	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1125		1757
1126	=back	1758	=back
1127
1128		1759
1129	=head3 cf::map	1760	=head3 cf::map
1130		1761
1131	=over 4	1762	=over 4
1132		1763
…		…
1144	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1146		1777
1147	sub generate_random_map {	1778	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1149	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1784	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1188		1822
1189	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1190	local $self->{path};	1824	local $self->{path};
1191	local $self->{load_path};	1825	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1826
1195	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1196	}	1828	}
1197		1829
1198	sub normalise {	1830	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1246	return $self;	1878	return $self;
1247	}	1879	}
1248	}	1880	}
1249		1881
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1883	()
1252	}	1884	}
1253		1885
1254	sub init {	1886	sub init {
1255	my ($self) = @_;	1887	my ($self) = @_;
…		…
1270		1902
1271	# the original (read-only) location	1903	# the original (read-only) location
1272	sub load_path {	1904	sub load_path {
1273	my ($self) = @_;	1905	my ($self) = @_;
1274		1906
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1276	}	1908	}
1277		1909
1278	# the temporary/swap location	1910	# the temporary/swap location
1279	sub save_path {	1911	sub save_path {
1280	my ($self) = @_;	1912	my ($self) = @_;
1281		1913
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1284	}	1916	}
1285		1917
1286	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1287	sub uniq_path {	1919	sub uniq_path {
1288	my ($self) = @_;	1920	my ($self) = @_;
1289		1921
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1292	}	1924	}
1293		1925
1294	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1295	# all maps in C++...	1927	# all maps in C++...
1296	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1298		1930
1299	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1301	}	1933	}
1302		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1303	sub unlink_save {	1943	sub unlink_save {
1304	my ($self) = @_;	1944	my ($self) = @_;
1305		1945
1306	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1948	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1949	}
1315		1950
1316	sub load_header_from($) {	1951	sub load_header_from($) {
1317	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1318		1953
1319	utf8::encode $path;	1954	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1325		1963
1326	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1327		1965
1328	1	1966	1
1329	}	1967	}
…		…
1368	$self->load_header_orig	2006	$self->load_header_orig
1369	or return;	2007	or return;
1370	$self->prepare_orig;	2008	$self->prepare_orig;
1371	}	2009	}
1372		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
		2016
1373	1	2017	1
1374	}	2018	}
1375		2019
1376	sub find;	2020	sub find;
1377	sub find {	2021	sub find {
1378	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1379		2023
1380	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1381		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1383		2028
1384	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1386	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1387	or return;	2034	or return;
1388		2035
1389	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1390		2037
1391	$map->load_header	2038	$map->load_header
1392	or return;	2039	or return;
1393		2040
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1397	$map->reset;	2046	$map->reset;
1398	undef $guard;
1399	return find $path;	2047	return find $path;
1400	}	2048	}
1401		2049
1402	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1403	}	2051	}
…		…
1410	my ($self) = @_;	2058	my ($self) = @_;
1411		2059
1412	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1413		2061
1414	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1416		2066
		2067	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2069
1419	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1420		2071
1421	$self->alloc;	2072	$self->alloc;
1422		2073
1423	$self->pre_load;	2074	$self->pre_load;
		2075	cf::cede_to_tick;
1424		2076
1425	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1426	or return;	2080	or return;
1427		2081
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2083	if delete $self->{load_original};
1430		2084
1431	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2086	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2089	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1436	}	2093	}
1437	}	2094	}
1438		2095
1439	Coro::cede;	2096	$f->resolve_delayed_derefs;
1440		2097
		2098	cf::cede_to_tick;
1441	# now do the right thing for maps	2099	# now do the right thing for maps
1442	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2102	unless $self->difficulty;
1452	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1453	$self->activate;	2112	$self->activate;
		2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	2119	}
1455		2120
1456	$self->post_load;	2121	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2122	}
1460		2123
1461	sub customise_for {	2124	sub customise_for {
1462	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1463		2126
1464	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2128	if $self->per_player;
1466		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1467	$self	2133	$self
1468	}	2134	}
1469		2135
1470	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2137	sub load_neighbours {
1472	my ($map) = @_;	2138	my ($map) = @_;
1473		2139
1474	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1475		2141
1476	for (0 .. 3) {	2142	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1478	or next;	2144	or next;
1479	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1480	or next;	2146	or next;
1481	$neigh->load;	2147	$neigh->load;
1482		2148
		2149	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2152	}
1486		2153
1487	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1489	or next;	2157	or next;
1490	$neigh->load;	2158	$neigh->load;
1491	}	2159	}
1492	}	2160	}
1493		2161
…		…
1498	}	2166	}
1499		2167
1500	sub do_load_sync {	2168	sub do_load_sync {
1501	my ($map) = @_;	2169	my ($map) = @_;
1502		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1503	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1504	}	2175	}
1505		2176
1506	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1508		2179
1509	sub find_async {	2180	sub find_async {
1510	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1511		2182
1512	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1513		2184
1514	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2187	}
1517		2188
1518	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1519	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1520	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2196	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2197	$map->load if $v;
		2198	}
1525		2199
1526	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1527	}	2201	}
1528	}	2202	}
1529	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1530	};	2204	};
1531	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2208	}
1535		2209
1536	sub save {	2210	sub save {
1537	my ($self) = @_;	2211	my ($self) = @_;
1538		2212
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2214
1541	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1542		2216
1543	return unless $self->dirty;	2217	return unless $self->dirty;
1544		2218
…		…
1550	return if $self->{deny_save};	2224	return if $self->{deny_save};
1551		2225
1552	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1553		2227
1554	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1556	};	2231	};
1557		2232
1558	if ($uniq) {	2233	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2242	my ($self) = @_;
1568		2243
1569	# save first because save cedes	2244	# save first because save cedes
1570	$self->save;	2245	$self->save;
1571		2246
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2248
1574	return if $self->players;	2249	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2251	return if $self->{deny_save};
1577		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2257	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2258	}
1581		2259
1582	sub reset_at {	2260	sub reset_at {
1583	my ($self) = @_;	2261	my ($self) = @_;
1584		2262
1585	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1588		2265
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2268
…		…
1602	my ($self) = @_;	2279	my ($self) = @_;
1603		2280
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2282
1606	return if $self->players;	2283	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2284
1609	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
		2286
		2287	$self->in_memory (cf::MAP_SWAPPED);
		2288
		2289	# need to save uniques path
		2290	unless ($self->{deny_save}) {
		2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2292
		2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2294	if $uniq;
		2295	}
1610		2296
1611	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1612		2298
1613	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2301	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2302
1618	$self->unlink_save;	2303	$self->unlink_save;
1619	$self->destroy;	2304	$self->destroy;
1620	}	2305	}
1621		2306
1622	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1623		2308
1624	sub nuke {	2309	sub nuke {
1625	my ($self) = @_;	2310	my ($self) = @_;
1626		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1627	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1628		2316
1629	$self->unlink_save;	2317	$self->unlink_save;
1630		2318
1631	bless $self, "cf::map";	2319	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2324
1637	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1638		2327
1639	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1640	}	2365	}
1641		2366
1642	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1643		2368
1644	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2370	instantiated unique items. May block.
1646		2371
1647	=cut	2372	=cut
1648		2373
1649	sub unique_maps() {	2374	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1651	or return;	2376	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2377	utf8::decode $_;
1657	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2380	? ()
1660	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2383	]
1662
1663	\@paths
1664	}	2384	}
1665
1666	package cf;
1667		2385
1668	=back	2386	=back
1669		2387
1670	=head3 cf::object	2388	=head3 cf::object
1671		2389
…		…
1675		2393
1676	=over 4	2394	=over 4
1677		2395
1678	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1679		2397
1680	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1681		2400
1682	=cut	2401	=cut
1683		2402
1684	sub inv_recursive_;	2403	sub inv_recursive_;
1685	sub inv_recursive_ {	2404	sub inv_recursive_ {
1686	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1687	}	2406	}
1688		2407
1689	sub inv_recursive {	2408	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1691	}	2438	}
1692		2439
1693	package cf;	2440	package cf;
1694		2441
1695	=back	2442	=back
…		…
1714		2461
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2463
1717	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1719	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1722	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1723	}	2489	}
1724		2490
1725	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1726		2492
1727	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1775		2541
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2543
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1780		2546
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2548	}
1783		2549
1784	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1786		2554
1787	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1788		2556
1789	unless ($map) {	2557	unless ($map) {
1790	# restore original map position	2558	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1807		2575
1808	$map->load;	2576	$map->load;
1809	$map->load_diag;	2577	$map->load_neighbours;
1810		2578
1811	return unless $self->contr->active;	2579	return unless $self->contr->active;
1812	$self->activate_recursive;	2580	$self->activate_recursive;
		2581
		2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1814	}	2584	}
1815		2585
1816	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2587
1820	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1824	};	2592	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2593
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1851		2597
1852	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2603
1855	$self->enter_link;	2604	$self->enter_link;
1856		2605
1857	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1858	my $map = eval {	2628	my $map = eval {
1859	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
		2633	$map = $check->($map) if $check && $map;
		2634	} else {
		2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
		2637
1861	$map	2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2644	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1866	})->prio (1);	2652	})->prio (1);
1867	}	2653	}
1868		2654
1869	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1870		2656
…		…
1907	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
1908	}	2694	}
1909		2695
1910	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
1911		2697
1912	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
1915		2701
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2704	undef $fh;
1919	aio_rename "$meta~", $meta;	2705	aio_rename "$meta~", $meta;
…		…
1928		2714
1929	return unless $self->type == cf::PLAYER;	2715	return unless $self->type == cf::PLAYER;
1930		2716
1931	if ($exit->slaying eq "/!") {	2717	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2718	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2719	# the problem is that $exit might not survive long enough
		2720	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2721	cf::sync_job { prepare_random_map $exit };
1934	}	2722	}
1935		2723
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2724	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
1939		2727
1940	$self->enter_link;	2728	$self->enter_link;
1941		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
1942	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
1943	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2738	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
1946		2740
1947	1;	2741	1;
1948	}) {	2742	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2743	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2744	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2745	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2746	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2747
1954	warn "ERROR in enter_exit: $@";	2748	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2749	$self->leave_link;
1956	}	2750	}
1957	})->prio (1);	2751	})->prio (1);
…		…
1970		2764
1971	sub cf::client::send_drawinfo {	2765	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2766	my ($self, $text, $flags) = @_;
1973		2767
1974	utf8::encode $text;	2768	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2770	}
1977		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
		2896	=item $client->ext_msg ($type, @msg)
		2897
		2898	Sends an ext event to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_msg($$@) {
		2903	my ($self, $type, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
		2908	push @msg, msgtype => "event_$type";
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
		2929	}
1978		2930
1979	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
1980		2932
1981	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2936
1985	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2938	become reliable at some point in the future.
1987		2939
1988	=cut	2940	=cut
1989		2941
1990	sub cf::client::query {	2942	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2951	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2953
2002	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2004	}	2958	}
2005		2959
2006	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2007	on_reply => sub {	2966	on_reply => sub {
2008	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2009		2968
2010	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2011	# get handled first	2970	# get handled first
…		…
2023	} else {	2982	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2984	}
2026	}	2985	}
2027	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2028	);	3013	);
2029		3014
2030	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2031		3016
2032	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2075		3060
2076	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2077		3062
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2079		3068
2080	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2081		3070
2082	=pod	3071	=pod
2083		3072
2084	The following fucntions and emthods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2085		3074
2086	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2087	cf::object::player player	3079	cf::object::player
2088	cf::player peaceful	3080	player
2089	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2090		3087
2091	=cut	3088	=cut
2092		3089
2093	for (	3090	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2098	) {	3097	) {
2099	no strict 'refs';	3098	no strict 'refs';
…		…
2170	=back	3169	=back
2171		3170
2172	=cut	3171	=cut
2173		3172
2174	#############################################################################	3173	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3174	# the server's init and main functions
2284		3175
2285	sub load_resources {	3176	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
		3185	warn "loading facedata from $path\n";
		3186
		3187	my $facedata;
		3188	0 < aio_load $path, $facedata
		3189	or die "$path: $!";
		3190
		3191	$facedata = Coro::Storable::thaw $facedata;
		3192
		3193	$facedata->{version} == 2
		3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
		3203	{
		3204	my $faces = $facedata->{faceinfo};
		3205
		3206	while (my ($face, $info) = each %$faces) {
		3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
		3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
		3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	while (my ($face, $info) = each %$faces) {
		3218	next unless $info->{smooth};
		3219
		3220	my $idx = cf::face::find $face
		3221	or next;
		3222
		3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
		3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3226	} else {
		3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3228	}
		3229
		3230	cf::cede_to_tick;
		3231	}
		3232	}
		3233
		3234	{
		3235	my $anims = $facedata->{animinfo};
		3236
		3237	while (my ($anim, $info) = each %$anims) {
		3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3239	cf::cede_to_tick;
		3240	}
		3241
		3242	cf::anim::invalidate_all; # d'oh
		3243	}
		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
		3280	1
		3281	}
		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
		3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
		3316	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3317	or die "unable to load regions file\n";
2288	}
2289		3318
2290	sub cfg_load {	3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
		3323	}
		3324
		3325	sub reload_facedata {
		3326	load_facedata "$DATADIR/facedata"
		3327	or die "unable to load facedata\n";
		3328	}
		3329
		3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
		3338	}
		3339
		3340	sub reload_treasures {
		3341	load_resource_file "$DATADIR/treasures"
		3342	or die "unable to load treasurelists\n";
		3343	}
		3344
		3345	sub reload_resources {
		3346	warn "reloading resource files...\n";
		3347
		3348	reload_regions;
		3349	reload_facedata;
		3350	#reload_archetypes;#d#
		3351	reload_archetypes;
		3352	reload_treasures;
		3353
		3354	warn "finished reloading resource files\n";
		3355	}
		3356
		3357	sub init {
		3358	reload_resources;
		3359	}
		3360
		3361	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3363	or return;
2293		3364
2294	local $/;	3365	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2296		3367
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3369
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3377	};
2307	warn $@ if $@;	3378	warn $@ if $@;
2308	}	3379	}
2309	}	3380	}
2310		3381
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3382	sub main {
2316	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3386	(async {
2320	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2322	};	3390	};
2323		3391
2324	cfg_load;	3392	reload_config;
2325	db_load;	3393	db_init;
2326	load_extensions;	3394	load_extensions;
2327		3395
2328	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2329	Event::loop;	3398	EV::loop;
2330	}	3399	}
2331		3400
2332	#############################################################################	3401	#############################################################################
2333	# initialisation and cleanup	3402	# initialisation and cleanup
2334		3403
2335	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2336	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2345	},
2346	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2347	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2348	}	3493	}
2349		3494
2350	sub emergency_save() {	3495	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2352		3497
…		…
2358	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3509	$pl->save;
2364	}	3510	}
2365	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2366		3512
2367	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3515	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3516	$map->valid or next;
2371	$map->save;	3517	$map->save;
2372	}	3518	}
2373	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
		3520
		3521	warn "begin emergency database checkpoint\n";
		3522	BDB::db_env_txn_checkpoint $DB_ENV;
		3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2374	};	3528	};
2375		3529
2376	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2377	}	3531	}
2378		3532
		3533	sub post_cleanup {
		3534	my ($make_core) = @_;
		3535
		3536	warn Carp::longmess "post_cleanup backtrace"
		3537	if $make_core;
		3538	}
		3539
2379	sub reload() {	3540	sub do_reload_perl() {
2380	# can/must only be called in main	3541	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3542	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3543	warn "can only reload from main coroutine";
2383	return;	3544	return;
2384	}	3545	}
2385		3546
2386	warn "reloading...";	3547	warn "reloading...";
2387		3548
2388	warn "cancelling server ticker";	3549	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3550
		3551	cf::sync_job {
		3552	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3553	cf::emergency_save;
		3554	cf::write_runtime_sync; # external watchdog should not bark
2392		3555
2393	eval {	3556	warn "syncing database to disk";
		3557	BDB::db_env_txn_checkpoint $DB_ENV;
		3558
2394	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403		3560
2404	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2405	for (;;) {	3562	for (;;) {
		3563	BDB::flush;
2406	IO::AIO::flush;	3564	IO::AIO::flush;
2407	Coro::cede;	3565	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3567	warn "iterate...";
2410	}	3568	}
		3569
		3570	++$RELOAD;
2411		3571
2412	warn "cancelling all extension coros";	3572	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3573	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3574	%EXT_CORO = ();
2415		3575
2416	warn "removing commands";	3576	warn "removing commands";
2417	%COMMAND = ();	3577	%COMMAND = ();
2418		3578
2419	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2421		3582
2422	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2425		3586
…		…
2455	Symbol::delete_package "safe::$_"	3616	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3618
2458	warn "unloading cf.pm \"a bit\"";	3619	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3620	delete $INC{"cf.pm"};
		3621	delete $INC{"cf/pod.pm"};
2460		3622
2461	# don't, removes xs symbols, too,	3623	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3624	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3625	#Symbol::delete_package __PACKAGE__;
2464		3626
…		…
2467	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2468	require cf;	3630	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3632
2471	warn "loading config and database again";	3633	warn "loading config and database again";
2472	cf::cfg_load;	3634	cf::reload_config;
2473	cf::db_load;
2474		3635
2475	warn "loading extensions";	3636	warn "loading extensions";
2476	cf::load_extensions;	3637	cf::load_extensions;
2477		3638
2478	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3640	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3641	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3642	reattach $_ for values %MAP;
		3643	warn "reattaching attachments to players";
		3644	reattach $_ for values %PLAYER;
2482		3645
2483	warn "loading reloadable resources";	3646	warn "leaving sync_job";
2484	load_resources;
2485		3647
2486	warn "restarting server ticker";	3648	1
2487		3649	} or do {
2488	$TICK_WATCHER->start;	3650	warn $@;
		3651	cf::cleanup "error while reloading, exiting.";
2489	};	3652	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3653
2497	warn "reloaded";	3654	warn "reloaded";
2498	};	3655	};
2499		3656
2500	our $RELOAD_WATCHER; # used only during reload	3657	our $RELOAD_WATCHER; # used only during reload
2501		3658
		3659	sub reload_perl() {
		3660	# doing reload synchronously and two reloads happen back-to-back,
		3661	# coro crashes during coro_state_free->destroy here.
		3662
		3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3664	do_reload_perl;
		3665	undef $RELOAD_WATCHER;
		3666	};
		3667	}
		3668
2502	register_command "reload" => sub {	3669	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2504		3671
2505	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
2507		3674	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3675	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3676	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3677	};
2520	}	3678	}
2521	};	3679	};
2522		3680
2523	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2524		3682
2525	my $bug_warning = 0;	3683	my $bug_warning = 0;
2526		3684
2527	$TICK_WATCHER = Event->timer (	3685	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3686	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3687
2530	prio => 0,	3688	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3689	return if tick_inhibit;
2532	data => WF_AUTOCANCEL,	3690	return if $Coro::current == $Coro::main;
2533	cb => sub {	3691
		3692	my $signal = new Coro::Signal;
		3693	push @WAIT_FOR_TICK, $signal;
		3694	$signal->wait;
		3695	}
		3696
		3697	sub wait_for_tick_begin {
		3698	return if tick_inhibit;
		3699	return if $Coro::current == $Coro::main;
		3700
		3701	my $signal = new Coro::Signal;
		3702	push @WAIT_FOR_TICK_BEGIN, $signal;
		3703	$signal->wait;
		3704	}
		3705
		3706	sub tick {
2534	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2537	return;	3710	return;
2538	}	3711	}
2539		3712
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3714
2546	$WAIT_FOR_TICK->broadcast;	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
		3719	write_runtime_sync
		3720	or warn "ERROR: unable to write runtime file: $!";
		3721	};
		3722	}
2548		3723
2549	Event::sweep;	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3725	$sig->send;
		3726	}
		3727	while (my $sig = shift @WAIT_FOR_TICK) {
		3728	$sig->send;
		3729	}
		3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
2551		3739	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3740	}
2561	);	3741	}
2562		3742
2563	{	3743	{
2564	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3745
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2574		3747	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3749
2590	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3756
2593	cf::sync_job {	3757	cf::sync_job {
		3758	eval {
2594	BDB::db_env_open	3759	BDB::db_env_open
2595	$DB_ENV,	3760	$DB_ENV,
2596	$BDB_ENV_DIR,	3761	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3764	0666;
2600		3765
2601	cf::cleanup "$!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3767	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3768
2604	$DB_ENV->set_lk_detect;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3770	};
2606	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
2607	}	3782	}
2608		3783
2609	{	3784	{
		3785	# configure IO::AIO
		3786
2610	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3790	}
2623		3791
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3792	my $_log_backtrace;
2625	reentrant => 0,	3793
2626	data => WF_AUTOCANCEL,	3794	sub _log_backtrace {
2627	after => 1,	3795	my ($msg, @addr) = @_;
2628	interval => 10,	3796
2629	prio => 6, # keep it lowest so it acts like a watchdog	3797	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3798
2631	write_runtime	3799	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3800	if ($_log_backtrace < 2) {
		3801	++$_log_backtrace;
		3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
		3805	my @bt = fork_call {
		3806	@addr = map { sprintf "%x", $_ } @addr;
		3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3809	or die "addr2line: $!";
		3810
		3811	my @funcs;
		3812	my @res = <$fh>;
		3813	chomp for @res;
		3814	while (@res) {
		3815	my ($func, $line) = splice @res, 0, 2, ();
		3816	push @funcs, "[$func] $line";
		3817	}
		3818
		3819	@funcs
		3820	};
		3821
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] $_\n" for @bt;
		3824	--$_log_backtrace;
		3825	};
		3826	} else {
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3829	}
2634	);	3830	}
		3831
		3832	# load additional modules
		3833	use cf::pod;
2635		3834
2636	END { cf::emergency_save }	3835	END { cf::emergency_save }
2637		3836
2638	1	3837	1
2639		3838

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