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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.528 by root, Fri Apr 23 04:42:12 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	292	for my $pkg (qw(
198	cf::global cf::attachable	293	cf::global cf::attachable
199	cf::object cf::object::player	294	cf::object cf::object::player
200	cf::client cf::player	295	cf::client cf::player
201	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
202	cf::map cf::party cf::region	298	cf::party cf::region
203	)) {	299	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	301	}
207		302
208	$Event::DIED = sub {	303	$EV::DIED = sub {
209	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
210	};	305	};
		306
		307	#############################################################################
211		308
212	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
213		310
214	=over 4	311	=over 4
215		312
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	332	$d
236	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
237	}	334	}
238		335
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
242		337
243	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
244		339
245	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
246		341
247	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
248		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
249	=item cf::lock_wait $string	365	=item cf::lock_wait $string
250		366
251	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
252		368
253	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
254		370
255	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
258	returned.	374	returned.
259		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
260	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
262		381
263	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
264		383
265	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
266		385
267	=cut	386	=cut
268		387
269	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
270		389
271	sub lock_wait($) {	390	sub lock_wait($) {
272	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	392	}
280		393
281	sub lock_acquire($) {	394	sub lock_acquire($) {
282	my ($key) = @_;	395	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	396	}
294		397
295	sub lock_active($) {	398	sub lock_active($) {
296	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	400	}
300		401
301	sub freeze_mainloop {	402	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
303		404
304	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
306	};	472	}
307	$TICK_WATCHER->stop;	473	};
308	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
309	}	488	}
310		489
311	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
312		491
313	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		497
319	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
320		499
321	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
322		501
323	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
326		506
327	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
330	fast or be very important.	510	fast or be very important.
…		…
333		513
334	sub sync_job(&) {	514	sub sync_job(&) {
335	my ($job) = @_;	515	my ($job) = @_;
336		516
337	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	518	my $time = AE::time;
339		519
340	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
342		522
343	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	524
345	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
346		526
347	my $busy = 1;	527	my $busy = 1;
348	my @res;	528	my @res;
349		529
350	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	532	@res = eval { $job->() };
352	warn $@ if $@;	533	warn $@ if $@;
353	undef $busy;	534	undef $busy;
354	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
355		536
356	while ($busy) {	537	while ($busy) {
357	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
358	}	542	}
		543	}
359		544
360	$time = Event::time - $time;	545	my $time = AE::time - $time;
361		546
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
366		548
367	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
368	} else {	550	} else {
369	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
370		552
…		…
390	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
391		573
392	$coro	574	$coro
393	}	575	}
394		576
395	sub write_runtime {	577	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		578
398	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
400		583
401	IO::AIO::aio_utime $runtime, undef, undef;	584	=cut
402		585
403	my $guard = cf::lock_acquire "write_runtime";	586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
404		588
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	589	# we seemingly have to make a local copy of the whole thing,
406	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
407		592
408	my $value = $cf::RUNTIME + 90 + 10;	593	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	594	reset_signals;
410	# 60 allows for the watchdog to kill the server.	595	&$cb
		596	}, @args;
411		597
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	598	wantarray ? @res : $res[-1]
413	and return;	599	}
414		600
415	# always fsync - this file is important	601	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
431	}	764	}
432		765
433	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
434		767
435	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		780
448	#############################################################################	781	#############################################################################
449		782
450	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
451		784
452	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
455		788
456	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	791	Deliantra).
459		792
460	=over 4	793	=over 4
461		794
462	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
463		796
…		…
507	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
508		841
509	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
511		844
512	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
514		847
515	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
516		849
517	=over 4	850	=over 4
…		…
665	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
666	}	999	}
667		1000
668	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
669	} else {	1002	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	1004	}
672		1005
673	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
674	}	1007	}
675		1008
…		…
715	";	1048	";
716	die if $@;	1049	die if $@;
717	}	1050	}
718		1051
719	our $override;	1052	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1054
722	sub override {	1055	sub override {
723	$override = 1;	1056	$override = 1;
724	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
725	}	1058	}
726		1059
727	sub do_invoke {	1060	sub do_invoke {
728	my $event = shift;	1061	my $event = shift;
729	my $callbacks = shift;	1062	my $callbacks = shift;
730		1063
731	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
732		1065
733	local $override;	1066	local $override;
734		1067
735	for (@$callbacks) {	1068	for (@$callbacks) {
736	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
745	}	1078	}
746		1079
747	0	1080	0
748	}	1081	}
749		1082
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1084
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1086
754	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
755		1088
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1092
760	=back	1093	=back
761		1094
762	=cut	1095	=cut
763		1096
764	#############################################################################	1097	#############################################################################
765	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
766		1141
767	sub reattach {	1142	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1144	my ($obj) = @_;
770		1145
		1146	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1148
773	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
774		1150
775	@$registry = ();	1151	@$registry = ();
776		1152
…		…
791	cf::attachable->attach (	1167	cf::attachable->attach (
792	prio => -1000000,	1168	prio => -1000000,
793	on_instantiate => sub {	1169	on_instantiate => sub {
794	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
795		1171
796	$data = from_json $data;	1172	$data = decode_json $data;
797		1173
798	for (@$data) {	1174	for (@$data) {
799	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
800		1176
801	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1193	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
819		1195
820	sync_job {	1196	sync_job {
821	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
824		1202
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1208	aio_fsync $fh;
		1209	}
829	close $fh;	1210	aio_close $fh;
830		1211
831	if (@$objs) {	1212	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1219	aio_fsync $fh;
		1220	}
837	close $fh;	1221	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
839	}	1223	}
840	} else {	1224	} else {
841	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
842	}	1226	}
843		1227
844	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1232	} else {
846	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
847	}	1234	}
848	} else {	1235	} else {
849	aio_unlink $filename;	1236	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
851	}	1238	}
852	}	1239	};
853	}	1240	}
854		1241
855	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
857		1244
…		…
869	or return;	1256	or return;
870		1257
871	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
873	or return;	1260	or return;
		1261
874	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
875	}	1264	}
876		1265
		1266	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
879	return ($data, $av);	1271	($data, $av)
880	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
881		1279
882	#############################################################################	1280	#############################################################################
883	# command handling &c	1281	# command handling &c
884		1282
885	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1297	}
900		1298
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1300
903	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
904		1306
905	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
906	called.	1308	called.
907		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
908	=cut	1321	=cut
909		1322
910	sub register_extcmd {	1323	sub register_extcmd {
911	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
912		1325
913	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
914	}	1327	}
915		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
916	cf::player->attach (	1337	cf::player->attach (
917	on_command => sub {	1338	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
919		1340
920	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
921	or return;	1342	or return;
922		1343
…		…
927	cf::override;	1348	cf::override;
928	},	1349	},
929	on_extcmd => sub {	1350	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
931		1352
932	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1354
934	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
940	} else {	1370	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1372	}
943		1373
944	cf::override;	1374	cf::override;
945	},	1375	},
946	);	1376	);
947		1377
		1378	# "readahead" all extensions
948	sub load_extension {	1379	sub cache_extensions {
949	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
950		1381
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1385	}
976	die $@;
977	}	1386	};
978		1387
979	push @EXTS, $pkg;	1388	$grp
980	}	1389	}
981		1390
982	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
983	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1396	next unless -r $path;
985	eval {	1397
986	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
987	1	1461	}
988	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
989	}	1472	};
990	}	1473	}
991		1474
992	#############################################################################	1475	#############################################################################
993		1476
		1477	=back
		1478
994	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
995		1480
996	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
997		1482
998	=cut	1483	=cut
999		1484
1000	package cf::player;	1485	package cf::player;
1001		1486
1002	use Coro::AIO;	1487	use Coro::AIO;
1003		1488
1004	=head3 cf::player	1489	=head3 cf::player
1005		1490
1006	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1007		1506
1008	=item cf::player::find $login	1507	=item cf::player::find $login
1009		1508
1010	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1011		1510
…		…
1030		1529
1031	sub exists($) {	1530	sub exists($) {
1032	my ($login) = @_;	1531	my ($login) = @_;
1033		1532
1034	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1036	}	1535	}
1037		1536
1038	sub find($) {	1537	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1539	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1550
1052	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1055	}	1560	}
1056	}	1561	}
1057	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1058		1576
1059	sub save($) {	1577	sub save($) {
1060	my ($pl) = @_;	1578	my ($pl) = @_;
1061		1579
1062	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1068		1586
1069	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1071		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1072	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1073	Coro::cede;	1596	cf::cede_to_tick;
1074	}	1597	}
1075		1598
1076	sub new($) {	1599	sub new($) {
1077	my ($login) = @_;	1600	my ($login) = @_;
1078		1601
…		…
1084	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1085		1608
1086	$self	1609	$self
1087	}	1610	}
1088		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1089	=item $pl->quit_character	1622	=item $pl->quit_character
1090		1623
1091	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1093		1626
…		…
1097	my ($pl) = @_;	1630	my ($pl) = @_;
1098		1631
1099	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1100		1633
1101	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1636
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1108		1643
1109	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1681	or return [];
1147		1682
1148	my @logins;	1683	my @logins;
1149		1684
1150	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1154		1695
1155	utf8::decode $login;	1696	utf8::decode $login;
1156	push @logins, $login;	1697	push @logins, $login;
1157	}	1698	}
1158		1699
1159	\@logins	1700	\@logins
1160	}	1701	}
1161		1702
1162	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1163		1706
1164	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1165	player. May block.	1708	player. May block.
1166		1709
1167	=cut	1710	=cut
…		…
1185	}	1728	}
1186		1729
1187	\@paths	1730	\@paths
1188	}	1731	}
1189		1732
		1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1734
		1735	Expand deliantra pod fragments into protocol xml.
		1736
1190	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1191		1738
1192	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1193		1740
1194	=cut	1741	=cut
1195		1742
1196	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1198		1745
1199	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1747	}
1203		1748
1204	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1205		1750
1206	Sends an ext event to the client.	1751	Sends an ext event to the client.
1207		1752
1208	=cut	1753	=cut
1209		1754
1210	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1212		1757
1213	$self->ns->ext_event ($type, %msg);	1758	$self->ns->ext_msg ($type, @msg);
1214	}	1759	}
1215		1760
1216	=head3 cf::region	1761	=head3 cf::region
1217		1762
1218	=over 4	1763	=over 4
…		…
1221		1766
1222	package cf::region;	1767	package cf::region;
1223		1768
1224	=item cf::region::find_by_path $path	1769	=item cf::region::find_by_path $path
1225		1770
1226	Tries to decuce the probable region for a map knowing only its path.	1771	Tries to decuce the likely region for a map knowing only its path.
1227		1772
1228	=cut	1773	=cut
1229		1774
1230	sub find_by_path($) {	1775	sub find_by_path($) {
1231	my ($path) = @_;	1776	my ($path) = @_;
1232		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
1233	my ($match, $specificity);	1780	my ($match, $specificity);
1234		1781
1235	for my $region (list) {	1782	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1783	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1784	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1785	if $region->specificity > $specificity;
1239	}	1786	}
1240	}	1787	}
1241		1788
…		…
1262	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1264		1811
1265	sub generate_random_map {	1812	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1267	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1818	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1297		1847
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1849	}
1300		1850
1301	# also paths starting with '/'	1851	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1853
1304	sub thawer_merge {	1854	sub thawer_merge {
1305	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1306		1856
1307	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
1308	local $self->{path};	1858	local $self->{path};
1309	local $self->{load_path};	1859	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1860
1313	$self->SUPER::thawer_merge ($merge);	1861	$self->SUPER::thawer_merge ($merge);
1314	}	1862	}
1315		1863
1316	sub normalise {	1864	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1364	return $self;	1912	return $self;
1365	}	1913	}
1366	}	1914	}
1367		1915
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1917	()
1370	}	1918	}
1371		1919
1372	sub init {	1920	sub init {
1373	my ($self) = @_;	1921	my ($self) = @_;
…		…
1395		1943
1396	# the temporary/swap location	1944	# the temporary/swap location
1397	sub save_path {	1945	sub save_path {
1398	my ($self) = @_;	1946	my ($self) = @_;
1399		1947
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1949	"$TMPDIR/$path.map"
1402	}	1950	}
1403		1951
1404	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1405	sub uniq_path {	1953	sub uniq_path {
1406	my ($self) = @_;	1954	my ($self) = @_;
1407		1955
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1957	"$UNIQUEDIR/$path"
1410	}	1958	}
1411		1959
1412	# and all this just because we cannot iterate over	1960	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1961	my ($self) = @_;
1416		1962
1417	$_->change_map_light ($change)	1963	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1964
		1965	$self->do_decay_objects;
1419	}	1966	}
1420		1967
1421	sub unlink_save {	1968	sub unlink_save {
1422	my ($self) = @_;	1969	my ($self) = @_;
1423		1970
…		…
1428		1975
1429	sub load_header_from($) {	1976	sub load_header_from($) {
1430	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1431		1978
1432	utf8::encode $path;	1979	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1438		1988
1439	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1440		1990
1441	1	1991	1
1442	}	1992	}
…		…
1481	$self->load_header_orig	2031	$self->load_header_orig
1482	or return;	2032	or return;
1483	$self->prepare_orig;	2033	$self->prepare_orig;
1484	}	2034	}
1485		2035
		2036	$self->{deny_reset} = 1
		2037	if $self->no_reset;
		2038
1486	$self->default_region (cf::region::find_by_path $self->{path})	2039	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2040	unless $self->default_region;
1488		2041
1489	1	2042	1
1490	}	2043	}
…		…
1493	sub find {	2046	sub find {
1494	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1495		2048
1496	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1497		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2053
1500	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1503	or return;	2056	or return;
1504		2057
1505	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1506		2059
1507	$map->load_header	2060	$map->load_header
1508	or return;	2061	or return;
1509		2062
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1513	$map->reset;	2068	$map->reset;
1514	undef $guard;
1515	return find $path;	2069	return find $path;
1516	}	2070	}
1517		2071
1518	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1519	}	2073	}
1520	}	2074	}
1521		2075
1522	sub pre_load { }	2076	sub pre_load { }
1523	sub post_load { }	2077	#sub post_load { } # XS
1524		2078
1525	sub load {	2079	sub load {
1526	my ($self) = @_;	2080	my ($self) = @_;
1527		2081
1528	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1529		2083
1530	my $path = $self->{path};	2084	my $path = $self->{path};
1531		2085
1532	{	2086	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1534		2088
		2089	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2091
1537	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1538		2093
1539	$self->alloc;	2094	$self->alloc;
1540		2095
1541	$self->pre_load;	2096	$self->pre_load;
1542	Coro::cede;	2097	cf::cede_to_tick;
1543		2098
		2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2101	$self->_load_objects ($f)
1545	or return;	2102	or return;
1546		2103
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1548	if delete $self->{load_original};	2105	if delete $self->{load_original};
1549		2106
1550	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2108	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2111	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1555	}	2115	}
1556	}	2116	}
1557		2117
1558	Coro::cede;	2118	$f->resolve_delayed_derefs;
		2119
		2120	cf::cede_to_tick;
1559	# now do the right thing for maps	2121	# now do the right thing for maps
1560	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2123	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2124	unless $self->difficulty;
1563	Coro::cede;	2125	cf::cede_to_tick;
1564		2126
1565	unless ($self->{deny_activate}) {	2127	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2128	$self->decay_objects;
1567	$self->fix_auto_apply;	2129	$self->fix_auto_apply;
1568	$self->update_buttons;	2130	$self->update_buttons;
1569	Coro::cede;	2131	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2132	$self->activate;
1573	}	2133	}
1574		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2138	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2139	}
1577		2140
1578	$self->post_load;	2141	$self->post_load;
1579	}	2142	}
1580		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2147	sub customise_for {
1582	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1583		2149
1584	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2151	if $self->per_player;
1586		2152
		2153	# return find "?party/" . $ob->name . "/" . $self->{path}
		2154	# if $self->per_party;
		2155
1587	$self	2156	$self
1588	}	2157	}
1589		2158
1590	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2160	sub load_neighbours {
1592	my ($map) = @_;	2161	my ($map) = @_;
1593		2162
1594	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1595		2164
1596	for (0 .. 3) {	2165	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1598	or next;	2167	or next;
1599	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1600	or next;	2169	or next;
1601	$neigh->load;	2170	$neigh->load;
1602		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2176	}
1606		2177
1607	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1609	or next;	2181	or next;
1610	$neigh->load;	2182	$neigh->load;
1611	}	2183	}
1612	}	2184	}
1613		2185
…		…
1618	}	2190	}
1619		2191
1620	sub do_load_sync {	2192	sub do_load_sync {
1621	my ($map) = @_;	2193	my ($map) = @_;
1622		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1623	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1624	}	2199	}
1625		2200
1626	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1628		2203
1629	sub find_async {	2204	sub find_async {
1630	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1631		2206
1632	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1633		2208
1634	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2211	}
1637		2212
1638	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1639	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1640	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2220	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2221	$map->load if $v;
		2222	}
1645		2223
1646	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1647	}	2225	}
1648	}	2226	}
1649	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1650	};	2228	};
1651	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1652		2230
1653	()	2231	()
1654	}	2232	}
1655		2233
		2234	# common code, used by both ->save and ->swapout
1656	sub save {	2235	sub _save {
1657	my ($self) = @_;	2236	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2237
1661	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1662		2239
1663	return unless $self->dirty;	2240	return unless $self->dirty;
1664		2241
…		…
1670	return if $self->{deny_save};	2247	return if $self->{deny_save};
1671		2248
1672	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1673		2250
1674	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1676	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1677		2257
1678	if ($uniq) {	2258	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2261	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2263	}
1684	}	2264	}
1685		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1686	sub swap_out {	2274	sub swap_out {
1687	my ($self) = @_;	2275	my ($self) = @_;
1688		2276
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1694	return if $self->players;	2281	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1698	$self->clear;	2292	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2293	}
1701		2294
1702	sub reset_at {	2295	sub reset_at {
1703	my ($self) = @_;	2296	my ($self) = @_;
1704		2297
1705	# TODO: safety, remove and allow resettable per-player maps	2298	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2299	return 1e99 if $self->{deny_reset};
1708		2300
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2303
…		…
1722	my ($self) = @_;	2314	my ($self) = @_;
1723		2315
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2317
1726	return if $self->players;	2318	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2319
1729	warn "resetting map ", $self->path;#d#	2320	warn "resetting map ", $self->path, "\n";
1730		2321
1731	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
1732		2323
1733	# need to save uniques path	2324	# need to save uniques path
1734	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2329	if $uniq;
1739	}	2330	}
1740		2331
1741	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1742		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2336	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2337
1747	$self->unlink_save;	2338	$self->unlink_save;
1748	$self->destroy;	2339	$self->destroy;
1749	}	2340	}
1750		2341
1751	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1752		2343
1753	sub nuke {	2344	sub nuke {
1754	my ($self) = @_;	2345	my ($self) = @_;
1755		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
1756	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
1757		2351
1758	$self->unlink_save;	2352	$self->unlink_save;
1759		2353
1760	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2359
1766	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
1767		2362
1768	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
		2364	}
		2365
		2366	=item $maps = cf::map::tmp_maps
		2367
		2368	Returns an arrayref with all map paths of currently instantiated and saved
		2369	maps. May block.
		2370
		2371	=cut
		2372
		2373	sub tmp_maps() {
		2374	[
		2375	map {
		2376	utf8::decode $_;
		2377	/\.map$/
		2378	? normalise $_
		2379	: ()
		2380	} @{ aio_readdir $TMPDIR or [] }
		2381	]
		2382	}
		2383
		2384	=item $maps = cf::map::random_maps
		2385
		2386	Returns an arrayref with all map paths of currently instantiated and saved
		2387	random maps. May block.
		2388
		2389	=cut
		2390
		2391	sub random_maps() {
		2392	[
		2393	map {
		2394	utf8::decode $_;
		2395	/\.map$/
		2396	? normalise "?random/$_"
		2397	: ()
		2398	} @{ aio_readdir $RANDOMDIR or [] }
		2399	]
1769	}	2400	}
1770		2401
1771	=item cf::map::unique_maps	2402	=item cf::map::unique_maps
1772		2403
1773	Returns an arrayref of paths of all shared maps that have	2404	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2405	instantiated unique items. May block.
1775		2406
1776	=cut	2407	=cut
1777		2408
1778	sub unique_maps() {	2409	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2410	[
1780	or return;	2411	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2412	utf8::decode $_;
1786	next if /\.pst$/;	2413	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2415	? ()
1789	push @paths, cf::map::normalise $_;	2416	: normalise $_
		2417	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2418	]
1791
1792	\@paths
1793	}	2419	}
1794		2420
1795	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
1796		2452
1797	=back	2453	=back
1798		2454
1799	=head3 cf::object	2455	=head3 cf::object
1800		2456
…		…
1804		2460
1805	=over 4	2461	=over 4
1806		2462
1807	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
1808		2464
1809	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
1810		2467
1811	=cut	2468	=cut
1812		2469
1813	sub inv_recursive_;	2470	sub inv_recursive_;
1814	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
1817		2474
1818	sub inv_recursive {	2475	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
1820	}	2477	}
1821		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
1822	package cf;	2507	package cf;
1823		2508
1824	=back	2509	=back
1825		2510
1826	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2518	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
1835		2520
1836	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
1837		2536
1838	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2538	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
1843		2542
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2543	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2544
1846	if ($self->{record_replies}) {	2545	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2546	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2547
1848	} else {	2548	} else {
		2549	my $pl = $self->contr;
		2550
		2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2552	my $dialog = $pl->{npc_dialog};
		2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2554
		2555	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2558	}
1851	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
1852	}	2570	}
1853		2571
1854	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
1855		2573
1856	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
1869		2587
1870	=item $player_object->enter_link	2588	=item $player_object->enter_link
1871		2589
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2591
1874	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
1876		2596
1877	Will never block.	2597	Will never block.
1878		2598
1879	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
1880		2600
…		…
1900	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2621	my ($self) = @_;
1902		2622
1903	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
1904		2624
		2625	++$self->{_link_recursion};
		2626
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2628
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2630	if $self->map && $self->map->{path} ne "{link}";
1909		2631
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2633	}
1912		2634
1913	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
1915		2637
…		…
1932	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
1934		2656
1935	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
1938		2660
1939	$map->load;	2661	$map->load;
1940	$map->load_diag;	2662	$map->load_neighbours;
1941		2663
1942	return unless $self->contr->active;	2664	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2665
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
1947	}	2668	# entering was successful
		2669	delete $self->{_link_recursion};
		2670	# only activate afterwards, to support waiting in hooks
		2671	$self->activate_recursive;
		2672	}
1948		2673
		2674	}
		2675
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2677
1951	Moves the player to the given map-path and coordinates by first freezing	2678	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2679	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2680	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
1955		2686
1956	=cut	2687	=cut
1957		2688
1958	our $GOTOGEN;	2689	our $GOTOGEN;
1959		2690
1960	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
1962		2699
1963	# do generation counting so two concurrent goto's will be executed in-order	2700	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2702
1966	$self->enter_link;	2703	$self->enter_link;
1967		2704
1968	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
1969	my $map = eval {	2727	my $map = eval {
1970	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
1971		2729
1972	if ($map) {	2730	if ($map) {
1973	$map = $map->customise_for ($self);	2731	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2732	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2733	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2735	}
1978		2736
1979	$map	2737	$map
1980	};	2738	};
1981		2739
…		…
1986		2744
1987	if ($gen == $self->{_goto_generation}) {	2745	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2746	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
1990	}	2748	}
		2749
		2750	$done->($self) if $done;
1991	})->prio (1);	2751	})->prio (1);
1992	}	2752	}
1993		2753
1994	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
1995		2755
…		…
2015	}	2775	}
2016		2776
2017	sub prepare_random_map {	2777	sub prepare_random_map {
2018	my ($exit) = @_;	2778	my ($exit) = @_;
2019		2779
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2782	# that depends on the exit object
2025		2783
2026	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2786	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
2033	}	2793	}
2034		2794
2035	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
2036		2796
2037	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
2040		2800
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2803	undef $fh;
2044	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
2045		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
2048	}	2812	}
2049	}	2813	}
2050		2814
2051	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
2053		2817
2054	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
2055		2819
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2820	$self->enter_link;
2068		2821
2069	(async {	2822	(async {
2070	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
2071	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
2072	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
2073		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
2074	1;	2846	1
2075	}) {	2847	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2852
2081	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2100		2872
2101	utf8::encode $text;	2873	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2875	}
2104		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2903
		2904	Send a drawinfo or msg packet to the client, formatting the msg for the
		2905	client if neccessary. C<$type> should be a string identifying the type of
		2906	the message, with C<log> being the default. If C<$color> is negative, suppress
		2907	the message unless the client supports the msg packet.
		2908
		2909	=cut
		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
		3025	sub cf::client::send_msg {
		3026	my ($self, $channel, $msg, $color, @extra) = @_;
		3027
		3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
2105	=item $client->ext_event ($type, %msg)	3064	=item $client->ext_msg ($type, @msg)
2106		3065
2107	Sends an exti event to the client.	3066	Sends an ext event to the client.
2108		3067
2109	=cut	3068	=cut
2110		3069
2111	sub cf::client::ext_event($$%) {	3070	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3071	my ($self, $type, @msg) = @_;
2113		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3076	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
2116	}	3097	}
2117		3098
2118	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2119		3100
2120	Queues a query to the client, calling the given callback with	3101	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3102	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3104
2124	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3106	become reliable at some point in the future.
2126		3107
2127	=cut	3108	=cut
2128		3109
2129	sub cf::client::query {	3110	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3119	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3121
2141	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
2143	}	3126	}
2144		3127
2145	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
2146	on_reply => sub {	3134	on_reply => sub {
2147	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
2148		3136
2149	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
2150	# get handled first	3138	# get handled first
…		…
2162	} else {	3150	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3152	}
2165	}	3153	}
2166	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
2167	);	3181	);
2168		3182
2169	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
2170		3184
2171	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3201
2188	$coro	3202	$coro
2189	}	3203	}
2190		3204
2191	cf::client->attach (	3205	cf::client->attach (
2192	on_destroy => sub {	3206	on_client_destroy => sub {
2193	my ($ns) = @_;	3207	my ($ns) = @_;
2194		3208
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3210	},
2197	);	3211	);
…		…
2212	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2214		3228
2215	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2216		3230
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2218		3236
2219	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2220		3238
2221	=pod	3239	=pod
2222		3240
2223	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2224		3242
2225	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2226	cf::object::player player	3248	cf::object::player
2227	cf::player peaceful	3249	player
2228	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2229		3256
2230	=cut	3257	=cut
2231		3258
2232	for (	3259	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2237	) {	3266	) {
2238	no strict 'refs';	3267	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258		3287
2259	my $qcode = $code;	3288	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2262		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2263	local $_;	3295	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3296
2266	my $eval =	3297	my $eval =
2267	"do {\n"	3298	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3301	. $code
2271	. "\n}"	3302	. "\n}"
2272	;	3303	;
2273		3304
		3305	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2277		3314
2278	if ($@) {	3315	if ($@) {
2279	warn "$@";	3316	warn "$@";
2280	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2281	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2300	=cut	3337	=cut
2301		3338
2302	sub register_script_function {	3339	sub register_script_function {
2303	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2304		3341
2305	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2307	}	3344	}
2308		3345
2309	=back	3346	=back
2310		3347
2311	=cut	3348	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3349
2485	#############################################################################	3350	#############################################################################
2486	# the server's init and main functions	3351	# the server's init and main functions
2487		3352
2488	sub load_facedata($) {	3353	sub load_facedata($) {
2489	my ($path) = @_;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3361
2491	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2492		3363
2493	my $facedata;	3364	my $facedata;
2494	0 < aio_load $path, $facedata	3365	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3368	$facedata = Coro::Storable::thaw $facedata;
2498		3369
2499	$facedata->{version} == 2	3370	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
2502	{	3382	{
2503	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
2504		3384
2505	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3387
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3388	cf::face::set_visibility $idx, $info->{visibility};
		3389	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3392
		3393	cf::cede_to_tick;
2511	}	3394	}
2512		3395
2513	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2515	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2516	or next;	3400	or next;
		3401
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
		3403	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3405	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3407	}
2522	Coro::cede;	3408
		3409	cf::cede_to_tick;
2523	}	3410	}
2524	}	3411	}
2525		3412
2526	{	3413	{
2527	my $anims = $facedata->{animinfo};	3414	my $anims = $facedata->{animinfo};
2528		3415
2529	while (my ($anim, $info) = each %$anims) {	3416	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3418	cf::cede_to_tick;
2532	}	3419	}
2533		3420
2534	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
2535	}	3422	}
2536		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
2537	1	3443	1
2538	}	3444	}
2539		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
2540	sub reload_regions {	3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
2541	load_resource_file "$MAPDIR/regions"	3489	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
2543	}	3496	}
2544		3497
2545	sub reload_facedata {	3498	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3499	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3500	or die "unable to load facedata\n";
…		…
2558	}	3511	}
2559		3512
2560	sub reload_resources {	3513	sub reload_resources {
2561	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2562		3515
2563	reload_regions;
2564	reload_facedata;	3516	reload_facedata;
2565	reload_archetypes;	3517	reload_archetypes;
		3518	reload_regions;
2566	reload_treasures;	3519	reload_treasures;
2567		3520
2568	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
2569	}	3522	}
2570		3523
2571	sub init {	3524	sub reload_config {
2572	reload_resources;	3525	warn "reloading config file...\n";
2573	}
2574		3526
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3528	or return;
2578		3529
2579	local $/;	3530	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2581		3532
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3534
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3537
2587	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3542	};
2592	warn $@ if $@;	3543	warn $@ if $@;
2593	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3575	}
2595		3576
2596	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2597	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3590	(async {
2601	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2603	};	3594	};
2604		3595
2605	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2606	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2607	load_extensions;	3619	load_extensions;
2608		3620
2609	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2611	}	3634	}
2612		3635
2613	#############################################################################	3636	#############################################################################
2614	# initialisation and cleanup	3637	# initialisation and cleanup
2615		3638
2616	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2617	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2626	},
2627	);	3645	};
		3646	}
		3647	}
		3648
		3649	sub write_runtime_sync {
		3650	my $t0 = AE::time;
		3651
		3652	# first touch the runtime file to show we are still running:
		3653	# the fsync below can take a very very long time.
		3654
		3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3656
		3657	my $guard = cf::lock_acquire "write_runtime";
		3658
		3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3660	or return;
		3661
		3662	my $value = $cf::RUNTIME + 90 + 10;
		3663	# 10 is the runtime save interval, for a monotonic clock
		3664	# 60 allows for the watchdog to kill the server.
		3665
		3666	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3667	and return;
		3668
		3669	# always fsync - this file is important
		3670	aio_fsync $fh
		3671	and return;
		3672
		3673	# touch it again to show we are up-to-date
		3674	aio_utime $fh, undef, undef;
		3675
		3676	close $fh
		3677	or return;
		3678
		3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3680	and return;
		3681
		3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3683
2628	}	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2629	}	3735	}
2630		3736
2631	sub emergency_save() {	3737	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2633		3739
2634	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2635		3741
2636	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2637	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3756	$pl->save;
2645	}	3757	}
2646	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2647		3759
2648	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3763	$map->valid or next;
2652	$map->save;	3764	$map->save;
2653	}	3765	}
2654	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2655		3767
2656	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2659	};	3775	};
2660		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2661	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2662	}	3783	}
2663		3784
2664	sub post_cleanup {	3785	sub post_cleanup {
2665	my ($make_core) = @_;	3786	my ($make_core) = @_;
2666		3787
2667	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
2669	}	3818	}
2670		3819
2671	sub do_reload_perl() {	3820	sub do_reload_perl() {
2672	# can/must only be called in main	3821	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2674	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2675	return;	3824	return;
2676	}	3825	}
2677		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2678	warn "reloading...";	3832	warn "reloading...";
2679		3833
2680	warn "entering sync_job";	3834	warn "entering sync_job";
2681		3835
2682	cf::sync_job {	3836	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3838	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2686		3840
2687	warn "syncing database to disk";	3841	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3843
2690	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2691		3845
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3849	}
2728		3850
2729	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
2731	}	3853	%EXT_CORO = ();
2732		3854
2733	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3864	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3865
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
2744	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2745	}	3875	}
2746		3876
2747	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
2748	}	3892	}
2749		3893
2750	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3897
2754	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3901
2758	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3903	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2761		3905
2762	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
2763		3907
2764	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2765	require cf;	3909	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2767		3911
2768	warn "loading config and database again";	3912	warn "loading config and database again";
2769	cf::cfg_load;	3913	cf::reload_config;
2770		3914
2771	warn "loading extensions";	3915	warn "loading extensions";
2772	cf::load_extensions;	3916	cf::load_extensions;
2773		3917
		3918	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
2780		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
2781	warn "leaving sync_job";	3930	warn "leaving sync_job";
2782		3931
2783	1	3932	1
2784	} or do {	3933	} or do {
2785	warn $@;	3934	warn $@;
2786	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3936	};
2789		3937
2790	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
2791	};	3944	};
2792		3945
2793	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
2794		3947
2795	sub reload_perl() {	3948	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
2798		3951
2799	$RELOAD_WATCHER ||= Event->timer (	3952	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3953	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3954
2802	data => WF_AUTOCANCEL,	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3956	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
2806	},	3958	};
2807	);	3959	};
2808	}	3960	}
2809		3961
2810	register_command "reload" => sub {	3962	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2812		3964
2813	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3969	reload_perl;
		3970	};
2816	}	3971	}
2817	};	3972	};
2818		3973
2819	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2820		3975
…		…
2822		3977
2823	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
2825		3980
2826	sub wait_for_tick {	3981	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		3983
2830	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3986	$signal->wait;
2833	}	3987	}
2834		3988
2835	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3991
2839	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3994	$signal->wait;
2842	}	3995	}
2843		3996
2844	my $min = 1e6;#d#	3997	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3998	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
2856	return;	4001	return;
2857	}	4002	}
2858		4003
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
2862		4005
2863	0 && sync_job {#d#	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4007
2869	$map->width (50);	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4010	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4011	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4012	write_runtime_sync
2874		4013	or warn "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4014	};
		4015	}
2885		4016
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4018	$sig->send;
2902	}	4019	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4020	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4021	$sig->send;
2905	}	4022	}
2906		4023
2907	$NOW = Event::time;	4024	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4026
2918	_post_tick;	4027	if (0) {
2919		4028	if ($NEXT_TICK) {
2920		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
2921	},	4033	}
2922	);	4034	}
2923		4035
2924	{	4036	{
2925	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4038
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
2935		4040	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4041	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4042
2951	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4050
2954	cf::sync_job {	4051	cf::sync_job {
2955	eval {	4052	eval {
2956	BDB::db_env_open	4053	BDB::db_env_open
2957	$DB_ENV,	4054	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4058	0666;
2962		4059
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4061	};
2968		4062
2969	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4064	};
2971	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
2972	}	4076	}
2973		4077
2974	{	4078	{
		4079	# configure IO::AIO
		4080
2975	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4083	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4084	}
2988		4085
2989	my $_log_backtrace;	4086	my $_log_backtrace;
2990		4087
2991	sub _log_backtrace {	4088	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4091	$msg =~ s/\n//;
2995		4092
2996	# limit the # of concurrent backtraces	4093	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4094	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
2999	async {	4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
3000	my @bt = fork_call {	4100	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4101	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4104	or die "addr2line: $!";
…		…
3012	}	4112	}
3013		4113
3014	@funcs	4114	@funcs
3015	};	4115	};
3016		4116
3017	LOG llevInfo, "[ABT] $msg\n";	4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4119	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4120	--$_log_backtrace;
3020	};	4121	};
3021	} else {	4122	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4123	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4124	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4125	}
3025	}	4126	}
3026		4127
3027	# load additional modules	4128	# load additional modules
3028	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
3029		4131
3030	END { cf::emergency_save }	4132	END { cf::emergency_save }
3031		4133
3032	1	4134	1
3033		4135

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