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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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 thread
169	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.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
257		387
258	=item cf::lock_wait $string	388	=item cf::lock_wait $string
259		389
260	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
261		391
262	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
263		393
264	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
267	returned.	397	returned.
268		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
269	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
271		404
272	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
273		406
274	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
275		408
276	=cut	409	=cut
277		410
278	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
279		412
280	sub lock_wait($) {	413	sub lock_wait($) {
281	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	415	}
289		416
290	sub lock_acquire($) {	417	sub lock_acquire($) {
291	my ($key) = @_;	418	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	419	}
303		420
304	sub lock_active($) {	421	sub lock_active($) {
305	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	423	}
309		424
310	sub freeze_mainloop {	425	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
312		427
313	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
315	};	495	}
316	$TICK_WATCHER->stop;	496	};
317	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
318	}	511	}
319		512
320	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
321		514
322	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		520
328	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
329		522
330	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
331		524
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	528	acceptable.
336		529
337	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	535	=cut
343		536
344	sub sync_job(&) {	537	sub sync_job(&) {
345	my ($job) = @_;	538	my ($job) = @_;
346		539
347	if ($Coro::current == $Coro::main) {	540	if (in_main) {
348	my $time = Event::time;	541	my $time = AE::time;
349		542
350	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
352		545
353	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	547
355	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
356		549
357	my $busy = 1;	550	my $busy = 1;
358	my @res;	551	my @res;
359		552
360	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	555	@res = eval { $job->() };
362	warn $@ if $@;	556	error $@ if $@;
363	undef $busy;	557	undef $busy;
364	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
365		559
366	while ($busy) {	560	while ($busy) {
367	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
368	}	565	}
		566	}
369		567
370	$time = Event::time - $time;	568	my $time = AE::time - $time;
371		569
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
376		571
377	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
378	} else {	573	} else {
379	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
380		575
…		…
400	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
401		596
402	$coro	597	$coro
403	}	598	}
404		599
405	=item fork_call { }, $args	600	=item fork_call { }, @args
406		601
407	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
411		606
412	=cut	607	=cut
413		608
414	sub _store_scalar {	609	sub post_fork {
415	open my $fh, ">", \my $buf	610	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	611	}
422		612
423	sub fork_call(&@) {	613	sub fork_call(&@) {
424	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
425		615
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	616	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	617	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	618	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		619
431	if (my $pid = fork) {	620	my @res = Coro::Util::fork_eval {
432	close $fh2;	621	cf::post_fork;
		622	&$cb
		623	} @args;
433		624
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	625	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	626	}
436	$res = Coro::Storable::thaw $res;
437		627
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	628	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
465	}	664	}
466		665
467	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
468		667
469	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
472		671
473	Stores the given C<$value> in the family. It can currently store binary	672	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
476	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
477		701
478	our $DB;	702	our $DB;
479		703
480	sub db_init {	704	sub db_init {
481	unless ($DB) {	705	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	706	}
496		707
497	sub db_get($$) {	708	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
499		710
500	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
501	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
502		715
503	$! ? ()	716	$! ? ()
504	: $data	717	: $data
505	}
506	}	718	}
507		719
508	sub db_put($$$) {	720	sub db_put($$$) {
509	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
549	if (1) {	761	if (1) {
550	$md5 =	762	$md5 =
551	join "\x00",	763	join "\x00",
552	$processversion,	764	$processversion,
553	map {	765	map {
554	Coro::cede;	766	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	768	} 0.. $#$src;
557		769
558		770
559	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		778
567	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	780	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
570		782
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		784
573	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
576		788
…		…
586		798
587	=cut	799	=cut
588		800
589	sub datalog($@) {	801	sub datalog($@) {
590	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	804	}
593		805
594	=back	806	=back
595		807
596	=cut	808	=cut
597		809
598	#############################################################################	810	#############################################################################
599		811
600	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
601		813
602	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
605		817
606	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	820	Deliantra).
609		821
610	=over 4	822	=over 4
611		823
612	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
613		825
…		…
657	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
658		870
659	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
661		873
662	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
664		876
665	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
666		878
667	=over 4	879	=over 4
…		…
791		1003
792	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1006
795	} elsif (ref $type) {	1007	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
797		1009
798	} else {	1010	} else {
799	shift @arg;	1011	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
801	}	1013	}
802	}	1014	}
803	}	1015	}
804		1016
805	sub _object_attach {	1017	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
816	}	1028	}
817		1029
818	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
819	} else {	1031	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1033	}
822		1034
823	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
824	}	1036	}
825		1037
…		…
865	";	1077	";
866	die if $@;	1078	die if $@;
867	}	1079	}
868		1080
869	our $override;	1081	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1083
872	sub override {	1084	sub override {
873	$override = 1;	1085	$override = 1;
874	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
875	}	1087	}
876		1088
877	sub do_invoke {	1089	sub do_invoke {
878	my $event = shift;	1090	my $event = shift;
879	my $callbacks = shift;	1091	my $callbacks = shift;
880		1092
881	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
882		1094
883	local $override;	1095	local $override;
884		1096
885	for (@$callbacks) {	1097	for (@$callbacks) {
886	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
887		1099
888	if ($@) {	1100	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1102	override;
892	}	1103	}
893		1104
894	return 1 if $override;	1105	return 1 if $override;
895	}	1106	}
896		1107
897	0	1108	0
898	}	1109	}
899		1110
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1112
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1114
904	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
905		1116
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1120
910	=back	1121	=back
911		1122
912	=cut	1123	=cut
913		1124
914	#############################################################################	1125	#############################################################################
915	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
916		1169
917	sub reattach {	1170	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1172	my ($obj) = @_;
920		1173
		1174	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1176
923	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
924		1178
925	@$registry = ();	1179	@$registry = ();
926		1180
…		…
931	for (@$attach) {	1185	for (@$attach) {
932	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
934	}	1188	}
935	} else {	1189	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1191	}
938	}	1192	}
939	}	1193	}
940		1194
941	cf::attachable->attach (	1195	cf::attachable->attach (
942	prio => -1000000,	1196	prio => -1000000,
943	on_instantiate => sub {	1197	on_instantiate => sub {
944	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
945		1199
946	$data = from_json $data;	1200	$data = decode_json $data;
947		1201
948	for (@$data) {	1202	for (@$data) {
949	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
950		1204
951	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1221	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
969		1223
970	sync_job {	1224	sync_job {
971	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
974		1230
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
979	close $fh;	1238	aio_close $fh;
980		1239
981	if (@$objs) {	1240	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
987	close $fh;	1249	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
989	}	1251	}
990	} else {	1252	} else {
991	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
992	}	1254	}
993		1255
994	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1260	} else {
996	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
997	}	1262	}
998	} else {	1263	} else {
999	aio_unlink $filename;	1264	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
1001	}	1266	}
1002	}	1267	};
1003	}	1268	}
1004		1269
1005	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
1007		1272
…		…
1019	or return;	1284	or return;
1020		1285
1021	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1288	or return;
		1289
1024	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1025	}	1292	}
1026		1293
		1294	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1029	return ($data, $av);	1299	($data, $av)
1030	}	1300	}
1031		1301
1032	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1033		1303
1034	=over 4	1304	=over 4
…		…
1088	my ($name, $cb) = @_;	1358	my ($name, $cb) = @_;
1089		1359
1090	$EXTICMD{$name} = $cb;	1360	$EXTICMD{$name} = $cb;
1091	}	1361	}
1092		1362
		1363	use File::Glob ();
		1364
1093	cf::player->attach (	1365	cf::player->attach (
1094	on_command => sub {	1366	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1096		1368
1097	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1098	or return;	1370	or return;
1099		1371
…		…
1107	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1108		1380
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1382
1111	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1117	} else {	1398	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1400	}
1120		1401
1121	cf::override;	1402	cf::override;
1122	},	1403	},
1123	);	1404	);
1124		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1125	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1126	cf::sync_job {	1422	cf::sync_job {
1127	my %todo;	1423	my %todo;
1128		1424
1129	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1426	next unless -r $path;
…		…
1148		1444
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1447
1152	$ext{source} =	1448	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1155	. $source	1451	. $source
1156	. "\n};\n1";	1452	. "\n};\n1";
1157		1453
1158	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1159	}	1455	}
1160		1456
		1457	my $pass = 0;
1161	my %done;	1458	my %done;
1162	while (%todo) {	1459	while (%todo) {
1163	my $progress;	1460	my $progress;
1164		1461
		1462	++$pass;
		1463
		1464	ext:
1165	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1467	next ext
1168	unless exists $done{$_};	1468	unless exists $done{$_};
1169	}	1469	}
1170		1470
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1472
1173	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1178	warn $msg;	1480
1179	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1482	delete $todo{$k};
1181	}	1483	} else {
1182		1484	$done{$k} = delete $todo{$k};
1183	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1184	}	1490	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1491	}
1190		1492
1191	skip:	1493	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1194	}	1501	}
1195	};	1502	};
1196	}	1503	}
1197		1504
1198	#############################################################################	1505	#############################################################################
1199		1506
1200	=back	1507	=back
1201		1508
1202	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1203		1510
1204	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1205		1512
1206	=cut	1513	=cut
1207		1514
1208	package cf::player;	1515	package cf::player;
1209		1516
1210	use Coro::AIO;	1517	use Coro::AIO;
1211		1518
1212	=head3 cf::player	1519	=head3 cf::player
1213		1520
1214	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1215		1536
1216	=item cf::player::find $login	1537	=item cf::player::find $login
1217		1538
1218	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1219		1540
…		…
1238		1559
1239	sub exists($) {	1560	sub exists($) {
1240	my ($login) = @_;	1561	my ($login) = @_;
1241		1562
1242	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1244	}	1565	}
1245		1566
1246	sub find($) {	1567	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1569	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1580
1260	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1263	}	1590	}
1264	}	1591	}
1265	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1266		1606
1267	sub save($) {	1607	sub save($) {
1268	my ($pl) = @_;	1608	my ($pl) = @_;
1269		1609
1270	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1276		1616
1277	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1279		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1280	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1281	Coro::cede;	1626	cf::cede_to_tick;
1282	}	1627	}
1283		1628
1284	sub new($) {	1629	sub new($) {
1285	my ($login) = @_;	1630	my ($login) = @_;
1286		1631
…		…
1292	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1293		1638
1294	$self	1639	$self
1295	}	1640	}
1296		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1297	=item $pl->quit_character	1652	=item $pl->quit_character
1298		1653
1299	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1301		1656
…		…
1305	my ($pl) = @_;	1660	my ($pl) = @_;
1306		1661
1307	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1308		1663
1309	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1666
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1316		1675
1317	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1713	or return [];
1355		1714
1356	my @logins;	1715	my @logins;
1357		1716
1358	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1362		1727
1363	utf8::decode $login;	1728	utf8::decode $login;
1364	push @logins, $login;	1729	push @logins, $login;
1365	}	1730	}
1366		1731
1367	\@logins	1732	\@logins
1368	}	1733	}
1369		1734
1370	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1371		1738
1372	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1373	player. May block.	1740	player. May block.
1374		1741
1375	=cut	1742	=cut
…		…
1393	}	1760	}
1394		1761
1395	\@paths	1762	\@paths
1396	}	1763	}
1397		1764
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1766
1400	Expand crossfire pod fragments into protocol xml.	1767	Expand deliantra pod fragments into protocol xml.
1401		1768
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1449		1770
1450	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1451		1772
1452	=cut	1773	=cut
1453		1774
1454	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1456		1777
1457	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1779	}
1460		1780
1461	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1462		1782
1463	Sends an ext event to the client.	1783	Sends an ext event to the client.
1464		1784
1465	=cut	1785	=cut
1466		1786
1467	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1469		1789
1470	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1471	}	1791	}
1472		1792
1473	=head3 cf::region	1793	=head3 cf::region
1474		1794
1475	=over 4	1795	=over 4
…		…
1485	=cut	1805	=cut
1486		1806
1487	sub find_by_path($) {	1807	sub find_by_path($) {
1488	my ($path) = @_;	1808	my ($path) = @_;
1489		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1490	my ($match, $specificity);	1812	my ($match, $specificity);
1491		1813
1492	for my $region (list) {	1814	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1496	}	1818	}
1497	}	1819	}
1498		1820
…		…
1519	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1521		1843
1522	sub generate_random_map {	1844	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1524	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1850	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1547		1872
1548	sub register {	1873	sub register {
1549	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1550	my $pkg = caller;	1875	my $pkg = caller;
1551		1876
1552	no strict;
1553	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1554		1878
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1880	}
1557		1881
1558	# also paths starting with '/'	1882	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1884
1561	sub thawer_merge {	1885	sub thawer_merge {
1562	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1563		1887
1564	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1569	}	1893	}
1570		1894
1571	sub normalise {	1895	sub normalise {
1572	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1573		1897
1574	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1575		1899
1576	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1577		1901
1578	# map plan:	1902	# map plan:
1579	#	1903	#
…		…
1618	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1619	return $self;	1943	return $self;
1620	}	1944	}
1621	}	1945	}
1622		1946
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1624	()	1948	()
1625	}	1949	}
1626		1950
1627	sub init {	1951	sub init {
1628	my ($self) = @_;	1952	my ($self) = @_;
…		…
1650		1974
1651	# the temporary/swap location	1975	# the temporary/swap location
1652	sub save_path {	1976	sub save_path {
1653	my ($self) = @_;	1977	my ($self) = @_;
1654		1978
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1657	}	1981	}
1658		1982
1659	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1660	sub uniq_path {	1984	sub uniq_path {
1661	my ($self) = @_;	1985	my ($self) = @_;
1662		1986
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1989	}
1675		1990
1676	sub decay_objects {	1991	sub decay_objects {
1677	my ($self) = @_;	1992	my ($self) = @_;
1678		1993
…		…
1691		2006
1692	sub load_header_from($) {	2007	sub load_header_from($) {
1693	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1694		2009
1695	utf8::encode $path;	2010	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1701		2019
1702	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1703		2021
1704	1	2022	1
1705	}	2023	}
…		…
1757		2075
1758	sub find;	2076	sub find;
1759	sub find {	2077	sub find {
1760	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1761		2079
		2080	cf::cede_to_tick;
		2081
1762	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1763		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2086
1766	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1769	or return;	2089	or return;
1770		2090
1771	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1772		2092
…		…
1774	or return;	2094	or return;
1775		2095
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1779	$map->reset;	2101	$map->reset;
1780	undef $guard;
1781	return find $path;	2102	return find $path;
1782	}	2103	}
1783		2104
1784	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1785	}	2106	}
1786	}	2107	}
1787		2108
1788	sub pre_load { }	2109	sub pre_load { }
1789	sub post_load { }	2110	#sub post_load { } # XS
1790		2111
1791	sub load {	2112	sub load {
1792	my ($self) = @_;	2113	my ($self) = @_;
1793		2114
1794	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1795		2116
1796	my $path = $self->{path};	2117	my $path = $self->{path};
1797		2118
1798	{	2119	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1800		2121
		2122	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2124
1803	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1804		2126
1805	$self->alloc;	2127	$self->alloc;
1806		2128
1807	$self->pre_load;	2129	$self->pre_load;
1808	Coro::cede;	2130	cf::cede_to_tick;
1809		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1811	or return;	2135	or return;
1812		2136
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1814	if delete $self->{load_original};	2138	if delete $self->{load_original};
1815		2139
1816	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2141	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2144	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1821	}	2148	}
1822	}	2149	}
1823		2150
1824	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1825	# now do the right thing for maps	2154	# now do the right thing for maps
1826	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2157	unless $self->difficulty;
1829	Coro::cede;	2158	cf::cede_to_tick;
1830		2159
1831	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2161	$self->decay_objects;
1833	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1834	$self->update_buttons;	2163	$self->update_buttons;
1835	Coro::cede;	2164	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2165	$self->activate;
1839	}	2166	}
1840		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2172	}
1843		2173
1844	$self->post_load;	2174	$self->post_load;
1845	}	2175	}
1846		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2180	sub customise_for {
1848	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1849		2182
1850	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2184	if $self->per_player;
…		…
1855		2188
1856	$self	2189	$self
1857	}	2190	}
1858		2191
1859	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2193	sub load_neighbours {
1861	my ($map) = @_;	2194	my ($map) = @_;
1862		2195
1863	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1864		2197
1865	for (0 .. 3) {	2198	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1867	or next;	2200	or next;
1868	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1869	or next;	2202	or next;
1870	$neigh->load;	2203	$neigh->load;
1871		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2209	}
1875		2210
1876	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1878	or next;	2214	or next;
1879	$neigh->load;	2215	$neigh->load;
1880	}	2216	}
1881	}	2217	}
1882		2218
1883	sub find_sync {	2219	sub find_sync {
1884	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1885		2221
1886	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1887	}	2226	}
1888		2227
1889	sub do_load_sync {	2228	sub do_load_sync {
1890	my ($map) = @_;	2229	my ($map) = @_;
1891		2230
1892	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1893	}	2235	}
1894		2236
1895	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1897		2239
1898	sub find_async {	2240	sub find_async {
1899	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1900		2242
1901	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1902		2244
1903	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2247	}
1906		2248
1907	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1908	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1909	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2256	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2257	$map->load if $v;
		2258	}
1914		2259
1915	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1916	}	2261	}
1917	}	2262	}
1918	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1919	};	2264	};
1920	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1921		2266
1922	()	2267	()
1923	}	2268	}
1924		2269
		2270	# common code, used by both ->save and ->swapout
1925	sub save {	2271	sub _save {
1926	my ($self) = @_;	2272	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2273
1930	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1931		2275
1932	return unless $self->dirty;	2276	return unless $self->dirty;
1933		2277
…		…
1939	return if $self->{deny_save};	2283	return if $self->{deny_save};
1940		2284
1941	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1942		2286
1943	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1945	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1946		2293
1947	if ($uniq) {	2294	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2297	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2299	}
1953	}	2300	}
1954		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1955	sub swap_out {	2310	sub swap_out {
1956	my ($self) = @_;	2311	my ($self) = @_;
1957		2312
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1963	return if $self->players;	2317	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1967	$self->clear;	2328	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2329	}
1970		2330
1971	sub reset_at {	2331	sub reset_at {
1972	my ($self) = @_;	2332	my ($self) = @_;
1973		2333
…		…
1991		2351
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2353
1994	return if $self->players;	2354	return if $self->players;
1995		2355
1996	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1997		2357
1998	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1999		2359
2000	# need to save uniques path	2360	# need to save uniques path
2001	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2365	if $uniq;
2006	}	2366	}
2007		2367
2008	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
2009		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2372	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2373
2014	$self->unlink_save;	2374	$self->unlink_save;
2015	$self->destroy;	2375	$self->destroy;
2016	}	2376	}
2017		2377
2018	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
2019		2379
2020	sub nuke {	2380	sub nuke {
2021	my ($self) = @_;	2381	my ($self) = @_;
2022		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
2023	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2024		2387
2025	$self->unlink_save;	2388	$self->unlink_save;
2026		2389
2027	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2395
2033	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
2034		2398
2035	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
2036	}	2400	}
2037		2401
2038	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2080		2444
2081	sub unique_maps() {	2445	sub unique_maps() {
2082	[	2446	[
2083	map {	2447	map {
2084	utf8::decode $_;	2448	utf8::decode $_;
2085	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2086	? normalise $_	2452	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2454	]
2090	}	2455	}
2091		2456
2092	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2093		2488
2094	=back	2489	=back
2095		2490
2096	=head3 cf::object	2491	=head3 cf::object
2097		2492
…		…
2101		2496
2102	=over 4	2497	=over 4
2103		2498
2104	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2105		2500
2106	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2107		2503
2108	=cut	2504	=cut
2109		2505
2110	sub inv_recursive_;	2506	sub inv_recursive_;
2111	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2114		2510
2115	sub inv_recursive {	2511	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2117	}	2513	}
2118		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2119	package cf;	2543	package cf;
2120		2544
2121	=back	2545	=back
2122		2546
2123	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2132		2556
2133	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2134		2572
2135	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2574	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2145		2583
2146	} else {	2584	} else {
2147	my $pl = $self->contr;	2585	my $pl = $self->contr;
2148		2586
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2590
2158	} else {	2591	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2594	}
2162	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
2163	}	2606	}
2164		2607
2165	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
2166		2609
2167	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
2180		2623
2181	=item $player_object->enter_link	2624	=item $player_object->enter_link
2182		2625
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2627
2185	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2187		2632
2188	Will never block.	2633	Will never block.
2189		2634
2190	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2191		2636
…		…
2211	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2657	my ($self) = @_;
2213		2658
2214	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2215		2660
		2661	++$self->{_link_recursion};
		2662
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2664
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2220		2667
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2669	}
2223		2670
2224	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2226		2673
…		…
2243	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2245		2692
2246	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2249		2696
2250	$map->load;	2697	$map->load;
2251	$map->load_diag;	2698	$map->load_neighbours;
2252		2699
2253	return unless $self->contr->active;	2700	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2701
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2258	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2259		2709
		2710	}
		2711
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2713
2262	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
2266		2722
2267	=cut	2723	=cut
2268		2724
2269	our $GOTOGEN;	2725	our $GOTOGEN;
2270		2726
2271	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
2273		2735
2274	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2738
2277	$self->enter_link;	2739	$self->enter_link;
2278		2740
2279	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2280	my $map = eval {	2763	my $map = eval {
2281	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2282		2765
2283	if ($map) {	2766	if ($map) {
2284	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2769	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2771	}
2289		2772
2290	$map	2773	$map
2291	};	2774	};
2292		2775
…		…
2297		2780
2298	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2301	}	2784	}
		2785
		2786	$done->($self) if $done;
2302	})->prio (1);	2787	})->prio (1);
2303	}	2788	}
2304		2789
2305	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2306		2791
…		…
2326	}	2811	}
2327		2812
2328	sub prepare_random_map {	2813	sub prepare_random_map {
2329	my ($exit) = @_;	2814	my ($exit) = @_;
2330		2815
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2818	# that depends on the exit object
2336		2819
2337	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2822	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2344	}	2829	}
2345		2830
2346	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2347		2832
2348	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2351		2836
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2839	undef $fh;
2355	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2356		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2359	}	2848	}
2360	}	2849	}
2361		2850
2362	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2364		2853
2365	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2366		2855
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2856	$self->enter_link;
2379		2857
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2858	(async {
2385	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2386	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2387	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2388		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2389	1;	2882	1
2390	}) {	2883	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2888
2396	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2890	$self->leave_link;
2398	}	2891	}
2399	})->prio (1);	2892	})->prio (1);
2400	}	2893	}
2401		2894
…		…
2415		2908
2416	utf8::encode $text;	2909	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2911	}
2419		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2939
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2941	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2426		2944
2427	=cut	2945	=cut
2428		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2429	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3063
2432	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
2433		3085
2434	return unless @extra || length $msg;	3086	return unless @extra || length $msg;
2435		3087
2436	if ($self->can_msg) {	3088	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3090	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3091
2449	if ($color >= 0) {	3092	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3093	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3095	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2460	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2461		3101
2462	Sends an ext event to the client.	3102	Sends an ext event to the client.
2463		3103
2464	=cut	3104	=cut
2465		3105
2466	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2468		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2471	}	3133	}
2472		3134
2473	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2474		3136
2475	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3192	my ($ns, $buf) = @_;
2531		3193
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3195
2534	if (ref $msg) {	3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3204	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3205	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
2541	} else {	3211	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3213	}
2544		3214
2545	cf::override;	3215	cf::override;
2546	},	3216	},
2547	);	3217	);
…		…
2567		3237
2568	$coro	3238	$coro
2569	}	3239	}
2570		3240
2571	cf::client->attach (	3241	cf::client->attach (
2572	on_destroy => sub {	3242	on_client_destroy => sub {
2573	my ($ns) = @_;	3243	my ($ns) = @_;
2574		3244
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3246	},
2577	);	3247	);
…		…
2592	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2594		3264
2595	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2596		3266
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2598		3272
2599	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2600		3274
2601	=pod	3275	=pod
2602		3276
2603	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2604		3278
2605	cf::object	3279	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3280	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3281	insert remove name archname title slaying race decrease split
		3282	value
2608		3283
2609	cf::object::player	3284	cf::object::player
2610	player	3285	player
2611		3286
2612	cf::player	3287	cf::player
…		…
2617		3292
2618	=cut	3293	=cut
2619		3294
2620	for (	3295	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2626	) {	3302	) {
2627	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2630	for @funs;	3305	for @funs;
2631	}	3306	}
2632		3307
…		…
2647		3322
2648	my $qcode = $code;	3323	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2651		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2652	local $_;	3330	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3331
2655	my $eval =	3332	my $eval =
2656	"do {\n"	3333	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3336	. $code
2660	. "\n}"	3337	. "\n}"
2661	;	3338	;
2662		3339
		3340	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2666		3349
2667	if ($@) {	3350	if ($@) {
2668	warn "$@";	3351	warn "$@",
2669	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2671	}	3354	}
2672		3355
2673	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2674	}	3357	}
2675		3358
…		…
2689	=cut	3372	=cut
2690		3373
2691	sub register_script_function {	3374	sub register_script_function {
2692	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2693		3376
2694	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2696	}	3379	}
2697		3380
2698	=back	3381	=back
2699		3382
2700	=cut	3383	=cut
…		…
2703	# the server's init and main functions	3386	# the server's init and main functions
2704		3387
2705	sub load_facedata($) {	3388	sub load_facedata($) {
2706	my ($path) = @_;	3389	my ($path) = @_;
2707		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2708	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2709		3398
2710	my $facedata;
2711	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2712	or die "$path: $!";	3400	or die "$path: $!";
2713		3401
2714	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2715		3403
2716	$facedata->{version} == 2	3404	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2719	{	3416	{
2720	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2721		3418
2722	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3426
		3427	cf::cede_to_tick;
2728	}	3428	}
2729		3429
2730	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2732	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2733	or next;	3434	or next;
		3435
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3439	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3441	}
2739	Coro::cede;	3442
		3443	cf::cede_to_tick;
2740	}	3444	}
2741	}	3445	}
2742		3446
2743	{	3447	{
2744	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2745		3449
2746	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3452	cf::cede_to_tick;
2749	}	3453	}
2750		3454
2751	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2752	}	3456	}
2753		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2754	1	3477	1
2755	}	3478	}
2756		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2757	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2758	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2760	}	3510	}
2761		3511
2762	sub reload_facedata {	3512	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
2765	}	3515	}
2766		3516
2767	sub reload_archetypes {	3517	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3518	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3520	}
2776		3521
2777	sub reload_treasures {	3522	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2780	}	3525	}
2781		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2782	sub reload_resources {	3550	sub reload_resources {
2783	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2784		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2785	reload_regions;	3558	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3559	reload_treasures;
2790		3560
2791	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2792	}	3562	}
2793		3563
2794	sub init {	3564	sub reload_config {
2795	reload_resources;	3565	trace "reloading config file...\n";
2796	}
2797		3566
2798	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2800	or return;
2801		3569
2802	local $/;	3570	utf8::decode $config;
2803	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2804		3572
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3574
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3577
2810	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2814	};	3582	};
2815	warn $@ if $@;	3583	warn $@ if $@;
2816	}	3584	}
2817	}	3585	}
2818		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2819	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2820	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3628	(async {
2824	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2826	};	3632	};
2827		3633
2828	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2829	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2830	load_extensions;	3657	load_extensions;
2831		3658
2832	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2834	}	3677	}
2835		3678
2836	#############################################################################	3679	#############################################################################
2837	# initialisation and cleanup	3680	# initialisation and cleanup
2838		3681
2839	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2840	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2849	},
2850	);	3688	};
2851	}	3689	}
2852	}	3690	}
2853		3691
2854	sub write_runtime {	3692	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
2856		3694
2857	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
2859		3697
2860	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3699
2862	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
2863		3701
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3703	or return;
2866		3704
2867	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
2880		3718
2881	close $fh	3719	close $fh
2882	or return;	3720	or return;
2883		3721
2884	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3723	and return;
2886		3724
2887	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3726
2889	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2890	}	3778	}
2891		3779
2892	sub emergency_save() {	3780	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2894		3782
2895	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2896		3789
2897	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2898	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3801	$pl->save;
2906	}	3802	}
2907	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2908		3804
2909	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3810	$map->valid or next;
2913	$map->save;	3811	$map->save;
2914	}	3812	}
2915	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2916		3814
2917	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2920	};	3843	};
2921		3844
2922	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2923	}	3846	}
2924		3847
2925	sub post_cleanup {	3848	sub post_cleanup {
2926	my ($make_core) = @_;	3849	my ($make_core) = @_;
2927		3850
		3851	IO::AIO::flush;
		3852
2928	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2930	}	3883	}
2931		3884
2932	sub do_reload_perl() {	3885	sub do_reload_perl() {
2933	# can/must only be called in main	3886	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2935	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2936	return;	3889	return;
2937	}	3890	}
2938		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2939	warn "reloading...";	3898	info "reloading...";
2940		3899
2941	warn "entering sync_job";	3900	trace "entering sync_job";
2942		3901
2943	cf::sync_job {	3902	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	3903	#cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		3904
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	3907	%EXT_CORO = ();
2972		3908
2973	warn "removing commands";	3909	trace "removing commands";
2974	%COMMAND = ();	3910	%COMMAND = ();
2975		3911
2976	warn "removing ext/exti commands";	3912	trace "removing ext/exti commands";
2977	%EXTCMD = ();	3913	%EXTCMD = ();
2978	%EXTICMD = ();	3914	%EXTICMD = ();
2979		3915
2980	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2983		3919
2984	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2985	eval {	3921	eval {
2986	$cb->($pkg);	3922	$cb->($pkg);
2987	1	3923	1
2988	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2989	}	3929	}
2990		3930
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3934
2999	warn "... unloading $k";	3935	trace "... unloading $k";
3000	delete $INC{$k};	3936	delete $INC{$k};
3001		3937
3002	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
3004		3940
3005	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
3007	}	3946	}
3008		3947
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3951
3016	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3955
3020	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3957	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
3023		3959
3024	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
3025		3961
3026	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
3027	require cf;	3963	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
3029		3965
3030	warn "loading config and database again";	3966	trace "loading config and database again";
3031	cf::cfg_load;	3967	cf::reload_config;
3032		3968
3033	warn "loading extensions";	3969	trace "loading extensions";
3034	cf::load_extensions;	3970	cf::load_extensions;
3035		3971
		3972	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
3042		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
3043	warn "leaving sync_job";	3984	trace "leaving sync_job";
3044		3985
3045	1	3986	1
3046	} or do {	3987	} or do {
3047	warn $@;	3988	error $@;
3048	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
3049	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
3050	};	3994	}
3051		3995
3052	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
3053	};	3998	};
3054		3999
3055	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
3056		4001
3057	sub reload_perl() {	4002	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
3060		4005
3061	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	4008
3064	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	4010	do_reload_perl;
3067	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
3068	},	4012	};
3069	);	4013	};
3070	}	4014	}
3071		4015
3072	register_command "reload" => sub {	4016	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
3074		4018
3075	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	4023	reload_perl;
		4024	};
3078	}	4025	}
3079	};	4026	};
3080		4027
3081	unshift @INC, $LIBDIR;	4028	#############################################################################
3082		4029
3083	my $bug_warning = 0;	4030	my $bug_warning = 0;
3084		4031
3085	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
3087		4034
3088	sub wait_for_tick {	4035	sub wait_for_tick() {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		4037
3092	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	4040	$signal->wait;
3095	}	4041	}
3096		4042
3097	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		4045
3101	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4048	$signal->wait;
3104	}	4049	}
3105		4050
3106	my $min = 1e6;#d#	4051	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3118	return;	4055	return;
3119	}	4056	}
3120		4057
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3124		4059
3125	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		4061
3131	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	4064	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	4066	write_runtime_sync
3136		4067	or error "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4068	};
		4069	}
3147		4070
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4072	$sig->send;
3164	}	4073	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	4075	$sig->send;
3167	}	4076	}
3168		4077
3169	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4080
3180	_post_tick;	4081	if (0) {
3181		4082	if ($NEXT_TICK) {
3182		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3183	},	4087	}
3184	);	4088	}
3185		4089
3186	{	4090	{
3187	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4092
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3197		4094	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4096
3213	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4104
3216	cf::sync_job {	4105	cf::sync_job {
3217	eval {	4106	eval {
3218	BDB::db_env_open	4107	BDB::db_env_open
3219	$DB_ENV,	4108	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4112	0666;
3224		4113
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4115	};
3230		4116
3231	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4118	};
3233	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3234	}	4130	}
3235		4131
3236	{	4132	{
		4133	# configure IO::AIO
		4134
3237	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4138	}
3250		4139
3251	my $_log_backtrace;	4140	my $_log_backtrace;
3252		4141
3253	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3257		4146
3258	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3261	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3262	my @bt = fork_call {	4154	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3274	}	4166	}
3275		4167
3276	@funcs	4168	@funcs
3277	};	4169	};
3278		4170
3279	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4174	--$_log_backtrace;
3282	};	4175	};
3283	} else {	4176	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3286	}	4179	}
3287	}	4180	}
3288		4181
3289	# load additional modules	4182	# load additional modules
3290	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3291		4185
3292	END { cf::emergency_save }	4186	END { cf::emergency_save }
3293		4187
3294	1	4188	1
3295		4189

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