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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # 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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=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
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$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;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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 $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
251	=item cf::lock_wait $string	405	=item cf::lock_wait $string
252		406
253	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
254		408
255	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
256		410
257	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
260	returned.	414	returned.
261		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
262	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
264		421
265	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
266		423
267	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
268		425
269	=cut	426	=cut
270		427
271	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
272		429
273	sub lock_wait($) {	430	sub lock_wait($) {
274	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	432	}
282		433
283	sub lock_acquire($) {	434	sub lock_acquire($) {
284	my ($key) = @_;	435	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	436	}
296		437
297	sub lock_active($) {	438	sub lock_active($) {
298	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	440	}
302		441
303	sub freeze_mainloop {	442	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
305		444
306	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
308	};	512	}
309	$TICK_WATCHER->stop;	513	};
310	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
311	}	528	}
312		529
313	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
314		531
315	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		537
321	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
322		539
323	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
324		541
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	545	acceptable.
329		546
330	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	552	=cut
336		553
337	sub sync_job(&) {	554	sub sync_job(&) {
338	my ($job) = @_;	555	my ($job) = @_;
339		556
340	if ($Coro::current == $Coro::main) {	557	if (in_main) {
341	my $time = Event::time;	558	my $time = AE::time;
342		559
343	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
345		562
346	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	564
348	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
349		566
350	my $busy = 1;	567	my $busy = 1;
351	my @res;	568	my @res;
352		569
353	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	572	@res = eval { $job->() };
355	warn $@ if $@;	573	error $@ if $@;
356	undef $busy;	574	undef $busy;
357	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
358		576
359	while ($busy) {	577	while ($busy) {
360	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
361	}	582	}
		583	}
362		584
363	$time = Event::time - $time;	585	my $time = AE::time - $time;
364		586
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
369		588
370	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
371	} else {	590	} else {
372	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
373		592
…		…
393	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
394		613
395	$coro	614	$coro
396	}	615	}
397		616
398	=item fork_call { }, $args	617	=item fork_call { }, @args
399		618
400	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
404		623
405	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
406		629
407	sub fork_call(&@) {	630	sub fork_call(&@) {
408	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
409		632
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		636
415	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
416	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
417		641
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	643	}
420		644
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
440	}	681	}
441		682
442	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
443		684
444	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
447		688
448	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
451	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
452		718
453	our $DB;	719	our $DB;
454		720
455	sub db_init {	721	sub db_init {
456	unless ($DB) {	722	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	723	}
471		724
472	sub db_get($$) {	725	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
474		727
475	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
476	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
477		732
478	$! ? ()	733	$! ? ()
479	: $data	734	: $data
480	}
481	}	735	}
482		736
483	sub db_put($$$) {	737	sub db_put($$$) {
484	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	778	if (1) {
525	$md5 =	779	$md5 =
526	join "\x00",	780	join "\x00",
527	$processversion,	781	$processversion,
528	map {	782	map {
529	Coro::cede;	783	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	785	} 0.. $#$src;
532		786
533		787
534	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		795
542	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	797	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
545		799
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		801
548	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
551		805
…		…
561		815
562	=cut	816	=cut
563		817
564	sub datalog($@) {	818	sub datalog($@) {
565	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	821	}
568		822
569	=back	823	=back
570		824
571	=cut	825	=cut
572		826
573	#############################################################################	827	#############################################################################
574		828
575	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
576		830
577	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
580		834
581	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	837	Deliantra).
584		838
585	=over 4	839	=over 4
586		840
587	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
588		842
…		…
632	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
633		887
634	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
636		890
637	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
639		893
640	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
641		895
642	=over 4	896	=over 4
…		…
766		1020
767	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1023
770	} elsif (ref $type) {	1024	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
772		1026
773	} else {	1027	} else {
774	shift @arg;	1028	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
776	}	1030	}
777	}	1031	}
778	}	1032	}
779		1033
780	sub _object_attach {	1034	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
791	}	1045	}
792		1046
793	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
794	} else {	1048	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1050	}
797		1051
798	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
799	}	1053	}
800		1054
…		…
840	";	1094	";
841	die if $@;	1095	die if $@;
842	}	1096	}
843		1097
844	our $override;	1098	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1100
847	sub override {	1101	sub override {
848	$override = 1;	1102	$override = 1;
849	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
850	}	1104	}
851		1105
852	sub do_invoke {	1106	sub do_invoke {
853	my $event = shift;	1107	my $event = shift;
854	my $callbacks = shift;	1108	my $callbacks = shift;
855		1109
856	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
857		1111
858	local $override;	1112	local $override;
859		1113
860	for (@$callbacks) {	1114	for (@$callbacks) {
861	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
862		1116
863	if ($@) {	1117	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1119	override;
867	}	1120	}
868		1121
869	return 1 if $override;	1122	return 1 if $override;
870	}	1123	}
871		1124
872	0	1125	0
873	}	1126	}
874		1127
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1129
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1131
879	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
880		1133
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1137
885	=back	1138	=back
886		1139
887	=cut	1140	=cut
888		1141
889	#############################################################################	1142	#############################################################################
890	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
891		1186
892	sub reattach {	1187	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1189	my ($obj) = @_;
895		1190
		1191	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1193
898	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
899		1195
900	@$registry = ();	1196	@$registry = ();
901		1197
…		…
906	for (@$attach) {	1202	for (@$attach) {
907	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
909	}	1205	}
910	} else {	1206	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1208	}
913	}	1209	}
914	}	1210	}
915		1211
916	cf::attachable->attach (	1212	cf::attachable->attach (
917	prio => -1000000,	1213	prio => -1000000,
918	on_instantiate => sub {	1214	on_instantiate => sub {
919	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
920		1216
921	$data = from_json $data;	1217	$data = decode_json $data;
922		1218
923	for (@$data) {	1219	for (@$data) {
924	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
925		1221
926	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1238	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
944		1240
945	sync_job {	1241	sync_job {
946	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
949		1247
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
954	close $fh;	1255	aio_close $fh;
955		1256
956	if (@$objs) {	1257	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
962	close $fh;	1266	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
964	}	1268	}
965	} else {	1269	} else {
966	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
967	}	1271	}
968		1272
969	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1277	} else {
971	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
972	}	1279	}
973	} else {	1280	} else {
974	aio_unlink $filename;	1281	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
976	}	1283	}
977	}	1284	};
978	}	1285	}
979		1286
980	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
982		1289
…		…
994	or return;	1301	or return;
995		1302
996	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
998	or return;	1305	or return;
		1306
999	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1000	}	1309	}
1001		1310
		1311	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1004	return ($data, $av);	1316	($data, $av)
1005	}	1317	}
1006		1318
1007	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1008		1320
1009	=over 4	1321	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1342	}
1031		1343
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1345
1034	Register a callback fro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
1035		1351
1036	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
1037	called.	1353	called.
1038		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
1039	=cut	1366	=cut
1040		1367
1041	sub register_extcmd {	1368	sub register_extcmd {
1042	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
1043		1370
1044	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
1045	}	1372	}
1046		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
1047	cf::player->attach (	1382	cf::player->attach (
1048	on_command => sub {	1383	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1050		1385
1051	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1052	or return;	1387	or return;
1053		1388
…		…
1058	cf::override;	1393	cf::override;
1059	},	1394	},
1060	on_extcmd => sub {	1395	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1062		1397
1063	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1399
1065	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1071	} else {	1415	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1417	}
1074		1418
1075	cf::override;	1419	cf::override;
1076	},	1420	},
1077	);	1421	);
1078		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1079	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1080	cf::sync_job {	1439	cf::sync_job {
1081	my %todo;	1440	my %todo;
1082		1441
1083	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1443	next unless -r $path;
…		…
1102		1461
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1464
1106	$ext{source} =	1465	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1109	. $source	1468	. $source
1110	. "\n};\n1";	1469	. "\n};\n1";
1111		1470
1112	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1113	}	1472	}
1114		1473
		1474	my $pass = 0;
1115	my %done;	1475	my %done;
1116	while (%todo) {	1476	while (%todo) {
1117	my $progress;	1477	my $progress;
1118		1478
		1479	++$pass;
		1480
		1481	ext:
1119	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1484	next ext
1122	unless exists $done{$_};	1485	unless exists $done{$_};
1123	}	1486	}
1124		1487
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1489
1127	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1132	warn $msg;	1497
1133	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1499	delete $todo{$k};
1135	}	1500	} else {
1136		1501	$done{$k} = delete $todo{$k};
1137	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1138	}	1507	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1508	}
1144		1509
1145	skip:	1510	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1148	}	1518	}
1149	};	1519	};
1150	}	1520	}
1151		1521
1152	#############################################################################	1522	#############################################################################
1153		1523
1154	=back	1524	=back
1155		1525
1156	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1157		1527
1158	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1159		1529
1160	=cut	1530	=cut
1161		1531
1162	package cf::player;	1532	package cf::player;
1163		1533
1164	use Coro::AIO;	1534	use Coro::AIO;
1165		1535
1166	=head3 cf::player	1536	=head3 cf::player
1167		1537
1168	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1169		1553
1170	=item cf::player::find $login	1554	=item cf::player::find $login
1171		1555
1172	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1173		1557
…		…
1192		1576
1193	sub exists($) {	1577	sub exists($) {
1194	my ($login) = @_;	1578	my ($login) = @_;
1195		1579
1196	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1198	}	1582	}
1199		1583
1200	sub find($) {	1584	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1586	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1597
1214	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1217	}	1607	}
1218	}	1608	}
1219	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1220		1623
1221	sub save($) {	1624	sub save($) {
1222	my ($pl) = @_;	1625	my ($pl) = @_;
1223		1626
1224	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1230		1633
1231	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1233		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1234	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1235	Coro::cede;	1643	cf::cede_to_tick;
1236	}	1644	}
1237		1645
1238	sub new($) {	1646	sub new($) {
1239	my ($login) = @_;	1647	my ($login) = @_;
1240		1648
…		…
1246	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1247		1655
1248	$self	1656	$self
1249	}	1657	}
1250		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1251	=item $pl->quit_character	1669	=item $pl->quit_character
1252		1670
1253	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1255		1673
…		…
1259	my ($pl) = @_;	1677	my ($pl) = @_;
1260		1678
1261	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1262		1680
1263	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1683
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1269	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1270		1692
1271	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1308	or return [];	1730	or return [];
1309		1731
1310	my @logins;	1732	my @logins;
1311		1733
1312	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1316		1744
1317	utf8::decode $login;	1745	utf8::decode $login;
1318	push @logins, $login;	1746	push @logins, $login;
1319	}	1747	}
1320		1748
1321	\@logins	1749	\@logins
1322	}	1750	}
1323		1751
1324	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1325		1755
1326	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1327	player. May block.	1757	player. May block.
1328		1758
1329	=cut	1759	=cut
…		…
1347	}	1777	}
1348		1778
1349	\@paths	1779	\@paths
1350	}	1780	}
1351		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1352	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1353		1787
1354	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1355		1789
1356	=cut	1790	=cut
1357		1791
1358	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1360		1794
1361	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1796	}
1365		1797
1366	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1367		1799
1368	Sends an ext event to the client.	1800	Sends an ext event to the client.
1369		1801
1370	=cut	1802	=cut
1371		1803
1372	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1374		1806
1375	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1376	}	1808	}
1377		1809
1378	=head3 cf::region	1810	=head3 cf::region
1379		1811
1380	=over 4	1812	=over 4
…		…
1390	=cut	1822	=cut
1391		1823
1392	sub find_by_path($) {	1824	sub find_by_path($) {
1393	my ($path) = @_;	1825	my ($path) = @_;
1394		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1395	my ($match, $specificity);	1829	my ($match, $specificity);
1396		1830
1397	for my $region (list) {	1831	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1401	}	1835	}
1402	}	1836	}
1403		1837
…		…
1424	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1426		1860
1427	sub generate_random_map {	1861	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1430	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1867	}
1444		1868
1445	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1446		1870
1447	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1452		1876
1453	sub register {	1877	sub register {
1454	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1879	my $pkg = caller;
1456		1880
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1882
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1884	}
1462		1885
1463	# also paths starting with '/'	1886	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1888
1466	sub thawer_merge {	1889	sub thawer_merge {
1467	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1468		1891
1469	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1474	}	1897	}
1475		1898
1476	sub normalise {	1899	sub normalise {
1477	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1478		1901
1479	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1480		1903
1481	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1482		1905
1483	# map plan:	1906	# map plan:
1484	#	1907	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1923	$path = "$base/$path";
1501	}	1924	}
1502		1925
1503	for ($path) {	1926	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1507	}	1929	}
1508		1930
1509	$path	1931	$path
…		…
1523	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1524	return $self;	1946	return $self;
1525	}	1947	}
1526	}	1948	}
1527		1949
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1951	()
1530	}	1952	}
1531		1953
1532	sub init {	1954	sub init {
1533	my ($self) = @_;	1955	my ($self) = @_;
…		…
1555		1977
1556	# the temporary/swap location	1978	# the temporary/swap location
1557	sub save_path {	1979	sub save_path {
1558	my ($self) = @_;	1980	my ($self) = @_;
1559		1981
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1562	}	1984	}
1563		1985
1564	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1565	sub uniq_path {	1987	sub uniq_path {
1566	my ($self) = @_;	1988	my ($self) = @_;
1567		1989
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1992	}
1580		1993
1581	sub decay_objects {	1994	sub decay_objects {
1582	my ($self) = @_;	1995	my ($self) = @_;
1583		1996
…		…
1596		2009
1597	sub load_header_from($) {	2010	sub load_header_from($) {
1598	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1599		2012
1600	utf8::encode $path;	2013	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1606		2022
1607	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1608		2024
1609	1	2025	1
1610	}	2026	}
…		…
1662		2078
1663	sub find;	2079	sub find;
1664	sub find {	2080	sub find {
1665	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1666		2082
		2083	cf::cede_to_tick;
		2084
1667	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1668		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2089
1671	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1674	or return;	2092	or return;
1675		2093
1676	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1677		2095
…		…
1679	or return;	2097	or return;
1680		2098
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1684	$map->reset;	2104	$map->reset;
1685	undef $guard;
1686	return find $path;	2105	return find $path;
1687	}	2106	}
1688		2107
1689	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1690	}	2109	}
1691	}	2110	}
1692		2111
1693	sub pre_load { }	2112	sub pre_load { }
1694	sub post_load { }	2113	#sub post_load { } # XS
1695		2114
1696	sub load {	2115	sub load {
1697	my ($self) = @_;	2116	my ($self) = @_;
1698		2117
1699	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1700		2119
1701	my $path = $self->{path};	2120	my $path = $self->{path};
1702		2121
1703	{	2122	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1705		2124
		2125	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2127
1708	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1709		2129
1710	$self->alloc;	2130	$self->alloc;
1711		2131
1712	$self->pre_load;	2132	$self->pre_load;
1713	Coro::cede;	2133	cf::cede_to_tick;
1714		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1716	or return;	2138	or return;
1717		2139
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1719	if delete $self->{load_original};	2141	if delete $self->{load_original};
1720		2142
1721	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2144	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2147	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1726	}	2151	}
1727	}	2152	}
1728		2153
1729	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1730	# now do the right thing for maps	2157	# now do the right thing for maps
1731	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2160	unless $self->difficulty;
1734	Coro::cede;	2161	cf::cede_to_tick;
1735		2162
1736	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2164	$self->decay_objects;
1738	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1739	$self->update_buttons;	2166	$self->update_buttons;
1740	Coro::cede;	2167	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2168	$self->activate;
1744	}	2169	}
1745		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2175	}
1748		2176
1749	$self->post_load;	2177	$self->post_load;
1750	}
1751		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2185	sub customise_for {
1753	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1754		2187
1755	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2189	if $self->per_player;
…		…
1760		2193
1761	$self	2194	$self
1762	}	2195	}
1763		2196
1764	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2198	sub load_neighbours {
1766	my ($map) = @_;	2199	my ($map) = @_;
1767		2200
1768	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1769		2202
1770	for (0 .. 3) {	2203	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1772	or next;	2205	or next;
1773	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1774	or next;	2207	or next;
1775	$neigh->load;	2208	$neigh->load;
1776		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2214	}
1780		2215
1781	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1783	or next;	2219	or next;
1784	$neigh->load;	2220	$neigh->load;
1785	}	2221	}
1786	}	2222	}
1787		2223
1788	sub find_sync {	2224	sub find_sync {
1789	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1790		2226
1791	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1792	}	2231	}
1793		2232
1794	sub do_load_sync {	2233	sub do_load_sync {
1795	my ($map) = @_;	2234	my ($map) = @_;
1796		2235
1797	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1798	}	2240	}
1799		2241
1800	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1802		2244
1803	sub find_async {	2245	sub find_async {
1804	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1805		2247
1806	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1807		2249
1808	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2252	}
1811		2253
1812	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1813	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1814	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2261	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2262	$map->load if $v;
		2263	}
1819		2264
1820	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1821	}	2266	}
1822	}	2267	}
1823	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1824	};	2269	};
1825	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1826		2271
1827	()	2272	()
1828	}	2273	}
1829		2274
		2275	# common code, used by both ->save and ->swapout
1830	sub save {	2276	sub _save {
1831	my ($self) = @_;	2277	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2278
1835	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1836		2280
1837	return unless $self->dirty;	2281	return unless $self->dirty;
1838		2282
…		…
1844	return if $self->{deny_save};	2288	return if $self->{deny_save};
1845		2289
1846	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1847		2291
1848	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1850	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1851		2298
1852	if ($uniq) {	2299	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2302	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2304	}
1858	}	2305	}
1859		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1860	sub swap_out {	2315	sub swap_out {
1861	my ($self) = @_;	2316	my ($self) = @_;
1862		2317
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1868	return if $self->players;	2322	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1872	$self->clear;	2333	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2334	}
1875		2335
1876	sub reset_at {	2336	sub reset_at {
1877	my ($self) = @_;	2337	my ($self) = @_;
1878		2338
…		…
1896		2356
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2358
1899	return if $self->players;	2359	return if $self->players;
1900		2360
1901	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1902		2362
1903	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1904		2364
1905	# need to save uniques path	2365	# need to save uniques path
1906	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2370	if $uniq;
1911	}	2371	}
1912		2372
1913	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1914		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2377	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2378
1919	$self->unlink_save;	2379	$self->unlink_save;
1920	$self->destroy;	2380	$self->destroy;
1921	}	2381	}
1922		2382
1923	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1924		2384
1925	sub nuke {	2385	sub nuke {
1926	my ($self) = @_;	2386	my ($self) = @_;
1927		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1928	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1929		2392
1930	$self->unlink_save;	2393	$self->unlink_save;
1931		2394
1932	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2400
1938	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1939		2403
1940	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
1941	}	2405	}
1942		2406
1943	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
1985		2449
1986	sub unique_maps() {	2450	sub unique_maps() {
1987	[	2451	[
1988	map {	2452	map {
1989	utf8::decode $_;	2453	utf8::decode $_;
1990	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
1991	? normalise $_	2457	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2459	]
1995	}	2460	}
1996		2461
1997	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1998		2493
1999	=back	2494	=back
2000		2495
2001	=head3 cf::object	2496	=head3 cf::object
2002		2497
…		…
2006		2501
2007	=over 4	2502	=over 4
2008		2503
2009	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2010		2505
2011	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2012		2508
2013	=cut	2509	=cut
2014		2510
2015	sub inv_recursive_;	2511	sub inv_recursive_;
2016	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2019		2515
2020	sub inv_recursive {	2516	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2022	}	2518	}
2023		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2024	package cf;	2548	package cf;
2025		2549
2026	=back	2550	=back
2027		2551
2028	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2037		2561
2038	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2039		2577
2040	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2579	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2045		2583
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2585
2048	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
2050	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
2053	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2054	}	2611	}
2055		2612
2056	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2057		2614
2058	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2071		2628
2072	=item $player_object->enter_link	2629	=item $player_object->enter_link
2073		2630
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2632
2076	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2078		2637
2079	Will never block.	2638	Will never block.
2080		2639
2081	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2082		2641
…		…
2102	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2662	my ($self) = @_;
2104		2663
2105	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2106		2665
		2666	++$self->{_link_recursion};
		2667
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2669
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2111		2672
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2674	}
2114		2675
2115	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2117		2678
…		…
2134	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2136		2697
2137	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2140		2701
2141	$map->load;	2702	$map->load;
2142	$map->load_diag;	2703	$map->load_neighbours;
2143		2704
2144	return unless $self->contr->active;	2705	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2706
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2149	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2150		2714
		2715	}
		2716
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2718
2153	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
2157		2727
2158	=cut	2728	=cut
2159		2729
2160	our $GOTOGEN;	2730	our $GOTOGEN;
2161		2731
2162	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
2164		2740
2165	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2743
2168	$self->enter_link;	2744	$self->enter_link;
2169		2745
2170	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2171	my $map = eval {	2768	my $map = eval {
2172	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2173		2770
2174	if ($map) {	2771	if ($map) {
2175	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2774	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2776	}
2180		2777
2181	$map	2778	$map
2182	};	2779	};
2183		2780
…		…
2188		2785
2189	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2192	}	2789	}
		2790
		2791	$done->($self) if $done;
2193	})->prio (1);	2792	})->prio (1);
2194	}	2793	}
2195		2794
2196	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2197		2796
…		…
2217	}	2816	}
2218		2817
2219	sub prepare_random_map {	2818	sub prepare_random_map {
2220	my ($exit) = @_;	2819	my ($exit) = @_;
2221		2820
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2823	# that depends on the exit object
2227		2824
2228	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2827	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2235	}	2834	}
2236		2835
2237	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2238		2837
2239	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2242		2841
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2844	undef $fh;
2246	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2247		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2250	}	2853	}
2251	}	2854	}
2252		2855
2253	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2255		2858
2256	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2257		2860
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2861	$self->enter_link;
2270		2862
2271	(async {	2863	(async {
2272	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2273	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2274	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2275		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2276	1;	2887	1
2277	}) {	2888	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2893
2283	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2284	$self->leave_link;	2895	$self->leave_link;
2285	}	2896	}
2286	})->prio (1);	2897	})->prio (1);
2287	}	2898	}
2288		2899
…		…
2302		2913
2303	utf8::encode $text;	2914	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2916	}
2306		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2307	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2308		3106
2309	Sends an exti event to the client.	3107	Sends an ext event to the client.
2310		3108
2311	=cut	3109	=cut
2312		3110
2313	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2315		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2318	}	3138	}
2319		3139
2320	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2321		3141
2322	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3145
2326	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3147	become reliable at some point in the future.
2328		3148
2329	=cut	3149	=cut
2330		3150
2331	sub cf::client::query {	3151	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3160	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3162
2343	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2345	}	3167	}
2346		3168
2347	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2348	on_reply => sub {	3175	on_reply => sub {
2349	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2350		3177
2351	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2352	# get handled first	3179	# get handled first
…		…
2364	} else {	3191	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3193	}
2367	}	3194	}
2368	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2369	);	3222	);
2370		3223
2371	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2372		3225
2373	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3242
2390	$coro	3243	$coro
2391	}	3244	}
2392		3245
2393	cf::client->attach (	3246	cf::client->attach (
2394	on_destroy => sub {	3247	on_client_destroy => sub {
2395	my ($ns) = @_;	3248	my ($ns) = @_;
2396		3249
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3251	},
2399	);	3252	);
…		…
2414	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2416		3269
2417	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2418		3271
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2420		3277
2421	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2422		3279
2423	=pod	3280	=pod
2424		3281
2425	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2426		3283
2427	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2428	cf::object::player player	3289	cf::object::player
2429	cf::player peaceful	3290	player
2430	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2431		3297
2432	=cut	3298	=cut
2433		3299
2434	for (	3300	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2439	) {	3307	) {
2440	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2443	for @funs;	3310	for @funs;
2444	}	3311	}
2445		3312
…		…
2460		3327
2461	my $qcode = $code;	3328	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2464		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2465	local $_;	3335	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3336
2468	my $eval =	3337	my $eval =
2469	"do {\n"	3338	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3341	. $code
2473	. "\n}"	3342	. "\n}"
2474	;	3343	;
2475		3344
		3345	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2479		3354
2480	if ($@) {	3355	if ($@) {
2481	warn "$@";	3356	warn "$@",
2482	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2483	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2484	}	3359	}
2485		3360
2486	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2487	}	3362	}
2488		3363
…		…
2502	=cut	3377	=cut
2503		3378
2504	sub register_script_function {	3379	sub register_script_function {
2505	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2506		3381
2507	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2509	}	3384	}
2510		3385
2511	=back	3386	=back
2512		3387
2513	=cut	3388	=cut
…		…
2516	# the server's init and main functions	3391	# the server's init and main functions
2517		3392
2518	sub load_facedata($) {	3393	sub load_facedata($) {
2519	my ($path) = @_;	3394	my ($path) = @_;
2520		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2521	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2522		3403
2523	my $facedata;
2524	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2525	or die "$path: $!";	3405	or die "$path: $!";
2526		3406
2527	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2528		3408
2529	$facedata->{version} == 2	3409	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2532	{	3421	{
2533	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2534		3423
2535	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
2541	}	3434	}
2542		3435
2543	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2545	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2546	or next;	3440	or next;
		3441
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3445	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3447	}
2552	Coro::cede;	3448
		3449	cf::cede_to_tick;
2553	}	3450	}
2554	}	3451	}
2555		3452
2556	{	3453	{
2557	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2558		3455
2559	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3458	cf::cede_to_tick;
2562	}	3459	}
2563		3460
2564	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2565	}	3462	}
2566		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2567	1	3483	1
2568	}	3484	}
2569		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2570	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2571	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2573	}	3516	}
2574		3517
2575	sub reload_facedata {	3518	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
…		…
2585	sub reload_treasures {	3528	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2588	}	3531	}
2589		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2590	sub reload_resources {	3556	sub reload_resources {
2591	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2592		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2593	reload_regions;	3564	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3565	reload_treasures;
2598		3566
2599	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2600	}	3568	}
2601		3569
2602	sub init {	3570	sub reload_config {
2603	reload_resources;	3571	trace "reloading config file...\n";
2604	}
2605		3572
2606	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2608	or return;
2609		3575
2610	local $/;	3576	utf8::decode $config;
2611	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2612		3578
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3580
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3583
2618	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2622	};	3588	};
2623	warn $@ if $@;	3589	warn $@ if $@;
2624	}	3590	}
2625	}	3591	}
2626		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2627	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2628	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3634	(async {
2632	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2634	};	3638	};
2635		3639
2636	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2637	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2638	load_extensions;	3663	load_extensions;
2639		3664
2640	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2642	}	3683	}
2643		3684
2644	#############################################################################	3685	#############################################################################
2645	# initialisation and cleanup	3686	# initialisation and cleanup
2646		3687
2647	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2648	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2657	},
2658	);	3694	};
2659	}	3695	}
2660	}	3696	}
2661		3697
2662	sub write_runtime {	3698	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2664		3700
2665	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2667		3703
2668	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3705
2670	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2671		3707
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3709	or return;
2674		3710
2675	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
2688		3724
2689	close $fh	3725	close $fh
2690	or return;	3726	or return;
2691		3727
2692	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3729	and return;
2694		3730
2695	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3732
2697	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2698	}	3784	}
2699		3785
2700	sub emergency_save() {	3786	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2702		3788
2703	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2704		3795
2705	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2706	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3807	$pl->save;
2714	}	3808	}
2715	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2716		3810
2717	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3816	$map->valid or next;
2721	$map->save;	3817	$map->save;
2722	}	3818	}
2723	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2724		3820
2725	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3849	};
2729		3850
2730	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2731	}	3852	}
2732		3853
2733	sub post_cleanup {	3854	sub post_cleanup {
2734	my ($make_core) = @_;	3855	my ($make_core) = @_;
2735		3856
		3857	IO::AIO::flush;
		3858
2736	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2738	}	3889	}
2739		3890
2740	sub do_reload_perl() {	3891	sub do_reload_perl() {
2741	# can/must only be called in main	3892	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2743	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2744	return;	3895	return;
2745	}	3896	}
2746		3897
2747	warn "reloading...";	3898	return if $RELOAD++;
2748		3899
2749	warn "entering sync_job";	3900	my $t1 = AE::time;
2750		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2751	cf::sync_job {	3908	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3909	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3910
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3913	%EXT_CORO = ();
2780		3914
2781	warn "removing commands";	3915	trace "perl_reload: removing commands";
2782	%COMMAND = ();	3916	%COMMAND = ();
2783		3917
2784	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2786		3921
2787	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2790		3925
2791	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3927	eval {
2793	$cb->($pkg);	3928	$cb->($pkg);
2794	1	3929	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2796	}	3935	}
2797		3936
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3940
2806	warn "... unloading $k";	3941	trace "... unloading $k";
2807	delete $INC{$k};	3942	delete $INC{$k};
2808		3943
2809	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2811		3946
2812	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2814	}	3952	}
2815		3953
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3957
2823	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3961
2827	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3963	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2830		3965
2831	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2832		3967
2833	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2834	require cf;	3969	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2836		3971
2837	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	3973	cf::reload_config;
2839		3974
2840	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	3976	cf::load_extensions;
2842		3977
		3978	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2849		3986
2850	warn "leaving sync_job";	3987	cf::_post_init 1;
2851		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
2852	1	3991	1
2853	} or do {	3992	} or do {
2854	warn $@;	3993	error $@;
2855	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	3995	};
		3996
		3997	--$RELOAD;
2857	};	3998	}
2858		3999
2859	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
2860	};	4002	};
2861		4003
2862	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
2863		4005
2864	sub reload_perl() {	4006	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
2867		4009
2868	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4012
2871	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4014	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
2875	},	4016	};
2876	);	4017	};
2877	}	4018	}
2878		4019
2879	register_command "reload" => sub {	4020	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2881		4022
2882	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4027	reload_perl;
		4028	};
2885	}	4029	}
2886	};	4030	};
2887		4031
2888	unshift @INC, $LIBDIR;	4032	#############################################################################
2889		4033
2890	my $bug_warning = 0;	4034	my $bug_warning = 0;
2891		4035
2892	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
2894		4038
2895	sub wait_for_tick {	4039	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4041
2899	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4044	$signal->wait;
2902	}	4045	}
2903		4046
2904	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4049
2908	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4052	$signal->wait;
2911	}	4053	}
2912		4054
2913	my $min = 1e6;#d#	4055	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2925	return;	4059	return;
2926	}	4060	}
2927		4061
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2931		4063
2932	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4065
2938	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4068	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4070	write_runtime_sync
2943		4071	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4072	};
		4073	}
2954		4074
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4076	$sig->send;
2971	}	4077	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4079	$sig->send;
2974	}	4080	}
2975		4081
2976	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4084
2987	_post_tick;	4085	if (0) {
2988		4086	if ($NEXT_TICK) {
2989		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
2990	},	4091	}
2991	);	4092	}
2992		4093
2993	{	4094	{
2994	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4096
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3004		4098	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4100
3020	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4108
3023	cf::sync_job {	4109	cf::sync_job {
3024	eval {	4110	eval {
3025	BDB::db_env_open	4111	BDB::db_env_open
3026	$DB_ENV,	4112	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4116	0666;
3031		4117
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4119	};
3037		4120
3038	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4122	};
3040	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3041	}	4134	}
3042		4135
3043	{	4136	{
		4137	# configure IO::AIO
		4138
3044	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4142	}
3057		4143
3058	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3059		4146
3060	sub _log_backtrace {	4147	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3062		4149
3063	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3064		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3068	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3069	my @bt = fork_call {	4163	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3081	}	4175	}
3082		4176
3083	@funcs	4177	@funcs
3084	};	4178	};
3085		4179
3086	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4183	--$_log_backtrace;
3089	};	4184	};
3090	} else {	4185	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4188	}
3094	}	4189	}
3095		4190
3096	# load additional modules	4191	# load additional modules
3097	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3098		4194
3099	END { cf::emergency_save }	4195	END { cf::emergency_save }
3100		4196
3101	1	4197	1
3102		4198

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