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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.61 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
58		115
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	118	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
69		127
70	our %CFG;	128	our %CFG;
71		129
72	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
74		133
75	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		137
81	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
84	binmode STDOUT;	151	binmode STDOUT;
85	binmode STDERR;	152	binmode STDERR;
86		153
87	# read virtual server time, if available	154	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
92	}	159	}
93		160
94	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	162
96	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		165
101	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
102		167
103	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		180
105	#############################################################################	181	#############################################################################
106		182
107	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
108		184
…		…
115	=item $cf::RUNTIME	191	=item $cf::RUNTIME
116		192
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	194	every server tick.
119		195
120	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		199
122	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
124		204
125	=item $cf::NOW	205	=item $cf::NOW
126		206
127	The time of the last (current) server tick.	207	The time of the last (current) server tick.
128		208
129	=item $cf::TICK	209	=item $cf::TICK
130		210
131	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
132		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
133	=item %cf::CFG	223	=item %cf::CFG
134		224
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	226	from wherever your confdir points to.
137		227
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		229
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
144	=back	246	=back
145		247
146	=cut	248	=cut
147		249
148	BEGIN {	250	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	251	my $msg = join "", @_;
151	utf8::encode $msg;
152		252
153	$msg .= "\n"	253	$msg .= "\n"
154	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
155		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
156	LOG llevError, $msg;	258	LOG llevError, $msg;
157	};	259	};
158	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
159		274
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		282
167	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	284	# within the Safe compartment.
169	for my $pkg (qw(	285	for my $pkg (qw(
170	cf::global cf::attachable	286	cf::global cf::attachable
171	cf::object cf::object::player	287	cf::object cf::object::player
172	cf::client cf::player	288	cf::client cf::player
173	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
174	cf::map cf::party cf::region	291	cf::party cf::region
175	)) {	292	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	294	}
179		295
180	$Event::DIED = sub {	296	$EV::DIED = sub {
181	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
182	};	298	};
		299
		300	#############################################################################
183		301
184	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
185		303
186	=over 4	304	=over 4
187		305
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	325	$d
208	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
209	}	327	}
210		328
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
214		330
215	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
216		332
217	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
218		334
219	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
220		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
221	=item cf::lock_wait $string	358	=item cf::lock_wait $string
222		359
223	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
224		361
225	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
226		363
227	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
230	returned.	367	returned.
231		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
232	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
234		374
235	=cut	375	=item $locked = cf::lock_active $string
236		376
237	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
238		382
239	sub lock_wait($) {	383	sub lock_wait($) {
240	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	385	}
248		386
249	sub lock_acquire($) {	387	sub lock_acquire($) {
250	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
251		390
252	# wait, to be sure we are not locked	391	sub lock_active($) {
253	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	393	}
262		394
263	sub freeze_mainloop {	395	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
265		397
266	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
268	};	465	}
269	$TICK_WATCHER->stop;	466	};
270	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
271	}	481	}
272		482
273	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
274		484
275	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		490
281	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
282		492
283	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
284		494
285	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
288		499
289	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
292	fast or be very important.	503	fast or be very important.
…		…
295		506
296	sub sync_job(&) {	507	sub sync_job(&) {
297	my ($job) = @_;	508	my ($job) = @_;
298		509
299	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
300	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
302		515
303	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	517
305	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
306		519
307	my $busy = 1;	520	my $busy = 1;
308	my @res;	521	my @res;
309		522
310	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	525	@res = eval { $job->() };
312	warn $@ if $@;	526	warn $@ if $@;
313	undef $busy;	527	undef $busy;
314	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
315		529
316	while ($busy) {	530	while ($busy) {
317	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
318	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
319		541
320	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
321	} else {	543	} else {
322	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
323		545
…		…
343	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
344		566
345	$coro	567	$coro
346	}	568	}
347		569
348	sub write_runtime {	570	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		571
351	my $runtime = cf::localdir . "/runtime";	572	Executes the given code block with the given arguments in a seperate
		573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
352		576
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
354	or return;
355		578
356	my $value = $cf::RUNTIME + 90 + 10;	579	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	580	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		581
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	# we seemingly have to make a local copy of the whole thing,
361	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
362		585
363	# always fsync - this file is important	586	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	587	reset_signals;
365	and return;	588	&$cb
		589	}, @args;
366		590
367	close $fh	591	wantarray ? @res : $res[-1]
368	or return;	592	}
369		593
370	aio_rename "$runtime~", $runtime	594	sub objinfo {
371	and return;
372
373	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
374	}	757	}
375		758
376	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
377		760
378	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		773
391	#############################################################################	774	#############################################################################
392		775
393	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
394		777
395	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
398		781
399	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	784	Deliantra).
402		785
403	=over 4	786	=over 4
404		787
405	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
406		789
…		…
450	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
451		834
452	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
454		837
455	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
457		840
458	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
459		842
460	=over 4	843	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
570		953
571	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		958
576	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	960	my $pkg = shift @arg;
578		961
579	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
609	}	992	}
610		993
611	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
612	} else {	995	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	997	}
615		998
616	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
617	}	1000	}
618		1001
…		…
620	if (ref $_[0]) {	1003	if (ref $_[0]) {
621	_object_attach @_;	1004	_object_attach @_;
622	} else {	1005	} else {
623	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
624	}	1007	}
		1008	_recalc_want;
625	};	1009	};
626		1010
627	# all those should be optimised	1011	# all those should be optimised
628	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1017	reattach ($obj);
634	} else {	1018	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
636	}	1020	}
		1021	_recalc_want;
637	};	1022	};
638		1023
639	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
641		1026
…		…
656	";	1041	";
657	die if $@;	1042	die if $@;
658	}	1043	}
659		1044
660	our $override;	1045	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1047
663	sub override {	1048	sub override {
664	$override = 1;	1049	$override = 1;
665	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
666	}	1051	}
667		1052
668	sub do_invoke {	1053	sub do_invoke {
669	my $event = shift;	1054	my $event = shift;
670	my $callbacks = shift;	1055	my $callbacks = shift;
671		1056
672	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
673		1058
674	local $override;	1059	local $override;
675		1060
676	for (@$callbacks) {	1061	for (@$callbacks) {
677	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
686	}	1071	}
687		1072
688	0	1073	0
689	}	1074	}
690		1075
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1077
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1079
695	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
696		1081
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1085
701	=back	1086	=back
702		1087
703	=cut	1088	=cut
704		1089
705	#############################################################################	1090	#############################################################################
706	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
707		1134
708	sub reattach {	1135	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1137	my ($obj) = @_;
711		1138
		1139	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1141
714	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
715		1143
716	@$registry = ();	1144	@$registry = ();
717		1145
…		…
732	cf::attachable->attach (	1160	cf::attachable->attach (
733	prio => -1000000,	1161	prio => -1000000,
734	on_instantiate => sub {	1162	on_instantiate => sub {
735	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
736		1164
737	$data = from_json $data;	1165	$data = decode_json $data;
738		1166
739	for (@$data) {	1167	for (@$data) {
740	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
741		1169
742	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1186	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
760		1188
761	sync_job {	1189	sync_job {
762	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
765		1194
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
770	close $fh;	1202	aio_close $fh;
771		1203
772	if (@$objs) {	1204	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
778	close $fh;	1213	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
780	}	1215	}
781	} else {	1216	} else {
782	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
783	}	1218	}
784		1219
785	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1224	} else {
787	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
788	}	1226	}
789	} else {	1227	} else {
790	aio_unlink $filename;	1228	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
792	}	1230	}
793	}	1231	};
794	}	1232	}
795		1233
796	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
798		1236
…		…
810	or return;	1248	or return;
811		1249
812	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
814	or return;	1252	or return;
		1253
815	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
816	}	1256	}
817		1257
		1258	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
820	return ($data, $av);	1262	($data, $av)
821	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
822		1270
823	#############################################################################	1271	#############################################################################
824	# command handling &c	1272	# command handling &c
825		1273
826	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1288	}
841		1289
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1291
844	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
845		1297
846	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
847	called.	1299	called.
848		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
849	=cut	1312	=cut
850		1313
851	sub register_extcmd {	1314	sub register_extcmd {
852	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
853		1316
854	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
855	}	1318	}
856		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
857	cf::player->attach (	1328	cf::player->attach (
858	on_command => sub {	1329	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
860		1331
861	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
862	or return;	1333	or return;
863		1334
…		…
868	cf::override;	1339	cf::override;
869	},	1340	},
870	on_extcmd => sub {	1341	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
872		1343
873	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1345
875	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
881	} else {	1361	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1363	}
884		1364
885	cf::override;	1365	cf::override;
886	},	1366	},
887	);	1367	);
888		1368
		1369	# "readahead" all extensions
889	sub load_extension {	1370	sub cache_extensions {
890	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
891		1372
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1376	}
917	die $@;
918	}	1377	};
919		1378
920	push @EXTS, $pkg;	1379	$grp
921	}	1380	}
922		1381
923	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
924	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1387	next unless -r $path;
926	eval {	1388
927	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
928	1	1452	}
929	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
930	}	1463	};
931	}	1464	}
932		1465
933	#############################################################################	1466	#############################################################################
934		1467
		1468	=back
		1469
935	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
936		1471
937	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
938		1473
939	=cut	1474	=cut
940		1475
941	package cf::player;	1476	package cf::player;
942		1477
…		…
944		1479
945	=head3 cf::player	1480	=head3 cf::player
946		1481
947	=over 4	1482	=over 4
948		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
949	=item cf::player::find $login	1498	=item cf::player::find $login
950		1499
951	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
952		1501
953	=cut	1502	=cut
954		1503
955	sub playerdir($) {	1504	sub playerdir($) {
956	cf::localdir	1505	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1507	}
962		1508
963	sub path($) {	1509	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1520
975	sub exists($) {	1521	sub exists($) {
976	my ($login) = @_;	1522	my ($login) = @_;
977		1523
978	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
980	}	1526	}
981		1527
982	sub find($) {	1528	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1530	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1540	aio_unlink +(playerdir $login) . "/$login.pl";
995		1541
996	my $pl = load_pl path $login	1542	my $f = new_from_file cf::object::thawer path $login
997	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
999	}	1551	}
1000	}	1552	}
1001	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1002		1567
1003	sub save($) {	1568	sub save($) {
1004	my ($pl) = @_;	1569	my ($pl) = @_;
1005		1570
1006	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1012		1577
1013	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1015		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1016	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1017	Coro::cede;	1587	cf::cede_to_tick;
1018	}	1588	}
1019		1589
1020	sub new($) {	1590	sub new($) {
1021	my ($login) = @_;	1591	my ($login) = @_;
1022		1592
…		…
1028	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1029		1599
1030	$self	1600	$self
1031	}	1601	}
1032		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1033	=item $pl->quit_character	1613	=item $pl->quit_character
1034		1614
1035	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1037		1617
…		…
1041	my ($pl) = @_;	1621	my ($pl) = @_;
1042		1622
1043	my $name = $pl->ob->name;	1623	my $name = $pl->ob->name;
1044		1624
1045	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1627
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1052		1634
1053	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1666	while and may block, so not sync_job-capable, ever.
1085		1667
1086	=cut	1668	=cut
1087		1669
1088	sub list_logins {	1670	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1671	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1672	or return [];
1091		1673
1092	my @logins;	1674	my @logins;
1093		1675
1094	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1098		1686
1099	utf8::decode $login;	1687	utf8::decode $login;
1100	push @logins, $login;	1688	push @logins, $login;
1101	}	1689	}
1102		1690
…		…
1129	}	1717	}
1130		1718
1131	\@paths	1719	\@paths
1132	}	1720	}
1133		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1134	=item $player->ext_reply ($msgid, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1135		1727
1136	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1137		1729
1138	=cut	1730	=cut
1139		1731
1140	sub ext_reply($$%) {	1732	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1142		1734
1143	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1736	}
1147		1737
1148	=item $player->ext_event ($type, %msg)	1738	=item $player->ext_msg ($type, @msg)
1149		1739
1150	Sends an ext event to the client.	1740	Sends an ext event to the client.
1151		1741
1152	=cut	1742	=cut
1153		1743
1154	sub ext_event($$%) {	1744	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1745	my ($self, $type, @msg) = @_;
1156		1746
1157	$self->ns->ext_event ($type, %msg);	1747	$self->ns->ext_msg ($type, @msg);
1158	}	1748	}
1159		1749
1160	=head3 cf::region	1750	=head3 cf::region
1161		1751
1162	=over 4	1752	=over 4
…		…
1165		1755
1166	package cf::region;	1756	package cf::region;
1167		1757
1168	=item cf::region::find_by_path $path	1758	=item cf::region::find_by_path $path
1169		1759
1170	Tries to decuce the probable region for a map knowing only its path.	1760	Tries to decuce the likely region for a map knowing only its path.
1171		1761
1172	=cut	1762	=cut
1173		1763
1174	sub find_by_path($) {	1764	sub find_by_path($) {
1175	my ($path) = @_;	1765	my ($path) = @_;
1176		1766
1177	my ($match, $specificity);	1767	my ($match, $specificity);
1178		1768
1179	for my $region (list) {	1769	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1770	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1771	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1772	if $region->specificity > $specificity;
1183	}	1773	}
1184	}	1774	}
1185		1775
…		…
1206	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1208		1798
1209	sub generate_random_map {	1799	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1211	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1805	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1249	my ($self, $merge) = @_;	1842	my ($self, $merge) = @_;
1250		1843
1251	# we have to keep some variables in memory intact	1844	# we have to keep some variables in memory intact
1252	local $self->{path};	1845	local $self->{path};
1253	local $self->{load_path};	1846	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1847
1257	$self->SUPER::thawer_merge ($merge);	1848	$self->SUPER::thawer_merge ($merge);
1258	}	1849	}
1259		1850
1260	sub normalise {	1851	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1898	$self->init; # pass $1 etc.
1308	return $self;	1899	return $self;
1309	}	1900	}
1310	}	1901	}
1311		1902
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1904	()
1314	}	1905	}
1315		1906
1316	sub init {	1907	sub init {
1317	my ($self) = @_;	1908	my ($self) = @_;
…		…
1332		1923
1333	# the original (read-only) location	1924	# the original (read-only) location
1334	sub load_path {	1925	sub load_path {
1335	my ($self) = @_;	1926	my ($self) = @_;
1336		1927
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1928	"$MAPDIR/$self->{path}.map"
1338	}	1929	}
1339		1930
1340	# the temporary/swap location	1931	# the temporary/swap location
1341	sub save_path {	1932	sub save_path {
1342	my ($self) = @_;	1933	my ($self) = @_;
1343		1934
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1936	"$TMPDIR/$path.map"
1346	}	1937	}
1347		1938
1348	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1349	sub uniq_path {	1940	sub uniq_path {
1350	my ($self) = @_;	1941	my ($self) = @_;
1351		1942
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1944	"$UNIQUEDIR/$path"
1354	}	1945	}
1355		1946
1356	# and all this just because we cannot iterate over	1947	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1948	my ($self) = @_;
1360		1949
1361	$_->change_map_light ($change)	1950	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1951
		1952	$self->do_decay_objects;
1363	}	1953	}
1364		1954
1365	sub unlink_save {	1955	sub unlink_save {
1366	my ($self) = @_;	1956	my ($self) = @_;
1367		1957
…		…
1372		1962
1373	sub load_header_from($) {	1963	sub load_header_from($) {
1374	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1375		1965
1376	utf8::encode $path;	1966	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1382		1975
1383	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1384		1977
1385	1	1978	1
1386	}	1979	}
…		…
1425	$self->load_header_orig	2018	$self->load_header_orig
1426	or return;	2019	or return;
1427	$self->prepare_orig;	2020	$self->prepare_orig;
1428	}	2021	}
1429		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1430	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2027	unless $self->default_region;
1432		2028
1433	1	2029	1
1434	}	2030	}
…		…
1437	sub find {	2033	sub find {
1438	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1439		2035
1440	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1441		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2040
1444	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1447	or return;	2043	or return;
1448		2044
1449	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1450		2046
1451	$map->load_header	2047	$map->load_header
1452	or return;	2048	or return;
1453		2049
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1457	$map->reset;	2055	$map->reset;
1458	undef $guard;
1459	return find $path;	2056	return find $path;
1460	}	2057	}
1461		2058
1462	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1463	}	2060	}
1464	}	2061	}
1465		2062
1466	sub pre_load { }	2063	sub pre_load { }
1467	sub post_load { }	2064	#sub post_load { } # XS
1468		2065
1469	sub load {	2066	sub load {
1470	my ($self) = @_;	2067	my ($self) = @_;
1471		2068
1472	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1473		2070
1474	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1476		2075
		2076	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2078
1479	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1480		2080
1481	$self->alloc;	2081	$self->alloc;
1482		2082
1483	$self->pre_load;	2083	$self->pre_load;
1484	Coro::cede;	2084	cf::cede_to_tick;
1485		2085
1486	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1487	or return;	2089	or return;
1488		2090
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1490	if delete $self->{load_original};	2092	if delete $self->{load_original};
1491		2093
1492	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2095	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2098	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1497	}	2102	}
1498	}	2103	}
1499		2104
1500	Coro::cede;	2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1501	# now do the right thing for maps	2108	# now do the right thing for maps
1502	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2111	unless $self->difficulty;
1513	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1514	$self->activate;	2119	$self->activate;
1515	Coro::cede;	2120	}
		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
		2125	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2126	}
1517		2127
1518	$self->post_load;	2128	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2129	}
1523		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2134	sub customise_for {
1525	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1526		2136
1527	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2138	if $self->per_player;
1529		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1530	$self	2143	$self
1531	}	2144	}
1532		2145
1533	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2147	sub load_neighbours {
1535	my ($map) = @_;	2148	my ($map) = @_;
1536		2149
1537	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1538		2151
1539	for (0 .. 3) {	2152	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1541	or next;	2154	or next;
1542	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1543	or next;	2156	or next;
1544	$neigh->load;	2157	$neigh->load;
1545		2158
		2159	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2162	}
1549		2163
1550	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1552	or next;	2167	or next;
1553	$neigh->load;	2168	$neigh->load;
1554	}	2169	}
1555	}	2170	}
1556		2171
…		…
1561	}	2176	}
1562		2177
1563	sub do_load_sync {	2178	sub do_load_sync {
1564	my ($map) = @_;	2179	my ($map) = @_;
1565		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1566	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1567	}	2185	}
1568		2186
1569	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1571		2189
1572	sub find_async {	2190	sub find_async {
1573	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1574		2192
1575	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1576		2194
1577	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2197	}
1580		2198
1581	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1582	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1583	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2206	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2207	$map->load if $v;
		2208	}
1588		2209
1589	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1590	}	2211	}
1591	}	2212	}
1592	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1593	};	2214	};
1594	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
1595		2216
1596	()	2217	()
1597	}	2218	}
1598		2219
		2220	# common code, used by both ->save and ->swapout
1599	sub save {	2221	sub _save {
1600	my ($self) = @_;	2222	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2223
1604	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1605		2225
1606	return unless $self->dirty;	2226	return unless $self->dirty;
1607		2227
…		…
1613	return if $self->{deny_save};	2233	return if $self->{deny_save};
1614		2234
1615	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1616		2236
1617	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1619	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1620		2243
1621	if ($uniq) {	2244	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2247	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2249	}
1627	}	2250	}
1628		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1629	sub swap_out {	2260	sub swap_out {
1630	my ($self) = @_;	2261	my ($self) = @_;
1631		2262
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1637	return if $self->players;	2267	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1641	$self->clear;	2278	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2279	}
1644		2280
1645	sub reset_at {	2281	sub reset_at {
1646	my ($self) = @_;	2282	my ($self) = @_;
1647		2283
1648	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1651		2286
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2289
…		…
1665	my ($self) = @_;	2300	my ($self) = @_;
1666		2301
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2303
1669	return if $self->players;	2304	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2305
1672	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
1673		2307
1674	$self->in_memory (cf::MAP_SWAPPED);	2308	$self->in_memory (cf::MAP_SWAPPED);
1675		2309
1676	# need to save uniques path	2310	# need to save uniques path
1677	unless ($self->{deny_save}) {	2311	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2315	if $uniq;
1682	}	2316	}
1683		2317
1684	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1685		2319
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2322	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2323
1690	$self->unlink_save;	2324	$self->unlink_save;
1691	$self->destroy;	2325	$self->destroy;
1692	}	2326	}
1693		2327
1694	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1695		2329
1696	sub nuke {	2330	sub nuke {
1697	my ($self) = @_;	2331	my ($self) = @_;
1698		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
1699	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
1700		2337
1701	$self->unlink_save;	2338	$self->unlink_save;
1702		2339
1703	bless $self, "cf::map";	2340	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2345
1709	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
1710		2348
1711	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
		2350	}
		2351
		2352	=item $maps = cf::map::tmp_maps
		2353
		2354	Returns an arrayref with all map paths of currently instantiated and saved
		2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
		2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
1712	}	2386	}
1713		2387
1714	=item cf::map::unique_maps	2388	=item cf::map::unique_maps
1715		2389
1716	Returns an arrayref of paths of all shared maps that have	2390	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2391	instantiated unique items. May block.
1718		2392
1719	=cut	2393	=cut
1720		2394
1721	sub unique_maps() {	2395	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2396	[
1723	or return;	2397	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2398	utf8::decode $_;
1729	next if /\.pst$/;	2399	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2401	? ()
1732	push @paths, cf::map::normalise $_;	2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2404	]
1734
1735	\@paths
1736	}	2405	}
1737		2406
1738	package cf;	2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
		2436	\@maps
		2437	}
1739		2438
1740	=back	2439	=back
1741		2440
1742	=head3 cf::object	2441	=head3 cf::object
1743		2442
…		…
1747		2446
1748	=over 4	2447	=over 4
1749		2448
1750	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1751		2450
1752	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1753		2453
1754	=cut	2454	=cut
1755		2455
1756	sub inv_recursive_;	2456	sub inv_recursive_;
1757	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1760		2460
1761	sub inv_recursive {	2461	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1763	}	2463	}
1764		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1765	package cf;	2493	package cf;
1766		2494
1767	=back	2495	=back
1768		2496
1769	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1778		2506
1779	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1780		2522
1781	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2524	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1786		2528
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2530
1789	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1791	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1794	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1795	}	2556	}
1796		2557
1797	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1798		2559
1799	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1812		2573
1813	=item $player_object->enter_link	2574	=item $player_object->enter_link
1814		2575
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2577
1817	The player should be reasonably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
1819		2582
1820	Will never block.	2583	Will never block.
1821		2584
1822	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1823		2586
…		…
1846	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1847		2610
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2612
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1852		2615
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2617	}
1855		2618
1856	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1858		2623
1859	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1860		2625
1861	unless ($map) {	2626	unless ($map) {
1862	# restore original map position	2627	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1875		2640
1876	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1879		2644
1880	$map->load;	2645	$map->load;
1881	$map->load_diag;	2646	$map->load_neighbours;
1882		2647
1883	return unless $self->contr->active;	2648	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2649
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2651	$self->enter_map ($map, $x, $y);
1888	}
1889		2652
1890	cf::player->attach (	2653	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2654	$self->activate_recursive;
1892	my ($pl) = @_;	2655	}
1893		2656
1894	# abort map switching before logout	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2658
1904	# try to abort aborted map switching on player login :)	2659	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2660	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2662	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2663	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2664
1922	=item $player_object->goto ($path, $x, $y)	2665	Note that $check will be called with a potentially non-loaded map, so if
		2666	it needs a loaded map it has to call C<< ->load >>.
1923		2667
1924	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1925		2671
1926	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2677
1929	$self->enter_link;	2678	$self->enter_link;
1930		2679
1931	(async {	2680	(async {
		2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
1932	my $map = eval {	2702	my $map = eval {
1933	my $map = cf::map::find $path;	2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
		2707	$map = $check->($map) if $check && $map;
		2708	} else {
		2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
		2711
1935	$map	2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2718	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1940	})->prio (1);	2726	})->prio (1);
1941	}	2727	}
1942		2728
1943	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1944		2730
…		…
1964	}	2750	}
1965		2751
1966	sub prepare_random_map {	2752	sub prepare_random_map {
1967	my ($exit) = @_;	2753	my ($exit) = @_;
1968		2754
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2757	# that depends on the exit object
1974		2758
1975	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2761	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2762	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1982	}	2768	}
1983		2769
1984	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1985		2771
1986	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
1989		2775
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2778	undef $fh;
1993	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
1994		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1997	}	2787	}
1998	}	2788	}
1999		2789
2000	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
2002		2792
2003	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
2004		2794
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2795	$self->enter_link;
2017		2796
2018	(async {	2797	(async {
2019	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
2020	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
		2807	prepare_random_map $exit
		2808	if $exit->slaying eq "/!";
		2809	}
		2810
		2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
		2814
2021	$self->goto ($slaying, $hp, $sp);	2815	$self->goto ($map, $x, $y);
2022		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
2023	1;	2821	1
2024	}) {	2822	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2827
2030	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
…		…
2049		2847
2050	utf8::encode $text;	2848	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2850	}
2053		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
2054	=item $client->ext_event ($type, %msg)	3039	=item $client->ext_msg ($type, @msg)
2055		3040
2056	Sends an exti event to the client.	3041	Sends an ext event to the client.
2057		3042
2058	=cut	3043	=cut
2059		3044
2060	sub cf::client::ext_event($$%) {	3045	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3046	my ($self, $type, @msg) = @_;
2062		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3051	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
2065	}	3072	}
2066		3073
2067	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
2068		3075
2069	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3079
2073	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3081	become reliable at some point in the future.
2075		3082
2076	=cut	3083	=cut
2077		3084
2078	sub cf::client::query {	3085	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3094	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3096
2090	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
2092	}	3101	}
2093		3102
2094	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
2095	on_reply => sub {	3109	on_reply => sub {
2096	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
2097		3111
2098	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
2099	# get handled first	3113	# get handled first
…		…
2111	} else {	3125	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3127	}
2114	}	3128	}
2115	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
2116	);	3156	);
2117		3157
2118	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
2119		3159
2120	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3176
2137	$coro	3177	$coro
2138	}	3178	}
2139		3179
2140	cf::client->attach (	3180	cf::client->attach (
2141	on_destroy => sub {	3181	on_client_destroy => sub {
2142	my ($ns) = @_;	3182	my ($ns) = @_;
2143		3183
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3185	},
2146	);	3186	);
…		…
2161	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2163		3203
2164	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2165		3205
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2167		3211
2168	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2169		3213
2170	=pod	3214	=pod
2171		3215
2172	The following functions and methods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2173		3217
2174	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2175	cf::object::player player	3223	cf::object::player
2176	cf::player peaceful	3224	player
2177	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2178		3231
2179	=cut	3232	=cut
2180		3233
2181	for (	3234	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2186	) {	3241	) {
2187	no strict 'refs';	3242	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3262
2208	my $qcode = $code;	3263	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2211		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2212	local $_;	3270	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3271
2215	my $eval =	3272	my $eval =
2216	"do {\n"	3273	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3276	. $code
2220	. "\n}"	3277	. "\n}"
2221	;	3278	;
2222		3279
		3280	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2226		3289
2227	if ($@) {	3290	if ($@) {
2228	warn "$@";	3291	warn "$@";
2229	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2230	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2249	=cut	3312	=cut
2250		3313
2251	sub register_script_function {	3314	sub register_script_function {
2252	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2253		3316
2254	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2256	}	3319	}
2257		3320
2258	=back	3321	=back
2259		3322
2260	=cut	3323	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3324
2334	#############################################################################	3325	#############################################################################
2335	# the server's init and main functions	3326	# the server's init and main functions
2336		3327
2337	sub load_facedata($) {	3328	sub load_facedata($) {
2338	my ($path) = @_;	3329	my ($path) = @_;
		3330
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3336
2340	warn "loading facedata from $path\n";	3337	warn "loading facedata from $path\n";
2341		3338
2342	my $facedata;	3339	my $facedata;
2343	0 < aio_load $path, $facedata	3340	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3343	$facedata = Coro::Storable::thaw $facedata;
2347		3344
2348	$facedata->{version} == 2	3345	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3347
		3348	# patch in the exptable
		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3350	$facedata->{resource}{"res/exp_table"} = {
		3351	type => FT_RSRC,
		3352	data => $exp_table,
		3353	hash => (Digest::MD5::md5 $exp_table),
		3354	};
		3355	cf::cede_to_tick;
		3356
2351	{	3357	{
2352	my $faces = $facedata->{faceinfo};	3358	my $faces = $facedata->{faceinfo};
2353		3359
2354	while (my ($face, $info) = each %$faces) {	3360	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3362
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3363	cf::face::set_visibility $idx, $info->{visibility};
		3364	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3367
		3368	cf::cede_to_tick;
2360	}	3369	}
2361		3370
2362	while (my ($face, $info) = each %$faces) {	3371	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3372	next unless $info->{smooth};
		3373
2364	my $idx = cf::face::find $face	3374	my $idx = cf::face::find $face
2365	or next;	3375	or next;
		3376
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3380	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3382	}
2371	Coro::cede;	3383
		3384	cf::cede_to_tick;
2372	}	3385	}
2373	}	3386	}
2374		3387
2375	{	3388	{
2376	my $anims = $facedata->{animinfo};	3389	my $anims = $facedata->{animinfo};
2377		3390
2378	while (my ($anim, $info) = each %$anims) {	3391	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3393	cf::cede_to_tick;
2381	}	3394	}
2382		3395
2383	cf::anim::invalidate_all; # d'oh	3396	cf::anim::invalidate_all; # d'oh
2384	}	3397	}
2385		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
2386	1	3418	1
2387	}	3419	}
2388		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
2389	sub reload_facedata {	3473	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3474	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3475	or die "unable to load facedata\n";
2392	}	3476	}
2393		3477
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3478	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	3479	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3480	or die "unable to load archetypes\n";
2402	}	3481	}
2403		3482
2404	sub reload_treasures {	3483	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3484	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3485	or die "unable to load treasurelists\n";
2407	}	3486	}
2408		3487
2409	sub reload_resources {	3488	sub reload_resources {
2410	warn "reloading resource files...\n";	3489	warn "reloading resource files...\n";
2411		3490
2412	reload_regions;
2413	reload_facedata;	3491	reload_facedata;
2414	reload_archetypes;	3492	reload_archetypes;
		3493	reload_regions;
2415	reload_treasures;	3494	reload_treasures;
2416		3495
2417	warn "finished reloading resource files\n";	3496	warn "finished reloading resource files\n";
2418	}	3497	}
2419		3498
2420	sub init {	3499	sub reload_config {
2421	reload_resources;	3500	warn "reloading config file...\n";
2422	}
2423		3501
2424	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3503	or return;
2427		3504
2428	local $/;	3505	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2430		3507
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2432		3509
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2439	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2440	};	3517	};
2441	warn $@ if $@;	3518	warn $@ if $@;
2442	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2443	}	3550	}
2444		3551
2445	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2446	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3565	(async {
2450	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2452	};	3569	};
2453		3570
2454	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
		3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
2455	db_init;	3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2456	load_extensions;	3594	load_extensions;
2457		3595
2458	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2460	}	3609	}
2461		3610
2462	#############################################################################	3611	#############################################################################
2463	# initialisation and cleanup	3612	# initialisation and cleanup
2464		3613
2465	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2466	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2475	},
2476	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2477	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2478	}	3710	}
2479		3711
2480	sub emergency_save() {	3712	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2482		3714
2483	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2484		3716
2485	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2486	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3731	$pl->save;
2494	}	3732	}
2495	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2496		3734
2497	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3738	$map->valid or next;
2501	$map->save;	3739	$map->save;
2502	}	3740	}
2503	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
2504		3742
2505	warn "begin emergency database checkpoint\n";	3743	warn "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2508	};	3750	};
2509		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2510	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2511	}	3758	}
2512		3759
2513	sub post_cleanup {	3760	sub post_cleanup {
2514	my ($make_core) = @_;	3761	my ($make_core) = @_;
2515		3762
2516	warn Carp::longmess "post_cleanup backtrace"	3763	warn Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
2518	}	3793	}
2519		3794
2520	sub do_reload_perl() {	3795	sub do_reload_perl() {
2521	# can/must only be called in main	3796	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2523	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2524	return;	3799	return;
2525	}	3800	}
2526		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2527	warn "reloading...";	3807	warn "reloading...";
2528		3808
2529	warn "entering sync_job";	3809	warn "entering sync_job";
2530		3810
2531	cf::sync_job {	3811	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2533	cf::emergency_save;	3813	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark	3814	cf::write_runtime_sync; # external watchdog should not bark
2535		3815
2536	warn "syncing database to disk";	3816	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3817	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3818
2539	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2540		3820
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2552	warn "iterate...";	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();
2560
2561	warn "removing commands";
2562	%COMMAND = ();
2563
2564	warn "removing ext commands";
2565	%EXTCMD = ();
2566
2567	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";
2570
2571	if (my $cb = $pkg->can ("unload")) {
2572	eval {
2573	$cb->($pkg);
2574	1
2575	} or warn "$pkg unloaded, but with errors: $@";
2576	}	3824	}
2577		3825
2578	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
2579	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
2580	}	3828	%EXT_CORO = ();
2581		3829
2582	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
2583	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
2586	warn "... unloading $k";	3839	warn "... unloading $pkg";
2587	delete $INC{$k};
2588		3840
2589	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;
2591
2592	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
2593	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2594	}	3850	}
2595		3851
2596	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
2597	}	3867	}
2598		3868
2599	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3872
2603	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3876
2606	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3878	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2609		3880
2610	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
2611		3882
2612	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2613	require cf;	3884	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2615		3886
2616	warn "loading config and database again";	3887	warn "loading config and database again";
2617	cf::cfg_load;	3888	cf::reload_config;
2618		3889
2619	warn "loading extensions";	3890	warn "loading extensions";
2620	cf::load_extensions;	3891	cf::load_extensions;
2621		3892
		3893	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3895	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3898	warn "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3899	reattach $_ for values %PLAYER;
		3900	}
2628		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
2629	warn "leaving sync_job";	3905	warn "leaving sync_job";
2630		3906
2631	1	3907	1
2632	} or do {	3908	} or do {
2633	warn $@;	3909	warn $@;
2634	warn "error while reloading, exiting.";	3910	cf::cleanup "error while reloading, exiting.";
2635	exit 1;
2636	};	3911	};
2637		3912
2638	warn "reloaded";	3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
2639	};	3919	};
2640		3920
2641	our $RELOAD_WATCHER; # used only during reload	3921	our $RELOAD_WATCHER; # used only during reload
2642		3922
2643	sub reload_perl() {	3923	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3924	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3925	# coro crashes during coro_state_free->destroy here.
2646		3926
2647	$RELOAD_WATCHER ||= Event->timer (	3927	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	3928	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	3929
2650	data => WF_AUTOCANCEL,	3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	3931	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3932	undef $RELOAD_WATCHER;
2654	},	3933	};
2655	);	3934	};
2656	}	3935	}
2657		3936
2658	register_command "reload" => sub {	3937	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2660		3939
2661	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3944	reload_perl;
		3945	};
2664	}	3946	}
2665	};	3947	};
2666		3948
2667	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2668		3950
…		…
2670		3952
2671	our @WAIT_FOR_TICK;	3953	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	3954	our @WAIT_FOR_TICK_BEGIN;
2673		3955
2674	sub wait_for_tick {	3956	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		3958
2678	my $signal = new Coro::Signal;	3959	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	3960	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	3961	$signal->wait;
2681	}	3962	}
2682		3963
2683	sub wait_for_tick_begin {	3964	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		3966
2687	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3968	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3969	$signal->wait;
2690	}	3970	}
2691		3971
2692	$TICK_WATCHER = Event->timer (	3972	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
2702	return;	3976	return;
2703	}	3977	}
2704		3978
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2708		3980
2709	$RUNTIME += $TICK;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		3982
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	3985	Coro::async_pool {
		3986	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3987	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3989	};
		3990	}
2719		3991
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3993	$sig->send;
2731	}	3994	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3995	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3996	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	3997	}
2738	);	3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
2739		4010
2740	{	4011	{
2741	BDB::max_poll_time $TICK * 0.1;	4012	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4013
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4014	BDB::min_parallel 16;
2751		4015	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4016	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4017
2767	unless ($DB_ENV) {	4018	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4025
2770	cf::sync_job {	4026	cf::sync_job {
2771	eval {	4027	eval {
2772	BDB::db_env_open	4028	BDB::db_env_open
2773	$DB_ENV,	4029	$DB_ENV,
2774	$BDB_ENV_DIR,	4030	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4033	0666;
2778		4034
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4036	};
2784		4037
2785	cf::cleanup "db_env_open(db): $@" if $@;	4038	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4039	};
2787	}	4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
2788	}	4051	}
2789		4052
2790	{	4053	{
		4054	# configure IO::AIO
		4055
2791	IO::AIO::min_parallel 8;	4056	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4057	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4058	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2804		4106
2805	END { cf::emergency_save }	4107	END { cf::emergency_save }
2806		4108
2807	1	4109	1
2808		4110

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