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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 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;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	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;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	118	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
61		127
62	our %CFG;	128	our %CFG;
63		129
64	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
66		133
67	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		137
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		150
79	binmode STDOUT;	151	binmode STDOUT;
80	binmode STDERR;	152	binmode STDERR;
81		153
82	# read virtual server time, if available	154	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
87	}	159	}
88		160
89	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	162
91	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		165
96	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
97		167
98	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		184
100	#############################################################################	185	#############################################################################
101		186
102	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
103		188
…		…
110	=item $cf::RUNTIME	195	=item $cf::RUNTIME
111		196
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	198	every server tick.
114		199
115	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		203
117	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
119		208
120	=item $cf::NOW	209	=item $cf::NOW
121		210
122	The time of the last (current) server tick.	211	The time of the last (current) server tick.
123		212
124	=item $cf::TICK	213	=item $cf::TICK
125		214
126	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
127		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
128	=item %cf::CFG	227	=item %cf::CFG
129		228
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	230	from wherever your confdir points to.
132		231
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		233
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
139		249
140	=back	250	=back
141		251
142	=cut	252	=cut
143		253
144	BEGIN {	254	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	255	my $msg = join "", @_;
147	utf8::encode $msg;
148		256
149	$msg .= "\n"	257	$msg .= "\n"
150	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
151		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
152	LOG llevError, $msg;	262	LOG llevError, $msg;
153	};	263	};
154	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
155		278
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		286
163	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	288	# within the Safe compartment.
165	for my $pkg (qw(	289	for my $pkg (qw(
166	cf::global cf::attachable	290	cf::global cf::attachable
167	cf::object cf::object::player	291	cf::object cf::object::player
168	cf::client cf::player	292	cf::client cf::player
169	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
170	cf::map cf::party cf::region	295	cf::party cf::region
171	)) {	296	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	298	}
175		299
176	$Event::DIED = sub {	300	$EV::DIED = sub {
177	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
178	};	302	};
		303
		304	#############################################################################
179		305
180	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
181		307
182	=over 4	308	=over 4
183		309
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	329	$d
204	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
205	}	331	}
206		332
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
210		334
211	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
212		336
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
221		338
222	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
223		340
224	=cut	341	=cut
225		342
226	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
228	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
229	}	360	}
230		361
231	=item cf::lock_wait $string	362	=item cf::lock_wait $string
232		363
233	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
234		365
235	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
236		367
237	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
240	returned.	371	returned.
241		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
242	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
244		378
245	=cut	379	=item $locked = cf::lock_active $string
246		380
247	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
248		386
249	sub lock_wait($) {	387	sub lock_wait($) {
250	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	389	}
258		390
259	sub lock_acquire($) {	391	sub lock_acquire($) {
260	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
261		394
262	# wait, to be sure we are not locked	395	sub lock_active($) {
263	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	397	}
272		398
273	sub freeze_mainloop {	399	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
275		401
276	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	403	}
278	$WRITE_RUNTIME_WATCHER->start;	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
279	};	469	}
280	$WRITE_RUNTIME_WATCHER->stop;	470	};
281	$TICK_WATCHER->stop;	471
282	$guard	472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
283	}	485	}
284		486
285	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
286		488
287	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		494
293	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
294		496
295	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
296		498
297	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
300		503
301	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
304	fast or be very important.	507	fast or be very important.
…		…
307		510
308	sub sync_job(&) {	511	sub sync_job(&) {
309	my ($job) = @_;	512	my ($job) = @_;
310		513
311	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
312	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
314		519
315	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	521
317	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
318		523
319	my $busy = 1;	524	my $busy = 1;
320	my @res;	525	my @res;
321		526
322	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	529	@res = eval { $job->() };
324	warn $@ if $@;	530	warn $@ if $@;
325	undef $busy;	531	undef $busy;
326	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
327		533
328	while ($busy) {	534	while ($busy) {
329	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
330	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
331		545
332	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
333	} else {	547	} else {
334	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
335		549
…		…
355	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
356		570
357	$coro	571	$coro
358	}	572	}
359		573
360	sub write_runtime {	574	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		575
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
364	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
365		580
366	my $value = $cf::RUNTIME + 90 + 10;	581	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		582
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	583	sub fork_call(&@) {
371	and return;	584	my ($cb, @args) = @_;
372		585
373	# always fsync - this file is important	586	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	587	# otherwise perl prematurely frees the stuff :/
375	and return;	588	# TODO: investigate and fix (likely this will be rather laborious)
376		589
377	close $fh	590	my @res = Coro::Util::fork_eval {
378	or return;	591	reset_signals;
		592	&$cb
		593	}, @args;
379		594
380	aio_rename "$runtime~", $runtime	595	wantarray ? @res : $res[-1]
381	and return;	596	}
382		597
		598	sub objinfo {
383	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	772	}
385		773
386	=back	774	=back
387		775
388	=cut	776	=cut
389		777
390	#############################################################################	778	#############################################################################
391		779
392	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
393		781
394	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
397		785
398	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	788	Deliantra).
401		789
402	=over 4	790	=over 4
403		791
404	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
405		793
…		…
449	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
450		838
451	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
453		841
454	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
456		844
457	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
458		846
459	=over 4	847	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
569		957
570	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		962
575	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	964	my $pkg = shift @arg;
577		965
578	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
608	}	996	}
609		997
610	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
611	} else {	999	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	1001	}
614		1002
615	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
616	}	1004	}
617		1005
…		…
619	if (ref $_[0]) {	1007	if (ref $_[0]) {
620	_object_attach @_;	1008	_object_attach @_;
621	} else {	1009	} else {
622	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
623	}	1011	}
		1012	_recalc_want;
624	};	1013	};
625		1014
626	# all those should be optimised	1015	# all those should be optimised
627	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1021	reattach ($obj);
633	} else {	1022	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
635	}	1024	}
		1025	_recalc_want;
636	};	1026	};
637		1027
638	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
640		1030
…		…
655	";	1045	";
656	die if $@;	1046	die if $@;
657	}	1047	}
658		1048
659	our $override;	1049	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1051
662	sub override {	1052	sub override {
663	$override = 1;	1053	$override = 1;
664	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
665	}	1055	}
666		1056
667	sub do_invoke {	1057	sub do_invoke {
668	my $event = shift;	1058	my $event = shift;
669	my $callbacks = shift;	1059	my $callbacks = shift;
670		1060
671	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
672		1062
673	local $override;	1063	local $override;
674		1064
675	for (@$callbacks) {	1065	for (@$callbacks) {
676	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
685	}	1075	}
686		1076
687	0	1077	0
688	}	1078	}
689		1079
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1081
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1083
694	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
695		1085
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1089
700	=back	1090	=back
701		1091
702	=cut	1092	=cut
703		1093
704	#############################################################################	1094	#############################################################################
705	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
706		1138
707	sub reattach {	1139	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1141	my ($obj) = @_;
710		1142
		1143	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1145
713	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
714		1147
715	@$registry = ();	1148	@$registry = ();
716		1149
…		…
731	cf::attachable->attach (	1164	cf::attachable->attach (
732	prio => -1000000,	1165	prio => -1000000,
733	on_instantiate => sub {	1166	on_instantiate => sub {
734	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
735		1168
736	$data = from_json $data;	1169	$data = decode_json $data;
737		1170
738	for (@$data) {	1171	for (@$data) {
739	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
740		1173
741	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1190	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
759		1192
760	sync_job {	1193	sync_job {
761	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
764		1198
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
769	close $fh;	1206	aio_close $fh;
770		1207
771	if (@$objs) {	1208	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
777	close $fh;	1217	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
779	}	1219	}
780	} else {	1220	} else {
781	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
782	}	1222	}
783		1223
784	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1228	} else {
786	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
787	}	1230	}
788	} else {	1231	} else {
789	aio_unlink $filename;	1232	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
791	}	1234	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1235	};
799	}	1236	}
800		1237
801	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
803		1240
…		…
808		1245
809	sub object_thawer_load {	1246	sub object_thawer_load {
810	my ($filename) = @_;	1247	my ($filename) = @_;
811		1248
812	my ($data, $av);	1249	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1250
817	(aio_load $filename, $data) >= 0	1251	(aio_load $filename, $data) >= 0
818	or return;	1252	or return;
819		1253
820	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
822	or return;	1256	or return;
		1257
823	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
824	}	1260	}
825		1261
		1262	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
828	return ($data, $av);	1266	($data, $av)
829	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
830		1274
831	#############################################################################	1275	#############################################################################
832	# command handling &c	1276	# command handling &c
833		1277
834	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1292	}
849		1293
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1295
852	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
853		1301
854	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
855	called.	1303	called.
856		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
857	=cut	1316	=cut
858		1317
859	sub register_extcmd {	1318	sub register_extcmd {
860	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
861		1320
862	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
863	}	1322	}
864		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
865	cf::player->attach (	1332	cf::player->attach (
866	on_command => sub {	1333	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
868		1335
869	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
870	or return;	1337	or return;
871		1338
…		…
876	cf::override;	1343	cf::override;
877	},	1344	},
878	on_extcmd => sub {	1345	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
880		1347
881	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1349
883	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
889	} else {	1365	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1367	}
892		1368
893	cf::override;	1369	cf::override;
894	},	1370	},
895	);	1371	);
896		1372
		1373	# "readahead" all extensions
897	sub load_extension {	1374	sub cache_extensions {
898	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
899		1376
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1380	}
925	die $@;
926	}	1381	};
927		1382
928	push @EXTS, $pkg;	1383	$grp
929	}	1384	}
930		1385
931	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
932	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1391	next unless -r $path;
934	eval {	1392
935	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
936	1	1456	}
937	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
938	}	1467	};
939	}	1468	}
940		1469
941	#############################################################################	1470	#############################################################################
942		1471
		1472	=back
		1473
943	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
944		1475
945	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
946		1477
947	=cut	1478	=cut
948		1479
949	package cf::player;	1480	package cf::player;
950		1481
…		…
952		1483
953	=head3 cf::player	1484	=head3 cf::player
954		1485
955	=over 4	1486	=over 4
956		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
957	=item cf::player::find $login	1502	=item cf::player::find $login
958		1503
959	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
960		1505
961	=cut	1506	=cut
962		1507
963	sub playerdir($) {	1508	sub playerdir($) {
964	cf::localdir	1509	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1511	}
970		1512
971	sub path($) {	1513	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1515
974	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
975	}	1517	}
976		1518
977	sub find_active($) {	1519	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
982		1524
983	sub exists($) {	1525	sub exists($) {
984	my ($login) = @_;	1526	my ($login) = @_;
985		1527
986	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
988	}	1530	}
989		1531
990	sub find($) {	1532	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1534	my $login = $_[0];
993		1535
994	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
995		1537
996	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
998	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1000	}	1555	}
1001	}	1556	}
1002	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1003		1571
1004	sub save($) {	1572	sub save($) {
1005	my ($pl) = @_;	1573	my ($pl) = @_;
1006		1574
1007	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1013		1581
1014	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1016		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1017	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1018	Coro::cede;	1591	cf::cede_to_tick;
1019	}	1592	}
1020		1593
1021	sub new($) {	1594	sub new($) {
1022	my ($login) = @_;	1595	my ($login) = @_;
1023		1596
…		…
1029	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1030		1603
1031	$self	1604	$self
1032	}	1605	}
1033		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1034	=item $pl->quit_character	1617	=item $pl->quit_character
1035		1618
1036	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1038		1621
1039	=cut	1622	=cut
1040		1623
1041	sub quit_character {	1624	sub quit_character {
1042	my ($pl) = @_;	1625	my ($pl) = @_;
1043		1626
		1627	my $name = $pl->ob->name;
		1628
1044	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1631
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1051		1638
1052	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1057	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1058	}	1665	}
1059		1666
1060	=item cf::player::list_logins	1667	=item cf::player::list_logins
1061		1668
1062	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1064		1671
1065	=cut	1672	=cut
1066		1673
1067	sub list_logins {	1674	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1676	or return [];
1070		1677
1071	my @logins;	1678	my @logins;
1072		1679
1073	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1077		1690
1078	utf8::decode $login;	1691	utf8::decode $login;
1079	push @logins, $login;	1692	push @logins, $login;
1080	}	1693	}
1081		1694
…		…
1108	}	1721	}
1109		1722
1110	\@paths	1723	\@paths
1111	}	1724	}
1112		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1114		1731
1115	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1116		1733
1117	=cut	1734	=cut
1118		1735
1119	sub ext_reply($$$%) {	1736	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1121		1738
1122	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1740	}
1126		1741
1127	package cf;	1742	=item $player->ext_msg ($type, @msg)
		1743
		1744	Sends an ext event to the client.
		1745
		1746	=cut
		1747
		1748	sub ext_msg($$@) {
		1749	my ($self, $type, @msg) = @_;
		1750
		1751	$self->ns->ext_msg ($type, @msg);
		1752	}
		1753
		1754	=head3 cf::region
		1755
		1756	=over 4
		1757
		1758	=cut
		1759
		1760	package cf::region;
		1761
		1762	=item cf::region::find_by_path $path
		1763
		1764	Tries to decuce the likely region for a map knowing only its path.
		1765
		1766	=cut
		1767
		1768	sub find_by_path($) {
		1769	my ($path) = @_;
		1770
		1771	my ($match, $specificity);
		1772
		1773	for my $region (list) {
		1774	if ($region->{match} && $path =~ $region->{match}) {
		1775	($match, $specificity) = ($region, $region->specificity)
		1776	if $region->specificity > $specificity;
		1777	}
		1778	}
		1779
		1780	$match
		1781	}
1128		1782
1129	=back	1783	=back
1130
1131		1784
1132	=head3 cf::map	1785	=head3 cf::map
1133		1786
1134	=over 4	1787	=over 4
1135		1788
…		…
1147	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1149		1802
1150	sub generate_random_map {	1803	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1152	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1809	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1190	my ($self, $merge) = @_;	1846	my ($self, $merge) = @_;
1191		1847
1192	# we have to keep some variables in memory intact	1848	# we have to keep some variables in memory intact
1193	local $self->{path};	1849	local $self->{path};
1194	local $self->{load_path};	1850	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1851
1198	$self->SUPER::thawer_merge ($merge);	1852	$self->SUPER::thawer_merge ($merge);
1199	}	1853	}
1200		1854
1201	sub normalise {	1855	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1249	return $self;	1903	return $self;
1250	}	1904	}
1251	}	1905	}
1252		1906
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1908	()
1255	}	1909	}
1256		1910
1257	sub init {	1911	sub init {
1258	my ($self) = @_;	1912	my ($self) = @_;
…		…
1273		1927
1274	# the original (read-only) location	1928	# the original (read-only) location
1275	sub load_path {	1929	sub load_path {
1276	my ($self) = @_;	1930	my ($self) = @_;
1277		1931
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1932	"$MAPDIR/$self->{path}.map"
1279	}	1933	}
1280		1934
1281	# the temporary/swap location	1935	# the temporary/swap location
1282	sub save_path {	1936	sub save_path {
1283	my ($self) = @_;	1937	my ($self) = @_;
1284		1938
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1940	"$TMPDIR/$path.map"
1287	}	1941	}
1288		1942
1289	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1290	sub uniq_path {	1944	sub uniq_path {
1291	my ($self) = @_;	1945	my ($self) = @_;
1292		1946
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1948	"$UNIQUEDIR/$path"
1295	}	1949	}
1296		1950
1297	# and all this just because we cannot iterate over	1951	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1952	my ($self) = @_;
1301		1953
1302	$_->change_map_light ($change)	1954	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1955
		1956	$self->do_decay_objects;
1304	}	1957	}
1305		1958
1306	sub unlink_save {	1959	sub unlink_save {
1307	my ($self) = @_;	1960	my ($self) = @_;
1308		1961
1309	utf8::encode (my $save = $self->save_path);	1962	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1963	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1964	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1965	}
1318		1966
1319	sub load_header_from($) {	1967	sub load_header_from($) {
1320	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1321		1969
1322	utf8::encode $path;	1970	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1328		1979
1329	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1330		1981
1331	1	1982	1
1332	}	1983	}
…		…
1371	$self->load_header_orig	2022	$self->load_header_orig
1372	or return;	2023	or return;
1373	$self->prepare_orig;	2024	$self->prepare_orig;
1374	}	2025	}
1375		2026
		2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
		2029
		2030	$self->default_region (cf::region::find_by_path $self->{path})
		2031	unless $self->default_region;
		2032
1376	1	2033	1
1377	}	2034	}
1378		2035
1379	sub find;	2036	sub find;
1380	sub find {	2037	sub find {
1381	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1382		2039
1383	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1384		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2044
1387	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1390	or return;	2047	or return;
1391		2048
1392	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1393		2050
1394	$map->load_header	2051	$map->load_header
1395	or return;	2052	or return;
1396		2053
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1400	$map->reset;	2059	$map->reset;
1401	undef $guard;
1402	return find $path;	2060	return find $path;
1403	}	2061	}
1404		2062
1405	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1406	}	2064	}
1407	}	2065	}
1408		2066
1409	sub pre_load { }	2067	sub pre_load { }
1410	sub post_load { }	2068	#sub post_load { } # XS
1411		2069
1412	sub load {	2070	sub load {
1413	my ($self) = @_;	2071	my ($self) = @_;
1414		2072
1415	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1416		2074
1417	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1419		2079
		2080	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2082
1422	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1423		2084
1424	$self->alloc;	2085	$self->alloc;
1425		2086
1426	$self->pre_load;	2087	$self->pre_load;
		2088	cf::cede_to_tick;
1427		2089
1428	$self->_load_objects ($self->{load_path}, 1)	2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1429	or return;	2093	or return;
1430		2094
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1432	if delete $self->{load_original};	2096	if delete $self->{load_original};
1433		2097
1434	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2099	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2102	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1439	}	2106	}
1440	}	2107	}
1441		2108
1442	Coro::cede;	2109	$f->resolve_delayed_derefs;
1443		2110
		2111	cf::cede_to_tick;
1444	# now do the right thing for maps	2112	# now do the right thing for maps
1445	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2115	unless $self->difficulty;
1455	Coro::cede;	2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1456	$self->activate;	2123	$self->activate;
		2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2130	}
1458		2131
1459	$self->post_load;	2132	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2133	}
1463		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2138	sub customise_for {
1465	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1466		2140
1467	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2142	if $self->per_player;
1469		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1470	$self	2147	$self
1471	}	2148	}
1472		2149
1473	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2151	sub load_neighbours {
1475	my ($map) = @_;	2152	my ($map) = @_;
1476		2153
1477	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1478		2155
1479	for (0 .. 3) {	2156	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1481	or next;	2158	or next;
1482	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1483	or next;	2160	or next;
1484	$neigh->load;	2161	$neigh->load;
1485		2162
		2163	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2166	}
1489		2167
1490	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1492	or next;	2171	or next;
1493	$neigh->load;	2172	$neigh->load;
1494	}	2173	}
1495	}	2174	}
1496		2175
…		…
1501	}	2180	}
1502		2181
1503	sub do_load_sync {	2182	sub do_load_sync {
1504	my ($map) = @_;	2183	my ($map) = @_;
1505		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1506	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1507	}	2189	}
1508		2190
1509	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1511		2193
1512	sub find_async {	2194	sub find_async {
1513	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1514		2196
1515	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1516		2198
1517	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2201	}
1520		2202
1521	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1522	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1523	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2210	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2211	$map->load if $v;
		2212	}
1528		2213
1529	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1530	}	2215	}
1531	}	2216	}
1532	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1533	};	2218	};
1534	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1535		2220
1536	()	2221	()
1537	}	2222	}
1538		2223
		2224	# common code, used by both ->save and ->swapout
1539	sub save {	2225	sub _save {
1540	my ($self) = @_;	2226	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2227
1544	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1545		2229
1546	return unless $self->dirty;	2230	return unless $self->dirty;
1547		2231
…		…
1553	return if $self->{deny_save};	2237	return if $self->{deny_save};
1554		2238
1555	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1556		2240
1557	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1559	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1560		2247
1561	if ($uniq) {	2248	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2251	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2253	}
1567	}	2254	}
1568		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1569	sub swap_out {	2264	sub swap_out {
1570	my ($self) = @_;	2265	my ($self) = @_;
1571		2266
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1577	return if $self->players;	2271	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1581	$self->clear;	2282	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2283	}
1584		2284
1585	sub reset_at {	2285	sub reset_at {
1586	my ($self) = @_;	2286	my ($self) = @_;
1587		2287
1588	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1591		2290
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2293
…		…
1605	my ($self) = @_;	2304	my ($self) = @_;
1606		2305
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2307
1609	return if $self->players;	2308	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2309
1612	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
		2311
		2312	$self->in_memory (cf::MAP_SWAPPED);
		2313
		2314	# need to save uniques path
		2315	unless ($self->{deny_save}) {
		2316	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2317
		2318	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2319	if $uniq;
		2320	}
1613		2321
1614	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1615		2323
1616	$self->in_memory (cf::MAP_SWAPPED);	2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2326	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2327
1621	$self->unlink_save;	2328	$self->unlink_save;
1622	$self->destroy;	2329	$self->destroy;
1623	}	2330	}
1624		2331
1625	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1626		2333
1627	sub nuke {	2334	sub nuke {
1628	my ($self) = @_;	2335	my ($self) = @_;
1629		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1630	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1631		2341
1632	$self->unlink_save;	2342	$self->unlink_save;
1633		2343
1634	bless $self, "cf::map";	2344	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2349
1640	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1641		2352
1642	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
		2354	}
		2355
		2356	=item $maps = cf::map::tmp_maps
		2357
		2358	Returns an arrayref with all map paths of currently instantiated and saved
		2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
		2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
		2373
		2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1643	}	2390	}
1644		2391
1645	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1646		2393
1647	Returns an arrayref of paths of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2395	instantiated unique items. May block.
1649		2396
1650	=cut	2397	=cut
1651		2398
1652	sub unique_maps() {	2399	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2400	[
1654	or return;	2401	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2402	utf8::decode $_;
1660	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2405	? ()
1663	push @paths, cf::map::normalise $_;	2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2408	]
1665
1666	\@paths
1667	}	2409	}
1668		2410
1669	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1670		2442
1671	=back	2443	=back
1672		2444
1673	=head3 cf::object	2445	=head3 cf::object
1674		2446
…		…
1678		2450
1679	=over 4	2451	=over 4
1680		2452
1681	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1682		2454
1683	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1684		2457
1685	=cut	2458	=cut
1686		2459
1687	sub inv_recursive_;	2460	sub inv_recursive_;
1688	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1691		2464
1692	sub inv_recursive {	2465	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1694	}	2467	}
1695		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1696	package cf;	2497	package cf;
1697		2498
1698	=back	2499	=back
1699		2500
1700	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1706	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1708	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1709		2510
1710	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1711		2526
1712	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2528	# with dialog boxes.
1714	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1715	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1717		2532
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2534
1720	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1722	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1725	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1726	}	2560	}
1727		2561
1728	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1729		2563
1730	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1743		2577
1744	=item $player_object->enter_link	2578	=item $player_object->enter_link
1745		2579
1746	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1747		2581
1748	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1749	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1750		2586
1751	Will never block.	2587	Will never block.
1752		2588
1753	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1754		2590
…		…
1777	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1778		2614
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2616
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1783		2619
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1785	}	2621	}
1786		2622
1787	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1789		2627
1790	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1791		2629
1792	unless ($map) {	2630	unless ($map) {
1793	# restore original map position	2631	# restore original map position
…		…
1804	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1805	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1806		2644
1807	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1810		2648
1811	$map->load;	2649	$map->load;
1812	$map->load_diag;	2650	$map->load_neighbours;
1813		2651
1814	return unless $self->contr->active;	2652	return unless $self->contr->active;
		2653
		2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
1815	$self->activate_recursive;	2658	$self->activate_recursive;
1816	$self->enter_map ($map, $x, $y);
1817	}	2659	}
1818		2660
1819	cf::player->attach (	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2662
1823	# abort map switching before logout	2663	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2664	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2666	the new (success) or old (failed) map position. In either case, $done will
1827	};	2667	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2668
1833	# try to abort aborted map switching on player login :)	2669	Note that $check will be called with a potentially non-loaded map, so if
1834	# should happen only on crashes	2670	it needs a loaded map it has to call C<< ->load >>.
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2671
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1854		2675
1855	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
		2678
		2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2681
1858	$self->enter_link;	2682	$self->enter_link;
1859		2683
1860	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
1861	my $map = eval {	2706	my $map = eval {
1862	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
		2711	$map = $check->($map) if $check && $map;
		2712	} else {
		2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
		2715
1864	$map	2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2722	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1869	})->prio (1);	2730	})->prio (1);
1870	}	2731	}
1871		2732
1872	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1873		2734
…		…
1893	}	2754	}
1894		2755
1895	sub prepare_random_map {	2756	sub prepare_random_map {
1896	my ($exit) = @_;	2757	my ($exit) = @_;
1897		2758
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2761	# that depends on the exit object
1903		2762
1904	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2765	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
1911	}	2772	}
1912		2773
1913	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
1914		2775
1915	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
1918		2779
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2782	undef $fh;
1922	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
1923		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
1926	}	2791	}
1927	}	2792	}
1928		2793
1929	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
1931		2796
1932	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
1933		2798
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2799	$self->enter_link;
1944		2800
1945	(async {	2801	(async {
1946	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
1947	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
1948	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
1949		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
1950	1;	2825	1
1951	}) {	2826	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2831
1957	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2833	$self->leave_link;
1959	}	2834	}
1960	})->prio (1);	2835	})->prio (1);
…		…
1973		2848
1974	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
1976		2851
1977	utf8::encode $text;	2852	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2854	}
1980		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
		3043	=item $client->ext_msg ($type, @msg)
		3044
		3045	Sends an ext event to the client.
		3046
		3047	=cut
		3048
		3049	sub cf::client::ext_msg($$@) {
		3050	my ($self, $type, @msg) = @_;
		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
		3055	push @msg, msgtype => "event_$type";
		3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
		3076	}
1981		3077
1982	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
1983		3079
1984	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		3083
1988	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	3085	become reliable at some point in the future.
1990		3086
1991	=cut	3087	=cut
1992		3088
1993	sub cf::client::query {	3089	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	3098	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		3100
2005	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
2007	}	3105	}
2008		3106
2009	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
2010	on_reply => sub {	3113	on_reply => sub {
2011	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
2012		3115
2013	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
2014	# get handled first	3117	# get handled first
…		…
2026	} else {	3129	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	3131	}
2029	}	3132	}
2030	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
2031	);	3160	);
2032		3161
2033	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
2034		3163
2035	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
2051		3180
2052	$coro	3181	$coro
2053	}	3182	}
2054		3183
2055	cf::client->attach (	3184	cf::client->attach (
2056	on_destroy => sub {	3185	on_client_destroy => sub {
2057	my ($ns) = @_;	3186	my ($ns) = @_;
2058		3187
2059	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2060	},	3189	},
2061	);	3190	);
…		…
2076	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2078		3207
2079	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2080		3209
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2082		3215
2083	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2084		3217
2085	=pod	3218	=pod
2086		3219
2087	The following fucntions and emthods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2088		3221
2089	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2090	cf::object::player player	3227	cf::object::player
2091	cf::player peaceful	3228	player
2092	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2093		3235
2094	=cut	3236	=cut
2095		3237
2096	for (	3238	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2098	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2100	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2101	) {	3245	) {
2102	no strict 'refs';	3246	no strict 'refs';
2103	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2122		3266
2123	my $qcode = $code;	3267	my $qcode = $code;
2124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2125	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2126		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2127	local $_;	3274	local $_;
2128	local @safe::cf::_safe_eval_args = values %vars;
2129		3275
2130	my $eval =	3276	my $eval =
2131	"do {\n"	3277	"do {\n"
2132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2133	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2134	. $code	3280	. $code
2135	. "\n}"	3281	. "\n}"
2136	;	3282	;
2137		3283
		3284	if ($CFG{safe_eval}) {
2138	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2140	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2141		3293
2142	if ($@) {	3294	if ($@) {
2143	warn "$@";	3295	warn "$@";
2144	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2145	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2164	=cut	3316	=cut
2165		3317
2166	sub register_script_function {	3318	sub register_script_function {
2167	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2168		3320
2169	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2171	}	3323	}
2172		3324
2173	=back	3325	=back
2174		3326
2175	=cut	3327	=cut
2176
2177	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};
2215
2216	my $path = cf::localdir . "/database.pst";
2217	if (stat $path) {
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220
2221	cf::db_put (board => data => $pst->{board});
2222	cf::db_put (guildrules => data => $pst->{guildrules});
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225
2226	unlink $path;
2227	};
2228	}
2229	}
2230
2231	sub db_get($$) {
2232	my $key = "$_[0]/$_[1]";
2233
2234	cf::sync_job {
2235	BDB::db_get $DB, undef, $key, my $data;
2236
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}
2240	}
2241
2242	sub db_put($$$) {
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246		3328
2247	#############################################################################	3329	#############################################################################
2248	# the server's init and main functions	3330	# the server's init and main functions
2249		3331
		3332	sub load_facedata($) {
		3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3340
		3341	warn "loading facedata from $path\n";
		3342
		3343	my $facedata;
		3344	0 < aio_load $path, $facedata
		3345	or die "$path: $!";
		3346
		3347	$facedata = Coro::Storable::thaw $facedata;
		3348
		3349	$facedata->{version} == 2
		3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
		3361	{
		3362	my $faces = $facedata->{faceinfo};
		3363
		3364	while (my ($face, $info) = each %$faces) {
		3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
		3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
		3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3371
		3372	cf::cede_to_tick;
		3373	}
		3374
		3375	while (my ($face, $info) = each %$faces) {
		3376	next unless $info->{smooth};
		3377
		3378	my $idx = cf::face::find $face
		3379	or next;
		3380
		3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
		3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3384	} else {
		3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3386	}
		3387
		3388	cf::cede_to_tick;
		3389	}
		3390	}
		3391
		3392	{
		3393	my $anims = $facedata->{animinfo};
		3394
		3395	while (my ($anim, $info) = each %$anims) {
		3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3397	cf::cede_to_tick;
		3398	}
		3399
		3400	cf::anim::invalidate_all; # d'oh
		3401	}
		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
		3422	1
		3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
2250	sub load_resources {	3453	sub load_resource_file($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3469	or die "unable to load regions file\n";
2253	}
2254		3470
2255	sub cfg_load {	3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_resources {
		3493	warn "reloading resource files...\n";
		3494
		3495	reload_facedata;
		3496	reload_archetypes;
		3497	reload_regions;
		3498	reload_treasures;
		3499
		3500	warn "finished reloading resource files\n";
		3501	}
		3502
		3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3507	or return;
2258		3508
2259	local $/;	3509	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2261		3511
2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2263		3513
2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	3521	};
2272	warn $@ if $@;	3522	warn $@ if $@;
2273	}	3523	}
2274	}
2275		3524
2276	sub init {	3525	warn "finished reloading resource files\n";
2277	load_resources;	3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2278	}	3554	}
2279		3555
2280	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2281	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284	(async {	3569	(async {
2285	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2287	};	3573	};
2288		3574
2289	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
		3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2290	load_extensions;	3598	load_extensions;
2291		3599
2292	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2293	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2294	}	3613	}
2295		3614
2296	#############################################################################	3615	#############################################################################
2297	# initialisation and cleanup	3616	# initialisation and cleanup
2298		3617
2299	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2300	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2309	},
2310	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2311	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2312	}	3714	}
2313		3715
2314	sub emergency_save() {	3716	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2316		3718
2317	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2318		3720
2319	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2320	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3735	$pl->save;
2328	}	3736	}
2329	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2330		3738
2331	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3742	$map->valid or next;
2335	$map->save;	3743	$map->save;
2336	}	3744	}
2337	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2338		3746
2339	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2342	};	3754	};
2343		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2344	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2345	}	3762	}
2346		3763
		3764	sub post_cleanup {
		3765	my ($make_core) = @_;
		3766
		3767	warn Carp::longmess "post_cleanup backtrace"
		3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
		3797	}
		3798
2347	sub reload() {	3799	sub do_reload_perl() {
2348	# can/must only be called in main	3800	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2350	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2351	return;	3803	return;
2352	}	3804	}
2353		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2354	warn "reloading...";	3811	warn "reloading...";
2355		3812
2356	warn "cancelling server ticker";	3813	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3814
		3815	cf::sync_job {
		3816	cf::write_runtime_sync; # external watchdog should not bark
2359	cf::emergency_save;	3817	cf::emergency_save;
		3818	cf::write_runtime_sync; # external watchdog should not bark
2360		3819
2361	eval {	3820	warn "syncing database to disk";
		3821	BDB::db_env_txn_checkpoint $DB_ENV;
		3822
2362	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2363		3824
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2373	for (;;) {
2374	BDB::flush;
2375	IO::AIO::flush;
2376	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2378	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2379	}
2380
2381	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();
2384
2385	warn "removing commands";
2386	%COMMAND = ();
2387
2388	warn "removing ext commands";
2389	%EXTCMD = ();
2390
2391	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";
2394
2395	if (my $cb = $pkg->can ("unload")) {
2396	eval {
2397	$cb->($pkg);
2398	1
2399	} or warn "$pkg unloaded, but with errors: $@";
2400	}	3828	}
2401		3829
2402	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2403	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2404	}	3832	%EXT_CORO = ();
2405		3833
2406	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2407	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2409		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2410	warn "... unloading $k";	3843	warn "... unloading $pkg";
2411	delete $INC{$k};
2412		3844
2413	$k =~ s/\.pm$//;
2414	$k =~ s/\//::/g;
2415
2416	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2417	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2418	}	3854	}
2419		3855
2420	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2421	}	3871	}
2422		3872
2423	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2424	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3876
2427	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
		3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2429		3880
2430	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3882	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2433		3884
2434	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2435		3886
2436	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2437	require cf;	3888	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2439		3890
2440	warn "loading config and database again";	3891	warn "loading config and database again";
2441	cf::cfg_load;	3892	cf::reload_config;
2442		3893
2443	warn "loading extensions";	3894	warn "loading extensions";
2444	cf::load_extensions;	3895	cf::load_extensions;
2445		3896
		3897	if ($REATTACH_ON_RELOAD) {
2446	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3899	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
		3902	warn "reattaching attachments to players";
		3903	reattach $_ for values %PLAYER;
		3904	}
2450		3905
2451	warn "loading reloadable resources";	3906	warn "running post_init jobs";
2452	load_resources;	3907	(pop @POST_INIT)->(1) while @POST_INIT;
2453		3908
2454	warn "restarting server ticker";	3909	warn "leaving sync_job";
2455		3910
2456	$TICK_WATCHER->start;	3911	1
		3912	} or do {
		3913	warn $@;
		3914	cf::cleanup "error while reloading, exiting.";
		3915	};
		3916
		3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
		3923	};
		3924
		3925	our $RELOAD_WATCHER; # used only during reload
		3926
		3927	sub reload_perl() {
		3928	# doing reload synchronously and two reloads happen back-to-back,
		3929	# coro crashes during coro_state_free->destroy here.
		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
		3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3935	do_reload_perl;
		3936	undef $RELOAD_WATCHER;
		3937	};
2457	};	3938	};
2458		3939	}
2459	if ($@) {
2460	warn $@;
2461	warn "error while reloading, exiting.";
2462	exit 1;
2463	}
2464
2465	warn "reloaded";
2466	};
2467
2468	our $RELOAD_WATCHER; # used only during reload
2469		3940
2470	register_command "reload" => sub {	3941	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2472		3943
2473	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
2475		3946	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3947	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3948	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3949	};
2488	}	3950	}
2489	};	3951	};
2490		3952
2491	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2492		3954
2493	my $bug_warning = 0;	3955	my $bug_warning = 0;
2494		3956
2495	$TICK_WATCHER = Event->timer (	3957	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3958	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3959
2498	prio => 0,	3960	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2500	data => WF_AUTOCANCEL,	3962
2501	cb => sub {	3963	my $signal = new Coro::Signal;
		3964	push @WAIT_FOR_TICK, $signal;
		3965	$signal->wait;
		3966	}
		3967
		3968	sub wait_for_tick_begin {
		3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3970
		3971	my $signal = new Coro::Signal;
		3972	push @WAIT_FOR_TICK_BEGIN, $signal;
		3973	$signal->wait;
		3974	}
		3975
		3976	sub tick {
2502	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
2505	return;	3980	return;
2506	}	3981	}
2507		3982
2508	$NOW = Event::time;
2509
2510	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2511	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;
2513		3984
2514	$WAIT_FOR_TICK->broadcast;	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2516		3986
2517	Event::sweep;	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2518	Coro::cede_notself;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3989	Coro::async_pool {
		3990	$Coro::current->{desc} = "runtime saver";
		3991	write_runtime_sync
		3992	or warn "ERROR: unable to write runtime file: $!";
		3993	};
		3994	}
		3995
		3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3997	$sig->send;
		3998	}
		3999	while (my $sig = shift @WAIT_FOR_TICK) {
		4000	$sig->send;
		4001	}
		4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
2519		4011	}
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	4012	}
2529	);	4013	}
2530		4014
2531	{	4015	{
2532	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	4017
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
2542		4019	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		4021
2558	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
2559	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560		4029
2561	cf::sync_job {	4030	cf::sync_job {
2562	eval {	4031	eval {
2563	BDB::db_env_open	4032	BDB::db_env_open
2564	$DB_ENV,	4033	$DB_ENV,
2565	$BDB_ENV_DIR,	4034	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	4037	0666;
2569		4038
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	4040	};
2575		4041
2576	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	4043	};
2578	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
2579	}	4055	}
2580		4056
2581	{	4057	{
		4058	# configure IO::AIO
		4059
2582	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	4063	}
2595		4064
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	4065	my $_log_backtrace;
2597	reentrant => 0,	4066
2598	data => WF_AUTOCANCEL,	4067	sub _log_backtrace {
2599	after => 1,	4068	my ($msg, @addr) = @_;
2600	interval => 10,	4069
2601	prio => 6, # keep it lowest so it acts like a watchdog	4070	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	4071
2603	write_runtime	4072	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	4104	}
2606	);	4105	}
		4106
		4107	# load additional modules
		4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2607		4110
2608	END { cf::emergency_save }	4111	END { cf::emergency_save }
2609		4112
2610	1	4113	1
2611		4114

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