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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		575
363	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		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.
364		580
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
366	or return;
367		582
368	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		585
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
373	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
374		589
375	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	591	reset_signals;
377	and return;	592	&$cb
		593	}, @args;
378		594
379	close $fh	595	wantarray ? @res : $res[-1]
380	or return;	596	}
381		597
382	aio_rename "$runtime~", $runtime	598	sub objinfo {
383	and return;
384
385	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 });
386	}	772	}
387		773
388	=back	774	=back
389		775
390	=cut	776	=cut
391		777
392	#############################################################################	778	#############################################################################
393		779
394	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
395		781
396	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
397	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")
398	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
399		785
400	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>
401	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
402	crossfire+).	788	Deliantra).
403		789
404	=over 4	790	=over 4
405		791
406	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
407		793
…		…
451	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
452		838
453	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
455		841
456	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		844
459	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
460		846
461	=over 4	847	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
571		957
572	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		962
577	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	964	my $pkg = shift @arg;
579		965
580	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
610	}	996	}
611		997
612	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
613	} else {	999	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	1001	}
616		1002
617	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
618	}	1004	}
619		1005
…		…
621	if (ref $_[0]) {	1007	if (ref $_[0]) {
622	_object_attach @_;	1008	_object_attach @_;
623	} else {	1009	} else {
624	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
625	}	1011	}
		1012	_recalc_want;
626	};	1013	};
627		1014
628	# all those should be optimised	1015	# all those should be optimised
629	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
634	reattach ($obj);	1021	reattach ($obj);
635	} else {	1022	} else {
636	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
637	}	1024	}
		1025	_recalc_want;
638	};	1026	};
639		1027
640	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
642		1030
…		…
657	";	1045	";
658	die if $@;	1046	die if $@;
659	}	1047	}
660		1048
661	our $override;	1049	our $override;
662	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?
663		1051
664	sub override {	1052	sub override {
665	$override = 1;	1053	$override = 1;
666	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
667	}	1055	}
668		1056
669	sub do_invoke {	1057	sub do_invoke {
670	my $event = shift;	1058	my $event = shift;
671	my $callbacks = shift;	1059	my $callbacks = shift;
672		1060
673	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
674		1062
675	local $override;	1063	local $override;
676		1064
677	for (@$callbacks) {	1065	for (@$callbacks) {
678	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
687	}	1075	}
688		1076
689	0	1077	0
690	}	1078	}
691		1079
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1081
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1083
696	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
697		1085
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1089
702	=back	1090	=back
703		1091
704	=cut	1092	=cut
705		1093
706	#############################################################################	1094	#############################################################################
707	# 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, $ob2
		1137	}
708		1138
709	sub reattach {	1139	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1141	my ($obj) = @_;
712		1142
		1143	# no longer needed after getting rid of delete_package?
713	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
714		1145
715	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
716		1147
717	@$registry = ();	1148	@$registry = ();
718		1149
…		…
733	cf::attachable->attach (	1164	cf::attachable->attach (
734	prio => -1000000,	1165	prio => -1000000,
735	on_instantiate => sub {	1166	on_instantiate => sub {
736	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
737		1168
738	$data = from_json $data;	1169	$data = decode_json $data;
739		1170
740	for (@$data) {	1171	for (@$data) {
741	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
742		1173
743	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1190	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
761		1192
762	sync_job {	1193	sync_job {
763	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
766		1198
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	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	}
771	close $fh;	1206	aio_close $fh;
772		1207
773	if (@$objs) {	1208	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
778	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	}
779	close $fh;	1217	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
781	}	1219	}
782	} else {	1220	} else {
783	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
784	}	1222	}
785		1223
786	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1228	} else {
788	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
789	}	1230	}
790	} else {	1231	} else {
791	aio_unlink $filename;	1232	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
793	}	1234	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1235	};
801	}	1236	}
802		1237
803	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
805		1240
…		…
810		1245
811	sub object_thawer_load {	1246	sub object_thawer_load {
812	my ($filename) = @_;	1247	my ($filename) = @_;
813		1248
814	my ($data, $av);	1249	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1250
819	(aio_load $filename, $data) >= 0	1251	(aio_load $filename, $data) >= 0
820	or return;	1252	or return;
821		1253
822	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
824	or return;	1256	or return;
		1257
825	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
826	}	1260	}
827		1261
		1262	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
830	return ($data, $av);	1266	($data, $av)
831	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
832		1274
833	#############################################################################	1275	#############################################################################
834	# command handling &c	1276	# command handling &c
835		1277
836	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1292	}
851		1293
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1295
854	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.
855		1301
856	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
857	called.	1303	called.
858		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
859	=cut	1316	=cut
860		1317
861	sub register_extcmd {	1318	sub register_extcmd {
862	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
863		1320
864	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
865	}	1322	}
866		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
867	cf::player->attach (	1332	cf::player->attach (
868	on_command => sub {	1333	on_unknown_command => sub {
869	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
870		1335
871	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
872	or return;	1337	or return;
873		1338
…		…
878	cf::override;	1343	cf::override;
879	},	1344	},
880	on_extcmd => sub {	1345	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
882		1347
883	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1349
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
891	} else {	1365	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1367	}
894		1368
895	cf::override;	1369	cf::override;
896	},	1370	},
897	);	1371	);
898		1372
		1373	# "readahead" all extensions
899	sub load_extension {	1374	sub cache_extensions {
900	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
901		1376
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1380	}
927	die $@;
928	}	1381	};
929		1382
930	push @EXTS, $pkg;	1383	$grp
931	}	1384	}
932		1385
933	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
934	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1391	next unless -r $path;
936	eval {	1392
937	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 $active;
		1455	}
938	1	1456	}
939	} or warn "$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	}
940	}	1467	};
941	}	1468	}
942		1469
943	#############################################################################	1470	#############################################################################
944		1471
		1472	=back
		1473
945	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
946		1475
947	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
948		1477
949	=cut	1478	=cut
950		1479
951	package cf::player;	1480	package cf::player;
952		1481
…		…
954		1483
955	=head3 cf::player	1484	=head3 cf::player
956		1485
957	=over 4	1486	=over 4
958		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
959	=item cf::player::find $login	1502	=item cf::player::find $login
960		1503
961	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
962		1505
963	=cut	1506	=cut
964		1507
965	sub playerdir($) {	1508	sub playerdir($) {
966	cf::localdir	1509	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1511	}
972		1512
973	sub path($) {	1513	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1515
976	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
977	}	1517	}
978		1518
979	sub find_active($) {	1519	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
984		1524
985	sub exists($) {	1525	sub exists($) {
986	my ($login) = @_;	1526	my ($login) = @_;
987		1527
988	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
990	}	1530	}
991		1531
992	sub find($) {	1532	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1534	my $login = $_[0];
995		1535
996	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
997		1537
998	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1002	}	1555	}
1003	}	1556	}
1004	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1005		1571
1006	sub save($) {	1572	sub save($) {
1007	my ($pl) = @_;	1573	my ($pl) = @_;
1008		1574
1009	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1014	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1015		1581
1016	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1018		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
1019	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1020	Coro::cede;	1591	cf::cede_to_tick;
1021	}	1592	}
1022		1593
1023	sub new($) {	1594	sub new($) {
1024	my ($login) = @_;	1595	my ($login) = @_;
1025		1596
…		…
1031	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1032		1603
1033	$self	1604	$self
1034	}	1605	}
1035		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
1036	=item $pl->quit_character	1617	=item $pl->quit_character
1037		1618
1038	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1040		1621
1041	=cut	1622	=cut
1042		1623
1043	sub quit_character {	1624	sub quit_character {
1044	my ($pl) = @_;	1625	my ($pl) = @_;
1045		1626
		1627	my $name = $pl->ob->name;
		1628
1046	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1047	$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
1048		1631
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1053		1638
1054	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1665	}
1061		1666
1062	=item cf::player::list_logins	1667	=item cf::player::list_logins
1063		1668
1064	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
1065	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1066		1671
1067	=cut	1672	=cut
1068		1673
1069	sub list_logins {	1674	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1676	or return [];
1072		1677
1073	my @logins;	1678	my @logins;
1074		1679
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1079		1690
1080	utf8::decode $login;	1691	utf8::decode $login;
1081	push @logins, $login;	1692	push @logins, $login;
1082	}	1693	}
1083		1694
1084	\@logins	1695	\@logins
1085	}	1696	}
1086		1697
1087	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1088		1701
1089	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1090	player. May block.	1703	player. May block.
1091		1704
1092	=cut	1705	=cut
…		…
1110	}	1723	}
1111		1724
1112	\@paths	1725	\@paths
1113	}	1726	}
1114		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1116		1733
1117	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1118		1735
1119	=cut	1736	=cut
1120		1737
1121	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1123		1740
1124	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1742	}
1128		1743
1129	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1130		1786
1131	=back	1787	=back
1132
1133		1788
1134	=head3 cf::map	1789	=head3 cf::map
1135		1790
1136	=over 4	1791	=over 4
1137		1792
…		…
1149	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1151		1806
1152	sub generate_random_map {	1807	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1154	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1813	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1160	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1192	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1193		1851
1194	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1195	local $self->{path};	1853	local $self->{path};
1196	local $self->{load_path};	1854	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1855
1200	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1201	}	1857	}
1202		1858
1203	sub normalise {	1859	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1251	return $self;	1907	return $self;
1252	}	1908	}
1253	}	1909	}
1254		1910
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1912	()
1257	}	1913	}
1258		1914
1259	sub init {	1915	sub init {
1260	my ($self) = @_;	1916	my ($self) = @_;
…		…
1275		1931
1276	# the original (read-only) location	1932	# the original (read-only) location
1277	sub load_path {	1933	sub load_path {
1278	my ($self) = @_;	1934	my ($self) = @_;
1279		1935
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1281	}	1937	}
1282		1938
1283	# the temporary/swap location	1939	# the temporary/swap location
1284	sub save_path {	1940	sub save_path {
1285	my ($self) = @_;	1941	my ($self) = @_;
1286		1942
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1289	}	1945	}
1290		1946
1291	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1292	sub uniq_path {	1948	sub uniq_path {
1293	my ($self) = @_;	1949	my ($self) = @_;
1294		1950
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1297	}	1953	}
1298		1954
1299	# and all this just because we cannot iterate over	1955	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	1956	my ($self) = @_;
1303		1957
1304	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1306	}	1961	}
1307		1962
1308	sub unlink_save {	1963	sub unlink_save {
1309	my ($self) = @_;	1964	my ($self) = @_;
1310		1965
1311	utf8::encode (my $save = $self->save_path);	1966	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1969	}
1320		1970
1321	sub load_header_from($) {	1971	sub load_header_from($) {
1322	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1323		1973
1324	utf8::encode $path;	1974	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1330		1983
1331	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1332		1985
1333	1	1986	1
1334	}	1987	}
…		…
1373	$self->load_header_orig	2026	$self->load_header_orig
1374	or return;	2027	or return;
1375	$self->prepare_orig;	2028	$self->prepare_orig;
1376	}	2029	}
1377		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
		2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
1378	1	2037	1
1379	}	2038	}
1380		2039
1381	sub find;	2040	sub find;
1382	sub find {	2041	sub find {
1383	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1384		2043
1385	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1386		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1388		2048
1389	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1392	or return;	2051	or return;
1393		2052
1394	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1395		2054
1396	$map->load_header	2055	$map->load_header
1397	or return;	2056	or return;
1398		2057
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1402	$map->reset;	2063	$map->reset;
1403	undef $guard;
1404	return find $path;	2064	return find $path;
1405	}	2065	}
1406		2066
1407	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1408	}	2068	}
1409	}	2069	}
1410		2070
1411	sub pre_load { }	2071	sub pre_load { }
1412	sub post_load { }	2072	#sub post_load { } # XS
1413		2073
1414	sub load {	2074	sub load {
1415	my ($self) = @_;	2075	my ($self) = @_;
1416		2076
1417	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1418		2078
1419	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1421		2083
		2084	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2086
1424	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1425		2088
1426	$self->alloc;	2089	$self->alloc;
1427		2090
1428	$self->pre_load;	2091	$self->pre_load;
		2092	cf::cede_to_tick;
1429		2093
1430	$self->_load_objects ($self->{load_path}, 1)	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1431	or return;	2097	or return;
1432		2098
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1434	if delete $self->{load_original};	2100	if delete $self->{load_original};
1435		2101
1436	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2103	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2106	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1441	}	2110	}
1442	}	2111	}
1443		2112
1444	Coro::cede;	2113	$f->resolve_delayed_derefs;
1445		2114
		2115	cf::cede_to_tick;
1446	# now do the right thing for maps	2116	# now do the right thing for maps
1447	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2119	unless $self->difficulty;
1457	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1458	$self->activate;	2127	$self->activate;
		2128	}
		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
		2133	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2134	}
1460		2135
1461	$self->post_load;	2136	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2137	}
1465		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1466	sub customise_for {	2142	sub customise_for {
1467	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1468		2144
1469	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2146	if $self->per_player;
1471		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1472	$self	2151	$self
1473	}	2152	}
1474		2153
1475	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2155	sub load_neighbours {
1477	my ($map) = @_;	2156	my ($map) = @_;
1478		2157
1479	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1480		2159
1481	for (0 .. 3) {	2160	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1483	or next;	2162	or next;
1484	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1485	or next;	2164	or next;
1486	$neigh->load;	2165	$neigh->load;
1487		2166
		2167	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2170	}
1491		2171
1492	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1494	or next;	2175	or next;
1495	$neigh->load;	2176	$neigh->load;
1496	}	2177	}
1497	}	2178	}
1498		2179
…		…
1503	}	2184	}
1504		2185
1505	sub do_load_sync {	2186	sub do_load_sync {
1506	my ($map) = @_;	2187	my ($map) = @_;
1507		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1508	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1509	}	2193	}
1510		2194
1511	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1513		2197
1514	sub find_async {	2198	sub find_async {
1515	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1516		2200
1517	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1518		2202
1519	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2205	}
1522		2206
1523	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1524	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1525	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2214	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2215	$map->load if $v;
		2216	}
1530		2217
1531	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1532	}	2219	}
1533	}	2220	}
1534	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1535	};	2222	};
1536	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1537		2224
1538	()	2225	()
1539	}	2226	}
1540		2227
		2228	# common code, used by both ->save and ->swapout
1541	sub save {	2229	sub _save {
1542	my ($self) = @_;	2230	my ($self) = @_;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1545		2231
1546	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1547		2233
1548	return unless $self->dirty;	2234	return unless $self->dirty;
1549		2235
…		…
1555	return if $self->{deny_save};	2241	return if $self->{deny_save};
1556		2242
1557	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1558		2244
1559	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1561	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1562		2251
1563	if ($uniq) {	2252	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2255	} else {
1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1568	}	2257	}
1569	}	2258	}
1570		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1571	sub swap_out {	2268	sub swap_out {
1572	my ($self) = @_;	2269	my ($self) = @_;
1573		2270
1574	# save first because save cedes
1575	$self->save;
1576
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1579	return if $self->players;	2275	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};
1582		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1583	$self->clear;	2286	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2287	}
1586		2288
1587	sub reset_at {	2289	sub reset_at {
1588	my ($self) = @_;	2290	my ($self) = @_;
1589		2291
1590	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1593		2294
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2297
…		…
1607	my ($self) = @_;	2308	my ($self) = @_;
1608		2309
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2311
1611	return if $self->players;	2312	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2313
1614	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1615		2315
1616	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1617		2317
1618	# need to save uniques path	2318	# need to save uniques path
1619	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2323	if $uniq;
1624	}	2324	}
1625		2325
1626	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1627		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2330	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2331
1632	$self->unlink_save;	2332	$self->unlink_save;
1633	$self->destroy;	2333	$self->destroy;
1634	}	2334	}
1635		2335
1636	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1637		2337
1638	sub nuke {	2338	sub nuke {
1639	my ($self) = @_;	2339	my ($self) = @_;
1640		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1641	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1642		2345
1643	$self->unlink_save;	2346	$self->unlink_save;
1644		2347
1645	bless $self, "cf::map";	2348	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2353
1651	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1652		2356
1653	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1654	}	2394	}
1655		2395
1656	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1657		2397
1658	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2399	instantiated unique items. May block.
1660		2400
1661	=cut	2401	=cut
1662		2402
1663	sub unique_maps() {	2403	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1665	or return;	2405	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2406	utf8::decode $_;
1671	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2409	? ()
1674	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2412	]
1676
1677	\@paths
1678	}	2413	}
1679		2414
1680	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1681		2446
1682	=back	2447	=back
1683		2448
1684	=head3 cf::object	2449	=head3 cf::object
1685		2450
…		…
1689		2454
1690	=over 4	2455	=over 4
1691		2456
1692	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1693		2458
1694	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1695		2461
1696	=cut	2462	=cut
1697		2463
1698	sub inv_recursive_;	2464	sub inv_recursive_;
1699	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1702		2468
1703	sub inv_recursive {	2469	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1705	}	2471	}
1706		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1707	package cf;	2501	package cf;
1708		2502
1709	=back	2503	=back
1710		2504
1711	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1720		2514
1721	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1722		2530
1723	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2532	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1728		2536
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2538
1731	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1733	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1736	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1737	}	2564	}
1738		2565
1739	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1740		2567
1741	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1754		2581
1755	=item $player_object->enter_link	2582	=item $player_object->enter_link
1756		2583
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2585
1759	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1761		2590
1762	Will never block.	2591	Will never block.
1763		2592
1764	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1765		2594
…		…
1788	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1789		2618
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2620
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1794		2623
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1796	}	2625	}
1797		2626
1798	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1800		2631
1801	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1802		2633
1803	unless ($map) {	2634	unless ($map) {
1804	# restore original map position	2635	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1817		2648
1818	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1821		2652
1822	$map->load;	2653	$map->load;
1823	$map->load_diag;	2654	$map->load_neighbours;
1824		2655
1825	return unless $self->contr->active;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2662	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}	2663	}
1829		2664
1830	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2666
1834	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1838	};	2671	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2672
1844	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2675
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1865		2679
1866	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2685
1869	$self->enter_link;	2686	$self->enter_link;
1870		2687
1871	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1872	my $map = eval {	2710	my $map = eval {
1873	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1875	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2726	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1880	})->prio (1);	2734	})->prio (1);
1881	}	2735	}
1882		2736
1883	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1884		2738
…		…
1904	}	2758	}
1905		2759
1906	sub prepare_random_map {	2760	sub prepare_random_map {
1907	my ($exit) = @_;	2761	my ($exit) = @_;
1908		2762
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2765	# that depends on the exit object
1914		2766
1915	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2769	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1922	}	2776	}
1923		2777
1924	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1925		2779
1926	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
1929		2783
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2786	undef $fh;
1933	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
1934		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1937	}	2795	}
1938	}	2796	}
1939		2797
1940	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
1942		2800
1943	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1944		2802
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2803	$self->enter_link;
1955		2804
1956	(async {	2805	(async {
1957	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1958	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
1959	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
1960		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
1961	1;	2829	1
1962	}) {	2830	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2835
1968	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2837	$self->leave_link;
1970	}	2838	}
1971	})->prio (1);	2839	})->prio (1);
…		…
1984		2852
1985	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1987		2855
1988	utf8::encode $text;	2856	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2858	}
1991		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
		3047	=item $client->ext_msg ($type, @msg)
		3048
		3049	Sends an ext event to the client.
		3050
		3051	=cut
		3052
		3053	sub cf::client::ext_msg($$@) {
		3054	my ($self, $type, @msg) = @_;
		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
		3059	push @msg, msgtype => "event_$type";
		3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
		3080	}
1992		3081
1993	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1994		3083
1995	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3087
1999	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3089	become reliable at some point in the future.
2001		3090
2002	=cut	3091	=cut
2003		3092
2004	sub cf::client::query {	3093	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3102	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3104
2016	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2018	}	3109	}
2019		3110
2020	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2021	on_reply => sub {	3117	on_reply => sub {
2022	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2023		3119
2024	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2025	# get handled first	3121	# get handled first
…		…
2037	} else {	3133	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3135	}
2040	}	3136	}
2041	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2042	);	3164	);
2043		3165
2044	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2045		3167
2046	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3184
2063	$coro	3185	$coro
2064	}	3186	}
2065		3187
2066	cf::client->attach (	3188	cf::client->attach (
2067	on_destroy => sub {	3189	on_client_destroy => sub {
2068	my ($ns) = @_;	3190	my ($ns) = @_;
2069		3191
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3193	},
2072	);	3194	);
…		…
2087	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2089		3211
2090	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2091		3213
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2093		3219
2094	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2095		3221
2096	=pod	3222	=pod
2097		3223
2098	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2099		3225
2100	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2101	cf::object::player player	3231	cf::object::player
2102	cf::player peaceful	3232	player
2103	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2104		3239
2105	=cut	3240	=cut
2106		3241
2107	for (	3242	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2112	) {	3249	) {
2113	no strict 'refs';	3250	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2133		3270
2134	my $qcode = $code;	3271	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2137		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2138	local $_;	3278	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3279
2141	my $eval =	3280	my $eval =
2142	"do {\n"	3281	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3284	. $code
2146	. "\n}"	3285	. "\n}"
2147	;	3286	;
2148		3287
		3288	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2152		3297
2153	if ($@) {	3298	if ($@) {
2154	warn "$@";	3299	warn "$@";
2155	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2156	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2175	=cut	3320	=cut
2176		3321
2177	sub register_script_function {	3322	sub register_script_function {
2178	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2179		3324
2180	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2182	}	3327	}
2183		3328
2184	=back	3329	=back
2185		3330
2186	=cut	3331	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3332
2260	#############################################################################	3333	#############################################################################
2261	# the server's init and main functions	3334	# the server's init and main functions
2262		3335
		3336	sub load_facedata($) {
		3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3344
		3345	warn "loading facedata from $path\n";
		3346
		3347	my $facedata;
		3348	0 < aio_load $path, $facedata
		3349	or die "$path: $!";
		3350
		3351	$facedata = Coro::Storable::thaw $facedata;
		3352
		3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
		3365	{
		3366	my $faces = $facedata->{faceinfo};
		3367
		3368	while (my ($face, $info) = each %$faces) {
		3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
		3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
		3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3375
		3376	cf::cede_to_tick;
		3377	}
		3378
		3379	while (my ($face, $info) = each %$faces) {
		3380	next unless $info->{smooth};
		3381
		3382	my $idx = cf::face::find $face
		3383	or next;
		3384
		3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
		3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3388	} else {
		3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3390	}
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394	}
		3395
		3396	{
		3397	my $anims = $facedata->{animinfo};
		3398
		3399	while (my ($anim, $info) = each %$anims) {
		3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	cf::anim::invalidate_all; # d'oh
		3405	}
		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
		3426	1
		3427	}
		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
2263	sub load_resources {	3457	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3473	or die "unable to load regions file\n";
2266	}
2267		3474
2268	sub cfg_load {	3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
		3481	sub reload_facedata {
		3482	load_facedata "$DATADIR/facedata"
		3483	or die "unable to load facedata\n";
		3484	}
		3485
		3486	sub reload_archetypes {
		3487	load_resource_file "$DATADIR/archetypes"
		3488	or die "unable to load archetypes\n";
		3489	}
		3490
		3491	sub reload_treasures {
		3492	load_resource_file "$DATADIR/treasures"
		3493	or die "unable to load treasurelists\n";
		3494	}
		3495
		3496	sub reload_resources {
		3497	warn "reloading resource files...\n";
		3498
		3499	reload_facedata;
		3500	reload_archetypes;
		3501	reload_regions;
		3502	reload_treasures;
		3503
		3504	warn "finished reloading resource files\n";
		3505	}
		3506
		3507	sub reload_config {
		3508	warn "reloading config file...\n";
		3509
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3511	or return;
2271		3512
2272	local $/;	3513	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2274		3515
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3517
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3525	};
2285	warn $@ if $@;	3526	warn $@ if $@;
2286	}	3527	}
2287	}
2288		3528
2289	sub init {	3529	warn "finished reloading resource files\n";
2290	load_resources;	3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3558	}
2292		3559
2293	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2294	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3573	(async {
2298	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2300	};	3577	};
2301		3578
2302	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2303	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2304	load_extensions;	3602	load_extensions;
2305		3603
2306	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2308	}	3617	}
2309		3618
2310	#############################################################################	3619	#############################################################################
2311	# initialisation and cleanup	3620	# initialisation and cleanup
2312		3621
2313	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2314	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2323	},
2324	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2325	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2326	}	3718	}
2327		3719
2328	sub emergency_save() {	3720	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2330		3722
2331	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2332		3724
2333	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2334	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3739	$pl->save;
2342	}	3740	}
2343	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2344		3742
2345	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3746	$map->valid or next;
2349	$map->save;	3747	$map->save;
2350	}	3748	}
2351	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2352		3750
2353	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2356	};	3758	};
2357		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2358	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2359	}	3766	}
2360		3767
2361	sub post_cleanup {	3768	sub post_cleanup {
2362	my ($make_core) = @_;	3769	my ($make_core) = @_;
2363		3770
2364	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3772	if $make_core;
2366	}
2367		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
		3801	}
		3802
2368	sub reload() {	3803	sub do_reload_perl() {
2369	# can/must only be called in main	3804	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2371	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2372	return;	3807	return;
2373	}	3808	}
2374		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2375	warn "reloading...";	3815	warn "reloading...";
2376		3816
2377	warn "cancelling server ticker";	3817	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3818
		3819	cf::sync_job {
		3820	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3821	cf::emergency_save;
		3822	cf::write_runtime_sync; # external watchdog should not bark
2381		3823
2382	eval {	3824	warn "syncing database to disk";
		3825	BDB::db_env_txn_checkpoint $DB_ENV;
		3826
2383	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2384		3828
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3832	}
2422		3833
2423	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2425	}	3836	%EXT_CORO = ();
2426		3837
2427	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3847	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3848
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2438	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2439	}	3858	}
2440		3859
2441	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2442	}	3875	}
2443		3876
2444	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3880
2448	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3884
2451	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3886	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2454		3888
2455	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2456		3890
2457	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2458	require cf;	3892	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2460		3894
2461	warn "loading config and database again";	3895	warn "loading config and database again";
2462	cf::cfg_load;	3896	cf::reload_config;
2463		3897
2464	warn "loading extensions";	3898	warn "loading extensions";
2465	cf::load_extensions;	3899	cf::load_extensions;
2466		3900
		3901	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3903	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
		3906	warn "reattaching attachments to players";
		3907	reattach $_ for values %PLAYER;
		3908	}
2471		3909
2472	warn "loading reloadable resources";	3910	warn "running post_init jobs";
2473	load_resources;	3911	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3912
2475	warn "restarting server ticker";	3913	warn "leaving sync_job";
2476		3914
2477	$TICK_WATCHER->start;	3915	1
		3916	} or do {
		3917	warn $@;
		3918	cf::cleanup "error while reloading, exiting.";
		3919	};
		3920
		3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
		3927	};
		3928
		3929	our $RELOAD_WATCHER; # used only during reload
		3930
		3931	sub reload_perl() {
		3932	# doing reload synchronously and two reloads happen back-to-back,
		3933	# coro crashes during coro_state_free->destroy here.
		3934
		3935	$RELOAD_WATCHER ||= cf::async {
		3936	Coro::AIO::aio_wait cache_extensions;
		3937
		3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3939	do_reload_perl;
		3940	undef $RELOAD_WATCHER;
		3941	};
2478	};	3942	};
2479		3943	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3944
2491	register_command "reload" => sub {	3945	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2493		3947
2494	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
2496		3950	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3951	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3952	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3953	};
2509	}	3954	}
2510	};	3955	};
2511		3956
2512	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2513		3958
2514	my $bug_warning = 0;	3959	my $bug_warning = 0;
2515		3960
2516	$TICK_WATCHER = Event->timer (	3961	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3962	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3963
2519	prio => 0,	3964	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3966
2522	cb => sub {	3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub wait_for_tick_begin {
		3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3974
		3975	my $signal = new Coro::Signal;
		3976	push @WAIT_FOR_TICK_BEGIN, $signal;
		3977	$signal->wait;
		3978	}
		3979
		3980	sub tick {
2523	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2526	return;	3984	return;
2527	}	3985	}
2528		3986
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3988
2535	$WAIT_FOR_TICK->broadcast;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537		3990
2538	Event::sweep;	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	Coro::cede_notself;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
		3995	write_runtime_sync
		3996	or warn "ERROR: unable to write runtime file: $!";
		3997	};
		3998	}
		3999
		4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4001	$sig->send;
		4002	}
		4003	while (my $sig = shift @WAIT_FOR_TICK) {
		4004	$sig->send;
		4005	}
		4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
2540		4015	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	4016	}
2550	);	4017	}
2551		4018
2552	{	4019	{
2553	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	4021
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2563		4023	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		4025
2579	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		4033
2582	cf::sync_job {	4034	cf::sync_job {
2583	eval {	4035	eval {
2584	BDB::db_env_open	4036	BDB::db_env_open
2585	$DB_ENV,	4037	$DB_ENV,
2586	$BDB_ENV_DIR,	4038	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	4041	0666;
2590		4042
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	4044	};
2596		4045
2597	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	4047	};
2599	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2600	}	4059	}
2601		4060
2602	{	4061	{
		4062	# configure IO::AIO
		4063
2603	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4067	}
2616		4068
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4069	my $_log_backtrace;
2618	reentrant => 0,	4070
2619	data => WF_AUTOCANCEL,	4071	sub _log_backtrace {
2620	after => 1,	4072	my ($msg, @addr) = @_;
2621	interval => 10,	4073
2622	prio => 6, # keep it lowest so it acts like a watchdog	4074	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	4075
2624	write_runtime	4076	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4108	}
2627	);	4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2628		4114
2629	END { cf::emergency_save }	4115	END { cf::emergency_save }
2630		4116
2631	1	4117	1
2632		4118

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