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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 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";
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	}
		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($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
278	};	469	}
279	$TICK_WATCHER->stop;	470	};
280	$guard	471
		472	sub get_slot($;$$) {
		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	$sig->wait;
281	}	485	}
282		486
283	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
284		488
285	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		494
291	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
292		496
293	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
294		498
295	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
298		503
299	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
302	fast or be very important.	507	fast or be very important.
…		…
305		510
306	sub sync_job(&) {	511	sub sync_job(&) {
307	my ($job) = @_;	512	my ($job) = @_;
308		513
309	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
310	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
312		519
313	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	521
315	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
316		523
317	my $busy = 1;	524	my $busy = 1;
318	my @res;	525	my @res;
319		526
320	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	529	@res = eval { $job->() };
322	warn $@ if $@;	530	warn $@ if $@;
323	undef $busy;	531	undef $busy;
324	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
325		533
326	while ($busy) {	534	while ($busy) {
327	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
328	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
329		545
330	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
331	} else {	547	} else {
332	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
333		549
…		…
353	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
354		570
355	$coro	571	$coro
356	}	572	}
357		573
358	sub write_runtime {	574	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		575
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
362	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
363		580
364	my $value = $cf::RUNTIME + 90 + 10;	581	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		582
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	583	sub fork_call(&@) {
369	and return;	584	my ($cb, @args) = @_;
370		585
371	# always fsync - this file is important	586	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	587	# otherwise perl prematurely frees the stuff :/
373	and return;	588	# TODO: investigate and fix (likely this will be rather laborious)
374		589
375	close $fh	590	my @res = Coro::Util::fork_eval {
376	or return;	591	reset_signals;
		592	&$cb
		593	}, @args;
377		594
378	aio_rename "$runtime~", $runtime	595	wantarray ? @res : $res[-1]
379	and return;	596	}
380		597
		598	sub objinfo {
381	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 });
382	}	772	}
383		773
384	=back	774	=back
385		775
386	=cut	776	=cut
387		777
388	#############################################################################	778	#############################################################################
389		779
390	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
391		781
392	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
393	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")
394	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
395		785
396	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>
397	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
398	crossfire+).	788	Deliantra).
399		789
400	=over 4	790	=over 4
401		791
402	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
403		793
…		…
447	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
448		838
449	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
451		841
452	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		844
455	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
456		846
457	=over 4	847	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
567		957
568	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		962
573	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	964	my $pkg = shift @arg;
575		965
576	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
606	}	996	}
607		997
608	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
609	} else {	999	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	1001	}
612		1002
613	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
614	}	1004	}
615		1005
…		…
617	if (ref $_[0]) {	1007	if (ref $_[0]) {
618	_object_attach @_;	1008	_object_attach @_;
619	} else {	1009	} else {
620	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
621	}	1011	}
		1012	_recalc_want;
622	};	1013	};
623		1014
624	# all those should be optimised	1015	# all those should be optimised
625	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1021	reattach ($obj);
631	} else {	1022	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
633	}	1024	}
		1025	_recalc_want;
634	};	1026	};
635		1027
636	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
638		1030
…		…
653	";	1045	";
654	die if $@;	1046	die if $@;
655	}	1047	}
656		1048
657	our $override;	1049	our $override;
658	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?
659		1051
660	sub override {	1052	sub override {
661	$override = 1;	1053	$override = 1;
662	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
663	}	1055	}
664		1056
665	sub do_invoke {	1057	sub do_invoke {
666	my $event = shift;	1058	my $event = shift;
667	my $callbacks = shift;	1059	my $callbacks = shift;
668		1060
669	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
670		1062
671	local $override;	1063	local $override;
672		1064
673	for (@$callbacks) {	1065	for (@$callbacks) {
674	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
683	}	1075	}
684		1076
685	0	1077	0
686	}	1078	}
687		1079
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1081
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1083
692	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
693		1085
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1089
698	=back	1090	=back
699		1091
700	=cut	1092	=cut
701		1093
702	#############################################################################	1094	#############################################################################
703	# 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, $ob2
		1137	}
704		1138
705	sub reattach {	1139	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1141	my ($obj) = @_;
708		1142
		1143	# no longer needed after getting rid of delete_package?
709	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
710		1145
711	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
712		1147
713	@$registry = ();	1148	@$registry = ();
714		1149
…		…
729	cf::attachable->attach (	1164	cf::attachable->attach (
730	prio => -1000000,	1165	prio => -1000000,
731	on_instantiate => sub {	1166	on_instantiate => sub {
732	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
733		1168
734	$data = from_json $data;	1169	$data = decode_json $data;
735		1170
736	for (@$data) {	1171	for (@$data) {
737	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
738		1173
739	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1190	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
757		1192
758	sync_job {	1193	sync_job {
759	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
762		1198
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1206	aio_close $fh;
768		1207
769	if (@$objs) {	1208	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
774	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	}
775	close $fh;	1217	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
777	}	1219	}
778	} else {	1220	} else {
779	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
780	}	1222	}
781		1223
782	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1228	} else {
784	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
785	}	1230	}
786	} else {	1231	} else {
787	aio_unlink $filename;	1232	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
789	}	1234	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1235	};
797	}	1236	}
798		1237
799	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
801		1240
…		…
806		1245
807	sub object_thawer_load {	1246	sub object_thawer_load {
808	my ($filename) = @_;	1247	my ($filename) = @_;
809		1248
810	my ($data, $av);	1249	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1250
815	(aio_load $filename, $data) >= 0	1251	(aio_load $filename, $data) >= 0
816	or return;	1252	or return;
817		1253
818	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
820	or return;	1256	or return;
		1257
821	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
822	}	1260	}
823		1261
		1262	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
826	return ($data, $av);	1266	($data, $av)
827	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
828		1274
829	#############################################################################	1275	#############################################################################
830	# command handling &c	1276	# command handling &c
831		1277
832	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1292	}
847		1293
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1295
850	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.
851		1301
852	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
853	called.	1303	called.
854		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
855	=cut	1316	=cut
856		1317
857	sub register_extcmd {	1318	sub register_extcmd {
858	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
859		1320
860	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
861	}	1322	}
862		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
863	cf::player->attach (	1332	cf::player->attach (
864	on_command => sub {	1333	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
866		1335
867	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
868	or return;	1337	or return;
869		1338
…		…
874	cf::override;	1343	cf::override;
875	},	1344	},
876	on_extcmd => sub {	1345	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
878		1347
879	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1349
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
887	} else {	1365	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1367	}
890		1368
891	cf::override;	1369	cf::override;
892	},	1370	},
893	);	1371	);
894		1372
		1373	# "readahead" all extensions
895	sub load_extension {	1374	sub cache_extensions {
896	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
897		1376
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1380	}
923	die $@;
924	}	1381	};
925		1382
926	push @EXTS, $pkg;	1383	$grp
927	}	1384	}
928		1385
929	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
930	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1391	next unless -r $path;
932	eval {	1392
933	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 $active;
		1455	}
934	1	1456	}
935	} or warn "$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	}
936	}	1467	};
937	}	1468	}
938		1469
939	#############################################################################	1470	#############################################################################
940		1471
		1472	=back
		1473
941	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
942		1475
943	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
944		1477
945	=cut	1478	=cut
946		1479
947	package cf::player;	1480	package cf::player;
948		1481
…		…
950		1483
951	=head3 cf::player	1484	=head3 cf::player
952		1485
953	=over 4	1486	=over 4
954		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
955	=item cf::player::find $login	1502	=item cf::player::find $login
956		1503
957	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
958		1505
959	=cut	1506	=cut
960		1507
961	sub playerdir($) {	1508	sub playerdir($) {
962	cf::localdir	1509	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1511	}
968		1512
969	sub path($) {	1513	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1515
972	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
973	}	1517	}
974		1518
975	sub find_active($) {	1519	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
980		1524
981	sub exists($) {	1525	sub exists($) {
982	my ($login) = @_;	1526	my ($login) = @_;
983		1527
984	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
986	}	1530	}
987		1531
988	sub find($) {	1532	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1534	my $login = $_[0];
991		1535
992	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
993		1537
994	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
998	}	1555	}
999	}	1556	}
1000	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1001		1571
1002	sub save($) {	1572	sub save($) {
1003	my ($pl) = @_;	1573	my ($pl) = @_;
1004		1574
1005	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1011		1581
1012	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1016	Coro::cede;	1591	cf::cede_to_tick;
1017	}	1592	}
1018		1593
1019	sub new($) {	1594	sub new($) {
1020	my ($login) = @_;	1595	my ($login) = @_;
1021		1596
…		…
1027	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1028		1603
1029	$self	1604	$self
1030	}	1605	}
1031		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
1032	=item $pl->quit_character	1617	=item $pl->quit_character
1033		1618
1034	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1036		1621
1037	=cut	1622	=cut
1038		1623
1039	sub quit_character {	1624	sub quit_character {
1040	my ($pl) = @_;	1625	my ($pl) = @_;
1041		1626
		1627	my $name = $pl->ob->name;
		1628
1042	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1043	$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
1044		1631
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1049		1638
1050	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1665	}
1057		1666
1058	=item cf::player::list_logins	1667	=item cf::player::list_logins
1059		1668
1060	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
1061	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1062		1671
1063	=cut	1672	=cut
1064		1673
1065	sub list_logins {	1674	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1676	or return [];
1068		1677
1069	my @logins;	1678	my @logins;
1070		1679
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1075		1690
1076	utf8::decode $login;	1691	utf8::decode $login;
1077	push @logins, $login;	1692	push @logins, $login;
1078	}	1693	}
1079		1694
1080	\@logins	1695	\@logins
1081	}	1696	}
1082		1697
1083	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1084		1701
1085	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1086	player. May block.	1703	player. May block.
1087		1704
1088	=cut	1705	=cut
…		…
1106	}	1723	}
1107		1724
1108	\@paths	1725	\@paths
1109	}	1726	}
1110		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1112		1733
1113	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1114		1735
1115	=cut	1736	=cut
1116		1737
1117	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1119		1740
1120	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1742	}
1124		1743
1125	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	}
1126		1786
1127	=back	1787	=back
1128
1129		1788
1130	=head3 cf::map	1789	=head3 cf::map
1131		1790
1132	=over 4	1791	=over 4
1133		1792
…		…
1145	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1147		1806
1148	sub generate_random_map {	1807	sub generate_random_map {
1149	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
1150	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1813	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1188	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1189		1851
1190	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1191	local $self->{path};	1853	local $self->{path};
1192	local $self->{load_path};	1854	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1855
1196	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1197	}	1857	}
1198		1858
1199	sub normalise {	1859	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1247	return $self;	1907	return $self;
1248	}	1908	}
1249	}	1909	}
1250		1910
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1912	()
1253	}	1913	}
1254		1914
1255	sub init {	1915	sub init {
1256	my ($self) = @_;	1916	my ($self) = @_;
…		…
1271		1931
1272	# the original (read-only) location	1932	# the original (read-only) location
1273	sub load_path {	1933	sub load_path {
1274	my ($self) = @_;	1934	my ($self) = @_;
1275		1935
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1277	}	1937	}
1278		1938
1279	# the temporary/swap location	1939	# the temporary/swap location
1280	sub save_path {	1940	sub save_path {
1281	my ($self) = @_;	1941	my ($self) = @_;
1282		1942
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1285	}	1945	}
1286		1946
1287	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1288	sub uniq_path {	1948	sub uniq_path {
1289	my ($self) = @_;	1949	my ($self) = @_;
1290		1950
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1293	}	1953	}
1294		1954
1295	# and all this just because we cannot iterate over	1955	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1956	my ($self) = @_;
1299		1957
1300	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1302	}	1961	}
1303		1962
1304	sub unlink_save {	1963	sub unlink_save {
1305	my ($self) = @_;	1964	my ($self) = @_;
1306		1965
1307	utf8::encode (my $save = $self->save_path);	1966	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1969	}
1316		1970
1317	sub load_header_from($) {	1971	sub load_header_from($) {
1318	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1319		1973
1320	utf8::encode $path;	1974	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	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;
1326		1983
1327	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1328		1985
1329	1	1986	1
1330	}	1987	}
…		…
1369	$self->load_header_orig	2026	$self->load_header_orig
1370	or return;	2027	or return;
1371	$self->prepare_orig;	2028	$self->prepare_orig;
1372	}	2029	}
1373		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
1374	1	2037	1
1375	}	2038	}
1376		2039
1377	sub find;	2040	sub find;
1378	sub find {	2041	sub find {
1379	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1380		2043
1381	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1382		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2048
1385	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1388	or return;	2051	or return;
1389		2052
1390	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1391		2054
1392	$map->load_header	2055	$map->load_header
1393	or return;	2056	or return;
1394		2057
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1398	$map->reset;	2063	$map->reset;
1399	undef $guard;
1400	return find $path;	2064	return find $path;
1401	}	2065	}
1402		2066
1403	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1404	}	2068	}
1405	}	2069	}
1406		2070
1407	sub pre_load { }	2071	sub pre_load { }
1408	sub post_load { }	2072	#sub post_load { } # XS
1409		2073
1410	sub load {	2074	sub load {
1411	my ($self) = @_;	2075	my ($self) = @_;
1412		2076
1413	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1414		2078
1415	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1417		2083
		2084	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2086
1420	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1421		2088
1422	$self->alloc;	2089	$self->alloc;
1423		2090
1424	$self->pre_load;	2091	$self->pre_load;
		2092	cf::cede_to_tick;
1425		2093
1426	$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)
1427	or return;	2097	or return;
1428		2098
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1430	if delete $self->{load_original};	2100	if delete $self->{load_original};
1431		2101
1432	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2103	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2106	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1437	}	2110	}
1438	}	2111	}
1439		2112
1440	Coro::cede;	2113	$f->resolve_delayed_derefs;
1441		2114
		2115	cf::cede_to_tick;
1442	# now do the right thing for maps	2116	# now do the right thing for maps
1443	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2119	unless $self->difficulty;
1453	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;
1454	$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);
1455	}	2134	}
1456		2135
1457	$self->post_load;	2136	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2137	}
1461		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
1462	sub customise_for {	2142	sub customise_for {
1463	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1464		2144
1465	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2146	if $self->per_player;
1467		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1468	$self	2151	$self
1469	}	2152	}
1470		2153
1471	# 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
1472	sub load_diag {	2155	sub load_neighbours {
1473	my ($map) = @_;	2156	my ($map) = @_;
1474		2157
1475	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1476		2159
1477	for (0 .. 3) {	2160	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1479	or next;	2162	or next;
1480	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1481	or next;	2164	or next;
1482	$neigh->load;	2165	$neigh->load;
1483		2166
		2167	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2170	}
1487		2171
1488	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1490	or next;	2175	or next;
1491	$neigh->load;	2176	$neigh->load;
1492	}	2177	}
1493	}	2178	}
1494		2179
…		…
1499	}	2184	}
1500		2185
1501	sub do_load_sync {	2186	sub do_load_sync {
1502	my ($map) = @_;	2187	my ($map) = @_;
1503		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1504	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1505	}	2193	}
1506		2194
1507	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1509		2197
1510	sub find_async {	2198	sub find_async {
1511	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1512		2200
1513	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1514		2202
1515	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2205	}
1518		2206
1519	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1520	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1521	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2214	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2215	$map->load if $v;
		2216	}
1526		2217
1527	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1528	}	2219	}
1529	}	2220	}
1530	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1531	};	2222	};
1532	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1533		2224
1534	()	2225	()
1535	}	2226	}
1536		2227
		2228	# common code, used by both ->save and ->swapout
1537	sub save {	2229	sub _save {
1538	my ($self) = @_;	2230	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2231
1542	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1543		2233
1544	return unless $self->dirty;	2234	return unless $self->dirty;
1545		2235
…		…
1551	return if $self->{deny_save};	2241	return if $self->{deny_save};
1552		2242
1553	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1554		2244
1555	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1557	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1558		2251
1559	if ($uniq) {	2252	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2255	} else {
1563	$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);
1564	}	2257	}
1565	}	2258	}
1566		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1567	sub swap_out {	2268	sub swap_out {
1568	my ($self) = @_;	2269	my ($self) = @_;
1569		2270
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1575	return if $self->players;	2275	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2286	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2287	}
1582		2288
1583	sub reset_at {	2289	sub reset_at {
1584	my ($self) = @_;	2290	my ($self) = @_;
1585		2291
1586	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1589		2294
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		2297
…		…
1603	my ($self) = @_;	2308	my ($self) = @_;
1604		2309
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2311
1607	return if $self->players;	2312	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2313
1610	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1611		2315
1612	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1613		2317
1614	# need to save uniques path	2318	# need to save uniques path
1615	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2323	if $uniq;
1620	}	2324	}
1621		2325
1622	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1623		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2330	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2331
1628	$self->unlink_save;	2332	$self->unlink_save;
1629	$self->destroy;	2333	$self->destroy;
1630	}	2334	}
1631		2335
1632	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1633		2337
1634	sub nuke {	2338	sub nuke {
1635	my ($self) = @_;	2339	my ($self) = @_;
1636		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1637	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1638		2345
1639	$self->unlink_save;	2346	$self->unlink_save;
1640		2347
1641	bless $self, "cf::map";	2348	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2353
1647	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1648		2356
1649	$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	]
1650	}	2394	}
1651		2395
1652	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1653		2397
1654	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2399	instantiated unique items. May block.
1656		2400
1657	=cut	2401	=cut
1658		2402
1659	sub unique_maps() {	2403	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1661	or return;	2405	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2406	utf8::decode $_;
1667	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2409	? ()
1670	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2412	]
1672
1673	\@paths
1674	}	2413	}
1675		2414
1676	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	}
1677		2446
1678	=back	2447	=back
1679		2448
1680	=head3 cf::object	2449	=head3 cf::object
1681		2450
…		…
1685		2454
1686	=over 4	2455	=over 4
1687		2456
1688	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1689		2458
1690	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.
1691		2461
1692	=cut	2462	=cut
1693		2463
1694	sub inv_recursive_;	2464	sub inv_recursive_;
1695	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1698		2468
1699	sub inv_recursive {	2469	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1701	}	2471	}
1702		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
1703	package cf;	2501	package cf;
1704		2502
1705	=back	2503	=back
1706		2504
1707	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1716		2514
1717	=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	};
1718		2530
1719	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2532	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1724		2536
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2538
1727	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1732	}	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 (@_);
1733	}	2564	}
1734		2565
1735	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1736		2567
1737	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1750		2581
1751	=item $player_object->enter_link	2582	=item $player_object->enter_link
1752		2583
1753	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}>).
1754		2585
1755	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.
1756	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.
1757		2590
1758	Will never block.	2591	Will never block.
1759		2592
1760	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1761		2594
…		…
1784	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1785		2618
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2620
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1790		2623
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2625	}
1793		2626
1794	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1796		2631
1797	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1798		2633
1799	unless ($map) {	2634	unless ($map) {
1800	# restore original map position	2635	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1813		2648
1814	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1817		2652
1818	$map->load;	2653	$map->load;
1819	$map->load_diag;	2654	$map->load_neighbours;
1820		2655
1821	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
1822	$self->activate_recursive;	2662	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}	2663	}
1825		2664
1826	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827	on_logout => sub {
1828	my ($pl) = @_;
1829		2666
1830	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1831	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1832	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1833	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1834	};	2671	be called at the end of this process.
1835	}
1836	},
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2672
1840	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1841	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2675
1858	=item $player_object->goto ($path, $x, $y)
1859
1860	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1861		2679
1862	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1863	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;
1864		2685
1865	$self->enter_link;	2686	$self->enter_link;
1866		2687
1867	(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
1868	my $map = eval {	2710	my $map = eval {
1869	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1870	$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
1871	$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 $@;
1872	} or	2726	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1876	})->prio (1);	2734	})->prio (1);
1877	}	2735	}
1878		2736
1879	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1880		2738
…		…
1900	}	2758	}
1901		2759
1902	sub prepare_random_map {	2760	sub prepare_random_map {
1903	my ($exit) = @_;	2761	my ($exit) = @_;
1904		2762
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2765	# that depends on the exit object
1910		2766
1911	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2769	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1918	}	2776	}
1919		2777
1920	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1921		2779
1922	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
1925		2783
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2786	undef $fh;
1929	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
1930		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1933	}	2795	}
1934	}	2796	}
1935		2797
1936	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
1938		2800
1939	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1940		2802
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2803	$self->enter_link;
1951		2804
1952	(async {	2805	(async {
1953	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1954	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
1955	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
1956		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
1957	1;	2829	1
1958	}) {	2830	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "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. "
1961	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2835
1964	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1965	$self->leave_link;	2837	$self->leave_link;
1966	}	2838	}
1967	})->prio (1);	2839	})->prio (1);
…		…
1980		2852
1981	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1983		2855
1984	utf8::encode $text;	2856	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2858	}
1987		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	}
1988		3081
1989	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1990		3083
1991	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
1992	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>,
1993	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>.
1994		3087
1995	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
1996	reliable at some point in the future.	3089	become reliable at some point in the future.
1997		3090
1998	=cut	3091	=cut
1999		3092
2000	sub cf::client::query {	3093	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3102	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3104
2012	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2014	}	3109	}
2015		3110
2016	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	},
2017	on_reply => sub {	3117	on_reply => sub {
2018	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2019		3119
2020	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2021	# get handled first	3121	# get handled first
…		…
2033	} else {	3133	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3135	}
2036	}	3136	}
2037	},	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	},
2038	);	3164	);
2039		3165
2040	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2041		3167
2042	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3184
2059	$coro	3185	$coro
2060	}	3186	}
2061		3187
2062	cf::client->attach (	3188	cf::client->attach (
2063	on_destroy => sub {	3189	on_client_destroy => sub {
2064	my ($ns) = @_;	3190	my ($ns) = @_;
2065		3191
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3193	},
2068	);	3194	);
…		…
2083	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2085		3211
2086	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2087		3213
2088	$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	));
2089		3219
2090	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2091		3221
2092	=pod	3222	=pod
2093		3223
2094	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2095		3225
2096	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
2097	cf::object::player player	3231	cf::object::player
2098	cf::player peaceful	3232	player
2099	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2100		3239
2101	=cut	3240	=cut
2102		3241
2103	for (	3242	for (
2104	["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)],
2105	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2108	) {	3249	) {
2109	no strict 'refs';	3250	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2129		3270
2130	my $qcode = $code;	3271	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2133		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2134	local $_;	3278	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3279
2137	my $eval =	3280	my $eval =
2138	"do {\n"	3281	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3284	. $code
2142	. "\n}"	3285	. "\n}"
2143	;	3286	;
2144		3287
		3288	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	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	}
2148		3297
2149	if ($@) {	3298	if ($@) {
2150	warn "$@";	3299	warn "$@";
2151	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2152	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2171	=cut	3320	=cut
2172		3321
2173	sub register_script_function {	3322	sub register_script_function {
2174	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2175		3324
2176	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2178	}	3327	}
2179		3328
2180	=back	3329	=back
2181		3330
2182	=cut	3331	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3332
2256	#############################################################################	3333	#############################################################################
2257	# the server's init and main functions	3334	# the server's init and main functions
2258		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
2259	sub load_resources {	3457	sub load_resource_file($) {
2260	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"
2261	or die "unable to load regions file\n";#d#	3473	or die "unable to load regions file\n";
2262	}
2263		3474
2264	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
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	3511	or return;
2267		3512
2268	local $/;	3513	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2270		3515
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2272		3517
2273	$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};
2274	$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};
…		…
2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2280	};	3525	};
2281	warn $@ if $@;	3526	warn $@ if $@;
2282	}	3527	}
2283	}
2284		3528
2285	sub init {	3529	warn "finished reloading resource files\n";
2286	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;
2287	}	3558	}
2288		3559
2289	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
2290	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2292	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#
2293	(async {	3573	(async {
2294	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2296	};	3577	};
2297		3578
2298	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;
2299	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
2300	load_extensions;	3602	load_extensions;
2301		3603
2302	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2303	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;
2304	}	3617	}
2305		3618
2306	#############################################################################	3619	#############################################################################
2307	# initialisation and cleanup	3620	# initialisation and cleanup
2308		3621
2309	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2310	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2319	},
2320	);	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
2321	}	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 };
2322	}	3718	}
2323		3719
2324	sub emergency_save() {	3720	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2326		3722
2327	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2328		3724
2329	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
2330	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3739	$pl->save;
2338	}	3740	}
2339	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2340		3742
2341	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2342	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	3746	$map->valid or next;
2345	$map->save;	3747	$map->save;
2346	}	3748	}
2347	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2348		3750
2349	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2351	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";
2352	};	3758	};
2353		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
2354	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2355	}	3766	}
2356		3767
2357	sub post_cleanup {	3768	sub post_cleanup {
2358	my ($make_core) = @_;	3769	my ($make_core) = @_;
2359		3770
2360	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3772	if $make_core;
2362	}
2363		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
2364	sub reload() {	3803	sub do_reload_perl() {
2365	# can/must only be called in main	3804	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2367	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2368	return;	3807	return;
2369	}	3808	}
2370		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2371	warn "reloading...";	3815	warn "reloading...";
2372		3816
2373	warn "entering sync_job";	3817	warn "entering sync_job";
2374		3818
2375	cf::sync_job {	3819	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2377	cf::emergency_save;	3821	cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2379		3823
2380	warn "syncing database to disk";	3824	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2382		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 "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2396	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2397	}
2398
2399	warn "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();
2402
2403	warn "removing commands";
2404	%COMMAND = ();
2405
2406	warn "removing ext commands";
2407	%EXTCMD = ();
2408
2409	warn "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";
2412
2413	if (my $cb = $pkg->can ("unload")) {
2414	eval {
2415	$cb->($pkg);
2416	1
2417	} or warn "$pkg unloaded, but with errors: $@";
2418	}	3832	}
2419		3833
2420	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2421	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2422	}	3836	%EXT_CORO = ();
2423		3837
2424	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2425	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2428	warn "... unloading $k";	3847	warn "... unloading $pkg";
2429	delete $INC{$k};
2430		3848
2431	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;
2433
2434	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2435	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2436	}	3858	}
2437		3859
2438	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 $k;
2439	}	3875	}
2440		3876
2441	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2443	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);
2444		3880
2445	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		3884
2448	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3886	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2451		3888
2452	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2453		3890
2454	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2455	require cf;	3892	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2457		3894
2458	warn "loading config and database again";	3895	warn "loading config and database again";
2459	cf::cfg_load;	3896	cf::reload_config;
2460		3897
2461	warn "loading extensions";	3898	warn "loading extensions";
2462	cf::load_extensions;	3899	cf::load_extensions;
2463		3900
		3901	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2465	_global_reattach;	3903	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
		3906	warn "reattaching attachments to players";
		3907	reattach $_ for values %PLAYER;
		3908	}
2468		3909
2469	warn "loading reloadable resources";	3910	warn "running post_init jobs";
2470	load_resources;	3911	(pop @POST_INIT)->(1) while @POST_INIT;
2471		3912
2472	warn "leaving sync_job";	3913	warn "leaving sync_job";
2473		3914
2474	1	3915	1
2475	} or do {	3916	} or do {
2476	warn $@;	3917	warn $@;
2477	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2478	exit 1;	3919	};
		3920
		3921	warn "reloaded";
		3922	--$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	};
2479	};	3942	};
2480		3943	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		3944
2486	register_command "reload" => sub {	3945	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2488		3947
2489	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
2491		3950	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	3951	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	3952	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	3953	};
2504	}	3954	}
2505	};	3955	};
2506		3956
2507	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2508		3958
2509	my $bug_warning = 0;	3959	my $bug_warning = 0;
2510		3960
2511	$TICK_WATCHER = Event->timer (	3961	our @WAIT_FOR_TICK;
2512	reentrant => 0,	3962	our @WAIT_FOR_TICK_BEGIN;
2513	parked => 1,	3963
2514	prio => 0,	3964	sub wait_for_tick {
2515	at => $NEXT_TICK || $TICK,	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2516	data => WF_AUTOCANCEL,	3966
2517	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	$signal->wait;
		3978	}
		3979
		3980	sub tick {
2518	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2521	return;	3984	return;
2522	}	3985	}
2523		3986
2524	$NOW = Event::time;
2525
2526	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		3988
		3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		3990
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	3995	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2535	};
2536	}	3997	};
2537
2538
2539	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544
2545	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;
2550	},	3998	}
2551	);	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#
		4015	}
		4016	}
		4017	}
2552		4018
2553	{	4019	{
2554	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4021
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2564		4023	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4025
2580	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2581	$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);
2582		4033
2583	cf::sync_job {	4034	cf::sync_job {
2584	eval {	4035	eval {
2585	BDB::db_env_open	4036	BDB::db_env_open
2586	$DB_ENV,	4037	$DB_ENV,
2587	$BDB_ENV_DIR,	4038	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4041	0666;
2591		4042
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4044	};
2597		4045
2598	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4047	};
2600	}	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	};
2601	}	4059	}
2602		4060
2603	{	4061	{
		4062	# configure IO::AIO
		4063
2604	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4067	}
		4068
		4069	my $_log_backtrace;
		4070
		4071	sub _log_backtrace {
		4072	my ($msg, @addr) = @_;
		4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_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] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
		4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2617		4114
2618	END { cf::emergency_save }	4115	END { cf::emergency_save }
2619		4116
2620	1	4117	1
2621		4118

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