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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 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 3.3 ();	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 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	118	our $NEXT_TICK;
52	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		150
70	binmode STDOUT;	151	binmode STDOUT;
71	binmode STDERR;	152	binmode STDERR;
72		153
73	# read virtual server time, if available	154	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
78	}	159	}
79		160
80	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	162
82	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		165
86	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		180
88	#############################################################################	181	#############################################################################
89		182
90	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
91		184
…		…
98	=item $cf::RUNTIME	191	=item $cf::RUNTIME
99		192
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	194	every server tick.
102		195
103	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		199
105	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
107		204
108	=item $cf::NOW	205	=item $cf::NOW
109		206
110	The time of the last (current) server tick.	207	The time of the last (current) server tick.
111		208
112	=item $cf::TICK	209	=item $cf::TICK
113		210
114	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
115		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
116	=item %cf::CFG	223	=item %cf::CFG
117		224
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	226	from wherever your confdir points to.
120		227
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		229
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
127		245
128	=back	246	=back
129		247
130	=cut	248	=cut
131		249
132	BEGIN {	250	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	251	my $msg = join "", @_;
135	utf8::encode $msg;
136		252
137	$msg .= "\n"	253	$msg .= "\n"
138	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
139		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
140	LOG llevError, $msg;	258	LOG llevError, $msg;
141	};	259	};
142	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
143		274
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		282
151	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	284	# within the Safe compartment.
153	for my $pkg (qw(	285	for my $pkg (qw(
154	cf::global cf::attachable	286	cf::global cf::attachable
155	cf::object cf::object::player	287	cf::object cf::object::player
156	cf::client cf::player	288	cf::client cf::player
157	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
158	cf::map cf::party cf::region	291	cf::party cf::region
159	)) {	292	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	294	}
163		295
164	$Event::DIED = sub {	296	$EV::DIED = sub {
165	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
166	};	298	};
		299
		300	#############################################################################
167		301
168	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
169		303
170	=over 4	304	=over 4
171		305
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	325	$d
192	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
193	}	327	}
194		328
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
198		330
199	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
200		332
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
209		334
210	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
211		336
212	=cut	337	=cut
213		338
214	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
216	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
217	}	356	}
218		357
219	=item cf::lock_wait $string	358	=item cf::lock_wait $string
220		359
221	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
222		361
223	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
224		363
225	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
228	returned.	367	returned.
229		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
230	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
232		374
233	=cut	375	=item $locked = cf::lock_active $string
234		376
235	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
236		382
237	sub lock_wait($) {	383	sub lock_wait($) {
238	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	385	}
246		386
247	sub lock_acquire($) {	387	sub lock_acquire($) {
248	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
249		390
250	# wait, to be sure we are not locked	391	sub lock_active($) {
251	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	393	}
260		394
261	sub freeze_mainloop {	395	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
263		397
264	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	399	}
266	$WRITE_RUNTIME_WATCHER->start;	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
267	};	465	}
268	$WRITE_RUNTIME_WATCHER->stop;	466	};
269	$TICK_WATCHER->stop;	467
270	$guard	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
271	}	481	}
272		482
273	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
274		484
275	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		490
281	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
282		492
283	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
284		494
285	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
288		499
289	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
292	fast or be very important.	503	fast or be very important.
…		…
295		506
296	sub sync_job(&) {	507	sub sync_job(&) {
297	my ($job) = @_;	508	my ($job) = @_;
298		509
299	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
300	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
302		515
303	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	517
305	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
306		519
307	my $busy = 1;	520	my $busy = 1;
308	my @res;	521	my @res;
309		522
310	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	525	@res = eval { $job->() };
312	warn $@ if $@;	526	warn $@ if $@;
313	undef $busy;	527	undef $busy;
314	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
315		529
316	while ($busy) {	530	while ($busy) {
317	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
318	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
319		541
320	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
321	} else {	543	} else {
322	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
323		545
…		…
343	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
344		566
345	$coro	567	$coro
346	}	568	}
347		569
348	sub write_runtime {	570	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		571
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
352	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
353		576
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		578
358	aio_fsync $fh	579	sub fork_call(&@) {
359	and return;	580	my ($cb, @args) = @_;
360		581
361	close $fh	582	# we seemingly have to make a local copy of the whole thing,
362	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
363		585
364	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
365	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
366		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
367	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	768	}
369		769
370	=back	770	=back
371		771
372	=cut	772	=cut
373		773
374	#############################################################################	774	#############################################################################
375		775
376	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
377		777
378	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
381		781
382	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	784	Deliantra).
385		785
386	=over 4	786	=over 4
387		787
388	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
389		789
…		…
433	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
434		834
435	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
437		837
438	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
440		840
441	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
442		842
443	=over 4	843	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	904	our @CB_MAP = ();
505		905
506	my %attachment;	906	my %attachment;
507		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
508	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
510		916
511	use sort 'stable';	917	use sort 'stable';
512		918
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
547		953
548	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		958
553	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	960	my $pkg = shift @arg;
555		961
556	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
586	}	992	}
587		993
588	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
589	} else {	995	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	997	}
592		998
593	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
594	}	1000	}
595		1001
…		…
597	if (ref $_[0]) {	1003	if (ref $_[0]) {
598	_object_attach @_;	1004	_object_attach @_;
599	} else {	1005	} else {
600	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
601	}	1007	}
		1008	_recalc_want;
602	};	1009	};
603		1010
604	# all those should be optimised	1011	# all those should be optimised
605	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1017	reattach ($obj);
611	} else {	1018	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
613	}	1020	}
		1021	_recalc_want;
614	};	1022	};
615		1023
616	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
618		1026
…		…
633	";	1041	";
634	die if $@;	1042	die if $@;
635	}	1043	}
636		1044
637	our $override;	1045	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1047
640	sub override {	1048	sub override {
641	$override = 1;	1049	$override = 1;
642	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
643	}	1051	}
644		1052
645	sub do_invoke {	1053	sub do_invoke {
646	my $event = shift;	1054	my $event = shift;
647	my $callbacks = shift;	1055	my $callbacks = shift;
648		1056
649	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
650		1058
651	local $override;	1059	local $override;
652		1060
653	for (@$callbacks) {	1061	for (@$callbacks) {
654	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
663	}	1071	}
664		1072
665	0	1073	0
666	}	1074	}
667		1075
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1077
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1079
672	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
673		1081
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1085
678	=back	1086	=back
679		1087
680	=cut	1088	=cut
681		1089
682	#############################################################################	1090	#############################################################################
683	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
684		1134
685	sub reattach {	1135	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1141
689	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
690		1143
691	@$registry = ();	1144	@$registry = ();
692		1145
…		…
707	cf::attachable->attach (	1160	cf::attachable->attach (
708	prio => -1000000,	1161	prio => -1000000,
709	on_instantiate => sub {	1162	on_instantiate => sub {
710	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
711		1164
712	$data = from_json $data;	1165	$data = decode_json $data;
713		1166
714	for (@$data) {	1167	for (@$data) {
715	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
716		1169
717	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1186	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
735		1188
736	sync_job {	1189	sync_job {
737	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
740		1194
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
744	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
745	close $fh;	1202	aio_close $fh;
746		1203
747	if (@$objs) {	1204	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
753	close $fh;	1213	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
755	}	1215	}
756	} else {	1216	} else {
757	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
758	}	1218	}
759		1219
760	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1224	} else {
762	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
763	}	1226	}
764	} else {	1227	} else {
765	aio_unlink $filename;	1228	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
767	}	1230	}
768	}	1231	};
769	}	1232	}
770		1233
771	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
773		1236
…		…
785	or return;	1248	or return;
786		1249
787	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
789	or return;	1252	or return;
		1253
790	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
791	}	1256	}
792		1257
		1258	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
795	return ($data, $av);	1262	($data, $av)
796	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
797		1270
798	#############################################################################	1271	#############################################################################
799	# command handling &c	1272	# command handling &c
800		1273
801	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1288	}
816		1289
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1291
819	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
820		1297
821	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
822	called.	1299	called.
823		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
824	=cut	1312	=cut
825		1313
826	sub register_extcmd {	1314	sub register_extcmd {
827	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
828		1316
829	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
830	}	1318	}
831		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
832	cf::player->attach (	1328	cf::player->attach (
833	on_command => sub {	1329	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
835		1331
836	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
837	or return;	1333	or return;
838		1334
…		…
843	cf::override;	1339	cf::override;
844	},	1340	},
845	on_extcmd => sub {	1341	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
847		1343
848	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1345
850	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
856	} else {	1361	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1363	}
859		1364
860	cf::override;	1365	cf::override;
861	},	1366	},
862	);	1367	);
863		1368
		1369	# "readahead" all extensions
864	sub load_extension {	1370	sub cache_extensions {
865	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
866		1372
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1376	}
892	die $@;
893	}	1377	};
894		1378
895	push @EXTS, $pkg;	1379	$grp
896	}	1380	}
897		1381
898	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
899	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1387	next unless -r $path;
901	eval {	1388
902	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
903	1	1449	}
904	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
905	}	1460	};
906	}	1461	}
907		1462
908	#############################################################################	1463	#############################################################################
909		1464
		1465	=back
		1466
910	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
911		1468
912	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
913		1470
914	=cut	1471	=cut
915		1472
916	package cf::player;	1473	package cf::player;
917		1474
…		…
919		1476
920	=head3 cf::player	1477	=head3 cf::player
921		1478
922	=over 4	1479	=over 4
923		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
924	=item cf::player::find $login	1495	=item cf::player::find $login
925		1496
926	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
927		1498
928	=cut	1499	=cut
929		1500
930	sub playerdir($) {	1501	sub playerdir($) {
931	cf::localdir	1502	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1504	}
937		1505
938	sub path($) {	1506	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1508
941	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
942	}	1510	}
943		1511
944	sub find_active($) {	1512	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
949		1517
950	sub exists($) {	1518	sub exists($) {
951	my ($login) = @_;	1519	my ($login) = @_;
952		1520
953	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
955	}	1523	}
956		1524
957	sub find($) {	1525	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1527	my $login = $_[0];
960		1528
961	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
962		1530
963	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
965	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
967	}	1548	}
968	}	1549	}
969	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
970		1564
971	sub save($) {	1565	sub save($) {
972	my ($pl) = @_;	1566	my ($pl) = @_;
973		1567
974	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
980		1574
981	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
983		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
984	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
985	Coro::cede;	1584	cf::cede_to_tick;
986	}	1585	}
987		1586
988	sub new($) {	1587	sub new($) {
989	my ($login) = @_;	1588	my ($login) = @_;
990		1589
…		…
996	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
997		1596
998	$self	1597	$self
999	}	1598	}
1000		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1001	=item $pl->quit_character	1610	=item $pl->quit_character
1002		1611
1003	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1005		1614
1006	=cut	1615	=cut
1007		1616
1008	sub quit_character {	1617	sub quit_character {
1009	my ($pl) = @_;	1618	my ($pl) = @_;
1010		1619
		1620	my $name = $pl->ob->name;
		1621
1011	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1624
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1018		1631
1019	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
1024	IO::AIO::aio_rmtree $temp;	1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
1025	}	1658	}
1026		1659
1027	=item cf::player::list_logins	1660	=item cf::player::list_logins
1028		1661
1029	Returns am arrayref of all valid playernames in the system, can take a	1662	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1031		1664
1032	=cut	1665	=cut
1033		1666
1034	sub list_logins {	1667	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1669	or return [];
1037		1670
1038	my @logins;	1671	my @logins;
1039		1672
1040	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1044		1683
1045	utf8::decode $login;	1684	utf8::decode $login;
1046	push @logins, $login;	1685	push @logins, $login;
1047	}	1686	}
1048		1687
…		…
1056		1695
1057	=cut	1696	=cut
1058		1697
1059	sub maps($) {	1698	sub maps($) {
1060	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1702
1062	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1063	or return;	1704	or return;
1064		1705
1065	my @paths;	1706	my @paths;
…		…
1067	for (@$files) {	1708	for (@$files) {
1068	utf8::decode $_;	1709	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1711	next unless /^$PATH_SEP/o;
1071		1712
1072	s/\.map$//;	1713	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1714	}
1075		1715
1076	\@paths	1716	\@paths
1077	}	1717	}
1078		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1080		1724
1081	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1082		1726
1083	=cut	1727	=cut
1084		1728
1085	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1087		1731
1088	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1733	}
1092		1734
1093	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1094		1775
1095	=back	1776	=back
1096
1097		1777
1098	=head3 cf::map	1778	=head3 cf::map
1099		1779
1100	=over 4	1780	=over 4
1101		1781
…		…
1105		1785
1106	use Fcntl;	1786	use Fcntl;
1107	use Coro::AIO;	1787	use Coro::AIO;
1108		1788
1109	use overload	1789	use overload
1110	'""' => \&as_string;	1790	'""' => \&as_string,
		1791	fallback => 1;
1111		1792
1112	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1114		1795
1115	sub generate_random_map {	1796	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1800
1118	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1802	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1814	)
1132	}	1815	}
1133		1816
		1817	=item cf::map->register ($regex, $prio)
		1818
		1819	Register a handler for the map path matching the given regex at the
		1820	givne priority (higher is better, built-in handlers have priority 0, the
		1821	default).
		1822
		1823	=cut
		1824
1134	sub register {	1825	sub register {
1135	my (undef, $regex) = @_;	1826	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1827	my $pkg = caller;
1137		1828
1138	no strict;	1829	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1830	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1831
1141	$EXT_MAP{$pkg} = qr<$regex>;	1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1833	}
1143		1834
1144	# also paths starting with '/'	1835	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
1146		1847
1147	sub normalise {	1848	sub normalise {
1148	my ($path, $base) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
1149		1854
1150	# map plan:	1855	# map plan:
1151	#	1856	#
1152	# /! non-realised random map exit (special hack!)	1857	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1858	# {... are special paths that are not being touched
…		…
1181		1886
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1888
1184	$path = normalise $path, $base;	1889	$path = normalise $path, $base;
1185		1890
1186	for my $pkg (keys %EXT_MAP) {	1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1893	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1894	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1191	return $self;	1896	return $self;
1192	}	1897	}
1193	}	1898	}
1194		1899
1195	Carp::carp "unable to resolve path '$path'.";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1901	()
1197	}	1902	}
1198		1903
1199	sub init {	1904	sub init {
1200	my ($self) = @_;	1905	my ($self) = @_;
…		…
1215		1920
1216	# the original (read-only) location	1921	# the original (read-only) location
1217	sub load_path {	1922	sub load_path {
1218	my ($self) = @_;	1923	my ($self) = @_;
1219		1924
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1925	"$MAPDIR/$self->{path}.map"
1221	}	1926	}
1222		1927
1223	# the temporary/swap location	1928	# the temporary/swap location
1224	sub save_path {	1929	sub save_path {
1225	my ($self) = @_;	1930	my ($self) = @_;
1226		1931
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1933	"$TMPDIR/$path.map"
1229	}	1934	}
1230		1935
1231	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1232	sub uniq_path {	1937	sub uniq_path {
1233	my ($self) = @_;	1938	my ($self) = @_;
1234		1939
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1941	"$UNIQUEDIR/$path"
1237	}	1942	}
1238		1943
1239	# and all this just because we cannot iterate over	1944	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1945	my ($self) = @_;
1243		1946
1244	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1246	}	1950	}
1247		1951
1248	sub unlink_save {	1952	sub unlink_save {
1249	my ($self) = @_;	1953	my ($self) = @_;
1250		1954
1251	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1958	}
1255		1959
1256	sub load_header_from($) {	1960	sub load_header_from($) {
1257	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1258		1962
1259	utf8::encode $path;	1963	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1261	or return;	1965	or return;
1262		1966
1263	$self->_load_header ($path)	1967	$self->_load_header ($f)
1264	or return;	1968	or return;
1265		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1266	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1267		1974
1268	1	1975	1
1269	}	1976	}
1270		1977
1271	sub load_orig {	1978	sub load_header_orig {
1272	my ($self) = @_;	1979	my ($self) = @_;
1273		1980
1274	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1275	}	1982	}
1276		1983
1277	sub load_temp {	1984	sub load_header_temp {
1278	my ($self) = @_;	1985	my ($self) = @_;
1279		1986
1280	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1281	}	2007	}
1282		2008
1283	sub load_header {	2009	sub load_header {
1284	my ($self) = @_;	2010	my ($self) = @_;
1285		2011
1286	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2014	} else {
1293	$self->load_orig	2015	$self->load_header_orig
1294	or return;	2016	or return;
1295		2017	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1301		2025
1302	1	2026	1
1303	}	2027	}
1304		2028
1305	sub find;	2029	sub find;
1306	sub find {	2030	sub find {
1307	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1308		2032
1309	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1310		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2037
1313	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1316	or return;	2040	or return;
1317		2041
1318	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1319		2043
1320	$map->load_header	2044	$map->load_header
1321	or return;	2045	or return;
1322		2046
1323	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1324	$map->reset;	2052	$map->reset;
1325	undef $guard;
1326	$map = find $path	2053	return find $path;
1327	or return;
1328	}	2054	}
1329		2055
1330	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1331	}	2057	}
1332	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1333		2062
1334	sub load {	2063	sub load {
1335	my ($self) = @_;	2064	my ($self) = @_;
1336		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1337	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1339		2072
		2073	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2075
1342	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1343		2077
1344	$self->alloc;	2078	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1346	or return;	2086	or return;
1347		2087
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1349	if delete $self->{load_original};	2089	if delete $self->{load_original};
1350		2090
1351	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2092	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2095	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1356	}	2099	}
1357	}	2100	}
1358		2101
1359	Coro::cede;	2102	$f->resolve_delayed_derefs;
1360		2103
		2104	cf::cede_to_tick;
1361	# now do the right thing for maps	2105	# now do the right thing for maps
1362	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2108	unless $self->difficulty;
1372	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1373	$self->activate;	2116	$self->activate;
1374	}	2117	}
1375		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2123	}
1378		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2131	sub customise_for {
1380	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1381		2133
1382	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2135	if $self->per_player;
1384		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1385	$self	2140	$self
1386	}	2141	}
1387		2142
1388	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2144	sub load_neighbours {
1390	my ($map) = @_;	2145	my ($map) = @_;
1391		2146
1392	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1393		2148
1394	for (0 .. 3) {	2149	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1396	or next;	2151	or next;
1397	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1398	or next;	2153	or next;
1399	$neigh->load;	2154	$neigh->load;
1400		2155
		2156	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2159	}
1404		2160
1405	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1407	or next;	2164	or next;
1408	$neigh->load;	2165	$neigh->load;
1409	}	2166	}
1410	}	2167	}
1411		2168
…		…
1416	}	2173	}
1417		2174
1418	sub do_load_sync {	2175	sub do_load_sync {
1419	my ($map) = @_;	2176	my ($map) = @_;
1420		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1421	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1422	}	2182	}
1423		2183
1424	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2185	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2186
1438	sub find_async {	2187	sub find_async {
1439	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1440		2189
1441	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1442		2191
1443	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
1445	}	2211	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2212	$MAP_PREFETCHER->prio (6);
1449		2213
1450	()	2214	()
1451	}	2215	}
1452		2216
1453	sub save {	2217	sub save {
1454	my ($self) = @_;	2218	my ($self) = @_;
1455		2219
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2221
1458	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1459		2223
1460	return unless $self->dirty;	2224	return unless $self->dirty;
1461		2225
…		…
1467	return if $self->{deny_save};	2231	return if $self->{deny_save};
1468		2232
1469	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1470		2234
1471	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1473	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1474		2241
1475	if ($uniq) {	2242	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2245	} else {
…		…
1484	my ($self) = @_;	2251	my ($self) = @_;
1485		2252
1486	# save first because save cedes	2253	# save first because save cedes
1487	$self->save;	2254	$self->save;
1488		2255
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2257
1491	return if $self->players;	2258	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2260	return if $self->{deny_save};
1494		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2266	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2267	}
1498		2268
1499	sub reset_at {	2269	sub reset_at {
1500	my ($self) = @_;	2270	my ($self) = @_;
1501		2271
1502	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1505		2274
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2277
…		…
1513	my ($self) = @_;	2282	my ($self) = @_;
1514		2283
1515	$self->reset_at <= $cf::RUNTIME	2284	$self->reset_at <= $cf::RUNTIME
1516	}	2285	}
1517		2286
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2287	sub reset {
1533	my ($self) = @_;	2288	my ($self) = @_;
1534		2289
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2291
1537	return if $self->players;	2292	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2293
1540	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
		2295
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# need to save uniques path
		2299	unless ($self->{deny_save}) {
		2300	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2301
		2302	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2303	if $uniq;
		2304	}
1541		2305
1542	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1543		2307
1544	$self->in_memory (cf::MAP_SWAPPED);	2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2310	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2311
1549	$self->unlink_save;	2312	$self->unlink_save;
1550	$self->destroy;	2313	$self->destroy;
1551	}	2314	}
1552		2315
1553	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1554		2317
1555	sub nuke {	2318	sub nuke {
1556	my ($self) = @_;	2319	my ($self) = @_;
1557		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	delete $cf::MAP{$self->path};
		2325
		2326	$self->unlink_save;
		2327
		2328	bless $self, "cf::map";
		2329	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2333
		2334	$cf::MAP{$self->path} = $self;
		2335	}
		2336
1561	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1562	}	2374	}
1563		2375
1564	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1565		2377
1566	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2379	instantiated unique items. May block.
1568		2380
1569	=cut	2381	=cut
1570		2382
1571	sub unique_maps() {	2383	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2384	[
1573	or return;	2385	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2386	utf8::decode $_;
1579	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
		2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
		2392	]
		2393	}
1581		2394
		2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
1582	s/\.map$//;	2416	s/\.map$// or next;
1583	push @paths, $_;	2417	utf8::decode $_;
1584	}	2418	push @maps, "$dir/$_";
		2419	}
1585		2420
1586	\@paths	2421	push @dirs, map "$dir/$_", @$dirs;
1587	}	2422	}
1588		2423
1589	package cf;	2424	\@maps
		2425	}
1590		2426
1591	=back	2427	=back
1592		2428
1593	=head3 cf::object	2429	=head3 cf::object
1594		2430
…		…
1598		2434
1599	=over 4	2435	=over 4
1600		2436
1601	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1602		2438
1603	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1604		2441
1605	=cut	2442	=cut
1606		2443
1607	sub inv_recursive_;	2444	sub inv_recursive_;
1608	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1611		2448
1612	sub inv_recursive {	2449	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1614	}	2451	}
1615		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1616	package cf;	2481	package cf;
1617		2482
1618	=back	2483	=back
1619		2484
1620	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1629		2494
1630	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1631		2510
1632	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2512	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1637		2516
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2518
1640	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1642	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1645	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1646	}	2544	}
1647		2545
1648	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1649		2547
1650	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1663		2561
1664	=item $player_object->enter_link	2562	=item $player_object->enter_link
1665		2563
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2565
1668	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1670		2570
1671	Will never block.	2571	Will never block.
1672		2572
1673	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1674		2574
…		…
1682	=cut	2582	=cut
1683		2583
1684	sub link_map {	2584	sub link_map {
1685	unless ($LINK_MAP) {	2585	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2586	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2587	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2588	$LINK_MAP->load;
1689	}	2589	}
1690		2590
1691	$LINK_MAP	2591	$LINK_MAP
1692	}	2592	}
…		…
1697	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1698		2598
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2600
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1703		2603
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2605	}
1706		2606
1707	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1709		2611
1710	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1711		2613
1712	unless ($map) {	2614	unless ($map) {
1713	# restore original map position	2615	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1726		2628
1727	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1730		2632
1731	$map->load;	2633	$map->load;
1732	$map->load_diag;	2634	$map->load_neighbours;
1733		2635
1734	return unless $self->contr->active;	2636	return unless $self->contr->active;
		2637
		2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2642	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}	2643	}
1738		2644
1739	cf::player->attach (	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2646
1743	# abort map switching before logout	2647	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2648	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2650	the new (success) or old (failed) map position. In either case, $done will
1747	};	2651	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2652
1753	# try to abort aborted map switching on player login :)	2653	Note that $check will be called with a potentially non-loaded map, so if
1754	# should happen only on crashes	2654	it needs a loaded map it has to call C<< ->load >>.
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2655
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1774		2659
1775	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2665
1778	$self->enter_link;	2666	$self->enter_link;
1779		2667
1780	(async {	2668	(async {
1781	my $map = cf::map::find $path;	2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
		2690	my $map = eval {
		2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
1783		2695	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2696	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
1788		2699
		2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
		2706	}
		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1790	})->prio (1);	2714	})->prio (1);
1791	}	2715	}
1792		2716
1793	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1794		2718
…		…
1796		2720
1797	sub parse_random_map_params {	2721	sub parse_random_map_params {
1798	my ($spec) = @_;	2722	my ($spec) = @_;
1799		2723
1800	my $rmp = { # defaults	2724	my $rmp = { # defaults
1801	xsize => 10,	2725	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2726	ysize => (cf::rndm 15, 40),
		2727	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2728	#layout => string,
1803	};	2729	};
1804		2730
1805	for (split /\n/, $spec) {	2731	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2732	my ($k, $v) = split /\s+/, $_, 2;
1807		2733
…		…
1819	# that depends on the exit object	2745	# that depends on the exit object
1820		2746
1821	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
1822		2748
1823	if ($exit->map) {	2749	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2750	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
1828	}	2756	}
1829		2757
1830	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
1831		2759
1832	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
		2762	my $meta = "$RANDOMDIR/$md5.meta";
1834		2763
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
		2766	undef $fh;
		2767	aio_rename "$meta~", $meta;
1837		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
1840	}	2775	}
1841	}	2776	}
1842		2777
1843	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
1847		2782
1848	$self->enter_link;	2783	$self->enter_link;
1849		2784
1850	(async {	2785	(async {
1851	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
1852	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
1853	prepare_random_map $exit	2795	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2796	if $exit->slaying eq "/!";
		2797	}
1855		2798
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
1858		2802
		2803	$self->goto ($map, $x, $y);
		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
1859	1;	2809	1
1860	}) {	2810	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2815
1866	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2817	$self->leave_link;
1868	}	2818	}
1869	})->prio (1);	2819	})->prio (1);
…		…
1882		2832
1883	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
1885		2835
1886	utf8::encode $text;	2836	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2838	}
1889		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
		3027	=item $client->ext_msg ($type, @msg)
		3028
		3029	Sends an ext event to the client.
		3030
		3031	=cut
		3032
		3033	sub cf::client::ext_msg($$@) {
		3034	my ($self, $type, @msg) = @_;
		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
		3039	push @msg, msgtype => "event_$type";
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
		3060	}
1890		3061
1891	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
1892		3063
1893	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3067
1897	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3069	become reliable at some point in the future.
1899		3070
1900	=cut	3071	=cut
1901		3072
1902	sub cf::client::query {	3073	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3082	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3084
1914	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
1916	}	3089	}
1917		3090
1918	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
1919	on_reply => sub {	3097	on_reply => sub {
1920	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
1921		3099
1922	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
1923	# get handled first	3101	# get handled first
1924	my $queue = delete $ns->{query_queue}	3102	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3103	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3104
1927	(shift @$queue)->[1]->($msg);	3105	(shift @$queue)->[1]->($msg);
		3106	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3107
1929	push @{ $ns->{query_queue} }, @$queue;	3108	push @{ $ns->{query_queue} }, @$queue;
1930		3109
1931	if (@{ $ns->{query_queue} } == @$queue) {	3110	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3111	if (@$queue) {
…		…
1934	} else {	3113	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3115	}
1937	}	3116	}
1938	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
1939	);	3144	);
1940		3145
1941	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
1942		3147
1943	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3164
1960	$coro	3165	$coro
1961	}	3166	}
1962		3167
1963	cf::client->attach (	3168	cf::client->attach (
1964	on_destroy => sub {	3169	on_client_destroy => sub {
1965	my ($ns) = @_;	3170	my ($ns) = @_;
1966		3171
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3173	},
1969	);	3174	);
…		…
1984	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
1986		3191
1987	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
1988		3193
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
1990		3199
1991	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
1992		3201
1993	=pod	3202	=pod
1994		3203
1995	The following fucntions and emthods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
1996		3205
1997	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
1998	cf::object::player player	3211	cf::object::player
1999	cf::player peaceful	3212	player
2000	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2001		3219
2002	=cut	3220	=cut
2003		3221
2004	for (	3222	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2009	) {	3229	) {
2010	no strict 'refs';	3230	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2030		3250
2031	my $qcode = $code;	3251	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2034		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2035	local $_;	3258	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3259
2038	my $eval =	3260	my $eval =
2039	"do {\n"	3261	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3264	. $code
2043	. "\n}"	3265	. "\n}"
2044	;	3266	;
2045		3267
		3268	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2049		3277
2050	if ($@) {	3278	if ($@) {
2051	warn "$@";	3279	warn "$@";
2052	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2053	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2072	=cut	3300	=cut
2073		3301
2074	sub register_script_function {	3302	sub register_script_function {
2075	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2076		3304
2077	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2079	}	3307	}
2080		3308
2081	=back	3309	=back
2082		3310
2083	=cut	3311	=cut
2084		3312
2085	#############################################################################	3313	#############################################################################
		3314	# the server's init and main functions
2086		3315
2087	=head2 EXTENSION DATABASE SUPPORT	3316	sub load_facedata($) {
		3317	my ($path) = @_;
2088		3318
2089	Crossfire maintains a very simple database for extension use. It can	3319	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3320	# for this (global event?)
2091	excludes objects.	3321	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3322
2093	The parameter C<$family> should best start with the name of the extension	3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3324
2096	=over 4	3325	warn "loading facedata from $path\n";
2097		3326
2098	=item $hashref = cf::db_get $family	3327	my $facedata;
		3328	0 < aio_load $path, $facedata
		3329	or die "$path: $!";
2099		3330
2100	Return a hashref for use by the extension C<$family>, which can be	3331	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3332
2104	=item $value = cf::db_get $family => $key	3333	$facedata->{version} == 2
		3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3335
2106	Returns a single value from the database	3336	# patch in the exptable
2107		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3338	$facedata->{resource}{"res/exp_table"} = {
2109		3339	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3340	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3341	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3342	};
		3343	cf::cede_to_tick;
2159		3344
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3345	{
		3346	my $faces = $facedata->{faceinfo};
2164		3347
2165	sub db_get($;$) {	3348	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3350
2171	sub db_put($$;$) {	3351	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3355
2180	cf::global->attach (	3356	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3357	}
2185	);
2186	}
2187		3358
2188	#############################################################################	3359	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3360	next unless $info->{smooth};
2190		3361
2191	sub cfg_load {	3362	my $idx = cf::face::find $face
		3363	or next;
		3364
		3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
		3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3368	} else {
		3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3370	}
		3371
		3372	cf::cede_to_tick;
		3373	}
		3374	}
		3375
		3376	{
		3377	my $anims = $facedata->{animinfo};
		3378
		3379	while (my ($anim, $info) = each %$anims) {
		3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3381	cf::cede_to_tick;
		3382	}
		3383
		3384	cf::anim::invalidate_all; # d'oh
		3385	}
		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
		3406	1
		3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
		3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
		3452	load_resource_file "$MAPDIR/regions"
		3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
		3459	}
		3460
		3461	sub reload_facedata {
		3462	load_facedata "$DATADIR/facedata"
		3463	or die "unable to load facedata\n";
		3464	}
		3465
		3466	sub reload_archetypes {
		3467	load_resource_file "$DATADIR/archetypes"
		3468	or die "unable to load archetypes\n";
		3469	}
		3470
		3471	sub reload_treasures {
		3472	load_resource_file "$DATADIR/treasures"
		3473	or die "unable to load treasurelists\n";
		3474	}
		3475
		3476	sub reload_resources {
		3477	warn "reloading resource files...\n";
		3478
		3479	reload_facedata;
		3480	reload_archetypes;
		3481	reload_regions;
		3482	reload_treasures;
		3483
		3484	warn "finished reloading resource files\n";
		3485	}
		3486
		3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3491	or return;
2194		3492
2195	local $/;	3493	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2197		3495
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3497
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2205	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2206	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2207	};	3505	};
2208	warn $@ if $@;	3506	warn $@ if $@;
2209	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2210	}	3538	}
2211		3539
2212	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2213	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3553	(async {
		3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
		3556	})->prio (Coro::PRIO_MAX);
2217	};	3557	};
2218		3558
2219	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
		3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2221	load_extensions;	3582	load_extensions;
2222	Event::loop;	3583
		3584	utime time, time, $RUNTIMEFILE;
		3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2223	}	3594	}
2224		3595
2225	#############################################################################	3596	#############################################################################
2226	# initialisation and cleanup	3597	# initialisation and cleanup
2227		3598
2228	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2229	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2236	},
2237	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2238	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2239	}	3695	}
2240		3696
2241	sub emergency_save() {	3697	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2243		3699
2244	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2245		3701
2246	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2247	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3716	$pl->save;
2255	}	3717	}
2256	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2257		3719
2258	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3723	$map->valid or next;
2262	$map->save;	3724	$map->save;
2263	}	3725	}
2264	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
		3727
		3728	warn "emergency_perl_save: begin database checkpoint\n";
		3729	BDB::db_env_txn_checkpoint $DB_ENV;
		3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2265	};	3735	};
2266		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2267	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2268	}	3743	}
2269		3744
		3745	sub post_cleanup {
		3746	my ($make_core) = @_;
		3747
		3748	warn Carp::longmess "post_cleanup backtrace"
		3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
		3779	}
		3780
2270	sub reload() {	3781	sub do_reload_perl() {
2271	# can/must only be called in main	3782	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3784	warn "can only reload from main coroutine";
2274	return;	3785	return;
2275	}	3786	}
2276		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2277	warn "reloading...";	3793	warn "reloading...";
2278		3794
2279	warn "freezing server";	3795	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3796
		3797	cf::sync_job {
		3798	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3799	cf::emergency_save;
		3800	cf::write_runtime_sync; # external watchdog should not bark
2282		3801
2283	warn "sync database to disk";	3802	warn "syncing database to disk";
2284	cf::db_sync;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3804
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2289		3806
2290	warn "cancel all watchers";	3807	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3810	}
2315		3811
		3812	warn "cancelling all extension coros";
		3813	$_->cancel for values %EXT_CORO;
		3814	%EXT_CORO = ();
		3815
		3816	warn "removing commands";
		3817	%COMMAND = ();
		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3825	warn "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3826
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2331	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2332	}	3836	}
2333		3837
2334	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2335	}	3853	}
2336		3854
2337	warn "get rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3858
2341	warn "unload cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
		3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3862
2344	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3864	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2347		3866
		3867	warn "unload completed, starting to reload now";
		3868
2348	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2349	require cf;	3870	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2351		3872
2352	warn "load config and database again";	3873	warn "loading config and database again";
2353	cf::cfg_load;	3874	cf::reload_config;
2354	cf::db_load;
2355		3875
2356	warn "load extensions";	3876	warn "loading extensions";
2357	cf::load_extensions;	3877	cf::load_extensions;
2358		3878
		3879	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3881	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3882	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
		3884	warn "reattaching attachments to players";
		3885	reattach $_ for values %PLAYER;
		3886	}
		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
		3891	warn "leaving sync_job";
		3892
		3893	1
		3894	} or do {
		3895	warn $@;
		3896	cf::cleanup "error while reloading, exiting.";
		3897	};
		3898
		3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
		3905	};
		3906
		3907	our $RELOAD_WATCHER; # used only during reload
		3908
		3909	sub reload_perl() {
		3910	# doing reload synchronously and two reloads happen back-to-back,
		3911	# coro crashes during coro_state_free->destroy here.
		3912
		3913	$RELOAD_WATCHER ||= cf::async {
		3914	Coro::AIO::aio_wait cache_extensions;
		3915
		3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3917	do_reload_perl;
		3918	undef $RELOAD_WATCHER;
		3919	};
2363	};	3920	};
2364		3921	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3922
2374	register_command "reload" => sub {	3923	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2376		3925
2377	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
		3930	reload_perl;
		3931	};
2381	}	3932	}
2382	};	3933	};
2383		3934
2384	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2385		3936
2386	$TICK_WATCHER = Event->timer (	3937	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3938
		3939	our @WAIT_FOR_TICK;
		3940	our @WAIT_FOR_TICK_BEGIN;
		3941
		3942	sub wait_for_tick {
		3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3944
		3945	my $signal = new Coro::Signal;
		3946	push @WAIT_FOR_TICK, $signal;
		3947	$signal->wait;
		3948	}
		3949
		3950	sub wait_for_tick_begin {
		3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3952
		3953	my $signal = new Coro::Signal;
		3954	push @WAIT_FOR_TICK_BEGIN, $signal;
		3955	$signal->wait;
		3956	}
		3957
		3958	sub tick {
		3959	if ($Coro::current != $Coro::main) {
		3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3961	unless ++$bug_warning > 10;
		3962	return;
		3963	}
		3964
2394	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3966
2398	$WAIT_FOR_TICK->broadcast;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		3968
2401	# if we are delayed by four ticks or more, skip them all	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		3971	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	3972	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3973	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3975	};
2428	},	3976	}
2429	);	3977
		3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3979	$sig->send;
		3980	}
		3981	while (my $sig = shift @WAIT_FOR_TICK) {
		3982	$sig->send;
		3983	}
		3984
		3985	$LOAD = ($NOW - $TICK_START) / $TICK;
		3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3987
		3988	if (0) {
		3989	if ($NEXT_TICK) {
		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
		3994	}
		3995	}
		3996
		3997	{
		3998	# configure BDB
		3999
		4000	BDB::min_parallel 16;
		4001	BDB::max_poll_reqs $TICK * 0.1;
		4002	$AnyEvent::BDB::WATCHER->priority (1);
		4003
		4004	unless ($DB_ENV) {
		4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4011
		4012	cf::sync_job {
		4013	eval {
		4014	BDB::db_env_open
		4015	$DB_ENV,
		4016	$BDBDIR,
		4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4019	0666;
		4020
		4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4022	};
		4023
		4024	cf::cleanup "db_env_open(db): $@" if $@;
		4025	};
		4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
		4037	}
		4038
		4039	{
		4040	# configure IO::AIO
		4041
		4042	IO::AIO::min_parallel 8;
		4043	IO::AIO::max_poll_time $TICK * 0.1;
		4044	undef $AnyEvent::AIO::WATCHER;
		4045	}
		4046
		4047	my $_log_backtrace;
		4048
		4049	sub _log_backtrace {
		4050	my ($msg, @addr) = @_;
		4051
		4052	$msg =~ s/\n//;
		4053
		4054	# limit the # of concurrent backtraces
		4055	if ($_log_backtrace < 2) {
		4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
		4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
		4061	my @bt = fork_call {
		4062	@addr = map { sprintf "%x", $_ } @addr;
		4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4065	or die "addr2line: $!";
		4066
		4067	my @funcs;
		4068	my @res = <$fh>;
		4069	chomp for @res;
		4070	while (@res) {
		4071	my ($func, $line) = splice @res, 0, 2, ();
		4072	push @funcs, "[$func] $line";
		4073	}
		4074
		4075	@funcs
		4076	};
		4077
		4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4080	LOG llevInfo, "[ABT] $_\n" for @bt;
		4081	--$_log_backtrace;
		4082	};
		4083	} else {
		4084	LOG llevInfo, "[ABT] $msg\n";
		4085	LOG llevInfo, "[ABT] [suppressed]\n";
		4086	}
		4087	}
		4088
		4089	# load additional modules
		4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
2430		4092
2431	END { cf::emergency_save }	4093	END { cf::emergency_save }
2432		4094
2433	1	4095	1
2434		4096

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