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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 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;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	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);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		137
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $REALLY_UNLOOP; # never set to true, please :)
		150
68	binmode STDOUT;	151	binmode STDOUT;
69	binmode STDERR;	152	binmode STDERR;
70		153
71	# read virtual server time, if available	154	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
76	}	159	}
77		160
78	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	162
80	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		165
84	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::"} };
85		180
86	#############################################################################	181	#############################################################################
87		182
88	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
89		184
…		…
96	=item $cf::RUNTIME	191	=item $cf::RUNTIME
97		192
98	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
99	every server tick.	194	every server tick.
100		195
101	=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
102		199
103	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		204
106	=item $cf::NOW	205	=item $cf::NOW
107		206
108	The time of the last (current) server tick.	207	The time of the last (current) server tick.
109		208
110	=item $cf::TICK	209	=item $cf::TICK
111		210
112	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	223	=item %cf::CFG
115		224
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	226	from wherever your confdir points to.
118		227
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		229
121	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
122	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
123	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.
124	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.
125		245
126	=back	246	=back
127		247
128	=cut	248	=cut
129		249
130	BEGIN {	250	$Coro::State::WARNHOOK = sub {
131	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	251	my $msg = join "", @_;
133	utf8::encode $msg;
134		252
135	$msg .= "\n"	253	$msg .= "\n"
136	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
137		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
138	LOG llevError, $msg;	258	LOG llevError, $msg;
139	};	259	};
140	}	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	};
141		274
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		282
149	# 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
150	# within the Safe compartment.	284	# within the Safe compartment.
151	for my $pkg (qw(	285	for my $pkg (qw(
152	cf::global cf::attachable	286	cf::global cf::attachable
153	cf::object cf::object::player	287	cf::object cf::object::player
154	cf::client cf::player	288	cf::client cf::player
155	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
156	cf::map cf::party cf::region	291	cf::party cf::region
157	)) {	292	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	294	}
161		295
162	$Event::DIED = sub {	296	$EV::DIED = sub {
163	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
164	};	298	};
		299
		300	#############################################################################
165		301
166	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
167		303
168	=over 4	304	=over 4
169		305
…		…
188	$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;
189	$d	325	$d
190	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
191	}	327	}
192		328
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
196		330
197	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
198		332
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
207		334
208	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
209		336
210	=cut	337	=cut
211		338
212	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
214	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;
215	}	356	}
216		357
217	=item cf::lock_wait $string	358	=item cf::lock_wait $string
218		359
219	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
220		361
221	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
222		363
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
226	returned.	367	returned.
227		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
228	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
229	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
230		374
231	=cut	375	=item $locked = cf::lock_active $string
232		376
233	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
234		382
235	sub lock_wait($) {	383	sub lock_wait($) {
236	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	385	}
244		386
245	sub lock_acquire($) {	387	sub lock_acquire($) {
246	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
247		390
248	# wait, to be sure we are not locked	391	sub lock_active($) {
249	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	393	}
258		394
259	sub freeze_mainloop {	395	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
261		397
262	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	399	}
264	$guard	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 timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
265	}	481	}
266		482
267	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
268		484
269	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		490
275	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
276		492
277	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
278		494
279	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
282		499
283	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
286	fast or be very important.	503	fast or be very important.
…		…
289		506
290	sub sync_job(&) {	507	sub sync_job(&) {
291	my ($job) = @_;	508	my ($job) = @_;
292		509
293	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
294	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
296		515
297	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	517
299	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
300		519
301	my $busy = 1;	520	my $busy = 1;
302	my @res;	521	my @res;
303		522
304	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	525	@res = eval { $job->() };
306	warn $@ if $@;	526	warn $@ if $@;
307	undef $busy;	527	undef $busy;
308	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
309		529
310	while ($busy) {	530	while ($busy) {
311	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
312	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
313		541
314	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
315	} else {	543	} else {
316	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
317		545
…		…
337	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
338		566
339	$coro	567	$coro
340	}	568	}
341		569
342	sub write_runtime {	570	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		571
345	my $runtime = cf::localdir . "/runtime";	572	Executes the given code block with the given arguments in a seperate
		573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
346		576
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
348	or return;
349		578
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	579	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	580	my ($cb, @args) = @_;
352	and return;
353		581
354	aio_fsync $fh	582	# we seemingly have to make a local copy of the whole thing,
355	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
356		585
357	close $fh	586	my @res = Coro::Util::fork_eval {
358	or return;	587	reset_signals;
		588	&$cb
		589	}, @args;
359		590
360	aio_rename "$runtime~", $runtime	591	wantarray ? @res : $res[-1]
361	and return;	592	}
362		593
		594	=item $coin = coin_from_name $name
		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
363	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
		746	}
		747
		748	=item cf::datalog type => key => value, ...
		749
		750	Log a datalog packet of the given type with the given key-value pairs.
		751
		752	=cut
		753
		754	sub datalog($@) {
		755	my ($type, %kv) = @_;
		756	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	757	}
365		758
366	=back	759	=back
367		760
368	=cut	761	=cut
369		762
370	#############################################################################	763	#############################################################################
371		764
372	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
373		766
374	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
375	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
377		770
378	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	773	Deliantra).
381		774
382	=over 4	775	=over 4
383		776
384	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
385		778
…		…
429	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
430		823
431	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
433		826
434	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
435	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
436		829
437	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
438		831
439	=over 4	832	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	892	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	893	our @CB_MAP = ();
501		894
502	my %attachment;	895	my %attachment;
503		896
		897	sub cf::attachable::thawer_merge {
		898	# simply override everything except _meta
		899	local $_[0]{_meta};
		900	%{$_[0]} = %{$_[1]};
		901	}
		902
504	sub _attach_cb($$$$) {	903	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	904	my ($registry, $event, $prio, $cb) = @_;
506		905
507	use sort 'stable';	906	use sort 'stable';
508		907
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
543		942
544	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		947
549	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	949	my $pkg = shift @arg;
551		950
552	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
582	}	981	}
583		982
584	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
585	} else {	984	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	986	}
588		987
589	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
590	}	989	}
591		990
…		…
593	if (ref $_[0]) {	992	if (ref $_[0]) {
594	_object_attach @_;	993	_object_attach @_;
595	} else {	994	} else {
596	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
597	}	996	}
		997	_recalc_want;
598	};	998	};
599		999
600	# all those should be optimised	1000	# all those should be optimised
601	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
606	reattach ($obj);	1006	reattach ($obj);
607	} else {	1007	} else {
608	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
609	}	1009	}
		1010	_recalc_want;
610	};	1011	};
611		1012
612	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
614		1015
…		…
629	";	1030	";
630	die if $@;	1031	die if $@;
631	}	1032	}
632		1033
633	our $override;	1034	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1036
636	sub override {	1037	sub override {
637	$override = 1;	1038	$override = 1;
638	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
639	}	1040	}
640		1041
641	sub do_invoke {	1042	sub do_invoke {
642	my $event = shift;	1043	my $event = shift;
643	my $callbacks = shift;	1044	my $callbacks = shift;
644		1045
645	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
646		1047
647	local $override;	1048	local $override;
648		1049
649	for (@$callbacks) {	1050	for (@$callbacks) {
650	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
659	}	1060	}
660		1061
661	0	1062	0
662	}	1063	}
663		1064
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1066
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1068
668	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
669		1070
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1074
674	=back	1075	=back
675		1076
676	=cut	1077	=cut
677		1078
678	#############################################################################	1079	#############################################################################
679	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
680		1123
681	sub reattach {	1124	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1126	my ($obj) = @_;
		1127
		1128	# no longer needed after getting rid of delete_package?
		1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1130
685	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
686		1132
687	@$registry = ();	1133	@$registry = ();
688		1134
…		…
703	cf::attachable->attach (	1149	cf::attachable->attach (
704	prio => -1000000,	1150	prio => -1000000,
705	on_instantiate => sub {	1151	on_instantiate => sub {
706	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
707		1153
708	$data = from_json $data;	1154	$data = decode_json $data;
709		1155
710	for (@$data) {	1156	for (@$data) {
711	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
712		1158
713	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1175	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
731		1177
732	sync_job {	1178	sync_job {
733	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
736		1183
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;
740	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
741	close $fh;	1191	aio_close $fh;
742		1192
743	if (@$objs) {	1193	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 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;
748	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
749	close $fh;	1202	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
751	}	1204	}
752	} else {	1205	} else {
753	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
754	}	1207	}
755		1208
756	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1213	} else {
758	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
759	}	1215	}
760	} else {	1216	} else {
761	aio_unlink $filename;	1217	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
763	}	1219	}
764	}	1220	};
765	}	1221	}
766		1222
767	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
769		1225
…		…
781	or return;	1237	or return;
782		1238
783	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
785	or return;	1241	or return;
		1242
786	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
787	}	1245	}
788		1246
		1247	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
791	return ($data, $av);	1251	($data, $av)
792	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
793		1259
794	#############################################################################	1260	#############################################################################
795	# command handling &c	1261	# command handling &c
796		1262
797	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1277	}
812		1278
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1280
815	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
816		1286
817	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
818	called.	1288	called.
819		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
820	=cut	1301	=cut
821		1302
822	sub register_extcmd {	1303	sub register_extcmd {
823	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
824		1305
825	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
826	}	1307	}
827		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
828	cf::player->attach (	1317	cf::player->attach (
829	on_command => sub {	1318	on_unknown_command => sub {
830	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
831		1320
832	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
833	or return;	1322	or return;
834		1323
…		…
839	cf::override;	1328	cf::override;
840	},	1329	},
841	on_extcmd => sub {	1330	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
843		1332
844	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1334
846	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
852	} else {	1350	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1352	}
855		1353
856	cf::override;	1354	cf::override;
857	},	1355	},
858	);	1356	);
859		1357
		1358	# "readahead" all extensions
860	sub load_extension {	1359	sub cache_extensions {
861	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
862		1361
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1365	}
888	die $@;
889	}	1366	};
890		1367
891	push @EXTS, $pkg;	1368	$grp
892	}	1369	}
893		1370
894	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
895	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1376	next unless -r $path;
897	eval {	1377
898	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
899	1	1438	}
900	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
901	}	1449	};
902	}	1450	}
903		1451
904	#############################################################################	1452	#############################################################################
905	# load/save/clean perl data associated with a map
906		1453
907	*cf::mapsupport::on_clean = sub {	1454	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1455
920	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
921		1457
922	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
923		1459
924	=cut	1460	=cut
925		1461
926	package cf::player;	1462	package cf::player;
927		1463
…		…
929		1465
930	=head3 cf::player	1466	=head3 cf::player
931		1467
932	=over 4	1468	=over 4
933		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
934	=item cf::player::find $login	1484	=item cf::player::find $login
935		1485
936	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
937		1487
938	=cut	1488	=cut
939		1489
940	sub playerdir($) {	1490	sub playerdir($) {
941	cf::localdir	1491	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1493	}
947		1494
948	sub path($) {	1495	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1497
951	(playerdir $login) . "/$login.pl"	1498	(playerdir $login) . "/playerdata"
952	}	1499	}
953		1500
954	sub find_active($) {	1501	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1502	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1503	and $cf::PLAYER{$_[0]}->active
…		…
959		1506
960	sub exists($) {	1507	sub exists($) {
961	my ($login) = @_;	1508	my ($login) = @_;
962		1509
963	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1511	or !aio_stat path $login
965	}	1512	}
966		1513
967	sub find($) {	1514	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1516	my $login = $_[0];
970		1517
971	my $guard = cf::lock_acquire "user_find:$login";	1518	my $guard = cf::lock_acquire "user_find:$login";
972		1519
973	$cf::PLAYER{$_[0]} || do {	1520	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1521	# rename old playerfiles to new ones
		1522	#TODO: remove when no longer required
		1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1526	aio_unlink +(playerdir $login) . "/$login.pl";
		1527
		1528	my $f = new_from_file cf::object::thawer path $login
975	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
977	}	1537	}
978	}	1538	}
979	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
980		1553
981	sub save($) {	1554	sub save($) {
982	my ($pl) = @_;	1555	my ($pl) = @_;
983		1556
984	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
989	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
990		1563
991	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
993		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
994	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
995	Coro::cede;	1573	cf::cede_to_tick;
996	}	1574	}
997		1575
998	sub new($) {	1576	sub new($) {
999	my ($login) = @_;	1577	my ($login) = @_;
1000		1578
…		…
1006	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1007		1585
1008	$self	1586	$self
1009	}	1587	}
1010		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1011	=item $pl->quit_character	1599	=item $pl->quit_character
1012		1600
1013	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1015		1603
1016	=cut	1604	=cut
1017		1605
1018	sub quit_character {	1606	sub quit_character {
1019	my ($pl) = @_;	1607	my ($pl) = @_;
1020		1608
		1609	my $name = $pl->ob->name;
		1610
1021	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1613
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1028		1620
1029	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1623	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1624	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1625	$pl->destroy;
		1626
		1627	my $prefix = qr<^~\Q$name\E/>;
		1628
		1629	# nuke player maps
		1630	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1631
1034	IO::AIO::aio_rmtree $temp;	1632	IO::AIO::aio_rmtree $temp;
		1633	}
		1634
		1635	=item $pl->kick
		1636
		1637	Kicks a player out of the game. This destroys the connection.
		1638
		1639	=cut
		1640
		1641	sub kick {
		1642	my ($pl, $kicker) = @_;
		1643
		1644	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1645	$pl->killer ("kicked");
		1646	$pl->ns->destroy;
1035	}	1647	}
1036		1648
1037	=item cf::player::list_logins	1649	=item cf::player::list_logins
1038		1650
1039	Returns am arrayref of all valid playernames in the system, can take a	1651	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1652	while and may block, so not sync_job-capable, ever.
1041		1653
1042	=cut	1654	=cut
1043		1655
1044	sub list_logins {	1656	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1657	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1658	or return [];
1047		1659
1048	my @logins;	1660	my @logins;
1049		1661
1050	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1054		1672
1055	utf8::decode $login;	1673	utf8::decode $login;
1056	push @logins, $login;	1674	push @logins, $login;
1057	}	1675	}
1058		1676
…		…
1066		1684
1067	=cut	1685	=cut
1068		1686
1069	sub maps($) {	1687	sub maps($) {
1070	my ($pl) = @_;	1688	my ($pl) = @_;
		1689
		1690	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1691
1072	my $files = aio_readdir playerdir $pl	1692	my $files = aio_readdir playerdir $pl
1073	or return;	1693	or return;
1074		1694
1075	my @paths;	1695	my @paths;
…		…
1077	for (@$files) {	1697	for (@$files) {
1078	utf8::decode $_;	1698	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1699	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1081		1701
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1702	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1703	}
1084		1704
1085	\@paths	1705	\@paths
1086	}	1706	}
1087		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1089		1713
1090	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1091		1715
1092	=cut	1716	=cut
1093		1717
1094	sub ext_reply($$$%) {	1718	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1096		1720
1097	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1722	}
1101		1723
1102	package cf;	1724	=item $player->ext_msg ($type, @msg)
		1725
		1726	Sends an ext event to the client.
		1727
		1728	=cut
		1729
		1730	sub ext_msg($$@) {
		1731	my ($self, $type, @msg) = @_;
		1732
		1733	$self->ns->ext_msg ($type, @msg);
		1734	}
		1735
		1736	=head3 cf::region
		1737
		1738	=over 4
		1739
		1740	=cut
		1741
		1742	package cf::region;
		1743
		1744	=item cf::region::find_by_path $path
		1745
		1746	Tries to decuce the likely region for a map knowing only its path.
		1747
		1748	=cut
		1749
		1750	sub find_by_path($) {
		1751	my ($path) = @_;
		1752
		1753	my ($match, $specificity);
		1754
		1755	for my $region (list) {
		1756	if ($region->{match} && $path =~ $region->{match}) {
		1757	($match, $specificity) = ($region, $region->specificity)
		1758	if $region->specificity > $specificity;
		1759	}
		1760	}
		1761
		1762	$match
		1763	}
1103		1764
1104	=back	1765	=back
1105
1106		1766
1107	=head3 cf::map	1767	=head3 cf::map
1108		1768
1109	=over 4	1769	=over 4
1110		1770
…		…
1114		1774
1115	use Fcntl;	1775	use Fcntl;
1116	use Coro::AIO;	1776	use Coro::AIO;
1117		1777
1118	use overload	1778	use overload
1119	'""' => \&as_string;	1779	'""' => \&as_string,
		1780	fallback => 1;
1120		1781
1121	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1123		1784
1124	sub generate_random_map {	1785	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1789
1127	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1791	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1801	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1802	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1803	)
1141	}	1804	}
1142		1805
		1806	=item cf::map->register ($regex, $prio)
		1807
		1808	Register a handler for the map path matching the given regex at the
		1809	givne priority (higher is better, built-in handlers have priority 0, the
		1810	default).
		1811
		1812	=cut
		1813
1143	sub register {	1814	sub register {
1144	my (undef, $regex) = @_;	1815	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1816	my $pkg = caller;
1146		1817
1147	no strict;	1818	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1819	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1820
1150	$EXT_MAP{$pkg} = qr<$regex>;	1821	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1822	}
1152		1823
1153	# also paths starting with '/'	1824	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1825	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1826
		1827	sub thawer_merge {
		1828	my ($self, $merge) = @_;
		1829
		1830	# we have to keep some variables in memory intact
		1831	local $self->{path};
		1832	local $self->{load_path};
		1833
		1834	$self->SUPER::thawer_merge ($merge);
		1835	}
1155		1836
1156	sub normalise {	1837	sub normalise {
1157	my ($path, $base) = @_;	1838	my ($path, $base) = @_;
		1839
		1840	$path = "$path"; # make sure its a string
		1841
		1842	$path =~ s/\.map$//;
1158		1843
1159	# map plan:	1844	# map plan:
1160	#	1845	#
1161	# /! non-realised random map exit (special hack!)	1846	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1847	# {... are special paths that are not being touched
…		…
1190		1875
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1876	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1877
1193	$path = normalise $path, $base;	1878	$path = normalise $path, $base;
1194		1879
1195	for my $pkg (keys %EXT_MAP) {	1880	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1881	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1882	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1883	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1200	return $self;	1885	return $self;
1201	}	1886	}
1202	}	1887	}
1203		1888
1204	Carp::carp "unable to resolve path '$path'.";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1890	()
1206	}	1891	}
1207		1892
1208	sub init {	1893	sub init {
1209	my ($self) = @_;	1894	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1905	# the displayed name, this is a one way mapping
1221	sub visible_name {	1906	sub visible_name {
1222	&as_string	1907	&as_string
1223	}	1908	}
1224		1909
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1910	# the original (read-only) location
1233	sub load_path {	1911	sub load_path {
1234	my ($self) = @_;	1912	my ($self) = @_;
1235		1913
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1914	"$MAPDIR/$self->{path}.map"
1237	}	1915	}
1238		1916
1239	# the temporary/swap location	1917	# the temporary/swap location
1240	sub save_path {	1918	sub save_path {
1241	my ($self) = @_;	1919	my ($self) = @_;
1242		1920
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1922	"$TMPDIR/$path.map"
1244	}	1923	}
1245		1924
1246	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1247	sub uniq_path {	1926	sub uniq_path {
1248	my ($self) = @_;	1927	my ($self) = @_;
1249		1928
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1930	"$UNIQUEDIR/$path"
1251	}	1931	}
1252		1932
1253	# and all this just because we cannot iterate over	1933	sub decay_objects {
1254	# all maps in C++...
1255	sub change_all_map_light {
1256	my ($change) = @_;	1934	my ($self) = @_;
1257		1935
1258	$_->change_map_light ($change)	1936	return if $self->{deny_reset};
1259	for grep $_->outdoor, values %cf::MAP;	1937
		1938	$self->do_decay_objects;
1260	}	1939	}
1261		1940
1262	sub unlink_save {	1941	sub unlink_save {
1263	my ($self) = @_;	1942	my ($self) = @_;
1264		1943
1265	utf8::encode (my $save = $self->save_path);	1944	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1946	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1947	}
1269		1948
1270	sub load_header_from($) {	1949	sub load_header_from($) {
1271	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1272		1951
1273	utf8::encode $path;	1952	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1275	or return;	1954	or return;
1276		1955
1277	$self->_load_header ($path)	1956	$self->_load_header ($f)
1278	or return;	1957	or return;
1279		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
		1961
1280	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1281		1963
1282	1	1964	1
1283	}	1965	}
1284		1966
1285	sub load_orig {	1967	sub load_header_orig {
1286	my ($self) = @_;	1968	my ($self) = @_;
1287		1969
1288	$self->load_header_from ($self->load_path)	1970	$self->load_header_from ($self->load_path)
1289	}	1971	}
1290		1972
1291	sub load_temp {	1973	sub load_header_temp {
1292	my ($self) = @_;	1974	my ($self) = @_;
1293		1975
1294	$self->load_header_from ($self->save_path)	1976	$self->load_header_from ($self->save_path)
		1977	}
		1978
		1979	sub prepare_temp {
		1980	my ($self) = @_;
		1981
		1982	$self->last_access ((delete $self->{last_access})
		1983	|| $cf::RUNTIME); #d#
		1984	# safety
		1985	$self->{instantiate_time} = $cf::RUNTIME
		1986	if $self->{instantiate_time} > $cf::RUNTIME;
		1987	}
		1988
		1989	sub prepare_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->{load_original} = 1;
		1993	$self->{instantiate_time} = $cf::RUNTIME;
		1994	$self->last_access ($cf::RUNTIME);
		1995	$self->instantiate;
1295	}	1996	}
1296		1997
1297	sub load_header {	1998	sub load_header {
1298	my ($self) = @_;	1999	my ($self) = @_;
1299		2000
1300	if ($self->load_temp) {	2001	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2002	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2003	} else {
1307	$self->load_orig	2004	$self->load_header_orig
1308	or return;	2005	or return;
1309		2006	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2007	}
		2008
		2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
		2011
		2012	$self->default_region (cf::region::find_by_path $self->{path})
		2013	unless $self->default_region;
1315		2014
1316	1	2015	1
1317	}	2016	}
1318		2017
1319	sub find;	2018	sub find;
1320	sub find {	2019	sub find {
1321	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1322		2021
1323	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1324		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1326		2026
1327	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";
1329	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1330	or return;	2029	or return;
1331		2030
1332	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1333		2032
1334	$map->load_header	2033	$map->load_header
1335	or return;	2034	or return;
1336		2035
1337	if ($map->should_reset) {	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2037	# doing this can freeze the server in a sync job, obviously
		2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1338	$map->reset;	2041	$map->reset;
1339	undef $guard;
1340	$map = find $path	2042	return find $path;
1341	or return;
1342	}	2043	}
1343		2044
1344	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1345	}	2046	}
1346	}	2047	}
		2048
		2049	sub pre_load { }
		2050	#sub post_load { } # XS
1347		2051
1348	sub load {	2052	sub load {
1349	my ($self) = @_;	2053	my ($self) = @_;
1350		2054
		2055	local $self->{deny_reset} = 1; # loading can take a long time
		2056
1351	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1353		2061
		2062	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2064
1356	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1357		2066
1358	$self->alloc;	2067	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2068
		2069	$self->pre_load;
		2070	cf::cede_to_tick;
		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1360	or return;	2075	or return;
1361		2076
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1363	if delete $self->{load_original};	2078	if delete $self->{load_original};
1364		2079
1365	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2081	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2084	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1370	}	2088	}
1371	}	2089	}
1372		2090
1373	Coro::cede;	2091	$f->resolve_delayed_derefs;
1374		2092
		2093	cf::cede_to_tick;
1375	# now do the right thing for maps	2094	# now do the right thing for maps
1376	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2097	unless $self->difficulty;
1386	Coro::cede;	2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1387	$self->activate;	2105	$self->activate;
1388	}	2106	}
1389		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1391	}	2112	}
1392		2113
		2114	$self->post_load;
		2115	}
		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1393	sub customise_for {	2120	sub customise_for {
1394	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1395		2122
1396	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2124	if $self->per_player;
1398		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
1399	$self	2129	$self
1400	}	2130	}
1401		2131
1402	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2133	sub load_neighbours {
1404	my ($map) = @_;	2134	my ($map) = @_;
1405		2135
1406	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1407		2137
1408	for (0 .. 3) {	2138	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1410	or next;	2140	or next;
1411	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1412	or next;	2142	or next;
1413	$neigh->load;	2143	$neigh->load;
1414		2144
		2145	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2148	}
1418		2149
1419	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1421	or next;	2153	or next;
1422	$neigh->load;	2154	$neigh->load;
1423	}	2155	}
1424	}	2156	}
1425		2157
…		…
1430	}	2162	}
1431		2163
1432	sub do_load_sync {	2164	sub do_load_sync {
1433	my ($map) = @_;	2165	my ($map) = @_;
1434		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1435	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1436	}	2171	}
1437		2172
1438	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2174	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2175
1452	sub find_async {	2176	sub find_async {
1453	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1454		2178
1455	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1456		2180
1457	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2183	}
		2184
		2185	$MAP_PREFETCH{$path} |= $load;
		2186
		2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
		2190	while (%MAP_PREFETCH) {
		2191	while (my ($k, $v) = each %MAP_PREFETCH) {
		2192	if (my $map = find $k) {
		2193	$map->load if $v;
		2194	}
		2195
		2196	delete $MAP_PREFETCH{$k};
		2197	}
		2198	}
		2199	undef $MAP_PREFETCHER;
1459	}	2200	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2201	$MAP_PREFETCHER->prio (6);
1463		2202
1464	()	2203	()
1465	}	2204	}
1466		2205
1467	sub save {	2206	sub save {
1468	my ($self) = @_;	2207	my ($self) = @_;
1469		2208
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2210
1472	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1473		2212
1474	return unless $self->dirty;	2213	return unless $self->dirty;
1475		2214
…		…
1481	return if $self->{deny_save};	2220	return if $self->{deny_save};
1482		2221
1483	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1484		2223
1485	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1487	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1488		2230
1489	if ($uniq) {	2231	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2234	} else {
…		…
1498	my ($self) = @_;	2240	my ($self) = @_;
1499		2241
1500	# save first because save cedes	2242	# save first because save cedes
1501	$self->save;	2243	$self->save;
1502		2244
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2246
1505	return if $self->players;	2247	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2249	return if $self->{deny_save};
1508		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2255	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2256	}
1512		2257
1513	sub reset_at {	2258	sub reset_at {
1514	my ($self) = @_;	2259	my ($self) = @_;
1515		2260
1516	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1519		2263
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2266
…		…
1527	my ($self) = @_;	2271	my ($self) = @_;
1528		2272
1529	$self->reset_at <= $cf::RUNTIME	2273	$self->reset_at <= $cf::RUNTIME
1530	}	2274	}
1531		2275
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2276	sub reset {
1547	my ($self) = @_;	2277	my ($self) = @_;
1548		2278
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2280
1551	return if $self->players;	2281	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2282
1554	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
		2284
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# need to save uniques path
		2288	unless ($self->{deny_save}) {
		2289	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2290
		2291	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2292	if $uniq;
		2293	}
1555		2294
1556	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1557		2296
		2297	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2298	$_->clear_links_to ($self) for values %cf::MAP;
		2299	$self->clear;
1559		2300
1560	$self->unlink_save;	2301	$self->unlink_save;
1561	$self->destroy;	2302	$self->destroy;
1562	}	2303	}
1563		2304
1564	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1565		2306
1566	sub nuke {	2307	sub nuke {
1567	my ($self) = @_;	2308	my ($self) = @_;
1568		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
		2313	delete $cf::MAP{$self->path};
		2314
		2315	$self->unlink_save;
		2316
		2317	bless $self, "cf::map";
		2318	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2322
		2323	$cf::MAP{$self->path} = $self;
		2324	}
		2325
1572	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
		2327	}
		2328
		2329	=item $maps = cf::map::tmp_maps
		2330
		2331	Returns an arrayref with all map paths of currently instantiated and saved
		2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
		2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1573	}	2363	}
1574		2364
1575	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1576		2366
1577	Returns an arrayref of paths of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2368	instantiated unique items. May block.
1579		2369
1580	=cut	2370	=cut
1581		2371
1582	sub unique_maps() {	2372	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2373	[
1584	or return;	2374	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2375	utf8::decode $_;
1590	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2378	? ()
1593	push @paths, $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2381	]
1595
1596	\@paths
1597	}	2382	}
1598		2383
1599	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1600		2415
1601	=back	2416	=back
1602		2417
1603	=head3 cf::object	2418	=head3 cf::object
1604		2419
…		…
1608		2423
1609	=over 4	2424	=over 4
1610		2425
1611	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1612		2427
1613	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1614		2430
1615	=cut	2431	=cut
1616		2432
1617	sub inv_recursive_;	2433	sub inv_recursive_;
1618	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1621		2437
1622	sub inv_recursive {	2438	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1624	}	2440	}
1625		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1626	package cf;	2470	package cf;
1627		2471
1628	=back	2472	=back
1629		2473
1630	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1639		2483
1640	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1641		2499
1642	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2501	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1647		2505
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2507
1650	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1652	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1655	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1656	}	2533	}
1657		2534
1658	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1659		2536
1660	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1673		2550
1674	=item $player_object->enter_link	2551	=item $player_object->enter_link
1675		2552
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2554
1678	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1680		2559
1681	Will never block.	2560	Will never block.
1682		2561
1683	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1684		2563
…		…
1692	=cut	2571	=cut
1693		2572
1694	sub link_map {	2573	sub link_map {
1695	unless ($LINK_MAP) {	2574	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2575	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2576	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2577	$LINK_MAP->load;
1699	}	2578	}
1700		2579
1701	$LINK_MAP	2580	$LINK_MAP
1702	}	2581	}
…		…
1707	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1708		2587
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2589
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1713		2592
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2594	}
1716		2595
1717	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1719		2600
1720	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1721		2602
1722	unless ($map) {	2603	unless ($map) {
1723	# restore original map position	2604	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1736		2617
1737	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1740		2621
1741	$map->load;	2622	$map->load;
1742	$map->load_diag;	2623	$map->load_neighbours;
1743		2624
1744	return unless $self->contr->active;	2625	return unless $self->contr->active;
		2626
		2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2628	$self->enter_map ($map, $x, $y);
		2629
		2630	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2631	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2632	}
1748		2633
1749	cf::player->attach (	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2635
1753	# abort map switching before logout	2636	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2637	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2639	the new (success) or old (failed) map position. In either case, $done will
1757	};	2640	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2641
1763	# try to abort aborted map switching on player login :)	2642	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2643	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2644
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2645	=cut
		2646
		2647	our $GOTOGEN;
1784		2648
1785	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
		2651
		2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2654
1788	$self->enter_link;	2655	$self->enter_link;
1789		2656
1790	(async {	2657	(async {
1791	my $map = cf::map::find $path;	2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
		2679	my $map = eval {
		2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
1793		2684	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2685	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
1798		2688
		2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
		2695	}
		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1800	})->prio (1);	2703	})->prio (1);
1801	}	2704	}
1802		2705
1803	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1804		2707
…		…
1806		2709
1807	sub parse_random_map_params {	2710	sub parse_random_map_params {
1808	my ($spec) = @_;	2711	my ($spec) = @_;
1809		2712
1810	my $rmp = { # defaults	2713	my $rmp = { # defaults
1811	xsize => 10,	2714	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2715	ysize => (cf::rndm 15, 40),
		2716	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2717	#layout => string,
1813	};	2718	};
1814		2719
1815	for (split /\n/, $spec) {	2720	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2721	my ($k, $v) = split /\s+/, $_, 2;
1817		2722
…		…
1829	# that depends on the exit object	2734	# that depends on the exit object
1830		2735
1831	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
1832		2737
1833	if ($exit->map) {	2738	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2739	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1838	}	2745	}
1839		2746
1840	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1841		2748
1842	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
		2751	my $meta = "$RANDOMDIR/$md5.meta";
1844		2752
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
		2755	undef $fh;
		2756	aio_rename "$meta~", $meta;
1847		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
1850	}	2764	}
1851	}	2765	}
1852		2766
1853	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
1857		2771
1858	$self->enter_link;	2772	$self->enter_link;
1859		2773
1860	(async {	2774	(async {
1861	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
1862	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
1863	prepare_random_map $exit	2784	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2785	if $exit->slaying eq "/!";
		2786	}
1865		2787
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
1868		2791
		2792	$self->goto ($map, $x, $y);
		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
1869	1;	2798	1
1870	}) {	2799	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2804
1876	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2806	$self->leave_link;
1878	}	2807	}
1879	})->prio (1);	2808	})->prio (1);
…		…
1892		2821
1893	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
1895		2824
1896	utf8::encode $text;	2825	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2827	}
1899		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
		3016	=item $client->ext_msg ($type, @msg)
		3017
		3018	Sends an ext event to the client.
		3019
		3020	=cut
		3021
		3022	sub cf::client::ext_msg($$@) {
		3023	my ($self, $type, @msg) = @_;
		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
		3028	push @msg, msgtype => "event_$type";
		3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
		3049	}
1900		3050
1901	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
1902		3052
1903	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		3056
1907	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	3058	become reliable at some point in the future.
1909		3059
1910	=cut	3060	=cut
1911		3061
1912	sub cf::client::query {	3062	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	3071	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		3073
1924	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
1926	}	3078	}
1927		3079
1928	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
1929	on_reply => sub {	3086	on_reply => sub {
1930	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
1931		3088
1932	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
1933	# get handled first	3090	# get handled first
1934	my $queue = delete $ns->{query_queue}	3091	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3092	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3093
1937	(shift @$queue)->[1]->($msg);	3094	(shift @$queue)->[1]->($msg);
		3095	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3096
1939	push @{ $ns->{query_queue} }, @$queue;	3097	push @{ $ns->{query_queue} }, @$queue;
1940		3098
1941	if (@{ $ns->{query_queue} } == @$queue) {	3099	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3100	if (@$queue) {
…		…
1944	} else {	3102	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3104	}
1947	}	3105	}
1948	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
1949	);	3133	);
1950		3134
1951	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
1952		3136
1953	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
1969		3153
1970	$coro	3154	$coro
1971	}	3155	}
1972		3156
1973	cf::client->attach (	3157	cf::client->attach (
1974	on_destroy => sub {	3158	on_client_destroy => sub {
1975	my ($ns) = @_;	3159	my ($ns) = @_;
1976		3160
1977	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1978	},	3162	},
1979	);	3163	);
…		…
1994	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
1996		3180
1997	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
1998		3182
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2000		3188
2001	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2002		3190
2003	=pod	3191	=pod
2004		3192
2005	The following fucntions and emthods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2006		3194
2007	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2008	cf::object::player player	3200	cf::object::player
2009	cf::player peaceful	3201	player
2010	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2011		3208
2012	=cut	3209	=cut
2013		3210
2014	for (	3211	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2016	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2018	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2019	) {	3218	) {
2020	no strict 'refs';	3219	no strict 'refs';
2021	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2022	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2040		3239
2041	my $qcode = $code;	3240	my $qcode = $code;
2042	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2043	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2044		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2045	local $_;	3247	local $_;
2046	local @safe::cf::_safe_eval_args = values %vars;
2047		3248
2048	my $eval =	3249	my $eval =
2049	"do {\n"	3250	"do {\n"
2050	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2051	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2052	. $code	3253	. $code
2053	. "\n}"	3254	. "\n}"
2054	;	3255	;
2055		3256
		3257	if ($CFG{safe_eval}) {
2056	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2057	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2058	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2059		3266
2060	if ($@) {	3267	if ($@) {
2061	warn "$@";	3268	warn "$@";
2062	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2063	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2082	=cut	3289	=cut
2083		3290
2084	sub register_script_function {	3291	sub register_script_function {
2085	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2086		3293
2087	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2088	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2089	}	3296	}
2090		3297
2091	=back	3298	=back
2092		3299
2093	=cut	3300	=cut
2094		3301
2095	#############################################################################	3302	#############################################################################
		3303	# the server's init and main functions
2096		3304
2097	=head2 EXTENSION DATABASE SUPPORT	3305	sub load_facedata($) {
		3306	my ($path) = @_;
2098		3307
2099	Crossfire maintains a very simple database for extension use. It can	3308	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3309	# for this (global event?)
2101	excludes objects.	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3311
2103	The parameter C<$family> should best start with the name of the extension	3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3313
2106	=over 4	3314	warn "loading facedata from $path\n";
2107		3315
2108	=item $hashref = cf::db_get $family	3316	my $facedata;
		3317	0 < aio_load $path, $facedata
		3318	or die "$path: $!";
2109		3319
2110	Return a hashref for use by the extension C<$family>, which can be	3320	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3321
2114	=item $value = cf::db_get $family => $key	3322	$facedata->{version} == 2
		3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3324
2116	Returns a single value from the database	3325	# patch in the exptable
2117		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2118	=item cf::db_put $family => $hashref	3327	$facedata->{resource}{"res/exp_table"} = {
2119		3328	type => FT_RSRC,
2120	Stores the given family hashref into the database. Updates are delayed, if	3329	data => $exp_table,
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3330	hash => (Digest::MD5::md5 $exp_table),
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3331	};
		3332	cf::cede_to_tick;
2169		3333
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3334	{
		3335	my $faces = $facedata->{faceinfo};
2174		3336
2175	sub db_get($;$) {	3337	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3339
2181	sub db_put($$;$) {	3340	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3341	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2184	} else {	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3344
2190	cf::global->attach (	3345	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3346	}
2195	);
2196	}
2197		3347
2198	#############################################################################	3348	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3349	next unless $info->{smooth};
2200		3350
2201	sub cfg_load {	3351	my $idx = cf::face::find $face
		3352	or next;
		3353
		3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
		3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3357	} else {
		3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3359	}
		3360
		3361	cf::cede_to_tick;
		3362	}
		3363	}
		3364
		3365	{
		3366	my $anims = $facedata->{animinfo};
		3367
		3368	while (my ($anim, $info) = each %$anims) {
		3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3370	cf::cede_to_tick;
		3371	}
		3372
		3373	cf::anim::invalidate_all; # d'oh
		3374	}
		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
		3395	1
		3396	}
		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
		3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
		3450	sub reload_facedata {
		3451	load_facedata "$DATADIR/facedata"
		3452	or die "unable to load facedata\n";
		3453	}
		3454
		3455	sub reload_archetypes {
		3456	load_resource_file "$DATADIR/archetypes"
		3457	or die "unable to load archetypes\n";
		3458	}
		3459
		3460	sub reload_treasures {
		3461	load_resource_file "$DATADIR/treasures"
		3462	or die "unable to load treasurelists\n";
		3463	}
		3464
		3465	sub reload_resources {
		3466	warn "reloading resource files...\n";
		3467
		3468	reload_facedata;
		3469	reload_archetypes;
		3470	reload_regions;
		3471	reload_treasures;
		3472
		3473	warn "finished reloading resource files\n";
		3474	}
		3475
		3476	sub reload_config {
		3477	warn "reloading config file...\n";
		3478
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3480	or return;
2204		3481
2205	local $/;	3482	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2207		3484
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3486
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2215	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2216	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2217	};	3494	};
2218	warn $@ if $@;	3495	warn $@ if $@;
2219	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2220	}	3527	}
2221		3528
2222	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2223	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3547	(async {
		3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
		3550	})->prio (Coro::PRIO_MAX);
2227	};	3551	};
2228		3552
2229	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
		3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2231	load_extensions;	3571	load_extensions;
2232	Event::loop;	3572
		3573	utime time, time, $RUNTIMEFILE;
		3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2233	}	3583	}
2234		3584
2235	#############################################################################	3585	#############################################################################
2236	# initialisation and cleanup	3586	# initialisation and cleanup
2237		3587
2238	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2239	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2246	},
2247	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2248	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2249	}	3684	}
2250		3685
2251	sub emergency_save() {	3686	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2253		3688
2254	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2255		3690
2256	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2257	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2261	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3705	$pl->save;
2265	}	3706	}
2266	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2267		3708
2268	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2269	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2270	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3712	$map->valid or next;
2272	$map->save;	3713	$map->save;
2273	}	3714	}
2274	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
		3716
		3717	warn "emergency_perl_save: begin database checkpoint\n";
		3718	BDB::db_env_txn_checkpoint $DB_ENV;
		3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2275	};	3724	};
2276		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2277	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2278	}	3732	}
2279		3733
		3734	sub post_cleanup {
		3735	my ($make_core) = @_;
		3736
		3737	warn Carp::longmess "post_cleanup backtrace"
		3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
		3768	}
		3769
2280	sub reload() {	3770	sub do_reload_perl() {
2281	# can/must only be called in main	3771	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3773	warn "can only reload from main coroutine";
2284	return;	3774	return;
2285	}	3775	}
2286		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2287	warn "reloading...";	3782	warn "reloading...";
2288		3783
2289	warn "freezing server";	3784	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3785
		3786	cf::sync_job {
		3787	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3788	cf::emergency_save;
		3789	cf::write_runtime_sync; # external watchdog should not bark
2292		3790
2293	warn "sync database to disk";	3791	warn "syncing database to disk";
2294	cf::db_sync;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3793
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2299		3795
2300	warn "cancel all watchers";	3796	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3799	}
2325		3800
		3801	warn "cancelling all extension coros";
		3802	$_->cancel for values %EXT_CORO;
		3803	%EXT_CORO = ();
		3804
		3805	warn "removing commands";
		3806	%COMMAND = ();
		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3814	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3815
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2341	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2342	}	3825	}
2343		3826
2344	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2345	}	3842	}
2346		3843
2347	warn "get rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3847
2351	warn "unload cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
		3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2353		3851
2354	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3853	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2357		3855
		3856	warn "unload completed, starting to reload now";
		3857
2358	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2359	require cf;	3859	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2361		3861
2362	warn "load config and database again";	3862	warn "loading config and database again";
2363	cf::cfg_load;	3863	cf::reload_config;
2364	cf::db_load;
2365		3864
2366	warn "load extensions";	3865	warn "loading extensions";
2367	cf::load_extensions;	3866	cf::load_extensions;
2368		3867
		3868	if ($REATTACH_ON_RELOAD) {
2369	warn "reattach attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3870	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3871	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
		3873	warn "reattaching attachments to players";
		3874	reattach $_ for values %PLAYER;
		3875	}
		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
		3880	warn "leaving sync_job";
		3881
		3882	1
		3883	} or do {
		3884	warn $@;
		3885	cf::cleanup "error while reloading, exiting.";
		3886	};
		3887
		3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
		3894	};
		3895
		3896	our $RELOAD_WATCHER; # used only during reload
		3897
		3898	sub reload_perl() {
		3899	# doing reload synchronously and two reloads happen back-to-back,
		3900	# coro crashes during coro_state_free->destroy here.
		3901
		3902	$RELOAD_WATCHER ||= cf::async {
		3903	Coro::AIO::aio_wait cache_extensions;
		3904
		3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3906	do_reload_perl;
		3907	undef $RELOAD_WATCHER;
		3908	};
2373	};	3909	};
2374		3910	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3911
2384	register_command "reload" => sub {	3912	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2386		3914
2387	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
		3919	reload_perl;
		3920	};
2391	}	3921	}
2392	};	3922	};
2393		3923
2394	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2395		3925
2396	$TICK_WATCHER = Event->timer (	3926	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3927
		3928	our @WAIT_FOR_TICK;
		3929	our @WAIT_FOR_TICK_BEGIN;
		3930
		3931	sub wait_for_tick {
		3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3933
		3934	my $signal = new Coro::Signal;
		3935	push @WAIT_FOR_TICK, $signal;
		3936	$signal->wait;
		3937	}
		3938
		3939	sub wait_for_tick_begin {
		3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3941
		3942	my $signal = new Coro::Signal;
		3943	push @WAIT_FOR_TICK_BEGIN, $signal;
		3944	$signal->wait;
		3945	}
		3946
		3947	sub tick {
		3948	if ($Coro::current != $Coro::main) {
		3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3950	unless ++$bug_warning > 10;
		3951	return;
		3952	}
		3953
2404	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3955
2408	$WAIT_FOR_TICK->broadcast;	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2410		3957
2411	# if we are delayed by four ticks or more, skip them all	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2413		3960	Coro::async_pool {
2414	$TICK_WATCHER->at ($NEXT_TICK);	3961	$Coro::current->{desc} = "runtime saver";
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3962	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3964	};
2438	},	3965	}
2439	);	3966
		3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3968	$sig->send;
		3969	}
		3970	while (my $sig = shift @WAIT_FOR_TICK) {
		3971	$sig->send;
		3972	}
		3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
		3985
		3986	{
		3987	# configure BDB
		3988
		3989	BDB::min_parallel 16;
		3990	BDB::max_poll_reqs $TICK * 0.1;
		3991	$AnyEvent::BDB::WATCHER->priority (1);
		3992
		3993	unless ($DB_ENV) {
		3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4000
		4001	cf::sync_job {
		4002	eval {
		4003	BDB::db_env_open
		4004	$DB_ENV,
		4005	$BDBDIR,
		4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4008	0666;
		4009
		4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4011	};
		4012
		4013	cf::cleanup "db_env_open(db): $@" if $@;
		4014	};
		4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
		4026	}
		4027
		4028	{
		4029	# configure IO::AIO
		4030
		4031	IO::AIO::min_parallel 8;
		4032	IO::AIO::max_poll_time $TICK * 0.1;
		4033	undef $AnyEvent::AIO::WATCHER;
		4034	}
		4035
		4036	my $_log_backtrace;
		4037
		4038	sub _log_backtrace {
		4039	my ($msg, @addr) = @_;
		4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
		4076	}
		4077
		4078	# load additional modules
		4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2440		4081
2441	END { cf::emergency_save }	4082	END { cf::emergency_save }
2442		4083
2443	1	4084	1
2444		4085

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