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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 2007 UTC vs.
Revision 1.524 by root, Sun Apr 18 07:08:07 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 3.4 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	118	our $NEXT_TICK;
52	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
70	binmode STDOUT;	151	binmode STDOUT;
71	binmode STDERR;	152	binmode STDERR;
72		153
73	# read virtual server time, if available	154	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
78	}	159	}
79		160
80	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	162
82	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		165
86	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		184
88	#############################################################################	185	#############################################################################
89		186
90	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
91		188
…		…
98	=item $cf::RUNTIME	195	=item $cf::RUNTIME
99		196
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	198	every server tick.
102		199
103	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		203
105	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
107		208
108	=item $cf::NOW	209	=item $cf::NOW
109		210
110	The time of the last (current) server tick.	211	The time of the last (current) server tick.
111		212
112	=item $cf::TICK	213	=item $cf::TICK
113		214
114	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
115		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
116	=item %cf::CFG	227	=item %cf::CFG
117		228
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	230	from wherever your confdir points to.
120		231
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		233
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
127		249
128	=back	250	=back
129		251
130	=cut	252	=cut
131		253
132	BEGIN {	254	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	255	my $msg = join "", @_;
135	utf8::encode $msg;
136		256
137	$msg .= "\n"	257	$msg .= "\n"
138	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
139		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
140	LOG llevError, $msg;	262	LOG llevError, $msg;
141	};	263	};
142	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
143		278
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		286
151	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	288	# within the Safe compartment.
153	for my $pkg (qw(	289	for my $pkg (qw(
154	cf::global cf::attachable	290	cf::global cf::attachable
155	cf::object cf::object::player	291	cf::object cf::object::player
156	cf::client cf::player	292	cf::client cf::player
157	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
158	cf::map cf::party cf::region	295	cf::party cf::region
159	)) {	296	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	298	}
163		299
164	$Event::DIED = sub {	300	$EV::DIED = sub {
165	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
166	};	302	};
		303
		304	#############################################################################
167		305
168	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
169		307
170	=over 4	308	=over 4
171		309
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	329	$d
192	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
193	}	331	}
194		332
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
198		334
199	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
200		336
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
209		338
210	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
211		340
212	=cut	341	=cut
213		342
214	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
216	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
217	}	360	}
218		361
219	=item cf::lock_wait $string	362	=item cf::lock_wait $string
220		363
221	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
222		365
223	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
224		367
225	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
228	returned.	371	returned.
229		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
230	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
232		378
233	=cut	379	=item $locked = cf::lock_active $string
234		380
235	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
236		386
237	sub lock_wait($) {	387	sub lock_wait($) {
238	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	389	}
246		390
247	sub lock_acquire($) {	391	sub lock_acquire($) {
248	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
249		394
250	# wait, to be sure we are not locked	395	sub lock_active($) {
251	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	397	}
260		398
261	sub freeze_mainloop {	399	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
263		401
264	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	403	}
266	$WRITE_RUNTIME_WATCHER->start;	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
267	};	469	}
268	$WRITE_RUNTIME_WATCHER->stop;	470	};
269	$TICK_WATCHER->stop;	471
270	$guard	472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
271	}	485	}
272		486
273	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
274		488
275	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		494
281	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
282		496
283	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
284		498
285	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
288		503
289	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
292	fast or be very important.	507	fast or be very important.
…		…
295		510
296	sub sync_job(&) {	511	sub sync_job(&) {
297	my ($job) = @_;	512	my ($job) = @_;
298		513
299	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
300	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
302		519
303	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	521
305	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
306		523
307	my $busy = 1;	524	my $busy = 1;
308	my @res;	525	my @res;
309		526
310	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	529	@res = eval { $job->() };
312	warn $@ if $@;	530	warn $@ if $@;
313	undef $busy;	531	undef $busy;
314	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
315		533
316	while ($busy) {	534	while ($busy) {
317	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
318	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
319		545
320	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
321	} else {	547	} else {
322	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
323		549
…		…
343	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
344		570
345	$coro	571	$coro
346	}	572	}
347		573
348	sub write_runtime {	574	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		575
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
352	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
353		580
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		582
358	aio_fsync $fh	583	sub fork_call(&@) {
359	and return;	584	my ($cb, @args) = @_;
360		585
361	close $fh	586	# we seemingly have to make a local copy of the whole thing,
362	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
363		589
364	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
365	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
366		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
367	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	772	}
369		773
370	=back	774	=back
371		775
372	=cut	776	=cut
373		777
374	#############################################################################	778	#############################################################################
375		779
376	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
377		781
378	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
381		785
382	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	788	Deliantra).
385		789
386	=over 4	790	=over 4
387		791
388	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
389		793
…		…
433	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
434		838
435	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
437		841
438	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
440		844
441	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
442		846
443	=over 4	847	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
553		957
554	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		962
559	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	964	my $pkg = shift @arg;
561		965
562	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
592	}	996	}
593		997
594	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
595	} else {	999	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	1001	}
598		1002
599	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
600	}	1004	}
601		1005
…		…
603	if (ref $_[0]) {	1007	if (ref $_[0]) {
604	_object_attach @_;	1008	_object_attach @_;
605	} else {	1009	} else {
606	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
607	}	1011	}
		1012	_recalc_want;
608	};	1013	};
609		1014
610	# all those should be optimised	1015	# all those should be optimised
611	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1021	reattach ($obj);
617	} else {	1022	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
619	}	1024	}
		1025	_recalc_want;
620	};	1026	};
621		1027
622	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
624		1030
…		…
639	";	1045	";
640	die if $@;	1046	die if $@;
641	}	1047	}
642		1048
643	our $override;	1049	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1051
646	sub override {	1052	sub override {
647	$override = 1;	1053	$override = 1;
648	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
649	}	1055	}
650		1056
651	sub do_invoke {	1057	sub do_invoke {
652	my $event = shift;	1058	my $event = shift;
653	my $callbacks = shift;	1059	my $callbacks = shift;
654		1060
655	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
656		1062
657	local $override;	1063	local $override;
658		1064
659	for (@$callbacks) {	1065	for (@$callbacks) {
660	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
669	}	1075	}
670		1076
671	0	1077	0
672	}	1078	}
673		1079
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1081
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1083
678	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
679		1085
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1089
684	=back	1090	=back
685		1091
686	=cut	1092	=cut
687		1093
688	#############################################################################	1094	#############################################################################
689	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
690		1138
691	sub reattach {	1139	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1141	my ($obj) = @_;
694		1142
		1143	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1145
697	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
698		1147
699	@$registry = ();	1148	@$registry = ();
700		1149
…		…
715	cf::attachable->attach (	1164	cf::attachable->attach (
716	prio => -1000000,	1165	prio => -1000000,
717	on_instantiate => sub {	1166	on_instantiate => sub {
718	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
719		1168
720	$data = from_json $data;	1169	$data = decode_json $data;
721		1170
722	for (@$data) {	1171	for (@$data) {
723	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
724		1173
725	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1190	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
743		1192
744	sync_job {	1193	sync_job {
745	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
748		1198
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
753	close $fh;	1206	aio_close $fh;
754		1207
755	if (@$objs) {	1208	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
761	close $fh;	1217	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
763	}	1219	}
764	} else {	1220	} else {
765	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
766	}	1222	}
767		1223
768	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1228	} else {
770	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
771	}	1230	}
772	} else {	1231	} else {
773	aio_unlink $filename;	1232	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
775	}	1234	}
776	}	1235	};
777	}	1236	}
778		1237
779	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
781		1240
…		…
793	or return;	1252	or return;
794		1253
795	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
797	or return;	1256	or return;
		1257
798	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
799	}	1260	}
800		1261
		1262	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
803	return ($data, $av);	1266	($data, $av)
804	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
805		1274
806	#############################################################################	1275	#############################################################################
807	# command handling &c	1276	# command handling &c
808		1277
809	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1292	}
824		1293
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1295
827	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
828		1301
829	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
830	called.	1303	called.
831		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
832	=cut	1316	=cut
833		1317
834	sub register_extcmd {	1318	sub register_extcmd {
835	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
836		1320
837	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
838	}	1322	}
839		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
840	cf::player->attach (	1332	cf::player->attach (
841	on_command => sub {	1333	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
843		1335
844	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
845	or return;	1337	or return;
846		1338
…		…
851	cf::override;	1343	cf::override;
852	},	1344	},
853	on_extcmd => sub {	1345	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
855		1347
856	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1349
858	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
864	} else {	1365	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1367	}
867		1368
868	cf::override;	1369	cf::override;
869	},	1370	},
870	);	1371	);
871		1372
		1373	# "readahead" all extensions
872	sub load_extension {	1374	sub cache_extensions {
873	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
874		1376
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1380	}
900	die $@;
901	}	1381	};
902		1382
903	push @EXTS, $pkg;	1383	$grp
904	}	1384	}
905		1385
906	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
907	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1391	next unless -r $path;
909	eval {	1392
910	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
911	1	1456	}
912	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
913	}	1467	};
914	}	1468	}
915		1469
916	#############################################################################	1470	#############################################################################
917		1471
		1472	=back
		1473
918	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
919		1475
920	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
921		1477
922	=cut	1478	=cut
923		1479
924	package cf::player;	1480	package cf::player;
925		1481
…		…
927		1483
928	=head3 cf::player	1484	=head3 cf::player
929		1485
930	=over 4	1486	=over 4
931		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
932	=item cf::player::find $login	1502	=item cf::player::find $login
933		1503
934	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
935		1505
936	=cut	1506	=cut
937		1507
938	sub playerdir($) {	1508	sub playerdir($) {
939	cf::localdir	1509	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1511	}
945		1512
946	sub path($) {	1513	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1515
949	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
950	}	1517	}
951		1518
952	sub find_active($) {	1519	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
957		1524
958	sub exists($) {	1525	sub exists($) {
959	my ($login) = @_;	1526	my ($login) = @_;
960		1527
961	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
963	}	1530	}
964		1531
965	sub find($) {	1532	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1534	my $login = $_[0];
968		1535
969	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
970		1537
971	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
973	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
975	}	1555	}
976	}	1556	}
977	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
978		1571
979	sub save($) {	1572	sub save($) {
980	my ($pl) = @_;	1573	my ($pl) = @_;
981		1574
982	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
988		1581
989	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
991		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
992	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
993	Coro::cede;	1591	cf::cede_to_tick;
994	}	1592	}
995		1593
996	sub new($) {	1594	sub new($) {
997	my ($login) = @_;	1595	my ($login) = @_;
998		1596
…		…
1004	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1005		1603
1006	$self	1604	$self
1007	}	1605	}
1008		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1009	=item $pl->quit_character	1617	=item $pl->quit_character
1010		1618
1011	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1013		1621
1014	=cut	1622	=cut
1015		1623
1016	sub quit_character {	1624	sub quit_character {
1017	my ($pl) = @_;	1625	my ($pl) = @_;
1018		1626
		1627	my $name = $pl->ob->name;
		1628
1019	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1631
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1026		1638
1027	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1032	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1033	}	1665	}
1034		1666
1035	=item cf::player::list_logins	1667	=item cf::player::list_logins
1036		1668
1037	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1039		1671
1040	=cut	1672	=cut
1041		1673
1042	sub list_logins {	1674	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1676	or return [];
1045		1677
1046	my @logins;	1678	my @logins;
1047		1679
1048	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1052		1690
1053	utf8::decode $login;	1691	utf8::decode $login;
1054	push @logins, $login;	1692	push @logins, $login;
1055	}	1693	}
1056		1694
1057	\@logins	1695	\@logins
1058	}	1696	}
1059		1697
1060	=item $player->maps	1698	=item $player->maps
1061		1699
		1700	=item cf::player::maps $login
		1701
1062	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1063	player. May block.	1703	player. May block.
1064		1704
1065	=cut	1705	=cut
1066		1706
1067	sub maps($) {	1707	sub maps($) {
1068	my ($pl) = @_;	1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1711
1070	my $files = aio_readdir playerdir $pl	1712	my $files = aio_readdir playerdir $pl
1071	or return;	1713	or return;
1072		1714
1073	my @paths;	1715	my @paths;
…		…
1075	for (@$files) {	1717	for (@$files) {
1076	utf8::decode $_;	1718	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1719	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1720	next unless /^$PATH_SEP/o;
1079		1721
1080	s/\.map$//;	1722	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1723	}
1083		1724
1084	\@paths	1725	\@paths
1085	}	1726	}
1086		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1088		1733
1089	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1090		1735
1091	=cut	1736	=cut
1092		1737
1093	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1095		1740
1096	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1742	}
1100		1743
1101	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1102		1786
1103	=back	1787	=back
1104
1105		1788
1106	=head3 cf::map	1789	=head3 cf::map
1107		1790
1108	=over 4	1791	=over 4
1109		1792
…		…
1122	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1123		1806
1124	sub generate_random_map {	1807	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
1126		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1127	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1813	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1825	)
1141	}	1826	}
1142		1827
		1828	=item cf::map->register ($regex, $prio)
		1829
		1830	Register a handler for the map path matching the given regex at the
		1831	givne priority (higher is better, built-in handlers have priority 0, the
		1832	default).
		1833
		1834	=cut
		1835
1143	sub register {	1836	sub register {
1144	my (undef, $regex) = @_;	1837	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1838	my $pkg = caller;
1146		1839
1147	no strict;	1840	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1841	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1842
1150	$EXT_MAP{$pkg} = qr<$regex>;	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1844	}
1152		1845
1153	# also paths starting with '/'	1846	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1155		1848
1156	sub thawer_merge {	1849	sub thawer_merge {
1157	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1158		1851
1159	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1160	local $self->{path};	1853	local $self->{path};
1161	local $self->{load_path};	1854	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1855
1165	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1166	}	1857	}
1167		1858
1168	sub normalise {	1859	sub normalise {
1169	my ($path, $base) = @_;	1860	my ($path, $base) = @_;
		1861
		1862	$path = "$path"; # make sure its a string
		1863
		1864	$path =~ s/\.map$//;
1170		1865
1171	# map plan:	1866	# map plan:
1172	#	1867	#
1173	# /! non-realised random map exit (special hack!)	1868	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1869	# {... are special paths that are not being touched
…		…
1202		1897
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1898	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1899
1205	$path = normalise $path, $base;	1900	$path = normalise $path, $base;
1206		1901
1207	for my $pkg (keys %EXT_MAP) {	1902	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1903	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1904	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1905	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1212	return $self;	1907	return $self;
1213	}	1908	}
1214	}	1909	}
1215		1910
1216	Carp::carp "unable to resolve path '$path'.";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1912	()
1218	}	1913	}
1219		1914
1220	sub init {	1915	sub init {
1221	my ($self) = @_;	1916	my ($self) = @_;
…		…
1236		1931
1237	# the original (read-only) location	1932	# the original (read-only) location
1238	sub load_path {	1933	sub load_path {
1239	my ($self) = @_;	1934	my ($self) = @_;
1240		1935
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1242	}	1937	}
1243		1938
1244	# the temporary/swap location	1939	# the temporary/swap location
1245	sub save_path {	1940	sub save_path {
1246	my ($self) = @_;	1941	my ($self) = @_;
1247		1942
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1250	}	1945	}
1251		1946
1252	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1253	sub uniq_path {	1948	sub uniq_path {
1254	my ($self) = @_;	1949	my ($self) = @_;
1255		1950
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1258	}	1953	}
1259		1954
1260	# and all this just because we cannot iterate over	1955	sub decay_objects {
1261	# all maps in C++...
1262	sub change_all_map_light {
1263	my ($change) = @_;	1956	my ($self) = @_;
1264		1957
1265	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1266	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1267	}	1961	}
1268		1962
1269	sub unlink_save {	1963	sub unlink_save {
1270	my ($self) = @_;	1964	my ($self) = @_;
1271		1965
…		…
1276		1970
1277	sub load_header_from($) {	1971	sub load_header_from($) {
1278	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1279		1973
1280	utf8::encode $path;	1974	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1282	or return;	1976	or return;
1283		1977
1284	$self->_load_header ($path)	1978	$self->_load_header ($f)
1285	or return;	1979	or return;
1286		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
		1983
1287	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1288		1985
1289	1	1986	1
1290	}	1987	}
1291		1988
1292	sub load_orig {	1989	sub load_header_orig {
1293	my ($self) = @_;	1990	my ($self) = @_;
1294		1991
1295	$self->load_header_from ($self->load_path)	1992	$self->load_header_from ($self->load_path)
1296	}	1993	}
1297		1994
1298	sub load_temp {	1995	sub load_header_temp {
1299	my ($self) = @_;	1996	my ($self) = @_;
1300		1997
1301	$self->load_header_from ($self->save_path)	1998	$self->load_header_from ($self->save_path)
		1999	}
		2000
		2001	sub prepare_temp {
		2002	my ($self) = @_;
		2003
		2004	$self->last_access ((delete $self->{last_access})
		2005	|| $cf::RUNTIME); #d#
		2006	# safety
		2007	$self->{instantiate_time} = $cf::RUNTIME
		2008	if $self->{instantiate_time} > $cf::RUNTIME;
		2009	}
		2010
		2011	sub prepare_orig {
		2012	my ($self) = @_;
		2013
		2014	$self->{load_original} = 1;
		2015	$self->{instantiate_time} = $cf::RUNTIME;
		2016	$self->last_access ($cf::RUNTIME);
		2017	$self->instantiate;
1302	}	2018	}
1303		2019
1304	sub load_header {	2020	sub load_header {
1305	my ($self) = @_;	2021	my ($self) = @_;
1306		2022
1307	if ($self->load_temp) {	2023	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	2024	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	2025	} else {
1314	$self->load_orig	2026	$self->load_header_orig
1315	or return;	2027	or return;
1316		2028	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	2029	}
		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
		2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
1322		2036
1323	1	2037	1
1324	}	2038	}
1325		2039
1326	sub find;	2040	sub find;
1327	sub find {	2041	sub find {
1328	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1329		2043
1330	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1331		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1333		2048
1334	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";
1336	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1337	or return;	2051	or return;
1338		2052
1339	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1340		2054
1341	$map->load_header	2055	$map->load_header
1342	or return;	2056	or return;
1343		2057
1344	if ($map->should_reset) {	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2059	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1346	$map->reset;	2063	$map->reset;
1347	undef $guard;
1348	$map = find $path	2064	return find $path;
1349	or return;
1350	}	2065	}
1351		2066
1352	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1353	}	2068	}
1354	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1355		2073
1356	sub load {	2074	sub load {
1357	my ($self) = @_;	2075	my ($self) = @_;
1358		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1359	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1361		2083
		2084	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2086
1364	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1365		2088
1366	$self->alloc;	2089	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	2090
		2091	$self->pre_load;
		2092	cf::cede_to_tick;
		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1368	or return;	2097	or return;
1369		2098
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1371	if delete $self->{load_original};	2100	if delete $self->{load_original};
1372		2101
1373	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2103	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2106	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1378	}	2110	}
1379	}	2111	}
1380		2112
1381	Coro::cede;	2113	$f->resolve_delayed_derefs;
1382		2114
		2115	cf::cede_to_tick;
1383	# now do the right thing for maps	2116	# now do the right thing for maps
1384	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2119	unless $self->difficulty;
1394	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1395	$self->activate;	2127	$self->activate;
1396	}	2128	}
1397		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1399	}	2134	}
1400		2135
		2136	$self->post_load;
		2137	}
		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1401	sub customise_for {	2142	sub customise_for {
1402	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1403		2144
1404	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2146	if $self->per_player;
1406		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1407	$self	2151	$self
1408	}	2152	}
1409		2153
1410	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2155	sub load_neighbours {
1412	my ($map) = @_;	2156	my ($map) = @_;
1413		2157
1414	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1415		2159
1416	for (0 .. 3) {	2160	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1418	or next;	2162	or next;
1419	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1420	or next;	2164	or next;
1421	$neigh->load;	2165	$neigh->load;
1422		2166
		2167	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2170	}
1426		2171
1427	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1429	or next;	2175	or next;
1430	$neigh->load;	2176	$neigh->load;
1431	}	2177	}
1432	}	2178	}
1433		2179
…		…
1438	}	2184	}
1439		2185
1440	sub do_load_sync {	2186	sub do_load_sync {
1441	my ($map) = @_;	2187	my ($map) = @_;
1442		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1443	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1444	}	2193	}
1445		2194
1446	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2196	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2197
1460	sub find_async {	2198	sub find_async {
1461	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1462		2200
1463	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1464		2202
1465	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2205	}
		2206
		2207	$MAP_PREFETCH{$path} |= $load;
		2208
		2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
		2212	while (%MAP_PREFETCH) {
		2213	while (my ($k, $v) = each %MAP_PREFETCH) {
		2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
		2218	delete $MAP_PREFETCH{$k};
		2219	}
		2220	}
		2221	undef $MAP_PREFETCHER;
1467	}	2222	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2223	$MAP_PREFETCHER->prio (6);
1471		2224
1472	()	2225	()
1473	}	2226	}
1474		2227
		2228	# common code, used by both ->save and ->swapout
1475	sub save {	2229	sub _save {
1476	my ($self) = @_;	2230	my ($self) = @_;
1477
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1479		2231
1480	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1481		2233
1482	return unless $self->dirty;	2234	return unless $self->dirty;
1483		2235
…		…
1489	return if $self->{deny_save};	2241	return if $self->{deny_save};
1490		2242
1491	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1492		2244
1493	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1495	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1496		2251
1497	if ($uniq) {	2252	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2255	} else {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1502	}	2257	}
1503	}	2258	}
1504		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1505	sub swap_out {	2268	sub swap_out {
1506	my ($self) = @_;	2269	my ($self) = @_;
1507		2270
1508	# save first because save cedes
1509	$self->save;
1510
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1513	return if $self->players;	2275	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};
1516		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1517	$self->clear;	2286	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2287	}
1520		2288
1521	sub reset_at {	2289	sub reset_at {
1522	my ($self) = @_;	2290	my ($self) = @_;
1523		2291
1524	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1527		2294
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2297
…		…
1541	my ($self) = @_;	2308	my ($self) = @_;
1542		2309
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2311
1545	return if $self->players;	2312	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2313
1548	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
1549		2325
1550	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1551		2327
1552	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2330	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2331
1557	$self->unlink_save;	2332	$self->unlink_save;
1558	$self->destroy;	2333	$self->destroy;
1559	}	2334	}
1560		2335
1561	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1562		2337
1563	sub nuke {	2338	sub nuke {
1564	my ($self) = @_;	2339	my ($self) = @_;
1565		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1566	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1567		2345
1568	$self->unlink_save;	2346	$self->unlink_save;
1569		2347
1570	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1571	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2353
1576	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1577		2356
1578	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1579	}	2394	}
1580		2395
1581	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1582		2397
1583	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2399	instantiated unique items. May block.
1585		2400
1586	=cut	2401	=cut
1587		2402
1588	sub unique_maps() {	2403	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1590	or return;	2405	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2406	utf8::decode $_;
1596	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
		2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
		2412	]
		2413	}
1598		2414
		2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
1599	s/\.map$//;	2436	s/\.map$// or next;
1600	push @paths, $_;	2437	utf8::decode $_;
1601	}	2438	push @maps, "$dir/$_";
		2439	}
1602		2440
1603	\@paths	2441	push @dirs, map "$dir/$_", @$dirs;
1604	}	2442	}
1605		2443
1606	package cf;	2444	\@maps
		2445	}
1607		2446
1608	=back	2447	=back
1609		2448
1610	=head3 cf::object	2449	=head3 cf::object
1611		2450
…		…
1615		2454
1616	=over 4	2455	=over 4
1617		2456
1618	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1619		2458
1620	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1621		2461
1622	=cut	2462	=cut
1623		2463
1624	sub inv_recursive_;	2464	sub inv_recursive_;
1625	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1628		2468
1629	sub inv_recursive {	2469	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1631	}	2471	}
1632		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1633	package cf;	2501	package cf;
1634		2502
1635	=back	2503	=back
1636		2504
1637	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1646		2514
1647	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1648		2530
1649	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2532	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1654		2536
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2538
1657	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1659	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1662	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1663	}	2564	}
1664		2565
1665	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1666		2567
1667	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1680		2581
1681	=item $player_object->enter_link	2582	=item $player_object->enter_link
1682		2583
1683	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1684		2585
1685	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1686	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1687		2590
1688	Will never block.	2591	Will never block.
1689		2592
1690	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1691		2594
…		…
1699	=cut	2602	=cut
1700		2603
1701	sub link_map {	2604	sub link_map {
1702	unless ($LINK_MAP) {	2605	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2606	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2607	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2608	$LINK_MAP->load;
1706	}	2609	}
1707		2610
1708	$LINK_MAP	2611	$LINK_MAP
1709	}	2612	}
…		…
1714	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1715		2618
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2620
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1720		2623
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1722	}	2625	}
1723		2626
1724	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1726		2631
1727	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1728		2633
1729	unless ($map) {	2634	unless ($map) {
1730	# restore original map position	2635	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1743		2648
1744	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1747		2652
1748	$map->load;	2653	$map->load;
1749	$map->load_diag;	2654	$map->load_neighbours;
1750		2655
1751	return unless $self->contr->active;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2662	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}	2663	}
1755		2664
1756	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2666
1760	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1764	};	2671	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2672
1770	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1771	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2675
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1791		2679
1792	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2685
1795	$self->enter_link;	2686	$self->enter_link;
1796		2687
1797	(async {	2688	(async {
1798	my $map = cf::map::find $path;	2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
		2710	my $map = eval {
		2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
1800		2715	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2716	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
1805		2719
		2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
		2726	}
		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1807	})->prio (1);	2734	})->prio (1);
1808	}	2735	}
1809		2736
1810	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1811		2738
…		…
1813		2740
1814	sub parse_random_map_params {	2741	sub parse_random_map_params {
1815	my ($spec) = @_;	2742	my ($spec) = @_;
1816		2743
1817	my $rmp = { # defaults	2744	my $rmp = { # defaults
1818	xsize => 10,	2745	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2746	ysize => (cf::rndm 15, 40),
		2747	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2748	#layout => string,
1820	};	2749	};
1821		2750
1822	for (split /\n/, $spec) {	2751	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2752	my ($k, $v) = split /\s+/, $_, 2;
1824		2753
…		…
1836	# that depends on the exit object	2765	# that depends on the exit object
1837		2766
1838	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
1839		2768
1840	if ($exit->map) {	2769	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2770	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1845	}	2776	}
1846		2777
1847	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1848		2779
1849	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
1852		2783
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2786	undef $fh;
1856	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
1857		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1858	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1859	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1860	}	2795	}
1861	}	2796	}
1862		2797
1863	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
…		…
1866	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1867		2802
1868	$self->enter_link;	2803	$self->enter_link;
1869		2804
1870	(async {	2805	(async {
1871	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1872	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
1873	prepare_random_map $exit	2815	prepare_random_map $exit
1874	if $exit->slaying eq "/!";	2816	if $exit->slaying eq "/!";
		2817	}
1875		2818
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
1878		2822
		2823	$self->goto ($map, $x, $y);
		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
1879	1;	2829	1
1880	}) {	2830	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1882	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
1883	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2835
1886	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1887	$self->leave_link;	2837	$self->leave_link;
1888	}	2838	}
1889	})->prio (1);	2839	})->prio (1);
…		…
1902		2852
1903	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1905		2855
1906	utf8::encode $text;	2856	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2858	}
1909		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
		3047	=item $client->ext_msg ($type, @msg)
		3048
		3049	Sends an ext event to the client.
		3050
		3051	=cut
		3052
		3053	sub cf::client::ext_msg($$@) {
		3054	my ($self, $type, @msg) = @_;
		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
		3059	push @msg, msgtype => "event_$type";
		3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
		3080	}
1910		3081
1911	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1912		3083
1913	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
1914	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1915	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1916		3087
1917	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
1918	reliable at some point in the future.	3089	become reliable at some point in the future.
1919		3090
1920	=cut	3091	=cut
1921		3092
1922	sub cf::client::query {	3093	sub cf::client::query {
1923	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
1931	utf8::encode $text;	3102	utf8::encode $text;
1932	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933		3104
1934	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
1935	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
1936	}	3109	}
1937		3110
1938	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
1939	on_reply => sub {	3117	on_reply => sub {
1940	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
1941		3119
1942	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
1943	# get handled first	3121	# get handled first
1944	my $queue = delete $ns->{query_queue}	3122	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	3123	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		3124
1947	(shift @$queue)->[1]->($msg);	3125	(shift @$queue)->[1]->($msg);
		3126	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		3127
1949	push @{ $ns->{query_queue} }, @$queue;	3128	push @{ $ns->{query_queue} }, @$queue;
1950		3129
1951	if (@{ $ns->{query_queue} } == @$queue) {	3130	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	3131	if (@$queue) {
…		…
1954	} else {	3133	} else {
1955	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956	}	3135	}
1957	}	3136	}
1958	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
1959	);	3164	);
1960		3165
1961	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
1962		3167
1963	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
1979		3184
1980	$coro	3185	$coro
1981	}	3186	}
1982		3187
1983	cf::client->attach (	3188	cf::client->attach (
1984	on_destroy => sub {	3189	on_client_destroy => sub {
1985	my ($ns) = @_;	3190	my ($ns) = @_;
1986		3191
1987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1988	},	3193	},
1989	);	3194	);
…		…
2004	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2005	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2006		3211
2007	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2008		3213
2009	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2010		3219
2011	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2012		3221
2013	=pod	3222	=pod
2014		3223
2015	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2016		3225
2017	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2018	cf::object::player player	3231	cf::object::player
2019	cf::player peaceful	3232	player
2020	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2021		3239
2022	=cut	3240	=cut
2023		3241
2024	for (	3242	for (
2025	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2026	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2027	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2028	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2029	) {	3249	) {
2030	no strict 'refs';	3250	no strict 'refs';
2031	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2050		3270
2051	my $qcode = $code;	3271	my $qcode = $code;
2052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2053	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2054		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2055	local $_;	3278	local $_;
2056	local @safe::cf::_safe_eval_args = values %vars;
2057		3279
2058	my $eval =	3280	my $eval =
2059	"do {\n"	3281	"do {\n"
2060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2061	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2062	. $code	3284	. $code
2063	. "\n}"	3285	. "\n}"
2064	;	3286	;
2065		3287
		3288	if ($CFG{safe_eval}) {
2066	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2068	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2069		3297
2070	if ($@) {	3298	if ($@) {
2071	warn "$@";	3299	warn "$@";
2072	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2073	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2092	=cut	3320	=cut
2093		3321
2094	sub register_script_function {	3322	sub register_script_function {
2095	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2096		3324
2097	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2099	}	3327	}
2100		3328
2101	=back	3329	=back
2102		3330
2103	=cut	3331	=cut
2104		3332
2105	#############################################################################	3333	#############################################################################
		3334	# the server's init and main functions
2106		3335
2107	=head2 EXTENSION DATABASE SUPPORT	3336	sub load_facedata($) {
		3337	my ($path) = @_;
2108		3338
2109	Crossfire maintains a very simple database for extension use. It can	3339	# HACK to clear player env face cache, we need some signal framework
2110	currently store anything that can be serialised using Storable, which	3340	# for this (global event?)
2111	excludes objects.	3341	%ext::player_env::MUSIC_FACE_CACHE = ();
2112		3342
2113	The parameter C<$family> should best start with the name of the extension	3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2114	using it, it should be unique.
2115		3344
2116	=over 4	3345	warn "loading facedata from $path\n";
2117		3346
2118	=item $hashref = cf::db_get $family	3347	my $facedata;
		3348	0 < aio_load $path, $facedata
		3349	or die "$path: $!";
2119		3350
2120	Return a hashref for use by the extension C<$family>, which can be	3351	$facedata = Coro::Storable::thaw $facedata;
2121	modified. After modifications, you have to call C<cf::db_dirty> or
2122	C<cf::db_sync>.
2123		3352
2124	=item $value = cf::db_get $family => $key	3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2125		3355
2126	Returns a single value from the database	3356	# patch in the exptable
2127		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2128	=item cf::db_put $family => $hashref	3358	$facedata->{resource}{"res/exp_table"} = {
2129		3359	type => FT_RSRC,
2130	Stores the given family hashref into the database. Updates are delayed, if	3360	data => $exp_table,
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3361	hash => (Digest::MD5::md5 $exp_table),
2132
2133	=item cf::db_put $family => $key => $value
2134
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145
2146	=cut
2147
2148	our $DB;
2149
2150	{
2151	my $path = cf::localdir . "/database.pst";
2152
2153	sub db_load() {
2154	$DB = stat $path ? Storable::retrieve $path : { };
2155	}
2156
2157	my $pid;
2158
2159	sub db_save() {
2160	waitpid $pid, 0 if $pid;
2161	if (0 == ($pid = fork)) {
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});	3362	};
		3363	cf::cede_to_tick;
2179		3364
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}	3365	{
		3366	my $faces = $facedata->{faceinfo};
2184		3367
2185	sub db_get($;$) {	3368	while (my ($face, $info) = each %$faces) {
2186	@_ >= 2	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190		3370
2191	sub db_put($$;$) {	3371	cf::face::set_visibility $idx, $info->{visibility};
2192	if (@_ >= 3) {	3372	cf::face::set_magicmap $idx, $info->{magicmap};
2193	$DB->{$_[0]}{$_[1]} = $_[2];	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2194	} else {	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2195	$DB->{$_[0]} = $_[1];
2196	}
2197	db_dirty;
2198	}
2199		3375
2200	cf::global->attach (	3376	cf::cede_to_tick;
2201	prio => 10000,
2202	on_cleanup => sub {
2203	db_sync;
2204	},	3377	}
2205	);
2206	}
2207		3378
2208	#############################################################################	3379	while (my ($face, $info) = each %$faces) {
2209	# the server's main()	3380	next unless $info->{smooth};
2210		3381
2211	sub cfg_load {	3382	my $idx = cf::face::find $face
		3383	or next;
		3384
		3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
		3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3388	} else {
		3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3390	}
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394	}
		3395
		3396	{
		3397	my $anims = $facedata->{animinfo};
		3398
		3399	while (my ($anim, $info) = each %$anims) {
		3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	cf::anim::invalidate_all; # d'oh
		3405	}
		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
		3426	1
		3427	}
		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
		3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
		3481	sub reload_facedata {
		3482	load_facedata "$DATADIR/facedata"
		3483	or die "unable to load facedata\n";
		3484	}
		3485
		3486	sub reload_archetypes {
		3487	load_resource_file "$DATADIR/archetypes"
		3488	or die "unable to load archetypes\n";
		3489	}
		3490
		3491	sub reload_treasures {
		3492	load_resource_file "$DATADIR/treasures"
		3493	or die "unable to load treasurelists\n";
		3494	}
		3495
		3496	sub reload_resources {
		3497	warn "reloading resource files...\n";
		3498
		3499	reload_facedata;
		3500	reload_archetypes;
		3501	reload_regions;
		3502	reload_treasures;
		3503
		3504	warn "finished reloading resource files\n";
		3505	}
		3506
		3507	sub reload_config {
		3508	warn "reloading config file...\n";
		3509
2212	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2213	or return;	3511	or return;
2214		3512
2215	local $/;	3513	local $/;
2216	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2217		3515
2218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2219		3517
2220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2225	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2226	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2227	};	3525	};
2228	warn $@ if $@;	3526	warn $@ if $@;
2229	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2230	}	3558	}
2231		3559
2232	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2233	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2234	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2236	(async {	3573	(async {
2237	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2238	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2239	};	3577	};
2240		3578
2241	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
2242	db_load;	3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
		3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2243	load_extensions;	3602	load_extensions;
2244	Event::loop;	3603
		3604	utime time, time, $RUNTIMEFILE;
		3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2245	}	3617	}
2246		3618
2247	#############################################################################	3619	#############################################################################
2248	# initialisation and cleanup	3620	# initialisation and cleanup
2249		3621
2250	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2251	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2252	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2254	data => WF_AUTOCANCEL,
2255	signal => $signal,
2256	cb => sub {
2257	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2258	},
2259	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2260	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2261	}	3718	}
2262		3719
2263	sub emergency_save() {	3720	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2265		3722
2266	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2267		3724
2268	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2269	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2270	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2271	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2272	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2273	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2274	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2275	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276	$pl->save;	3739	$pl->save;
2277	}	3740	}
2278	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2279		3742
2280	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2281	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2282	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3746	$map->valid or next;
2284	$map->save;	3747	$map->save;
2285	}	3748	}
2286	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
		3750
		3751	warn "emergency_perl_save: begin database checkpoint\n";
		3752	BDB::db_env_txn_checkpoint $DB_ENV;
		3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2287	};	3758	};
2288		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2289	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2290	}	3766	}
2291		3767
		3768	sub post_cleanup {
		3769	my ($make_core) = @_;
		3770
		3771	warn Carp::longmess "post_cleanup backtrace"
		3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
		3801	}
		3802
2292	sub reload() {	3803	sub do_reload_perl() {
2293	# can/must only be called in main	3804	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2295	warn "can only reload from main coroutine\n";	3806	warn "can only reload from main coroutine";
2296	return;	3807	return;
2297	}	3808	}
2298		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2299	warn "reloading...";	3815	warn "reloading...";
2300		3816
2301	warn "freezing server";	3817	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3818
		3819	cf::sync_job {
		3820	cf::write_runtime_sync; # external watchdog should not bark
2303	cf::emergency_save;	3821	cf::emergency_save;
		3822	cf::write_runtime_sync; # external watchdog should not bark
2304		3823
2305	warn "sync database to disk";	3824	warn "syncing database to disk";
2306	cf::db_sync;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3826
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2311		3828
2312	warn "cancel all watchers";	3829	warn "flushing outstanding aio requests";
2313	for (Event::all_watchers) {	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2315	}
2316
2317	warn "cancel all extension coros";
2318	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();
2320
2321	warn "remove commands";
2322	%COMMAND = ();
2323
2324	warn "remove ext commands";
2325	%EXTCMD = ();
2326
2327	warn "unload/nuke all extensions";
2328	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";
2330
2331	if (my $cb = $pkg->can ("unload")) {
2332	eval {
2333	$cb->($pkg);
2334	1
2335	} or warn "$pkg unloaded, but with errors: $@";
2336	}	3832	}
2337		3833
		3834	warn "cancelling all extension coros";
		3835	$_->cancel for values %EXT_CORO;
		3836	%EXT_CORO = ();
		3837
		3838	warn "removing commands";
		3839	%COMMAND = ();
		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2338	warn "... nuking $pkg";	3847	warn "... unloading $pkg";
2339	Symbol::delete_package $pkg;
2340	}
2341		3848
2342	warn "unload all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345
2346	warn "removing <$k>";
2347	delete $INC{$k};
2348
2349	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;
2351
2352	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2353	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2354	}	3858	}
2355		3859
2356	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2357	}	3875	}
2358		3876
2359	warn "get rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3880
2363	warn "unload cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2365		3884
2366	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3886	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2369		3888
		3889	warn "unload completed, starting to reload now";
		3890
2370	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2371	require cf;	3892	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2373		3894
2374	warn "load config and database again";	3895	warn "loading config and database again";
2375	cf::cfg_load;	3896	cf::reload_config;
2376	cf::db_load;
2377		3897
2378	warn "load extensions";	3898	warn "loading extensions";
2379	cf::load_extensions;	3899	cf::load_extensions;
2380		3900
		3901	if ($REATTACH_ON_RELOAD) {
2381	warn "reattach attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3903	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3904	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
		3906	warn "reattaching attachments to players";
		3907	reattach $_ for values %PLAYER;
		3908	}
		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
		3913	warn "leaving sync_job";
		3914
		3915	1
		3916	} or do {
		3917	warn $@;
		3918	cf::cleanup "error while reloading, exiting.";
		3919	};
		3920
		3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
		3927	};
		3928
		3929	our $RELOAD_WATCHER; # used only during reload
		3930
		3931	sub reload_perl() {
		3932	# doing reload synchronously and two reloads happen back-to-back,
		3933	# coro crashes during coro_state_free->destroy here.
		3934
		3935	$RELOAD_WATCHER ||= cf::async {
		3936	Coro::AIO::aio_wait cache_extensions;
		3937
		3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3939	do_reload_perl;
		3940	undef $RELOAD_WATCHER;
		3941	};
2385	};	3942	};
2386		3943	}
2387	if ($@) {
2388	warn $@;
2389	warn "error while reloading, exiting.";
2390	exit 1;
2391	}
2392
2393	warn "reloaded";
2394	};
2395
2396	our $RELOAD_WATCHER; # used only during reload
2397		3944
2398	register_command "reload" => sub {	3945	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2400		3947
2401	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
2403		3950	async {
2404	# doing reload synchronously and two reloads happen back-to-back,	3951	$Coro::current->{desc} = "perl_reload";
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;	3952	reload_perl;
2409	undef $RELOAD_WATCHER;
2410	});	3953	};
2411	}	3954	}
2412	};	3955	};
2413		3956
2414	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2415		3958
2416	$TICK_WATCHER = Event->timer (	3959	my $bug_warning = 0;
2417	reentrant => 0,
2418	prio => 0,
2419	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,
2421	cb => sub {
2422	$NOW = Event::time;
2423		3960
		3961	our @WAIT_FOR_TICK;
		3962	our @WAIT_FOR_TICK_BEGIN;
		3963
		3964	sub wait_for_tick {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub wait_for_tick_begin {
		3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3974
		3975	my $signal = new Coro::Signal;
		3976	push @WAIT_FOR_TICK_BEGIN, $signal;
		3977	$signal->wait;
		3978	}
		3979
		3980	sub tick {
		3981	if ($Coro::current != $Coro::main) {
		3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3983	unless ++$bug_warning > 10;
		3984	return;
		3985	}
		3986
2424	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2425	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;
2427		3988
2428	$WAIT_FOR_TICK->broadcast;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2429	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2430		3990
2431	# if we are delayed by four ticks or more, skip them all	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2433		3993	Coro::async_pool {
2434	$TICK_WATCHER->at ($NEXT_TICK);	3994	$Coro::current->{desc} = "runtime saver";
2435	$TICK_WATCHER->start;
2436	},
2437	);
2438
2439	IO::AIO::max_poll_time $TICK * 0.2;
2440
2441	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,
2451	after => 0,
2452	interval => 10,
2453	cb => sub {
2454	(Coro::unblock_sub {
2455	write_runtime	3995	write_runtime_sync
2456	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2457	})->();	3997	};
2458	},	3998	}
2459	);	3999
		4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4001	$sig->send;
		4002	}
		4003	while (my $sig = shift @WAIT_FOR_TICK) {
		4004	$sig->send;
		4005	}
		4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
		4018
		4019	{
		4020	# configure BDB
		4021
		4022	BDB::min_parallel 16;
		4023	BDB::max_poll_reqs $TICK * 0.1;
		4024	$AnyEvent::BDB::WATCHER->priority (1);
		4025
		4026	unless ($DB_ENV) {
		4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4033
		4034	cf::sync_job {
		4035	eval {
		4036	BDB::db_env_open
		4037	$DB_ENV,
		4038	$BDBDIR,
		4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4041	0666;
		4042
		4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4044	};
		4045
		4046	cf::cleanup "db_env_open(db): $@" if $@;
		4047	};
		4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
		4059	}
		4060
		4061	{
		4062	# configure IO::AIO
		4063
		4064	IO::AIO::min_parallel 8;
		4065	IO::AIO::max_poll_time $TICK * 0.1;
		4066	undef $AnyEvent::AIO::WATCHER;
		4067	}
		4068
		4069	my $_log_backtrace;
		4070
		4071	sub _log_backtrace {
		4072	my ($msg, @addr) = @_;
		4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
		4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2460		4114
2461	END { cf::emergency_save }	4115	END { cf::emergency_save }
2462		4116
2463	1	4117	1
2464		4118

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