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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		137
65	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
68	binmode STDOUT;	151	binmode STDOUT;
69	binmode STDERR;	152	binmode STDERR;
70		153
71	# read virtual server time, if available	154	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
76	}	159	}
77		160
78	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	162
80	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		165
84	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	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::"} };
85		184
86	#############################################################################	185	#############################################################################
87		186
88	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
89		188
…		…
96	=item $cf::RUNTIME	195	=item $cf::RUNTIME
97		196
98	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
99	every server tick.	198	every server tick.
100		199
101	=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
102		203
103	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		208
106	=item $cf::NOW	209	=item $cf::NOW
107		210
108	The time of the last (current) server tick.	211	The time of the last (current) server tick.
109		212
110	=item $cf::TICK	213	=item $cf::TICK
111		214
112	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	227	=item %cf::CFG
115		228
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	230	from wherever your confdir points to.
118		231
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		233
121	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
122	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
123	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.
124	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.
125		249
126	=back	250	=back
127		251
128	=cut	252	=cut
129		253
130	BEGIN {	254	$Coro::State::WARNHOOK = sub {
131	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	255	my $msg = join "", @_;
133	utf8::encode $msg;
134		256
135	$msg .= "\n"	257	$msg .= "\n"
136	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
137		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
138	LOG llevError, $msg;	262	LOG llevError, $msg;
139	};	263	};
140	}	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	};
141		278
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		286
149	# 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
150	# within the Safe compartment.	288	# within the Safe compartment.
151	for my $pkg (qw(	289	for my $pkg (qw(
152	cf::global cf::attachable	290	cf::global cf::attachable
153	cf::object cf::object::player	291	cf::object cf::object::player
154	cf::client cf::player	292	cf::client cf::player
155	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
156	cf::map cf::party cf::region	295	cf::party cf::region
157	)) {	296	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	298	}
161		299
162	$Event::DIED = sub {	300	$EV::DIED = sub {
163	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
164	};	302	};
		303
		304	#############################################################################
165		305
166	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
167		307
168	=over 4	308	=over 4
169		309
…		…
188	$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;
189	$d	329	$d
190	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
191	}	331	}
192		332
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
196		334
197	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
198		336
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
207		338
208	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
209		340
210	=cut	341	=cut
211		342
212	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
214	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;
215	}	360	}
216		361
217	=item cf::lock_wait $string	362	=item cf::lock_wait $string
218		363
219	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
220		365
221	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
222		367
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
226	returned.	371	returned.
227		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
228	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
229	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
230		378
231	=cut	379	=item $locked = cf::lock_active $string
232		380
233	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
234		386
235	sub lock_wait($) {	387	sub lock_wait($) {
236	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	389	}
244		390
245	sub lock_acquire($) {	391	sub lock_acquire($) {
246	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
247		394
248	# wait, to be sure we are not locked	395	sub lock_active($) {
249	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	397	}
258		398
259	sub freeze_mainloop {	399	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
261		401
262	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	403	}
264	$guard	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($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
		469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
265	}	485	}
266		486
267	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
268		488
269	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		494
275	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
276		496
277	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
278		498
279	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
282		503
283	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
286	fast or be very important.	507	fast or be very important.
…		…
289		510
290	sub sync_job(&) {	511	sub sync_job(&) {
291	my ($job) = @_;	512	my ($job) = @_;
292		513
293	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
294	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
296		519
297	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	521
299	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
300		523
301	my $busy = 1;	524	my $busy = 1;
302	my @res;	525	my @res;
303		526
304	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	529	@res = eval { $job->() };
306	warn $@ if $@;	530	warn $@ if $@;
307	undef $busy;	531	undef $busy;
308	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
309		533
310	while ($busy) {	534	while ($busy) {
311	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
312	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
313		545
314	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
315	} else {	547	} else {
316	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
317		549
…		…
337	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
338		570
339	$coro	571	$coro
340	}	572	}
341		573
342	sub write_runtime {	574	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		575
345	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
346		580
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
348	or return;
349		582
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	583	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	584	my ($cb, @args) = @_;
352	and return;
353		585
354	aio_fsync $fh	586	# we seemingly have to make a local copy of the whole thing,
355	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
356		589
357	close $fh	590	my @res = Coro::Util::fork_eval {
358	or return;	591	reset_signals;
		592	&$cb
		593	}, @args;
359		594
360	aio_rename "$runtime~", $runtime	595	wantarray ? @res : $res[-1]
361	and return;	596	}
362		597
		598	sub objinfo {
363	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 });
364	}	772	}
365		773
366	=back	774	=back
367		775
368	=cut	776	=cut
369		777
370	#############################################################################	778	#############################################################################
371		779
372	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
373		781
374	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
375	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")
376	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
377		785
378	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>
379	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
380	crossfire+).	788	Deliantra).
381		789
382	=over 4	790	=over 4
383		791
384	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
385		793
…		…
429	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
430		838
431	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
433		841
434	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
435	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
436		844
437	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
438		846
439	=over 4	847	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	908	our @CB_MAP = ();
501		909
502	my %attachment;	910	my %attachment;
503		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
504	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
506		920
507	use sort 'stable';	921	use sort 'stable';
508		922
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
543		957
544	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		962
549	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	964	my $pkg = shift @arg;
551		965
552	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
582	}	996	}
583		997
584	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
585	} else {	999	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	1001	}
588		1002
589	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
590	}	1004	}
591		1005
…		…
593	if (ref $_[0]) {	1007	if (ref $_[0]) {
594	_object_attach @_;	1008	_object_attach @_;
595	} else {	1009	} else {
596	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
597	}	1011	}
		1012	_recalc_want;
598	};	1013	};
599		1014
600	# all those should be optimised	1015	# all those should be optimised
601	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
606	reattach ($obj);	1021	reattach ($obj);
607	} else {	1022	} else {
608	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
609	}	1024	}
		1025	_recalc_want;
610	};	1026	};
611		1027
612	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
614		1030
…		…
629	";	1045	";
630	die if $@;	1046	die if $@;
631	}	1047	}
632		1048
633	our $override;	1049	our $override;
634	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?
635		1051
636	sub override {	1052	sub override {
637	$override = 1;	1053	$override = 1;
638	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
639	}	1055	}
640		1056
641	sub do_invoke {	1057	sub do_invoke {
642	my $event = shift;	1058	my $event = shift;
643	my $callbacks = shift;	1059	my $callbacks = shift;
644		1060
645	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
646		1062
647	local $override;	1063	local $override;
648		1064
649	for (@$callbacks) {	1065	for (@$callbacks) {
650	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
659	}	1075	}
660		1076
661	0	1077	0
662	}	1078	}
663		1079
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1081
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1083
668	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
669		1085
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1089
674	=back	1090	=back
675		1091
676	=cut	1092	=cut
677		1093
678	#############################################################################	1094	#############################################################################
679	# 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	}
680		1138
681	sub reattach {	1139	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1145
685	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
686		1147
687	@$registry = ();	1148	@$registry = ();
688		1149
…		…
703	cf::attachable->attach (	1164	cf::attachable->attach (
704	prio => -1000000,	1165	prio => -1000000,
705	on_instantiate => sub {	1166	on_instantiate => sub {
706	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
707		1168
708	$data = from_json $data;	1169	$data = decode_json $data;
709		1170
710	for (@$data) {	1171	for (@$data) {
711	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
712		1173
713	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1190	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
731		1192
732	sync_job {	1193	sync_job {
733	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
736		1198
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$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;
740	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
741	close $fh;	1206	aio_close $fh;
742		1207
743	if (@$objs) {	1208	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	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;
748	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
749	close $fh;	1217	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
751	}	1219	}
752	} else {	1220	} else {
753	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
754	}	1222	}
755		1223
756	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1228	} else {
758	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
759	}	1230	}
760	} else {	1231	} else {
761	aio_unlink $filename;	1232	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
763	}	1234	}
764	}	1235	};
765	}	1236	}
766		1237
767	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
769		1240
…		…
781	or return;	1252	or return;
782		1253
783	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
785	or return;	1256	or return;
		1257
786	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
787	}	1260	}
788		1261
		1262	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
791	return ($data, $av);	1266	($data, $av)
792	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
793		1274
794	#############################################################################	1275	#############################################################################
795	# command handling &c	1276	# command handling &c
796		1277
797	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1292	}
812		1293
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1295
815	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.
816		1301
817	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
818	called.	1303	called.
819		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
820	=cut	1316	=cut
821		1317
822	sub register_extcmd {	1318	sub register_extcmd {
823	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
824		1320
825	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
826	}	1322	}
827		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
828	cf::player->attach (	1332	cf::player->attach (
829	on_command => sub {	1333	on_unknown_command => sub {
830	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
831		1335
832	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
833	or return;	1337	or return;
834		1338
…		…
839	cf::override;	1343	cf::override;
840	},	1344	},
841	on_extcmd => sub {	1345	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
843		1347
844	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1349
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
852	} else {	1365	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1367	}
855		1368
856	cf::override;	1369	cf::override;
857	},	1370	},
858	);	1371	);
859		1372
		1373	# "readahead" all extensions
860	sub load_extension {	1374	sub cache_extensions {
861	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
862		1376
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1380	}
888	die $@;
889	}	1381	};
890		1382
891	push @EXTS, $pkg;	1383	$grp
892	}	1384	}
893		1385
894	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
895	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1391	next unless -r $path;
897	eval {	1392
898	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	}
899	1	1456	}
900	} 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	}
901	}	1467	};
902	}	1468	}
903		1469
904	#############################################################################	1470	#############################################################################
905	# load/save/clean perl data associated with a map
906		1471
907	*cf::mapsupport::on_clean = sub {	1472	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1473
920	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
921		1475
922	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
923		1477
924	=cut	1478	=cut
925		1479
926	package cf::player;	1480	package cf::player;
927		1481
…		…
929		1483
930	=head3 cf::player	1484	=head3 cf::player
931		1485
932	=over 4	1486	=over 4
933		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
934	=item cf::player::find $login	1502	=item cf::player::find $login
935		1503
936	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
937		1505
938	=cut	1506	=cut
939		1507
940	sub playerdir($) {	1508	sub playerdir($) {
941	cf::localdir	1509	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1511	}
947		1512
948	sub path($) {	1513	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1515
951	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
952	}	1517	}
953		1518
954	sub find_active($) {	1519	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
959		1524
960	sub exists($) {	1525	sub exists($) {
961	my ($login) = @_;	1526	my ($login) = @_;
962		1527
963	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
965	}	1530	}
966		1531
967	sub find($) {	1532	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1534	my $login = $_[0];
970		1535
971	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
972		1537
973	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
977	}	1555	}
978	}	1556	}
979	}	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	);
980		1571
981	sub save($) {	1572	sub save($) {
982	my ($pl) = @_;	1573	my ($pl) = @_;
983		1574
984	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
989	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
990		1581
991	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
993		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
994	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
995	Coro::cede;	1591	cf::cede_to_tick;
996	}	1592	}
997		1593
998	sub new($) {	1594	sub new($) {
999	my ($login) = @_;	1595	my ($login) = @_;
1000		1596
…		…
1006	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1007		1603
1008	$self	1604	$self
1009	}	1605	}
1010		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
1011	=item $pl->quit_character	1617	=item $pl->quit_character
1012		1618
1013	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
1014	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1015		1621
1016	=cut	1622	=cut
1017		1623
1018	sub quit_character {	1624	sub quit_character {
1019	my ($pl) = @_;	1625	my ($pl) = @_;
1020		1626
		1627	my $name = $pl->ob->name;
		1628
1021	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1022	$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
1023		1631
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1028		1638
1029	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	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;
1035	}	1665	}
1036		1666
1037	=item cf::player::list_logins	1667	=item cf::player::list_logins
1038		1668
1039	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
1040	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1041		1671
1042	=cut	1672	=cut
1043		1673
1044	sub list_logins {	1674	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1676	or return [];
1047		1677
1048	my @logins;	1678	my @logins;
1049		1679
1050	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") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1054		1690
1055	utf8::decode $login;	1691	utf8::decode $login;
1056	push @logins, $login;	1692	push @logins, $login;
1057	}	1693	}
1058		1694
…		…
1066		1702
1067	=cut	1703	=cut
1068		1704
1069	sub maps($) {	1705	sub maps($) {
1070	my ($pl) = @_;	1706	my ($pl) = @_;
		1707
		1708	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1709
1072	my $files = aio_readdir playerdir $pl	1710	my $files = aio_readdir playerdir $pl
1073	or return;	1711	or return;
1074		1712
1075	my @paths;	1713	my @paths;
…		…
1077	for (@$files) {	1715	for (@$files) {
1078	utf8::decode $_;	1716	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1717	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1718	next unless /^$PATH_SEP/o;
1081		1719
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1720	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1721	}
1084		1722
1085	\@paths	1723	\@paths
1086	}	1724	}
1087		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1089		1731
1090	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1091		1733
1092	=cut	1734	=cut
1093		1735
1094	sub ext_reply($$$%) {	1736	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1096		1738
1097	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1740	}
1101		1741
1102	package cf;	1742	=item $player->ext_msg ($type, @msg)
		1743
		1744	Sends an ext event to the client.
		1745
		1746	=cut
		1747
		1748	sub ext_msg($$@) {
		1749	my ($self, $type, @msg) = @_;
		1750
		1751	$self->ns->ext_msg ($type, @msg);
		1752	}
		1753
		1754	=head3 cf::region
		1755
		1756	=over 4
		1757
		1758	=cut
		1759
		1760	package cf::region;
		1761
		1762	=item cf::region::find_by_path $path
		1763
		1764	Tries to decuce the likely region for a map knowing only its path.
		1765
		1766	=cut
		1767
		1768	sub find_by_path($) {
		1769	my ($path) = @_;
		1770
		1771	my ($match, $specificity);
		1772
		1773	for my $region (list) {
		1774	if ($region->{match} && $path =~ $region->{match}) {
		1775	($match, $specificity) = ($region, $region->specificity)
		1776	if $region->specificity > $specificity;
		1777	}
		1778	}
		1779
		1780	$match
		1781	}
1103		1782
1104	=back	1783	=back
1105
1106		1784
1107	=head3 cf::map	1785	=head3 cf::map
1108		1786
1109	=over 4	1787	=over 4
1110		1788
…		…
1114		1792
1115	use Fcntl;	1793	use Fcntl;
1116	use Coro::AIO;	1794	use Coro::AIO;
1117		1795
1118	use overload	1796	use overload
1119	'""' => \&as_string;	1797	'""' => \&as_string,
		1798	fallback => 1;
1120		1799
1121	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1123		1802
1124	sub generate_random_map {	1803	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1807
1127	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1809	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1819	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1820	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1821	)
1141	}	1822	}
1142		1823
		1824	=item cf::map->register ($regex, $prio)
		1825
		1826	Register a handler for the map path matching the given regex at the
		1827	givne priority (higher is better, built-in handlers have priority 0, the
		1828	default).
		1829
		1830	=cut
		1831
1143	sub register {	1832	sub register {
1144	my (undef, $regex) = @_;	1833	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1834	my $pkg = caller;
1146		1835
1147	no strict;	1836	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1837	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1838
1150	$EXT_MAP{$pkg} = qr<$regex>;	1839	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1840	}
1152		1841
1153	# also paths starting with '/'	1842	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1843	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1844
		1845	sub thawer_merge {
		1846	my ($self, $merge) = @_;
		1847
		1848	# we have to keep some variables in memory intact
		1849	local $self->{path};
		1850	local $self->{load_path};
		1851
		1852	$self->SUPER::thawer_merge ($merge);
		1853	}
1155		1854
1156	sub normalise {	1855	sub normalise {
1157	my ($path, $base) = @_;	1856	my ($path, $base) = @_;
		1857
		1858	$path = "$path"; # make sure its a string
		1859
		1860	$path =~ s/\.map$//;
1158		1861
1159	# map plan:	1862	# map plan:
1160	#	1863	#
1161	# /! non-realised random map exit (special hack!)	1864	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1865	# {... are special paths that are not being touched
…		…
1190		1893
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1894	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1895
1193	$path = normalise $path, $base;	1896	$path = normalise $path, $base;
1194		1897
1195	for my $pkg (keys %EXT_MAP) {	1898	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1899	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1900	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1901	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1200	return $self;	1903	return $self;
1201	}	1904	}
1202	}	1905	}
1203		1906
1204	Carp::carp "unable to resolve path '$path'.";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1908	()
1206	}	1909	}
1207		1910
1208	sub init {	1911	sub init {
1209	my ($self) = @_;	1912	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1923	# the displayed name, this is a one way mapping
1221	sub visible_name {	1924	sub visible_name {
1222	&as_string	1925	&as_string
1223	}	1926	}
1224		1927
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1928	# the original (read-only) location
1233	sub load_path {	1929	sub load_path {
1234	my ($self) = @_;	1930	my ($self) = @_;
1235		1931
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1932	"$MAPDIR/$self->{path}.map"
1237	}	1933	}
1238		1934
1239	# the temporary/swap location	1935	# the temporary/swap location
1240	sub save_path {	1936	sub save_path {
1241	my ($self) = @_;	1937	my ($self) = @_;
1242		1938
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1940	"$TMPDIR/$path.map"
1244	}	1941	}
1245		1942
1246	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1247	sub uniq_path {	1944	sub uniq_path {
1248	my ($self) = @_;	1945	my ($self) = @_;
1249		1946
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$UNIQUEDIR/$path"
1251	}	1949	}
1252		1950
1253	# and all this just because we cannot iterate over	1951	sub decay_objects {
1254	# all maps in C++...
1255	sub change_all_map_light {
1256	my ($change) = @_;	1952	my ($self) = @_;
1257		1953
1258	$_->change_map_light ($change)	1954	return if $self->{deny_reset};
1259	for grep $_->outdoor, values %cf::MAP;	1955
		1956	$self->do_decay_objects;
1260	}	1957	}
1261		1958
1262	sub unlink_save {	1959	sub unlink_save {
1263	my ($self) = @_;	1960	my ($self) = @_;
1264		1961
1265	utf8::encode (my $save = $self->save_path);	1962	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1963	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1964	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1965	}
1269		1966
1270	sub load_header_from($) {	1967	sub load_header_from($) {
1271	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1272		1969
1273	utf8::encode $path;	1970	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1275	or return;	1972	or return;
1276		1973
1277	$self->_load_header ($path)	1974	$self->_load_header ($f)
1278	or return;	1975	or return;
1279		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
		1979
1280	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1281		1981
1282	1	1982	1
1283	}	1983	}
1284		1984
1285	sub load_orig {	1985	sub load_header_orig {
1286	my ($self) = @_;	1986	my ($self) = @_;
1287		1987
1288	$self->load_header_from ($self->load_path)	1988	$self->load_header_from ($self->load_path)
1289	}	1989	}
1290		1990
1291	sub load_temp {	1991	sub load_header_temp {
1292	my ($self) = @_;	1992	my ($self) = @_;
1293		1993
1294	$self->load_header_from ($self->save_path)	1994	$self->load_header_from ($self->save_path)
		1995	}
		1996
		1997	sub prepare_temp {
		1998	my ($self) = @_;
		1999
		2000	$self->last_access ((delete $self->{last_access})
		2001	|| $cf::RUNTIME); #d#
		2002	# safety
		2003	$self->{instantiate_time} = $cf::RUNTIME
		2004	if $self->{instantiate_time} > $cf::RUNTIME;
		2005	}
		2006
		2007	sub prepare_orig {
		2008	my ($self) = @_;
		2009
		2010	$self->{load_original} = 1;
		2011	$self->{instantiate_time} = $cf::RUNTIME;
		2012	$self->last_access ($cf::RUNTIME);
		2013	$self->instantiate;
1295	}	2014	}
1296		2015
1297	sub load_header {	2016	sub load_header {
1298	my ($self) = @_;	2017	my ($self) = @_;
1299		2018
1300	if ($self->load_temp) {	2019	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2020	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2021	} else {
1307	$self->load_orig	2022	$self->load_header_orig
1308	or return;	2023	or return;
1309		2024	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2025	}
		2026
		2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
		2029
		2030	$self->default_region (cf::region::find_by_path $self->{path})
		2031	unless $self->default_region;
1315		2032
1316	1	2033	1
1317	}	2034	}
1318		2035
1319	sub find;	2036	sub find;
1320	sub find {	2037	sub find {
1321	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1322		2039
1323	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1324		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1326		2044
1327	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";
1329	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1330	or return;	2047	or return;
1331		2048
1332	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1333		2050
1334	$map->load_header	2051	$map->load_header
1335	or return;	2052	or return;
1336		2053
1337	if ($map->should_reset) {	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2055	# doing this can freeze the server in a sync job, obviously
		2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1338	$map->reset;	2059	$map->reset;
1339	undef $guard;
1340	$map = find $path	2060	return find $path;
1341	or return;
1342	}	2061	}
1343		2062
1344	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1345	}	2064	}
1346	}	2065	}
		2066
		2067	sub pre_load { }
		2068	#sub post_load { } # XS
1347		2069
1348	sub load {	2070	sub load {
1349	my ($self) = @_;	2071	my ($self) = @_;
1350		2072
		2073	local $self->{deny_reset} = 1; # loading can take a long time
		2074
1351	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1353		2079
		2080	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2082
1356	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1357		2084
1358	$self->alloc;	2085	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2086
		2087	$self->pre_load;
		2088	cf::cede_to_tick;
		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1360	or return;	2093	or return;
1361		2094
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1363	if delete $self->{load_original};	2096	if delete $self->{load_original};
1364		2097
1365	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2099	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2102	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1370	}	2106	}
1371	}	2107	}
1372		2108
1373	Coro::cede;	2109	$f->resolve_delayed_derefs;
1374		2110
		2111	cf::cede_to_tick;
1375	# now do the right thing for maps	2112	# now do the right thing for maps
1376	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2115	unless $self->difficulty;
1386	Coro::cede;	2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1387	$self->activate;	2123	$self->activate;
1388	}	2124	}
1389		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1391	}	2130	}
1392		2131
		2132	$self->post_load;
		2133	}
		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1393	sub customise_for {	2138	sub customise_for {
1394	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1395		2140
1396	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2142	if $self->per_player;
1398		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1399	$self	2147	$self
1400	}	2148	}
1401		2149
1402	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2151	sub load_neighbours {
1404	my ($map) = @_;	2152	my ($map) = @_;
1405		2153
1406	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1407		2155
1408	for (0 .. 3) {	2156	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1410	or next;	2158	or next;
1411	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1412	or next;	2160	or next;
1413	$neigh->load;	2161	$neigh->load;
1414		2162
		2163	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2166	}
1418		2167
1419	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1421	or next;	2171	or next;
1422	$neigh->load;	2172	$neigh->load;
1423	}	2173	}
1424	}	2174	}
1425		2175
…		…
1430	}	2180	}
1431		2181
1432	sub do_load_sync {	2182	sub do_load_sync {
1433	my ($map) = @_;	2183	my ($map) = @_;
1434		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1435	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1436	}	2189	}
1437		2190
1438	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2192	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2193
1452	sub find_async {	2194	sub find_async {
1453	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1454		2196
1455	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1456		2198
1457	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
1459	}	2218	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1463		2220
1464	()	2221	()
1465	}	2222	}
1466		2223
		2224	# common code, used by both ->save and ->swapout
1467	sub save {	2225	sub _save {
1468	my ($self) = @_;	2226	my ($self) = @_;
1469
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1471		2227
1472	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1473		2229
1474	return unless $self->dirty;	2230	return unless $self->dirty;
1475		2231
…		…
1481	return if $self->{deny_save};	2237	return if $self->{deny_save};
1482		2238
1483	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1484		2240
1485	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1487	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1488		2247
1489	if ($uniq) {	2248	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2251	} else {
1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1494	}	2253	}
1495	}	2254	}
1496		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1497	sub swap_out {	2264	sub swap_out {
1498	my ($self) = @_;	2265	my ($self) = @_;
1499		2266
1500	# save first because save cedes
1501	$self->save;
1502
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1505	return if $self->players;	2271	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};
1508		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1509	$self->clear;	2282	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2283	}
1512		2284
1513	sub reset_at {	2285	sub reset_at {
1514	my ($self) = @_;	2286	my ($self) = @_;
1515		2287
1516	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1519		2290
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2293
…		…
1527	my ($self) = @_;	2298	my ($self) = @_;
1528		2299
1529	$self->reset_at <= $cf::RUNTIME	2300	$self->reset_at <= $cf::RUNTIME
1530	}	2301	}
1531		2302
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2303	sub reset {
1547	my ($self) = @_;	2304	my ($self) = @_;
1548		2305
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2307
1551	return if $self->players;	2308	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2309
1554	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
		2311
		2312	$self->in_memory (cf::MAP_SWAPPED);
		2313
		2314	# need to save uniques path
		2315	unless ($self->{deny_save}) {
		2316	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2317
		2318	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2319	if $uniq;
		2320	}
1555		2321
1556	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1557		2323
		2324	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2325	$_->clear_links_to ($self) for values %cf::MAP;
		2326	$self->clear;
1559		2327
1560	$self->unlink_save;	2328	$self->unlink_save;
1561	$self->destroy;	2329	$self->destroy;
1562	}	2330	}
1563		2331
1564	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1565		2333
1566	sub nuke {	2334	sub nuke {
1567	my ($self) = @_;	2335	my ($self) = @_;
1568		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
		2340	delete $cf::MAP{$self->path};
		2341
		2342	$self->unlink_save;
		2343
		2344	bless $self, "cf::map";
		2345	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2349
		2350	$cf::MAP{$self->path} = $self;
		2351	}
		2352
1572	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
		2354	}
		2355
		2356	=item $maps = cf::map::tmp_maps
		2357
		2358	Returns an arrayref with all map paths of currently instantiated and saved
		2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
		2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
		2373
		2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1573	}	2390	}
1574		2391
1575	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1576		2393
1577	Returns an arrayref of paths of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2395	instantiated unique items. May block.
1579		2396
1580	=cut	2397	=cut
1581		2398
1582	sub unique_maps() {	2399	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2400	[
1584	or return;	2401	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2402	utf8::decode $_;
1590	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2405	? ()
1593	push @paths, $_;	2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2408	]
1595
1596	\@paths
1597	}	2409	}
1598		2410
1599	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1600		2442
1601	=back	2443	=back
1602		2444
1603	=head3 cf::object	2445	=head3 cf::object
1604		2446
…		…
1608		2450
1609	=over 4	2451	=over 4
1610		2452
1611	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1612		2454
1613	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1614		2457
1615	=cut	2458	=cut
1616		2459
1617	sub inv_recursive_;	2460	sub inv_recursive_;
1618	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1621		2464
1622	sub inv_recursive {	2465	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1624	}	2467	}
1625		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1626	package cf;	2497	package cf;
1627		2498
1628	=back	2499	=back
1629		2500
1630	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1639		2510
1640	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1641		2526
1642	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2528	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1647		2532
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2534
1650	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1652	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1655	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1656	}	2560	}
1657		2561
1658	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1659		2563
1660	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1673		2577
1674	=item $player_object->enter_link	2578	=item $player_object->enter_link
1675		2579
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2581
1678	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1680		2586
1681	Will never block.	2587	Will never block.
1682		2588
1683	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1684		2590
…		…
1692	=cut	2598	=cut
1693		2599
1694	sub link_map {	2600	sub link_map {
1695	unless ($LINK_MAP) {	2601	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2602	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2603	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2604	$LINK_MAP->load;
1699	}	2605	}
1700		2606
1701	$LINK_MAP	2607	$LINK_MAP
1702	}	2608	}
…		…
1707	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1708		2614
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2616
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1713		2619
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2621	}
1716		2622
1717	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1719		2627
1720	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1721		2629
1722	unless ($map) {	2630	unless ($map) {
1723	# restore original map position	2631	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1736		2644
1737	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1740		2648
1741	$map->load;	2649	$map->load;
1742	$map->load_diag;	2650	$map->load_neighbours;
1743		2651
1744	return unless $self->contr->active;	2652	return unless $self->contr->active;
		2653
		2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2658	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2659	}
1748		2660
1749	cf::player->attach (	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2662
1753	# abort map switching before logout	2663	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2664	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2666	the new (success) or old (failed) map position. In either case, $done will
1757	};	2667	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2668
1763	# try to abort aborted map switching on player login :)	2669	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2670	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2671
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1784		2675
1785	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
		2678
		2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2681
1788	$self->enter_link;	2682	$self->enter_link;
1789		2683
1790	(async {	2684	(async {
1791	my $map = cf::map::find $path;	2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
		2706	my $map = eval {
		2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
1793		2711	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2712	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
1798		2715
		2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
		2722	}
		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1800	})->prio (1);	2730	})->prio (1);
1801	}	2731	}
1802		2732
1803	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1804		2734
…		…
1806		2736
1807	sub parse_random_map_params {	2737	sub parse_random_map_params {
1808	my ($spec) = @_;	2738	my ($spec) = @_;
1809		2739
1810	my $rmp = { # defaults	2740	my $rmp = { # defaults
1811	xsize => 10,	2741	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2742	ysize => (cf::rndm 15, 40),
		2743	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2744	#layout => string,
1813	};	2745	};
1814		2746
1815	for (split /\n/, $spec) {	2747	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2748	my ($k, $v) = split /\s+/, $_, 2;
1817		2749
…		…
1829	# that depends on the exit object	2761	# that depends on the exit object
1830		2762
1831	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
1832		2764
1833	if ($exit->map) {	2765	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2766	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
1838	}	2772	}
1839		2773
1840	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
1841		2775
1842	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
		2778	my $meta = "$RANDOMDIR/$md5.meta";
1844		2779
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
		2782	undef $fh;
		2783	aio_rename "$meta~", $meta;
1847		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
1850	}	2791	}
1851	}	2792	}
1852		2793
1853	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
1857		2798
1858	$self->enter_link;	2799	$self->enter_link;
1859		2800
1860	(async {	2801	(async {
1861	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
1862	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
1863	prepare_random_map $exit	2811	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2812	if $exit->slaying eq "/!";
		2813	}
1865		2814
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
1868		2818
		2819	$self->goto ($map, $x, $y);
		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
1869	1;	2825	1
1870	}) {	2826	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2831
1876	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2833	$self->leave_link;
1878	}	2834	}
1879	})->prio (1);	2835	})->prio (1);
…		…
1892		2848
1893	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
1895		2851
1896	utf8::encode $text;	2852	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2854	}
1899		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
		3043	=item $client->ext_msg ($type, @msg)
		3044
		3045	Sends an ext event to the client.
		3046
		3047	=cut
		3048
		3049	sub cf::client::ext_msg($$@) {
		3050	my ($self, $type, @msg) = @_;
		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
		3055	push @msg, msgtype => "event_$type";
		3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
		3076	}
1900		3077
1901	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
1902		3079
1903	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		3083
1907	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	3085	become reliable at some point in the future.
1909		3086
1910	=cut	3087	=cut
1911		3088
1912	sub cf::client::query {	3089	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	3098	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		3100
1924	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
1926	}	3105	}
1927		3106
1928	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
1929	on_reply => sub {	3113	on_reply => sub {
1930	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
1931		3115
1932	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
1933	# get handled first	3117	# get handled first
1934	my $queue = delete $ns->{query_queue}	3118	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3119	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3120
1937	(shift @$queue)->[1]->($msg);	3121	(shift @$queue)->[1]->($msg);
		3122	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3123
1939	push @{ $ns->{query_queue} }, @$queue;	3124	push @{ $ns->{query_queue} }, @$queue;
1940		3125
1941	if (@{ $ns->{query_queue} } == @$queue) {	3126	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3127	if (@$queue) {
…		…
1944	} else {	3129	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3131	}
1947	}	3132	}
1948	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
1949	);	3160	);
1950		3161
1951	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
1952		3163
1953	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
1969		3180
1970	$coro	3181	$coro
1971	}	3182	}
1972		3183
1973	cf::client->attach (	3184	cf::client->attach (
1974	on_destroy => sub {	3185	on_client_destroy => sub {
1975	my ($ns) = @_;	3186	my ($ns) = @_;
1976		3187
1977	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1978	},	3189	},
1979	);	3190	);
…		…
1994	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
1996		3207
1997	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
1998		3209
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2000		3215
2001	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2002		3217
2003	=pod	3218	=pod
2004		3219
2005	The following fucntions and emthods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2006		3221
2007	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2008	cf::object::player player	3227	cf::object::player
2009	cf::player peaceful	3228	player
2010	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2011		3235
2012	=cut	3236	=cut
2013		3237
2014	for (	3238	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2016	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2018	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2019	) {	3245	) {
2020	no strict 'refs';	3246	no strict 'refs';
2021	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2022	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2040		3266
2041	my $qcode = $code;	3267	my $qcode = $code;
2042	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2043	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2044		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2045	local $_;	3274	local $_;
2046	local @safe::cf::_safe_eval_args = values %vars;
2047		3275
2048	my $eval =	3276	my $eval =
2049	"do {\n"	3277	"do {\n"
2050	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2051	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2052	. $code	3280	. $code
2053	. "\n}"	3281	. "\n}"
2054	;	3282	;
2055		3283
		3284	if ($CFG{safe_eval}) {
2056	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2057	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2058	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2059		3293
2060	if ($@) {	3294	if ($@) {
2061	warn "$@";	3295	warn "$@";
2062	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2063	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2082	=cut	3316	=cut
2083		3317
2084	sub register_script_function {	3318	sub register_script_function {
2085	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2086		3320
2087	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2088	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2089	}	3323	}
2090		3324
2091	=back	3325	=back
2092		3326
2093	=cut	3327	=cut
2094		3328
2095	#############################################################################	3329	#############################################################################
		3330	# the server's init and main functions
2096		3331
2097	=head2 EXTENSION DATABASE SUPPORT	3332	sub load_facedata($) {
		3333	my ($path) = @_;
2098		3334
2099	Crossfire maintains a very simple database for extension use. It can	3335	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3336	# for this (global event?)
2101	excludes objects.	3337	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3338
2103	The parameter C<$family> should best start with the name of the extension	3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3340
2106	=over 4	3341	warn "loading facedata from $path\n";
2107		3342
2108	=item $hashref = cf::db_get $family	3343	my $facedata;
		3344	0 < aio_load $path, $facedata
		3345	or die "$path: $!";
2109		3346
2110	Return a hashref for use by the extension C<$family>, which can be	3347	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3348
2114	=item $value = cf::db_get $family => $key	3349	$facedata->{version} == 2
		3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3351
2116	Returns a single value from the database	3352	# patch in the exptable
2117		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2118	=item cf::db_put $family => $hashref	3354	$facedata->{resource}{"res/exp_table"} = {
2119		3355	type => FT_RSRC,
2120	Stores the given family hashref into the database. Updates are delayed, if	3356	data => $exp_table,
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3357	hash => (Digest::MD5::md5 $exp_table),
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3358	};
		3359	cf::cede_to_tick;
2169		3360
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3361	{
		3362	my $faces = $facedata->{faceinfo};
2174		3363
2175	sub db_get($;$) {	3364	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3366
2181	sub db_put($$;$) {	3367	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3368	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2184	} else {	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3371
2190	cf::global->attach (	3372	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3373	}
2195	);
2196	}
2197		3374
2198	#############################################################################	3375	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3376	next unless $info->{smooth};
2200		3377
2201	sub cfg_load {	3378	my $idx = cf::face::find $face
		3379	or next;
		3380
		3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
		3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3384	} else {
		3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3386	}
		3387
		3388	cf::cede_to_tick;
		3389	}
		3390	}
		3391
		3392	{
		3393	my $anims = $facedata->{animinfo};
		3394
		3395	while (my ($anim, $info) = each %$anims) {
		3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3397	cf::cede_to_tick;
		3398	}
		3399
		3400	cf::anim::invalidate_all; # d'oh
		3401	}
		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
		3422	1
		3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_resources {
		3493	warn "reloading resource files...\n";
		3494
		3495	reload_facedata;
		3496	reload_archetypes;
		3497	reload_regions;
		3498	reload_treasures;
		3499
		3500	warn "finished reloading resource files\n";
		3501	}
		3502
		3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3507	or return;
2204		3508
2205	local $/;	3509	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2207		3511
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3513
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2215	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2216	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2217	};	3521	};
2218	warn $@ if $@;	3522	warn $@ if $@;
2219	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2220	}	3554	}
2221		3555
2222	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2223	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3569	(async {
		3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
		3572	})->prio (Coro::PRIO_MAX);
2227	};	3573	};
2228		3574
2229	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
		3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2231	load_extensions;	3598	load_extensions;
2232	Event::loop;	3599
		3600	utime time, time, $RUNTIMEFILE;
		3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2233	}	3613	}
2234		3614
2235	#############################################################################	3615	#############################################################################
2236	# initialisation and cleanup	3616	# initialisation and cleanup
2237		3617
2238	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2239	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2246	},
2247	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2248	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2249	}	3714	}
2250		3715
2251	sub emergency_save() {	3716	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2253		3718
2254	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2255		3720
2256	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2257	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2261	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3735	$pl->save;
2265	}	3736	}
2266	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2267		3738
2268	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2269	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2270	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3742	$map->valid or next;
2272	$map->save;	3743	$map->save;
2273	}	3744	}
2274	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
		3746
		3747	warn "emergency_perl_save: begin database checkpoint\n";
		3748	BDB::db_env_txn_checkpoint $DB_ENV;
		3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2275	};	3754	};
2276		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2277	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2278	}	3762	}
2279		3763
		3764	sub post_cleanup {
		3765	my ($make_core) = @_;
		3766
		3767	warn Carp::longmess "post_cleanup backtrace"
		3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
		3797	}
		3798
2280	sub reload() {	3799	sub do_reload_perl() {
2281	# can/must only be called in main	3800	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2283	warn "can only reload from main coroutine\n";	3802	warn "can only reload from main coroutine";
2284	return;	3803	return;
2285	}	3804	}
2286		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2287	warn "reloading...";	3811	warn "reloading...";
2288		3812
2289	warn "freezing server";	3813	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3814
		3815	cf::sync_job {
		3816	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3817	cf::emergency_save;
		3818	cf::write_runtime_sync; # external watchdog should not bark
2292		3819
2293	warn "sync database to disk";	3820	warn "syncing database to disk";
2294	cf::db_sync;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3822
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2299		3824
2300	warn "cancel all watchers";	3825	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3828	}
2325		3829
		3830	warn "cancelling all extension coros";
		3831	$_->cancel for values %EXT_CORO;
		3832	%EXT_CORO = ();
		3833
		3834	warn "removing commands";
		3835	%COMMAND = ();
		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3843	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3844
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2341	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2342	}	3854	}
2343		3855
2344	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2345	}	3871	}
2346		3872
2347	warn "get rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3876
2351	warn "unload cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
		3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2353		3880
2354	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3882	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2357		3884
		3885	warn "unload completed, starting to reload now";
		3886
2358	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2359	require cf;	3888	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2361		3890
2362	warn "load config and database again";	3891	warn "loading config and database again";
2363	cf::cfg_load;	3892	cf::reload_config;
2364	cf::db_load;
2365		3893
2366	warn "load extensions";	3894	warn "loading extensions";
2367	cf::load_extensions;	3895	cf::load_extensions;
2368		3896
		3897	if ($REATTACH_ON_RELOAD) {
2369	warn "reattach attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3899	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3900	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
		3902	warn "reattaching attachments to players";
		3903	reattach $_ for values %PLAYER;
		3904	}
		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
		3909	warn "leaving sync_job";
		3910
		3911	1
		3912	} or do {
		3913	warn $@;
		3914	cf::cleanup "error while reloading, exiting.";
		3915	};
		3916
		3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
		3923	};
		3924
		3925	our $RELOAD_WATCHER; # used only during reload
		3926
		3927	sub reload_perl() {
		3928	# doing reload synchronously and two reloads happen back-to-back,
		3929	# coro crashes during coro_state_free->destroy here.
		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
		3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3935	do_reload_perl;
		3936	undef $RELOAD_WATCHER;
		3937	};
2373	};	3938	};
2374		3939	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3940
2384	register_command "reload" => sub {	3941	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2386		3943
2387	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
		3948	reload_perl;
		3949	};
2391	}	3950	}
2392	};	3951	};
2393		3952
2394	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2395		3954
2396	$TICK_WATCHER = Event->timer (	3955	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3956
		3957	our @WAIT_FOR_TICK;
		3958	our @WAIT_FOR_TICK_BEGIN;
		3959
		3960	sub wait_for_tick {
		3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3962
		3963	my $signal = new Coro::Signal;
		3964	push @WAIT_FOR_TICK, $signal;
		3965	$signal->wait;
		3966	}
		3967
		3968	sub wait_for_tick_begin {
		3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3970
		3971	my $signal = new Coro::Signal;
		3972	push @WAIT_FOR_TICK_BEGIN, $signal;
		3973	$signal->wait;
		3974	}
		3975
		3976	sub tick {
		3977	if ($Coro::current != $Coro::main) {
		3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3979	unless ++$bug_warning > 10;
		3980	return;
		3981	}
		3982
2404	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3984
2408	$WAIT_FOR_TICK->broadcast;	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2410		3986
2411	# if we are delayed by four ticks or more, skip them all	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2413		3989	Coro::async_pool {
2414	$TICK_WATCHER->at ($NEXT_TICK);	3990	$Coro::current->{desc} = "runtime saver";
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3991	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3992	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3993	};
2438	},	3994	}
2439	);	3995
		3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3997	$sig->send;
		3998	}
		3999	while (my $sig = shift @WAIT_FOR_TICK) {
		4000	$sig->send;
		4001	}
		4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
		4012	}
		4013	}
		4014
		4015	{
		4016	# configure BDB
		4017
		4018	BDB::min_parallel 16;
		4019	BDB::max_poll_reqs $TICK * 0.1;
		4020	$AnyEvent::BDB::WATCHER->priority (1);
		4021
		4022	unless ($DB_ENV) {
		4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4029
		4030	cf::sync_job {
		4031	eval {
		4032	BDB::db_env_open
		4033	$DB_ENV,
		4034	$BDBDIR,
		4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4037	0666;
		4038
		4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4040	};
		4041
		4042	cf::cleanup "db_env_open(db): $@" if $@;
		4043	};
		4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
		4055	}
		4056
		4057	{
		4058	# configure IO::AIO
		4059
		4060	IO::AIO::min_parallel 8;
		4061	IO::AIO::max_poll_time $TICK * 0.1;
		4062	undef $AnyEvent::AIO::WATCHER;
		4063	}
		4064
		4065	my $_log_backtrace;
		4066
		4067	sub _log_backtrace {
		4068	my ($msg, @addr) = @_;
		4069
		4070	$msg =~ s/\n//;
		4071
		4072	# limit the # of concurrent backtraces
		4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
		4104	}
		4105	}
		4106
		4107	# load additional modules
		4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2440		4110
2441	END { cf::emergency_save }	4111	END { cf::emergency_save }
2442		4112
2443	1	4113	1
2444		4114

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