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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	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		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
46		95
47	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	114	our $NEXT_TICK;
50	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
51		123
52	our %CFG;	124	our %CFG;
53		125
54	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
56		129
57	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		133
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	134	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
64		146
65	binmode STDOUT;	147	binmode STDOUT;
66	binmode STDERR;	148	binmode STDERR;
67		149
68	# read virtual server time, if available	150	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
73	}	155	}
74		156
75	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		158
81	# a special map that is always available	159	mkdir $_
82	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
83	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
		163
		164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
84		176
85	#############################################################################	177	#############################################################################
86		178
87	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
88		180
…		…
95	=item $cf::RUNTIME	187	=item $cf::RUNTIME
96		188
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	189	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	190	every server tick.
99		191
100	=item $cf::LIBDIR	192	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		193	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		194	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		195
102	The perl library directory, where extensions and cf-specific modules can	196	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	197	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		198	unique-items directory, player file directory, random maps directory and
		199	database environment.
104		200
105	=item $cf::NOW	201	=item $cf::NOW
106		202
107	The time of the last (current) server tick.	203	The time of the last (current) server tick.
108		204
109	=item $cf::TICK	205	=item $cf::TICK
110		206
111	The interval between server ticks, in seconds.	207	The interval between server ticks, in seconds.
112		208
		209	=item $cf::LOADAVG
		210
		211	The current CPU load on the server (alpha-smoothed), as a value between 0
		212	(none) and 1 (overloaded), indicating how much time is spent on processing
		213	objects per tick. Healthy values are < 0.5.
		214
		215	=item $cf::LOAD
		216
		217	The raw value load value from the last tick.
		218
113	=item %cf::CFG	219	=item %cf::CFG
114		220
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	222	from wherever your confdir points to.
117		223
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		225
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	227	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
124		241
125	=back	242	=back
126		243
127	=cut	244	=cut
128		245
129	BEGIN {	246	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	247	my $msg = join "", @_;
132	utf8::encode $msg;
133		248
134	$msg .= "\n"	249	$msg .= "\n"
135	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
136		251
		252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		253
137	LOG llevError, $msg;	254	LOG llevError, $msg;
138	};	255	};
139	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
140		270
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		278
148	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	280	# within the Safe compartment.
150	for my $pkg (qw(	281	for my $pkg (qw(
151	cf::global cf::attachable	282	cf::global cf::attachable
152	cf::object cf::object::player	283	cf::object cf::object::player
153	cf::client cf::player	284	cf::client cf::player
154	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
155	cf::map cf::party cf::region	287	cf::party cf::region
156	)) {	288	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	290	}
160		291
161	$Event::DIED = sub {	292	$EV::DIED = sub {
162	warn "error in event callback: @_";	293	warn "error in event callback: @_";
163	};	294	};
		295
		296	#############################################################################
164		297
165	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
166		299
167	=over 4	300	=over 4
168		301
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	321	$d
189	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
190	}	323	}
191		324
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
195		326
196	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
197		328
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
206		330
207	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
208		332
209	=cut	333	=cut
210		334
211	sub to_json($) {	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	336
213	JSON::Syck::Dump $_[0]	337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
214	}	352	}
215		353
216	=item cf::lock_wait $string	354	=item cf::lock_wait $string
217		355
218	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
219		357
220	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
221		359
222	Wait until the given lock is available and then acquires it and returns	360	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	361	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	362	for example when the coroutine gets canceled), the lock is automatically
225	returned.	363	returned.
226		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
227	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
229		370
230	=cut	371	=item $locked = cf::lock_active $string
231		372
232	our %LOCK;	373	Return true if the lock is currently active, i.e. somebody has locked it.
		374
		375	=cut
		376
		377	our $LOCKS = new Coro::SemaphoreSet;
233		378
234	sub lock_wait($) {	379	sub lock_wait($) {
235	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	381	}
243		382
244	sub lock_acquire($) {	383	sub lock_acquire($) {
245	my ($key) = @_;	384	$LOCKS->guard ($_[0])
		385	}
246		386
247	# wait, to be sure we are not locked	387	sub lock_active($) {
248	lock_wait $key;	388	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	389	}
257		390
258	sub freeze_mainloop {	391	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
260		393
261	my $guard = Coro::guard { $TICK_WATCHER->start };	394	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	395	}
263	$guard	396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
		455	}
		456	};
		457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
264	}	470	}
265		471
266	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
267		473
268	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		479
274	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
275		481
276	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
277		483
278	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
281		488
282	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
285	fast or be very important.	492	fast or be very important.
…		…
288		495
289	sub sync_job(&) {	496	sub sync_job(&) {
290	my ($job) = @_;	497	my ($job) = @_;
291		498
292	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
		500	my $time = EV::time;
		501
293	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
295		504
296	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	506
298	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
299		508
300	my $busy = 1;	509	my $busy = 1;
301	my @res;	510	my @res;
302		511
303	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	514	@res = eval { $job->() };
305	warn $@ if $@;	515	warn $@ if $@;
306	undef $busy;	516	undef $busy;
307	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
308		518
309	while ($busy) {	519	while ($busy) {
310	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
311	}	524	}
		525	}
		526
		527	my $time = EV::time - $time;
		528
		529	$TICK_START += $time; # do not account sync jobs to server load
312		530
313	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
314	} else {	532	} else {
315	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
316		534
…		…
336	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
337		555
338	$coro	556	$coro
339	}	557	}
340		558
341	sub write_runtime {	559	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		560
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	Executes the given code block with the given arguments in a seperate
345	or return;	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
346		565
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	566	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		567
351	aio_fsync $fh	568	sub fork_call(&@) {
352	and return;	569	my ($cb, @args) = @_;
353		570
354	close $fh	571	# we seemingly have to make a local copy of the whole thing,
355	or return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
356		574
357	aio_rename "$runtime~", $runtime	575	my @res = Coro::Util::fork_eval {
358	and return;	576	reset_signals;
		577	&$cb
		578	}, @args;
359		579
		580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
360	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
		735	}
		736
		737	=item cf::datalog type => key => value, ...
		738
		739	Log a datalog packet of the given type with the given key-value pairs.
		740
		741	=cut
		742
		743	sub datalog($@) {
		744	my ($type, %kv) = @_;
		745	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	746	}
362		747
363	=back	748	=back
364		749
365	=cut	750	=cut
366		751
367	#############################################################################	752	#############################################################################
368		753
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
525		755
526	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
529		759
530	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	762	Deliantra).
533		763
534	=over 4	764	=over 4
535		765
536	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
537		767
…		…
581	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
582		812
583	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
585		815
586	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
588		818
589	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
590		820
591	=over 4	821	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	881	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	882	our @CB_MAP = ();
653		883
654	my %attachment;	884	my %attachment;
655		885
		886	sub cf::attachable::thawer_merge {
		887	# simply override everything except _meta
		888	local $_[0]{_meta};
		889	%{$_[0]} = %{$_[1]};
		890	}
		891
656	sub _attach_cb($$$$) {	892	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	893	my ($registry, $event, $prio, $cb) = @_;
658		894
659	use sort 'stable';	895	use sort 'stable';
660		896
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	930	$registry = $CB_TYPE[$object_type] ||= [];
695		931
696	} elsif ($type eq "subtype") {	932	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	933	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	934	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	935	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		936
701	} elsif ($type eq "package") {	937	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	938	my $pkg = shift @arg;
703		939
704	while (my ($name, $id) = each %cb_id) {	940	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
734	}	970	}
735		971
736	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
737	} else {	973	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	975	}
740		976
741	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
742	}	978	}
743		979
…		…
745	if (ref $_[0]) {	981	if (ref $_[0]) {
746	_object_attach @_;	982	_object_attach @_;
747	} else {	983	} else {
748	_attach shift->_attach_registry, @_;	984	_attach shift->_attach_registry, @_;
749	}	985	}
		986	_recalc_want;
750	};	987	};
751		988
752	# all those should be optimised	989	# all those should be optimised
753	sub cf::attachable::detach {	990	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	991	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	994	delete $obj->{_attachment}{$name};
758	reattach ($obj);	995	reattach ($obj);
759	} else {	996	} else {
760	Carp::croak "cannot, currently, detach class attachments";	997	Carp::croak "cannot, currently, detach class attachments";
761	}	998	}
		999	_recalc_want;
762	};	1000	};
763		1001
764	sub cf::attachable::attached {	1002	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	1003	my ($obj, $name) = @_;
766		1004
…		…
781	";	1019	";
782	die if $@;	1020	die if $@;
783	}	1021	}
784		1022
785	our $override;	1023	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1025
788	sub override {	1026	sub override {
789	$override = 1;	1027	$override = 1;
790	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
791	}	1029	}
792		1030
793	sub do_invoke {	1031	sub do_invoke {
794	my $event = shift;	1032	my $event = shift;
795	my $callbacks = shift;	1033	my $callbacks = shift;
796		1034
797	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
798		1036
799	local $override;	1037	local $override;
800		1038
801	for (@$callbacks) {	1039	for (@$callbacks) {
802	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
811	}	1049	}
812		1050
813	0	1051	0
814	}	1052	}
815		1053
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1055
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1057
820	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
821		1059
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1061	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1063
826	=back	1064	=back
827		1065
828	=cut	1066	=cut
829		1067
830	#############################################################################	1068	#############################################################################
831	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
832		1112
833	sub reattach {	1113	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1115	my ($obj) = @_;
		1116
		1117	# no longer needed after getting rid of delete_package?
		1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1119
837	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
838		1121
839	@$registry = ();	1122	@$registry = ();
840		1123
…		…
855	cf::attachable->attach (	1138	cf::attachable->attach (
856	prio => -1000000,	1139	prio => -1000000,
857	on_instantiate => sub {	1140	on_instantiate => sub {
858	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
859		1142
860	$data = from_json $data;	1143	$data = decode_json $data;
861		1144
862	for (@$data) {	1145	for (@$data) {
863	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
864		1147
865	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1164	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
883		1166
884	sync_job {	1167	sync_job {
885	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
888		1172
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1176	if ($cf::USE_FSYNC) {
		1177	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;
892	aio_fsync $fh;	1178	aio_fsync $fh;
		1179	}
893	close $fh;	1180	aio_close $fh;
894		1181
895	if (@$objs) {	1182	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
900	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
901	close $fh;	1191	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
903	}	1193	}
904	} else {	1194	} else {
905	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
906	}	1196	}
907		1197
908	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1202	} else {
910	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
911	}	1204	}
912	} else {	1205	} else {
913	aio_unlink $filename;	1206	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
915	}	1208	}
916	}	1209	};
917	}	1210	}
918		1211
919	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
921		1214
…		…
933	or return;	1226	or return;
934		1227
935	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
937	or return;	1230	or return;
		1231
938	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
939	}	1234	}
940		1235
		1236	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
943	return ($data, $av);	1240	($data, $av)
944	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
945		1248
946	#############################################################################	1249	#############################################################################
947	# command handling &c	1250	# command handling &c
948		1251
949	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1266	}
964		1267
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1269
967	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
968		1275
969	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
970	called.	1277	called.
971		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
972	=cut	1290	=cut
973		1291
974	sub register_extcmd {	1292	sub register_extcmd {
975	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
976		1294
977	$EXTCMD{$name} = $cb;	1295	$EXTCMD{$name} = $cb;
978	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
979		1305
980	cf::player->attach (	1306	cf::player->attach (
981	on_command => sub {	1307	on_command => sub {
982	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
983		1309
…		…
991	cf::override;	1317	cf::override;
992	},	1318	},
993	on_extcmd => sub {	1319	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
995		1321
996	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1323
998	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
1004	} else {	1339	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1341	}
1007		1342
1008	cf::override;	1343	cf::override;
1009	},	1344	},
1010	);	1345	);
1011		1346
		1347	# "readahead" all extensions
1012	sub load_extension {	1348	sub cache_extensions {
1013	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
1014		1350
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1016	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1354	}
1019	$pkg = "ext::$pkg";	1355	};
1020		1356
1021	warn "... loading '$path' into '$pkg'\n";	1357	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1358	}
1038		1359
1039	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
1040	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1365	next unless -r $path;
1042	eval {	1366
1043	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
1044	1	1423	}
1045	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
1046	}	1429	};
1047	}	1430	}
1048		1431
1049	#############################################################################	1432	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1433
1052	*cf::mapsupport::on_clean = sub {	1434	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1435
1065	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1066		1437
1067	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1068		1439
1069	=cut	1440	=cut
1070		1441
1071	package cf::player;	1442	package cf::player;
1072		1443
…		…
1074		1445
1075	=head3 cf::player	1446	=head3 cf::player
1076		1447
1077	=over 4	1448	=over 4
1078		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
		1463
1079	=item cf::player::find $login	1464	=item cf::player::find $login
1080		1465
1081	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
1082		1467
1083	=cut	1468	=cut
1084		1469
1085	sub playerdir($) {	1470	sub playerdir($) {
1086	cf::localdir	1471	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1472	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1473	}
1092		1474
1093	sub path($) {	1475	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1476	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1477
1096	(playerdir $login) . "/$login.pl"	1478	(playerdir $login) . "/playerdata"
1097	}	1479	}
1098		1480
1099	sub find_active($) {	1481	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1482	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1483	and $cf::PLAYER{$_[0]}->active
…		…
1104		1486
1105	sub exists($) {	1487	sub exists($) {
1106	my ($login) = @_;	1488	my ($login) = @_;
1107		1489
1108	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1491	or !aio_stat path $login
1110	}	1492	}
1111		1493
1112	sub find($) {	1494	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1496	my $login = $_[0];
1115		1497
1116	my $guard = cf::lock_acquire "user_find:$login";	1498	my $guard = cf::lock_acquire "user_find:$login";
1117		1499
1118	$cf::PLAYER{$_[0]} || do {	1500	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1501	# rename old playerfiles to new ones
		1502	#TODO: remove when no longer required
		1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1506	aio_unlink +(playerdir $login) . "/$login.pl";
		1507
		1508	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1122	}	1517	}
1123	}	1518	}
1124	}	1519	}
1125		1520
…		…
1134	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1135		1530
1136	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1138		1533
		1534	cf::get_slot 0.01;
		1535
1139	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1140	Coro::cede;	1537	cf::cede_to_tick;
1141	}	1538	}
1142		1539
1143	sub new($) {	1540	sub new($) {
1144	my ($login) = @_;	1541	my ($login) = @_;
1145		1542
…		…
1151	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1152		1549
1153	$self	1550	$self
1154	}	1551	}
1155		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
1156	=item $pl->quit_character	1563	=item $pl->quit_character
1157		1564
1158	Nukes the player without looking back. If logged in, the connection will	1565	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1566	be destroyed. May block for a long time.
1160		1567
1161	=cut	1568	=cut
1162		1569
1163	sub quit_character {	1570	sub quit_character {
1164	my ($pl) = @_;	1571	my ($pl) = @_;
1165		1572
		1573	my $name = $pl->ob->name;
		1574
1166	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1577
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1172	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1173		1584
1174	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1587	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1588	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1589	$pl->destroy;
		1590
		1591	my $prefix = qr<^~\Q$name\E/>;
		1592
		1593	# nuke player maps
		1594	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1595
1179	IO::AIO::aio_rmtree $temp;	1596	IO::AIO::aio_rmtree $temp;
		1597	}
		1598
		1599	=item $pl->kick
		1600
		1601	Kicks a player out of the game. This destroys the connection.
		1602
		1603	=cut
		1604
		1605	sub kick {
		1606	my ($pl, $kicker) = @_;
		1607
		1608	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1609	$pl->killer ("kicked");
		1610	$pl->ns->destroy;
1180	}	1611	}
1181		1612
1182	=item cf::player::list_logins	1613	=item cf::player::list_logins
1183		1614
1184	Returns am arrayref of all valid playernames in the system, can take a	1615	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1616	while and may block, so not sync_job-capable, ever.
1186		1617
1187	=cut	1618	=cut
1188		1619
1189	sub list_logins {	1620	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1621	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1622	or return [];
1192		1623
1193	my @logins;	1624	my @logins;
1194		1625
1195	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
1199		1636
1200	utf8::decode $login;	1637	utf8::decode $login;
1201	push @logins, $login;	1638	push @logins, $login;
1202	}	1639	}
1203		1640
1204	\@logins	1641	\@logins
1205	}	1642	}
1206		1643
1207	=item $player->maps	1644	=item $player->maps
1208		1645
1209	Returns an arrayref of cf::path's of all maps that are private for this	1646	Returns an arrayref of map paths that are private for this
1210	player. May block.	1647	player. May block.
1211		1648
1212	=cut	1649	=cut
1213		1650
1214	sub maps($) {	1651	sub maps($) {
1215	my ($pl) = @_;	1652	my ($pl) = @_;
		1653
		1654	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1655
1217	my $files = aio_readdir playerdir $pl	1656	my $files = aio_readdir playerdir $pl
1218	or return;	1657	or return;
1219		1658
1220	my @paths;	1659	my @paths;
…		…
1222	for (@$files) {	1661	for (@$files) {
1223	utf8::decode $_;	1662	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1663	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1664	next unless /^$PATH_SEP/o;
1226		1665
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1666	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1667	}
1229		1668
1230	\@paths	1669	\@paths
1231	}	1670	}
1232		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1234		1677
1235	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1236		1679
1237	=cut	1680	=cut
1238		1681
1239	sub ext_reply($$$%) {	1682	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1241		1684
1242	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1686	}
1246		1687
1247	package cf;	1688	=item $player->ext_msg ($type, @msg)
		1689
		1690	Sends an ext event to the client.
		1691
		1692	=cut
		1693
		1694	sub ext_msg($$@) {
		1695	my ($self, $type, @msg) = @_;
		1696
		1697	$self->ns->ext_msg ($type, @msg);
		1698	}
		1699
		1700	=head3 cf::region
		1701
		1702	=over 4
		1703
		1704	=cut
		1705
		1706	package cf::region;
		1707
		1708	=item cf::region::find_by_path $path
		1709
		1710	Tries to decuce the likely region for a map knowing only its path.
		1711
		1712	=cut
		1713
		1714	sub find_by_path($) {
		1715	my ($path) = @_;
		1716
		1717	my ($match, $specificity);
		1718
		1719	for my $region (list) {
		1720	if ($region->{match} && $path =~ $region->{match}) {
		1721	($match, $specificity) = ($region, $region->specificity)
		1722	if $region->specificity > $specificity;
		1723	}
		1724	}
		1725
		1726	$match
		1727	}
1248		1728
1249	=back	1729	=back
1250
1251		1730
1252	=head3 cf::map	1731	=head3 cf::map
1253		1732
1254	=over 4	1733	=over 4
1255		1734
…		…
1258	package cf::map;	1737	package cf::map;
1259		1738
1260	use Fcntl;	1739	use Fcntl;
1261	use Coro::AIO;	1740	use Coro::AIO;
1262		1741
		1742	use overload
		1743	'""' => \&as_string,
		1744	fallback => 1;
		1745
1263	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1265		1748
1266	sub generate_random_map {	1749	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1753
1269	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1755	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1759	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1760	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1761	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1762	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1763	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1764	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1765	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1766	(cf::region::find $rmp->{region}), $rmp->{custom}
		1767	)
1283	}	1768	}
1284		1769
1285	# and all this just because we cannot iterate over	1770	=item cf::map->register ($regex, $prio)
1286	# all maps in C++...
1287	sub change_all_map_light {
1288	my ($change) = @_;
1289		1771
1290	$_->change_map_light ($change)	1772	Register a handler for the map path matching the given regex at the
1291	for grep $_->outdoor, values %cf::MAP;	1773	givne priority (higher is better, built-in handlers have priority 0, the
1292	}	1774	default).
1293		1775
1294	sub load_map_header($) {	1776	=cut
		1777
		1778	sub register {
		1779	my (undef, $regex, $prio) = @_;
		1780	my $pkg = caller;
		1781
		1782	no strict;
		1783	push @{"$pkg\::ISA"}, __PACKAGE__;
		1784
		1785	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1786	}
		1787
		1788	# also paths starting with '/'
		1789	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1790
		1791	sub thawer_merge {
		1792	my ($self, $merge) = @_;
		1793
		1794	# we have to keep some variables in memory intact
		1795	local $self->{path};
		1796	local $self->{load_path};
		1797
		1798	$self->SUPER::thawer_merge ($merge);
		1799	}
		1800
		1801	sub normalise {
1295	my ($path) = @_;	1802	my ($path, $base) = @_;
		1803
		1804	$path = "$path"; # make sure its a string
		1805
		1806	$path =~ s/\.map$//;
		1807
		1808	# map plan:
		1809	#
		1810	# /! non-realised random map exit (special hack!)
		1811	# {... are special paths that are not being touched
		1812	# ?xxx/... are special absolute paths
		1813	# ?random/... random maps
		1814	# /... normal maps
		1815	# ~user/... per-player map of a specific user
		1816
		1817	$path =~ s/$PATH_SEP/\//go;
		1818
		1819	# treat it as relative path if it starts with
		1820	# something that looks reasonable
		1821	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1822	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1823
		1824	$base =~ s{[^/]+/?$}{};
		1825	$path = "$base/$path";
		1826	}
		1827
		1828	for ($path) {
		1829	redo if s{//}{/};
		1830	redo if s{/\.?/}{/};
		1831	redo if s{/[^/]+/\.\./}{/};
		1832	}
		1833
		1834	$path
		1835	}
		1836
		1837	sub new_from_path {
		1838	my (undef, $path, $base) = @_;
		1839
		1840	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1841
		1842	$path = normalise $path, $base;
		1843
		1844	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1845	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1846	my $self = bless cf::map::new, $pkg;
		1847	$self->{path} = $path; $self->path ($path);
		1848	$self->init; # pass $1 etc.
		1849	return $self;
		1850	}
		1851	}
		1852
		1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1854	()
		1855	}
		1856
		1857	sub init {
		1858	my ($self) = @_;
		1859
		1860	$self
		1861	}
		1862
		1863	sub as_string {
		1864	my ($self) = @_;
		1865
		1866	"$self->{path}"
		1867	}
		1868
		1869	# the displayed name, this is a one way mapping
		1870	sub visible_name {
		1871	&as_string
		1872	}
		1873
		1874	# the original (read-only) location
		1875	sub load_path {
		1876	my ($self) = @_;
		1877
		1878	"$MAPDIR/$self->{path}.map"
		1879	}
		1880
		1881	# the temporary/swap location
		1882	sub save_path {
		1883	my ($self) = @_;
		1884
		1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1886	"$TMPDIR/$path.map"
		1887	}
		1888
		1889	# the unique path, undef == no special unique path
		1890	sub uniq_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$UNIQUEDIR/$path"
		1895	}
		1896
		1897	sub decay_objects {
		1898	my ($self) = @_;
		1899
		1900	return if $self->{deny_reset};
		1901
		1902	$self->do_decay_objects;
		1903	}
		1904
		1905	sub unlink_save {
		1906	my ($self) = @_;
		1907
		1908	utf8::encode (my $save = $self->save_path);
		1909	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1911	}
		1912
		1913	sub load_header_from($) {
		1914	my ($self, $path) = @_;
1296		1915
1297	utf8::encode $path;	1916	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1299	or return;	1918	or return;
1300		1919
1301	my $map = cf::map::new	1920	$self->_load_header ($f)
1302	or return;	1921	or return;
1303		1922
1304	# for better error messages only, will be overwritten later	1923	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1924	$f->resolve_delayed_derefs;
1306		1925
1307	$map->load_header ($path)	1926	$self->{load_path} = $path;
		1927
		1928	1
		1929	}
		1930
		1931	sub load_header_orig {
		1932	my ($self) = @_;
		1933
		1934	$self->load_header_from ($self->load_path)
		1935	}
		1936
		1937	sub load_header_temp {
		1938	my ($self) = @_;
		1939
		1940	$self->load_header_from ($self->save_path)
		1941	}
		1942
		1943	sub prepare_temp {
		1944	my ($self) = @_;
		1945
		1946	$self->last_access ((delete $self->{last_access})
		1947	|| $cf::RUNTIME); #d#
		1948	# safety
		1949	$self->{instantiate_time} = $cf::RUNTIME
		1950	if $self->{instantiate_time} > $cf::RUNTIME;
		1951	}
		1952
		1953	sub prepare_orig {
		1954	my ($self) = @_;
		1955
		1956	$self->{load_original} = 1;
		1957	$self->{instantiate_time} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959	$self->instantiate;
		1960	}
		1961
		1962	sub load_header {
		1963	my ($self) = @_;
		1964
		1965	if ($self->load_header_temp) {
		1966	$self->prepare_temp;
		1967	} else {
		1968	$self->load_header_orig
1308	or return;	1969	or return;
		1970	$self->prepare_orig;
		1971	}
1309		1972
1310	$map->{load_path} = $path;	1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
1311		1975
1312	$map	1976	$self->default_region (cf::region::find_by_path $self->{path})
		1977	unless $self->default_region;
		1978
		1979	1
1313	}	1980	}
1314		1981
1315	sub find;	1982	sub find;
1316	sub find {	1983	sub find {
1317	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1318		1985
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1987
1324	cf::lock_wait "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326	$cf::MAP{$key} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1328		1990
1329	# do it the slow way	1991	$cf::MAP{$path} || do {
1330	my $map = $path->load_temp;	1992	my $map = new_from_path cf::map $path
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1993	or return;
1343		1994
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1356		1996
1357	Coro::cede;	1997	$map->load_header
		1998	or return;
1358		1999
1359	if ($map->should_reset) {	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
		2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1360	$map->reset;	2005	$map->reset;
1361	undef $guard;
1362	$map = find $path	2006	return find $path;
1363	or return;
1364	}	2007	}
1365		2008
1366	$cf::MAP{$key} = $map	2009	$cf::MAP{$path} = $map
1367	}	2010	}
1368	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1369		2015
1370	sub load {	2016	sub load {
1371	my ($self) = @_;	2017	my ($self) = @_;
1372		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1373	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2024	my $guard = cf::lock_acquire "map_data:$path";
1375		2025
		2026	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		2028
1378	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1379		2030
1380	$self->alloc;	2031	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2032
		2033	$self->pre_load;
		2034	cf::cede_to_tick;
		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1382	or return;	2039	or return;
1383		2040
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1385	if delete $self->{load_original};	2042	if delete $self->{load_original};
1386		2043
1387	if (my $uniq = $path->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2045	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2048	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1392	}	2052	}
1393	}	2053	}
1394		2054
1395	Coro::cede;	2055	$f->resolve_delayed_derefs;
1396		2056
		2057	cf::cede_to_tick;
1397	# now do the right thing for maps	2058	# now do the right thing for maps
1398	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2061	unless $self->difficulty;
		2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
1410	$self->activate;	2069	$self->activate;
1411	}	2070	}
1412		2071
1413	Coro::cede;	2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
1414		2074
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
		2076	}
		2077
		2078	$self->post_load;
		2079	}
		2080
		2081	sub customise_for {
		2082	my ($self, $ob) = @_;
		2083
		2084	return find "~" . $ob->name . "/" . $self->{path}
		2085	if $self->per_player;
		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
		2090	$self
1416	}	2091	}
1417		2092
1418	# find and load all maps in the 3x3 area around a map	2093	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2094	sub load_neighbours {
1420	my ($map) = @_;	2095	my ($map) = @_;
1421		2096
1422	my @diag; # diagonal neighbours	2097	my @neigh; # diagonal neighbours
1423		2098
1424	for (0 .. 3) {	2099	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2100	my $neigh = $map->tile_path ($_)
1426	or next;	2101	or next;
1427	$neigh = find $neigh, $map	2102	$neigh = find $neigh, $map
1428	or next;	2103	or next;
1429	$neigh->load;	2104	$neigh->load;
1430		2105
		2106	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2109	}
1434		2110
1435	for (@diag) {	2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2113	my $neigh = find $path, $origin
1437	or next;	2114	or next;
1438	$neigh->load;	2115	$neigh->load;
1439	}	2116	}
1440	}	2117	}
1441		2118
…		…
1446	}	2123	}
1447		2124
1448	sub do_load_sync {	2125	sub do_load_sync {
1449	my ($map) = @_;	2126	my ($map) = @_;
1450		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1451	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
1452	}	2132	}
1453		2133
1454	our %MAP_PREFETCH;	2134	our %MAP_PREFETCH;
		2135	our $MAP_PREFETCHER = undef;
		2136
		2137	sub find_async {
		2138	my ($path, $origin, $load) = @_;
		2139
		2140	$path = normalise $path, $origin && $origin->{path};
		2141
		2142	if (my $map = $cf::MAP{$path}) {
		2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2144	}
		2145
		2146	$MAP_PREFETCH{$path} |= $load;
		2147
1455	our $MAP_PREFETCHER = Coro::async {	2148	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2149	$Coro::current->{desc} = "map prefetcher";
		2150
1457	while (%MAP_PREFETCH) {	2151	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2152	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2153	if (my $map = find $k) {
		2154	$map->load if $v;
		2155	}
		2156
1460	my $path = delete $MAP_PREFETCH{$key};	2157	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2158	}
1466	Coro::schedule;	2159	}
		2160	undef $MAP_PREFETCHER;
1467	}	2161	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2162	$MAP_PREFETCHER->prio (6);
1482		2163
1483	()	2164	()
1484	}	2165	}
1485		2166
1486	sub save {	2167	sub save {
1487	my ($self) = @_;	2168	my ($self) = @_;
1488		2169
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2171
1491	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1492		2173
1493	return unless $self->dirty;	2174	return unless $self->dirty;
1494		2175
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2176	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2177	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2178
1498	$self->{load_path} = $save;	2179	$self->{load_path} = $save;
1499		2180
1500	return if $self->{deny_save};	2181	return if $self->{deny_save};
1501		2182
1502	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1503		2184
1504	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1506	};	2188	};
1507		2189
		2190	cf::get_slot 0.02;
		2191
1508	if ($uniq) {	2192	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2195	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2197	}
1514	}	2198	}
1515		2199
1516	sub swap_out {	2200	sub swap_out {
1517	my ($self) = @_;	2201	my ($self) = @_;
1518		2202
1519	# save first because save cedes	2203	# save first because save cedes
1520	$self->save;	2204	$self->save;
1521		2205
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2207
1524	return if $self->players;	2208	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2210	return if $self->{deny_save};
1527		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2216	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2217	}
1531		2218
1532	sub reset_at {	2219	sub reset_at {
1533	my ($self) = @_;	2220	my ($self) = @_;
1534		2221
1535	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1538		2224
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2227
…		…
1546	my ($self) = @_;	2232	my ($self) = @_;
1547		2233
1548	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1549	}	2235	}
1550		2236
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2237	sub reset {
1573	my ($self) = @_;	2238	my ($self) = @_;
1574		2239
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2241
1577	return if $self->players;	2242	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2243
1580	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1581		2255
1582	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1583		2257
		2258	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2259	$_->clear_links_to ($self) for values %cf::MAP;
		2260	$self->clear;
1585		2261
1586	$self->unlink_save;	2262	$self->unlink_save;
1587	$self->destroy;	2263	$self->destroy;
1588	}	2264	}
1589		2265
1590	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1591		2267
1592	sub nuke {	2268	sub nuke {
1593	my ($self) = @_;	2269	my ($self) = @_;
1594		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
		2274	delete $cf::MAP{$self->path};
		2275
		2276	$self->unlink_save;
		2277
		2278	bless $self, "cf::map";
		2279	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1598	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
1599	}	2288	}
1600		2289
1601	sub customise_for {	2290	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2291
1604	if ($map->per_player) {	2292	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
1606	}	2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
1607		2307
1608	$map	2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1609	}	2324	}
1610		2325
1611	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1612		2327
1613	Returns an arrayref of cf::path's of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2329	instantiated unique items. May block.
1615		2330
1616	=cut	2331	=cut
1617		2332
1618	sub unique_maps() {	2333	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1620	or return;	2335	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2336	utf8::decode $_;
1626	next if /\.pst$/;	2337	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2339	? ()
1629	push @paths, new cf::path $_;	2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2342	]
1631
1632	\@paths
1633	}	2343	}
1634
1635	package cf;
1636		2344
1637	=back	2345	=back
1638		2346
1639	=head3 cf::object	2347	=head3 cf::object
1640		2348
…		…
1644		2352
1645	=over 4	2353	=over 4
1646		2354
1647	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
1648		2356
1649	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
1650		2359
1651	=cut	2360	=cut
1652		2361
1653	sub inv_recursive_;	2362	sub inv_recursive_;
1654	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
1657		2366
1658	sub inv_recursive {	2367	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
1660	}	2369	}
1661		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
		2397	}
		2398
1662	package cf;	2399	package cf;
1663		2400
1664	=back	2401	=back
1665		2402
1666	=head3 cf::object::player	2403	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1675		2412
1676	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1677		2428
1678	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2430	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1683		2434
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2436
1686	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1688	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1691	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1692	}	2462	}
1693		2463
1694	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1695		2465
1696	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1709		2479
1710	=item $player_object->enter_link	2480	=item $player_object->enter_link
1711		2481
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2483
1714	The player should be reaosnably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
		2488
		2489	Will never block.
1716		2490
1717	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1718		2492
1719	Moves the player out of the specila link map onto the given map. If the	2493	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2494	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2495	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2496	fails, to the emergency map position.
1723		2497
1724	Might block.	2498	Might block.
1725		2499
1726	=cut	2500	=cut
		2501
		2502	sub link_map {
		2503	unless ($LINK_MAP) {
		2504	$LINK_MAP = cf::map::find "{link}"
		2505	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2506	$LINK_MAP->load;
		2507	}
		2508
		2509	$LINK_MAP
		2510	}
1727		2511
1728	sub cf::object::player::enter_link {	2512	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2513	my ($self) = @_;
1730		2514
1731	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1732		2516
1733	return if $self->map == $LINK_MAP;	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2518
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1737		2521
1738	$self->enter_map ($LINK_MAP, 20, 20);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2523	}
1740		2524
1741	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1743		2529
1744	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1745		2531
1746	unless ($map) {	2532	unless ($map) {
1747	# restore original map position	2533	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1764		2550
1765	$map->load;	2551	$map->load;
1766	$map->load_diag;	2552	$map->load_neighbours;
1767		2553
1768	return unless $self->contr->active;	2554	return unless $self->contr->active;
		2555
		2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
1769	$self->activate_recursive;	2560	$self->activate_recursive;
1770	$self->enter_map ($map, $x, $y);
1771	}	2561	}
1772		2562
1773	cf::player->attach (	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2564
1777	# abort map switching before logout	2565	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2566	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2567	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2568	the new (success) or old (failed) map position. In either case, $done will
1781	};	2569	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2570
1787	# try to abort aborted map switching on player login :)	2571	Note that $check will be called with a potentially non-loaded map, so if
1788	# should happen only on crashes	2572	it needs a loaded map it has to call C<< ->load >>.
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2573
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2574	=cut
		2575
		2576	our $GOTOGEN;
1808		2577
1809	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2580
1812	$path = new cf::path $path;	2581	# do generation counting so two concurrent goto's will be executed in-order
		2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2583
1814	$self->enter_link;	2584	$self->enter_link;
1815		2585
1816	(async {	2586	(async {
1817	my $map = cf::map::find $path->as_string;	2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
		2608	my $map = eval {
		2609	my $map = defined $path ? cf::map::find $path : undef;
		2610
		2611	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2612	$map = $map->customise_for ($self);
1819		2613	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2614	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2616	}
1824		2617
		2618	$map
		2619	};
		2620
		2621	if ($@) {
		2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2623	LOG llevError | logBacktrace, Carp::longmess $@;
		2624	}
		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
1826	})->prio (1);	2632	})->prio (1);
1827	}	2633	}
1828		2634
1829	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
1830		2636
…		…
1832		2638
1833	sub parse_random_map_params {	2639	sub parse_random_map_params {
1834	my ($spec) = @_;	2640	my ($spec) = @_;
1835		2641
1836	my $rmp = { # defaults	2642	my $rmp = { # defaults
1837	xsize => 10,	2643	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2644	ysize => (cf::rndm 15, 40),
		2645	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2646	#layout => string,
1839	};	2647	};
1840		2648
1841	for (split /\n/, $spec) {	2649	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2650	my ($k, $v) = split /\s+/, $_, 2;
1843		2651
…		…
1855	# that depends on the exit object	2663	# that depends on the exit object
1856		2664
1857	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
1858		2666
1859	if ($exit->map) {	2667	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2668	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
1864	}	2674	}
1865		2675
1866	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
1867		2677
1868	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
		2680	my $meta = "$RANDOMDIR/$md5.meta";
1870		2681
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
		2684	undef $fh;
		2685	aio_rename "$meta~", $meta;
1873		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
1876	}	2693	}
1877	}	2694	}
1878		2695
1879	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
1883		2700
1884	$self->enter_link;	2701	$self->enter_link;
1885		2702
1886	(async {	2703	(async {
1887	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
1888	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
1889	prepare_random_map $exit	2713	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2714	if $exit->slaying eq "/!";
		2715	}
1891		2716
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
1894		2720
		2721	$self->goto ($map, $x, $y);
		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
1895	1;	2727	1
1896	}) {	2728	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2733
1902	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2735	$self->leave_link;
1904	}	2736	}
1905	})->prio (1);	2737	})->prio (1);
…		…
1918		2750
1919	sub cf::client::send_drawinfo {	2751	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2752	my ($self, $text, $flags) = @_;
1921		2753
1922	utf8::encode $text;	2754	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2756	}
1925		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1926		2952
1927	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1928		2954
1929	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2958
1933	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2960	become reliable at some point in the future.
1935		2961
1936	=cut	2962	=cut
1937		2963
1938	sub cf::client::query {	2964	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2973	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2975
1950	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1952	}	2980	}
1953		2981
1954	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1955	on_reply => sub {	2988	on_reply => sub {
1956	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1957		2990
1958	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1959	# get handled first	2992	# get handled first
1960	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2995
1963	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2998
1965	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1966		3000
1967	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	3002	if (@$queue) {
…		…
1970	} else {	3004	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	3006	}
1973	}	3007	}
1974	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1975	);	3035	);
1976		3036
1977	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1978		3038
1979	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2022		3082
2023	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2024		3084
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2026		3090
2027	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2028		3092
2029	=pod	3093	=pod
2030		3094
2031	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2032		3096
2033	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
2034	cf::object::player player	3102	cf::object::player
2035	cf::player peaceful	3103	player
2036	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
2037		3110
2038	=cut	3111	=cut
2039		3112
2040	for (	3113	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
2042	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2044	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2045	) {	3120	) {
2046	no strict 'refs';	3121	no strict 'refs';
2047	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2048	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2065	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2066		3141
2067	my $qcode = $code;	3142	my $qcode = $code;
2068	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2069	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2070		3147
2071	local $_;	3148	local $_;
2072	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2073		3150
2074	my $eval =	3151	my $eval =
…		…
2117	=back	3194	=back
2118		3195
2119	=cut	3196	=cut
2120		3197
2121	#############################################################################	3198	#############################################################################
		3199	# the server's init and main functions
2122		3200
2123	=head2 EXTENSION DATABASE SUPPORT	3201	sub load_facedata($) {
		3202	my ($path) = @_;
2124		3203
2125	Crossfire maintains a very simple database for extension use. It can	3204	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3205	# for this (global event?)
2127	excludes objects.	3206	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3207
2129	The parameter C<$family> should best start with the name of the extension	3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3209
2132	=over 4	3210	warn "loading facedata from $path\n";
2133		3211
2134	=item $hashref = cf::db_get $family	3212	my $facedata;
		3213	0 < aio_load $path, $facedata
		3214	or die "$path: $!";
2135		3215
2136	Return a hashref for use by the extension C<$family>, which can be	3216	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3217
2140	=item $value = cf::db_get $family => $key	3218	$facedata->{version} == 2
		3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3220
2142	Returns a single value from the database	3221	# patch in the exptable
2143		3222	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	3223	type => FT_RSRC,
2145		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3225	};
		3226	cf::cede_to_tick;
2195		3227
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3228	{
		3229	my $faces = $facedata->{faceinfo};
2200		3230
2201	sub db_get($;$) {	3231	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3233
2207	sub db_put($$;$) {	3234	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3235	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	} else {	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3238
2216	cf::global->attach (	3239	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3240	}
2221	);
2222	}
2223		3241
2224	#############################################################################	3242	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3243	next unless $info->{smooth};
2226		3244
2227	sub cfg_load {	3245	my $idx = cf::face::find $face
		3246	or next;
		3247
		3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
		3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3251	} else {
		3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3253	}
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257	}
		3258
		3259	{
		3260	my $anims = $facedata->{animinfo};
		3261
		3262	while (my ($anim, $info) = each %$anims) {
		3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3264	cf::cede_to_tick;
		3265	}
		3266
		3267	cf::anim::invalidate_all; # d'oh
		3268	}
		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
		3305	1
		3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
		3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
		3351	load_resource_file "$MAPDIR/regions"
		3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
		3358	}
		3359
		3360	sub reload_facedata {
		3361	load_facedata "$DATADIR/facedata"
		3362	or die "unable to load facedata\n";
		3363	}
		3364
		3365	sub reload_archetypes {
		3366	load_resource_file "$DATADIR/archetypes"
		3367	or die "unable to load archetypes\n";
		3368	}
		3369
		3370	sub reload_treasures {
		3371	load_resource_file "$DATADIR/treasures"
		3372	or die "unable to load treasurelists\n";
		3373	}
		3374
		3375	sub reload_resources {
		3376	warn "reloading resource files...\n";
		3377
		3378	reload_facedata;
		3379	reload_archetypes;
		3380	reload_regions;
		3381	reload_treasures;
		3382
		3383	warn "finished reloading resource files\n";
		3384	}
		3385
		3386	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3388	or return;
2230		3389
2231	local $/;	3390	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2233		3392
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235		3394
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	};	3402	};
2244	warn $@ if $@;	3403	warn $@ if $@;
2245	}	3404	}
2246	}	3405	}
2247		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2248	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2249	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3453	(async {
		3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
2253	};	3457	};
2254		3458
2255	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
		3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2257	load_extensions;	3477	load_extensions;
2258	Event::loop;	3478
		3479	utime time, time, $RUNTIMEFILE;
		3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2259	}	3489	}
2260		3490
2261	#############################################################################	3491	#############################################################################
2262	# initialisation and cleanup	3492	# initialisation and cleanup
2263		3493
2264	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
2265	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
2272	},
2273	);	3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
2274	}	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
2275	}	3588	}
2276		3589
2277	sub emergency_save() {	3590	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
2279		3592
2280	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
2281		3594
2282	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
2283	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3609	$pl->save;
2291	}	3610	}
2292	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
2293		3612
2294	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3616	$map->valid or next;
2298	$map->save;	3617	$map->save;
2299	}	3618	}
2300	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
		3620
		3621	warn "emergency_perl_save: begin database checkpoint\n";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
2301	};	3628	};
2302		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
2303	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
2304	}	3636	}
2305		3637
		3638	sub post_cleanup {
		3639	my ($make_core) = @_;
		3640
		3641	warn Carp::longmess "post_cleanup backtrace"
		3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
		3672	}
		3673
2306	sub reload() {	3674	sub do_reload_perl() {
2307	# can/must only be called in main	3675	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3677	warn "can only reload from main coroutine";
2310	return;	3678	return;
2311	}	3679	}
2312		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2313	warn "reloading...";	3686	warn "reloading...";
2314		3687
2315	warn "freezing server";	3688	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3689
		3690	cf::sync_job {
		3691	cf::write_runtime_sync; # external watchdog should not bark
2317	cf::emergency_save;	3692	cf::emergency_save;
		3693	cf::write_runtime_sync; # external watchdog should not bark
2318		3694
2319	warn "sync database to disk";	3695	warn "syncing database to disk";
2320	cf::db_sync;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3697
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2325		3699
2326	warn "cancel all watchers";	3700	warn "flushing outstanding aio requests";
2327	for (Event::all_watchers) {	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "remove commands";
2336	%COMMAND = ();
2337
2338	warn "remove ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unload/nuke all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3703	}
2351		3704
		3705	warn "cancelling all extension coros";
		3706	$_->cancel for values %EXT_CORO;
		3707	%EXT_CORO = ();
		3708
		3709	warn "removing commands";
		3710	%COMMAND = ();
		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
2352	warn "... nuking $pkg";	3718	warn "... unloading $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355		3719
2356	warn "unload all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360	warn "removing <$k>";
2361	delete $INC{$k};
2362
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
2367	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2368	}	3729	}
2369		3730
2370	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
2371	}	3746	}
2372		3747
2373	warn "get rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3751
2377	warn "unload cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
		3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3755
2380	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3757	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2383		3759
		3760	warn "unload completed, starting to reload now";
		3761
2384	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2385	require cf;	3763	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3765
2388	warn "load config and database again";	3766	warn "loading config and database again";
2389	cf::cfg_load;	3767	cf::reload_config;
2390	cf::db_load;
2391		3768
2392	warn "load extensions";	3769	warn "loading extensions";
2393	cf::load_extensions;	3770	cf::load_extensions;
2394		3771
		3772	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3774	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3775	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
		3777	warn "reattaching attachments to players";
		3778	reattach $_ for values %PLAYER;
		3779	}
		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
		3784	warn "leaving sync_job";
		3785
		3786	1
		3787	} or do {
		3788	warn $@;
		3789	cf::cleanup "error while reloading, exiting.";
		3790	};
		3791
		3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
		3798	};
		3799
		3800	our $RELOAD_WATCHER; # used only during reload
		3801
		3802	sub reload_perl() {
		3803	# doing reload synchronously and two reloads happen back-to-back,
		3804	# coro crashes during coro_state_free->destroy here.
		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
		3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3810	do_reload_perl;
		3811	undef $RELOAD_WATCHER;
		3812	};
2399	};	3813	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3814	}
2452		3815
2453	register_command "reload" => sub {	3816	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2455		3818
2456	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
		3823	reload_perl;
		3824	};
2460	}	3825	}
2461	};	3826	};
2462		3827
2463	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2464		3829
2465	$TICK_WATCHER = Event->timer (	3830	my $bug_warning = 0;
2466	reentrant => 0,	3831
2467	prio => 0,	3832	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	3833	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	3834
2470	cb => sub {	3835	sub wait_for_tick {
		3836	return if tick_inhibit || $Coro::current == $Coro::main;
		3837
		3838	my $signal = new Coro::Signal;
		3839	push @WAIT_FOR_TICK, $signal;
		3840	$signal->wait;
		3841	}
		3842
		3843	sub wait_for_tick_begin {
		3844	return if tick_inhibit || $Coro::current == $Coro::main;
		3845
		3846	my $signal = new Coro::Signal;
		3847	push @WAIT_FOR_TICK_BEGIN, $signal;
		3848	$signal->wait;
		3849	}
		3850
		3851	sub tick {
		3852	if ($Coro::current != $Coro::main) {
		3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3854	unless ++$bug_warning > 10;
		3855	return;
		3856	}
		3857
2471	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		3859
2475	$WAIT_FOR_TICK->broadcast;	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2477		3862	Coro::async_pool {
2478	# if we are delayed by four ticks or more, skip them all	3863	$Coro::current->{desc} = "runtime saver";
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480
2481	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	3864	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
2504	})->();	3866	};
2505	},	3867	}
2506	);	3868
		3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3870	$sig->send;
		3871	}
		3872	while (my $sig = shift @WAIT_FOR_TICK) {
		3873	$sig->send;
		3874	}
		3875
		3876	$LOAD = ($NOW - $TICK_START) / $TICK;
		3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3878
		3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
		3885	}
		3886	}
		3887
		3888	{
		3889	# configure BDB
		3890
		3891	BDB::min_parallel 8;
		3892	BDB::max_poll_reqs $TICK * 0.1;
		3893	$AnyEvent::BDB::WATCHER->priority (1);
		3894
		3895	unless ($DB_ENV) {
		3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3902
		3903	cf::sync_job {
		3904	eval {
		3905	BDB::db_env_open
		3906	$DB_ENV,
		3907	$BDBDIR,
		3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3910	0666;
		3911
		3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3913	};
		3914
		3915	cf::cleanup "db_env_open(db): $@" if $@;
		3916	};
		3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
		3928	}
		3929
		3930	{
		3931	# configure IO::AIO
		3932
		3933	IO::AIO::min_parallel 8;
		3934	IO::AIO::max_poll_time $TICK * 0.1;
		3935	undef $AnyEvent::AIO::WATCHER;
		3936	}
		3937
		3938	my $_log_backtrace;
		3939
		3940	sub _log_backtrace {
		3941	my ($msg, @addr) = @_;
		3942
		3943	$msg =~ s/\n//;
		3944
		3945	# limit the # of concurrent backtraces
		3946	if ($_log_backtrace < 2) {
		3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
		3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
		3952	my @bt = fork_call {
		3953	@addr = map { sprintf "%x", $_ } @addr;
		3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3956	or die "addr2line: $!";
		3957
		3958	my @funcs;
		3959	my @res = <$fh>;
		3960	chomp for @res;
		3961	while (@res) {
		3962	my ($func, $line) = splice @res, 0, 2, ();
		3963	push @funcs, "[$func] $line";
		3964	}
		3965
		3966	@funcs
		3967	};
		3968
		3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3971	LOG llevInfo, "[ABT] $_\n" for @bt;
		3972	--$_log_backtrace;
		3973	};
		3974	} else {
		3975	LOG llevInfo, "[ABT] $msg\n";
		3976	LOG llevInfo, "[ABT] [suppressed]\n";
		3977	}
		3978	}
		3979
		3980	# load additional modules
		3981	require "cf/$_.pm" for @EXTRA_MODULES;
2507		3982
2508	END { cf::emergency_save }	3983	END { cf::emergency_save }
2509		3984
2510	1	3985	1
2511		3986

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