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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.501 by root, Sat Jan 16 23:27:21 2010 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 it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	115	our $NEXT_TICK;
46	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
47		124
48	our %CFG;	125	our %CFG;
49		126
50	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
52		130
53	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		134
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
61		147
62	binmode STDOUT;	148	binmode STDOUT;
63	binmode STDERR;	149	binmode STDERR;
64		150
65	# read virtual server time, if available	151	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
70	}	156	}
71		157
72	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		159
78	# a special map that is always available	160	mkdir $_
79	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
80	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		177
82	#############################################################################	178	#############################################################################
83		179
84	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
85		181
…		…
92	=item $cf::RUNTIME	188	=item $cf::RUNTIME
93		189
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	191	every server tick.
96		192
97	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		196
99	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
101		201
102	=item $cf::NOW	202	=item $cf::NOW
103		203
104	The time of the last (current) server tick.	204	The time of the last (current) server tick.
105		205
106	=item $cf::TICK	206	=item $cf::TICK
107		207
108	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
109		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
110	=item %cf::CFG	220	=item %cf::CFG
111		221
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	223	from wherever your confdir points to.
114		224
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		226
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
121		242
122	=back	243	=back
123		244
124	=cut	245	=cut
125		246
126	BEGIN {	247	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	248	my $msg = join "", @_;
129	utf8::encode $msg;
130		249
131	$msg .= "\n"	250	$msg .= "\n"
132	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
133		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
134	LOG llevError, $msg;	255	LOG llevError, $msg;
135	};	256	};
136	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
137		271
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		279
145	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	281	# within the Safe compartment.
147	for my $pkg (qw(	282	for my $pkg (qw(
148	cf::global cf::attachable	283	cf::global cf::attachable
149	cf::object cf::object::player	284	cf::object cf::object::player
150	cf::client cf::player	285	cf::client cf::player
151	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
152	cf::map cf::party cf::region	288	cf::party cf::region
153	)) {	289	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	291	}
157		292
158	$Event::DIED = sub {	293	$EV::DIED = sub {
159	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
160	};	295	};
161		296
162	my %ext_pkg;	297	#############################################################################
163	my @exts;
164	my @hook;
165		298
166	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
167		300
168	=over 4	301	=over 4
169		302
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	322	$d
190	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
191	}	324	}
192		325
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
196		327
197	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
198		329
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
207		331
208	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
209		333
210	=cut	334	=cut
211		335
212	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
214	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
215	}	353	}
216		354
217	=item cf::lock_wait $string	355	=item cf::lock_wait $string
218		356
219	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
220		358
221	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
222		360
223	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
226	returned.	364	returned.
227		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
228	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
230		371
231	=cut	372	=item $locked = cf::lock_active $string
232		373
233	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
234		379
235	sub lock_wait($) {	380	sub lock_wait($) {
236	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	382	}
244		383
245	sub lock_acquire($) {	384	sub lock_acquire($) {
246	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
247		387
248	# wait, to be sure we are not locked	388	sub lock_active($) {
249	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	390	}
258		391
259	sub freeze_mainloop {	392	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
261		394
262	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	396	}
264	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
265	}	471	}
266		472
267	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
268		474
269	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		480
275	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
276		482
277	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
278		484
279	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
282		489
283	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
286	fast or be very important.	493	fast or be very important.
…		…
289		496
290	sub sync_job(&) {	497	sub sync_job(&) {
291	my ($job) = @_;	498	my ($job) = @_;
292		499
293	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
294	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
296		505
297	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	507
299	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
300		509
301	my $busy = 1;	510	my $busy = 1;
302	my @res;	511	my @res;
303		512
304	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	515	@res = eval { $job->() };
306	warn $@ if $@;	516	warn $@ if $@;
307	undef $busy;	517	undef $busy;
308	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
309		519
310	while ($busy) {	520	while ($busy) {
311	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
312	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
313		531
314	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
315	} else {	533	} else {
316	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
317		535
…		…
319	}	537	}
320	}	538	}
321		539
322	=item $coro = cf::async_ext { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
323		541
324	Like async, but this coro is automcatially being canceled when the	542	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	543	extension calling this is being unloaded.
326		544
327	=cut	545	=cut
328		546
329	sub async_ext(&) {	547	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
338		556
339	$coro	557	$coro
340	}	558	}
341		559
342	sub write_runtime {	560	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		561
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
346	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
347		566
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		568
352	aio_fsync $fh	569	sub fork_call(&@) {
353	and return;	570	my ($cb, @args) = @_;
354		571
355	close $fh	572	# we seemingly have to make a local copy of the whole thing,
356	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
357		575
358	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
359	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
360		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
361	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	747	}
363		748
364	=back	749	=back
365		750
366	=cut	751	=cut
367		752
368	#############################################################################	753	#############################################################################
369		754
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
498		756
499	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
500	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
502		760
503	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	763	Deliantra).
506		764
507	=over 4	765	=over 4
508		766
509	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
510		768
…		…
554	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
555		813
556	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
558		816
559	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
561		819
562	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
563		821
564	=over 4	822	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	883	our @CB_MAP = ();
626		884
627	my %attachment;	885	my %attachment;
628		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
629	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
631		895
632	use sort 'stable';	896	use sort 'stable';
633		897
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
668		932
669	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		937
674	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	939	my $pkg = shift @arg;
676		940
677	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
707	}	971	}
708		972
709	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
710	} else {	974	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	976	}
713		977
714	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
715	}	979	}
716		980
…		…
718	if (ref $_[0]) {	982	if (ref $_[0]) {
719	_object_attach @_;	983	_object_attach @_;
720	} else {	984	} else {
721	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
722	}	986	}
		987	_recalc_want;
723	};	988	};
724		989
725	# all those should be optimised	990	# all those should be optimised
726	sub cf::attachable::detach {	991	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
731	reattach ($obj);	996	reattach ($obj);
732	} else {	997	} else {
733	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
734	}	999	}
		1000	_recalc_want;
735	};	1001	};
736		1002
737	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
739		1005
…		…
754	";	1020	";
755	die if $@;	1021	die if $@;
756	}	1022	}
757		1023
758	our $override;	1024	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1026
761	sub override {	1027	sub override {
762	$override = 1;	1028	$override = 1;
763	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
764	}	1030	}
765		1031
766	sub do_invoke {	1032	sub do_invoke {
767	my $event = shift;	1033	my $event = shift;
768	my $callbacks = shift;	1034	my $callbacks = shift;
769		1035
770	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
771		1037
772	local $override;	1038	local $override;
773		1039
774	for (@$callbacks) {	1040	for (@$callbacks) {
775	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
784	}	1050	}
785		1051
786	0	1052	0
787	}	1053	}
788		1054
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1056
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1058
793	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
794		1060
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1064
799	=back	1065	=back
800		1066
801	=cut	1067	=cut
802		1068
803	#############################################################################	1069	#############################################################################
804	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
805		1113
806	sub reattach {	1114	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1120
810	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
811		1122
812	@$registry = ();	1123	@$registry = ();
813		1124
…		…
828	cf::attachable->attach (	1139	cf::attachable->attach (
829	prio => -1000000,	1140	prio => -1000000,
830	on_instantiate => sub {	1141	on_instantiate => sub {
831	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
832		1143
833	$data = from_json $data;	1144	$data = decode_json $data;
834		1145
835	for (@$data) {	1146	for (@$data) {
836	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
837		1148
838	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1165	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
856		1167
857	sync_job {	1168	sync_job {
858	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
861		1173
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1177	if ($cf::USE_FSYNC) {
		1178	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;
865	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
866	close $fh;	1181	aio_close $fh;
867		1182
868	if (@$objs) {	1183	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		1188	if ($cf::USE_FSYNC) {
		1189	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;
873	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
874	close $fh;	1192	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
876	}	1194	}
877	} else {	1195	} else {
878	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
879	}	1197	}
880		1198
881	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1203	} else {
883	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
884	}	1205	}
885	} else {	1206	} else {
886	aio_unlink $filename;	1207	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
888	}	1209	}
889	}	1210	};
890	}	1211	}
891		1212
892	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
894		1215
…		…
906	or return;	1227	or return;
907		1228
908	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
910	or return;	1231	or return;
		1232
911	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
912	}	1235	}
913		1236
		1237	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
916	return ($data, $av);	1241	($data, $av)
917	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
918		1249
919	#############################################################################	1250	#############################################################################
920	# command handling &c	1251	# command handling &c
921		1252
922	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1267	}
937		1268
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1270
940	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
941		1276
942	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
943	called.	1278	called.
944		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
945	=cut	1291	=cut
946		1292
947	sub register_extcmd {	1293	sub register_extcmd {
948	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
949		1295
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
954	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
955		1306
956	cf::player->attach (	1307	cf::player->attach (
957	on_command => sub {	1308	on_command => sub {
958	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
959		1310
…		…
967	cf::override;	1318	cf::override;
968	},	1319	},
969	on_extcmd => sub {	1320	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
971		1322
972	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1324
974	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
980	} else {	1340	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1342	}
983		1343
984	cf::override;	1344	cf::override;
985	},	1345	},
986	);	1346	);
987		1347
988	sub register {	1348	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1349	sub cache_extensions {
995	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
996		1351
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1355	}
1047	}	1356	};
1048		1357
1049	# remove extcmds	1358	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1359	}
1063		1360
1064	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1065	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1366	next unless -r $path;
1067	eval {	1367
1068	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
1069	1	1424	}
1070	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1071	}	1430	};
1072	}	1431	}
1073		1432
1074	#############################################################################	1433	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1434
1077	*cf::mapsupport::on_clean = sub {	1435	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1436
1090	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1091		1438
1092	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1093		1440
1094	=cut	1441	=cut
1095		1442
1096	package cf::player;	1443	package cf::player;
1097		1444
…		…
1099		1446
1100	=head3 cf::player	1447	=head3 cf::player
1101		1448
1102	=over 4	1449	=over 4
1103		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
1104	=item cf::player::find $login	1465	=item cf::player::find $login
1105		1466
1106	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1107		1468
1108	=cut	1469	=cut
1109		1470
1110	sub playerdir($) {	1471	sub playerdir($) {
1111	cf::localdir	1472	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1474	}
1117		1475
1118	sub path($) {	1476	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1478
1121	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1122	}	1480	}
1123		1481
1124	sub find_active($) {	1482	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1129		1487
1130	sub exists($) {	1488	sub exists($) {
1131	my ($login) = @_;	1489	my ($login) = @_;
1132		1490
1133	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1135	}	1493	}
1136		1494
1137	sub find($) {	1495	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1497	my $login = $_[0];
1140		1498
1141	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1142		1500
1143	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1147	}	1518	}
1148	}	1519	}
1149	}	1520	}
1150		1521
…		…
1159	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1160		1531
1161	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1163		1534
		1535	cf::get_slot 0.01;
		1536
1164	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1165	Coro::cede;	1538	cf::cede_to_tick;
1166	}	1539	}
1167		1540
1168	sub new($) {	1541	sub new($) {
1169	my ($login) = @_;	1542	my ($login) = @_;
1170		1543
…		…
1176	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1177		1550
1178	$self	1551	$self
1179	}	1552	}
1180		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1181	=item $pl->quit_character	1564	=item $pl->quit_character
1182		1565
1183	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1185		1568
1186	=cut	1569	=cut
1187		1570
1188	sub quit_character {	1571	sub quit_character {
1189	my ($pl) = @_;	1572	my ($pl) = @_;
1190		1573
		1574	my $name = $pl->ob->name;
		1575
1191	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1578
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1198		1585
1199	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1204	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
1205	}	1612	}
1206		1613
1207	=item cf::player::list_logins	1614	=item cf::player::list_logins
1208		1615
1209	Returns am arrayref of all valid playernames in the system, can take a	1616	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1211		1618
1212	=cut	1619	=cut
1213		1620
1214	sub list_logins {	1621	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1623	or return [];
1217		1624
1218	my @logins;	1625	my @logins;
1219		1626
1220	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1224		1637
1225	utf8::decode $login;	1638	utf8::decode $login;
1226	push @logins, $login;	1639	push @logins, $login;
1227	}	1640	}
1228		1641
1229	\@logins	1642	\@logins
1230	}	1643	}
1231		1644
1232	=item $player->maps	1645	=item $player->maps
1233		1646
1234	Returns an arrayref of cf::path's of all maps that are private for this	1647	Returns an arrayref of map paths that are private for this
1235	player. May block.	1648	player. May block.
1236		1649
1237	=cut	1650	=cut
1238		1651
1239	sub maps($) {	1652	sub maps($) {
1240	my ($pl) = @_;	1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1656
1242	my $files = aio_readdir playerdir $pl	1657	my $files = aio_readdir playerdir $pl
1243	or return;	1658	or return;
1244		1659
1245	my @paths;	1660	my @paths;
…		…
1247	for (@$files) {	1662	for (@$files) {
1248	utf8::decode $_;	1663	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1664	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1665	next unless /^$PATH_SEP/o;
1251		1666
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1667	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1668	}
1254		1669
1255	\@paths	1670	\@paths
1256	}	1671	}
1257		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1259		1678
1260	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1261		1680
1262	=cut	1681	=cut
1263		1682
1264	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1266		1685
1267	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1687	}
1271		1688
1272	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1273		1729
1274	=back	1730	=back
1275
1276		1731
1277	=head3 cf::map	1732	=head3 cf::map
1278		1733
1279	=over 4	1734	=over 4
1280		1735
…		…
1283	package cf::map;	1738	package cf::map;
1284		1739
1285	use Fcntl;	1740	use Fcntl;
1286	use Coro::AIO;	1741	use Coro::AIO;
1287		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1288	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1290		1749
1291	sub generate_random_map {	1750	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1754
1294	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1756	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1308	}	1769	}
1309		1770
1310	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;
1314		1772
1315	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1316	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1317	}	1775	default).
1318		1776
1319	sub try_load_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1320	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1321		1916
1322	utf8::encode $path;	1917	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1324	or return;	1919	or return;
1325		1920
1326	my $map = cf::map::new	1921	$self->_load_header ($f)
1327	or return;	1922	or return;
1328		1923
1329	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1331		1926
1332	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1333	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1334		1973
1335	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1336		1976
1337	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1338	}	1981	}
1339		1982
1340	sub find;	1983	sub find;
1341	sub find {	1984	sub find {
1342	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1343		1986
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1988
1349	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1353		1991
1354	# do it the slow way	1992	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1994	or return;
1373		1995
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1386		1997
1387	Coro::cede;	1998	$map->load_header
		1999	or return;
1388		2000
1389	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1390	$map->reset;	2006	$map->reset;
1391	undef $guard;
1392	$map = find $path	2007	return find $path;
1393	or return;
1394	}	2008	}
1395		2009
1396	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1397	}	2011	}
1398	}	2012	}
		2013
		2014	sub pre_load { }
		2015	#sub post_load { } # XS
1399		2016
1400	sub load {	2017	sub load {
1401	my ($self) = @_;	2018	my ($self) = @_;
1402		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1403	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1405		2026
		2027	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2029
1408	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1409		2031
1410	$self->alloc;	2032	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1412	or return;	2040	or return;
1413		2041
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1415	if delete $self->{load_original};	2043	if delete $self->{load_original};
1416		2044
1417	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2046	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2049	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1422	}	2053	}
1423	}	2054	}
1424		2055
1425	Coro::cede;	2056	$f->resolve_delayed_derefs;
1426		2057
		2058	cf::cede_to_tick;
1427	# now do the right thing for maps	2059	# now do the right thing for maps
1428	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1440	$self->activate;	2070	$self->activate;
1441	}	2071	}
1442		2072
1443	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1444		2075
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
1446	}	2092	}
1447		2093
1448	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2095	sub load_neighbours {
1450	my ($map) = @_;	2096	my ($map) = @_;
1451		2097
1452	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1453		2099
1454	for (0 .. 3) {	2100	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1456	or next;	2102	or next;
1457	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1458	or next;	2104	or next;
1459	$neigh->load;	2105	$neigh->load;
1460		2106
		2107	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2110	}
1464		2111
1465	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1467	or next;	2115	or next;
1468	$neigh->load;	2116	$neigh->load;
1469	}	2117	}
1470	}	2118	}
1471		2119
…		…
1476	}	2124	}
1477		2125
1478	sub do_load_sync {	2126	sub do_load_sync {
1479	my ($map) = @_;	2127	my ($map) = @_;
1480		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1481	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1482	}	2133	}
1483		2134
1484	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
1485	our $MAP_PREFETCHER = Coro::async {	2149	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2150	$Coro::current->{desc} = "map prefetcher";
		2151
1487	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
1490	my $path = delete $MAP_PREFETCH{$key};	2158	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2159	}
1496	Coro::schedule;	2160	}
		2161	undef $MAP_PREFETCHER;
1497	}	2162	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1512		2164
1513	()	2165	()
1514	}	2166	}
1515		2167
1516	sub save {	2168	sub save {
1517	my ($self) = @_;	2169	my ($self) = @_;
1518		2170
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2172
1521	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1522		2174
1523	return unless $self->dirty;	2175	return unless $self->dirty;
1524		2176
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2179
1528	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1529		2181
1530	return if $self->{deny_save};	2182	return if $self->{deny_save};
1531		2183
1532	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1533		2185
1534	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1536	};	2189	};
1537		2190
		2191	cf::get_slot 0.02;
		2192
1538	if ($uniq) {	2193	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2196	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2198	}
1544	}	2199	}
1545		2200
1546	sub swap_out {	2201	sub swap_out {
1547	my ($self) = @_;	2202	my ($self) = @_;
1548		2203
1549	# save first because save cedes	2204	# save first because save cedes
1550	$self->save;	2205	$self->save;
1551		2206
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2208
1554	return if $self->players;	2209	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1556	return if $self->{deny_save};	2211	return if $self->{deny_save};
1557		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2217	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2218	}
1561		2219
1562	sub reset_at {	2220	sub reset_at {
1563	my ($self) = @_;	2221	my ($self) = @_;
1564		2222
1565	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1568		2225
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2228
…		…
1576	my ($self) = @_;	2233	my ($self) = @_;
1577		2234
1578	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1579	}	2236	}
1580		2237
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2238	sub reset {
1603	my ($self) = @_;	2239	my ($self) = @_;
1604		2240
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2242
1607	return if $self->players;	2243	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2244
1610	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1611		2256
1612	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1613		2258
		2259	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1615		2262
1616	$self->unlink_save;	2263	$self->unlink_save;
1617	$self->destroy;	2264	$self->destroy;
1618	}	2265	}
1619		2266
1620	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1621		2268
1622	sub nuke {	2269	sub nuke {
1623	my ($self) = @_;	2270	my ($self) = @_;
1624		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1628	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1629	}	2289	}
1630		2290
1631	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2292
1634	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1636	}	2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
1637		2308
1638	$map	2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1639	}	2325	}
1640		2326
1641	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1642		2328
1643	Returns an arrayref of cf::path's of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2330	instantiated unique items. May block.
1645		2331
1646	=cut	2332	=cut
1647		2333
1648	sub unique_maps() {	2334	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1650	or return;	2336	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2337	utf8::decode $_;
1656	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2340	? ()
1659	push @paths, new cf::path $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2343	]
1661
1662	\@paths
1663	}	2344	}
1664		2345
1665	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
		2373	}
		2374
		2375	\@maps
		2376	}
1666		2377
1667	=back	2378	=back
1668		2379
1669	=head3 cf::object	2380	=head3 cf::object
1670		2381
…		…
1674		2385
1675	=over 4	2386	=over 4
1676		2387
1677	=item $ob->inv_recursive	2388	=item $ob->inv_recursive
1678		2389
1679	Returns the inventory of the object _and_ their inventories, recursively.	2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
1680		2392
1681	=cut	2393	=cut
1682		2394
1683	sub inv_recursive_;	2395	sub inv_recursive_;
1684	sub inv_recursive_ {	2396	sub inv_recursive_ {
…		…
1687		2399
1688	sub inv_recursive {	2400	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2401	inv_recursive_ inv $_[0]
1690	}	2402	}
1691		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
		2430	}
		2431
1692	package cf;	2432	package cf;
1693		2433
1694	=back	2434	=back
1695		2435
1696	=head3 cf::object::player	2436	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1705		2445
1706	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1707		2461
1708	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2463	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1713		2467
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2469
1716	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1718	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1721	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1722	}	2495	}
1723		2496
1724	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1725		2498
1726	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1739		2512
1740	=item $player_object->enter_link	2513	=item $player_object->enter_link
1741		2514
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2516
1744	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1746		2523
1747	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1748		2525
1749	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2529	fails, to the emergency map position.
1753		2530
1754	Might block.	2531	Might block.
1755		2532
1756	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1757		2544
1758	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2546	my ($self) = @_;
1760		2547
1761	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1762		2549
1763	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2551
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1767		2554
1768	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2556	}
1770		2557
1771	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1773		2562
1774	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1775		2564
1776	unless ($map) {	2565	unless ($map) {
1777	# restore original map position	2566	# restore original map position
…		…
1788	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
1789	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
1790		2579
1791	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
1794		2583
1795	$map->load;	2584	$map->load;
1796	$map->load_diag;	2585	$map->load_neighbours;
1797		2586
1798	return unless $self->contr->active;	2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2593	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}	2594	}
1802		2595
1803	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2597
1807	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1811	};	2602	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2603
1817	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1818	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2606
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2607	=cut
		2608
		2609	our $GOTOGEN;
1838		2610
1839	sub cf::object::player::goto {	2611	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2613
1842	$path = new cf::path $path;	2614	# do generation counting so two concurrent goto's will be executed in-order
		2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2616
1844	$self->enter_link;	2617	$self->enter_link;
1845		2618
1846	(async {	2619	(async {
1847	my $map = cf::map::find $path->as_string;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
		2621
		2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1849		2646	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1854		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1856	})->prio (1);	2665	})->prio (1);
1857	}	2666	}
1858		2667
1859	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1860		2669
…		…
1862		2671
1863	sub parse_random_map_params {	2672	sub parse_random_map_params {
1864	my ($spec) = @_;	2673	my ($spec) = @_;
1865		2674
1866	my $rmp = { # defaults	2675	my $rmp = { # defaults
1867	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1869	};	2680	};
1870		2681
1871	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1873		2684
…		…
1885	# that depends on the exit object	2696	# that depends on the exit object
1886		2697
1887	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1888		2699
1889	if ($exit->map) {	2700	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1894	}	2707	}
1895		2708
1896	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1897		2710
1898	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1900		2714
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1903		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1906	}	2726	}
1907	}	2727	}
1908		2728
1909	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1913		2733
1914	$self->enter_link;	2734	$self->enter_link;
1915		2735
1916	(async {	2736	(async {
1917	$self->deactivate_recursive; # just to be sure	2737	$Coro::current->{desc} = "enter_exit";
		2738
1918	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1919	prepare_random_map $exit	2746	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1921		2749
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1924		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1925	1;	2760	1
1926	}) {	2761	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2766
1932	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2768	$self->leave_link;
1934	}	2769	}
1935	})->prio (1);	2770	})->prio (1);
…		…
1948		2783
1949	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1951		2786
1952	utf8::encode $text;	2787	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2789	}
1955		2790
		2791	=item $client->send_big_packet ($pkt)
		2792
		2793	Like C<send_packet>, but tries to compress large packets, and fragments
		2794	them as required.
		2795
		2796	=cut
		2797
		2798	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2799
		2800	sub cf::client::send_big_packet {
		2801	my ($self, $pkt) = @_;
		2802
		2803	# try lzf for large packets
		2804	$pkt = "lzf " . Compress::LZF::compress $pkt
		2805	if 1024 <= length $pkt and $self->{can_lzf};
		2806
		2807	# split very large packets
		2808	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2809	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2810	$pkt = "frag";
		2811	}
		2812
		2813	$self->send_packet ($pkt);
		2814	}
		2815
		2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2817
		2818	Send a drawinfo or msg packet to the client, formatting the msg for the
		2819	client if neccessary. C<$type> should be a string identifying the type of
		2820	the message, with C<log> being the default. If C<$color> is negative, suppress
		2821	the message unless the client supports the msg packet.
		2822
		2823	=cut
		2824
		2825	# non-persistent channels (usually the info channel)
		2826	our %CHANNEL = (
		2827	"c/motd" => {
		2828	id => "infobox",
		2829	title => "MOTD",
		2830	reply => undef,
		2831	tooltip => "The message of the day",
		2832	},
		2833	"c/identify" => {
		2834	id => "infobox",
		2835	title => "Identify",
		2836	reply => undef,
		2837	tooltip => "Items recently identified",
		2838	},
		2839	"c/examine" => {
		2840	id => "infobox",
		2841	title => "Examine",
		2842	reply => undef,
		2843	tooltip => "Signs and other items you examined",
		2844	},
		2845	"c/shopinfo" => {
		2846	id => "infobox",
		2847	title => "Shop Info",
		2848	reply => undef,
		2849	tooltip => "What your bargaining skill tells you about the shop",
		2850	},
		2851	"c/book" => {
		2852	id => "infobox",
		2853	title => "Book",
		2854	reply => undef,
		2855	tooltip => "The contents of a note or book",
		2856	},
		2857	"c/lookat" => {
		2858	id => "infobox",
		2859	title => "Look",
		2860	reply => undef,
		2861	tooltip => "What you saw there",
		2862	},
		2863	"c/who" => {
		2864	id => "infobox",
		2865	title => "Players",
		2866	reply => undef,
		2867	tooltip => "Shows players who are currently online",
		2868	},
		2869	"c/body" => {
		2870	id => "infobox",
		2871	title => "Body Parts",
		2872	reply => undef,
		2873	tooltip => "Shows which body parts you posess and are available",
		2874	},
		2875	"c/statistics" => {
		2876	id => "infobox",
		2877	title => "Statistics",
		2878	reply => undef,
		2879	tooltip => "Shows your primary statistics",
		2880	},
		2881	"c/skills" => {
		2882	id => "infobox",
		2883	title => "Skills",
		2884	reply => undef,
		2885	tooltip => "Shows your experience per skill and item power",
		2886	},
		2887	"c/shopitems" => {
		2888	id => "infobox",
		2889	title => "Shop Items",
		2890	reply => undef,
		2891	tooltip => "Shows the items currently for sale in this shop",
		2892	},
		2893	"c/resistances" => {
		2894	id => "infobox",
		2895	title => "Resistances",
		2896	reply => undef,
		2897	tooltip => "Shows your resistances",
		2898	},
		2899	"c/pets" => {
		2900	id => "infobox",
		2901	title => "Pets",
		2902	reply => undef,
		2903	tooltip => "Shows information abotu your pets/a specific pet",
		2904	},
		2905	"c/perceiveself" => {
		2906	id => "infobox",
		2907	title => "Perceive Self",
		2908	reply => undef,
		2909	tooltip => "You gained detailed knowledge about yourself",
		2910	},
		2911	"c/uptime" => {
		2912	id => "infobox",
		2913	title => "Uptime",
		2914	reply => undef,
		2915	tooltip => "How long the server has been running since last restart",
		2916	},
		2917	"c/mapinfo" => {
		2918	id => "infobox",
		2919	title => "Map Info",
		2920	reply => undef,
		2921	tooltip => "Information related to the maps",
		2922	},
		2923	"c/party" => {
		2924	id => "party",
		2925	title => "Party",
		2926	reply => "gsay ",
		2927	tooltip => "Messages and chat related to your party",
		2928	},
		2929	"c/death" => {
		2930	id => "death",
		2931	title => "Death",
		2932	reply => undef,
		2933	tooltip => "Reason for and more info about your most recent death",
		2934	},
		2935	"c/say" => $SAY_CHANNEL,
		2936	"c/chat" => $CHAT_CHANNEL,
		2937	);
		2938
		2939	sub cf::client::send_msg {
		2940	my ($self, $channel, $msg, $color, @extra) = @_;
		2941
		2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
		2944
		2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2946
		2947	# check predefined channels, for the benefit of C
		2948	if ($CHANNEL{$channel}) {
		2949	$channel = $CHANNEL{$channel};
		2950
		2951	$self->ext_msg (channel_info => $channel);
		2952	$channel = $channel->{id};
		2953
		2954	} elsif (ref $channel) {
		2955	# send meta info to client, if not yet sent
		2956	unless (exists $self->{channel}{$channel->{id}}) {
		2957	$self->{channel}{$channel->{id}} = $channel;
		2958	$self->ext_msg (channel_info => $channel);
		2959	}
		2960
		2961	$channel = $channel->{id};
		2962	}
		2963
		2964	return unless @extra || length $msg;
		2965
		2966	# default colour, mask it out
		2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2968	if $color & cf::NDI_DEF;
		2969
		2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
		2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2973	);
		2974
		2975	$self->send_big_packet ($pkt);
		2976	}
		2977
		2978	=item $client->ext_msg ($type, @msg)
		2979
		2980	Sends an ext event to the client.
		2981
		2982	=cut
		2983
		2984	sub cf::client::ext_msg($$@) {
		2985	my ($self, $type, @msg) = @_;
		2986
		2987	if ($self->extcmd == 2) {
		2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2989	} elsif ($self->extcmd == 1) { # TODO: remove
		2990	push @msg, msgtype => "event_$type";
		2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2992	}
		2993	}
		2994
		2995	=item $client->ext_reply ($msgid, @msg)
		2996
		2997	Sends an ext reply to the client.
		2998
		2999	=cut
		3000
		3001	sub cf::client::ext_reply($$@) {
		3002	my ($self, $id, @msg) = @_;
		3003
		3004	if ($self->extcmd == 2) {
		3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3006	} elsif ($self->extcmd == 1) {
		3007	#TODO: version 1, remove
		3008	unshift @msg, msgtype => "reply", msgid => $id;
		3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3010	}
		3011	}
1956		3012
1957	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
1958		3014
1959	Queues a query to the client, calling the given callback with	3015	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3016	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3017	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		3018
1963	Queries can fail, so check the return code. Or don't, as queries will become	3019	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	3020	become reliable at some point in the future.
1965		3021
1966	=cut	3022	=cut
1967		3023
1968	sub cf::client::query {	3024	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3025	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3033	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3034	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3035
1980	$self->send_packet ($self->{query_queue}[0][0])	3036	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3037	if @{ $self->{query_queue} } == 1;
		3038
		3039	1
1982	}	3040	}
1983		3041
1984	cf::client->attach (	3042	cf::client->attach (
		3043	on_connect => sub {
		3044	my ($ns) = @_;
		3045
		3046	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3047	},
1985	on_reply => sub {	3048	on_reply => sub {
1986	my ($ns, $msg) = @_;	3049	my ($ns, $msg) = @_;
1987		3050
1988	# this weird shuffling is so that direct followup queries	3051	# this weird shuffling is so that direct followup queries
1989	# get handled first	3052	# get handled first
1990	my $queue = delete $ns->{query_queue}	3053	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3055
1993	(shift @$queue)->[1]->($msg);	3056	(shift @$queue)->[1]->($msg);
		3057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3058
1995	push @{ $ns->{query_queue} }, @$queue;	3059	push @{ $ns->{query_queue} }, @$queue;
1996		3060
1997	if (@{ $ns->{query_queue} } == @$queue) {	3061	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3062	if (@$queue) {
…		…
2000	} else {	3064	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3066	}
2003	}	3067	}
2004	},	3068	},
		3069	on_exticmd => sub {
		3070	my ($ns, $buf) = @_;
		3071
		3072	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3073
		3074	if (ref $msg) {
		3075	my ($type, $reply, @payload) =
		3076	"ARRAY" eq ref $msg
		3077	? @$msg
		3078	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3079
		3080	my @reply;
		3081
		3082	if (my $cb = $EXTICMD{$type}) {
		3083	@reply = $cb->($ns, @payload);
		3084	}
		3085
		3086	$ns->ext_reply ($reply, @reply)
		3087	if $reply;
		3088
		3089	} else {
		3090	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3091	}
		3092
		3093	cf::override;
		3094	},
2005	);	3095	);
2006		3096
2007	=item $client->async (\&cb)	3097	=item $client->async (\&cb)
2008		3098
2009	Create a new coroutine, running the specified callback. The coroutine will	3099	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3140	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
2052		3142
2053	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
2054		3144
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3145	$safe->permit_only (Opcode::opset qw(
		3146	:base_core :base_mem :base_orig :base_math :base_loop
		3147	grepstart grepwhile mapstart mapwhile
		3148	sort time
		3149	));
2056		3150
2057	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
2058		3152
2059	=pod	3153	=pod
2060		3154
2061	The following fucntions and emthods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
2062		3156
2063	cf::object contr pay_amount pay_player map	3157	cf::object
		3158	contr pay_amount pay_player map x y force_find force_add destroy
		3159	insert remove name archname title slaying race decrease split
		3160	value
		3161
2064	cf::object::player player	3162	cf::object::player
2065	cf::player peaceful	3163	player
2066	cf::map trigger	3164
		3165	cf::player
		3166	peaceful
		3167
		3168	cf::map
		3169	trigger
2067		3170
2068	=cut	3171	=cut
2069		3172
2070	for (	3173	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3175	insert remove inv nrof name archname title slaying race
		3176	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
2075	) {	3180	) {
2076	no strict 'refs';	3181	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2096		3201
2097	my $qcode = $code;	3202	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
2100		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
2101	local $_;	3209	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;
2103		3210
2104	my $eval =	3211	my $eval =
2105	"do {\n"	3212	"do {\n"
2106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
2108	. $code	3215	. $code
2109	. "\n}"	3216	. "\n}"
2110	;	3217	;
2111		3218
		3219	if ($CFG{safe_eval}) {
2112	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
2113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
2115		3228
2116	if ($@) {	3229	if ($@) {
2117	warn "$@";	3230	warn "$@";
2118	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
2119	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2138	=cut	3251	=cut
2139		3252
2140	sub register_script_function {	3253	sub register_script_function {
2141	my ($fun, $cb) = @_;	3254	my ($fun, $cb) = @_;
2142		3255
2143	no strict 'refs';	3256	$fun = "safe::$fun" if $CFG{safe_eval};
2144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3257	*$fun = $safe_hole->wrap ($cb);
2145	}	3258	}
2146		3259
2147	=back	3260	=back
2148		3261
2149	=cut	3262	=cut
2150		3263
2151	#############################################################################	3264	#############################################################################
		3265	# the server's init and main functions
2152		3266
2153	=head2 EXTENSION DATABASE SUPPORT	3267	sub load_facedata($) {
		3268	my ($path) = @_;
2154		3269
2155	Crossfire maintains a very simple database for extension use. It can	3270	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3271	# for this (global event?)
2157	excludes objects.	3272	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3273
2159	The parameter C<$family> should best start with the name of the extension	3274	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3275
2162	=over 4	3276	warn "loading facedata from $path\n";
2163		3277
2164	=item $hashref = cf::db_get $family	3278	my $facedata;
		3279	0 < aio_load $path, $facedata
		3280	or die "$path: $!";
2165		3281
2166	Return a hashref for use by the extension C<$family>, which can be	3282	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3283
2170	=item $value = cf::db_get $family => $key	3284	$facedata->{version} == 2
		3285	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3286
2172	Returns a single value from the database	3287	# patch in the exptable
2173		3288	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174	=item cf::db_put $family => $hashref	3289	$facedata->{resource}{"res/exp_table"} = {
2175		3290	type => FT_RSRC,
2176	Stores the given family hashref into the database. Updates are delayed, if	3291	data => $exp_table,
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3292	hash => (Digest::MD5::md5 $exp_table),
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3293	};
		3294	cf::cede_to_tick;
2225		3295
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3296	{
		3297	my $faces = $facedata->{faceinfo};
2230		3298
2231	sub db_get($;$) {	3299	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3300	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3301
2237	sub db_put($$;$) {	3302	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3303	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3304	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240	} else {	3305	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3306
2246	cf::global->attach (	3307	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3308	}
2251	);
2252	}
2253		3309
2254	#############################################################################	3310	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3311	next unless $info->{smooth};
2256		3312
2257	sub cfg_load {	3313	my $idx = cf::face::find $face
		3314	or next;
		3315
		3316	if (my $smooth = cf::face::find $info->{smooth}) {
		3317	cf::face::set_smooth $idx, $smooth;
		3318	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3319	} else {
		3320	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3321	}
		3322
		3323	cf::cede_to_tick;
		3324	}
		3325	}
		3326
		3327	{
		3328	my $anims = $facedata->{animinfo};
		3329
		3330	while (my ($anim, $info) = each %$anims) {
		3331	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3332	cf::cede_to_tick;
		3333	}
		3334
		3335	cf::anim::invalidate_all; # d'oh
		3336	}
		3337
		3338	{
		3339	my $res = $facedata->{resource};
		3340
		3341	while (my ($name, $info) = each %$res) {
		3342	if (defined $info->{type}) {
		3343	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3344
		3345	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3346	cf::face::set_type $idx, $info->{type};
		3347	} else {
		3348	$RESOURCE{$name} = $info;
		3349	}
		3350
		3351	cf::cede_to_tick;
		3352	}
		3353	}
		3354
		3355	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3356
		3357	1
		3358	}
		3359
		3360	cf::global->attach (on_resource_update => sub {
		3361	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3362	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3363
		3364	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3365	my $sound = $soundconf->{compat}[$_]
		3366	or next;
		3367
		3368	my $face = cf::face::find "sound/$sound->[1]";
		3369	cf::sound::set $sound->[0] => $face;
		3370	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3371	}
		3372
		3373	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3374	my $face = cf::face::find "sound/$v";
		3375	cf::sound::set $k => $face;
		3376	}
		3377	}
		3378	});
		3379
		3380	register_exticmd fx_want => sub {
		3381	my ($ns, $want) = @_;
		3382
		3383	while (my ($k, $v) = each %$want) {
		3384	$ns->fx_want ($k, $v);
		3385	}
		3386	};
		3387
		3388	sub load_resource_file($) {
		3389	my $guard = lock_acquire "load_resource_file";
		3390
		3391	my $status = load_resource_file_ $_[0];
		3392	get_slot 0.1, 100;
		3393	cf::arch::commit_load;
		3394
		3395	$status
		3396	}
		3397
		3398	sub reload_regions {
		3399	# HACK to clear player env face cache, we need some signal framework
		3400	# for this (global event?)
		3401	%ext::player_env::MUSIC_FACE_CACHE = ();
		3402
		3403	load_resource_file "$MAPDIR/regions"
		3404	or die "unable to load regions file\n";
		3405
		3406	for (cf::region::list) {
		3407	$_->{match} = qr/$_->{match}/
		3408	if exists $_->{match};
		3409	}
		3410	}
		3411
		3412	sub reload_facedata {
		3413	load_facedata "$DATADIR/facedata"
		3414	or die "unable to load facedata\n";
		3415	}
		3416
		3417	sub reload_archetypes {
		3418	load_resource_file "$DATADIR/archetypes"
		3419	or die "unable to load archetypes\n";
		3420	}
		3421
		3422	sub reload_treasures {
		3423	load_resource_file "$DATADIR/treasures"
		3424	or die "unable to load treasurelists\n";
		3425	}
		3426
		3427	sub reload_resources {
		3428	warn "reloading resource files...\n";
		3429
		3430	reload_facedata;
		3431	reload_archetypes;
		3432	reload_regions;
		3433	reload_treasures;
		3434
		3435	warn "finished reloading resource files\n";
		3436	}
		3437
		3438	sub reload_config {
		3439	warn "reloading config file...\n";
		3440
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3441	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3442	or return;
2260		3443
2261	local $/;	3444	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3445	*CFG = YAML::XS::Load scalar <$fh>;
2263		3446
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3447	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3448
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3449	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3450	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3454	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3455	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3456	};
2274	warn $@ if $@;	3457	warn $@ if $@;
2275	}	3458	}
		3459
		3460	warn "finished reloading resource files\n";
		3461	}
		3462
		3463	sub pidfile() {
		3464	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3465	or die "$PIDFILE: $!";
		3466	flock $fh, &Fcntl::LOCK_EX
		3467	or die "$PIDFILE: flock: $!";
		3468	$fh
		3469	}
		3470
		3471	# make sure only one server instance is running at any one time
		3472	sub atomic {
		3473	my $fh = pidfile;
		3474
		3475	my $pid = <$fh>;
		3476	kill 9, $pid if $pid > 0;
		3477
		3478	seek $fh, 0, 0;
		3479	print $fh $$;
		3480	}
		3481
		3482	sub main_loop {
		3483	warn "EV::loop starting\n";
		3484	if (1) {
		3485	EV::loop;
		3486	}
		3487	warn "EV::loop returned\n";
		3488	goto &main_loop unless $REALLY_UNLOOP;
2276	}	3489	}
2277		3490
2278	sub main {	3491	sub main {
		3492	cf::init_globals; # initialise logging
		3493
		3494	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3495	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3496	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3497	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3498
		3499	cf::init_experience;
		3500	cf::init_anim;
		3501	cf::init_attackmess;
		3502	cf::init_dynamic;
		3503
		3504	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3505
2279	# we must not ever block the main coroutine	3506	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3507	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3508	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3509	(async {
		3510	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3511	EV::loop EV::LOOP_ONESHOT;
		3512	})->prio (Coro::PRIO_MAX);
2283	};	3513	};
2284		3514
2285	cfg_load;	3515	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3516
		3517	cf::sync_job {
		3518	cf::load_settings;
		3519	cf::load_materials;
		3520
		3521	reload_resources;
		3522	reload_config;
		3523	db_init;
		3524
		3525	cf::init_uuid;
		3526	cf::init_signals;
		3527	cf::init_commands;
		3528	cf::init_skills;
		3529
		3530	cf::init_beforeplay;
		3531
		3532	atomic;
		3533
2287	load_extensions;	3534	load_extensions;
2288	Event::loop;	3535
		3536	utime time, time, $RUNTIMEFILE;
		3537
		3538	# no (long-running) fork's whatsoever before this point(!)
		3539	use POSIX ();
		3540	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3541
		3542	(pop @POST_INIT)->(0) while @POST_INIT;
		3543	};
		3544
		3545	main_loop;
2289	}	3546	}
2290		3547
2291	#############################################################################	3548	#############################################################################
2292	# initialisation and cleanup	3549	# initialisation and cleanup
2293		3550
2294	# install some emergency cleanup handlers	3551	# install some emergency cleanup handlers
2295	BEGIN {	3552	BEGIN {
		3553	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3554	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3555	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3556	cf::cleanup "SIG$signal";
2302	},
2303	);	3557	};
		3558	}
		3559	}
		3560
		3561	sub write_runtime_sync {
		3562	# first touch the runtime file to show we are still running:
		3563	# the fsync below can take a very very long time.
		3564
		3565	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3566
		3567	my $guard = cf::lock_acquire "write_runtime";
		3568
		3569	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3570	or return;
		3571
		3572	my $value = $cf::RUNTIME + 90 + 10;
		3573	# 10 is the runtime save interval, for a monotonic clock
		3574	# 60 allows for the watchdog to kill the server.
		3575
		3576	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3577	and return;
		3578
		3579	# always fsync - this file is important
		3580	aio_fsync $fh
		3581	and return;
		3582
		3583	# touch it again to show we are up-to-date
		3584	aio_utime $fh, undef, undef;
		3585
		3586	close $fh
		3587	or return;
		3588
		3589	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3590	and return;
		3591
		3592	warn "runtime file written.\n";
		3593
2304	}	3594	1
		3595	}
		3596
		3597	our $uuid_lock;
		3598	our $uuid_skip;
		3599
		3600	sub write_uuid_sync($) {
		3601	$uuid_skip ||= $_[0];
		3602
		3603	return if $uuid_lock;
		3604	local $uuid_lock = 1;
		3605
		3606	my $uuid = "$LOCALDIR/uuid";
		3607
		3608	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3609	or return;
		3610
		3611	my $value = uuid_seq uuid_cur;
		3612
		3613	unless ($value) {
		3614	warn "cowardly refusing to write zero uuid value!\n";
		3615	return;
		3616	}
		3617
		3618	my $value = uuid_str $value + $uuid_skip;
		3619	$uuid_skip = 0;
		3620
		3621	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3622	and return;
		3623
		3624	# always fsync - this file is important
		3625	aio_fsync $fh
		3626	and return;
		3627
		3628	close $fh
		3629	or return;
		3630
		3631	aio_rename "$uuid~", $uuid
		3632	and return;
		3633
		3634	warn "uuid file written ($value).\n";
		3635
		3636	1
		3637
		3638	}
		3639
		3640	sub write_uuid($$) {
		3641	my ($skip, $sync) = @_;
		3642
		3643	$sync ? write_uuid_sync $skip
		3644	: async { write_uuid_sync $skip };
2305	}	3645	}
2306		3646
2307	sub emergency_save() {	3647	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3648	my $freeze_guard = cf::freeze_mainloop;
2309		3649
2310	warn "enter emergency perl save\n";	3650	warn "emergency_perl_save: enter\n";
2311		3651
2312	cf::sync_job {	3652	cf::sync_job {
		3653	# this is a trade-off: we want to be very quick here, so
		3654	# save all maps without fsync, and later call a global sync
		3655	# (which in turn might be very very slow)
		3656	local $USE_FSYNC = 0;
		3657
2313	# use a peculiar iteration method to avoid tripping on perl	3658	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3659	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3660	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3661	warn "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3662	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3663	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3664	$pl->valid or next;
		3665	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3666	$pl->save;
2321	}	3667	}
2322	warn "end emergency player save\n";	3668	warn "emergency_perl_save: end player save\n";
2323		3669
2324	warn "begin emergency map save\n";	3670	warn "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3671	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3672	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3673	$map->valid or next;
2328	$map->save;	3674	$map->save;
2329	}	3675	}
2330	warn "end emergency map save\n";	3676	warn "emergency_perl_save: end map save\n";
		3677
		3678	warn "emergency_perl_save: begin database checkpoint\n";
		3679	BDB::db_env_txn_checkpoint $DB_ENV;
		3680	warn "emergency_perl_save: end database checkpoint\n";
		3681
		3682	warn "emergency_perl_save: begin write uuid\n";
		3683	write_uuid_sync 1;
		3684	warn "emergency_perl_save: end write uuid\n";
2331	};	3685	};
2332		3686
		3687	warn "emergency_perl_save: starting sync()\n";
		3688	IO::AIO::aio_sync sub {
		3689	warn "emergency_perl_save: finished sync()\n";
		3690	};
		3691
2333	warn "leave emergency perl save\n";	3692	warn "emergency_perl_save: leave\n";
2334	}	3693	}
2335		3694
		3695	sub post_cleanup {
		3696	my ($make_core) = @_;
		3697
		3698	warn Carp::longmess "post_cleanup backtrace"
		3699	if $make_core;
		3700
		3701	my $fh = pidfile;
		3702	unlink $PIDFILE if <$fh> == $$;
		3703	}
		3704
		3705	# a safer delete_package, copied from Symbol
		3706	sub clear_package($) {
		3707	my $pkg = shift;
		3708
		3709	# expand to full symbol table name if needed
		3710	unless ($pkg =~ /^main::.*::$/) {
		3711	$pkg = "main$pkg" if $pkg =~ /^::/;
		3712	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3713	$pkg .= '::' unless $pkg =~ /::$/;
		3714	}
		3715
		3716	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3717	my $stem_symtab = *{$stem}{HASH};
		3718
		3719	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3720	or return;
		3721
		3722	# clear all symbols
		3723	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3724	for my $name (keys %$leaf_symtab) {
		3725	_gv_clear *{"$pkg$name"};
		3726	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3727	}
		3728	warn "cleared package $pkg\n";#d#
		3729	}
		3730
2336	sub reload() {	3731	sub do_reload_perl() {
2337	# can/must only be called in main	3732	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3733	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3734	warn "can only reload from main coroutine";
2340	return;	3735	return;
2341	}	3736	}
2342		3737
		3738	return if $RELOAD++;
		3739
		3740	my $t1 = EV::time;
		3741
		3742	while ($RELOAD) {
2343	warn "reloading...";	3743	warn "reloading...";
2344		3744
2345	my $guard = freeze_mainloop;	3745	warn "entering sync_job";
		3746
		3747	cf::sync_job {
		3748	cf::write_runtime_sync; # external watchdog should not bark
2346	cf::emergency_save;	3749	cf::emergency_save;
		3750	cf::write_runtime_sync; # external watchdog should not bark
2347		3751
2348	eval {	3752	warn "syncing database to disk";
		3753	BDB::db_env_txn_checkpoint $DB_ENV;
		3754
2349	# if anything goes wrong in here, we should simply crash as we already saved	3755	# if anything goes wrong in here, we should simply crash as we already saved
2350		3756
2351	# cancel all watchers	3757	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3758	while (IO::AIO::nreqs || BDB::nreqs) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3759	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();
2359
2360	# unload all extensions
2361	for (@exts) {
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365
2366	# unload all modules loaded from $LIBDIR
2367	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370	warn "removing <$k>";
2371	delete $INC{$k};
2372
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {
2377	$cb->();
2378	}	3760	}
2379		3761
2380	Symbol::delete_package $k;	3762	warn "cancelling all extension coros";
		3763	$_->cancel for values %EXT_CORO;
		3764	%EXT_CORO = ();
		3765
		3766	warn "removing commands";
		3767	%COMMAND = ();
		3768
		3769	warn "removing ext/exti commands";
		3770	%EXTCMD = ();
		3771	%EXTICMD = ();
		3772
		3773	warn "unloading/nuking all extensions";
		3774	for my $pkg (@EXTS) {
		3775	warn "... unloading $pkg";
		3776
		3777	if (my $cb = $pkg->can ("unload")) {
		3778	eval {
		3779	$cb->($pkg);
		3780	1
		3781	} or warn "$pkg unloaded, but with errors: $@";
		3782	}
		3783
		3784	warn "... clearing $pkg";
		3785	clear_package $pkg;
2381	}	3786	}
2382		3787
2383	# sync database to disk	3788	warn "unloading all perl modules loaded from $LIBDIR";
2384	cf::db_sync;	3789	while (my ($k, $v) = each %INC) {
2385	IO::AIO::flush;	3790	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386		3791
		3792	warn "... unloading $k";
		3793	delete $INC{$k};
		3794
		3795	$k =~ s/\.pm$//;
		3796	$k =~ s/\//::/g;
		3797
		3798	if (my $cb = $k->can ("unload_module")) {
		3799	$cb->();
		3800	}
		3801
		3802	clear_package $k;
		3803	}
		3804
2387	# get rid of safe::, as good as possible	3805	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3806	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3807	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3808
2391	# remove register_script_function callbacks	3809	warn "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3810	delete $INC{"cf.pm"};
		3811	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3812
2397	# don't, removes xs symbols, too,	3813	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3814	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3815	#clear_package __PACKAGE__;
2400		3816
2401	# reload cf.pm	3817	warn "unload completed, starting to reload now";
		3818
2402	warn "reloading cf.pm";	3819	warn "reloading cf.pm";
2403	require cf;	3820	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3821	cf::_connect_to_perl_1;
2405		3822
2406	# load config and database again	3823	warn "loading config and database again";
2407	cf::cfg_load;	3824	cf::reload_config;
2408	cf::db_load;
2409		3825
2410	# load extensions
2411	warn "load extensions";	3826	warn "loading extensions";
2412	cf::load_extensions;	3827	cf::load_extensions;
2413		3828
2414	# reattach attachments to objects	3829	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3830	warn "reattaching attachments to objects/players";
2416	_global_reattach;	3831	_global_reattach; # objects, sockets
		3832	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3833	reattach $_ for values %MAP;
		3834	warn "reattaching attachments to players";
		3835	reattach $_ for values %PLAYER;
		3836	}
		3837
		3838	warn "running post_init jobs";
		3839	(pop @POST_INIT)->(1) while @POST_INIT;
		3840
		3841	warn "leaving sync_job";
		3842
		3843	1
		3844	} or do {
		3845	warn $@;
		3846	cf::cleanup "error while reloading, exiting.";
		3847	};
		3848
		3849	warn "reloaded";
		3850	--$RELOAD;
		3851	}
		3852
		3853	$t1 = EV::time - $t1;
		3854	warn "reload completed in ${t1}s\n";
		3855	};
		3856
		3857	our $RELOAD_WATCHER; # used only during reload
		3858
		3859	sub reload_perl() {
		3860	# doing reload synchronously and two reloads happen back-to-back,
		3861	# coro crashes during coro_state_free->destroy here.
		3862
		3863	$RELOAD_WATCHER ||= cf::async {
		3864	Coro::AIO::aio_wait cache_extensions;
		3865
		3866	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3867	do_reload_perl;
		3868	undef $RELOAD_WATCHER;
		3869	};
2418	};	3870	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3871	}
2471
2472	register "<global>", __PACKAGE__;
2473		3872
2474	register_command "reload" => sub {	3873	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3874	my ($who, $arg) = @_;
2476		3875
2477	if ($who->flag (FLAG_WIZ)) {	3876	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3877	$who->message ("reloading server.");
		3878	async {
		3879	$Coro::current->{desc} = "perl_reload";
		3880	reload_perl;
		3881	};
2481	}	3882	}
2482	};	3883	};
2483		3884
2484	unshift @INC, $LIBDIR;	3885	unshift @INC, $LIBDIR;
2485		3886
2486	$TICK_WATCHER = Event->timer (	3887	my $bug_warning = 0;
2487	reentrant => 0,	3888
2488	prio => 0,	3889	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3890	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3891
2491	cb => sub {	3892	sub wait_for_tick {
		3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3894
		3895	my $signal = new Coro::Signal;
		3896	push @WAIT_FOR_TICK, $signal;
		3897	$signal->wait;
		3898	}
		3899
		3900	sub wait_for_tick_begin {
		3901	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3902
		3903	my $signal = new Coro::Signal;
		3904	push @WAIT_FOR_TICK_BEGIN, $signal;
		3905	$signal->wait;
		3906	}
		3907
		3908	sub tick {
		3909	if ($Coro::current != $Coro::main) {
		3910	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3911	unless ++$bug_warning > 10;
		3912	return;
		3913	}
		3914
2492	cf::server_tick; # one server iteration	3915	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		3916
2496	$WAIT_FOR_TICK->broadcast;	3917	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3918	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2498		3919	Coro::async_pool {
2499	# if we are delayed by four ticks or more, skip them all	3920	$Coro::current->{desc} = "runtime saver";
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501
2502	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3921	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3922	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3923	};
2526	},	3924	}
2527	);	3925
		3926	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3927	$sig->send;
		3928	}
		3929	while (my $sig = shift @WAIT_FOR_TICK) {
		3930	$sig->send;
		3931	}
		3932
		3933	$LOAD = ($NOW - $TICK_START) / $TICK;
		3934	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3935
		3936	if (0) {
		3937	if ($NEXT_TICK) {
		3938	my $jitter = $TICK_START - $NEXT_TICK;
		3939	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3940	warn "jitter $JITTER\n";#d#
		3941	}
		3942	}
		3943	}
		3944
		3945	{
		3946	# configure BDB
		3947
		3948	BDB::min_parallel 8;
		3949	BDB::max_poll_reqs $TICK * 0.1;
		3950	$AnyEvent::BDB::WATCHER->priority (1);
		3951
		3952	unless ($DB_ENV) {
		3953	$DB_ENV = BDB::db_env_create;
		3954	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3955	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3956	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3957	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3958	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3959
		3960	cf::sync_job {
		3961	eval {
		3962	BDB::db_env_open
		3963	$DB_ENV,
		3964	$BDBDIR,
		3965	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3966	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3967	0666;
		3968
		3969	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3970	};
		3971
		3972	cf::cleanup "db_env_open(db): $@" if $@;
		3973	};
		3974	}
		3975
		3976	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3977	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3978	};
		3979	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3980	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3981	};
		3982	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3983	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3984	};
		3985	}
		3986
		3987	{
		3988	# configure IO::AIO
		3989
		3990	IO::AIO::min_parallel 8;
		3991	IO::AIO::max_poll_time $TICK * 0.1;
		3992	undef $AnyEvent::AIO::WATCHER;
		3993	}
		3994
		3995	my $_log_backtrace;
		3996
		3997	sub _log_backtrace {
		3998	my ($msg, @addr) = @_;
		3999
		4000	$msg =~ s/\n//;
		4001
		4002	# limit the # of concurrent backtraces
		4003	if ($_log_backtrace < 2) {
		4004	++$_log_backtrace;
		4005	my $perl_bt = Carp::longmess $msg;
		4006	async {
		4007	$Coro::current->{desc} = "abt $msg";
		4008
		4009	my @bt = fork_call {
		4010	@addr = map { sprintf "%x", $_ } @addr;
		4011	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4012	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4013	or die "addr2line: $!";
		4014
		4015	my @funcs;
		4016	my @res = <$fh>;
		4017	chomp for @res;
		4018	while (@res) {
		4019	my ($func, $line) = splice @res, 0, 2, ();
		4020	push @funcs, "[$func] $line";
		4021	}
		4022
		4023	@funcs
		4024	};
		4025
		4026	LOG llevInfo, "[ABT] $perl_bt\n";
		4027	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4028	LOG llevInfo, "[ABT] $_\n" for @bt;
		4029	--$_log_backtrace;
		4030	};
		4031	} else {
		4032	LOG llevInfo, "[ABT] $msg\n";
		4033	LOG llevInfo, "[ABT] [suppressed]\n";
		4034	}
		4035	}
		4036
		4037	# load additional modules
		4038	require "cf/$_.pm" for @EXTRA_MODULES;
		4039	cf::_connect_to_perl_2;
2528		4040
2529	END { cf::emergency_save }	4041	END { cf::emergency_save }
2530		4042
2531	1	4043	1
2532		4044

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