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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
265	}	478	}
266		479
267	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
268		481
269	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		487
275	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
276		489
277	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
278		491
279	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
282		496
283	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
286	fast or be very important.	500	fast or be very important.
…		…
289		503
290	sub sync_job(&) {	504	sub sync_job(&) {
291	my ($job) = @_;	505	my ($job) = @_;
292		506
293	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
294	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
296		512
297	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	514
299	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
300		516
301	my $busy = 1;	517	my $busy = 1;
302	my @res;	518	my @res;
303		519
304	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	522	@res = eval { $job->() };
306	warn $@ if $@;	523	warn $@ if $@;
307	undef $busy;	524	undef $busy;
308	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
309		526
310	while ($busy) {	527	while ($busy) {
311	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
312	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
313		538
314	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
315	} else {	540	} else {
316	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
317		542
…		…
319	}	544	}
320	}	545	}
321		546
322	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
323		548
324	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	550	extension calling this is being unloaded.
326		551
327	=cut	552	=cut
328		553
329	sub async_ext(&) {	554	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
338		563
339	$coro	564	$coro
340	}	565	}
341		566
342	sub write_runtime {	567	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		568
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
346	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
347		573
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		575
352	aio_fsync $fh	576	sub fork_call(&@) {
353	and return;	577	my ($cb, @args) = @_;
354		578
355	close $fh	579	# we seemingly have to make a local copy of the whole thing,
356	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
357		582
358	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
359	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
360		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
361	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	754	}
363		755
364	=back	756	=back
365		757
366	=cut	758	=cut
367		759
368	#############################################################################	760	#############################################################################
369		761
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
493		763
494	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
497		767
498	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	770	Deliantra).
501		771
502	=over 4	772	=over 4
503		773
504	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
505		775
…		…
549	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
550		820
551	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
553		823
554	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
556		826
557	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
558		828
559	=over 4	829	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	890	our @CB_MAP = ();
621		891
622	my %attachment;	892	my %attachment;
623		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
624	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
626		902
627	use sort 'stable';	903	use sort 'stable';
628		904
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
663		939
664	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		944
669	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	946	my $pkg = shift @arg;
671		947
672	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
702	}	978	}
703		979
704	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
705	} else {	981	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	983	}
708		984
709	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
710	}	986	}
711		987
…		…
713	if (ref $_[0]) {	989	if (ref $_[0]) {
714	_object_attach @_;	990	_object_attach @_;
715	} else {	991	} else {
716	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
717	}	993	}
		994	_recalc_want;
718	};	995	};
719		996
720	# all those should be optimised	997	# all those should be optimised
721	sub cf::attachable::detach {	998	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1003	reattach ($obj);
727	} else {	1004	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
729	}	1006	}
		1007	_recalc_want;
730	};	1008	};
731		1009
732	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
734		1012
…		…
749	";	1027	";
750	die if $@;	1028	die if $@;
751	}	1029	}
752		1030
753	our $override;	1031	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1033
756	sub override {	1034	sub override {
757	$override = 1;	1035	$override = 1;
758	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
759	}	1037	}
760		1038
761	sub do_invoke {	1039	sub do_invoke {
762	my $event = shift;	1040	my $event = shift;
763	my $callbacks = shift;	1041	my $callbacks = shift;
764		1042
765	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
766		1044
767	local $override;	1045	local $override;
768		1046
769	for (@$callbacks) {	1047	for (@$callbacks) {
770	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
779	}	1057	}
780		1058
781	0	1059	0
782	}	1060	}
783		1061
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1063
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1065
788	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
789		1067
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1071
794	=back	1072	=back
795		1073
796	=cut	1074	=cut
797		1075
798	#############################################################################	1076	#############################################################################
799	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
800		1120
801	sub reattach {	1121	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1127
805	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
806		1129
807	@$registry = ();	1130	@$registry = ();
808		1131
…		…
823	cf::attachable->attach (	1146	cf::attachable->attach (
824	prio => -1000000,	1147	prio => -1000000,
825	on_instantiate => sub {	1148	on_instantiate => sub {
826	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
827		1150
828	$data = from_json $data;	1151	$data = decode_json $data;
829		1152
830	for (@$data) {	1153	for (@$data) {
831	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
832		1155
833	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1172	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
851		1174
852	sync_job {	1175	sync_job {
853	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
856		1180
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	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;
860	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
861	close $fh;	1188	aio_close $fh;
862		1189
863	if (@$objs) {	1190	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	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;
868	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
869	close $fh;	1199	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
871	}	1201	}
872	} else {	1202	} else {
873	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
874	}	1204	}
875		1205
876	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1210	} else {
878	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
879	}	1212	}
880	} else {	1213	} else {
881	aio_unlink $filename;	1214	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
883	}	1216	}
884	}	1217	};
885	}	1218	}
886		1219
887	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
889		1222
…		…
901	or return;	1234	or return;
902		1235
903	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
905	or return;	1238	or return;
		1239
906	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
907	}	1242	}
908		1243
		1244	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
911	return ($data, $av);	1248	($data, $av)
912	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
913		1256
914	#############################################################################	1257	#############################################################################
915	# command handling &c	1258	# command handling &c
916		1259
917	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1274	}
932		1275
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1277
935	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
936		1283
937	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
938	called.	1285	called.
939		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
940	=cut	1298	=cut
941		1299
942	sub register_extcmd {	1300	sub register_extcmd {
943	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
944		1302
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
949	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
950		1313
951	cf::player->attach (	1314	cf::player->attach (
952	on_command => sub {	1315	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
954		1317
955	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
956	or return;	1319	or return;
957		1320
…		…
962	cf::override;	1325	cf::override;
963	},	1326	},
964	on_extcmd => sub {	1327	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
966		1329
967	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1331
969	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
975	} else {	1347	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1349	}
978		1350
979	cf::override;	1351	cf::override;
980	},	1352	},
981	);	1353	);
982		1354
983	sub register {	1355	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1356	sub cache_extensions {
990	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
991		1358
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1362	}
1042	}	1363	};
1043		1364
1044	# remove extcmds	1365	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1366	}
1058		1367
1059	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1060	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1373	next unless -r $path;
1062	eval {	1374
1063	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
1064	1	1435	}
1065	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
1066	}	1446	};
1067	}	1447	}
1068		1448
1069	#############################################################################	1449	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1450
1072	*cf::mapsupport::on_clean = sub {	1451	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1452
1085	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1086		1454
1087	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1088		1456
1089	=cut	1457	=cut
1090		1458
1091	package cf::player;	1459	package cf::player;
1092		1460
…		…
1094		1462
1095	=head3 cf::player	1463	=head3 cf::player
1096		1464
1097	=over 4	1465	=over 4
1098		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
1099	=item cf::player::find $login	1481	=item cf::player::find $login
1100		1482
1101	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1102		1484
1103	=cut	1485	=cut
1104		1486
1105	sub playerdir($) {	1487	sub playerdir($) {
1106	cf::localdir	1488	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1490	}
1112		1491
1113	sub path($) {	1492	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1494
1116	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
1117	}	1496	}
1118		1497
1119	sub find_active($) {	1498	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1124		1503
1125	sub exists($) {	1504	sub exists($) {
1126	my ($login) = @_;	1505	my ($login) = @_;
1127		1506
1128	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1130	}	1509	}
1131		1510
1132	sub find($) {	1511	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1513	my $login = $_[0];
1135		1514
1136	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1137		1516
1138	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1142	}	1534	}
1143	}	1535	}
1144	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1145		1550
1146	sub save($) {	1551	sub save($) {
1147	my ($pl) = @_;	1552	my ($pl) = @_;
1148		1553
1149	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1155		1560
1156	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1158		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1159	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1160	Coro::cede;	1570	cf::cede_to_tick;
1161	}	1571	}
1162		1572
1163	sub new($) {	1573	sub new($) {
1164	my ($login) = @_;	1574	my ($login) = @_;
1165		1575
…		…
1171	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1172		1582
1173	$self	1583	$self
1174	}	1584	}
1175		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1176	=item $pl->quit_character	1596	=item $pl->quit_character
1177		1597
1178	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1180		1600
1181	=cut	1601	=cut
1182		1602
1183	sub quit_character {	1603	sub quit_character {
1184	my ($pl) = @_;	1604	my ($pl) = @_;
1185		1605
		1606	my $name = $pl->ob->name;
		1607
1186	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1610
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1193		1617
1194	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1620	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1621	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1622	$pl->destroy;
		1623
		1624	my $prefix = qr<^~\Q$name\E/>;
		1625
		1626	# nuke player maps
		1627	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1628
1199	IO::AIO::aio_rmtree $temp;	1629	IO::AIO::aio_rmtree $temp;
		1630	}
		1631
		1632	=item $pl->kick
		1633
		1634	Kicks a player out of the game. This destroys the connection.
		1635
		1636	=cut
		1637
		1638	sub kick {
		1639	my ($pl, $kicker) = @_;
		1640
		1641	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1642	$pl->killer ("kicked");
		1643	$pl->ns->destroy;
1200	}	1644	}
1201		1645
1202	=item cf::player::list_logins	1646	=item cf::player::list_logins
1203		1647
1204	Returns am arrayref of all valid playernames in the system, can take a	1648	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1649	while and may block, so not sync_job-capable, ever.
1206		1650
1207	=cut	1651	=cut
1208		1652
1209	sub list_logins {	1653	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1654	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1655	or return [];
1212		1656
1213	my @logins;	1657	my @logins;
1214		1658
1215	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1219		1669
1220	utf8::decode $login;	1670	utf8::decode $login;
1221	push @logins, $login;	1671	push @logins, $login;
1222	}	1672	}
1223		1673
1224	\@logins	1674	\@logins
1225	}	1675	}
1226		1676
1227	=item $player->maps	1677	=item $player->maps
1228		1678
1229	Returns an arrayref of cf::path's of all maps that are private for this	1679	Returns an arrayref of map paths that are private for this
1230	player. May block.	1680	player. May block.
1231		1681
1232	=cut	1682	=cut
1233		1683
1234	sub maps($) {	1684	sub maps($) {
1235	my ($pl) = @_;	1685	my ($pl) = @_;
		1686
		1687	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1688
1237	my $files = aio_readdir playerdir $pl	1689	my $files = aio_readdir playerdir $pl
1238	or return;	1690	or return;
1239		1691
1240	my @paths;	1692	my @paths;
1241		1693
1242	for (@$files) {	1694	for (@$files) {
1243	utf8::decode $_;	1695	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1696	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1697	next unless /^$PATH_SEP/o;
1246		1698
1247	s/$PATH_SEP/\//g;	1699	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1700	}
1250		1701
1251	\@paths	1702	\@paths
1252	}	1703	}
1253		1704
		1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1706
		1707	Expand deliantra pod fragments into protocol xml.
		1708
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1255		1710
1256	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1257		1712
1258	=cut	1713	=cut
1259		1714
1260	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1262		1717
1263	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1719	}
1267		1720
1268	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1269		1761
1270	=back	1762	=back
1271
1272		1763
1273	=head3 cf::map	1764	=head3 cf::map
1274		1765
1275	=over 4	1766	=over 4
1276		1767
…		…
1279	package cf::map;	1770	package cf::map;
1280		1771
1281	use Fcntl;	1772	use Fcntl;
1282	use Coro::AIO;	1773	use Coro::AIO;
1283		1774
		1775	use overload
		1776	'""' => \&as_string,
		1777	fallback => 1;
		1778
1284	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1286		1781
1287	sub generate_random_map {	1782	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1786
1290	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1788	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1799	(cf::region::find $rmp->{region}), $rmp->{custom}
		1800	)
1304	}	1801	}
1305		1802
1306	# and all this just because we cannot iterate over	1803	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1804
1311	$_->change_map_light ($change)	1805	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1806	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1807	default).
1314		1808
1315	sub try_load_header($) {	1809	=cut
		1810
		1811	sub register {
		1812	my (undef, $regex, $prio) = @_;
		1813	my $pkg = caller;
		1814
		1815	no strict;
		1816	push @{"$pkg\::ISA"}, __PACKAGE__;
		1817
		1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1819	}
		1820
		1821	# also paths starting with '/'
		1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1823
		1824	sub thawer_merge {
		1825	my ($self, $merge) = @_;
		1826
		1827	# we have to keep some variables in memory intact
		1828	local $self->{path};
		1829	local $self->{load_path};
		1830
		1831	$self->SUPER::thawer_merge ($merge);
		1832	}
		1833
		1834	sub normalise {
1316	my ($path) = @_;	1835	my ($path, $base) = @_;
		1836
		1837	$path = "$path"; # make sure its a string
		1838
		1839	$path =~ s/\.map$//;
		1840
		1841	# map plan:
		1842	#
		1843	# /! non-realised random map exit (special hack!)
		1844	# {... are special paths that are not being touched
		1845	# ?xxx/... are special absolute paths
		1846	# ?random/... random maps
		1847	# /... normal maps
		1848	# ~user/... per-player map of a specific user
		1849
		1850	$path =~ s/$PATH_SEP/\//go;
		1851
		1852	# treat it as relative path if it starts with
		1853	# something that looks reasonable
		1854	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1855	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1856
		1857	$base =~ s{[^/]+/?$}{};
		1858	$path = "$base/$path";
		1859	}
		1860
		1861	for ($path) {
		1862	redo if s{//}{/};
		1863	redo if s{/\.?/}{/};
		1864	redo if s{/[^/]+/\.\./}{/};
		1865	}
		1866
		1867	$path
		1868	}
		1869
		1870	sub new_from_path {
		1871	my (undef, $path, $base) = @_;
		1872
		1873	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1874
		1875	$path = normalise $path, $base;
		1876
		1877	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1878	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1879	my $self = bless cf::map::new, $pkg;
		1880	$self->{path} = $path; $self->path ($path);
		1881	$self->init; # pass $1 etc.
		1882	return $self;
		1883	}
		1884	}
		1885
		1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1887	()
		1888	}
		1889
		1890	sub init {
		1891	my ($self) = @_;
		1892
		1893	$self
		1894	}
		1895
		1896	sub as_string {
		1897	my ($self) = @_;
		1898
		1899	"$self->{path}"
		1900	}
		1901
		1902	# the displayed name, this is a one way mapping
		1903	sub visible_name {
		1904	&as_string
		1905	}
		1906
		1907	# the original (read-only) location
		1908	sub load_path {
		1909	my ($self) = @_;
		1910
		1911	"$MAPDIR/$self->{path}.map"
		1912	}
		1913
		1914	# the temporary/swap location
		1915	sub save_path {
		1916	my ($self) = @_;
		1917
		1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1919	"$TMPDIR/$path.map"
		1920	}
		1921
		1922	# the unique path, undef == no special unique path
		1923	sub uniq_path {
		1924	my ($self) = @_;
		1925
		1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1927	"$UNIQUEDIR/$path"
		1928	}
		1929
		1930	sub decay_objects {
		1931	my ($self) = @_;
		1932
		1933	return if $self->{deny_reset};
		1934
		1935	$self->do_decay_objects;
		1936	}
		1937
		1938	sub unlink_save {
		1939	my ($self) = @_;
		1940
		1941	utf8::encode (my $save = $self->save_path);
		1942	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1943	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1944	}
		1945
		1946	sub load_header_from($) {
		1947	my ($self, $path) = @_;
1317		1948
1318	utf8::encode $path;	1949	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1320	or return;	1951	or return;
1321		1952
1322	my $map = cf::map::new	1953	$self->_load_header ($f)
1323	or return;	1954	or return;
1324		1955
1325	# for better error messages only, will be overwritten	1956	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1957	$f->resolve_delayed_derefs;
1327		1958
1328	$map->load_header ($path)	1959	$self->{load_path} = $path;
		1960
		1961	1
		1962	}
		1963
		1964	sub load_header_orig {
		1965	my ($self) = @_;
		1966
		1967	$self->load_header_from ($self->load_path)
		1968	}
		1969
		1970	sub load_header_temp {
		1971	my ($self) = @_;
		1972
		1973	$self->load_header_from ($self->save_path)
		1974	}
		1975
		1976	sub prepare_temp {
		1977	my ($self) = @_;
		1978
		1979	$self->last_access ((delete $self->{last_access})
		1980	|| $cf::RUNTIME); #d#
		1981	# safety
		1982	$self->{instantiate_time} = $cf::RUNTIME
		1983	if $self->{instantiate_time} > $cf::RUNTIME;
		1984	}
		1985
		1986	sub prepare_orig {
		1987	my ($self) = @_;
		1988
		1989	$self->{load_original} = 1;
		1990	$self->{instantiate_time} = $cf::RUNTIME;
		1991	$self->last_access ($cf::RUNTIME);
		1992	$self->instantiate;
		1993	}
		1994
		1995	sub load_header {
		1996	my ($self) = @_;
		1997
		1998	if ($self->load_header_temp) {
		1999	$self->prepare_temp;
		2000	} else {
		2001	$self->load_header_orig
1329	or return;	2002	or return;
		2003	$self->prepare_orig;
		2004	}
1330		2005
1331	$map->{load_path} = $path;	2006	$self->{deny_reset} = 1
		2007	if $self->no_reset;
1332		2008
1333	$map	2009	$self->default_region (cf::region::find_by_path $self->{path})
		2010	unless $self->default_region;
		2011
		2012	1
1334	}	2013	}
1335		2014
1336	sub find;	2015	sub find;
1337	sub find {	2016	sub find {
1338	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1339		2018
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2020
1345	cf::lock_wait "map_find:$key";	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2023
1350	# do it the slow way	2024	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2025	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2026	or return;
1369		2027
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1382		2029
1383	Coro::cede;	2030	$map->load_header
		2031	or return;
1384		2032
1385	if ($map->should_reset) {	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2034	# doing this can freeze the server in a sync job, obviously
		2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1386	$map->reset;	2038	$map->reset;
1387	undef $guard;
1388	$map = find $path	2039	return find $path;
1389	or return;
1390	}	2040	}
1391		2041
1392	$cf::MAP{$key} = $map	2042	$cf::MAP{$path} = $map
1393	}	2043	}
1394	}	2044	}
		2045
		2046	sub pre_load { }
		2047	#sub post_load { } # XS
1395		2048
1396	sub load {	2049	sub load {
1397	my ($self) = @_;	2050	my ($self) = @_;
1398		2051
		2052	local $self->{deny_reset} = 1; # loading can take a long time
		2053
1399	my $path = $self->{path};	2054	my $path = $self->{path};
		2055
		2056	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2057	my $guard = cf::lock_acquire "map_data:$path";
1401		2058
		2059	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2061
1404	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1405		2063
1406	$self->alloc;	2064	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2065
		2066	$self->pre_load;
		2067	cf::cede_to_tick;
		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
		2071	$self->_load_objects ($f)
1408	or return;	2072	or return;
1409		2073
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1411	if delete $self->{load_original};	2075	if delete $self->{load_original};
1412		2076
1413	if (my $uniq = $path->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2078	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2081	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1418	}	2085	}
1419	}	2086	}
1420		2087
1421	Coro::cede;	2088	$f->resolve_delayed_derefs;
1422		2089
		2090	cf::cede_to_tick;
1423	# now do the right thing for maps	2091	# now do the right thing for maps
1424	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2094	unless $self->difficulty;
		2095	cf::cede_to_tick;
		2096
		2097	unless ($self->{deny_activate}) {
		2098	$self->decay_objects;
		2099	$self->fix_auto_apply;
		2100	$self->update_buttons;
		2101	cf::cede_to_tick;
1436	$self->activate;	2102	$self->activate;
1437	}	2103	}
1438		2104
1439	Coro::cede;	2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
1440		2107
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
		2109	}
		2110
		2111	$self->post_load;
		2112	}
		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
		2117	sub customise_for {
		2118	my ($self, $ob) = @_;
		2119
		2120	return find "~" . $ob->name . "/" . $self->{path}
		2121	if $self->per_player;
		2122
		2123	# return find "?party/" . $ob->name . "/" . $self->{path}
		2124	# if $self->per_party;
		2125
		2126	$self
1442	}	2127	}
1443		2128
1444	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2130	sub load_neighbours {
1446	my ($map) = @_;	2131	my ($map) = @_;
1447		2132
1448	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1449		2134
1450	for (0 .. 3) {	2135	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1452	or next;	2137	or next;
1453	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1454	or next;	2139	or next;
1455	$neigh->load;	2140	$neigh->load;
1456		2141
		2142	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2145	}
1460		2146
1461	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1463	or next;	2150	or next;
1464	$neigh->load;	2151	$neigh->load;
1465	}	2152	}
1466	}	2153	}
1467		2154
…		…
1472	}	2159	}
1473		2160
1474	sub do_load_sync {	2161	sub do_load_sync {
1475	my ($map) = @_;	2162	my ($map) = @_;
1476		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1477	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1478	}	2168	}
1479		2169
1480	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
		2171	our $MAP_PREFETCHER = undef;
		2172
		2173	sub find_async {
		2174	my ($path, $origin, $load) = @_;
		2175
		2176	$path = normalise $path, $origin && $origin->{path};
		2177
		2178	if (my $map = $cf::MAP{$path}) {
		2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2180	}
		2181
		2182	$MAP_PREFETCH{$path} |= $load;
		2183
1481	our $MAP_PREFETCHER = Coro::async {	2184	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2185	$Coro::current->{desc} = "map prefetcher";
		2186
1483	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2189	if (my $map = find $k) {
		2190	$map->load if $v;
		2191	}
		2192
1486	my $path = delete $MAP_PREFETCH{$key};	2193	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2194	}
1492	Coro::schedule;	2195	}
		2196	undef $MAP_PREFETCHER;
1493	}	2197	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2198	$MAP_PREFETCHER->prio (6);
1508		2199
1509	()	2200	()
1510	}	2201	}
1511		2202
1512	sub save {	2203	sub save {
1513	my ($self) = @_;	2204	my ($self) = @_;
1514		2205
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2207
1517	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1518		2209
1519	return unless $self->dirty;	2210	return unless $self->dirty;
1520		2211
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2212	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2213	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2214
1524	$self->{load_path} = $save;	2215	$self->{load_path} = $save;
1525		2216
1526	return if $self->{deny_save};	2217	return if $self->{deny_save};
1527		2218
1528	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1529		2220
1530	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1532	};	2224	};
1533		2225
		2226	cf::get_slot 0.02;
		2227
1534	if ($uniq) {	2228	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2231	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2233	}
1540	}	2234	}
1541		2235
1542	sub swap_out {	2236	sub swap_out {
1543	my ($self) = @_;	2237	my ($self) = @_;
1544		2238
1545	# save first because save cedes	2239	# save first because save cedes
1546	$self->save;	2240	$self->save;
1547		2241
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2243
1550	return if $self->players;	2244	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2246	return if $self->{deny_save};
1553		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2252	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2253	}
1557		2254
1558	sub reset_at {	2255	sub reset_at {
1559	my ($self) = @_;	2256	my ($self) = @_;
1560		2257
1561	# TODO: safety, remove and allow resettable per-player maps	2258	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2259	return 1e99 if $self->{deny_reset};
1564		2260
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2261	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2262	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2263
…		…
1572	my ($self) = @_;	2268	my ($self) = @_;
1573		2269
1574	$self->reset_at <= $cf::RUNTIME	2270	$self->reset_at <= $cf::RUNTIME
1575	}	2271	}
1576		2272
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2273	sub reset {
1599	my ($self) = @_;	2274	my ($self) = @_;
1600		2275
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2277
1603	return if $self->players;	2278	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2279
1606	warn "resetting map ", $self->path;#d#	2280	warn "resetting map ", $self->path, "\n";
		2281
		2282	$self->in_memory (cf::MAP_SWAPPED);
		2283
		2284	# need to save uniques path
		2285	unless ($self->{deny_save}) {
		2286	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2287
		2288	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2289	if $uniq;
		2290	}
1607		2291
1608	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1609		2293
		2294	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->clear;
1611		2297
1612	$self->unlink_save;	2298	$self->unlink_save;
1613	$self->destroy;	2299	$self->destroy;
1614	}	2300	}
1615		2301
1616	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
1617		2303
1618	sub nuke {	2304	sub nuke {
1619	my ($self) = @_;	2305	my ($self) = @_;
1620		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
		2310	delete $cf::MAP{$self->path};
		2311
		2312	$self->unlink_save;
		2313
		2314	bless $self, "cf::map";
		2315	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2319
		2320	$cf::MAP{$self->path} = $self;
		2321	}
		2322
1624	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
1625	}	2324	}
1626		2325
1627	sub customise_for {	2326	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2327
1630	if ($map->per_player) {	2328	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2329	maps. May block.
		2330
		2331	=cut
		2332
		2333	sub tmp_maps() {
1632	}	2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	/\.map$/
		2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $TMPDIR or [] }
		2341	]
		2342	}
1633		2343
		2344	=item $maps = cf::map::random_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	random maps. May block.
		2348
		2349	=cut
		2350
		2351	sub random_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise "?random/$_"
		2357	: ()
		2358	} @{ aio_readdir $RANDOMDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item cf::map::unique_maps
		2363
		2364	Returns an arrayref of paths of all shared maps that have
		2365	instantiated unique items. May block.
		2366
		2367	=cut
		2368
		2369	sub unique_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
		2376	: normalise $_
		2377	} @{ aio_readdir $UNIQUEDIR or [] }
		2378	]
		2379	}
		2380
		2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
1634	$map	2410	\@maps
1635	}	2411	}
1636
1637	package cf;
1638		2412
1639	=back	2413	=back
1640		2414
1641	=head3 cf::object	2415	=head3 cf::object
1642		2416
…		…
1646		2420
1647	=over 4	2421	=over 4
1648		2422
1649	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
1650		2424
1651	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
1652		2427
1653	=cut	2428	=cut
1654		2429
1655	sub inv_recursive_;	2430	sub inv_recursive_;
1656	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
1659		2434
1660	sub inv_recursive {	2435	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
1662	}	2437	}
1663		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
1664	package cf;	2467	package cf;
1665		2468
1666	=back	2469	=back
1667		2470
1668	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
1677		2480
1678	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
1679		2496
1680	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2498	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
1685		2502
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2503	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2504
1688	if ($self->{record_replies}) {	2505	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2506	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2507
1690	} else {	2508	} else {
		2509	my $pl = $self->contr;
		2510
		2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2512	my $dialog = $pl->{npc_dialog};
		2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2514
		2515	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2518	}
1693	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
1694	}	2530	}
1695		2531
1696	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
1697		2533
1698	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
1711		2547
1712	=item $player_object->enter_link	2548	=item $player_object->enter_link
1713		2549
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2551
1716	The player should be reaosnably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
		2556
		2557	Will never block.
1718		2558
1719	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
1720		2560
1721	Moves the player out of the specila link map onto the given map. If the	2561	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2562	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2563	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2564	fails, to the emergency map position.
1725		2565
1726	Might block.	2566	Might block.
1727		2567
1728	=cut	2568	=cut
		2569
		2570	sub link_map {
		2571	unless ($LINK_MAP) {
		2572	$LINK_MAP = cf::map::find "{link}"
		2573	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2574	$LINK_MAP->load;
		2575	}
		2576
		2577	$LINK_MAP
		2578	}
1729		2579
1730	sub cf::object::player::enter_link {	2580	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2581	my ($self) = @_;
1732		2582
1733	$self->deactivate_recursive;	2583	$self->deactivate_recursive;
1734		2584
1735	return if $self->map == $LINK_MAP;	2585	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2586
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2587	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2588	if $self->map && $self->map->{path} ne "{link}";
1739		2589
1740	$self->enter_map ($LINK_MAP, 20, 20);	2590	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2591	}
1742		2592
1743	sub cf::object::player::leave_link {	2593	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2594	my ($self, $map, $x, $y) = @_;
		2595
		2596	return unless $self->contr->active;
1745		2597
1746	my $link_pos = delete $self->{_link_pos};	2598	my $link_pos = delete $self->{_link_pos};
1747		2599
1748	unless ($map) {	2600	unless ($map) {
1749	# restore original map position	2601	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
1762		2614
1763	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
1766		2618
1767	$map->load;	2619	$map->load;
1768	$map->load_diag;	2620	$map->load_neighbours;
1769		2621
1770	return unless $self->contr->active;	2622	return unless $self->contr->active;
		2623
		2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2628	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2629	}
1774		2630
1775	cf::player->attach (	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2632
1779	# abort map switching before logout	2633	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2634	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2635	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2636	the new (success) or old (failed) map position. In either case, $done will
1783	};	2637	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2638
1789	# try to abort aborted map switching on player login :)	2639	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2640	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2641
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2642	=cut
		2643
		2644	our $GOTOGEN;
1810		2645
1811	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2648
1814	$path = new cf::path $path;	2649	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2651
1817	$self->enter_link;	2652	$self->enter_link;
1818		2653
1819	(async {	2654	(async {
1820	my $map = cf::map::find $path->as_string;	2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
		2676	my $map = eval {
		2677	my $map = defined $path ? cf::map::find $path : undef;
		2678
		2679	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2680	$map = $map->customise_for ($self);
1822		2681	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2682	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2684	}
1827		2685
		2686	$map
		2687	};
		2688
		2689	if ($@) {
		2690	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2691	LOG llevError | logBacktrace, Carp::longmess $@;
		2692	}
		2693
		2694	if ($gen == $self->{_goto_generation}) {
		2695	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
		2697	}
		2698
		2699	$done->() if $done;
1829	})->prio (1);	2700	})->prio (1);
1830	}	2701	}
1831		2702
1832	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
1833		2704
…		…
1835		2706
1836	sub parse_random_map_params {	2707	sub parse_random_map_params {
1837	my ($spec) = @_;	2708	my ($spec) = @_;
1838		2709
1839	my $rmp = { # defaults	2710	my $rmp = { # defaults
1840	xsize => 10,	2711	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2712	ysize => (cf::rndm 15, 40),
		2713	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2714	#layout => string,
1842	};	2715	};
1843		2716
1844	for (split /\n/, $spec) {	2717	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2718	my ($k, $v) = split /\s+/, $_, 2;
1846		2719
…		…
1858	# that depends on the exit object	2731	# that depends on the exit object
1859		2732
1860	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
1861		2734
1862	if ($exit->map) {	2735	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2736	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
1867	}	2742	}
1868		2743
1869	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
1870		2745
1871	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
		2748	my $meta = "$RANDOMDIR/$md5.meta";
1873		2749
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
		2752	undef $fh;
		2753	aio_rename "$meta~", $meta;
1876		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
1879	}	2761	}
1880	}	2762	}
1881		2763
1882	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
1886		2768
1887	$self->enter_link;	2769	$self->enter_link;
1888		2770
1889	(async {	2771	(async {
1890	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
1891	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
1892	prepare_random_map $exit	2781	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2782	if $exit->slaying eq "/!";
		2783	}
1894		2784
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
1897		2788
		2789	$self->goto ($map, $x, $y);
		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
1898	1;	2795	1
1899	}) {	2796	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2799	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2801
1905	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2803	$self->leave_link;
1907	}	2804	}
1908	})->prio (1);	2805	})->prio (1);
…		…
1921		2818
1922	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
1924		2821
1925	utf8::encode $text;	2822	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2824	}
1928		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
		2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2852
		2853	Send a drawinfo or msg packet to the client, formatting the msg for the
		2854	client if neccessary. C<$type> should be a string identifying the type of
		2855	the message, with C<log> being the default. If C<$color> is negative, suppress
		2856	the message unless the client supports the msg packet.
		2857
		2858	=cut
		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
		2974	sub cf::client::send_msg {
		2975	my ($self, $channel, $msg, $color, @extra) = @_;
		2976
		2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
		2979
		2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
		2994	}
		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
		3013	=item $client->ext_msg ($type, @msg)
		3014
		3015	Sends an ext event to the client.
		3016
		3017	=cut
		3018
		3019	sub cf::client::ext_msg($$@) {
		3020	my ($self, $type, @msg) = @_;
		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
		3025	push @msg, msgtype => "event_$type";
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
		3046	}
1929		3047
1930	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
1931		3049
1932	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3051	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3052	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3053
1936	Queries can fail, so check the return code. Or don't, as queries will become	3054	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3055	become reliable at some point in the future.
1938		3056
1939	=cut	3057	=cut
1940		3058
1941	sub cf::client::query {	3059	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3060	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3068	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3069	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3070
1953	$self->send_packet ($self->{query_queue}[0][0])	3071	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3072	if @{ $self->{query_queue} } == 1;
		3073
		3074	1
1955	}	3075	}
1956		3076
1957	cf::client->attach (	3077	cf::client->attach (
		3078	on_connect => sub {
		3079	my ($ns) = @_;
		3080
		3081	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3082	},
1958	on_reply => sub {	3083	on_reply => sub {
1959	my ($ns, $msg) = @_;	3084	my ($ns, $msg) = @_;
1960		3085
1961	# this weird shuffling is so that direct followup queries	3086	# this weird shuffling is so that direct followup queries
1962	# get handled first	3087	# get handled first
1963	my $queue = delete $ns->{query_queue}	3088	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3089	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3090
1966	(shift @$queue)->[1]->($msg);	3091	(shift @$queue)->[1]->($msg);
		3092	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3093
1968	push @{ $ns->{query_queue} }, @$queue;	3094	push @{ $ns->{query_queue} }, @$queue;
1969		3095
1970	if (@{ $ns->{query_queue} } == @$queue) {	3096	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3097	if (@$queue) {
…		…
1973	} else {	3099	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3100	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3101	}
1976	}	3102	}
1977	},	3103	},
		3104	on_exticmd => sub {
		3105	my ($ns, $buf) = @_;
		3106
		3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3108
		3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
		3117	if (my $cb = $EXTICMD{$type}) {
		3118	@reply = $cb->($ns, @payload);
		3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
		3124	} else {
		3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3126	}
		3127
		3128	cf::override;
		3129	},
1978	);	3130	);
1979		3131
1980	=item $client->async (\&cb)	3132	=item $client->async (\&cb)
1981		3133
1982	Create a new coroutine, running the specified callback. The coroutine will	3134	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3150
1999	$coro	3151	$coro
2000	}	3152	}
2001		3153
2002	cf::client->attach (	3154	cf::client->attach (
2003	on_destroy => sub {	3155	on_client_destroy => sub {
2004	my ($ns) = @_;	3156	my ($ns) = @_;
2005		3157
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3159	},
2008	);	3160	);
…		…
2023	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2025		3177
2026	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2027		3179
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2029		3185
2030	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2031		3187
2032	=pod	3188	=pod
2033		3189
2034	The following fucntions and emthods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2035		3191
2036	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2037	cf::object::player player	3197	cf::object::player
2038	cf::player peaceful	3198	player
2039	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2040		3205
2041	=cut	3206	=cut
2042		3207
2043	for (	3208	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2048	) {	3215	) {
2049	no strict 'refs';	3216	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069		3236
2070	my $qcode = $code;	3237	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2073		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2074	local $_;	3244	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3245
2077	my $eval =	3246	my $eval =
2078	"do {\n"	3247	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3250	. $code
2082	. "\n}"	3251	. "\n}"
2083	;	3252	;
2084		3253
		3254	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2088		3263
2089	if ($@) {	3264	if ($@) {
2090	warn "$@";	3265	warn "$@";
2091	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2092	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2111	=cut	3286	=cut
2112		3287
2113	sub register_script_function {	3288	sub register_script_function {
2114	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2115		3290
2116	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2118	}	3293	}
2119		3294
2120	=back	3295	=back
2121		3296
2122	=cut	3297	=cut
2123		3298
2124	#############################################################################	3299	#############################################################################
		3300	# the server's init and main functions
2125		3301
2126	=head2 EXTENSION DATABASE SUPPORT	3302	sub load_facedata($) {
		3303	my ($path) = @_;
2127		3304
2128	Crossfire maintains a very simple database for extension use. It can	3305	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3306	# for this (global event?)
2130	excludes objects.	3307	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3308
2132	The parameter C<$family> should best start with the name of the extension	3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3310
2135	=over 4	3311	warn "loading facedata from $path\n";
2136		3312
2137	=item $hashref = cf::db_get $family	3313	my $facedata;
		3314	0 < aio_load $path, $facedata
		3315	or die "$path: $!";
2138		3316
2139	Return a hashref for use by the extension C<$family>, which can be	3317	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3318
2143	=item $value = cf::db_get $family => $key	3319	$facedata->{version} == 2
		3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3321
2145	Returns a single value from the database	3322	# patch in the exptable
2146		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3324	$facedata->{resource}{"res/exp_table"} = {
2148		3325	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3326	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3327	hash => (Digest::MD5::md5 $exp_table),
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3328	};
		3329	cf::cede_to_tick;
2198		3330
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3331	{
		3332	my $faces = $facedata->{faceinfo};
2203		3333
2204	sub db_get($;$) {	3334	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3336
2210	sub db_put($$;$) {	3337	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3341
2219	cf::global->attach (	3342	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3343	}
2224	);
2225	}
2226		3344
2227	#############################################################################	3345	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3346	next unless $info->{smooth};
2229		3347
2230	sub cfg_load {	3348	my $idx = cf::face::find $face
		3349	or next;
		3350
		3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
		3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3354	} else {
		3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	{
		3363	my $anims = $facedata->{animinfo};
		3364
		3365	while (my ($anim, $info) = each %$anims) {
		3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3367	cf::cede_to_tick;
		3368	}
		3369
		3370	cf::anim::invalidate_all; # d'oh
		3371	}
		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
		3392	1
		3393	}
		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
		3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
		3438	load_resource_file "$MAPDIR/regions"
		3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
		3445	}
		3446
		3447	sub reload_facedata {
		3448	load_facedata "$DATADIR/facedata"
		3449	or die "unable to load facedata\n";
		3450	}
		3451
		3452	sub reload_archetypes {
		3453	load_resource_file "$DATADIR/archetypes"
		3454	or die "unable to load archetypes\n";
		3455	}
		3456
		3457	sub reload_treasures {
		3458	load_resource_file "$DATADIR/treasures"
		3459	or die "unable to load treasurelists\n";
		3460	}
		3461
		3462	sub reload_resources {
		3463	warn "reloading resource files...\n";
		3464
		3465	reload_facedata;
		3466	reload_archetypes;
		3467	reload_regions;
		3468	reload_treasures;
		3469
		3470	warn "finished reloading resource files\n";
		3471	}
		3472
		3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3477	or return;
2233		3478
2234	local $/;	3479	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2236		3481
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238		3483
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3491	};
2247	warn $@ if $@;	3492	warn $@ if $@;
2248	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3524	}
2250		3525
2251	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2252	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3544	(async {
		3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
		3547	})->prio (Coro::PRIO_MAX);
2256	};	3548	};
2257		3549
2258	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
		3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2260	load_extensions;	3568	load_extensions;
2261	Event::loop;	3569
		3570	utime time, time, $RUNTIMEFILE;
		3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2262	}	3580	}
2263		3581
2264	#############################################################################	3582	#############################################################################
2265	# initialisation and cleanup	3583	# initialisation and cleanup
2266		3584
2267	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2268	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2275	},
2276	);	3591	};
		3592	}
		3593	}
		3594
		3595	sub write_runtime_sync {
		3596	my $t0 = EV::time;
		3597
		3598	# first touch the runtime file to show we are still running:
		3599	# the fsync below can take a very very long time.
		3600
		3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3602
		3603	my $guard = cf::lock_acquire "write_runtime";
		3604
		3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3606	or return;
		3607
		3608	my $value = $cf::RUNTIME + 90 + 10;
		3609	# 10 is the runtime save interval, for a monotonic clock
		3610	# 60 allows for the watchdog to kill the server.
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	# touch it again to show we are up-to-date
		3620	aio_utime $fh, undef, undef;
		3621
		3622	close $fh
		3623	or return;
		3624
		3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3626	and return;
		3627
		3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3629
2277	}	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2278	}	3681	}
2279		3682
2280	sub emergency_save() {	3683	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2282		3685
2283	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2284		3687
2285	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2286	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3702	$pl->save;
2294	}	3703	}
2295	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2296		3705
2297	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3709	$map->valid or next;
2301	$map->save;	3710	$map->save;
2302	}	3711	}
2303	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
		3713
		3714	warn "emergency_perl_save: begin database checkpoint\n";
		3715	BDB::db_env_txn_checkpoint $DB_ENV;
		3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2304	};	3721	};
2305		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2306	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2307	}	3729	}
2308		3730
		3731	sub post_cleanup {
		3732	my ($make_core) = @_;
		3733
		3734	warn Carp::longmess "post_cleanup backtrace"
		3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
		3765	}
		3766
2309	sub reload() {	3767	sub do_reload_perl() {
2310	# can/must only be called in main	3768	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3770	warn "can only reload from main coroutine";
2313	return;	3771	return;
2314	}	3772	}
2315		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
2316	warn "reloading...";	3779	warn "reloading...";
2317		3780
2318	my $guard = freeze_mainloop;	3781	warn "entering sync_job";
		3782
		3783	cf::sync_job {
		3784	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3785	cf::emergency_save;
		3786	cf::write_runtime_sync; # external watchdog should not bark
2320		3787
2321	eval {	3788	warn "syncing database to disk";
		3789	BDB::db_env_txn_checkpoint $DB_ENV;
		3790
2322	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2323		3792
2324	# cancel all watchers	3793	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();
2332
2333	# unload all extensions
2334	for (@exts) {
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338
2339	# unload all modules loaded from $LIBDIR
2340	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343	warn "removing <$k>";
2344	delete $INC{$k};
2345
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {
2350	$cb->();
2351	}	3796	}
2352		3797
2353	Symbol::delete_package $k;	3798	warn "cancelling all extension coros";
		3799	$_->cancel for values %EXT_CORO;
		3800	%EXT_CORO = ();
		3801
		3802	warn "removing commands";
		3803	%COMMAND = ();
		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
		3811	warn "... unloading $pkg";
		3812
		3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
		3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2354	}	3822	}
2355		3823
2356	# sync database to disk	3824	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3825	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
		3839	}
		3840
2360	# get rid of safe::, as good as possible	3841	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3844
2364	# remove register_script_function callbacks	3845	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
		3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3848
2370	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3850	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2373		3852
2374	# reload cf.pm	3853	warn "unload completed, starting to reload now";
		3854
2375	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2376	require cf;	3856	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2378		3858
2379	# load config and database again	3859	warn "loading config and database again";
2380	cf::cfg_load;	3860	cf::reload_config;
2381	cf::db_load;
2382		3861
2383	# load extensions
2384	warn "load extensions";	3862	warn "loading extensions";
2385	cf::load_extensions;	3863	cf::load_extensions;
2386		3864
2387	# reattach attachments to objects	3865	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3866	warn "reattaching attachments to objects/players";
2389	_global_reattach;	3867	_global_reattach; # objects, sockets
		3868	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
		3870	warn "reattaching attachments to players";
		3871	reattach $_ for values %PLAYER;
		3872	}
		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
		3877	warn "leaving sync_job";
		3878
		3879	1
		3880	} or do {
		3881	warn $@;
		3882	cf::cleanup "error while reloading, exiting.";
		3883	};
		3884
		3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
		3891	};
		3892
		3893	our $RELOAD_WATCHER; # used only during reload
		3894
		3895	sub reload_perl() {
		3896	# doing reload synchronously and two reloads happen back-to-back,
		3897	# coro crashes during coro_state_free->destroy here.
		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
		3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3903	do_reload_perl;
		3904	undef $RELOAD_WATCHER;
		3905	};
2391	};	3906	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3907	}
2444
2445	register "<global>", __PACKAGE__;
2446		3908
2447	register_command "reload" => sub {	3909	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
2449		3911
2450	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
		3916	reload_perl;
		3917	};
2454	}	3918	}
2455	};	3919	};
2456		3920
2457	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
2458		3922
2459	$TICK_WATCHER = Event->timer (	3923	my $bug_warning = 0;
2460	reentrant => 0,	3924
2461	prio => 0,	3925	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3926	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3927
2464	cb => sub {	3928	sub wait_for_tick {
		3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3930
		3931	my $signal = new Coro::Signal;
		3932	push @WAIT_FOR_TICK, $signal;
		3933	$signal->wait;
		3934	}
		3935
		3936	sub wait_for_tick_begin {
		3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3938
		3939	my $signal = new Coro::Signal;
		3940	push @WAIT_FOR_TICK_BEGIN, $signal;
		3941	$signal->wait;
		3942	}
		3943
		3944	sub tick {
		3945	if ($Coro::current != $Coro::main) {
		3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3947	unless ++$bug_warning > 10;
		3948	return;
		3949	}
		3950
2465	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		3952
2469	$WAIT_FOR_TICK->broadcast;	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		3954
2472	# if we are delayed by four ticks or more, skip them all	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		3957	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	3958	$Coro::current->{desc} = "runtime saver";
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	3959	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	3960	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	3961	};
2499	},	3962	}
2500	);	3963
		3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3965	$sig->send;
		3966	}
		3967	while (my $sig = shift @WAIT_FOR_TICK) {
		3968	$sig->send;
		3969	}
		3970
		3971	$LOAD = ($NOW - $TICK_START) / $TICK;
		3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3973
		3974	if (0) {
		3975	if ($NEXT_TICK) {
		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
		3980	}
		3981	}
		3982
		3983	{
		3984	# configure BDB
		3985
		3986	BDB::min_parallel 16;
		3987	BDB::max_poll_reqs $TICK * 0.1;
		3988	$AnyEvent::BDB::WATCHER->priority (1);
		3989
		3990	unless ($DB_ENV) {
		3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3997
		3998	cf::sync_job {
		3999	eval {
		4000	BDB::db_env_open
		4001	$DB_ENV,
		4002	$BDBDIR,
		4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4005	0666;
		4006
		4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4008	};
		4009
		4010	cf::cleanup "db_env_open(db): $@" if $@;
		4011	};
		4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
		4023	}
		4024
		4025	{
		4026	# configure IO::AIO
		4027
		4028	IO::AIO::min_parallel 8;
		4029	IO::AIO::max_poll_time $TICK * 0.1;
		4030	undef $AnyEvent::AIO::WATCHER;
		4031	}
		4032
		4033	my $_log_backtrace;
		4034
		4035	sub _log_backtrace {
		4036	my ($msg, @addr) = @_;
		4037
		4038	$msg =~ s/\n//;
		4039
		4040	# limit the # of concurrent backtraces
		4041	if ($_log_backtrace < 2) {
		4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
		4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
		4047	my @bt = fork_call {
		4048	@addr = map { sprintf "%x", $_ } @addr;
		4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4051	or die "addr2line: $!";
		4052
		4053	my @funcs;
		4054	my @res = <$fh>;
		4055	chomp for @res;
		4056	while (@res) {
		4057	my ($func, $line) = splice @res, 0, 2, ();
		4058	push @funcs, "[$func] $line";
		4059	}
		4060
		4061	@funcs
		4062	};
		4063
		4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4066	LOG llevInfo, "[ABT] $_\n" for @bt;
		4067	--$_log_backtrace;
		4068	};
		4069	} else {
		4070	LOG llevInfo, "[ABT] $msg\n";
		4071	LOG llevInfo, "[ABT] [suppressed]\n";
		4072	}
		4073	}
		4074
		4075	# load additional modules
		4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
2501		4078
2502	END { cf::emergency_save }	4079	END { cf::emergency_save }
2503		4080
2504	1	4081	1
2505		4082

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