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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 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	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
498		763
499	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
500	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")
501	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
502		767
503	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>
504	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
505	crossfire+).	770	Deliantra).
506		771
507	=over 4	772	=over 4
508		773
509	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
510		775
…		…
554	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
555		820
556	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
558		823
559	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
561		826
562	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
563		828
564	=over 4	829	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	890	our @CB_MAP = ();
626		891
627	my %attachment;	892	my %attachment;
628		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
629	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
631		902
632	use sort 'stable';	903	use sort 'stable';
633		904
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
668		939
669	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		944
674	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	946	my $pkg = shift @arg;
676		947
677	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
707	}	978	}
708		979
709	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
710	} else {	981	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	983	}
713		984
714	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
715	}	986	}
716		987
…		…
718	if (ref $_[0]) {	989	if (ref $_[0]) {
719	_object_attach @_;	990	_object_attach @_;
720	} else {	991	} else {
721	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
722	}	993	}
		994	_recalc_want;
723	};	995	};
724		996
725	# all those should be optimised	997	# all those should be optimised
726	sub cf::attachable::detach {	998	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
731	reattach ($obj);	1003	reattach ($obj);
732	} else {	1004	} else {
733	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
734	}	1006	}
		1007	_recalc_want;
735	};	1008	};
736		1009
737	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
739		1012
…		…
754	";	1027	";
755	die if $@;	1028	die if $@;
756	}	1029	}
757		1030
758	our $override;	1031	our $override;
759	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?
760		1033
761	sub override {	1034	sub override {
762	$override = 1;	1035	$override = 1;
763	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
764	}	1037	}
765		1038
766	sub do_invoke {	1039	sub do_invoke {
767	my $event = shift;	1040	my $event = shift;
768	my $callbacks = shift;	1041	my $callbacks = shift;
769		1042
770	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
771		1044
772	local $override;	1045	local $override;
773		1046
774	for (@$callbacks) {	1047	for (@$callbacks) {
775	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
784	}	1057	}
785		1058
786	0	1059	0
787	}	1060	}
788		1061
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1063
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1065
793	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
794		1067
795	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
796	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
797	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1071
799	=back	1072	=back
800		1073
801	=cut	1074	=cut
802		1075
803	#############################################################################	1076	#############################################################################
804	# 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	}
805		1120
806	sub reattach {	1121	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
808	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
809		1127
810	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
811		1129
812	@$registry = ();	1130	@$registry = ();
813		1131
…		…
828	cf::attachable->attach (	1146	cf::attachable->attach (
829	prio => -1000000,	1147	prio => -1000000,
830	on_instantiate => sub {	1148	on_instantiate => sub {
831	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
832		1150
833	$data = from_json $data;	1151	$data = decode_json $data;
834		1152
835	for (@$data) {	1153	for (@$data) {
836	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
837		1155
838	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1172	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
856		1174
857	sync_job {	1175	sync_job {
858	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
861		1180
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$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;
865	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
866	close $fh;	1188	aio_close $fh;
867		1189
868	if (@$objs) {	1190	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	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;
873	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
874	close $fh;	1199	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
876	}	1201	}
877	} else {	1202	} else {
878	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
879	}	1204	}
880		1205
881	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1210	} else {
883	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
884	}	1212	}
885	} else {	1213	} else {
886	aio_unlink $filename;	1214	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
888	}	1216	}
889	}	1217	};
890	}	1218	}
891		1219
892	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
894		1222
…		…
906	or return;	1234	or return;
907		1235
908	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
910	or return;	1238	or return;
		1239
911	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
912	}	1242	}
913		1243
		1244	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
916	return ($data, $av);	1248	($data, $av)
917	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
918		1256
919	#############################################################################	1257	#############################################################################
920	# command handling &c	1258	# command handling &c
921		1259
922	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1274	}
937		1275
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1277
940	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.
941		1283
942	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
943	called.	1285	called.
944		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
945	=cut	1298	=cut
946		1299
947	sub register_extcmd {	1300	sub register_extcmd {
948	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
949		1302
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
954	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
955		1313
956	cf::player->attach (	1314	cf::player->attach (
957	on_command => sub {	1315	on_command => sub {
958	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
959		1317
…		…
967	cf::override;	1325	cf::override;
968	},	1326	},
969	on_extcmd => sub {	1327	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
971		1329
972	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1331
974	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
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
980	} else {	1347	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1349	}
983		1350
984	cf::override;	1351	cf::override;
985	},	1352	},
986	);	1353	);
987		1354
988	sub register {	1355	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1356	sub cache_extensions {
995	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
996		1358
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1362	}
1047	}	1363	};
1048		1364
1049	# remove extcmds	1365	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1366	}
1063		1367
1064	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1065	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1373	next unless -r $path;
1067	eval {	1374
1068	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	}
1069	1	1435	}
1070	} 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	}
1071	}	1446	};
1072	}	1447	}
1073		1448
1074	#############################################################################	1449	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1450
1077	*cf::mapsupport::on_clean = sub {	1451	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1452
1090	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1091		1454
1092	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1093		1456
1094	=cut	1457	=cut
1095		1458
1096	package cf::player;	1459	package cf::player;
1097		1460
…		…
1099		1462
1100	=head3 cf::player	1463	=head3 cf::player
1101		1464
1102	=over 4	1465	=over 4
1103		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
1104	=item cf::player::find $login	1481	=item cf::player::find $login
1105		1482
1106	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1107		1484
1108	=cut	1485	=cut
1109		1486
1110	sub playerdir($) {	1487	sub playerdir($) {
1111	cf::localdir	1488	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1490	}
1117		1491
1118	sub path($) {	1492	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1494
1121	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
1122	}	1496	}
1123		1497
1124	sub find_active($) {	1498	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1129		1503
1130	sub exists($) {	1504	sub exists($) {
1131	my ($login) = @_;	1505	my ($login) = @_;
1132		1506
1133	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1135	}	1509	}
1136		1510
1137	sub find($) {	1511	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1513	my $login = $_[0];
1140		1514
1141	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1142		1516
1143	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
1144	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
1145	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;
1146	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1147	}	1534	}
1148	}	1535	}
1149	}	1536	}
1150		1537
…		…
1159	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1160		1547
1161	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1163		1550
		1551	cf::get_slot 0.01;
		1552
1164	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1165	Coro::cede;	1554	cf::cede_to_tick;
1166	}	1555	}
1167		1556
1168	sub new($) {	1557	sub new($) {
1169	my ($login) = @_;	1558	my ($login) = @_;
1170		1559
…		…
1176	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1177		1566
1178	$self	1567	$self
1179	}	1568	}
1180		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1181	=item $pl->quit_character	1580	=item $pl->quit_character
1182		1581
1183	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1185		1584
1186	=cut	1585	=cut
1187		1586
1188	sub quit_character {	1587	sub quit_character {
1189	my ($pl) = @_;	1588	my ($pl) = @_;
1190		1589
		1590	my $name = $pl->ob->name;
		1591
1191	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1594
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1198		1601
1199	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
1204	IO::AIO::aio_rmtree $temp;	1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
1205	}	1628	}
1206		1629
1207	=item cf::player::list_logins	1630	=item cf::player::list_logins
1208		1631
1209	Returns am arrayref of all valid playernames in the system, can take a	1632	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1211		1634
1212	=cut	1635	=cut
1213		1636
1214	sub list_logins {	1637	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1639	or return [];
1217		1640
1218	my @logins;	1641	my @logins;
1219		1642
1220	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1224		1653
1225	utf8::decode $login;	1654	utf8::decode $login;
1226	push @logins, $login;	1655	push @logins, $login;
1227	}	1656	}
1228		1657
1229	\@logins	1658	\@logins
1230	}	1659	}
1231		1660
1232	=item $player->maps	1661	=item $player->maps
1233		1662
1234	Returns an arrayref of cf::path's of all maps that are private for this	1663	Returns an arrayref of map paths that are private for this
1235	player. May block.	1664	player. May block.
1236		1665
1237	=cut	1666	=cut
1238		1667
1239	sub maps($) {	1668	sub maps($) {
1240	my ($pl) = @_;	1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1672
1242	my $files = aio_readdir playerdir $pl	1673	my $files = aio_readdir playerdir $pl
1243	or return;	1674	or return;
1244		1675
1245	my @paths;	1676	my @paths;
…		…
1247	for (@$files) {	1678	for (@$files) {
1248	utf8::decode $_;	1679	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1680	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1251		1682
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1683	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1684	}
1254		1685
1255	\@paths	1686	\@paths
1256	}	1687	}
1257		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1259		1694
1260	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1261		1696
1262	=cut	1697	=cut
1263		1698
1264	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1266		1701
1267	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1703	}
1271		1704
1272	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1273		1745
1274	=back	1746	=back
1275
1276		1747
1277	=head3 cf::map	1748	=head3 cf::map
1278		1749
1279	=over 4	1750	=over 4
1280		1751
…		…
1283	package cf::map;	1754	package cf::map;
1284		1755
1285	use Fcntl;	1756	use Fcntl;
1286	use Coro::AIO;	1757	use Coro::AIO;
1287		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1288	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1290		1765
1291	sub generate_random_map {	1766	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1770
1294	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1772	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1781	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1308	}	1785	}
1309		1786
1310	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;
1314		1788
1315	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1316	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1317	}	1791	default).
1318		1792
1319	sub try_load_header($) {	1793	=cut
		1794
		1795	sub register {
		1796	my (undef, $regex, $prio) = @_;
		1797	my $pkg = caller;
		1798
		1799	no strict;
		1800	push @{"$pkg\::ISA"}, __PACKAGE__;
		1801
		1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1803	}
		1804
		1805	# also paths starting with '/'
		1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1807
		1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
		1811	# we have to keep some variables in memory intact
		1812	local $self->{path};
		1813	local $self->{load_path};
		1814
		1815	$self->SUPER::thawer_merge ($merge);
		1816	}
		1817
		1818	sub normalise {
1320	my ($path) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
		1824
		1825	# map plan:
		1826	#
		1827	# /! non-realised random map exit (special hack!)
		1828	# {... are special paths that are not being touched
		1829	# ?xxx/... are special absolute paths
		1830	# ?random/... random maps
		1831	# /... normal maps
		1832	# ~user/... per-player map of a specific user
		1833
		1834	$path =~ s/$PATH_SEP/\//go;
		1835
		1836	# treat it as relative path if it starts with
		1837	# something that looks reasonable
		1838	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1839	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1840
		1841	$base =~ s{[^/]+/?$}{};
		1842	$path = "$base/$path";
		1843	}
		1844
		1845	for ($path) {
		1846	redo if s{//}{/};
		1847	redo if s{/\.?/}{/};
		1848	redo if s{/[^/]+/\.\./}{/};
		1849	}
		1850
		1851	$path
		1852	}
		1853
		1854	sub new_from_path {
		1855	my (undef, $path, $base) = @_;
		1856
		1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1858
		1859	$path = normalise $path, $base;
		1860
		1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1863	my $self = bless cf::map::new, $pkg;
		1864	$self->{path} = $path; $self->path ($path);
		1865	$self->init; # pass $1 etc.
		1866	return $self;
		1867	}
		1868	}
		1869
		1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1871	()
		1872	}
		1873
		1874	sub init {
		1875	my ($self) = @_;
		1876
		1877	$self
		1878	}
		1879
		1880	sub as_string {
		1881	my ($self) = @_;
		1882
		1883	"$self->{path}"
		1884	}
		1885
		1886	# the displayed name, this is a one way mapping
		1887	sub visible_name {
		1888	&as_string
		1889	}
		1890
		1891	# the original (read-only) location
		1892	sub load_path {
		1893	my ($self) = @_;
		1894
		1895	"$MAPDIR/$self->{path}.map"
		1896	}
		1897
		1898	# the temporary/swap location
		1899	sub save_path {
		1900	my ($self) = @_;
		1901
		1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1903	"$TMPDIR/$path.map"
		1904	}
		1905
		1906	# the unique path, undef == no special unique path
		1907	sub uniq_path {
		1908	my ($self) = @_;
		1909
		1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1911	"$UNIQUEDIR/$path"
		1912	}
		1913
		1914	sub decay_objects {
		1915	my ($self) = @_;
		1916
		1917	return if $self->{deny_reset};
		1918
		1919	$self->do_decay_objects;
		1920	}
		1921
		1922	sub unlink_save {
		1923	my ($self) = @_;
		1924
		1925	utf8::encode (my $save = $self->save_path);
		1926	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1927	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1928	}
		1929
		1930	sub load_header_from($) {
		1931	my ($self, $path) = @_;
1321		1932
1322	utf8::encode $path;	1933	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1324	or return;	1935	or return;
1325		1936
1326	my $map = cf::map::new	1937	$self->_load_header ($f)
1327	or return;	1938	or return;
1328		1939
1329	# for better error messages only, will be overwritten	1940	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1941	$f->resolve_delayed_derefs;
1331		1942
1332	$map->load_header ($path)	1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1333	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1334		1989
1335	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1336		1992
1337	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1338	}	1997	}
1339		1998
1340	sub find;	1999	sub find;
1341	sub find {	2000	sub find {
1342	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1343		2002
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		2004
1349	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1353		2007
1354	# do it the slow way	2008	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	2010	or return;
1373		2011
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1386		2013
1387	Coro::cede;	2014	$map->load_header
		2015	or return;
1388		2016
1389	if ($map->should_reset) {	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1390	$map->reset;	2022	$map->reset;
1391	undef $guard;
1392	$map = find $path	2023	return find $path;
1393	or return;
1394	}	2024	}
1395		2025
1396	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1397	}	2027	}
1398	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1399		2032
1400	sub load {	2033	sub load {
1401	my ($self) = @_;	2034	my ($self) = @_;
1402		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1403	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1405		2042
		2043	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2045
1408	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1409		2047
1410	$self->alloc;	2048	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1412	or return;	2056	or return;
1413		2057
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1415	if delete $self->{load_original};	2059	if delete $self->{load_original};
1416		2060
1417	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2062	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2065	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1422	}	2069	}
1423	}	2070	}
1424		2071
1425	Coro::cede;	2072	$f->resolve_delayed_derefs;
1426		2073
		2074	cf::cede_to_tick;
1427	# now do the right thing for maps	2075	# now do the right thing for maps
1428	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2078	unless $self->difficulty;
		2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1440	$self->activate;	2086	$self->activate;
1441	}	2087	}
1442		2088
1443	Coro::cede;	2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
1444		2091
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	sub customise_for {
		2099	my ($self, $ob) = @_;
		2100
		2101	return find "~" . $ob->name . "/" . $self->{path}
		2102	if $self->per_player;
		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
		2107	$self
1446	}	2108	}
1447		2109
1448	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2111	sub load_neighbours {
1450	my ($map) = @_;	2112	my ($map) = @_;
1451		2113
1452	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1453		2115
1454	for (0 .. 3) {	2116	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1456	or next;	2118	or next;
1457	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1458	or next;	2120	or next;
1459	$neigh->load;	2121	$neigh->load;
1460		2122
		2123	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2126	}
1464		2127
1465	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1467	or next;	2131	or next;
1468	$neigh->load;	2132	$neigh->load;
1469	}	2133	}
1470	}	2134	}
1471		2135
…		…
1476	}	2140	}
1477		2141
1478	sub do_load_sync {	2142	sub do_load_sync {
1479	my ($map) = @_;	2143	my ($map) = @_;
1480		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1481	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1482	}	2149	}
1483		2150
1484	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
		2152	our $MAP_PREFETCHER = undef;
		2153
		2154	sub find_async {
		2155	my ($path, $origin, $load) = @_;
		2156
		2157	$path = normalise $path, $origin && $origin->{path};
		2158
		2159	if (my $map = $cf::MAP{$path}) {
		2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2161	}
		2162
		2163	$MAP_PREFETCH{$path} |= $load;
		2164
1485	our $MAP_PREFETCHER = Coro::async {	2165	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2166	$Coro::current->{desc} = "map prefetcher";
		2167
1487	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2170	if (my $map = find $k) {
		2171	$map->load if $v;
		2172	}
		2173
1490	my $path = delete $MAP_PREFETCH{$key};	2174	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2175	}
1496	Coro::schedule;	2176	}
		2177	undef $MAP_PREFETCHER;
1497	}	2178	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2179	$MAP_PREFETCHER->prio (6);
1512		2180
1513	()	2181	()
1514	}	2182	}
1515		2183
1516	sub save {	2184	sub save {
1517	my ($self) = @_;	2185	my ($self) = @_;
1518		2186
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2188
1521	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1522		2190
1523	return unless $self->dirty;	2191	return unless $self->dirty;
1524		2192
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2193	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2194	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2195
1528	$self->{load_path} = $save;	2196	$self->{load_path} = $save;
1529		2197
1530	return if $self->{deny_save};	2198	return if $self->{deny_save};
1531		2199
1532	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1533		2201
1534	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1536	};	2205	};
1537		2206
		2207	cf::get_slot 0.02;
		2208
1538	if ($uniq) {	2209	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2212	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2214	}
1544	}	2215	}
1545		2216
1546	sub swap_out {	2217	sub swap_out {
1547	my ($self) = @_;	2218	my ($self) = @_;
1548		2219
1549	# save first because save cedes	2220	# save first because save cedes
1550	$self->save;	2221	$self->save;
1551		2222
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2224
1554	return if $self->players;	2225	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1556	return if $self->{deny_save};	2227	return if $self->{deny_save};
1557		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2233	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2234	}
1561		2235
1562	sub reset_at {	2236	sub reset_at {
1563	my ($self) = @_;	2237	my ($self) = @_;
1564		2238
1565	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1568		2241
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2244
…		…
1576	my ($self) = @_;	2249	my ($self) = @_;
1577		2250
1578	$self->reset_at <= $cf::RUNTIME	2251	$self->reset_at <= $cf::RUNTIME
1579	}	2252	}
1580		2253
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2254	sub reset {
1603	my ($self) = @_;	2255	my ($self) = @_;
1604		2256
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2258
1607	return if $self->players;	2259	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2260
1610	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	# need to save uniques path
		2266	unless ($self->{deny_save}) {
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2270	if $uniq;
		2271	}
1611		2272
1612	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1613		2274
		2275	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2276	$_->clear_links_to ($self) for values %cf::MAP;
		2277	$self->clear;
1615		2278
1616	$self->unlink_save;	2279	$self->unlink_save;
1617	$self->destroy;	2280	$self->destroy;
1618	}	2281	}
1619		2282
1620	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1621		2284
1622	sub nuke {	2285	sub nuke {
1623	my ($self) = @_;	2286	my ($self) = @_;
1624		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
		2291	delete $cf::MAP{$self->path};
		2292
		2293	$self->unlink_save;
		2294
		2295	bless $self, "cf::map";
		2296	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2300
		2301	$cf::MAP{$self->path} = $self;
		2302	}
		2303
1628	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1629	}	2305	}
1630		2306
1631	sub customise_for {	2307	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2308
1634	if ($map->per_player) {	2309	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
1636	}	2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
		2323	}
1637		2324
1638	$map	2325	=item $maps = cf::map::random_maps
		2326
		2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
		2329
		2330	=cut
		2331
		2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
1639	}	2341	}
1640		2342
1641	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1642		2344
1643	Returns an arrayref of cf::path's of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2346	instantiated unique items. May block.
1645		2347
1646	=cut	2348	=cut
1647		2349
1648	sub unique_maps() {	2350	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1650	or return;	2352	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2353	utf8::decode $_;
1656	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2356	? ()
1659	push @paths, new cf::path $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2359	]
1661
1662	\@paths
1663	}	2360	}
1664		2361
1665	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1666		2393
1667	=back	2394	=back
1668		2395
1669	=head3 cf::object	2396	=head3 cf::object
1670		2397
…		…
1674		2401
1675	=over 4	2402	=over 4
1676		2403
1677	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1678		2405
1679	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1680		2408
1681	=cut	2409	=cut
1682		2410
1683	sub inv_recursive_;	2411	sub inv_recursive_;
1684	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1687		2415
1688	sub inv_recursive {	2416	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1690	}	2418	}
1691		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1692	package cf;	2448	package cf;
1693		2449
1694	=back	2450	=back
1695		2451
1696	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1705		2461
1706	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1707		2477
1708	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2479	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1713		2483
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2485
1716	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1718	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1721	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1722	}	2511	}
1723		2512
1724	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1725		2514
1726	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1739		2528
1740	=item $player_object->enter_link	2529	=item $player_object->enter_link
1741		2530
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2532
1744	The player should be reaosnably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
		2537
		2538	Will never block.
1746		2539
1747	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1748		2541
1749	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2545	fails, to the emergency map position.
1753		2546
1754	Might block.	2547	Might block.
1755		2548
1756	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($LINK_MAP) {
		2553	$LINK_MAP = cf::map::find "{link}"
		2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2555	$LINK_MAP->load;
		2556	}
		2557
		2558	$LINK_MAP
		2559	}
1757		2560
1758	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2562	my ($self) = @_;
1760		2563
1761	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1762		2565
1763	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2567
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1767		2570
1768	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2572	}
1770		2573
1771	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1773		2578
1774	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1775		2580
1776	unless ($map) {	2581	unless ($map) {
1777	# restore original map position	2582	# restore original map position
…		…
1788	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1789	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1790		2595
1791	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1794		2599
1795	$map->load;	2600	$map->load;
1796	$map->load_diag;	2601	$map->load_neighbours;
1797		2602
1798	return unless $self->contr->active;	2603	return unless $self->contr->active;
		2604
		2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2606	$self->enter_map ($map, $x, $y);
		2607
		2608	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2609	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}	2610	}
1802		2611
1803	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2613
1807	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1811	};	2618	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2619
1817	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1818	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2622
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1838		2626
1839	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2629
1842	$path = new cf::path $path;	2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2632
1844	$self->enter_link;	2633	$self->enter_link;
1845		2634
1846	(async {	2635	(async {
1847	my $map = cf::map::find $path->as_string;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1849		2662	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1854		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1856	})->prio (1);	2681	})->prio (1);
1857	}	2682	}
1858		2683
1859	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1860		2685
…		…
1862		2687
1863	sub parse_random_map_params {	2688	sub parse_random_map_params {
1864	my ($spec) = @_;	2689	my ($spec) = @_;
1865		2690
1866	my $rmp = { # defaults	2691	my $rmp = { # defaults
1867	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1869	};	2696	};
1870		2697
1871	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1873		2700
…		…
1885	# that depends on the exit object	2712	# that depends on the exit object
1886		2713
1887	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1888		2715
1889	if ($exit->map) {	2716	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1894	}	2723	}
1895		2724
1896	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1897		2726
1898	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1900		2730
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1903		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1906	}	2742	}
1907	}	2743	}
1908		2744
1909	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1913		2749
1914	$self->enter_link;	2750	$self->enter_link;
1915		2751
1916	(async {	2752	(async {
1917	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1918	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1919	prepare_random_map $exit	2762	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1921		2765
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1924		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1925	1;	2776	1
1926	}) {	2777	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2782
1932	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2784	$self->leave_link;
1934	}	2785	}
1935	})->prio (1);	2786	})->prio (1);
…		…
1948		2799
1949	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1951		2802
1952	utf8::encode $text;	2803	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2805	}
1955		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1956		3028
1957	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1958		3030
1959	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		3034
1963	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	3036	become reliable at some point in the future.
1965		3037
1966	=cut	3038	=cut
1967		3039
1968	sub cf::client::query {	3040	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3049	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3051
1980	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
1982	}	3056	}
1983		3057
1984	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
1985	on_reply => sub {	3064	on_reply => sub {
1986	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
1987		3066
1988	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
1989	# get handled first	3068	# get handled first
1990	my $queue = delete $ns->{query_queue}	3069	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3070	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3071
1993	(shift @$queue)->[1]->($msg);	3072	(shift @$queue)->[1]->($msg);
		3073	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3074
1995	push @{ $ns->{query_queue} }, @$queue;	3075	push @{ $ns->{query_queue} }, @$queue;
1996		3076
1997	if (@{ $ns->{query_queue} } == @$queue) {	3077	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3078	if (@$queue) {
…		…
2000	} else {	3080	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3082	}
2003	}	3083	}
2004	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
2005	);	3111	);
2006		3112
2007	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2008		3114
2009	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2052		3158
2053	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2054		3160
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2056		3166
2057	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2058		3168
2059	=pod	3169	=pod
2060		3170
2061	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2062		3172
2063	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2064	cf::object::player player	3178	cf::object::player
2065	cf::player peaceful	3179	player
2066	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2067		3186
2068	=cut	3187	=cut
2069		3188
2070	for (	3189	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2075	) {	3196	) {
2076	no strict 'refs';	3197	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2096		3217
2097	my $qcode = $code;	3218	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2100		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2101	local $_;	3225	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;
2103		3226
2104	my $eval =	3227	my $eval =
2105	"do {\n"	3228	"do {\n"
2106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2108	. $code	3231	. $code
2109	. "\n}"	3232	. "\n}"
2110	;	3233	;
2111		3234
		3235	if ($CFG{safe_eval}) {
2112	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2115		3244
2116	if ($@) {	3245	if ($@) {
2117	warn "$@";	3246	warn "$@";
2118	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2119	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2138	=cut	3267	=cut
2139		3268
2140	sub register_script_function {	3269	sub register_script_function {
2141	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2142		3271
2143	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2145	}	3274	}
2146		3275
2147	=back	3276	=back
2148		3277
2149	=cut	3278	=cut
2150		3279
2151	#############################################################################	3280	#############################################################################
		3281	# the server's init and main functions
2152		3282
2153	=head2 EXTENSION DATABASE SUPPORT	3283	sub load_facedata($) {
		3284	my ($path) = @_;
2154		3285
2155	Crossfire maintains a very simple database for extension use. It can	3286	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3287	# for this (global event?)
2157	excludes objects.	3288	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3289
2159	The parameter C<$family> should best start with the name of the extension	3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3291
2162	=over 4	3292	warn "loading facedata from $path\n";
2163		3293
2164	=item $hashref = cf::db_get $family	3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
2165		3297
2166	Return a hashref for use by the extension C<$family>, which can be	3298	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3299
2170	=item $value = cf::db_get $family => $key	3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3302
2172	Returns a single value from the database	3303	# patch in the exptable
2173		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174	=item cf::db_put $family => $hashref	3305	$facedata->{resource}{"res/exp_table"} = {
2175		3306	type => FT_RSRC,
2176	Stores the given family hashref into the database. Updates are delayed, if	3307	data => $exp_table,
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3308	hash => (Digest::MD5::md5 $exp_table),
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3309	};
		3310	cf::cede_to_tick;
2225		3311
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3312	{
		3313	my $faces = $facedata->{faceinfo};
2230		3314
2231	sub db_get($;$) {	3315	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3317
2237	sub db_put($$;$) {	3318	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3319	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240	} else {	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3322
2246	cf::global->attach (	3323	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3324	}
2251	);
2252	}
2253		3325
2254	#############################################################################	3326	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3327	next unless $info->{smooth};
2256		3328
2257	sub cfg_load {	3329	my $idx = cf::face::find $face
		3330	or next;
		3331
		3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3335	} else {
		3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3337	}
		3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
		3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
		3373	1
		3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
		3443	sub reload_resources {
		3444	warn "reloading resource files...\n";
		3445
		3446	reload_facedata;
		3447	reload_archetypes;
		3448	reload_regions;
		3449	reload_treasures;
		3450
		3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3458	or return;
2260		3459
2261	local $/;	3460	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2263		3462
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3464
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3472	};
2274	warn $@ if $@;	3473	warn $@ if $@;
2275	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2276	}	3505	}
2277		3506
2278	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2279	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3525	(async {
		3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
		3528	})->prio (Coro::PRIO_MAX);
2283	};	3529	};
2284		3530
2285	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
		3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2287	load_extensions;	3550	load_extensions;
2288	Event::loop;	3551
		3552	utime time, time, $RUNTIMEFILE;
		3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2289	}	3562	}
2290		3563
2291	#############################################################################	3564	#############################################################################
2292	# initialisation and cleanup	3565	# initialisation and cleanup
2293		3566
2294	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2295	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2302	},
2303	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	my $t0 = EV::time;
		3579
		3580	# first touch the runtime file to show we are still running:
		3581	# the fsync below can take a very very long time.
		3582
		3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3584
		3585	my $guard = cf::lock_acquire "write_runtime";
		3586
		3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3588	or return;
		3589
		3590	my $value = $cf::RUNTIME + 90 + 10;
		3591	# 10 is the runtime save interval, for a monotonic clock
		3592	# 60 allows for the watchdog to kill the server.
		3593
		3594	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3595	and return;
		3596
		3597	# always fsync - this file is important
		3598	aio_fsync $fh
		3599	and return;
		3600
		3601	# touch it again to show we are up-to-date
		3602	aio_utime $fh, undef, undef;
		3603
		3604	close $fh
		3605	or return;
		3606
		3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3608	and return;
		3609
		3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3611
2304	}	3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
2305	}	3663	}
2306		3664
2307	sub emergency_save() {	3665	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2309		3667
2310	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2311		3669
2312	cf::sync_job {	3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
2313	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3684	$pl->save;
2321	}	3685	}
2322	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2323		3687
2324	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3691	$map->valid or next;
2328	$map->save;	3692	$map->save;
2329	}	3693	}
2330	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
		3695
		3696	warn "emergency_perl_save: begin database checkpoint\n";
		3697	BDB::db_env_txn_checkpoint $DB_ENV;
		3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
2331	};	3703	};
2332		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
2333	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2334	}	3711	}
2335		3712
		3713	sub post_cleanup {
		3714	my ($make_core) = @_;
		3715
		3716	warn Carp::longmess "post_cleanup backtrace"
		3717	if $make_core;
		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
		3747	}
		3748
2336	sub reload() {	3749	sub do_reload_perl() {
2337	# can/must only be called in main	3750	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3752	warn "can only reload from main coroutine";
2340	return;	3753	return;
2341	}	3754	}
2342		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2343	warn "reloading...";	3761	warn "reloading...";
2344		3762
2345	my $guard = freeze_mainloop;	3763	warn "entering sync_job";
		3764
		3765	cf::sync_job {
		3766	cf::write_runtime_sync; # external watchdog should not bark
2346	cf::emergency_save;	3767	cf::emergency_save;
		3768	cf::write_runtime_sync; # external watchdog should not bark
2347		3769
2348	eval {	3770	warn "syncing database to disk";
		3771	BDB::db_env_txn_checkpoint $DB_ENV;
		3772
2349	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2350		3774
2351	# cancel all watchers	3775	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();
2359
2360	# unload all extensions
2361	for (@exts) {
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365
2366	# unload all modules loaded from $LIBDIR
2367	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370	warn "removing <$k>";
2371	delete $INC{$k};
2372
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {
2377	$cb->();
2378	}	3778	}
2379		3779
2380	Symbol::delete_package $k;	3780	warn "cancelling all extension coros";
		3781	$_->cancel for values %EXT_CORO;
		3782	%EXT_CORO = ();
		3783
		3784	warn "removing commands";
		3785	%COMMAND = ();
		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
		3793	warn "... unloading $pkg";
		3794
		3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
		3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2381	}	3804	}
2382		3805
2383	# sync database to disk	3806	warn "unloading all perl modules loaded from $LIBDIR";
2384	cf::db_sync;	3807	while (my ($k, $v) = each %INC) {
2385	IO::AIO::flush;	3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
		3821	}
		3822
2387	# get rid of safe::, as good as possible	3823	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3826
2391	# remove register_script_function callbacks	3827	warn "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3830
2397	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3832	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2400		3834
2401	# reload cf.pm	3835	warn "unload completed, starting to reload now";
		3836
2402	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2403	require cf;	3838	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2405		3840
2406	# load config and database again	3841	warn "loading config and database again";
2407	cf::cfg_load;	3842	cf::reload_config;
2408	cf::db_load;
2409		3843
2410	# load extensions
2411	warn "load extensions";	3844	warn "loading extensions";
2412	cf::load_extensions;	3845	cf::load_extensions;
2413		3846
2414	# reattach attachments to objects	3847	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3848	warn "reattaching attachments to objects/players";
2416	_global_reattach;	3849	_global_reattach; # objects, sockets
		3850	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
		3852	warn "reattaching attachments to players";
		3853	reattach $_ for values %PLAYER;
		3854	}
		3855
		3856	warn "running post_init jobs";
		3857	(pop @POST_INIT)->(1) while @POST_INIT;
		3858
		3859	warn "leaving sync_job";
		3860
		3861	1
		3862	} or do {
		3863	warn $@;
		3864	cf::cleanup "error while reloading, exiting.";
		3865	};
		3866
		3867	warn "reloaded";
		3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
		3873	};
		3874
		3875	our $RELOAD_WATCHER; # used only during reload
		3876
		3877	sub reload_perl() {
		3878	# doing reload synchronously and two reloads happen back-to-back,
		3879	# coro crashes during coro_state_free->destroy here.
		3880
		3881	$RELOAD_WATCHER ||= cf::async {
		3882	Coro::AIO::aio_wait cache_extensions;
		3883
		3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3885	do_reload_perl;
		3886	undef $RELOAD_WATCHER;
		3887	};
2418	};	3888	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3889	}
2471
2472	register "<global>", __PACKAGE__;
2473		3890
2474	register_command "reload" => sub {	3891	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2476		3893
2477	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3895	$who->message ("reloading server.");
		3896	async {
		3897	$Coro::current->{desc} = "perl_reload";
		3898	reload_perl;
		3899	};
2481	}	3900	}
2482	};	3901	};
2483		3902
2484	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2485		3904
2486	$TICK_WATCHER = Event->timer (	3905	my $bug_warning = 0;
2487	reentrant => 0,	3906
2488	prio => 0,	3907	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3908	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3909
2491	cb => sub {	3910	sub wait_for_tick {
		3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3912
		3913	my $signal = new Coro::Signal;
		3914	push @WAIT_FOR_TICK, $signal;
		3915	$signal->wait;
		3916	}
		3917
		3918	sub wait_for_tick_begin {
		3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3920
		3921	my $signal = new Coro::Signal;
		3922	push @WAIT_FOR_TICK_BEGIN, $signal;
		3923	$signal->wait;
		3924	}
		3925
		3926	sub tick {
		3927	if ($Coro::current != $Coro::main) {
		3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3929	unless ++$bug_warning > 10;
		3930	return;
		3931	}
		3932
2492	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		3934
2496	$WAIT_FOR_TICK->broadcast;	3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498		3936
2499	# if we are delayed by four ticks or more, skip them all	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		3939	Coro::async_pool {
2502	$TICK_WATCHER->at ($NEXT_TICK);	3940	$Coro::current->{desc} = "runtime saver";
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3941	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3943	};
2526	},	3944	}
2527	);	3945
		3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3947	$sig->send;
		3948	}
		3949	while (my $sig = shift @WAIT_FOR_TICK) {
		3950	$sig->send;
		3951	}
		3952
		3953	$LOAD = ($NOW - $TICK_START) / $TICK;
		3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3955
		3956	if (0) {
		3957	if ($NEXT_TICK) {
		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
		3962	}
		3963	}
		3964
		3965	{
		3966	# configure BDB
		3967
		3968	BDB::min_parallel 16;
		3969	BDB::max_poll_reqs $TICK * 0.1;
		3970	$AnyEvent::BDB::WATCHER->priority (1);
		3971
		3972	unless ($DB_ENV) {
		3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3979
		3980	cf::sync_job {
		3981	eval {
		3982	BDB::db_env_open
		3983	$DB_ENV,
		3984	$BDBDIR,
		3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3987	0666;
		3988
		3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3990	};
		3991
		3992	cf::cleanup "db_env_open(db): $@" if $@;
		3993	};
		3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
		4005	}
		4006
		4007	{
		4008	# configure IO::AIO
		4009
		4010	IO::AIO::min_parallel 8;
		4011	IO::AIO::max_poll_time $TICK * 0.1;
		4012	undef $AnyEvent::AIO::WATCHER;
		4013	}
		4014
		4015	my $_log_backtrace;
		4016
		4017	sub _log_backtrace {
		4018	my ($msg, @addr) = @_;
		4019
		4020	$msg =~ s/\n//;
		4021
		4022	# limit the # of concurrent backtraces
		4023	if ($_log_backtrace < 2) {
		4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
		4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
		4029	my @bt = fork_call {
		4030	@addr = map { sprintf "%x", $_ } @addr;
		4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4033	or die "addr2line: $!";
		4034
		4035	my @funcs;
		4036	my @res = <$fh>;
		4037	chomp for @res;
		4038	while (@res) {
		4039	my ($func, $line) = splice @res, 0, 2, ();
		4040	push @funcs, "[$func] $line";
		4041	}
		4042
		4043	@funcs
		4044	};
		4045
		4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4048	LOG llevInfo, "[ABT] $_\n" for @bt;
		4049	--$_log_backtrace;
		4050	};
		4051	} else {
		4052	LOG llevInfo, "[ABT] $msg\n";
		4053	LOG llevInfo, "[ABT] [suppressed]\n";
		4054	}
		4055	}
		4056
		4057	# load additional modules
		4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
2528		4060
2529	END { cf::emergency_save }	4061	END { cf::emergency_save }
2530		4062
2531	1	4063	1
2532		4064

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