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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 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;
28		66
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		71
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	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" };
33		80
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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";	134
57	our %EXT_CORO; # coroutines bound to extensions	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $REALLY_UNLOOP; # never set to true, please :)
58		147
59	binmode STDOUT;	148	binmode STDOUT;
60	binmode STDERR;	149	binmode STDERR;
61		150
62	# read virtual server time, if available	151	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
67	}	156	}
68		157
69	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		159
75	# a special map that is always available	160	mkdir $_
76	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
77	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::"} };
78		177
79	#############################################################################	178	#############################################################################
80		179
81	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
82		181
…		…
89	=item $cf::RUNTIME	188	=item $cf::RUNTIME
90		189
91	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
92	every server tick.	191	every server tick.
93		192
94	=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
95		196
96	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		201
99	=item $cf::NOW	202	=item $cf::NOW
100		203
101	The time of the last (current) server tick.	204	The time of the last (current) server tick.
102		205
103	=item $cf::TICK	206	=item $cf::TICK
104		207
105	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	220	=item %cf::CFG
108		221
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	223	from wherever your confdir points to.
111		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
		242
112	=back	243	=back
113		244
114	=cut	245	=cut
115		246
116	BEGIN {	247	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	248	my $msg = join "", @_;
119	utf8::encode $msg;
120		249
121	$msg .= "\n"	250	$msg .= "\n"
122	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
123		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
124	LOG llevError, $msg;	255	LOG llevError, $msg;
125	};	256	};
126	}	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	};
127		271
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		279
135	# 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
136	# within the Safe compartment.	281	# within the Safe compartment.
137	for my $pkg (qw(	282	for my $pkg (qw(
138	cf::global cf::attachable	283	cf::global cf::attachable
139	cf::object cf::object::player	284	cf::object cf::object::player
140	cf::client cf::player	285	cf::client cf::player
141	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
142	cf::map cf::party cf::region	288	cf::party cf::region
143	)) {	289	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	291	}
147		292
148	$Event::DIED = sub {	293	$EV::DIED = sub {
149	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
150	};	295	};
151		296
152	my %ext_pkg;	297	#############################################################################
153	my @exts;
154	my @hook;
155		298
156	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
157		300
158	=over 4	301	=over 4
159		302
…		…
178	$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;
179	$d	322	$d
180	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
181	}	324	}
182		325
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
186		327
187	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
188		329
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
197		331
198	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
199		333
200	=cut	334	=cut
201		335
202	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
204	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;
205	}	353	}
206		354
207	=item cf::lock_wait $string	355	=item cf::lock_wait $string
208		356
209	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
210		358
211	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
212		360
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
216	returned.	364	returned.
217		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
218	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
219	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
220		371
221	=cut	372	=item $locked = cf::lock_active $string
222		373
223	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
224		379
225	sub lock_wait($) {	380	sub lock_wait($) {
226	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	382	}
234		383
235	sub lock_acquire($) {	384	sub lock_acquire($) {
236	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
237		387
238	# wait, to be sure we are not locked	388	sub lock_active($) {
239	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	390	}
248		391
249	sub freeze_mainloop {	392	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
251		394
252	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	396	}
254	$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	$sig->wait;
255	}	478	}
256		479
257	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
258		481
259	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		487
265	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
266		489
267	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
268		491
269	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
272		496
273	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
276	fast or be very important.	500	fast or be very important.
…		…
279		503
280	sub sync_job(&) {	504	sub sync_job(&) {
281	my ($job) = @_;	505	my ($job) = @_;
282		506
283	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
284	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
286		512
287	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	514
289	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
290		516
291	my $busy = 1;	517	my $busy = 1;
292	my @res;	518	my @res;
293		519
294	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	522	@res = eval { $job->() };
296	warn $@ if $@;	523	warn $@ if $@;
297	undef $busy;	524	undef $busy;
298	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
299		526
300	while ($busy) {	527	while ($busy) {
301	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
302	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
303		538
304	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
305	} else {	540	} else {
306	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
307		542
…		…
309	}	544	}
310	}	545	}
311		546
312	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
313		548
314	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	550	extension calling this is being unloaded.
316		551
317	=cut	552	=cut
318		553
319	sub async_ext(&) {	554	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
328		563
329	$coro	564	$coro
330	}	565	}
331		566
332	sub write_runtime {	567	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		568
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
336	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.
337		573
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		575
342	aio_fsync $fh	576	sub fork_call(&@) {
343	and return;	577	my ($cb, @args) = @_;
344		578
345	close $fh	579	# we seemingly have to make a local copy of the whole thing,
346	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
347		582
348	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
349	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
350		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
351	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 });
352	}	754	}
353		755
354	=back	756	=back
355		757
356	=cut	758	=cut
357		759
358	#############################################################################	760	#############################################################################
359		761
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
483		763
484	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
485	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")
486	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
487		767
488	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>
489	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
490	crossfire+).	770	Deliantra).
491		771
492	=over 4	772	=over 4
493		773
494	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
495		775
…		…
539	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
540		820
541	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
543		823
544	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
545	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.
546		826
547	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
548		828
549	=over 4	829	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	890	our @CB_MAP = ();
611		891
612	my %attachment;	892	my %attachment;
613		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
614	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
616		902
617	use sort 'stable';	903	use sort 'stable';
618		904
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
653		939
654	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		944
659	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	946	my $pkg = shift @arg;
661		947
662	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
692	}	978	}
693		979
694	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
695	} else {	981	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	983	}
698		984
699	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
700	}	986	}
701		987
…		…
703	if (ref $_[0]) {	989	if (ref $_[0]) {
704	_object_attach @_;	990	_object_attach @_;
705	} else {	991	} else {
706	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
707	}	993	}
		994	_recalc_want;
708	};	995	};
709		996
710	# all those should be optimised	997	# all those should be optimised
711	sub cf::attachable::detach {	998	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
716	reattach ($obj);	1003	reattach ($obj);
717	} else {	1004	} else {
718	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
719	}	1006	}
		1007	_recalc_want;
720	};	1008	};
721		1009
722	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
724		1012
…		…
739	";	1027	";
740	die if $@;	1028	die if $@;
741	}	1029	}
742		1030
743	our $override;	1031	our $override;
744	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?
745		1033
746	sub override {	1034	sub override {
747	$override = 1;	1035	$override = 1;
748	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
749	}	1037	}
750		1038
751	sub do_invoke {	1039	sub do_invoke {
752	my $event = shift;	1040	my $event = shift;
753	my $callbacks = shift;	1041	my $callbacks = shift;
754		1042
755	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
756		1044
757	local $override;	1045	local $override;
758		1046
759	for (@$callbacks) {	1047	for (@$callbacks) {
760	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
769	}	1057	}
770		1058
771	0	1059	0
772	}	1060	}
773		1061
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1063
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1065
778	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
779		1067
780	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
781	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
782	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1071
784	=back	1072	=back
785		1073
786	=cut	1074	=cut
787		1075
788	#############################################################################	1076	#############################################################################
789	# 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	}
790		1120
791	sub reattach {	1121	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
793	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
794		1127
795	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
796		1129
797	@$registry = ();	1130	@$registry = ();
798		1131
…		…
813	cf::attachable->attach (	1146	cf::attachable->attach (
814	prio => -1000000,	1147	prio => -1000000,
815	on_instantiate => sub {	1148	on_instantiate => sub {
816	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
817		1150
818	$data = from_json $data;	1151	$data = decode_json $data;
819		1152
820	for (@$data) {	1153	for (@$data) {
821	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
822		1155
823	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1172	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
841		1174
842	sync_job {	1175	sync_job {
843	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
846		1180
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$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;
850	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
851	close $fh;	1188	aio_close $fh;
852		1189
853	if (@$objs) {	1190	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	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;
858	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
859	close $fh;	1199	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
861	}	1201	}
862	} else {	1202	} else {
863	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
864	}	1204	}
865		1205
866	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1210	} else {
868	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
869	}	1212	}
870	} else {	1213	} else {
871	aio_unlink $filename;	1214	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
873	}	1216	}
874	}	1217	};
875	}	1218	}
876		1219
877	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
879		1222
…		…
891	or return;	1234	or return;
892		1235
893	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
895	or return;	1238	or return;
		1239
896	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
897	}	1242	}
898		1243
		1244	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
901	return ($data, $av);	1248	($data, $av)
902	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
903		1256
904	#############################################################################	1257	#############################################################################
905	# command handling &c	1258	# command handling &c
906		1259
907	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1274	}
922		1275
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1277
925	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.
926		1283
927	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
928	called.	1285	called.
929		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
930	=cut	1298	=cut
931		1299
932	sub register_extcmd {	1300	sub register_extcmd {
933	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
934		1302
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
939	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
940		1313
941	cf::player->attach (	1314	cf::player->attach (
942	on_command => sub {	1315	on_command => sub {
943	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
944		1317
…		…
952	cf::override;	1325	cf::override;
953	},	1326	},
954	on_extcmd => sub {	1327	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
956		1329
957	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1331
959	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
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
965	} else {	1347	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1349	}
968		1350
969	cf::override;	1351	cf::override;
970	},	1352	},
971	);	1353	);
972		1354
973	sub register {	1355	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1356	sub cache_extensions {
980	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
981		1358
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1362	}
1032	}	1363	};
1033		1364
1034	# remove extcmds	1365	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1366	}
1048		1367
1049	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1050	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1373	next unless -r $path;
1052	eval {	1374
1053	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	}
1054	1	1435	}
1055	} 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	}
1056	}	1446	};
1057	}	1447	}
1058		1448
1059	#############################################################################	1449	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1450
1062	*cf::mapsupport::on_clean = sub {	1451	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1452
1097	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1098		1454
1099	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1100		1456
1101	=cut	1457	=cut
1102		1458
1103	package cf::player;	1459	package cf::player;
1104		1460
…		…
1106		1462
1107	=head3 cf::player	1463	=head3 cf::player
1108		1464
1109	=over 4	1465	=over 4
1110		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
1111	=item cf::player::find $login	1481	=item cf::player::find $login
1112		1482
1113	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1114		1484
1115	=cut	1485	=cut
1116		1486
1117	sub playerdir($) {	1487	sub playerdir($) {
1118	cf::localdir	1488	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1490	}
1124		1491
1125	sub path($) {	1492	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1494
1128	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
1129	}	1496	}
1130		1497
1131	sub find_active($) {	1498	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1136		1503
1137	sub exists($) {	1504	sub exists($) {
1138	my ($login) = @_;	1505	my ($login) = @_;
1139		1506
1140	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1142	}	1509	}
1143		1510
1144	sub find($) {	1511	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1513	my $login = $_[0];
1147		1514
1148	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1149		1516
1150	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
1151	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
1152	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;
1153	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1154	}	1534	}
1155	}	1535	}
1156	}	1536	}
1157		1537
…		…
1166	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1167		1547
1168	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1170		1550
		1551	cf::get_slot 0.01;
		1552
1171	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1172	Coro::cede;	1554	cf::cede_to_tick;
1173	}	1555	}
1174		1556
1175	sub new($) {	1557	sub new($) {
1176	my ($login) = @_;	1558	my ($login) = @_;
1177		1559
…		…
1183	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1184		1566
1185	$self	1567	$self
1186	}	1568	}
1187		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
1188	=item $pl->quit_character	1580	=item $pl->quit_character
1189		1581
1190	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
1191	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1192		1584
1193	=cut	1585	=cut
1194		1586
1195	sub quit_character {	1587	sub quit_character {
1196	my ($pl) = @_;	1588	my ($pl) = @_;
1197		1589
		1590	my $name = $pl->ob->name;
		1591
1198	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1199	$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
1200		1594
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1205		1601
1206	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1628	}
1213		1629
1214	=item cf::player::list_logins	1630	=item cf::player::list_logins
1215		1631
1216	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
1217	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1218		1634
1219	=cut	1635	=cut
1220		1636
1221	sub list_logins {	1637	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1639	or return [];
1224		1640
1225	my @logins;	1641	my @logins;
1226		1642
1227	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") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1231		1653
1232	utf8::decode $login;	1654	utf8::decode $login;
1233	push @logins, $login;	1655	push @logins, $login;
1234	}	1656	}
1235		1657
1236	\@logins	1658	\@logins
1237	}	1659	}
1238		1660
1239	=item $player->maps	1661	=item $player->maps
1240		1662
1241	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
1242	player. May block.	1664	player. May block.
1243		1665
1244	=cut	1666	=cut
1245		1667
1246	sub maps($) {	1668	sub maps($) {
1247	my ($pl) = @_;	1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1672
1249	my $files = aio_readdir playerdir $pl	1673	my $files = aio_readdir playerdir $pl
1250	or return;	1674	or return;
1251		1675
1252	my @paths;	1676	my @paths;
1253		1677
1254	for (@$files) {	1678	for (@$files) {
1255	utf8::decode $_;	1679	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1680	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1681	next unless /^$PATH_SEP/o;
1258		1682
1259	s/$PATH_SEP/\//g;	1683	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1684	}
1262		1685
1263	\@paths	1686	\@paths
1264	}	1687	}
1265		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1267		1694
1268	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1269		1696
1270	=cut	1697	=cut
1271		1698
1272	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1274		1701
1275	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1703	}
1279		1704
1280	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		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	}
1281		1745
1282	=back	1746	=back
1283
1284		1747
1285	=head3 cf::map	1748	=head3 cf::map
1286		1749
1287	=over 4	1750	=over 4
1288		1751
…		…
1291	package cf::map;	1754	package cf::map;
1292		1755
1293	use Fcntl;	1756	use Fcntl;
1294	use Coro::AIO;	1757	use Coro::AIO;
1295		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1296	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1298		1765
1299	sub generate_random_map {	1766	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1770
1302	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1772	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1316	}	1785	}
1317		1786
1318	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1788
1323	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1791	default).
1326		1792
1327	sub try_load_header($) {	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 {
1328	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) = @_;
1329		1932
1330	utf8::encode $path;	1933	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1332	or return;	1935	or return;
1333		1936
1334	my $map = cf::map::new	1937	$self->_load_header ($f)
1335	or return;	1938	or return;
1336		1939
1337	# for better error messages only, will be overwritten	1940	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1941	$f->resolve_delayed_derefs;
1339		1942
1340	$map->load_header ($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
1341	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1342		1989
1343	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1344		1992
1345	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1346	}	1997	}
1347		1998
1348	sub find;	1999	sub find;
1349	sub find {	2000	sub find {
1350	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1351		2002
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		2004
1357	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1361		2007
1362	# do it the slow way	2008	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	2010	or return;
1381		2011
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1394		2013
1395	Coro::cede;	2014	$map->load_header
		2015	or return;
1396		2016
1397	if ($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;
1398	$map->reset;	2022	$map->reset;
1399	undef $guard;
1400	$map = find $path	2023	return find $path;
1401	or return;
1402	}	2024	}
1403		2025
1404	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1405	}	2027	}
1406	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1407		2032
1408	sub load {	2033	sub load {
1409	my ($self) = @_;	2034	my ($self) = @_;
1410		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1411	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1413		2042
		2043	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2045
1416	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1417		2047
1418	$self->alloc;	2048	$self->alloc;
1419	$self->load_objects ($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)
1420	or return;	2056	or return;
1421		2057
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1423	if delete $self->{load_original};	2059	if delete $self->{load_original};
1424		2060
1425	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2062	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2065	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1430	}	2069	}
1431	}	2070	}
1432		2071
1433	Coro::cede;	2072	$f->resolve_delayed_derefs;
1434		2073
		2074	cf::cede_to_tick;
1435	# now do the right thing for maps	2075	# now do the right thing for maps
1436	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1447	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;
1448	$self->activate;	2086	$self->activate;
1449	}	2087	}
1450		2088
1451	Coro::cede;	2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
1452		2091
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
		2101	sub customise_for {
		2102	my ($self, $ob) = @_;
		2103
		2104	return find "~" . $ob->name . "/" . $self->{path}
		2105	if $self->per_player;
		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
		2110	$self
		2111	}
		2112
		2113	# find and load all maps in the 3x3 area around a map
		2114	sub load_neighbours {
		2115	my ($map) = @_;
		2116
		2117	my @neigh; # diagonal neighbours
		2118
		2119	for (0 .. 3) {
		2120	my $neigh = $map->tile_path ($_)
		2121	or next;
		2122	$neigh = find $neigh, $map
		2123	or next;
		2124	$neigh->load;
		2125
		2126	push @neigh,
		2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2129	}
		2130
		2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
		2133	my $neigh = find $path, $origin
		2134	or next;
		2135	$neigh->load;
		2136	}
1454	}	2137	}
1455		2138
1456	sub find_sync {	2139	sub find_sync {
1457	my ($path, $origin) = @_;	2140	my ($path, $origin) = @_;
1458		2141
1459	cf::sync_job { cf::map::find $path, $origin }	2142	cf::sync_job { find $path, $origin }
1460	}	2143	}
1461		2144
1462	sub do_load_sync {	2145	sub do_load_sync {
1463	my ($map) = @_;	2146	my ($map) = @_;
1464		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1465	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
		2152	}
		2153
		2154	our %MAP_PREFETCH;
		2155	our $MAP_PREFETCHER = undef;
		2156
		2157	sub find_async {
		2158	my ($path, $origin, $load) = @_;
		2159
		2160	$path = normalise $path, $origin && $origin->{path};
		2161
		2162	if (my $map = $cf::MAP{$path}) {
		2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2164	}
		2165
		2166	$MAP_PREFETCH{$path} |= $load;
		2167
		2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
		2171	while (%MAP_PREFETCH) {
		2172	while (my ($k, $v) = each %MAP_PREFETCH) {
		2173	if (my $map = find $k) {
		2174	$map->load if $v;
		2175	}
		2176
		2177	delete $MAP_PREFETCH{$k};
		2178	}
		2179	}
		2180	undef $MAP_PREFETCHER;
		2181	};
		2182	$MAP_PREFETCHER->prio (6);
		2183
		2184	()
1466	}	2185	}
1467		2186
1468	sub save {	2187	sub save {
1469	my ($self) = @_;	2188	my ($self) = @_;
1470		2189
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2191
1473	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1474		2193
1475	return unless $self->dirty;	2194	return unless $self->dirty;
1476		2195
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2196	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2197	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2198
1480	$self->{load_path} = $save;	2199	$self->{load_path} = $save;
1481		2200
1482	return if $self->{deny_save};	2201	return if $self->{deny_save};
1483		2202
1484	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1485		2204
1486	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1487	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1488	};	2208	};
1489		2209
		2210	cf::get_slot 0.02;
		2211
1490	if ($uniq) {	2212	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2215	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2216	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2217	}
1496	}	2218	}
1497		2219
1498	sub swap_out {	2220	sub swap_out {
1499	my ($self) = @_;	2221	my ($self) = @_;
1500		2222
1501	# save first because save cedes	2223	# save first because save cedes
1502	$self->save;	2224	$self->save;
1503		2225
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2227
1506	return if $self->players;	2228	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1508	return if $self->{deny_save};	2230	return if $self->{deny_save};
1509		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2236	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2237	}
1513		2238
1514	sub reset_at {	2239	sub reset_at {
1515	my ($self) = @_;	2240	my ($self) = @_;
1516		2241
1517	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1520		2244
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2247
…		…
1528	my ($self) = @_;	2252	my ($self) = @_;
1529		2253
1530	$self->reset_at <= $cf::RUNTIME	2254	$self->reset_at <= $cf::RUNTIME
1531	}	2255	}
1532		2256
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2257	sub reset {
1555	my ($self) = @_;	2258	my ($self) = @_;
1556		2259
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2261
1559	return if $self->players;	2262	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2263
1562	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	# need to save uniques path
		2269	unless ($self->{deny_save}) {
		2270	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2271
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2273	if $uniq;
		2274	}
1563		2275
1564	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1565		2277
		2278	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->clear;
1567		2281
1568	$self->unlink_save;	2282	$self->unlink_save;
1569	$self->destroy;	2283	$self->destroy;
1570	}	2284	}
1571		2285
1572	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1573		2287
1574	sub nuke {	2288	sub nuke {
1575	my ($self) = @_;	2289	my ($self) = @_;
1576		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
		2294	delete $cf::MAP{$self->path};
		2295
		2296	$self->unlink_save;
		2297
		2298	bless $self, "cf::map";
		2299	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2303
		2304	$cf::MAP{$self->path} = $self;
		2305	}
		2306
1580	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
1581	}	2308	}
1582		2309
1583	sub customise_for {	2310	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2311
1586	if ($map->per_player) {	2312	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
1588	}	2318	[
1589		2319	map {
1590	$map	2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
1591	}	2326	}
1592		2327
1593	sub emergency_save {	2328	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2329
1596	warn "enter emergency perl save\n";	2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
1597		2332
1598	cf::sync_job {	2333	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2334
1603	warn "begin emergency map save\n";	2335	sub random_maps() {
1604	$_->save for values %cf::MAP;	2336	[
1605	warn "end emergency map save\n";	2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::unique_maps
		2347
		2348	Returns an arrayref of paths of all shared maps that have
		2349	instantiated unique items. May block.
		2350
		2351	=cut
		2352
		2353	sub unique_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
		2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
1606	};	2392	}
1607		2393
1608	warn "leave emergency perl save\n";	2394	\@maps
		2395	}
		2396
		2397	=back
		2398
		2399	=head3 cf::object
		2400
		2401	=cut
		2402
		2403	package cf::object;
		2404
		2405	=over 4
		2406
		2407	=item $ob->inv_recursive
		2408
		2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
		2411
		2412	=cut
		2413
		2414	sub inv_recursive_;
		2415	sub inv_recursive_ {
		2416	map { $_, inv_recursive_ $_->inv } @_
		2417	}
		2418
		2419	sub inv_recursive {
		2420	inv_recursive_ inv $_[0]
		2421	}
		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
1609	}	2449	}
1610		2450
1611	package cf;	2451	package cf;
1612		2452
1613	=back	2453	=back
1614
1615		2454
1616	=head3 cf::object::player	2455	=head3 cf::object::player
1617		2456
1618	=over 4	2457	=over 4
1619		2458
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1625		2464
1626	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1627		2480
1628	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2482	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1633		2486
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2488
1636	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1638	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1641	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1642	}	2514	}
1643		2515
1644	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1645		2517
1646	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1659		2531
1660	=item $player_object->enter_link	2532	=item $player_object->enter_link
1661		2533
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2535
1664	The player should be reaosnably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
		2540
		2541	Will never block.
1666		2542
1667	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1668		2544
1669	Moves the player out of the specila link map onto the given map. If the	2545	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2546	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2547	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2548	fails, to the emergency map position.
1673		2549
1674	Might block.	2550	Might block.
1675		2551
1676	=cut	2552	=cut
		2553
		2554	sub link_map {
		2555	unless ($LINK_MAP) {
		2556	$LINK_MAP = cf::map::find "{link}"
		2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2558	$LINK_MAP->load;
		2559	}
		2560
		2561	$LINK_MAP
		2562	}
1677		2563
1678	sub cf::object::player::enter_link {	2564	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2565	my ($self) = @_;
1680		2566
1681	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1682		2568
1683	return if $self->map == $LINK_MAP;	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2570
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1687		2573
1688	$self->enter_map ($LINK_MAP, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2575	}
1690		2576
1691	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1693		2581
1694	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1695		2583
1696	unless ($map) {	2584	unless ($map) {
1697	# restore original map position	2585	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1710		2598
1711	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1714		2602
1715	$map->load;	2603	$map->load;
		2604	$map->load_neighbours;
1716		2605
1717	return unless $self->contr->active;	2606	return unless $self->contr->active;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2612	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2613	}
1721		2614
1722	cf::player->attach (	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2616
1726	# abort map switching before logout	2617	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2618	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2620	the new (success) or old (failed) map position. In either case, $done will
1730	};	2621	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2622
1736	# try to abort aborted map switching on player login :)	2623	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2624	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2625
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1757		2629
1758	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2632
1761	$path = new cf::path $path;	2633	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2635
1764	$self->enter_link;	2636	$self->enter_link;
1765		2637
1766	(async {	2638	(async {
1767	my $map = cf::map::find $path->as_string;	2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
		2660	my $map = eval {
		2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
1769		2665	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2666	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
1774		2669
		2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
		2676	}
		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1776	})->prio (1);	2684	})->prio (1);
1777	}	2685	}
1778		2686
1779	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1780		2688
…		…
1782		2690
1783	sub parse_random_map_params {	2691	sub parse_random_map_params {
1784	my ($spec) = @_;	2692	my ($spec) = @_;
1785		2693
1786	my $rmp = { # defaults	2694	my $rmp = { # defaults
1787	xsize => 10,	2695	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2696	ysize => (cf::rndm 15, 40),
		2697	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2698	#layout => string,
1789	};	2699	};
1790		2700
1791	for (split /\n/, $spec) {	2701	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2702	my ($k, $v) = split /\s+/, $_, 2;
1793		2703
…		…
1805	# that depends on the exit object	2715	# that depends on the exit object
1806		2716
1807	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
1808		2718
1809	if ($exit->map) {	2719	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2720	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1814	}	2726	}
1815		2727
1816	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1817		2729
1818	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
		2732	my $meta = "$RANDOMDIR/$md5.meta";
1820		2733
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
		2736	undef $fh;
		2737	aio_rename "$meta~", $meta;
1823		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1826	}	2745	}
1827	}	2746	}
1828		2747
1829	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1833		2752
1834	$self->enter_link;	2753	$self->enter_link;
1835		2754
1836	(async {	2755	(async {
1837	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1838	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
1839	prepare_random_map $exit	2765	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2766	if $exit->slaying eq "/!";
		2767	}
1841		2768
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
1844		2772
		2773	$self->goto ($map, $x, $y);
		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1845	1;	2779	1
1846	}) {	2780	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2783	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2785
1852	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2787	$self->leave_link;
1854	}	2788	}
1855	})->prio (1);	2789	})->prio (1);
…		…
1868		2802
1869	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
1871		2805
1872	utf8::encode $text;	2806	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2808	}
1875		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
		2997	=item $client->ext_msg ($type, @msg)
		2998
		2999	Sends an ext event to the client.
		3000
		3001	=cut
		3002
		3003	sub cf::client::ext_msg($$@) {
		3004	my ($self, $type, @msg) = @_;
		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
		3009	push @msg, msgtype => "event_$type";
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
		3030	}
1876		3031
1877	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
1878		3033
1879	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3037
1883	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3039	become reliable at some point in the future.
1885		3040
1886	=cut	3041	=cut
1887		3042
1888	sub cf::client::query {	3043	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3052	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3054
1900	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
1902	}	3059	}
1903		3060
1904	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
1905	on_reply => sub {	3067	on_reply => sub {
1906	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
1907		3069
1908	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
1909	# get handled first	3071	# get handled first
1910	my $queue = delete $ns->{query_queue}	3072	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3074
1913	(shift @$queue)->[1]->($msg);	3075	(shift @$queue)->[1]->($msg);
		3076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3077
1915	push @{ $ns->{query_queue} }, @$queue;	3078	push @{ $ns->{query_queue} }, @$queue;
1916		3079
1917	if (@{ $ns->{query_queue} } == @$queue) {	3080	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3081	if (@$queue) {
…		…
1920	} else {	3083	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3085	}
1923	}	3086	}
1924	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
1925	);	3114	);
1926		3115
1927	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
1928		3117
1929	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
1972		3161
1973	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
1974		3163
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
1976		3169
1977	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
1978		3171
1979	=pod	3172	=pod
1980		3173
1981	The following fucntions and emthods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
1982		3175
1983	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
1984	cf::object::player player	3181	cf::object::player
1985	cf::player peaceful	3182	player
1986	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
1987		3189
1988	=cut	3190	=cut
1989		3191
1990	for (	3192	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
1995	) {	3199	) {
1996	no strict 'refs';	3200	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2016		3220
2017	my $qcode = $code;	3221	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2020		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2021	local $_;	3228	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3229
2024	my $eval =	3230	my $eval =
2025	"do {\n"	3231	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3234	. $code
2029	. "\n}"	3235	. "\n}"
2030	;	3236	;
2031		3237
		3238	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2035		3247
2036	if ($@) {	3248	if ($@) {
2037	warn "$@";	3249	warn "$@";
2038	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2039	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2058	=cut	3270	=cut
2059		3271
2060	sub register_script_function {	3272	sub register_script_function {
2061	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2062		3274
2063	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2064	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2065	}	3277	}
2066		3278
2067	=back	3279	=back
2068		3280
2069	=cut	3281	=cut
2070		3282
2071	#############################################################################	3283	#############################################################################
		3284	# the server's init and main functions
2072		3285
2073	=head2 EXTENSION DATABASE SUPPORT	3286	sub load_facedata($) {
		3287	my ($path) = @_;
2074		3288
2075	Crossfire maintains a very simple database for extension use. It can	3289	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3290	# for this (global event?)
2077	excludes objects.	3291	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3292
2079	The parameter C<$family> should best start with the name of the extension	3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3294
2082	=over 4	3295	warn "loading facedata from $path\n";
2083		3296
2084	=item $hashref = cf::db_get $family	3297	my $facedata;
		3298	0 < aio_load $path, $facedata
		3299	or die "$path: $!";
2085		3300
2086	Return a hashref for use by the extension C<$family>, which can be	3301	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3302
2090	=item $value = cf::db_get $family => $key	3303	$facedata->{version} == 2
		3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3305
2092	Returns a single value from the database	3306	# patch in the exptable
2093		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2094	=item cf::db_put $family => $hashref	3308	$facedata->{resource}{"res/exp_table"} = {
2095		3309	type => FT_RSRC,
2096	Stores the given family hashref into the database. Updates are delayed, if	3310	data => $exp_table,
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3311	hash => (Digest::MD5::md5 $exp_table),
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3312	};
		3313	cf::cede_to_tick;
2145		3314
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3315	{
		3316	my $faces = $facedata->{faceinfo};
2150		3317
2151	sub db_get($;$) {	3318	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3320
2157	sub db_put($$;$) {	3321	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3325
2166	cf::global->attach (	3326	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3327	}
2171	);
2172	}
2173		3328
2174	#############################################################################	3329	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3330	next unless $info->{smooth};
2176		3331
2177	sub cfg_load {	3332	my $idx = cf::face::find $face
		3333	or next;
		3334
		3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
		3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3338	} else {
		3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3340	}
		3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
		3346	{
		3347	my $anims = $facedata->{animinfo};
		3348
		3349	while (my ($anim, $info) = each %$anims) {
		3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3351	cf::cede_to_tick;
		3352	}
		3353
		3354	cf::anim::invalidate_all; # d'oh
		3355	}
		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
		3376	1
		3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
		3446	sub reload_resources {
		3447	warn "reloading resource files...\n";
		3448
		3449	reload_facedata;
		3450	reload_archetypes;
		3451	reload_regions;
		3452	reload_treasures;
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3461	or return;
2180		3462
2181	local $/;	3463	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2183		3465
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3467
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3475	};
2194	warn $@ if $@;	3476	warn $@ if $@;
2195	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3508	}
2197		3509
2198	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2199	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3528	(async {
		3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
		3531	})->prio (Coro::PRIO_MAX);
2203	};	3532	};
2204		3533
2205	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
		3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2207	load_extensions;	3553	load_extensions;
2208	Event::loop;	3554
		3555	utime time, time, $RUNTIMEFILE;
		3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2209	}	3565	}
2210		3566
2211	#############################################################################	3567	#############################################################################
2212	# initialisation	3568	# initialisation and cleanup
2213		3569
		3570	# install some emergency cleanup handlers
		3571	BEGIN {
		3572	our %SIGWATCHER = ();
		3573	for my $signal (qw(INT HUP TERM)) {
		3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3575	cf::cleanup "SIG$signal";
		3576	};
		3577	}
		3578	}
		3579
		3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
		3583	# first touch the runtime file to show we are still running:
		3584	# the fsync below can take a very very long time.
		3585
		3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3587
		3588	my $guard = cf::lock_acquire "write_runtime";
		3589
		3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3591	or return;
		3592
		3593	my $value = $cf::RUNTIME + 90 + 10;
		3594	# 10 is the runtime save interval, for a monotonic clock
		3595	# 60 allows for the watchdog to kill the server.
		3596
		3597	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3598	and return;
		3599
		3600	# always fsync - this file is important
		3601	aio_fsync $fh
		3602	and return;
		3603
		3604	# touch it again to show we are up-to-date
		3605	aio_utime $fh, undef, undef;
		3606
		3607	close $fh
		3608	or return;
		3609
		3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3611	and return;
		3612
		3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3614
		3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
		3666	}
		3667
		3668	sub emergency_save() {
		3669	my $freeze_guard = cf::freeze_mainloop;
		3670
		3671	warn "emergency_perl_save: enter\n";
		3672
		3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
		3679	# use a peculiar iteration method to avoid tripping on perl
		3680	# refcount bugs in for. also avoids problems with players
		3681	# and maps saved/destroyed asynchronously.
		3682	warn "emergency_perl_save: begin player save\n";
		3683	for my $login (keys %cf::PLAYER) {
		3684	my $pl = $cf::PLAYER{$login} or next;
		3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3687	$pl->save;
		3688	}
		3689	warn "emergency_perl_save: end player save\n";
		3690
		3691	warn "emergency_perl_save: begin map save\n";
		3692	for my $path (keys %cf::MAP) {
		3693	my $map = $cf::MAP{$path} or next;
		3694	$map->valid or next;
		3695	$map->save;
		3696	}
		3697	warn "emergency_perl_save: end map save\n";
		3698
		3699	warn "emergency_perl_save: begin database checkpoint\n";
		3700	BDB::db_env_txn_checkpoint $DB_ENV;
		3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
		3706	};
		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
		3713	warn "emergency_perl_save: leave\n";
		3714	}
		3715
		3716	sub post_cleanup {
		3717	my ($make_core) = @_;
		3718
		3719	warn Carp::longmess "post_cleanup backtrace"
		3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
		3750	}
		3751
2214	sub reload() {	3752	sub do_reload_perl() {
2215	# can/must only be called in main	3753	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3755	warn "can only reload from main coroutine";
2218	return;	3756	return;
2219	}	3757	}
2220		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2221	warn "reloading...";	3764	warn "reloading...";
2222		3765
2223	my $guard = freeze_mainloop;	3766	warn "entering sync_job";
		3767
		3768	cf::sync_job {
		3769	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3770	cf::emergency_save;
		3771	cf::write_runtime_sync; # external watchdog should not bark
2225		3772
2226	eval {	3773	warn "syncing database to disk";
		3774	BDB::db_env_txn_checkpoint $DB_ENV;
		3775
2227	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2228		3777
2229	# cancel all watchers	3778	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3781	}
2257		3782
2258	Symbol::delete_package $k;	3783	warn "cancelling all extension coros";
		3784	$_->cancel for values %EXT_CORO;
		3785	%EXT_CORO = ();
		3786
		3787	warn "removing commands";
		3788	%COMMAND = ();
		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
		3796	warn "... unloading $pkg";
		3797
		3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
		3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
2259	}	3807	}
2260		3808
2261	# sync database to disk	3809	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3810	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
		3824	}
		3825
2265	# get rid of safe::, as good as possible	3826	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3829
2269	# remove register_script_function callbacks	3830	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
		3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3833
2275	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3835	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
2278		3837
2279	# reload cf.pm	3838	warn "unload completed, starting to reload now";
		3839
2280	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
2281	require cf;	3841	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
2283		3843
2284	# load config and database again	3844	warn "loading config and database again";
2285	cf::cfg_load;	3845	cf::reload_config;
2286	cf::db_load;
2287		3846
2288	# load extensions
2289	warn "load extensions";	3847	warn "loading extensions";
2290	cf::load_extensions;	3848	cf::load_extensions;
2291		3849
2292	# reattach attachments to objects	3850	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3851	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3852	_global_reattach; # objects, sockets
		3853	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
		3855	warn "reattaching attachments to players";
		3856	reattach $_ for values %PLAYER;
		3857	}
		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
		3862	warn "leaving sync_job";
		3863
		3864	1
		3865	} or do {
		3866	warn $@;
		3867	cf::cleanup "error while reloading, exiting.";
		3868	};
		3869
		3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
		3876	};
		3877
		3878	our $RELOAD_WATCHER; # used only during reload
		3879
		3880	sub reload_perl() {
		3881	# doing reload synchronously and two reloads happen back-to-back,
		3882	# coro crashes during coro_state_free->destroy here.
		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
		3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3888	do_reload_perl;
		3889	undef $RELOAD_WATCHER;
		3890	};
2296	};	3891	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3892	}
2349
2350	register "<global>", __PACKAGE__;
2351		3893
2352	register_command "reload" => sub {	3894	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
2354		3896
2355	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
		3901	reload_perl;
		3902	};
2359	}	3903	}
2360	};	3904	};
2361		3905
2362	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
2363		3907
2364	$TICK_WATCHER = Event->timer (	3908	my $bug_warning = 0;
2365	reentrant => 0,	3909
2366	prio => 0,	3910	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3911	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3912
2369	cb => sub {	3913	sub wait_for_tick {
		3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3915
		3916	my $signal = new Coro::Signal;
		3917	push @WAIT_FOR_TICK, $signal;
		3918	$signal->wait;
		3919	}
		3920
		3921	sub wait_for_tick_begin {
		3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3923
		3924	my $signal = new Coro::Signal;
		3925	push @WAIT_FOR_TICK_BEGIN, $signal;
		3926	$signal->wait;
		3927	}
		3928
		3929	sub tick {
		3930	if ($Coro::current != $Coro::main) {
		3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3932	unless ++$bug_warning > 10;
		3933	return;
		3934	}
		3935
2370	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3937
2374	# if we are delayed by four ticks or more, skip them all	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		3939
2377	$TICK_WATCHER->at ($NEXT_TICK);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2378	$TICK_WATCHER->start;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2379	},	3942	Coro::async_pool {
2380	);	3943	$Coro::current->{desc} = "runtime saver";
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3944	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3946	};
2401	},	3947	}
2402	);	3948
		3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3950	$sig->send;
		3951	}
		3952	while (my $sig = shift @WAIT_FOR_TICK) {
		3953	$sig->send;
		3954	}
		3955
		3956	$LOAD = ($NOW - $TICK_START) / $TICK;
		3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3958
		3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
		3967
		3968	{
		3969	# configure BDB
		3970
		3971	BDB::min_parallel 16;
		3972	BDB::max_poll_reqs $TICK * 0.1;
		3973	$AnyEvent::BDB::WATCHER->priority (1);
		3974
		3975	unless ($DB_ENV) {
		3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3982
		3983	cf::sync_job {
		3984	eval {
		3985	BDB::db_env_open
		3986	$DB_ENV,
		3987	$BDBDIR,
		3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3990	0666;
		3991
		3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3993	};
		3994
		3995	cf::cleanup "db_env_open(db): $@" if $@;
		3996	};
		3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
		4008	}
		4009
		4010	{
		4011	# configure IO::AIO
		4012
		4013	IO::AIO::min_parallel 8;
		4014	IO::AIO::max_poll_time $TICK * 0.1;
		4015	undef $AnyEvent::AIO::WATCHER;
		4016	}
		4017
		4018	my $_log_backtrace;
		4019
		4020	sub _log_backtrace {
		4021	my ($msg, @addr) = @_;
		4022
		4023	$msg =~ s/\n//;
		4024
		4025	# limit the # of concurrent backtraces
		4026	if ($_log_backtrace < 2) {
		4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
		4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
		4032	my @bt = fork_call {
		4033	@addr = map { sprintf "%x", $_ } @addr;
		4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4036	or die "addr2line: $!";
		4037
		4038	my @funcs;
		4039	my @res = <$fh>;
		4040	chomp for @res;
		4041	while (@res) {
		4042	my ($func, $line) = splice @res, 0, 2, ();
		4043	push @funcs, "[$func] $line";
		4044	}
		4045
		4046	@funcs
		4047	};
		4048
		4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4051	LOG llevInfo, "[ABT] $_\n" for @bt;
		4052	--$_log_backtrace;
		4053	};
		4054	} else {
		4055	LOG llevInfo, "[ABT] $msg\n";
		4056	LOG llevInfo, "[ABT] [suppressed]\n";
		4057	}
		4058	}
		4059
		4060	# load additional modules
		4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
2403		4063
2404	END { cf::emergency_save }	4064	END { cf::emergency_save }
2405		4065
2406	1	4066	1
2407		4067

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