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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.526 by root, Wed Apr 21 05:48:35 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	118	our $NEXT_TICK;
49	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
50		127
51	our %CFG;	128	our %CFG;
52		129
53	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
55		133
56	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		137
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
63		150
64	binmode STDOUT;	151	binmode STDOUT;
65	binmode STDERR;	152	binmode STDERR;
66		153
67	# read virtual server time, if available	154	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
72	}	159	}
73		160
74	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		162
80	# a special map that is always available	163	mkdir $_
81	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
82	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83		184
84	#############################################################################	185	#############################################################################
85		186
86	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
87		188
…		…
94	=item $cf::RUNTIME	195	=item $cf::RUNTIME
95		196
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	198	every server tick.
98		199
99	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		203
101	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
103		208
104	=item $cf::NOW	209	=item $cf::NOW
105		210
106	The time of the last (current) server tick.	211	The time of the last (current) server tick.
107		212
108	=item $cf::TICK	213	=item $cf::TICK
109		214
110	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
111		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
112	=item %cf::CFG	227	=item %cf::CFG
113		228
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	230	from wherever your confdir points to.
116		231
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		233
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
123		249
124	=back	250	=back
125		251
126	=cut	252	=cut
127		253
128	BEGIN {	254	$Coro::State::WARNHOOK = sub {
129	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	255	my $msg = join "", @_;
131	utf8::encode $msg;
132		256
133	$msg .= "\n"	257	$msg .= "\n"
134	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
135		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
136	LOG llevError, $msg;	262	LOG llevError, $msg;
137	};	263	};
138	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
139		278
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		286
147	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	288	# within the Safe compartment.
149	for my $pkg (qw(	289	for my $pkg (qw(
150	cf::global cf::attachable	290	cf::global cf::attachable
151	cf::object cf::object::player	291	cf::object cf::object::player
152	cf::client cf::player	292	cf::client cf::player
153	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
154	cf::map cf::party cf::region	295	cf::party cf::region
155	)) {	296	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	298	}
159		299
160	$Event::DIED = sub {	300	$EV::DIED = sub {
161	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
162	};	302	};
		303
		304	#############################################################################
163		305
164	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
165		307
166	=over 4	308	=over 4
167		309
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	329	$d
188	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
189	}	331	}
190		332
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
194		334
195	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
196		336
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
205		338
206	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
207		340
208	=cut	341	=cut
209		342
210	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
212	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
213	}	360	}
214		361
215	=item cf::lock_wait $string	362	=item cf::lock_wait $string
216		363
217	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
218		365
219	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
220		367
221	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
224	returned.	371	returned.
225		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
226	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
228		378
229	=cut	379	=item $locked = cf::lock_active $string
230		380
231	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
232		386
233	sub lock_wait($) {	387	sub lock_wait($) {
234	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	389	}
242		390
243	sub lock_acquire($) {	391	sub lock_acquire($) {
244	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
245		394
246	# wait, to be sure we are not locked	395	sub lock_active($) {
247	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	397	}
256		398
257	sub freeze_mainloop {	399	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
259		401
260	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	403	}
262	$guard	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
		469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
263	}	485	}
264		486
265	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
266		488
267	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		494
273	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
274		496
275	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
276		498
277	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
280		503
281	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
284	fast or be very important.	507	fast or be very important.
…		…
287		510
288	sub sync_job(&) {	511	sub sync_job(&) {
289	my ($job) = @_;	512	my ($job) = @_;
290		513
291	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
292	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
294		519
295	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	521
297	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
298		523
299	my $busy = 1;	524	my $busy = 1;
300	my @res;	525	my @res;
301		526
302	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	529	@res = eval { $job->() };
304	warn $@ if $@;	530	warn $@ if $@;
305	undef $busy;	531	undef $busy;
306	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
307		533
308	while ($busy) {	534	while ($busy) {
309	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
310	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
311		545
312	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
313	} else {	547	} else {
314	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
315		549
…		…
335	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
336		570
337	$coro	571	$coro
338	}	572	}
339		573
340	sub write_runtime {	574	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		575
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
344	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
345		580
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		582
350	aio_fsync $fh	583	sub fork_call(&@) {
351	and return;	584	my ($cb, @args) = @_;
352		585
353	close $fh	586	# we seemingly have to make a local copy of the whole thing,
354	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
355		589
356	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
357	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
358		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
359	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	772	}
361		773
362	=back	774	=back
363		775
364	=cut	776	=cut
365		777
366	#############################################################################	778	#############################################################################
367		779
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
496		781
497	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
500		785
501	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	788	Deliantra).
504		789
505	=over 4	790	=over 4
506		791
507	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
508		793
…		…
552	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
553		838
554	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
556		841
557	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
559		844
560	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
561		846
562	=over 4	847	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	908	our @CB_MAP = ();
624		909
625	my %attachment;	910	my %attachment;
626		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
627	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
629		920
630	use sort 'stable';	921	use sort 'stable';
631		922
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
666		957
667	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		962
672	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	964	my $pkg = shift @arg;
674		965
675	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
705	}	996	}
706		997
707	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
708	} else {	999	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	1001	}
711		1002
712	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
713	}	1004	}
714		1005
…		…
716	if (ref $_[0]) {	1007	if (ref $_[0]) {
717	_object_attach @_;	1008	_object_attach @_;
718	} else {	1009	} else {
719	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
720	}	1011	}
		1012	_recalc_want;
721	};	1013	};
722		1014
723	# all those should be optimised	1015	# all those should be optimised
724	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1021	reattach ($obj);
730	} else {	1022	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
732	}	1024	}
		1025	_recalc_want;
733	};	1026	};
734		1027
735	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
737		1030
…		…
752	";	1045	";
753	die if $@;	1046	die if $@;
754	}	1047	}
755		1048
756	our $override;	1049	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1051
759	sub override {	1052	sub override {
760	$override = 1;	1053	$override = 1;
761	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
762	}	1055	}
763		1056
764	sub do_invoke {	1057	sub do_invoke {
765	my $event = shift;	1058	my $event = shift;
766	my $callbacks = shift;	1059	my $callbacks = shift;
767		1060
768	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
769		1062
770	local $override;	1063	local $override;
771		1064
772	for (@$callbacks) {	1065	for (@$callbacks) {
773	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
782	}	1075	}
783		1076
784	0	1077	0
785	}	1078	}
786		1079
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1081
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1083
791	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
792		1085
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1089
797	=back	1090	=back
798		1091
799	=cut	1092	=cut
800		1093
801	#############################################################################	1094	#############################################################################
802	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
803		1138
804	sub reattach {	1139	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1145
808	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
809		1147
810	@$registry = ();	1148	@$registry = ();
811		1149
…		…
826	cf::attachable->attach (	1164	cf::attachable->attach (
827	prio => -1000000,	1165	prio => -1000000,
828	on_instantiate => sub {	1166	on_instantiate => sub {
829	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
830		1168
831	$data = from_json $data;	1169	$data = decode_json $data;
832		1170
833	for (@$data) {	1171	for (@$data) {
834	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
835		1173
836	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1190	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
854		1192
855	sync_job {	1193	sync_job {
856	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
859		1198
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	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;
863	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
864	close $fh;	1206	aio_close $fh;
865		1207
866	if (@$objs) {	1208	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;
871	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
872	close $fh;	1217	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
874	}	1219	}
875	} else {	1220	} else {
876	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
877	}	1222	}
878		1223
879	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1228	} else {
881	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
882	}	1230	}
883	} else {	1231	} else {
884	aio_unlink $filename;	1232	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
886	}	1234	}
887	}	1235	};
888	}	1236	}
889		1237
890	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
892		1240
…		…
904	or return;	1252	or return;
905		1253
906	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
908	or return;	1256	or return;
		1257
909	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
910	}	1260	}
911		1261
		1262	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
914	return ($data, $av);	1266	($data, $av)
915	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
916		1274
917	#############################################################################	1275	#############################################################################
918	# command handling &c	1276	# command handling &c
919		1277
920	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1292	}
935		1293
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1295
938	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
939		1301
940	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
941	called.	1303	called.
942		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
943	=cut	1316	=cut
944		1317
945	sub register_extcmd {	1318	sub register_extcmd {
946	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
947		1320
948	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
949	}	1322	}
950		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
951	cf::player->attach (	1332	cf::player->attach (
952	on_command => sub {	1333	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
954		1335
955	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
956	or return;	1337	or return;
957		1338
…		…
962	cf::override;	1343	cf::override;
963	},	1344	},
964	on_extcmd => sub {	1345	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
966		1347
967	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1349
969	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
975	} else {	1365	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1367	}
978		1368
979	cf::override;	1369	cf::override;
980	},	1370	},
981	);	1371	);
982		1372
		1373	# "readahead" all extensions
983	sub load_extension {	1374	sub cache_extensions {
984	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
985		1376
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1380	}
990	$pkg = "ext::$pkg";	1381	};
991		1382
992	warn "loading '$path' into '$pkg'\n";	1383	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1384	}
1009		1385
1010	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1011	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1391	next unless -r $path;
1013	eval {	1392
1014	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
1015	1	1456	}
1016	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
1017	}	1467	};
1018	}	1468	}
1019		1469
1020	#############################################################################	1470	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1471
1023	*cf::mapsupport::on_clean = sub {	1472	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1473
1036	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1037		1475
1038	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1039		1477
1040	=cut	1478	=cut
1041		1479
1042	package cf::player;	1480	package cf::player;
1043		1481
…		…
1045		1483
1046	=head3 cf::player	1484	=head3 cf::player
1047		1485
1048	=over 4	1486	=over 4
1049		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
1050	=item cf::player::find $login	1502	=item cf::player::find $login
1051		1503
1052	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1053		1505
1054	=cut	1506	=cut
1055		1507
1056	sub playerdir($) {	1508	sub playerdir($) {
1057	cf::localdir	1509	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1511	}
1063		1512
1064	sub path($) {	1513	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1515
1067	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1068	}	1517	}
1069		1518
1070	sub find_active($) {	1519	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1075		1524
1076	sub exists($) {	1525	sub exists($) {
1077	my ($login) = @_;	1526	my ($login) = @_;
1078		1527
1079	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1081	}	1530	}
1082		1531
1083	sub find($) {	1532	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1534	my $login = $_[0];
1086		1535
1087	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1088		1537
1089	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1093	}	1555	}
1094	}	1556	}
1095	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1096		1571
1097	sub save($) {	1572	sub save($) {
1098	my ($pl) = @_;	1573	my ($pl) = @_;
1099		1574
1100	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1105	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1106		1581
1107	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1109		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1110	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1111	Coro::cede;	1591	cf::cede_to_tick;
1112	}	1592	}
1113		1593
1114	sub new($) {	1594	sub new($) {
1115	my ($login) = @_;	1595	my ($login) = @_;
1116		1596
…		…
1122	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1123		1603
1124	$self	1604	$self
1125	}	1605	}
1126		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1127	=item $pl->quit_character	1617	=item $pl->quit_character
1128		1618
1129	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1131		1621
1132	=cut	1622	=cut
1133		1623
1134	sub quit_character {	1624	sub quit_character {
1135	my ($pl) = @_;	1625	my ($pl) = @_;
1136		1626
		1627	my $name = $pl->ob->name;
		1628
1137	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1631
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1144		1638
1145	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1150	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1151	}	1665	}
1152		1666
1153	=item cf::player::list_logins	1667	=item cf::player::list_logins
1154		1668
1155	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1157		1671
1158	=cut	1672	=cut
1159		1673
1160	sub list_logins {	1674	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1676	or return [];
1163		1677
1164	my @logins;	1678	my @logins;
1165		1679
1166	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1170		1690
1171	utf8::decode $login;	1691	utf8::decode $login;
1172	push @logins, $login;	1692	push @logins, $login;
1173	}	1693	}
1174		1694
1175	\@logins	1695	\@logins
1176	}	1696	}
1177		1697
1178	=item $player->maps	1698	=item $player->maps
1179		1699
		1700	=item cf::player::maps $login
		1701
1180	Returns an arrayref of cf::path's of all maps that are private for this	1702	Returns an arrayref of map paths that are private for this
1181	player. May block.	1703	player. May block.
1182		1704
1183	=cut	1705	=cut
1184		1706
1185	sub maps($) {	1707	sub maps($) {
1186	my ($pl) = @_;	1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1711
1188	my $files = aio_readdir playerdir $pl	1712	my $files = aio_readdir playerdir $pl
1189	or return;	1713	or return;
1190		1714
1191	my @paths;	1715	my @paths;
…		…
1193	for (@$files) {	1717	for (@$files) {
1194	utf8::decode $_;	1718	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1719	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1720	next unless /^$PATH_SEP/o;
1197		1721
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1722	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1723	}
1200		1724
1201	\@paths	1725	\@paths
1202	}	1726	}
1203		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1205		1733
1206	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1207		1735
1208	=cut	1736	=cut
1209		1737
1210	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1212		1740
1213	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1742	}
1217		1743
1218	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1219		1786
1220	=back	1787	=back
1221
1222		1788
1223	=head3 cf::map	1789	=head3 cf::map
1224		1790
1225	=over 4	1791	=over 4
1226		1792
…		…
1229	package cf::map;	1795	package cf::map;
1230		1796
1231	use Fcntl;	1797	use Fcntl;
1232	use Coro::AIO;	1798	use Coro::AIO;
1233		1799
		1800	use overload
		1801	'""' => \&as_string,
		1802	fallback => 1;
		1803
1234	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1236		1806
1237	sub generate_random_map {	1807	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1811
1240	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1813	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1821	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1822	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
		1825	)
1254	}	1826	}
1255		1827
1256	# and all this just because we cannot iterate over	1828	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1829
1261	$_->change_map_light ($change)	1830	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1831	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1832	default).
1264		1833
1265	sub try_load_header($) {	1834	=cut
		1835
		1836	sub register {
		1837	my (undef, $regex, $prio) = @_;
		1838	my $pkg = caller;
		1839
		1840	no strict;
		1841	push @{"$pkg\::ISA"}, __PACKAGE__;
		1842
		1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1844	}
		1845
		1846	# also paths starting with '/'
		1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1848
		1849	sub thawer_merge {
		1850	my ($self, $merge) = @_;
		1851
		1852	# we have to keep some variables in memory intact
		1853	local $self->{path};
		1854	local $self->{load_path};
		1855
		1856	$self->SUPER::thawer_merge ($merge);
		1857	}
		1858
		1859	sub normalise {
1266	my ($path) = @_;	1860	my ($path, $base) = @_;
		1861
		1862	$path = "$path"; # make sure its a string
		1863
		1864	$path =~ s/\.map$//;
		1865
		1866	# map plan:
		1867	#
		1868	# /! non-realised random map exit (special hack!)
		1869	# {... are special paths that are not being touched
		1870	# ?xxx/... are special absolute paths
		1871	# ?random/... random maps
		1872	# /... normal maps
		1873	# ~user/... per-player map of a specific user
		1874
		1875	$path =~ s/$PATH_SEP/\//go;
		1876
		1877	# treat it as relative path if it starts with
		1878	# something that looks reasonable
		1879	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1880	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1881
		1882	$base =~ s{[^/]+/?$}{};
		1883	$path = "$base/$path";
		1884	}
		1885
		1886	for ($path) {
		1887	redo if s{//}{/};
		1888	redo if s{/\.?/}{/};
		1889	redo if s{/[^/]+/\.\./}{/};
		1890	}
		1891
		1892	$path
		1893	}
		1894
		1895	sub new_from_path {
		1896	my (undef, $path, $base) = @_;
		1897
		1898	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1899
		1900	$path = normalise $path, $base;
		1901
		1902	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1903	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1904	my $self = bless cf::map::new, $pkg;
		1905	$self->{path} = $path; $self->path ($path);
		1906	$self->init; # pass $1 etc.
		1907	return $self;
		1908	}
		1909	}
		1910
		1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1912	()
		1913	}
		1914
		1915	sub init {
		1916	my ($self) = @_;
		1917
		1918	$self
		1919	}
		1920
		1921	sub as_string {
		1922	my ($self) = @_;
		1923
		1924	"$self->{path}"
		1925	}
		1926
		1927	# the displayed name, this is a one way mapping
		1928	sub visible_name {
		1929	&as_string
		1930	}
		1931
		1932	# the original (read-only) location
		1933	sub load_path {
		1934	my ($self) = @_;
		1935
		1936	"$MAPDIR/$self->{path}.map"
		1937	}
		1938
		1939	# the temporary/swap location
		1940	sub save_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$TMPDIR/$path.map"
		1945	}
		1946
		1947	# the unique path, undef == no special unique path
		1948	sub uniq_path {
		1949	my ($self) = @_;
		1950
		1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1952	"$UNIQUEDIR/$path"
		1953	}
		1954
		1955	sub decay_objects {
		1956	my ($self) = @_;
		1957
		1958	return if $self->{deny_reset};
		1959
		1960	$self->do_decay_objects;
		1961	}
		1962
		1963	sub unlink_save {
		1964	my ($self) = @_;
		1965
		1966	utf8::encode (my $save = $self->save_path);
		1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1969	}
		1970
		1971	sub load_header_from($) {
		1972	my ($self, $path) = @_;
1267		1973
1268	utf8::encode $path;	1974	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1270	or return;	1976	or return;
1271		1977
1272	my $map = cf::map::new	1978	$self->_load_header ($f)
1273	or return;	1979	or return;
1274		1980
1275	# for better error messages only, will be overwritten	1981	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1982	$f->resolve_delayed_derefs;
1277		1983
1278	$map->load_header ($path)	1984	$self->{load_path} = $path;
		1985
		1986	1
		1987	}
		1988
		1989	sub load_header_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->load_header_from ($self->load_path)
		1993	}
		1994
		1995	sub load_header_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->load_header_from ($self->save_path)
		1999	}
		2000
		2001	sub prepare_temp {
		2002	my ($self) = @_;
		2003
		2004	$self->last_access ((delete $self->{last_access})
		2005	|| $cf::RUNTIME); #d#
		2006	# safety
		2007	$self->{instantiate_time} = $cf::RUNTIME
		2008	if $self->{instantiate_time} > $cf::RUNTIME;
		2009	}
		2010
		2011	sub prepare_orig {
		2012	my ($self) = @_;
		2013
		2014	$self->{load_original} = 1;
		2015	$self->{instantiate_time} = $cf::RUNTIME;
		2016	$self->last_access ($cf::RUNTIME);
		2017	$self->instantiate;
		2018	}
		2019
		2020	sub load_header {
		2021	my ($self) = @_;
		2022
		2023	if ($self->load_header_temp) {
		2024	$self->prepare_temp;
		2025	} else {
		2026	$self->load_header_orig
1279	or return;	2027	or return;
		2028	$self->prepare_orig;
		2029	}
1280		2030
1281	$map->{load_path} = $path;	2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
1282		2033
1283	$map	2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
		2037	1
1284	}	2038	}
1285		2039
1286	sub find;	2040	sub find;
1287	sub find {	2041	sub find {
1288	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1289		2043
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2045
1295	cf::lock_wait "map_find:$key";	2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2048
1300	# do it the slow way	2049	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2050	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2051	or return;
1319		2052
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1332		2054
1333	Coro::cede;	2055	$map->load_header
		2056	or return;
1334		2057
1335	if ($map->should_reset) {	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2059	# doing this can freeze the server in a sync job, obviously
		2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1336	$map->reset;	2063	$map->reset;
1337	undef $guard;
1338	$map = find $path	2064	return find $path;
1339	or return;
1340	}	2065	}
1341		2066
1342	$cf::MAP{$key} = $map	2067	$cf::MAP{$path} = $map
1343	}	2068	}
1344	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1345		2073
1346	sub load {	2074	sub load {
1347	my ($self) = @_;	2075	my ($self) = @_;
1348		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1349	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2082	my $guard = cf::lock_acquire "map_data:$path";
1351		2083
		2084	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2086
1354	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1355		2088
1356	$self->alloc;	2089	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2090
		2091	$self->pre_load;
		2092	cf::cede_to_tick;
		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1358	or return;	2097	or return;
1359		2098
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1361	if delete $self->{load_original};	2100	if delete $self->{load_original};
1362		2101
1363	if (my $uniq = $path->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2103	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2106	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1368	}	2110	}
1369	}	2111	}
1370		2112
1371	Coro::cede;	2113	$f->resolve_delayed_derefs;
1372		2114
		2115	cf::cede_to_tick;
1373	# now do the right thing for maps	2116	# now do the right thing for maps
1374	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2119	unless $self->difficulty;
		2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1386	$self->activate;	2127	$self->activate;
1387	}	2128	}
1388		2129
1389	Coro::cede;	2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
1390		2132
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
		2134	}
		2135
		2136	$self->post_load;
		2137	}
		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
		2142	sub customise_for {
		2143	my ($self, $ob) = @_;
		2144
		2145	return find "~" . $ob->name . "/" . $self->{path}
		2146	if $self->per_player;
		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
		2151	$self
1392	}	2152	}
1393		2153
1394	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2155	sub load_neighbours {
1396	my ($map) = @_;	2156	my ($map) = @_;
1397		2157
1398	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1399		2159
1400	for (0 .. 3) {	2160	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1402	or next;	2162	or next;
1403	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1404	or next;	2164	or next;
1405	$neigh->load;	2165	$neigh->load;
1406		2166
		2167	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2170	}
1410		2171
1411	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1413	or next;	2175	or next;
1414	$neigh->load;	2176	$neigh->load;
1415	}	2177	}
1416	}	2178	}
1417		2179
…		…
1422	}	2184	}
1423		2185
1424	sub do_load_sync {	2186	sub do_load_sync {
1425	my ($map) = @_;	2187	my ($map) = @_;
1426		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1427	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1428	}	2193	}
1429		2194
1430	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
		2196	our $MAP_PREFETCHER = undef;
		2197
		2198	sub find_async {
		2199	my ($path, $origin, $load) = @_;
		2200
		2201	$path = normalise $path, $origin && $origin->{path};
		2202
		2203	if (my $map = $cf::MAP{$path}) {
		2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2205	}
		2206
		2207	$MAP_PREFETCH{$path} |= $load;
		2208
1431	our $MAP_PREFETCHER = Coro::async {	2209	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2210	$Coro::current->{desc} = "map prefetcher";
		2211
1433	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
1436	my $path = delete $MAP_PREFETCH{$key};	2218	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2219	}
1442	Coro::schedule;	2220	}
		2221	undef $MAP_PREFETCHER;
1443	}	2222	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2223	$MAP_PREFETCHER->prio (6);
1458		2224
1459	()	2225	()
		2226	}
		2227
		2228	# common code, used by both ->save and ->swapout
		2229	sub _save {
		2230	my ($self) = @_;
		2231
		2232	$self->{last_save} = $cf::RUNTIME;
		2233
		2234	return unless $self->dirty;
		2235
		2236	my $save = $self->save_path; utf8::encode $save;
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->{load_path} = $save;
		2240
		2241	return if $self->{deny_save};
		2242
		2243	local $self->{last_access} = $self->last_access;#d#
		2244
		2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
		2247	$_->contr->save for $self->players;
		2248	};
		2249
		2250	cf::get_slot 0.02;
		2251
		2252	if ($uniq) {
		2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2255	} else {
		2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2257	}
1460	}	2258	}
1461		2259
1462	sub save {	2260	sub save {
1463	my ($self) = @_;	2261	my ($self) = @_;
1464		2262
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2264
1467	$self->{last_save} = $cf::RUNTIME;	2265	$self->_save;
1468
1469	return unless $self->dirty;
1470
1471	my $save = $self->{path}->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474	$self->{load_path} = $save;
1475
1476	return if $self->{deny_save};
1477
1478	local $self->{last_access} = $self->last_access;#d#
1479
1480	cf::async {
1481	$_->contr->save for $self->players;
1482	};
1483
1484	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}
1490	}	2266	}
1491		2267
1492	sub swap_out {	2268	sub swap_out {
1493	my ($self) = @_;	2269	my ($self) = @_;
1494		2270
1495	# save first because save cedes
1496	$self->save;
1497
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1500	return if $self->players;	2275	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};
1503		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1504	$self->clear;	2286	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2287	}
1507		2288
1508	sub reset_at {	2289	sub reset_at {
1509	my ($self) = @_;	2290	my ($self) = @_;
1510		2291
1511	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1514		2294
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2297
…		…
1522	my ($self) = @_;	2302	my ($self) = @_;
1523		2303
1524	$self->reset_at <= $cf::RUNTIME	2304	$self->reset_at <= $cf::RUNTIME
1525	}	2305	}
1526		2306
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2307	sub reset {
1549	my ($self) = @_;	2308	my ($self) = @_;
1550		2309
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2311
1553	return if $self->players;	2312	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2313
1556	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
1557		2325
1558	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1559		2327
		2328	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
		2330	$self->clear;
1561		2331
1562	$self->unlink_save;	2332	$self->unlink_save;
1563	$self->destroy;	2333	$self->destroy;
1564	}	2334	}
1565		2335
1566	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1567		2337
1568	sub nuke {	2338	sub nuke {
1569	my ($self) = @_;	2339	my ($self) = @_;
1570		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
		2344	delete $cf::MAP{$self->path};
		2345
		2346	$self->unlink_save;
		2347
		2348	bless $self, "cf::map::wrap";
		2349	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2353
		2354	$cf::MAP{$self->path} = $self;
		2355	}
		2356
1574	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1575	}	2358	}
1576		2359
1577	sub customise_for {	2360	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2361
1580	if ($map->per_player) {	2362	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
1582	}	2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
1583		2377
1584	$map	2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1585	}	2394	}
1586		2395
1587	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1588		2397
1589	Returns an arrayref of cf::path's of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2399	instantiated unique items. May block.
1591		2400
1592	=cut	2401	=cut
1593		2402
1594	sub unique_maps() {	2403	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1596	or return;	2405	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2406	utf8::decode $_;
1602	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2409	? ()
1605	push @paths, new cf::path $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2412	]
1607
1608	\@paths
1609	}	2413	}
1610		2414
1611	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1612		2446
1613	=back	2447	=back
1614		2448
1615	=head3 cf::object	2449	=head3 cf::object
1616		2450
…		…
1620		2454
1621	=over 4	2455	=over 4
1622		2456
1623	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1624		2458
1625	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1626		2461
1627	=cut	2462	=cut
1628		2463
1629	sub inv_recursive_;	2464	sub inv_recursive_;
1630	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1633		2468
1634	sub inv_recursive {	2469	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1636	}	2471	}
1637		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1638	package cf;	2501	package cf;
1639		2502
1640	=back	2503	=back
1641		2504
1642	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1651		2514
1652	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1653		2530
1654	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2532	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1659		2536
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2538
1662	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1664	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1667	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1668	}	2564	}
1669		2565
1670	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1671		2567
1672	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1685		2581
1686	=item $player_object->enter_link	2582	=item $player_object->enter_link
1687		2583
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2585
1690	The player should be reaosnably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
		2590
		2591	Will never block.
1692		2592
1693	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1694		2594
1695	Moves the player out of the specila link map onto the given map. If the	2595	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2596	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2597	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2598	fails, to the emergency map position.
1699		2599
1700	Might block.	2600	Might block.
1701		2601
1702	=cut	2602	=cut
		2603
		2604	sub link_map {
		2605	unless ($LINK_MAP) {
		2606	$LINK_MAP = cf::map::find "{link}"
		2607	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2608	$LINK_MAP->load;
		2609	}
		2610
		2611	$LINK_MAP
		2612	}
1703		2613
1704	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2615	my ($self) = @_;
1706		2616
1707	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1708		2618
1709	return if $self->map == $LINK_MAP;	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2620
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1713		2623
1714	$self->enter_map ($LINK_MAP, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2625	}
1716		2626
1717	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1719		2631
1720	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1721		2633
1722	unless ($map) {	2634	unless ($map) {
1723	# restore original map position	2635	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1736		2648
1737	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1740		2652
1741	$map->load;	2653	$map->load;
1742	$map->load_diag;	2654	$map->load_neighbours;
1743		2655
1744	return unless $self->contr->active;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2662	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);	2663	# unless exists $self->{_link_pos}; # maybe we re in-flight again
1747	}	2664	}
1748		2665
1749	cf::player->attach (	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2667
1753	# abort map switching before logout	2668	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2669	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2671	the new (success) or old (failed) map position. In either case, $done will
1757	};	2672	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2673
1763	# try to abort aborted map switching on player login :)	2674	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2675	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2676
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2677	=cut
		2678
		2679	our $GOTOGEN;
1784		2680
1785	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2683
1788	$path = new cf::path $path;	2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2686
1790	$self->enter_link;	2687	$self->enter_link;
1791		2688
1792	(async {	2689	(async {
1793	my $map = cf::map::find $path->as_string;	2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
		2711	my $map = eval {
		2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
1795		2716	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2717	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
1800		2720
		2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
		2727	}
		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1802	})->prio (1);	2735	})->prio (1);
1803	}	2736	}
1804		2737
1805	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1806		2739
…		…
1808		2741
1809	sub parse_random_map_params {	2742	sub parse_random_map_params {
1810	my ($spec) = @_;	2743	my ($spec) = @_;
1811		2744
1812	my $rmp = { # defaults	2745	my $rmp = { # defaults
1813	xsize => 10,	2746	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2747	ysize => (cf::rndm 15, 40),
		2748	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2749	#layout => string,
1815	};	2750	};
1816		2751
1817	for (split /\n/, $spec) {	2752	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2753	my ($k, $v) = split /\s+/, $_, 2;
1819		2754
…		…
1831	# that depends on the exit object	2766	# that depends on the exit object
1832		2767
1833	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
1834		2769
1835	if ($exit->map) {	2770	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2771	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
1840	}	2777	}
1841		2778
1842	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
1843		2780
1844	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
		2783	my $meta = "$RANDOMDIR/$md5.meta";
1846		2784
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
		2787	undef $fh;
		2788	aio_rename "$meta~", $meta;
1849		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
1852	}	2796	}
1853	}	2797	}
1854		2798
1855	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
1859		2803
1860	$self->enter_link;	2804	$self->enter_link;
1861		2805
1862	(async {	2806	(async {
1863	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
1864	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
1865	prepare_random_map $exit	2816	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2817	if $exit->slaying eq "/!";
		2818	}
1867		2819
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
1870		2823
		2824	$self->goto ($map, $x, $y);
		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
1871	1;	2830	1
1872	}) {	2831	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2836
1878	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2838	$self->leave_link;
1880	}	2839	}
1881	})->prio (1);	2840	})->prio (1);
…		…
1894		2853
1895	sub cf::client::send_drawinfo {	2854	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2855	my ($self, $text, $flags) = @_;
1897		2856
1898	utf8::encode $text;	2857	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2859	}
1901		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
		3048	=item $client->ext_msg ($type, @msg)
		3049
		3050	Sends an ext event to the client.
		3051
		3052	=cut
		3053
		3054	sub cf::client::ext_msg($$@) {
		3055	my ($self, $type, @msg) = @_;
		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
		3060	push @msg, msgtype => "event_$type";
		3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
		3081	}
1902		3082
1903	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
1904		3084
1905	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3088
1909	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3090	become reliable at some point in the future.
1911		3091
1912	=cut	3092	=cut
1913		3093
1914	sub cf::client::query {	3094	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3103	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3105
1926	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
1928	}	3110	}
1929		3111
1930	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
1931	on_reply => sub {	3118	on_reply => sub {
1932	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
1933		3120
1934	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
1935	# get handled first	3122	# get handled first
1936	my $queue = delete $ns->{query_queue}	3123	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3125
1939	(shift @$queue)->[1]->($msg);	3126	(shift @$queue)->[1]->($msg);
		3127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3128
1941	push @{ $ns->{query_queue} }, @$queue;	3129	push @{ $ns->{query_queue} }, @$queue;
1942		3130
1943	if (@{ $ns->{query_queue} } == @$queue) {	3131	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3132	if (@$queue) {
…		…
1946	} else {	3134	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3136	}
1949	}	3137	}
1950	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
1951	);	3165	);
1952		3166
1953	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
1954		3168
1955	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
1971		3185
1972	$coro	3186	$coro
1973	}	3187	}
1974		3188
1975	cf::client->attach (	3189	cf::client->attach (
1976	on_destroy => sub {	3190	on_client_destroy => sub {
1977	my ($ns) = @_;	3191	my ($ns) = @_;
1978		3192
1979	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980	},	3194	},
1981	);	3195	);
…		…
1996	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
1998		3212
1999	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2000		3214
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2002		3220
2003	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2004		3222
2005	=pod	3223	=pod
2006		3224
2007	The following fucntions and emthods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2008		3226
2009	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2010	cf::object::player player	3232	cf::object::player
2011	cf::player peaceful	3233	player
2012	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2013		3240
2014	=cut	3241	=cut
2015		3242
2016	for (	3243	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2021	) {	3250	) {
2022	no strict 'refs';	3251	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2042		3271
2043	my $qcode = $code;	3272	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2046		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2047	local $_;	3279	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3280
2050	my $eval =	3281	my $eval =
2051	"do {\n"	3282	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3285	. $code
2055	. "\n}"	3286	. "\n}"
2056	;	3287	;
2057		3288
		3289	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2061		3298
2062	if ($@) {	3299	if ($@) {
2063	warn "$@";	3300	warn "$@";
2064	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2065	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2084	=cut	3321	=cut
2085		3322
2086	sub register_script_function {	3323	sub register_script_function {
2087	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2088		3325
2089	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2091	}	3328	}
2092		3329
2093	=back	3330	=back
2094		3331
2095	=cut	3332	=cut
2096		3333
2097	#############################################################################	3334	#############################################################################
		3335	# the server's init and main functions
2098		3336
2099	=head2 EXTENSION DATABASE SUPPORT	3337	sub load_facedata($) {
		3338	my ($path) = @_;
2100		3339
2101	Crossfire maintains a very simple database for extension use. It can	3340	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3341	# for this (global event?)
2103	excludes objects.	3342	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3343
2105	The parameter C<$family> should best start with the name of the extension	3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3345
2108	=over 4	3346	warn "loading facedata from $path\n";
2109		3347
2110	=item $hashref = cf::db_get $family	3348	my $facedata;
		3349	0 < aio_load $path, $facedata
		3350	or die "$path: $!";
2111		3351
2112	Return a hashref for use by the extension C<$family>, which can be	3352	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3353
2116	=item $value = cf::db_get $family => $key	3354	$facedata->{version} == 2
		3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3356
2118	Returns a single value from the database	3357	# patch in the exptable
2119		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3359	$facedata->{resource}{"res/exp_table"} = {
2121		3360	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3361	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3362	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3363	};
		3364	cf::cede_to_tick;
2171		3365
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3366	{
		3367	my $faces = $facedata->{faceinfo};
2176		3368
2177	sub db_get($;$) {	3369	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3371
2183	sub db_put($$;$) {	3372	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3373	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3376
2192	cf::global->attach (	3377	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3378	}
2197	);
2198	}
2199		3379
2200	#############################################################################	3380	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3381	next unless $info->{smooth};
2202		3382
2203	sub cfg_load {	3383	my $idx = cf::face::find $face
		3384	or next;
		3385
		3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
		3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3389	} else {
		3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3391	}
		3392
		3393	cf::cede_to_tick;
		3394	}
		3395	}
		3396
		3397	{
		3398	my $anims = $facedata->{animinfo};
		3399
		3400	while (my ($anim, $info) = each %$anims) {
		3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3402	cf::cede_to_tick;
		3403	}
		3404
		3405	cf::anim::invalidate_all; # d'oh
		3406	}
		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
		3427	1
		3428	}
		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
		3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
		3473	load_resource_file "$MAPDIR/regions"
		3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
		3480	}
		3481
		3482	sub reload_facedata {
		3483	load_facedata "$DATADIR/facedata"
		3484	or die "unable to load facedata\n";
		3485	}
		3486
		3487	sub reload_archetypes {
		3488	load_resource_file "$DATADIR/archetypes"
		3489	or die "unable to load archetypes\n";
		3490	}
		3491
		3492	sub reload_treasures {
		3493	load_resource_file "$DATADIR/treasures"
		3494	or die "unable to load treasurelists\n";
		3495	}
		3496
		3497	sub reload_resources {
		3498	warn "reloading resource files...\n";
		3499
		3500	reload_facedata;
		3501	reload_archetypes;
		3502	reload_regions;
		3503	reload_treasures;
		3504
		3505	warn "finished reloading resource files\n";
		3506	}
		3507
		3508	sub reload_config {
		3509	warn "reloading config file...\n";
		3510
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3512	or return;
2206		3513
2207	local $/;	3514	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2209		3516
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3518
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3526	};
2220	warn $@ if $@;	3527	warn $@ if $@;
2221	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3559	}
2223		3560
2224	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2225	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3574	(async {
		3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
		3577	})->prio (Coro::PRIO_MAX);
2229	};	3578	};
2230		3579
2231	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
		3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2233	load_extensions;	3603	load_extensions;
2234	Event::loop;	3604
		3605	utime time, time, $RUNTIMEFILE;
		3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2235	}	3618	}
2236		3619
2237	#############################################################################	3620	#############################################################################
2238	# initialisation and cleanup	3621	# initialisation and cleanup
2239		3622
2240	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2241	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2248	},
2249	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2250	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2251	}	3719	}
2252		3720
2253	sub emergency_save() {	3721	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2255		3723
2256	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2257		3725
2258	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2259	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3740	$pl->save;
2267	}	3741	}
2268	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2269		3743
2270	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3747	$map->valid or next;
2274	$map->save;	3748	$map->save;
2275	}	3749	}
2276	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
		3751
		3752	warn "emergency_perl_save: begin database checkpoint\n";
		3753	BDB::db_env_txn_checkpoint $DB_ENV;
		3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2277	};	3759	};
2278		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2279	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2280	}	3767	}
2281		3768
		3769	sub post_cleanup {
		3770	my ($make_core) = @_;
		3771
		3772	warn Carp::longmess "post_cleanup backtrace"
		3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
		3802	}
		3803
2282	sub reload() {	3804	sub do_reload_perl() {
2283	# can/must only be called in main	3805	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2285	warn "can only reload from main coroutine\n";	3807	warn "can only reload from main coroutine";
2286	return;	3808	return;
2287	}	3809	}
2288		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2289	warn "reloading...";	3816	warn "reloading...";
2290		3817
2291	warn "freezing server";	3818	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3819
		3820	cf::sync_job {
		3821	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3822	cf::emergency_save;
		3823	cf::write_runtime_sync; # external watchdog should not bark
2294		3824
2295	warn "sync database to disk";	3825	warn "syncing database to disk";
2296	cf::db_sync;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3827
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2301		3829
2302	warn "cancel all watchers";	3830	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3833	}
2327		3834
2328	Symbol::delete_package $pkg;	3835	warn "cancelling all extension coros";
2329	}	3836	$_->cancel for values %EXT_CORO;
		3837	%EXT_CORO = ();
2330		3838
2331	warn "unload all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335	warn "removing <$k>";	3839	warn "removing commands";
2336	delete $INC{$k};	3840	%COMMAND = ();
2337		3841
2338	$k =~ s/\.pm$//;	3842	warn "removing ext/exti commands";
2339	$k =~ s/\//::/g;	3843	%EXTCMD = ();
		3844	%EXTICMD = ();
2340		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
		3848	warn "... unloading $pkg";
		3849
2341	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2342	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2343	}	3859	}
2344		3860
2345	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2346	}	3876	}
2347		3877
2348	warn "get rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3881
2352	warn "unload cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
		3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3885
2355	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3887	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2358		3889
		3890	warn "unload completed, starting to reload now";
		3891
2359	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2360	require cf;	3893	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2362		3895
2363	warn "load config and database again";	3896	warn "loading config and database again";
2364	cf::cfg_load;	3897	cf::reload_config;
2365	cf::db_load;
2366		3898
2367	warn "load extensions";	3899	warn "loading extensions";
2368	cf::load_extensions;	3900	cf::load_extensions;
2369		3901
		3902	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3904	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3905	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
		3907	warn "reattaching attachments to players";
		3908	reattach $_ for values %PLAYER;
		3909	}
		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
		3914	warn "leaving sync_job";
		3915
		3916	1
		3917	} or do {
		3918	warn $@;
		3919	cf::cleanup "error while reloading, exiting.";
		3920	};
		3921
		3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
		3928	};
		3929
		3930	our $RELOAD_WATCHER; # used only during reload
		3931
		3932	sub reload_perl() {
		3933	# doing reload synchronously and two reloads happen back-to-back,
		3934	# coro crashes during coro_state_free->destroy here.
		3935
		3936	$RELOAD_WATCHER ||= cf::async {
		3937	Coro::AIO::aio_wait cache_extensions;
		3938
		3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3940	do_reload_perl;
		3941	undef $RELOAD_WATCHER;
		3942	};
2374	};	3943	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3944	}
2427		3945
2428	register_command "reload" => sub {	3946	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2430		3948
2431	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
		3953	reload_perl;
		3954	};
2435	}	3955	}
2436	};	3956	};
2437		3957
2438	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2439		3959
2440	$TICK_WATCHER = Event->timer (	3960	my $bug_warning = 0;
2441	reentrant => 0,	3961
2442	prio => 0,	3962	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3963	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3964
2445	cb => sub {	3965	sub wait_for_tick {
		3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3967
		3968	my $signal = new Coro::Signal;
		3969	push @WAIT_FOR_TICK, $signal;
		3970	$signal->wait;
		3971	}
		3972
		3973	sub wait_for_tick_begin {
		3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3975
		3976	my $signal = new Coro::Signal;
		3977	push @WAIT_FOR_TICK_BEGIN, $signal;
		3978	$signal->wait;
		3979	}
		3980
		3981	sub tick {
		3982	if ($Coro::current != $Coro::main) {
		3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3984	unless ++$bug_warning > 10;
		3985	return;
		3986	}
		3987
2446	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3989
2450	$WAIT_FOR_TICK->broadcast;	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452		3991
2453	# if we are delayed by four ticks or more, skip them all	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455		3994	Coro::async_pool {
2456	$TICK_WATCHER->at ($NEXT_TICK);	3995	$Coro::current->{desc} = "runtime saver";
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3996	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3998	};
2480	},	3999	}
2481	);	4000
		4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4002	$sig->send;
		4003	}
		4004	while (my $sig = shift @WAIT_FOR_TICK) {
		4005	$sig->send;
		4006	}
		4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
		4019
		4020	{
		4021	# configure BDB
		4022
		4023	BDB::min_parallel 16;
		4024	BDB::max_poll_reqs $TICK * 0.1;
		4025	$AnyEvent::BDB::WATCHER->priority (1);
		4026
		4027	unless ($DB_ENV) {
		4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4034
		4035	cf::sync_job {
		4036	eval {
		4037	BDB::db_env_open
		4038	$DB_ENV,
		4039	$BDBDIR,
		4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4042	0666;
		4043
		4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4045	};
		4046
		4047	cf::cleanup "db_env_open(db): $@" if $@;
		4048	};
		4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
		4060	}
		4061
		4062	{
		4063	# configure IO::AIO
		4064
		4065	IO::AIO::min_parallel 8;
		4066	IO::AIO::max_poll_time $TICK * 0.1;
		4067	undef $AnyEvent::AIO::WATCHER;
		4068	}
		4069
		4070	my $_log_backtrace;
		4071
		4072	sub _log_backtrace {
		4073	my ($msg, @addr) = @_;
		4074
		4075	$msg =~ s/\n//;
		4076
		4077	# limit the # of concurrent backtraces
		4078	if ($_log_backtrace < 2) {
		4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
		4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
		4084	my @bt = fork_call {
		4085	@addr = map { sprintf "%x", $_ } @addr;
		4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4088	or die "addr2line: $!";
		4089
		4090	my @funcs;
		4091	my @res = <$fh>;
		4092	chomp for @res;
		4093	while (@res) {
		4094	my ($func, $line) = splice @res, 0, 2, ();
		4095	push @funcs, "[$func] $line";
		4096	}
		4097
		4098	@funcs
		4099	};
		4100
		4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4103	LOG llevInfo, "[ABT] $_\n" for @bt;
		4104	--$_log_backtrace;
		4105	};
		4106	} else {
		4107	LOG llevInfo, "[ABT] $msg\n";
		4108	LOG llevInfo, "[ABT] [suppressed]\n";
		4109	}
		4110	}
		4111
		4112	# load additional modules
		4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2482		4115
2483	END { cf::emergency_save }	4116	END { cf::emergency_save }
2484		4117
2485	1	4118	1
2486		4119

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