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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 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
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	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
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	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);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		137
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $REALLY_UNLOOP; # never set to true, please :)
64		150
65	binmode STDOUT;	151	binmode STDOUT;
66	binmode STDERR;	152	binmode STDERR;
67		153
68	# read virtual server time, if available	154	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
73	}	159	}
74		160
75	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		162
81	# a special map that is always available	163	mkdir $_
82	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
83	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::"} };
84		184
85	#############################################################################	185	#############################################################################
86		186
87	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
88		188
…		…
95	=item $cf::RUNTIME	195	=item $cf::RUNTIME
96		196
97	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
98	every server tick.	198	every server tick.
99		199
100	=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
101		203
102	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		208
105	=item $cf::NOW	209	=item $cf::NOW
106		210
107	The time of the last (current) server tick.	211	The time of the last (current) server tick.
108		212
109	=item $cf::TICK	213	=item $cf::TICK
110		214
111	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	227	=item %cf::CFG
114		228
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	230	from wherever your confdir points to.
117		231
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		233
120	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
121	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
122	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.
123	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.
124		249
125	=back	250	=back
126		251
127	=cut	252	=cut
128		253
129	BEGIN {	254	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	255	my $msg = join "", @_;
132	utf8::encode $msg;
133		256
134	$msg .= "\n"	257	$msg .= "\n"
135	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
136		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
137	LOG llevError, $msg;	262	LOG llevError, $msg;
138	};	263	};
139	}	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	};
140		278
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		286
148	# 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
149	# within the Safe compartment.	288	# within the Safe compartment.
150	for my $pkg (qw(	289	for my $pkg (qw(
151	cf::global cf::attachable	290	cf::global cf::attachable
152	cf::object cf::object::player	291	cf::object cf::object::player
153	cf::client cf::player	292	cf::client cf::player
154	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
155	cf::map cf::party cf::region	295	cf::party cf::region
156	)) {	296	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	298	}
160		299
161	$Event::DIED = sub {	300	$EV::DIED = sub {
162	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
163	};	302	};
		303
		304	#############################################################################
164		305
165	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
166		307
167	=over 4	308	=over 4
168		309
…		…
187	$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;
188	$d	329	$d
189	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
190	}	331	}
191		332
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
195		334
196	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
197		336
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
206		338
207	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
208		340
209	=cut	341	=cut
210		342
211	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
213	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;
214	}	360	}
215		361
216	=item cf::lock_wait $string	362	=item cf::lock_wait $string
217		363
218	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
219		365
220	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
221		367
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
225	returned.	371	returned.
226		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
227	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
228	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
229		378
230	=cut	379	=item $locked = cf::lock_active $string
231		380
232	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
233		386
234	sub lock_wait($) {	387	sub lock_wait($) {
235	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	389	}
243		390
244	sub lock_acquire($) {	391	sub lock_acquire($) {
245	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
246		394
247	# wait, to be sure we are not locked	395	sub lock_active($) {
248	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	397	}
257		398
258	sub freeze_mainloop {	399	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
260		401
261	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	403	}
263	$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	$sig->wait;
264	}	485	}
265		486
266	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
267		488
268	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		494
274	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
275		496
276	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
277		498
278	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
281		503
282	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
285	fast or be very important.	507	fast or be very important.
…		…
288		510
289	sub sync_job(&) {	511	sub sync_job(&) {
290	my ($job) = @_;	512	my ($job) = @_;
291		513
292	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
293	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
295		519
296	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	521
298	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
299		523
300	my $busy = 1;	524	my $busy = 1;
301	my @res;	525	my @res;
302		526
303	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	529	@res = eval { $job->() };
305	warn $@ if $@;	530	warn $@ if $@;
306	undef $busy;	531	undef $busy;
307	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
308		533
309	while ($busy) {	534	while ($busy) {
310	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
311	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
312		545
313	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
314	} else {	547	} else {
315	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
316		549
…		…
336	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
337		570
338	$coro	571	$coro
339	}	572	}
340		573
341	sub write_runtime {	574	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		575
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
345	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.
346		580
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		582
351	aio_fsync $fh	583	sub fork_call(&@) {
352	and return;	584	my ($cb, @args) = @_;
353		585
354	close $fh	586	# we seemingly have to make a local copy of the whole thing,
355	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
356		589
357	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
358	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
359		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
360	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 });
361	}	772	}
362		773
363	=back	774	=back
364		775
365	=cut	776	=cut
366		777
367	#############################################################################	778	#############################################################################
368		779
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530
531	#############################################################################
532
533	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
534		781
535	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
536	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")
537	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
538		785
539	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>
540	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
541	crossfire+).	788	Deliantra).
542		789
543	=over 4	790	=over 4
544		791
545	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
546		793
…		…
590	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
591		838
592	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
593	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
594		841
595	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
596	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.
597		844
598	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
599		846
600	=over 4	847	=over 4
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	908	our @CB_MAP = ();
662		909
663	my %attachment;	910	my %attachment;
664		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
665	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
667		920
668	use sort 'stable';	921	use sort 'stable';
669		922
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
704		957
705	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		962
710	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	964	my $pkg = shift @arg;
712		965
713	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
743	}	996	}
744		997
745	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
746	} else {	999	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	1001	}
749		1002
750	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
751	}	1004	}
752		1005
…		…
754	if (ref $_[0]) {	1007	if (ref $_[0]) {
755	_object_attach @_;	1008	_object_attach @_;
756	} else {	1009	} else {
757	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
758	}	1011	}
		1012	_recalc_want;
759	};	1013	};
760		1014
761	# all those should be optimised	1015	# all those should be optimised
762	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
767	reattach ($obj);	1021	reattach ($obj);
768	} else {	1022	} else {
769	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
770	}	1024	}
		1025	_recalc_want;
771	};	1026	};
772		1027
773	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
775		1030
…		…
790	";	1045	";
791	die if $@;	1046	die if $@;
792	}	1047	}
793		1048
794	our $override;	1049	our $override;
795	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?
796		1051
797	sub override {	1052	sub override {
798	$override = 1;	1053	$override = 1;
799	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
800	}	1055	}
801		1056
802	sub do_invoke {	1057	sub do_invoke {
803	my $event = shift;	1058	my $event = shift;
804	my $callbacks = shift;	1059	my $callbacks = shift;
805		1060
806	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
807		1062
808	local $override;	1063	local $override;
809		1064
810	for (@$callbacks) {	1065	for (@$callbacks) {
811	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
820	}	1075	}
821		1076
822	0	1077	0
823	}	1078	}
824		1079
825	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
826		1081
827	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
828		1083
829	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
830		1085
831	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
832	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
833	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
834		1089
835	=back	1090	=back
836		1091
837	=cut	1092	=cut
838		1093
839	#############################################################################	1094	#############################################################################
840	# 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	}
841		1138
842	sub reattach {	1139	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
844	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
845		1145
846	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
847		1147
848	@$registry = ();	1148	@$registry = ();
849		1149
…		…
864	cf::attachable->attach (	1164	cf::attachable->attach (
865	prio => -1000000,	1165	prio => -1000000,
866	on_instantiate => sub {	1166	on_instantiate => sub {
867	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
868		1168
869	$data = from_json $data;	1169	$data = decode_json $data;
870		1170
871	for (@$data) {	1171	for (@$data) {
872	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
873		1173
874	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
890	sub object_freezer_save {	1190	sub object_freezer_save {
891	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
892		1192
893	sync_job {	1193	sync_job {
894	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
895	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
896	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
897		1198
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
900	aio_write $fh, 0, (length $$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;
901	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
902	close $fh;	1206	aio_close $fh;
903		1207
904	if (@$objs) {	1208	if (@$objs) {
905	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) {
906	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
908	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;
909	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
910	close $fh;	1217	aio_close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
912	}	1219	}
913	} else {	1220	} else {
914	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
915	}	1222	}
916		1223
917	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
918	} else {	1228	} else {
919	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
920	}	1230	}
921	} else {	1231	} else {
922	aio_unlink $filename;	1232	aio_unlink $filename;
923	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
924	}	1234	}
925	}	1235	};
926	}	1236	}
927		1237
928	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
929	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
930		1240
…		…
942	or return;	1252	or return;
943		1253
944	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
945	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
946	or return;	1256	or return;
		1257
947	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
948	}	1260	}
949		1261
		1262	utf8::decode (my $decname = $filename);
950	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
952	return ($data, $av);	1266	($data, $av)
953	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
954		1274
955	#############################################################################	1275	#############################################################################
956	# command handling &c	1276	# command handling &c
957		1277
958	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1292	}
973		1293
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1295
976	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.
977		1301
978	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
979	called.	1303	called.
980		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
981	=cut	1316	=cut
982		1317
983	sub register_extcmd {	1318	sub register_extcmd {
984	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
985		1320
986	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
987	}	1322	}
988		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
989	cf::player->attach (	1332	cf::player->attach (
990	on_command => sub {	1333	on_unknown_command => sub {
991	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
992		1335
993	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
994	or return;	1337	or return;
995		1338
…		…
1000	cf::override;	1343	cf::override;
1001	},	1344	},
1002	on_extcmd => sub {	1345	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1004		1347
1005	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1349
1007	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
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1010	$pl->ext_reply ($msg->{msgid}, %reply);
1011	}
1012	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1013	} else {	1365	} else {
1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1015	}	1367	}
1016		1368
1017	cf::override;	1369	cf::override;
1018	},	1370	},
1019	);	1371	);
1020		1372
		1373	# "readahead" all extensions
1021	sub load_extension {	1374	sub cache_extensions {
1022	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
1023		1376
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1025	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
1026	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1027	$pkg =~ s/[^[:word:]]/_/g;	1380	}
1028	$pkg = "ext::$pkg";	1381	};
1029		1382
1030	warn "... loading '$path' into '$pkg'\n";	1383	$grp
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}	1384	}
1047		1385
1048	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1049	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1391	next unless -r $path;
1051	eval {	1392
1052	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	}
1053	1	1456	}
1054	} 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	}
1055	}	1467	};
1056	}	1468	}
1057		1469
1058	#############################################################################	1470	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1471
1061	*cf::mapsupport::on_clean = sub {	1472	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1473
1074	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1075		1475
1076	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1077		1477
1078	=cut	1478	=cut
1079		1479
1080	package cf::player;	1480	package cf::player;
1081		1481
…		…
1083		1483
1084	=head3 cf::player	1484	=head3 cf::player
1085		1485
1086	=over 4	1486	=over 4
1087		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
1088	=item cf::player::find $login	1502	=item cf::player::find $login
1089		1503
1090	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1091		1505
1092	=cut	1506	=cut
1093		1507
1094	sub playerdir($) {	1508	sub playerdir($) {
1095	cf::localdir	1509	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1511	}
1101		1512
1102	sub path($) {	1513	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1515
1105	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1106	}	1517	}
1107		1518
1108	sub find_active($) {	1519	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1113		1524
1114	sub exists($) {	1525	sub exists($) {
1115	my ($login) = @_;	1526	my ($login) = @_;
1116		1527
1117	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1119	}	1530	}
1120		1531
1121	sub find($) {	1532	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1534	my $login = $_[0];
1124		1535
1125	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1126		1537
1127	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1128	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
1129	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;
1130	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1131	}	1555	}
1132	}	1556	}
1133	}	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	);
1134		1571
1135	sub save($) {	1572	sub save($) {
1136	my ($pl) = @_;	1573	my ($pl) = @_;
1137		1574
1138	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1143	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1144		1581
1145	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1146	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1147		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
1148	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1149	Coro::cede;	1591	cf::cede_to_tick;
1150	}	1592	}
1151		1593
1152	sub new($) {	1594	sub new($) {
1153	my ($login) = @_;	1595	my ($login) = @_;
1154		1596
…		…
1160	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1161		1603
1162	$self	1604	$self
1163	}	1605	}
1164		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
1165	=item $pl->quit_character	1617	=item $pl->quit_character
1166		1618
1167	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
1168	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1169		1621
1170	=cut	1622	=cut
1171		1623
1172	sub quit_character {	1624	sub quit_character {
1173	my ($pl) = @_;	1625	my ($pl) = @_;
1174		1626
		1627	my $name = $pl->ob->name;
		1628
1175	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1176	$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
1177		1631
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1179	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1180	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1181	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1182		1638
1183	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1187	$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
1188	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;
1189	}	1665	}
1190		1666
1191	=item cf::player::list_logins	1667	=item cf::player::list_logins
1192		1668
1193	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
1194	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1195		1671
1196	=cut	1672	=cut
1197		1673
1198	sub list_logins {	1674	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1676	or return [];
1201		1677
1202	my @logins;	1678	my @logins;
1203		1679
1204	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") {
1205	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1206	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1207	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1208		1690
1209	utf8::decode $login;	1691	utf8::decode $login;
1210	push @logins, $login;	1692	push @logins, $login;
1211	}	1693	}
1212		1694
1213	\@logins	1695	\@logins
1214	}	1696	}
1215		1697
1216	=item $player->maps	1698	=item $player->maps
1217		1699
1218	Returns an arrayref of cf::path's of all maps that are private for this	1700	Returns an arrayref of map paths that are private for this
1219	player. May block.	1701	player. May block.
1220		1702
1221	=cut	1703	=cut
1222		1704
1223	sub maps($) {	1705	sub maps($) {
1224	my ($pl) = @_;	1706	my ($pl) = @_;
		1707
		1708	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1709
1226	my $files = aio_readdir playerdir $pl	1710	my $files = aio_readdir playerdir $pl
1227	or return;	1711	or return;
1228		1712
1229	my @paths;	1713	my @paths;
…		…
1231	for (@$files) {	1715	for (@$files) {
1232	utf8::decode $_;	1716	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1717	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1718	next unless /^$PATH_SEP/o;
1235		1719
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1720	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1721	}
1238		1722
1239	\@paths	1723	\@paths
1240	}	1724	}
1241		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1243		1731
1244	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1245		1733
1246	=cut	1734	=cut
1247		1735
1248	sub ext_reply($$$%) {	1736	sub ext_reply($$@) {
1249	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1250		1738
1251	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1252
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1740	}
1255		1741
1256	package cf;	1742	=item $player->ext_msg ($type, @msg)
		1743
		1744	Sends an ext event to the client.
		1745
		1746	=cut
		1747
		1748	sub ext_msg($$@) {
		1749	my ($self, $type, @msg) = @_;
		1750
		1751	$self->ns->ext_msg ($type, @msg);
		1752	}
		1753
		1754	=head3 cf::region
		1755
		1756	=over 4
		1757
		1758	=cut
		1759
		1760	package cf::region;
		1761
		1762	=item cf::region::find_by_path $path
		1763
		1764	Tries to decuce the likely region for a map knowing only its path.
		1765
		1766	=cut
		1767
		1768	sub find_by_path($) {
		1769	my ($path) = @_;
		1770
		1771	my ($match, $specificity);
		1772
		1773	for my $region (list) {
		1774	if ($region->{match} && $path =~ $region->{match}) {
		1775	($match, $specificity) = ($region, $region->specificity)
		1776	if $region->specificity > $specificity;
		1777	}
		1778	}
		1779
		1780	$match
		1781	}
1257		1782
1258	=back	1783	=back
1259
1260		1784
1261	=head3 cf::map	1785	=head3 cf::map
1262		1786
1263	=over 4	1787	=over 4
1264		1788
…		…
1267	package cf::map;	1791	package cf::map;
1268		1792
1269	use Fcntl;	1793	use Fcntl;
1270	use Coro::AIO;	1794	use Coro::AIO;
1271		1795
		1796	use overload
		1797	'""' => \&as_string,
		1798	fallback => 1;
		1799
1272	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1274		1802
1275	sub generate_random_map {	1803	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1277		1807
1278	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1809	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1286	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1287	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1819	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1820	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1821	)
1293	}	1822	}
1294		1823
1295	# and all this just because we cannot iterate over	1824	=item cf::map->register ($regex, $prio)
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;
1299		1825
1300	$_->change_map_light ($change)	1826	Register a handler for the map path matching the given regex at the
1301	for grep $_->outdoor, values %cf::MAP;	1827	givne priority (higher is better, built-in handlers have priority 0, the
1302	}	1828	default).
1303		1829
1304	sub load_map_header($) {	1830	=cut
		1831
		1832	sub register {
		1833	my (undef, $regex, $prio) = @_;
		1834	my $pkg = caller;
		1835
		1836	no strict;
		1837	push @{"$pkg\::ISA"}, __PACKAGE__;
		1838
		1839	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1840	}
		1841
		1842	# also paths starting with '/'
		1843	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1844
		1845	sub thawer_merge {
		1846	my ($self, $merge) = @_;
		1847
		1848	# we have to keep some variables in memory intact
		1849	local $self->{path};
		1850	local $self->{load_path};
		1851
		1852	$self->SUPER::thawer_merge ($merge);
		1853	}
		1854
		1855	sub normalise {
1305	my ($path) = @_;	1856	my ($path, $base) = @_;
		1857
		1858	$path = "$path"; # make sure its a string
		1859
		1860	$path =~ s/\.map$//;
		1861
		1862	# map plan:
		1863	#
		1864	# /! non-realised random map exit (special hack!)
		1865	# {... are special paths that are not being touched
		1866	# ?xxx/... are special absolute paths
		1867	# ?random/... random maps
		1868	# /... normal maps
		1869	# ~user/... per-player map of a specific user
		1870
		1871	$path =~ s/$PATH_SEP/\//go;
		1872
		1873	# treat it as relative path if it starts with
		1874	# something that looks reasonable
		1875	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1876	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1877
		1878	$base =~ s{[^/]+/?$}{};
		1879	$path = "$base/$path";
		1880	}
		1881
		1882	for ($path) {
		1883	redo if s{//}{/};
		1884	redo if s{/\.?/}{/};
		1885	redo if s{/[^/]+/\.\./}{/};
		1886	}
		1887
		1888	$path
		1889	}
		1890
		1891	sub new_from_path {
		1892	my (undef, $path, $base) = @_;
		1893
		1894	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1895
		1896	$path = normalise $path, $base;
		1897
		1898	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1899	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1900	my $self = bless cf::map::new, $pkg;
		1901	$self->{path} = $path; $self->path ($path);
		1902	$self->init; # pass $1 etc.
		1903	return $self;
		1904	}
		1905	}
		1906
		1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1908	()
		1909	}
		1910
		1911	sub init {
		1912	my ($self) = @_;
		1913
		1914	$self
		1915	}
		1916
		1917	sub as_string {
		1918	my ($self) = @_;
		1919
		1920	"$self->{path}"
		1921	}
		1922
		1923	# the displayed name, this is a one way mapping
		1924	sub visible_name {
		1925	&as_string
		1926	}
		1927
		1928	# the original (read-only) location
		1929	sub load_path {
		1930	my ($self) = @_;
		1931
		1932	"$MAPDIR/$self->{path}.map"
		1933	}
		1934
		1935	# the temporary/swap location
		1936	sub save_path {
		1937	my ($self) = @_;
		1938
		1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1940	"$TMPDIR/$path.map"
		1941	}
		1942
		1943	# the unique path, undef == no special unique path
		1944	sub uniq_path {
		1945	my ($self) = @_;
		1946
		1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$UNIQUEDIR/$path"
		1949	}
		1950
		1951	sub decay_objects {
		1952	my ($self) = @_;
		1953
		1954	return if $self->{deny_reset};
		1955
		1956	$self->do_decay_objects;
		1957	}
		1958
		1959	sub unlink_save {
		1960	my ($self) = @_;
		1961
		1962	utf8::encode (my $save = $self->save_path);
		1963	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1964	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1965	}
		1966
		1967	sub load_header_from($) {
		1968	my ($self, $path) = @_;
1306		1969
1307	utf8::encode $path;	1970	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1309	or return;	1972	or return;
1310		1973
1311	my $map = cf::map::new	1974	$self->_load_header ($f)
1312	or return;	1975	or return;
1313		1976
1314	# for better error messages only, will be overwritten later	1977	local $MAP_LOADING{$self->{path}} = $self;
1315	$map->path ($path);	1978	$f->resolve_delayed_derefs;
1316		1979
1317	$map->load_header ($path)	1980	$self->{load_path} = $path;
		1981
		1982	1
		1983	}
		1984
		1985	sub load_header_orig {
		1986	my ($self) = @_;
		1987
		1988	$self->load_header_from ($self->load_path)
		1989	}
		1990
		1991	sub load_header_temp {
		1992	my ($self) = @_;
		1993
		1994	$self->load_header_from ($self->save_path)
		1995	}
		1996
		1997	sub prepare_temp {
		1998	my ($self) = @_;
		1999
		2000	$self->last_access ((delete $self->{last_access})
		2001	|| $cf::RUNTIME); #d#
		2002	# safety
		2003	$self->{instantiate_time} = $cf::RUNTIME
		2004	if $self->{instantiate_time} > $cf::RUNTIME;
		2005	}
		2006
		2007	sub prepare_orig {
		2008	my ($self) = @_;
		2009
		2010	$self->{load_original} = 1;
		2011	$self->{instantiate_time} = $cf::RUNTIME;
		2012	$self->last_access ($cf::RUNTIME);
		2013	$self->instantiate;
		2014	}
		2015
		2016	sub load_header {
		2017	my ($self) = @_;
		2018
		2019	if ($self->load_header_temp) {
		2020	$self->prepare_temp;
		2021	} else {
		2022	$self->load_header_orig
1318	or return;	2023	or return;
		2024	$self->prepare_orig;
		2025	}
1319		2026
1320	$map->{load_path} = $path;	2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
1321		2029
1322	$map	2030	$self->default_region (cf::region::find_by_path $self->{path})
		2031	unless $self->default_region;
		2032
		2033	1
1323	}	2034	}
1324		2035
1325	sub find;	2036	sub find;
1326	sub find {	2037	sub find {
1327	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1328		2039
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		2041
1334	cf::lock_wait "map_find:$key";	2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1335
1336	$cf::MAP{$key} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1338		2044
1339	# do it the slow way	2045	$cf::MAP{$path} || do {
1340	my $map = $path->load_temp;	2046	my $map = new_from_path cf::map $path
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	2047	or return;
1353		2048
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1366		2050
1367	Coro::cede;	2051	$map->load_header
		2052	or return;
1368		2053
1369	if ($map->should_reset) {	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2055	# doing this can freeze the server in a sync job, obviously
		2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1370	$map->reset;	2059	$map->reset;
1371	undef $guard;
1372	$map = find $path	2060	return find $path;
1373	or return;
1374	}	2061	}
1375		2062
1376	$cf::MAP{$key} = $map	2063	$cf::MAP{$path} = $map
1377	}	2064	}
1378	}	2065	}
		2066
		2067	sub pre_load { }
		2068	#sub post_load { } # XS
1379		2069
1380	sub load {	2070	sub load {
1381	my ($self) = @_;	2071	my ($self) = @_;
1382		2072
		2073	local $self->{deny_reset} = 1; # loading can take a long time
		2074
1383	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2078	my $guard = cf::lock_acquire "map_data:$path";
1385		2079
		2080	return unless $self->valid;
1386	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1387		2082
1388	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1389		2084
1390	$self->alloc;	2085	$self->alloc;
1391	$self->load_objects ($self->{load_path}, 1)	2086
		2087	$self->pre_load;
		2088	cf::cede_to_tick;
		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1392	or return;	2093	or return;
1393		2094
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1395	if delete $self->{load_original};	2096	if delete $self->{load_original};
1396		2097
1397	if (my $uniq = $path->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	2099	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1400	$self->clear_unique_items;	2102	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1402	}	2106	}
1403	}	2107	}
1404		2108
1405	Coro::cede;	2109	$f->resolve_delayed_derefs;
1406		2110
		2111	cf::cede_to_tick;
1407	# now do the right thing for maps	2112	# now do the right thing for maps
1408	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	2115	unless $self->difficulty;
		2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1420	$self->activate;	2123	$self->activate;
1421	}	2124	}
1422		2125
1423	Coro::cede;	2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
1424		2128
1425	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
		2130	}
		2131
		2132	$self->post_load;
		2133	}
		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
		2138	sub customise_for {
		2139	my ($self, $ob) = @_;
		2140
		2141	return find "~" . $ob->name . "/" . $self->{path}
		2142	if $self->per_player;
		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
		2147	$self
1426	}	2148	}
1427		2149
1428	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	2151	sub load_neighbours {
1430	my ($map) = @_;	2152	my ($map) = @_;
1431		2153
1432	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1433		2155
1434	for (0 .. 3) {	2156	for (0 .. 3) {
1435	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1436	or next;	2158	or next;
1437	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1438	or next;	2160	or next;
1439	$neigh->load;	2161	$neigh->load;
1440		2162
		2163	push @neigh,
1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1443	}	2166	}
1444		2167
1445	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1446	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1447	or next;	2171	or next;
1448	$neigh->load;	2172	$neigh->load;
1449	}	2173	}
1450	}	2174	}
1451		2175
…		…
1456	}	2180	}
1457		2181
1458	sub do_load_sync {	2182	sub do_load_sync {
1459	my ($map) = @_;	2183	my ($map) = @_;
1460		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1461	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1462	}	2189	}
1463		2190
1464	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
		2192	our $MAP_PREFETCHER = undef;
		2193
		2194	sub find_async {
		2195	my ($path, $origin, $load) = @_;
		2196
		2197	$path = normalise $path, $origin && $origin->{path};
		2198
		2199	if (my $map = $cf::MAP{$path}) {
		2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
1465	our $MAP_PREFETCHER = Coro::async {	2205	$MAP_PREFETCHER ||= cf::async {
1466	while () {	2206	$Coro::current->{desc} = "map prefetcher";
		2207
1467	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1469	or next;	2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
1470	my $path = delete $MAP_PREFETCH{$key};	2214	delete $MAP_PREFETCH{$k};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}	2215	}
1476	Coro::schedule;	2216	}
		2217	undef $MAP_PREFETCHER;
1477	}	2218	};
1478	};
1479
1480	sub find_async {
1481	my ($path, $origin) = @_;
1482
1483	$path = new cf::path $path, $origin && $origin->path;
1484	my $key = $path->as_string;
1485
1486	if (my $map = $cf::MAP{$key}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}
1489
1490	$MAP_PREFETCH{$key} = $path;
1491	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1492		2220
1493	()	2221	()
		2222	}
		2223
		2224	# common code, used by both ->save and ->swapout
		2225	sub _save {
		2226	my ($self) = @_;
		2227
		2228	$self->{last_save} = $cf::RUNTIME;
		2229
		2230	return unless $self->dirty;
		2231
		2232	my $save = $self->save_path; utf8::encode $save;
		2233	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2234
		2235	$self->{load_path} = $save;
		2236
		2237	return if $self->{deny_save};
		2238
		2239	local $self->{last_access} = $self->last_access;#d#
		2240
		2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
		2243	$_->contr->save for $self->players;
		2244	};
		2245
		2246	cf::get_slot 0.02;
		2247
		2248	if ($uniq) {
		2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2251	} else {
		2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2253	}
1494	}	2254	}
1495		2255
1496	sub save {	2256	sub save {
1497	my ($self) = @_;	2257	my ($self) = @_;
1498		2258
1499	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1500		2260
1501	$self->{last_save} = $cf::RUNTIME;	2261	$self->_save;
1502
1503	return unless $self->dirty;
1504
1505	my $save = $self->{path}->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1507
1508	$self->{load_path} = $save;
1509
1510	return if $self->{deny_save};
1511
1512	local $self->{last_access} = $self->last_access;#d#
1513
1514	cf::async {
1515	$_->contr->save for $self->players;
1516	};
1517
1518	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}
1524	}	2262	}
1525		2263
1526	sub swap_out {	2264	sub swap_out {
1527	my ($self) = @_;	2265	my ($self) = @_;
1528		2266
1529	# save first because save cedes
1530	$self->save;
1531
1532	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1533		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1534	return if $self->players;	2271	return if $self->players;
1535	return if $self->in_memory != cf::MAP_IN_MEMORY;
1536	return if $self->{deny_save};
1537		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1538	$self->clear;	2282	$self->clear;
1539	$self->in_memory (cf::MAP_SWAPPED);
1540	}	2283	}
1541		2284
1542	sub reset_at {	2285	sub reset_at {
1543	my ($self) = @_;	2286	my ($self) = @_;
1544		2287
1545	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1548		2290
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		2293
…		…
1556	my ($self) = @_;	2298	my ($self) = @_;
1557		2299
1558	$self->reset_at <= $cf::RUNTIME	2300	$self->reset_at <= $cf::RUNTIME
1559	}	2301	}
1560		2302
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2303	sub reset {
1575	my ($self) = @_;	2304	my ($self) = @_;
1576		2305
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2307
1579	return if $self->players;	2308	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2309
1582	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
		2311
		2312	$self->in_memory (cf::MAP_SWAPPED);
		2313
		2314	# need to save uniques path
		2315	unless ($self->{deny_save}) {
		2316	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2317
		2318	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2319	if $uniq;
		2320	}
1583		2321
1584	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1585		2323
		2324	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2325	$_->clear_links_to ($self) for values %cf::MAP;
		2326	$self->clear;
1587		2327
1588	$self->{path}->unlink_save;	2328	$self->unlink_save;
1589	$self->destroy;	2329	$self->destroy;
1590	}	2330	}
1591		2331
1592	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1593		2333
1594	sub nuke {	2334	sub nuke {
1595	my ($self) = @_;	2335	my ($self) = @_;
1596		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
		2340	delete $cf::MAP{$self->path};
		2341
		2342	$self->unlink_save;
		2343
		2344	bless $self, "cf::map";
		2345	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2349
		2350	$cf::MAP{$self->path} = $self;
		2351	}
		2352
1600	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
1601	}	2354	}
1602		2355
1603	sub customise_for {	2356	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2357
1606	if ($map->per_player) {	2358	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
1608	}	2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
1609		2373
1610	$map	2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1611	}	2390	}
1612		2391
1613	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1614		2393
1615	Returns an arrayref of cf::path's of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2395	instantiated unique items. May block.
1617		2396
1618	=cut	2397	=cut
1619		2398
1620	sub unique_maps() {	2399	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2400	[
1622	or return;	2401	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2402	utf8::decode $_;
1628	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2405	? ()
1631	push @paths, new cf::path $_;	2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2408	]
1633
1634	\@paths
1635	}	2409	}
1636		2410
1637	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1638		2442
1639	=back	2443	=back
1640		2444
1641	=head3 cf::object	2445	=head3 cf::object
1642		2446
…		…
1646		2450
1647	=over 4	2451	=over 4
1648		2452
1649	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1650		2454
1651	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1652		2457
1653	=cut	2458	=cut
1654		2459
1655	sub inv_recursive_;	2460	sub inv_recursive_;
1656	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1659		2464
1660	sub inv_recursive {	2465	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1662	}	2467	}
1663		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1664	package cf;	2497	package cf;
1665		2498
1666	=back	2499	=back
1667		2500
1668	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1677		2510
1678	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1679		2526
1680	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2528	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1685		2532
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2534
1688	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1690	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1693	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1694	}	2560	}
1695		2561
1696	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1697		2563
1698	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1711		2577
1712	=item $player_object->enter_link	2578	=item $player_object->enter_link
1713		2579
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2581
1716	The player should be reaosnably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
		2586
		2587	Will never block.
1718		2588
1719	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1720		2590
1721	Moves the player out of the specila link map onto the given map. If the	2591	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2592	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2593	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2594	fails, to the emergency map position.
1725		2595
1726	Might block.	2596	Might block.
1727		2597
1728	=cut	2598	=cut
		2599
		2600	sub link_map {
		2601	unless ($LINK_MAP) {
		2602	$LINK_MAP = cf::map::find "{link}"
		2603	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2604	$LINK_MAP->load;
		2605	}
		2606
		2607	$LINK_MAP
		2608	}
1729		2609
1730	sub cf::object::player::enter_link {	2610	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2611	my ($self) = @_;
1732		2612
1733	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1734		2614
1735	return if $self->map == $LINK_MAP;	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2616
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1739		2619
1740	$self->enter_map ($LINK_MAP, 20, 20);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2621	}
1742		2622
1743	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1745		2627
1746	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1747		2629
1748	unless ($map) {	2630	unless ($map) {
1749	# restore original map position	2631	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1762		2644
1763	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1766		2648
1767	$map->load;	2649	$map->load;
1768	$map->load_diag;	2650	$map->load_neighbours;
1769		2651
1770	return unless $self->contr->active;	2652	return unless $self->contr->active;
		2653
		2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2658	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2659	}
1774		2660
1775	cf::player->attach (	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2662
1779	# abort map switching before logout	2663	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2664	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2666	the new (success) or old (failed) map position. In either case, $done will
1783	};	2667	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2668
1789	# try to abort aborted map switching on player login :)	2669	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2670	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2671
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1810		2675
1811	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2678
1814	$path = new cf::path $path;	2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2681
1816	$self->enter_link;	2682	$self->enter_link;
1817		2683
1818	(async {	2684	(async {
1819	my $map = cf::map::find $path->as_string;	2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
		2706	my $map = eval {
		2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
1821		2711	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2712	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
1826		2715
		2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
		2722	}
		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1828	})->prio (1);	2730	})->prio (1);
1829	}	2731	}
1830		2732
1831	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1832		2734
…		…
1834		2736
1835	sub parse_random_map_params {	2737	sub parse_random_map_params {
1836	my ($spec) = @_;	2738	my ($spec) = @_;
1837		2739
1838	my $rmp = { # defaults	2740	my $rmp = { # defaults
1839	xsize => 10,	2741	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2742	ysize => (cf::rndm 15, 40),
		2743	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2744	#layout => string,
1841	};	2745	};
1842		2746
1843	for (split /\n/, $spec) {	2747	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2748	my ($k, $v) = split /\s+/, $_, 2;
1845		2749
…		…
1857	# that depends on the exit object	2761	# that depends on the exit object
1858		2762
1859	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
1860		2764
1861	if ($exit->map) {	2765	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2766	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
1866	}	2772	}
1867		2773
1868	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
1869		2775
1870	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
		2778	my $meta = "$RANDOMDIR/$md5.meta";
1872		2779
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
		2782	undef $fh;
		2783	aio_rename "$meta~", $meta;
1875		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
1878	}	2791	}
1879	}	2792	}
1880		2793
1881	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
1885		2798
1886	$self->enter_link;	2799	$self->enter_link;
1887		2800
1888	(async {	2801	(async {
1889	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
1890	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
1891	prepare_random_map $exit	2811	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2812	if $exit->slaying eq "/!";
		2813	}
1893		2814
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
1896		2818
		2819	$self->goto ($map, $x, $y);
		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
1897	1;	2825	1
1898	}) {	2826	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2831
1904	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2833	$self->leave_link;
1906	}	2834	}
1907	})->prio (1);	2835	})->prio (1);
…		…
1920		2848
1921	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
1923		2851
1924	utf8::encode $text;	2852	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2854	}
1927		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
		3043	=item $client->ext_msg ($type, @msg)
		3044
		3045	Sends an ext event to the client.
		3046
		3047	=cut
		3048
		3049	sub cf::client::ext_msg($$@) {
		3050	my ($self, $type, @msg) = @_;
		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
		3055	push @msg, msgtype => "event_$type";
		3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
		3076	}
1928		3077
1929	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
1930		3079
1931	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		3083
1935	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	3085	become reliable at some point in the future.
1937		3086
1938	=cut	3087	=cut
1939		3088
1940	sub cf::client::query {	3089	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3098	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3100
1952	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
1954	}	3105	}
1955		3106
1956	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
1957	on_reply => sub {	3113	on_reply => sub {
1958	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
1959		3115
1960	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
1961	# get handled first	3117	# get handled first
1962	my $queue = delete $ns->{query_queue}	3118	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3119	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3120
1965	(shift @$queue)->[1]->($msg);	3121	(shift @$queue)->[1]->($msg);
		3122	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3123
1967	push @{ $ns->{query_queue} }, @$queue;	3124	push @{ $ns->{query_queue} }, @$queue;
1968		3125
1969	if (@{ $ns->{query_queue} } == @$queue) {	3126	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3127	if (@$queue) {
…		…
1972	} else {	3129	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3131	}
1975	}	3132	}
1976	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
1977	);	3160	);
1978		3161
1979	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
1980		3163
1981	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3180
1998	$coro	3181	$coro
1999	}	3182	}
2000		3183
2001	cf::client->attach (	3184	cf::client->attach (
2002	on_destroy => sub {	3185	on_client_destroy => sub {
2003	my ($ns) = @_;	3186	my ($ns) = @_;
2004		3187
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3189	},
2007	);	3190	);
…		…
2022	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2024		3207
2025	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2026		3209
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2028		3215
2029	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2030		3217
2031	=pod	3218	=pod
2032		3219
2033	The following fucntions and emthods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2034		3221
2035	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2036	cf::object::player player	3227	cf::object::player
2037	cf::player peaceful	3228	player
2038	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2039		3235
2040	=cut	3236	=cut
2041		3237
2042	for (	3238	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2047	) {	3245	) {
2048	no strict 'refs';	3246	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2068		3266
2069	my $qcode = $code;	3267	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2072		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2073	local $_;	3274	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3275
2076	my $eval =	3276	my $eval =
2077	"do {\n"	3277	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3280	. $code
2081	. "\n}"	3281	. "\n}"
2082	;	3282	;
2083		3283
		3284	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2087		3293
2088	if ($@) {	3294	if ($@) {
2089	warn "$@";	3295	warn "$@";
2090	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2091	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2110	=cut	3316	=cut
2111		3317
2112	sub register_script_function {	3318	sub register_script_function {
2113	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2114		3320
2115	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2117	}	3323	}
2118		3324
2119	=back	3325	=back
2120		3326
2121	=cut	3327	=cut
2122		3328
2123	#############################################################################	3329	#############################################################################
		3330	# the server's init and main functions
2124		3331
2125	=head2 EXTENSION DATABASE SUPPORT	3332	sub load_facedata($) {
		3333	my ($path) = @_;
2126		3334
2127	Crossfire maintains a very simple database for extension use. It can	3335	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3336	# for this (global event?)
2129	excludes objects.	3337	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3338
2131	The parameter C<$family> should best start with the name of the extension	3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3340
2134	=over 4	3341	warn "loading facedata from $path\n";
2135		3342
2136	=item $hashref = cf::db_get $family	3343	my $facedata;
		3344	0 < aio_load $path, $facedata
		3345	or die "$path: $!";
2137		3346
2138	Return a hashref for use by the extension C<$family>, which can be	3347	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3348
2142	=item $value = cf::db_get $family => $key	3349	$facedata->{version} == 2
		3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3351
2144	Returns a single value from the database	3352	# patch in the exptable
2145		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146	=item cf::db_put $family => $hashref	3354	$facedata->{resource}{"res/exp_table"} = {
2147		3355	type => FT_RSRC,
2148	Stores the given family hashref into the database. Updates are delayed, if	3356	data => $exp_table,
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3357	hash => (Digest::MD5::md5 $exp_table),
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3358	};
		3359	cf::cede_to_tick;
2197		3360
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3361	{
		3362	my $faces = $facedata->{faceinfo};
2202		3363
2203	sub db_get($;$) {	3364	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3366
2209	sub db_put($$;$) {	3367	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3368	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3371
2218	cf::global->attach (	3372	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3373	}
2223	);
2224	}
2225		3374
2226	#############################################################################	3375	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3376	next unless $info->{smooth};
2228		3377
2229	sub cfg_load {	3378	my $idx = cf::face::find $face
		3379	or next;
		3380
		3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
		3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3384	} else {
		3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3386	}
		3387
		3388	cf::cede_to_tick;
		3389	}
		3390	}
		3391
		3392	{
		3393	my $anims = $facedata->{animinfo};
		3394
		3395	while (my ($anim, $info) = each %$anims) {
		3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3397	cf::cede_to_tick;
		3398	}
		3399
		3400	cf::anim::invalidate_all; # d'oh
		3401	}
		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
		3422	1
		3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_resources {
		3493	warn "reloading resource files...\n";
		3494
		3495	reload_facedata;
		3496	reload_archetypes;
		3497	reload_regions;
		3498	reload_treasures;
		3499
		3500	warn "finished reloading resource files\n";
		3501	}
		3502
		3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3507	or return;
2232		3508
2233	local $/;	3509	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2235		3511
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3513
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2244	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2245	};	3521	};
2246	warn $@ if $@;	3522	warn $@ if $@;
2247	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2248	}	3554	}
2249		3555
2250	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2251	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3569	(async {
		3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
		3572	})->prio (Coro::PRIO_MAX);
2255	};	3573	};
2256		3574
2257	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
		3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2259	load_extensions;	3598	load_extensions;
2260	Event::loop;	3599
		3600	utime time, time, $RUNTIMEFILE;
		3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2261	}	3613	}
2262		3614
2263	#############################################################################	3615	#############################################################################
2264	# initialisation and cleanup	3616	# initialisation and cleanup
2265		3617
2266	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2267	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2274	},
2275	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2276	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2277	}	3714	}
2278		3715
2279	sub emergency_save() {	3716	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2281		3718
2282	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2283		3720
2284	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2285	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3735	$pl->save;
2293	}	3736	}
2294	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2295		3738
2296	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3742	$map->valid or next;
2300	$map->save;	3743	$map->save;
2301	}	3744	}
2302	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
		3746
		3747	warn "emergency_perl_save: begin database checkpoint\n";
		3748	BDB::db_env_txn_checkpoint $DB_ENV;
		3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2303	};	3754	};
2304		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2305	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2306	}	3762	}
2307		3763
		3764	sub post_cleanup {
		3765	my ($make_core) = @_;
		3766
		3767	warn Carp::longmess "post_cleanup backtrace"
		3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
		3797	}
		3798
2308	sub reload() {	3799	sub do_reload_perl() {
2309	# can/must only be called in main	3800	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2311	warn "can only reload from main coroutine\n";	3802	warn "can only reload from main coroutine";
2312	return;	3803	return;
2313	}	3804	}
2314		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2315	warn "reloading...";	3811	warn "reloading...";
2316		3812
2317	warn "freezing server";	3813	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3814
		3815	cf::sync_job {
		3816	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3817	cf::emergency_save;
		3818	cf::write_runtime_sync; # external watchdog should not bark
2320		3819
2321	warn "sync database to disk";	3820	warn "syncing database to disk";
2322	cf::db_sync;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3822
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2327		3824
2328	warn "cancel all watchers";	3825	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3828	}
2353		3829
		3830	warn "cancelling all extension coros";
		3831	$_->cancel for values %EXT_CORO;
		3832	%EXT_CORO = ();
		3833
		3834	warn "removing commands";
		3835	%COMMAND = ();
		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3843	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3844
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2369	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2370	}	3854	}
2371		3855
2372	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2373	}	3871	}
2374		3872
2375	warn "get rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3876
2379	warn "unload cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
		3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3880
2382	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3882	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2385		3884
		3885	warn "unload completed, starting to reload now";
		3886
2386	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2387	require cf;	3888	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2389		3890
2390	warn "load config and database again";	3891	warn "loading config and database again";
2391	cf::cfg_load;	3892	cf::reload_config;
2392	cf::db_load;
2393		3893
2394	warn "load extensions";	3894	warn "loading extensions";
2395	cf::load_extensions;	3895	cf::load_extensions;
2396		3896
		3897	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3899	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3900	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
		3902	warn "reattaching attachments to players";
		3903	reattach $_ for values %PLAYER;
		3904	}
		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
		3909	warn "leaving sync_job";
		3910
		3911	1
		3912	} or do {
		3913	warn $@;
		3914	cf::cleanup "error while reloading, exiting.";
		3915	};
		3916
		3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
		3923	};
		3924
		3925	our $RELOAD_WATCHER; # used only during reload
		3926
		3927	sub reload_perl() {
		3928	# doing reload synchronously and two reloads happen back-to-back,
		3929	# coro crashes during coro_state_free->destroy here.
		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
		3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3935	do_reload_perl;
		3936	undef $RELOAD_WATCHER;
		3937	};
2401	};	3938	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3939	}
2454		3940
2455	register_command "reload" => sub {	3941	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2457		3943
2458	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
		3948	reload_perl;
		3949	};
2462	}	3950	}
2463	};	3951	};
2464		3952
2465	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2466		3954
2467	$TICK_WATCHER = Event->timer (	3955	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3956
		3957	our @WAIT_FOR_TICK;
		3958	our @WAIT_FOR_TICK_BEGIN;
		3959
		3960	sub wait_for_tick {
		3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3962
		3963	my $signal = new Coro::Signal;
		3964	push @WAIT_FOR_TICK, $signal;
		3965	$signal->wait;
		3966	}
		3967
		3968	sub wait_for_tick_begin {
		3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3970
		3971	my $signal = new Coro::Signal;
		3972	push @WAIT_FOR_TICK_BEGIN, $signal;
		3973	$signal->wait;
		3974	}
		3975
		3976	sub tick {
		3977	if ($Coro::current != $Coro::main) {
		3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3979	unless ++$bug_warning > 10;
		3980	return;
		3981	}
		3982
2475	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		3984
2479	$WAIT_FOR_TICK->broadcast;	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481		3986
2482	# if we are delayed by four ticks or more, skip them all	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2484		3989	Coro::async_pool {
2485	$TICK_WATCHER->at ($NEXT_TICK);	3990	$Coro::current->{desc} = "runtime saver";
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3991	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	3992	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3993	};
2509	},	3994	}
2510	);	3995
		3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3997	$sig->send;
		3998	}
		3999	while (my $sig = shift @WAIT_FOR_TICK) {
		4000	$sig->send;
		4001	}
		4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
		4012	}
		4013	}
		4014
		4015	{
		4016	# configure BDB
		4017
		4018	BDB::min_parallel 16;
		4019	BDB::max_poll_reqs $TICK * 0.1;
		4020	$AnyEvent::BDB::WATCHER->priority (1);
		4021
		4022	unless ($DB_ENV) {
		4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4029
		4030	cf::sync_job {
		4031	eval {
		4032	BDB::db_env_open
		4033	$DB_ENV,
		4034	$BDBDIR,
		4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4037	0666;
		4038
		4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4040	};
		4041
		4042	cf::cleanup "db_env_open(db): $@" if $@;
		4043	};
		4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
		4055	}
		4056
		4057	{
		4058	# configure IO::AIO
		4059
		4060	IO::AIO::min_parallel 8;
		4061	IO::AIO::max_poll_time $TICK * 0.1;
		4062	undef $AnyEvent::AIO::WATCHER;
		4063	}
		4064
		4065	my $_log_backtrace;
		4066
		4067	sub _log_backtrace {
		4068	my ($msg, @addr) = @_;
		4069
		4070	$msg =~ s/\n//;
		4071
		4072	# limit the # of concurrent backtraces
		4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
		4104	}
		4105	}
		4106
		4107	# load additional modules
		4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2511		4110
2512	END { cf::emergency_save }	4111	END { cf::emergency_save }
2513		4112
2514	1	4113	1
2515		4114

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