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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 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	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		180
85	#############################################################################	181	#############################################################################
86		182
87	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
88		184
…		…
95	=item $cf::RUNTIME	191	=item $cf::RUNTIME
96		192
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	194	every server tick.
99		195
100	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		199
102	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
104		204
105	=item $cf::NOW	205	=item $cf::NOW
106		206
107	The time of the last (current) server tick.	207	The time of the last (current) server tick.
108		208
109	=item $cf::TICK	209	=item $cf::TICK
110		210
111	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
112		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
113	=item %cf::CFG	223	=item %cf::CFG
114		224
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	226	from wherever your confdir points to.
117		227
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		229
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	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	231	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	232	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.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
124		245
125	=back	246	=back
126		247
127	=cut	248	=cut
128		249
129	BEGIN {	250	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	251	my $msg = join "", @_;
132	utf8::encode $msg;
133		252
134	$msg .= "\n"	253	$msg .= "\n"
135	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
136		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
137	LOG llevError, $msg;	258	LOG llevError, $msg;
138	};	259	};
139	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
140		274
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		282
148	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	284	# within the Safe compartment.
150	for my $pkg (qw(	285	for my $pkg (qw(
151	cf::global cf::attachable	286	cf::global cf::attachable
152	cf::object cf::object::player	287	cf::object cf::object::player
153	cf::client cf::player	288	cf::client cf::player
154	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
155	cf::map cf::party cf::region	291	cf::party cf::region
156	)) {	292	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	294	}
160		295
161	$Event::DIED = sub {	296	$EV::DIED = sub {
162	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
163	};	298	};
		299
		300	#############################################################################
164		301
165	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
166		303
167	=over 4	304	=over 4
168		305
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	325	$d
189	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
190	}	327	}
191		328
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
195		330
196	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
197		332
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
206		334
207	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
208		336
209	=cut	337	=cut
210		338
211	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
213	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
214	}	356	}
215		357
216	=item cf::lock_wait $string	358	=item cf::lock_wait $string
217		359
218	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
219		361
220	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
221		363
222	Wait until the given lock is available and then acquires it and returns	364	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,	365	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	366	for example when the coroutine gets canceled), the lock is automatically
225	returned.	367	returned.
226		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
227	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
229		374
230	=cut	375	=item $locked = cf::lock_active $string
231		376
232	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
233		382
234	sub lock_wait($) {	383	sub lock_wait($) {
235	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	385	}
243		386
244	sub lock_acquire($) {	387	sub lock_acquire($) {
245	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
246		390
247	# wait, to be sure we are not locked	391	sub lock_active($) {
248	lock_wait $key;	392	$LOCKS->count ($_[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	}	393	}
257		394
258	sub freeze_mainloop {	395	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
260		397
261	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	399	}
263	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
264	}	481	}
265		482
266	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
267		484
268	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		490
274	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
275		492
276	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
277		494
278	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
281		499
282	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
285	fast or be very important.	503	fast or be very important.
…		…
288		506
289	sub sync_job(&) {	507	sub sync_job(&) {
290	my ($job) = @_;	508	my ($job) = @_;
291		509
292	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
293	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
295		515
296	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	517
298	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
299		519
300	my $busy = 1;	520	my $busy = 1;
301	my @res;	521	my @res;
302		522
303	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	525	@res = eval { $job->() };
305	warn $@ if $@;	526	warn $@ if $@;
306	undef $busy;	527	undef $busy;
307	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
308		529
309	while ($busy) {	530	while ($busy) {
310	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
311	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
312		541
313	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
314	} else {	543	} else {
315	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
316		545
…		…
336	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
337		566
338	$coro	567	$coro
339	}	568	}
340		569
341	sub write_runtime {	570	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		571
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
345	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
346		576
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		578
351	aio_fsync $fh	579	sub fork_call(&@) {
352	and return;	580	my ($cb, @args) = @_;
353		581
354	close $fh	582	# we seemingly have to make a local copy of the whole thing,
355	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
356		585
357	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
358	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
359		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	=item $coin = coin_from_name $name
		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
360	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
		746	}
		747
		748	=item cf::datalog type => key => value, ...
		749
		750	Log a datalog packet of the given type with the given key-value pairs.
		751
		752	=cut
		753
		754	sub datalog($@) {
		755	my ($type, %kv) = @_;
		756	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	757	}
362		758
363	=back	759	=back
364		760
365	=cut	761	=cut
366		762
367	#############################################################################	763	#############################################################################
368		764
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	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
526		766
527	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
528	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
530		770
531	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	773	Deliantra).
534		774
535	=over 4	775	=over 4
536		776
537	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
538		778
…		…
582	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
583		823
584	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
585	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
586		826
587	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
588	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
589		829
590	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
591		831
592	=over 4	832	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	892	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	893	our @CB_MAP = ();
654		894
655	my %attachment;	895	my %attachment;
656		896
		897	sub cf::attachable::thawer_merge {
		898	# simply override everything except _meta
		899	local $_[0]{_meta};
		900	%{$_[0]} = %{$_[1]};
		901	}
		902
657	sub _attach_cb($$$$) {	903	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	904	my ($registry, $event, $prio, $cb) = @_;
659		905
660	use sort 'stable';	906	use sort 'stable';
661		907
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
696		942
697	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		947
702	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	949	my $pkg = shift @arg;
704		950
705	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
735	}	981	}
736		982
737	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
738	} else {	984	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	986	}
741		987
742	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
743	}	989	}
744		990
…		…
746	if (ref $_[0]) {	992	if (ref $_[0]) {
747	_object_attach @_;	993	_object_attach @_;
748	} else {	994	} else {
749	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
750	}	996	}
		997	_recalc_want;
751	};	998	};
752		999
753	# all those should be optimised	1000	# all those should be optimised
754	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
759	reattach ($obj);	1006	reattach ($obj);
760	} else {	1007	} else {
761	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
762	}	1009	}
		1010	_recalc_want;
763	};	1011	};
764		1012
765	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
767		1015
…		…
782	";	1030	";
783	die if $@;	1031	die if $@;
784	}	1032	}
785		1033
786	our $override;	1034	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		1036
789	sub override {	1037	sub override {
790	$override = 1;	1038	$override = 1;
791	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
792	}	1040	}
793		1041
794	sub do_invoke {	1042	sub do_invoke {
795	my $event = shift;	1043	my $event = shift;
796	my $callbacks = shift;	1044	my $callbacks = shift;
797		1045
798	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
799		1047
800	local $override;	1048	local $override;
801		1049
802	for (@$callbacks) {	1050	for (@$callbacks) {
803	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
812	}	1060	}
813		1061
814	0	1062	0
815	}	1063	}
816		1064
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1066
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1068
821	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
822		1070
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1074
827	=back	1075	=back
828		1076
829	=cut	1077	=cut
830		1078
831	#############################################################################	1079	#############################################################################
832	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
833		1123
834	sub reattach {	1124	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1126	my ($obj) = @_;
		1127
		1128	# no longer needed after getting rid of delete_package?
		1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1130
838	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
839		1132
840	@$registry = ();	1133	@$registry = ();
841		1134
…		…
856	cf::attachable->attach (	1149	cf::attachable->attach (
857	prio => -1000000,	1150	prio => -1000000,
858	on_instantiate => sub {	1151	on_instantiate => sub {
859	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
860		1153
861	$data = from_json $data;	1154	$data = decode_json $data;
862		1155
863	for (@$data) {	1156	for (@$data) {
864	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
865		1158
866	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1175	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
884		1177
885	sync_job {	1178	sync_job {
886	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
889		1183
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;
893	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
894	close $fh;	1191	aio_close $fh;
895		1192
896	if (@$objs) {	1193	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;	1200	aio_fsync $fh;
		1201	}
902	close $fh;	1202	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
904	}	1204	}
905	} else {	1205	} else {
906	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
907	}	1207	}
908		1208
909	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1213	} else {
911	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
912	}	1215	}
913	} else {	1216	} else {
914	aio_unlink $filename;	1217	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
916	}	1219	}
917	}	1220	};
918	}	1221	}
919		1222
920	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
922		1225
…		…
934	or return;	1237	or return;
935		1238
936	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
938	or return;	1241	or return;
		1242
939	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
940	}	1245	}
941		1246
		1247	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
944	return ($data, $av);	1251	($data, $av)
945	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
946		1259
947	#############################################################################	1260	#############################################################################
948	# command handling &c	1261	# command handling &c
949		1262
950	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1277	}
965		1278
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1280
968	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
969		1286
970	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
971	called.	1288	called.
972		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
973	=cut	1301	=cut
974		1302
975	sub register_extcmd {	1303	sub register_extcmd {
976	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
977		1305
978	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
979	}	1307	}
980		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
981	cf::player->attach (	1317	cf::player->attach (
982	on_command => sub {	1318	on_unknown_command => sub {
983	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
984		1320
985	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
986	or return;	1322	or return;
987		1323
…		…
992	cf::override;	1328	cf::override;
993	},	1329	},
994	on_extcmd => sub {	1330	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
996		1332
997	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1334
999	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1005	} else {	1350	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1352	}
1008		1353
1009	cf::override;	1354	cf::override;
1010	},	1355	},
1011	);	1356	);
1012		1357
		1358	# "readahead" all extensions
1013	sub load_extension {	1359	sub cache_extensions {
1014	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
1015		1361
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1365	}
1020	$pkg = "ext::$pkg";	1366	};
1021		1367
1022	warn "... loading '$path' into '$pkg'\n";	1368	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1369	}
1039		1370
1040	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
1041	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1376	next unless -r $path;
1043	eval {	1377
1044	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
1045	1	1438	}
1046	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
1047	}	1449	};
1048	}	1450	}
1049		1451
1050	#############################################################################	1452	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1453
1053	*cf::mapsupport::on_clean = sub {	1454	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1455
1066	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1067		1457
1068	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1069		1459
1070	=cut	1460	=cut
1071		1461
1072	package cf::player;	1462	package cf::player;
1073		1463
…		…
1075		1465
1076	=head3 cf::player	1466	=head3 cf::player
1077		1467
1078	=over 4	1468	=over 4
1079		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
1080	=item cf::player::find $login	1484	=item cf::player::find $login
1081		1485
1082	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1083		1487
1084	=cut	1488	=cut
1085		1489
1086	sub playerdir($) {	1490	sub playerdir($) {
1087	cf::localdir	1491	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1493	}
1093		1494
1094	sub path($) {	1495	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1497
1097	(playerdir $login) . "/$login.pl"	1498	(playerdir $login) . "/playerdata"
1098	}	1499	}
1099		1500
1100	sub find_active($) {	1501	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1502	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1503	and $cf::PLAYER{$_[0]}->active
…		…
1105		1506
1106	sub exists($) {	1507	sub exists($) {
1107	my ($login) = @_;	1508	my ($login) = @_;
1108		1509
1109	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1511	or !aio_stat path $login
1111	}	1512	}
1112		1513
1113	sub find($) {	1514	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1516	my $login = $_[0];
1116		1517
1117	my $guard = cf::lock_acquire "user_find:$login";	1518	my $guard = cf::lock_acquire "user_find:$login";
1118		1519
1119	$cf::PLAYER{$_[0]} || do {	1520	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1521	# rename old playerfiles to new ones
		1522	#TODO: remove when no longer required
		1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1526	aio_unlink +(playerdir $login) . "/$login.pl";
		1527
		1528	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1123	}	1537	}
1124	}	1538	}
1125	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1126		1553
1127	sub save($) {	1554	sub save($) {
1128	my ($pl) = @_;	1555	my ($pl) = @_;
1129		1556
1130	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1135	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1136		1563
1137	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1139		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1140	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1141	Coro::cede;	1573	cf::cede_to_tick;
1142	}	1574	}
1143		1575
1144	sub new($) {	1576	sub new($) {
1145	my ($login) = @_;	1577	my ($login) = @_;
1146		1578
…		…
1152	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1153		1585
1154	$self	1586	$self
1155	}	1587	}
1156		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1157	=item $pl->quit_character	1599	=item $pl->quit_character
1158		1600
1159	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1161		1603
1162	=cut	1604	=cut
1163		1605
1164	sub quit_character {	1606	sub quit_character {
1165	my ($pl) = @_;	1607	my ($pl) = @_;
1166		1608
		1609	my $name = $pl->ob->name;
		1610
1167	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1169		1613
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1173	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1174		1620
1175	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1623	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1624	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1625	$pl->destroy;
		1626
		1627	my $prefix = qr<^~\Q$name\E/>;
		1628
		1629	# nuke player maps
		1630	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1631
1180	IO::AIO::aio_rmtree $temp;	1632	IO::AIO::aio_rmtree $temp;
		1633	}
		1634
		1635	=item $pl->kick
		1636
		1637	Kicks a player out of the game. This destroys the connection.
		1638
		1639	=cut
		1640
		1641	sub kick {
		1642	my ($pl, $kicker) = @_;
		1643
		1644	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1645	$pl->killer ("kicked");
		1646	$pl->ns->destroy;
1181	}	1647	}
1182		1648
1183	=item cf::player::list_logins	1649	=item cf::player::list_logins
1184		1650
1185	Returns am arrayref of all valid playernames in the system, can take a	1651	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1652	while and may block, so not sync_job-capable, ever.
1187		1653
1188	=cut	1654	=cut
1189		1655
1190	sub list_logins {	1656	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1657	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1658	or return [];
1193		1659
1194	my @logins;	1660	my @logins;
1195		1661
1196	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1200		1672
1201	utf8::decode $login;	1673	utf8::decode $login;
1202	push @logins, $login;	1674	push @logins, $login;
1203	}	1675	}
1204		1676
1205	\@logins	1677	\@logins
1206	}	1678	}
1207		1679
1208	=item $player->maps	1680	=item $player->maps
1209		1681
1210	Returns an arrayref of cf::path's of all maps that are private for this	1682	Returns an arrayref of map paths that are private for this
1211	player. May block.	1683	player. May block.
1212		1684
1213	=cut	1685	=cut
1214		1686
1215	sub maps($) {	1687	sub maps($) {
1216	my ($pl) = @_;	1688	my ($pl) = @_;
		1689
		1690	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1691
1218	my $files = aio_readdir playerdir $pl	1692	my $files = aio_readdir playerdir $pl
1219	or return;	1693	or return;
1220		1694
1221	my @paths;	1695	my @paths;
…		…
1223	for (@$files) {	1697	for (@$files) {
1224	utf8::decode $_;	1698	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1699	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1227		1701
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1702	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1703	}
1230		1704
1231	\@paths	1705	\@paths
1232	}	1706	}
1233		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1235		1713
1236	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1237		1715
1238	=cut	1716	=cut
1239		1717
1240	sub ext_reply($$$%) {	1718	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1242		1720
1243	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1722	}
1247		1723
1248	package cf;	1724	=item $player->ext_msg ($type, @msg)
		1725
		1726	Sends an ext event to the client.
		1727
		1728	=cut
		1729
		1730	sub ext_msg($$@) {
		1731	my ($self, $type, @msg) = @_;
		1732
		1733	$self->ns->ext_msg ($type, @msg);
		1734	}
		1735
		1736	=head3 cf::region
		1737
		1738	=over 4
		1739
		1740	=cut
		1741
		1742	package cf::region;
		1743
		1744	=item cf::region::find_by_path $path
		1745
		1746	Tries to decuce the likely region for a map knowing only its path.
		1747
		1748	=cut
		1749
		1750	sub find_by_path($) {
		1751	my ($path) = @_;
		1752
		1753	my ($match, $specificity);
		1754
		1755	for my $region (list) {
		1756	if ($region->{match} && $path =~ $region->{match}) {
		1757	($match, $specificity) = ($region, $region->specificity)
		1758	if $region->specificity > $specificity;
		1759	}
		1760	}
		1761
		1762	$match
		1763	}
1249		1764
1250	=back	1765	=back
1251
1252		1766
1253	=head3 cf::map	1767	=head3 cf::map
1254		1768
1255	=over 4	1769	=over 4
1256		1770
…		…
1259	package cf::map;	1773	package cf::map;
1260		1774
1261	use Fcntl;	1775	use Fcntl;
1262	use Coro::AIO;	1776	use Coro::AIO;
1263		1777
		1778	use overload
		1779	'""' => \&as_string,
		1780	fallback => 1;
		1781
1264	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1266		1784
1267	sub generate_random_map {	1785	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269		1789
1270	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1791	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1801	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1802	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1803	)
1285	}	1804	}
1286		1805
1287	# and all this just because we cannot iterate over	1806	=item cf::map->register ($regex, $prio)
1288	# all maps in C++...
1289	sub change_all_map_light {
1290	my ($change) = @_;
1291		1807
1292	$_->change_map_light ($change)	1808	Register a handler for the map path matching the given regex at the
1293	for grep $_->outdoor, values %cf::MAP;	1809	givne priority (higher is better, built-in handlers have priority 0, the
1294	}	1810	default).
1295		1811
1296	sub load_map_header($) {	1812	=cut
		1813
		1814	sub register {
		1815	my (undef, $regex, $prio) = @_;
		1816	my $pkg = caller;
		1817
		1818	no strict;
		1819	push @{"$pkg\::ISA"}, __PACKAGE__;
		1820
		1821	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1822	}
		1823
		1824	# also paths starting with '/'
		1825	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1826
		1827	sub thawer_merge {
		1828	my ($self, $merge) = @_;
		1829
		1830	# we have to keep some variables in memory intact
		1831	local $self->{path};
		1832	local $self->{load_path};
		1833
		1834	$self->SUPER::thawer_merge ($merge);
		1835	}
		1836
		1837	sub normalise {
1297	my ($path) = @_;	1838	my ($path, $base) = @_;
		1839
		1840	$path = "$path"; # make sure its a string
		1841
		1842	$path =~ s/\.map$//;
		1843
		1844	# map plan:
		1845	#
		1846	# /! non-realised random map exit (special hack!)
		1847	# {... are special paths that are not being touched
		1848	# ?xxx/... are special absolute paths
		1849	# ?random/... random maps
		1850	# /... normal maps
		1851	# ~user/... per-player map of a specific user
		1852
		1853	$path =~ s/$PATH_SEP/\//go;
		1854
		1855	# treat it as relative path if it starts with
		1856	# something that looks reasonable
		1857	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1858	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1859
		1860	$base =~ s{[^/]+/?$}{};
		1861	$path = "$base/$path";
		1862	}
		1863
		1864	for ($path) {
		1865	redo if s{//}{/};
		1866	redo if s{/\.?/}{/};
		1867	redo if s{/[^/]+/\.\./}{/};
		1868	}
		1869
		1870	$path
		1871	}
		1872
		1873	sub new_from_path {
		1874	my (undef, $path, $base) = @_;
		1875
		1876	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1877
		1878	$path = normalise $path, $base;
		1879
		1880	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1881	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1882	my $self = bless cf::map::new, $pkg;
		1883	$self->{path} = $path; $self->path ($path);
		1884	$self->init; # pass $1 etc.
		1885	return $self;
		1886	}
		1887	}
		1888
		1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1890	()
		1891	}
		1892
		1893	sub init {
		1894	my ($self) = @_;
		1895
		1896	$self
		1897	}
		1898
		1899	sub as_string {
		1900	my ($self) = @_;
		1901
		1902	"$self->{path}"
		1903	}
		1904
		1905	# the displayed name, this is a one way mapping
		1906	sub visible_name {
		1907	&as_string
		1908	}
		1909
		1910	# the original (read-only) location
		1911	sub load_path {
		1912	my ($self) = @_;
		1913
		1914	"$MAPDIR/$self->{path}.map"
		1915	}
		1916
		1917	# the temporary/swap location
		1918	sub save_path {
		1919	my ($self) = @_;
		1920
		1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1922	"$TMPDIR/$path.map"
		1923	}
		1924
		1925	# the unique path, undef == no special unique path
		1926	sub uniq_path {
		1927	my ($self) = @_;
		1928
		1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1930	"$UNIQUEDIR/$path"
		1931	}
		1932
		1933	sub decay_objects {
		1934	my ($self) = @_;
		1935
		1936	return if $self->{deny_reset};
		1937
		1938	$self->do_decay_objects;
		1939	}
		1940
		1941	sub unlink_save {
		1942	my ($self) = @_;
		1943
		1944	utf8::encode (my $save = $self->save_path);
		1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1946	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1947	}
		1948
		1949	sub load_header_from($) {
		1950	my ($self, $path) = @_;
1298		1951
1299	utf8::encode $path;	1952	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1301	or return;	1954	or return;
1302		1955
1303	my $map = cf::map::new	1956	$self->_load_header ($f)
1304	or return;	1957	or return;
1305		1958
1306	# for better error messages only, will be overwritten later	1959	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	1960	$f->resolve_delayed_derefs;
1308		1961
1309	$map->load_header ($path)	1962	$self->{load_path} = $path;
		1963
		1964	1
		1965	}
		1966
		1967	sub load_header_orig {
		1968	my ($self) = @_;
		1969
		1970	$self->load_header_from ($self->load_path)
		1971	}
		1972
		1973	sub load_header_temp {
		1974	my ($self) = @_;
		1975
		1976	$self->load_header_from ($self->save_path)
		1977	}
		1978
		1979	sub prepare_temp {
		1980	my ($self) = @_;
		1981
		1982	$self->last_access ((delete $self->{last_access})
		1983	|| $cf::RUNTIME); #d#
		1984	# safety
		1985	$self->{instantiate_time} = $cf::RUNTIME
		1986	if $self->{instantiate_time} > $cf::RUNTIME;
		1987	}
		1988
		1989	sub prepare_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->{load_original} = 1;
		1993	$self->{instantiate_time} = $cf::RUNTIME;
		1994	$self->last_access ($cf::RUNTIME);
		1995	$self->instantiate;
		1996	}
		1997
		1998	sub load_header {
		1999	my ($self) = @_;
		2000
		2001	if ($self->load_header_temp) {
		2002	$self->prepare_temp;
		2003	} else {
		2004	$self->load_header_orig
1310	or return;	2005	or return;
		2006	$self->prepare_orig;
		2007	}
1311		2008
1312	$map->{load_path} = $path;	2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
1313		2011
1314	$map	2012	$self->default_region (cf::region::find_by_path $self->{path})
		2013	unless $self->default_region;
		2014
		2015	1
1315	}	2016	}
1316		2017
1317	sub find;	2018	sub find;
1318	sub find {	2019	sub find {
1319	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1320		2021
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		2023
1326	cf::lock_wait "map_find:$key";	2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1330		2026
1331	# do it the slow way	2027	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	2028	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	2029	or return;
1345		2030
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1358		2032
1359	Coro::cede;	2033	$map->load_header
		2034	or return;
1360		2035
1361	if ($map->should_reset) {	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2037	# doing this can freeze the server in a sync job, obviously
		2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1362	$map->reset;	2041	$map->reset;
1363	undef $guard;
1364	$map = find $path	2042	return find $path;
1365	or return;
1366	}	2043	}
1367		2044
1368	$cf::MAP{$key} = $map	2045	$cf::MAP{$path} = $map
1369	}	2046	}
1370	}	2047	}
		2048
		2049	sub pre_load { }
		2050	#sub post_load { } # XS
1371		2051
1372	sub load {	2052	sub load {
1373	my ($self) = @_;	2053	my ($self) = @_;
1374		2054
		2055	local $self->{deny_reset} = 1; # loading can take a long time
		2056
1375	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2060	my $guard = cf::lock_acquire "map_data:$path";
1377		2061
		2062	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2064
1380	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1381		2066
1382	$self->alloc;	2067	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2068
		2069	$self->pre_load;
		2070	cf::cede_to_tick;
		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1384	or return;	2075	or return;
1385		2076
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1387	if delete $self->{load_original};	2078	if delete $self->{load_original};
1388		2079
1389	if (my $uniq = $path->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2081	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2084	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1394	}	2088	}
1395	}	2089	}
1396		2090
1397	Coro::cede;	2091	$f->resolve_delayed_derefs;
1398		2092
		2093	cf::cede_to_tick;
1399	# now do the right thing for maps	2094	# now do the right thing for maps
1400	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2097	unless $self->difficulty;
		2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1412	$self->activate;	2105	$self->activate;
1413	}	2106	}
1414		2107
1415	Coro::cede;	2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
1416		2110
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
		2112	}
		2113
		2114	$self->post_load;
		2115	}
		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
		2120	sub customise_for {
		2121	my ($self, $ob) = @_;
		2122
		2123	return find "~" . $ob->name . "/" . $self->{path}
		2124	if $self->per_player;
		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
		2129	$self
1418	}	2130	}
1419		2131
1420	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2133	sub load_neighbours {
1422	my ($map) = @_;	2134	my ($map) = @_;
1423		2135
1424	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1425		2137
1426	for (0 .. 3) {	2138	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1428	or next;	2140	or next;
1429	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1430	or next;	2142	or next;
1431	$neigh->load;	2143	$neigh->load;
1432		2144
		2145	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2148	}
1436		2149
1437	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1439	or next;	2153	or next;
1440	$neigh->load;	2154	$neigh->load;
1441	}	2155	}
1442	}	2156	}
1443		2157
…		…
1448	}	2162	}
1449		2163
1450	sub do_load_sync {	2164	sub do_load_sync {
1451	my ($map) = @_;	2165	my ($map) = @_;
1452		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1453	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1454	}	2171	}
1455		2172
1456	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
		2174	our $MAP_PREFETCHER = undef;
		2175
		2176	sub find_async {
		2177	my ($path, $origin, $load) = @_;
		2178
		2179	$path = normalise $path, $origin && $origin->{path};
		2180
		2181	if (my $map = $cf::MAP{$path}) {
		2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2183	}
		2184
		2185	$MAP_PREFETCH{$path} |= $load;
		2186
1457	our $MAP_PREFETCHER = Coro::async {	2187	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2188	$Coro::current->{desc} = "map prefetcher";
		2189
1459	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2192	if (my $map = find $k) {
		2193	$map->load if $v;
		2194	}
		2195
1462	my $path = delete $MAP_PREFETCH{$key};	2196	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2197	}
1468	Coro::schedule;	2198	}
		2199	undef $MAP_PREFETCHER;
1469	}	2200	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2201	$MAP_PREFETCHER->prio (6);
1484		2202
1485	()	2203	()
1486	}	2204	}
1487		2205
1488	sub save {	2206	sub save {
1489	my ($self) = @_;	2207	my ($self) = @_;
1490		2208
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2210
1493	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1494		2212
1495	return unless $self->dirty;	2213	return unless $self->dirty;
1496		2214
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2215	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2217
1500	$self->{load_path} = $save;	2218	$self->{load_path} = $save;
1501		2219
1502	return if $self->{deny_save};	2220	return if $self->{deny_save};
1503		2221
1504	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1505		2223
1506	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1507	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1508	};	2227	};
1509		2228
		2229	cf::get_slot 0.02;
		2230
1510	if ($uniq) {	2231	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2234	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2235	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2236	}
1516	}	2237	}
1517		2238
1518	sub swap_out {	2239	sub swap_out {
1519	my ($self) = @_;	2240	my ($self) = @_;
1520		2241
1521	# save first because save cedes	2242	# save first because save cedes
1522	$self->save;	2243	$self->save;
1523		2244
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2246
1526	return if $self->players;	2247	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1528	return if $self->{deny_save};	2249	return if $self->{deny_save};
1529		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1530	$self->clear;	2255	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2256	}
1533		2257
1534	sub reset_at {	2258	sub reset_at {
1535	my ($self) = @_;	2259	my ($self) = @_;
1536		2260
1537	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1540		2263
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2266
…		…
1548	my ($self) = @_;	2271	my ($self) = @_;
1549		2272
1550	$self->reset_at <= $cf::RUNTIME	2273	$self->reset_at <= $cf::RUNTIME
1551	}	2274	}
1552		2275
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->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	$self->save;
1572	}
1573
1574	sub reset {	2276	sub reset {
1575	my ($self) = @_;	2277	my ($self) = @_;
1576		2278
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2280
1579	return if $self->players;	2281	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2282
1582	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
		2284
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# need to save uniques path
		2288	unless ($self->{deny_save}) {
		2289	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2290
		2291	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2292	if $uniq;
		2293	}
1583		2294
1584	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1585		2296
		2297	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2298	$_->clear_links_to ($self) for values %cf::MAP;
		2299	$self->clear;
1587		2300
1588	$self->unlink_save;	2301	$self->unlink_save;
1589	$self->destroy;	2302	$self->destroy;
1590	}	2303	}
1591		2304
1592	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1593		2306
1594	sub nuke {	2307	sub nuke {
1595	my ($self) = @_;	2308	my ($self) = @_;
1596		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
		2313	delete $cf::MAP{$self->path};
		2314
		2315	$self->unlink_save;
		2316
		2317	bless $self, "cf::map";
		2318	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2322
		2323	$cf::MAP{$self->path} = $self;
		2324	}
		2325
1600	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
1601	}	2327	}
1602		2328
1603	sub customise_for {	2329	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2330
1606	if ($map->per_player) {	2331	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
1608	}	2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
1609		2346
1610	$map	2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1611	}	2363	}
1612		2364
1613	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1614		2366
1615	Returns an arrayref of cf::path's of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2368	instantiated unique items. May block.
1617		2369
1618	=cut	2370	=cut
1619		2371
1620	sub unique_maps() {	2372	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2373	[
1622	or return;	2374	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2375	utf8::decode $_;
1628	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2378	? ()
1631	push @paths, new cf::path $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2381	]
1633
1634	\@paths
1635	}	2382	}
1636		2383
1637	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1638		2415
1639	=back	2416	=back
1640		2417
1641	=head3 cf::object	2418	=head3 cf::object
1642		2419
…		…
1646		2423
1647	=over 4	2424	=over 4
1648		2425
1649	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1650		2427
1651	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1652		2430
1653	=cut	2431	=cut
1654		2432
1655	sub inv_recursive_;	2433	sub inv_recursive_;
1656	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1659		2437
1660	sub inv_recursive {	2438	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1662	}	2440	}
1663		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1664	package cf;	2470	package cf;
1665		2471
1666	=back	2472	=back
1667		2473
1668	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	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	2481	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1677		2483
1678	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1679		2499
1680	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2501	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1685		2505
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2507
1688	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1690	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1693	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1694	}	2533	}
1695		2534
1696	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1697		2536
1698	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1711		2550
1712	=item $player_object->enter_link	2551	=item $player_object->enter_link
1713		2552
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2554
1716	The player should be reaosnably safe there for short amounts of time. You	2555	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.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
		2559
		2560	Will never block.
1718		2561
1719	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1720		2563
1721	Moves the player out of the specila link map onto the given map. If the	2564	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2565	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2566	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2567	fails, to the emergency map position.
1725		2568
1726	Might block.	2569	Might block.
1727		2570
1728	=cut	2571	=cut
		2572
		2573	sub link_map {
		2574	unless ($LINK_MAP) {
		2575	$LINK_MAP = cf::map::find "{link}"
		2576	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2577	$LINK_MAP->load;
		2578	}
		2579
		2580	$LINK_MAP
		2581	}
1729		2582
1730	sub cf::object::player::enter_link {	2583	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2584	my ($self) = @_;
1732		2585
1733	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1734		2587
1735	return if $self->map == $LINK_MAP;	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2589
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1739		2592
1740	$self->enter_map ($LINK_MAP, 20, 20);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2594	}
1742		2595
1743	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1745		2600
1746	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1747		2602
1748	unless ($map) {	2603	unless ($map) {
1749	# restore original map position	2604	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1762		2617
1763	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1766		2621
1767	$map->load;	2622	$map->load;
1768	$map->load_diag;	2623	$map->load_neighbours;
1769		2624
1770	return unless $self->contr->active;	2625	return unless $self->contr->active;
		2626
		2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2628	$self->enter_map ($map, $x, $y);
		2629
		2630	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2631	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2632	}
1774		2633
1775	cf::player->attach (	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2635
1779	# abort map switching before logout	2636	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2637	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2639	the new (success) or old (failed) map position. In either case, $done will
1783	};	2640	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2641
1789	# try to abort aborted map switching on player login :)	2642	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2643	it needs a loaded map it has to call C<< ->load >>.
1791	if ($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		2644
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2645	=cut
		2646
		2647	our $GOTOGEN;
1810		2648
1811	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2651
1814	$path = new cf::path $path;	2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2654
1816	$self->enter_link;	2655	$self->enter_link;
1817		2656
1818	(async {	2657	(async {
1819	my $map = cf::map::find $path->as_string;	2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
		2679	my $map = eval {
		2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
1821		2684	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2685	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
1826		2688
		2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
		2695	}
		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1828	})->prio (1);	2703	})->prio (1);
1829	}	2704	}
1830		2705
1831	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1832		2707
…		…
1834		2709
1835	sub parse_random_map_params {	2710	sub parse_random_map_params {
1836	my ($spec) = @_;	2711	my ($spec) = @_;
1837		2712
1838	my $rmp = { # defaults	2713	my $rmp = { # defaults
1839	xsize => 10,	2714	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2715	ysize => (cf::rndm 15, 40),
		2716	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2717	#layout => string,
1841	};	2718	};
1842		2719
1843	for (split /\n/, $spec) {	2720	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2721	my ($k, $v) = split /\s+/, $_, 2;
1845		2722
…		…
1857	# that depends on the exit object	2734	# that depends on the exit object
1858		2735
1859	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
1860		2737
1861	if ($exit->map) {	2738	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2739	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1866	}	2745	}
1867		2746
1868	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1869		2748
1870	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
		2751	my $meta = "$RANDOMDIR/$md5.meta";
1872		2752
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
		2755	undef $fh;
		2756	aio_rename "$meta~", $meta;
1875		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
1878	}	2764	}
1879	}	2765	}
1880		2766
1881	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
1885		2771
1886	$self->enter_link;	2772	$self->enter_link;
1887		2773
1888	(async {	2774	(async {
1889	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
1890	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
1891	prepare_random_map $exit	2784	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2785	if $exit->slaying eq "/!";
		2786	}
1893		2787
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
1896		2791
		2792	$self->goto ($map, $x, $y);
		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
1897	1;	2798	1
1898	}) {	2799	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2804
1904	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2806	$self->leave_link;
1906	}	2807	}
1907	})->prio (1);	2808	})->prio (1);
…		…
1920		2821
1921	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
1923		2824
1924	utf8::encode $text;	2825	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2827	}
1927		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
		3016	=item $client->ext_msg ($type, @msg)
		3017
		3018	Sends an ext event to the client.
		3019
		3020	=cut
		3021
		3022	sub cf::client::ext_msg($$@) {
		3023	my ($self, $type, @msg) = @_;
		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
		3028	push @msg, msgtype => "event_$type";
		3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
		3049	}
1928		3050
1929	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
1930		3052
1931	Queues a query to the client, calling the given callback with	3053	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>,	3054	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>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		3056
1935	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	3058	become reliable at some point in the future.
1937		3059
1938	=cut	3060	=cut
1939		3061
1940	sub cf::client::query {	3062	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3071	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3073
1952	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
1954	}	3078	}
1955		3079
1956	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
1957	on_reply => sub {	3086	on_reply => sub {
1958	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
1959		3088
1960	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
1961	# get handled first	3090	# get handled first
1962	my $queue = delete $ns->{query_queue}	3091	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3092	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3093
1965	(shift @$queue)->[1]->($msg);	3094	(shift @$queue)->[1]->($msg);
		3095	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3096
1967	push @{ $ns->{query_queue} }, @$queue;	3097	push @{ $ns->{query_queue} }, @$queue;
1968		3098
1969	if (@{ $ns->{query_queue} } == @$queue) {	3099	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3100	if (@$queue) {
…		…
1972	} else {	3102	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3104	}
1975	}	3105	}
1976	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
1977	);	3133	);
1978		3134
1979	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
1980		3136
1981	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3153
1998	$coro	3154	$coro
1999	}	3155	}
2000		3156
2001	cf::client->attach (	3157	cf::client->attach (
2002	on_destroy => sub {	3158	on_client_destroy => sub {
2003	my ($ns) = @_;	3159	my ($ns) = @_;
2004		3160
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3162	},
2007	);	3163	);
…		…
2022	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2024		3180
2025	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2026		3182
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2028		3188
2029	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2030		3190
2031	=pod	3191	=pod
2032		3192
2033	The following fucntions and emthods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2034		3194
2035	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2036	cf::object::player player	3200	cf::object::player
2037	cf::player peaceful	3201	player
2038	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2039		3208
2040	=cut	3209	=cut
2041		3210
2042	for (	3211	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2047	) {	3218	) {
2048	no strict 'refs';	3219	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2068		3239
2069	my $qcode = $code;	3240	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2072		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2073	local $_;	3247	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3248
2076	my $eval =	3249	my $eval =
2077	"do {\n"	3250	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3253	. $code
2081	. "\n}"	3254	. "\n}"
2082	;	3255	;
2083		3256
		3257	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2087		3266
2088	if ($@) {	3267	if ($@) {
2089	warn "$@";	3268	warn "$@";
2090	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2091	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2110	=cut	3289	=cut
2111		3290
2112	sub register_script_function {	3291	sub register_script_function {
2113	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2114		3293
2115	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2117	}	3296	}
2118		3297
2119	=back	3298	=back
2120		3299
2121	=cut	3300	=cut
2122		3301
2123	#############################################################################	3302	#############################################################################
		3303	# the server's init and main functions
2124		3304
2125	=head2 EXTENSION DATABASE SUPPORT	3305	sub load_facedata($) {
		3306	my ($path) = @_;
2126		3307
2127	Crossfire maintains a very simple database for extension use. It can	3308	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3309	# for this (global event?)
2129	excludes objects.	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3311
2131	The parameter C<$family> should best start with the name of the extension	3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3313
2134	=over 4	3314	warn "loading facedata from $path\n";
2135		3315
2136	=item $hashref = cf::db_get $family	3316	my $facedata;
		3317	0 < aio_load $path, $facedata
		3318	or die "$path: $!";
2137		3319
2138	Return a hashref for use by the extension C<$family>, which can be	3320	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3321
2142	=item $value = cf::db_get $family => $key	3322	$facedata->{version} == 2
		3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3324
2144	Returns a single value from the database	3325	# patch in the exptable
2145		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146	=item cf::db_put $family => $hashref	3327	$facedata->{resource}{"res/exp_table"} = {
2147		3328	type => FT_RSRC,
2148	Stores the given family hashref into the database. Updates are delayed, if	3329	data => $exp_table,
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3330	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	});	3331	};
		3332	cf::cede_to_tick;
2197		3333
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3334	{
		3335	my $faces = $facedata->{faceinfo};
2202		3336
2203	sub db_get($;$) {	3337	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3339
2209	sub db_put($$;$) {	3340	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3341	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3344
2218	cf::global->attach (	3345	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3346	}
2223	);
2224	}
2225		3347
2226	#############################################################################	3348	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3349	next unless $info->{smooth};
2228		3350
2229	sub cfg_load {	3351	my $idx = cf::face::find $face
		3352	or next;
		3353
		3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
		3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3357	} else {
		3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3359	}
		3360
		3361	cf::cede_to_tick;
		3362	}
		3363	}
		3364
		3365	{
		3366	my $anims = $facedata->{animinfo};
		3367
		3368	while (my ($anim, $info) = each %$anims) {
		3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3370	cf::cede_to_tick;
		3371	}
		3372
		3373	cf::anim::invalidate_all; # d'oh
		3374	}
		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
		3395	1
		3396	}
		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
		3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
		3450	sub reload_facedata {
		3451	load_facedata "$DATADIR/facedata"
		3452	or die "unable to load facedata\n";
		3453	}
		3454
		3455	sub reload_archetypes {
		3456	load_resource_file "$DATADIR/archetypes"
		3457	or die "unable to load archetypes\n";
		3458	}
		3459
		3460	sub reload_treasures {
		3461	load_resource_file "$DATADIR/treasures"
		3462	or die "unable to load treasurelists\n";
		3463	}
		3464
		3465	sub reload_resources {
		3466	warn "reloading resource files...\n";
		3467
		3468	reload_facedata;
		3469	reload_archetypes;
		3470	reload_regions;
		3471	reload_treasures;
		3472
		3473	warn "finished reloading resource files\n";
		3474	}
		3475
		3476	sub reload_config {
		3477	warn "reloading config file...\n";
		3478
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3480	or return;
2232		3481
2233	local $/;	3482	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2235		3484
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3486
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$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};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2244	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2245	};	3494	};
2246	warn $@ if $@;	3495	warn $@ if $@;
2247	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2248	}	3527	}
2249		3528
2250	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2251	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3547	(async {
		3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
		3550	})->prio (Coro::PRIO_MAX);
2255	};	3551	};
2256		3552
2257	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
		3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2259	load_extensions;	3571	load_extensions;
2260	Event::loop;	3572
		3573	utime time, time, $RUNTIMEFILE;
		3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2261	}	3583	}
2262		3584
2263	#############################################################################	3585	#############################################################################
2264	# initialisation and cleanup	3586	# initialisation and cleanup
2265		3587
2266	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2267	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2274	},
2275	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2276	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2277	}	3684	}
2278		3685
2279	sub emergency_save() {	3686	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2281		3688
2282	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2283		3690
2284	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2285	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3705	$pl->save;
2293	}	3706	}
2294	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2295		3708
2296	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3712	$map->valid or next;
2300	$map->save;	3713	$map->save;
2301	}	3714	}
2302	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
		3716
		3717	warn "emergency_perl_save: begin database checkpoint\n";
		3718	BDB::db_env_txn_checkpoint $DB_ENV;
		3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2303	};	3724	};
2304		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2305	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2306	}	3732	}
2307		3733
		3734	sub post_cleanup {
		3735	my ($make_core) = @_;
		3736
		3737	warn Carp::longmess "post_cleanup backtrace"
		3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
		3768	}
		3769
2308	sub reload() {	3770	sub do_reload_perl() {
2309	# can/must only be called in main	3771	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3773	warn "can only reload from main coroutine";
2312	return;	3774	return;
2313	}	3775	}
2314		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2315	warn "reloading...";	3782	warn "reloading...";
2316		3783
2317	warn "freezing server";	3784	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3785
		3786	cf::sync_job {
		3787	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3788	cf::emergency_save;
		3789	cf::write_runtime_sync; # external watchdog should not bark
2320		3790
2321	warn "sync database to disk";	3791	warn "syncing database to disk";
2322	cf::db_sync;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3793
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2327		3795
2328	warn "cancel all watchers";	3796	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3798	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	}	3799	}
2353		3800
		3801	warn "cancelling all extension coros";
		3802	$_->cancel for values %EXT_CORO;
		3803	%EXT_CORO = ();
		3804
		3805	warn "removing commands";
		3806	%COMMAND = ();
		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3814	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3815
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")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2369	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2370	}	3825	}
2371		3826
2372	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2373	}	3842	}
2374		3843
2375	warn "get rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3847
2379	warn "unload cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
		3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3851
2382	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3853	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2385		3855
		3856	warn "unload completed, starting to reload now";
		3857
2386	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2387	require cf;	3859	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2389		3861
2390	warn "load config and database again";	3862	warn "loading config and database again";
2391	cf::cfg_load;	3863	cf::reload_config;
2392	cf::db_load;
2393		3864
2394	warn "load extensions";	3865	warn "loading extensions";
2395	cf::load_extensions;	3866	cf::load_extensions;
2396		3867
		3868	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3870	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3871	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
		3873	warn "reattaching attachments to players";
		3874	reattach $_ for values %PLAYER;
		3875	}
		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
		3880	warn "leaving sync_job";
		3881
		3882	1
		3883	} or do {
		3884	warn $@;
		3885	cf::cleanup "error while reloading, exiting.";
		3886	};
		3887
		3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
		3894	};
		3895
		3896	our $RELOAD_WATCHER; # used only during reload
		3897
		3898	sub reload_perl() {
		3899	# doing reload synchronously and two reloads happen back-to-back,
		3900	# coro crashes during coro_state_free->destroy here.
		3901
		3902	$RELOAD_WATCHER ||= cf::async {
		3903	Coro::AIO::aio_wait cache_extensions;
		3904
		3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3906	do_reload_perl;
		3907	undef $RELOAD_WATCHER;
		3908	};
2401	};	3909	};
2402
2403	if ($@) {
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} = $LINK_MAP;
2453	}	3910	}
2454		3911
2455	register_command "reload" => sub {	3912	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2457		3914
2458	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
		3919	reload_perl;
		3920	};
2462	}	3921	}
2463	};	3922	};
2464		3923
2465	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2466		3925
2467	$TICK_WATCHER = Event->timer (	3926	my $bug_warning = 0;
2468	reentrant => 0,	3927
2469	prio => 0,	3928	our @WAIT_FOR_TICK;
2470	at => $NEXT_TICK || $TICK,	3929	our @WAIT_FOR_TICK_BEGIN;
2471	data => WF_AUTOCANCEL,	3930
2472	cb => sub {	3931	sub wait_for_tick {
		3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3933
		3934	my $signal = new Coro::Signal;
		3935	push @WAIT_FOR_TICK, $signal;
		3936	$signal->wait;
		3937	}
		3938
		3939	sub wait_for_tick_begin {
		3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3941
		3942	my $signal = new Coro::Signal;
		3943	push @WAIT_FOR_TICK_BEGIN, $signal;
		3944	$signal->wait;
		3945	}
		3946
		3947	sub tick {
		3948	if ($Coro::current != $Coro::main) {
		3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3950	unless ++$bug_warning > 10;
		3951	return;
		3952	}
		3953
2473	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2474	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;
2476		3955
2477	$WAIT_FOR_TICK->broadcast;	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2479		3957
2480	# if we are delayed by four ticks or more, skip them all	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2482		3960	Coro::async_pool {
2483	$TICK_WATCHER->at ($NEXT_TICK);	3961	$Coro::current->{desc} = "runtime saver";
2484	$TICK_WATCHER->start;
2485	},
2486	);
2487
2488	IO::AIO::max_poll_time $TICK * 0.2;
2489
2490	Event->io (
2491	fd => IO::AIO::poll_fileno,
2492	poll => 'r',
2493	prio => 5,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,
2500	after => 0,
2501	interval => 10,
2502	cb => sub {
2503	(Coro::unblock_sub {
2504	write_runtime	3962	write_runtime_sync
2505	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2506	})->();	3964	};
2507	},	3965	}
2508	);	3966
		3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3968	$sig->send;
		3969	}
		3970	while (my $sig = shift @WAIT_FOR_TICK) {
		3971	$sig->send;
		3972	}
		3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
		3985
		3986	{
		3987	# configure BDB
		3988
		3989	BDB::min_parallel 16;
		3990	BDB::max_poll_reqs $TICK * 0.1;
		3991	$AnyEvent::BDB::WATCHER->priority (1);
		3992
		3993	unless ($DB_ENV) {
		3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4000
		4001	cf::sync_job {
		4002	eval {
		4003	BDB::db_env_open
		4004	$DB_ENV,
		4005	$BDBDIR,
		4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4008	0666;
		4009
		4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4011	};
		4012
		4013	cf::cleanup "db_env_open(db): $@" if $@;
		4014	};
		4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
		4026	}
		4027
		4028	{
		4029	# configure IO::AIO
		4030
		4031	IO::AIO::min_parallel 8;
		4032	IO::AIO::max_poll_time $TICK * 0.1;
		4033	undef $AnyEvent::AIO::WATCHER;
		4034	}
		4035
		4036	my $_log_backtrace;
		4037
		4038	sub _log_backtrace {
		4039	my ($msg, @addr) = @_;
		4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
		4076	}
		4077
		4078	# load additional modules
		4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2509		4081
2510	END { cf::emergency_save }	4082	END { cf::emergency_save }
2511		4083
2512	1	4084	1
2513		4085

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