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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.502 by root, Sat Jan 23 20:24:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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 $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	115	our $NEXT_TICK;
50	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
51		124
52	our %CFG;	125	our %CFG;
53		126
54	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
56		130
57	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		134
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# 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;	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
64		147
65	binmode STDOUT;	148	binmode STDOUT;
66	binmode STDERR;	149	binmode STDERR;
67		150
68	# read virtual server time, if available	151	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
73	}	156	}
74		157
75	mkdir cf::localdir;	158	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		159
81	# a special map that is always available	160	mkdir $_
82	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
83	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		177
85	#############################################################################	178	#############################################################################
86		179
87	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
88		181
…		…
95	=item $cf::RUNTIME	188	=item $cf::RUNTIME
96		189
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	191	every server tick.
99		192
100	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		196
102	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
104		201
105	=item $cf::NOW	202	=item $cf::NOW
106		203
107	The time of the last (current) server tick.	204	The time of the last (current) server tick.
108		205
109	=item $cf::TICK	206	=item $cf::TICK
110		207
111	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
112		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
113	=item %cf::CFG	220	=item %cf::CFG
114		221
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	223	from wherever your confdir points to.
117		224
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		226
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
124		242
125	=back	243	=back
126		244
127	=cut	245	=cut
128		246
129	BEGIN {	247	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	248	my $msg = join "", @_;
132	utf8::encode $msg;
133		249
134	$msg .= "\n"	250	$msg .= "\n"
135	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
136		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
137	LOG llevError, $msg;	255	LOG llevError, $msg;
138	};	256	};
139	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
140		271
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		279
148	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	281	# within the Safe compartment.
150	for my $pkg (qw(	282	for my $pkg (qw(
151	cf::global cf::attachable	283	cf::global cf::attachable
152	cf::object cf::object::player	284	cf::object cf::object::player
153	cf::client cf::player	285	cf::client cf::player
154	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
155	cf::map cf::party cf::region	288	cf::party cf::region
156	)) {	289	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	291	}
160		292
161	$Event::DIED = sub {	293	$EV::DIED = sub {
162	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
163	};	295	};
		296
		297	#############################################################################
164		298
165	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
166		300
167	=over 4	301	=over 4
168		302
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	322	$d
189	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
190	}	324	}
191		325
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
195		327
196	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
197		329
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
206		331
207	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
208		333
209	=cut	334	=cut
210		335
211	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
213	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
214	}	353	}
215		354
216	=item cf::lock_wait $string	355	=item cf::lock_wait $string
217		356
218	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
219		358
220	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
221		360
222	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
225	returned.	364	returned.
226		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
227	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
229		371
230	=cut	372	=item $locked = cf::lock_active $string
231		373
232	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
233		379
234	sub lock_wait($) {	380	sub lock_wait($) {
235	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	382	}
243		383
244	sub lock_acquire($) {	384	sub lock_acquire($) {
245	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
246		387
247	# wait, to be sure we are not locked	388	sub lock_active($) {
248	lock_wait $key;	389	$LOCKS->count ($_[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	}	390	}
257		391
258	sub freeze_mainloop {	392	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
260		394
261	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	396	}
263	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
264	}	478	}
265		479
266	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
267		481
268	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		487
274	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
275		489
276	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
277		491
278	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
281		496
282	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
285	fast or be very important.	500	fast or be very important.
…		…
288		503
289	sub sync_job(&) {	504	sub sync_job(&) {
290	my ($job) = @_;	505	my ($job) = @_;
291		506
292	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
293	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
295		512
296	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	514
298	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
299		516
300	my $busy = 1;	517	my $busy = 1;
301	my @res;	518	my @res;
302		519
303	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	522	@res = eval { $job->() };
305	warn $@ if $@;	523	warn $@ if $@;
306	undef $busy;	524	undef $busy;
307	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
308		526
309	while ($busy) {	527	while ($busy) {
310	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
311	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
312		538
313	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
314	} else {	540	} else {
315	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
316		542
…		…
336	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
337		563
338	$coro	564	$coro
339	}	565	}
340		566
341	sub write_runtime {	567	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		568
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
345	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
346		573
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		575
351	aio_fsync $fh	576	sub fork_call(&@) {
352	and return;	577	my ($cb, @args) = @_;
353		578
354	close $fh	579	# we seemingly have to make a local copy of the whole thing,
355	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
356		582
357	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
358	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
359		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
360	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	754	}
362		755
363	=back	756	=back
364		757
365	=cut	758	=cut
366		759
367	#############################################################################	760	#############################################################################
368		761
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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
546		763
547	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
548	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
550		767
551	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	770	Deliantra).
554		771
555	=over 4	772	=over 4
556		773
557	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
558		775
…		…
602	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
603		820
604	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
606		823
607	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
608	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
609		826
610	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
611		828
612	=over 4	829	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	890	our @CB_MAP = ();
674		891
675	my %attachment;	892	my %attachment;
676		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
677	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
679		902
680	use sort 'stable';	903	use sort 'stable';
681		904
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
716		939
717	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		944
722	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	946	my $pkg = shift @arg;
724		947
725	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
755	}	978	}
756		979
757	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
758	} else {	981	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	983	}
761		984
762	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
763	}	986	}
764		987
…		…
766	if (ref $_[0]) {	989	if (ref $_[0]) {
767	_object_attach @_;	990	_object_attach @_;
768	} else {	991	} else {
769	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
770	}	993	}
		994	_recalc_want;
771	};	995	};
772		996
773	# all those should be optimised	997	# all those should be optimised
774	sub cf::attachable::detach {	998	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1003	reattach ($obj);
780	} else {	1004	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
782	}	1006	}
		1007	_recalc_want;
783	};	1008	};
784		1009
785	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
787		1012
…		…
802	";	1027	";
803	die if $@;	1028	die if $@;
804	}	1029	}
805		1030
806	our $override;	1031	our $override;
807	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
808		1033
809	sub override {	1034	sub override {
810	$override = 1;	1035	$override = 1;
811	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
812	}	1037	}
813		1038
814	sub do_invoke {	1039	sub do_invoke {
815	my $event = shift;	1040	my $event = shift;
816	my $callbacks = shift;	1041	my $callbacks = shift;
817		1042
818	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
819		1044
820	local $override;	1045	local $override;
821		1046
822	for (@$callbacks) {	1047	for (@$callbacks) {
823	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
832	}	1057	}
833		1058
834	0	1059	0
835	}	1060	}
836		1061
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1063
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1065
841	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
842		1067
843	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
844	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
845	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1071
847	=back	1072	=back
848		1073
849	=cut	1074	=cut
850		1075
851	#############################################################################	1076	#############################################################################
852	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
853		1120
854	sub reattach {	1121	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		1127
858	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
859		1129
860	@$registry = ();	1130	@$registry = ();
861		1131
…		…
876	cf::attachable->attach (	1146	cf::attachable->attach (
877	prio => -1000000,	1147	prio => -1000000,
878	on_instantiate => sub {	1148	on_instantiate => sub {
879	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
880		1150
881	$data = from_json $data;	1151	$data = decode_json $data;
882		1152
883	for (@$data) {	1153	for (@$data) {
884	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
885		1155
886	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1172	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
904		1174
905	sync_job {	1175	sync_job {
906	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
909		1180
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
913	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
914	close $fh;	1188	aio_close $fh;
915		1189
916	if (@$objs) {	1190	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
921	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
922	close $fh;	1199	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
924	}	1201	}
925	} else {	1202	} else {
926	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
927	}	1204	}
928		1205
929	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1210	} else {
931	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
932	}	1212	}
933	} else {	1213	} else {
934	aio_unlink $filename;	1214	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
936	}	1216	}
937	}	1217	};
938	}	1218	}
939		1219
940	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
942		1222
…		…
954	or return;	1234	or return;
955		1235
956	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
958	or return;	1238	or return;
		1239
959	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
960	}	1242	}
961		1243
		1244	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
964	return ($data, $av);	1248	($data, $av)
965	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
966		1256
967	#############################################################################	1257	#############################################################################
968	# command handling &c	1258	# command handling &c
969		1259
970	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1274	}
985		1275
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1277
988	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
989		1283
990	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
991	called.	1285	called.
992		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
993	=cut	1298	=cut
994		1299
995	sub register_extcmd {	1300	sub register_extcmd {
996	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
997		1302
998	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
999	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
1000		1313
1001	cf::player->attach (	1314	cf::player->attach (
1002	on_command => sub {	1315	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1004		1317
…		…
1012	cf::override;	1325	cf::override;
1013	},	1326	},
1014	on_extcmd => sub {	1327	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1016		1329
1017	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1331
1019	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1025	} else {	1347	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1349	}
1028		1350
1029	cf::override;	1351	cf::override;
1030	},	1352	},
1031	);	1353	);
1032		1354
		1355	# "readahead" all extensions
1033	sub load_extension {	1356	sub cache_extensions {
1034	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
1035		1358
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1362	}
1040	$pkg = "ext::$pkg";	1363	};
1041		1364
1042	warn "... loading '$path' into '$pkg'\n";	1365	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1366	}
1059		1367
1060	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1061	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1373	next unless -r $path;
1063	eval {	1374
1064	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my %done;
		1405	while (%todo) {
		1406	my $progress;
		1407
		1408	while (my ($k, $v) = each %todo) {
		1409	for (split /,\s*/, $v->{meta}{depends}) {
		1410	goto skip
		1411	unless exists $done{$_};
		1412	}
		1413
		1414	warn "... loading '$k' into '$v->{pkg}'\n";
		1415
		1416	unless (eval $v->{source}) {
		1417	my $msg = $@ ? "$v->{path}: $@\n"
		1418	: "$v->{base}: extension inactive.\n";
		1419
		1420	if (exists $v->{meta}{mandatory}) {
		1421	warn $msg;
		1422	cf::cleanup "mandatory extension failed to load, exiting.";
		1423	}
		1424
		1425	warn $msg;
		1426	}
		1427
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
1065	1	1431	}
1066	} or warn "$ext not loaded: $@";	1432
		1433	skip:
		1434	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1435	unless $progress;
		1436	}
1067	}	1437	};
1068	}	1438	}
1069		1439
1070	#############################################################################	1440	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1441
1073	*cf::mapsupport::on_clean = sub {	1442	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1443
1086	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1087		1445
1088	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1089		1447
1090	=cut	1448	=cut
1091		1449
1092	package cf::player;	1450	package cf::player;
1093		1451
…		…
1095		1453
1096	=head3 cf::player	1454	=head3 cf::player
1097		1455
1098	=over 4	1456	=over 4
1099		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
		1471
1100	=item cf::player::find $login	1472	=item cf::player::find $login
1101		1473
1102	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1103		1475
1104	=cut	1476	=cut
1105		1477
1106	sub playerdir($) {	1478	sub playerdir($) {
1107	cf::localdir	1479	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1480	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1481	}
1113		1482
1114	sub path($) {	1483	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1484	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1485
1117	(playerdir $login) . "/$login.pl"	1486	(playerdir $login) . "/playerdata"
1118	}	1487	}
1119		1488
1120	sub find_active($) {	1489	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1490	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1491	and $cf::PLAYER{$_[0]}->active
…		…
1125		1494
1126	sub exists($) {	1495	sub exists($) {
1127	my ($login) = @_;	1496	my ($login) = @_;
1128		1497
1129	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1499	or !aio_stat path $login
1131	}	1500	}
1132		1501
1133	sub find($) {	1502	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1504	my $login = $_[0];
1136		1505
1137	my $guard = cf::lock_acquire "user_find:$login";	1506	my $guard = cf::lock_acquire "user_find:$login";
1138		1507
1139	$cf::PLAYER{$_[0]} || do {	1508	$cf::PLAYER{$_[0]} || do {
1140	my $pl = load_pl path $login	1509	# rename old playerfiles to new ones
		1510	#TODO: remove when no longer required
		1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1514	aio_unlink +(playerdir $login) . "/$login.pl";
		1515
		1516	my $f = new_from_file cf::object::thawer path $login
1141	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
1142	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
1143	}	1525	}
1144	}	1526	}
1145	}	1527	}
1146		1528
…		…
1155	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1156		1538
1157	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
1159		1541
		1542	cf::get_slot 0.01;
		1543
1160	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1161	Coro::cede;	1545	cf::cede_to_tick;
1162	}	1546	}
1163		1547
1164	sub new($) {	1548	sub new($) {
1165	my ($login) = @_;	1549	my ($login) = @_;
1166		1550
…		…
1172	$cf::PLAYER{$login} = $self;	1556	$cf::PLAYER{$login} = $self;
1173		1557
1174	$self	1558	$self
1175	}	1559	}
1176		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
1177	=item $pl->quit_character	1571	=item $pl->quit_character
1178		1572
1179	Nukes the player without looking back. If logged in, the connection will	1573	Nukes the player without looking back. If logged in, the connection will
1180	be destroyed. May block for a long time.	1574	be destroyed. May block for a long time.
1181		1575
1182	=cut	1576	=cut
1183		1577
1184	sub quit_character {	1578	sub quit_character {
1185	my ($pl) = @_;	1579	my ($pl) = @_;
1186		1580
		1581	my $name = $pl->ob->name;
		1582
1187	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1189		1585
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1193	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1194		1592
1195	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1595	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1596	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1597	$pl->destroy;
		1598
		1599	my $prefix = qr<^~\Q$name\E/>;
		1600
		1601	# nuke player maps
		1602	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1603
1200	IO::AIO::aio_rmtree $temp;	1604	IO::AIO::aio_rmtree $temp;
		1605	}
		1606
		1607	=item $pl->kick
		1608
		1609	Kicks a player out of the game. This destroys the connection.
		1610
		1611	=cut
		1612
		1613	sub kick {
		1614	my ($pl, $kicker) = @_;
		1615
		1616	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1617	$pl->killer ("kicked");
		1618	$pl->ns->destroy;
1201	}	1619	}
1202		1620
1203	=item cf::player::list_logins	1621	=item cf::player::list_logins
1204		1622
1205	Returns am arrayref of all valid playernames in the system, can take a	1623	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1624	while and may block, so not sync_job-capable, ever.
1207		1625
1208	=cut	1626	=cut
1209		1627
1210	sub list_logins {	1628	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1629	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1630	or return [];
1213		1631
1214	my @logins;	1632	my @logins;
1215		1633
1216	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
1220		1644
1221	utf8::decode $login;	1645	utf8::decode $login;
1222	push @logins, $login;	1646	push @logins, $login;
1223	}	1647	}
1224		1648
1225	\@logins	1649	\@logins
1226	}	1650	}
1227		1651
1228	=item $player->maps	1652	=item $player->maps
1229		1653
1230	Returns an arrayref of cf::path's of all maps that are private for this	1654	Returns an arrayref of map paths that are private for this
1231	player. May block.	1655	player. May block.
1232		1656
1233	=cut	1657	=cut
1234		1658
1235	sub maps($) {	1659	sub maps($) {
1236	my ($pl) = @_;	1660	my ($pl) = @_;
		1661
		1662	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1663
1238	my $files = aio_readdir playerdir $pl	1664	my $files = aio_readdir playerdir $pl
1239	or return;	1665	or return;
1240		1666
1241	my @paths;	1667	my @paths;
…		…
1243	for (@$files) {	1669	for (@$files) {
1244	utf8::decode $_;	1670	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1671	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1672	next unless /^$PATH_SEP/o;
1247		1673
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1674	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1675	}
1250		1676
1251	\@paths	1677	\@paths
1252	}	1678	}
1253		1679
		1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1681
		1682	Expand deliantra pod fragments into protocol xml.
		1683
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1684	=item $player->ext_reply ($msgid, @msg)
1255		1685
1256	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1257		1687
1258	=cut	1688	=cut
1259		1689
1260	sub ext_reply($$$%) {	1690	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1691	my ($self, $id, @msg) = @_;
1262		1692
1263	$msg{msgid} = $id;	1693	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1694	}
1267		1695
1268	package cf;	1696	=item $player->ext_msg ($type, @msg)
		1697
		1698	Sends an ext event to the client.
		1699
		1700	=cut
		1701
		1702	sub ext_msg($$@) {
		1703	my ($self, $type, @msg) = @_;
		1704
		1705	$self->ns->ext_msg ($type, @msg);
		1706	}
		1707
		1708	=head3 cf::region
		1709
		1710	=over 4
		1711
		1712	=cut
		1713
		1714	package cf::region;
		1715
		1716	=item cf::region::find_by_path $path
		1717
		1718	Tries to decuce the likely region for a map knowing only its path.
		1719
		1720	=cut
		1721
		1722	sub find_by_path($) {
		1723	my ($path) = @_;
		1724
		1725	my ($match, $specificity);
		1726
		1727	for my $region (list) {
		1728	if ($region->{match} && $path =~ $region->{match}) {
		1729	($match, $specificity) = ($region, $region->specificity)
		1730	if $region->specificity > $specificity;
		1731	}
		1732	}
		1733
		1734	$match
		1735	}
1269		1736
1270	=back	1737	=back
1271
1272		1738
1273	=head3 cf::map	1739	=head3 cf::map
1274		1740
1275	=over 4	1741	=over 4
1276		1742
…		…
1279	package cf::map;	1745	package cf::map;
1280		1746
1281	use Fcntl;	1747	use Fcntl;
1282	use Coro::AIO;	1748	use Coro::AIO;
1283		1749
		1750	use overload
		1751	'""' => \&as_string,
		1752	fallback => 1;
		1753
1284	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1286		1756
1287	sub generate_random_map {	1757	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1761
1290	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1763	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1767	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1768	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1773	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1774	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1775	)
1305	}	1776	}
1306		1777
1307	# and all this just because we cannot iterate over	1778	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1779
1312	$_->change_map_light ($change)	1780	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1781	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1782	default).
1315		1783
1316	sub load_map_header($) {	1784	=cut
		1785
		1786	sub register {
		1787	my (undef, $regex, $prio) = @_;
		1788	my $pkg = caller;
		1789
		1790	no strict;
		1791	push @{"$pkg\::ISA"}, __PACKAGE__;
		1792
		1793	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1794	}
		1795
		1796	# also paths starting with '/'
		1797	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1798
		1799	sub thawer_merge {
		1800	my ($self, $merge) = @_;
		1801
		1802	# we have to keep some variables in memory intact
		1803	local $self->{path};
		1804	local $self->{load_path};
		1805
		1806	$self->SUPER::thawer_merge ($merge);
		1807	}
		1808
		1809	sub normalise {
1317	my ($path) = @_;	1810	my ($path, $base) = @_;
		1811
		1812	$path = "$path"; # make sure its a string
		1813
		1814	$path =~ s/\.map$//;
		1815
		1816	# map plan:
		1817	#
		1818	# /! non-realised random map exit (special hack!)
		1819	# {... are special paths that are not being touched
		1820	# ?xxx/... are special absolute paths
		1821	# ?random/... random maps
		1822	# /... normal maps
		1823	# ~user/... per-player map of a specific user
		1824
		1825	$path =~ s/$PATH_SEP/\//go;
		1826
		1827	# treat it as relative path if it starts with
		1828	# something that looks reasonable
		1829	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1830	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1831
		1832	$base =~ s{[^/]+/?$}{};
		1833	$path = "$base/$path";
		1834	}
		1835
		1836	for ($path) {
		1837	redo if s{//}{/};
		1838	redo if s{/\.?/}{/};
		1839	redo if s{/[^/]+/\.\./}{/};
		1840	}
		1841
		1842	$path
		1843	}
		1844
		1845	sub new_from_path {
		1846	my (undef, $path, $base) = @_;
		1847
		1848	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1849
		1850	$path = normalise $path, $base;
		1851
		1852	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1853	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1854	my $self = bless cf::map::new, $pkg;
		1855	$self->{path} = $path; $self->path ($path);
		1856	$self->init; # pass $1 etc.
		1857	return $self;
		1858	}
		1859	}
		1860
		1861	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1862	()
		1863	}
		1864
		1865	sub init {
		1866	my ($self) = @_;
		1867
		1868	$self
		1869	}
		1870
		1871	sub as_string {
		1872	my ($self) = @_;
		1873
		1874	"$self->{path}"
		1875	}
		1876
		1877	# the displayed name, this is a one way mapping
		1878	sub visible_name {
		1879	&as_string
		1880	}
		1881
		1882	# the original (read-only) location
		1883	sub load_path {
		1884	my ($self) = @_;
		1885
		1886	"$MAPDIR/$self->{path}.map"
		1887	}
		1888
		1889	# the temporary/swap location
		1890	sub save_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$TMPDIR/$path.map"
		1895	}
		1896
		1897	# the unique path, undef == no special unique path
		1898	sub uniq_path {
		1899	my ($self) = @_;
		1900
		1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1902	"$UNIQUEDIR/$path"
		1903	}
		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
		1913	sub unlink_save {
		1914	my ($self) = @_;
		1915
		1916	utf8::encode (my $save = $self->save_path);
		1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1919	}
		1920
		1921	sub load_header_from($) {
		1922	my ($self, $path) = @_;
1318		1923
1319	utf8::encode $path;	1924	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1321	or return;	1926	or return;
1322		1927
1323	my $map = cf::map::new	1928	$self->_load_header ($f)
1324	or return;	1929	or return;
1325		1930
1326	# for better error messages only, will be overwritten later	1931	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1932	$f->resolve_delayed_derefs;
1328		1933
1329	$map->load_header ($path)	1934	$self->{load_path} = $path;
		1935
		1936	1
		1937	}
		1938
		1939	sub load_header_orig {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->load_path)
		1943	}
		1944
		1945	sub load_header_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
		1968	}
		1969
		1970	sub load_header {
		1971	my ($self) = @_;
		1972
		1973	if ($self->load_header_temp) {
		1974	$self->prepare_temp;
		1975	} else {
		1976	$self->load_header_orig
1330	or return;	1977	or return;
		1978	$self->prepare_orig;
		1979	}
1331		1980
1332	$map->{load_path} = $path;	1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
1333		1983
1334	$map	1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
		1987	1
1335	}	1988	}
1336		1989
1337	sub find;	1990	sub find;
1338	sub find {	1991	sub find {
1339	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1340		1993
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1995
1346	cf::lock_wait "map_find:$key";	1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1350		1998
1351	# do it the slow way	1999	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2000	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2001	or return;
1365		2002
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1378		2004
1379	Coro::cede;	2005	$map->load_header
		2006	or return;
1380		2007
1381	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1382	$map->reset;	2013	$map->reset;
1383	undef $guard;
1384	$map = find $path	2014	return find $path;
1385	or return;
1386	}	2015	}
1387		2016
1388	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1389	}	2018	}
1390	}	2019	}
		2020
		2021	sub pre_load { }
		2022	#sub post_load { } # XS
1391		2023
1392	sub load {	2024	sub load {
1393	my ($self) = @_;	2025	my ($self) = @_;
1394		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1395	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1397		2033
		2034	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2036
1400	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1401		2038
1402	$self->alloc;	2039	$self->alloc;
1403	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1404	or return;	2047	or return;
1405		2048
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1407	if delete $self->{load_original};	2050	if delete $self->{load_original};
1408		2051
1409	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2053	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2056	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1414	}	2060	}
1415	}	2061	}
1416		2062
1417	Coro::cede;	2063	$f->resolve_delayed_derefs;
1418		2064
		2065	cf::cede_to_tick;
1419	# now do the right thing for maps	2066	# now do the right thing for maps
1420	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
1432	$self->activate;	2077	$self->activate;
1433	}	2078	}
1434		2079
1435	Coro::cede;	2080	$self->{last_save} = $cf::RUNTIME;
		2081	$self->last_access ($cf::RUNTIME);
1436		2082
1437	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
		2084	}
		2085
		2086	$self->post_load;
		2087	}
		2088
		2089	sub customise_for {
		2090	my ($self, $ob) = @_;
		2091
		2092	return find "~" . $ob->name . "/" . $self->{path}
		2093	if $self->per_player;
		2094
		2095	# return find "?party/" . $ob->name . "/" . $self->{path}
		2096	# if $self->per_party;
		2097
		2098	$self
1438	}	2099	}
1439		2100
1440	# find and load all maps in the 3x3 area around a map	2101	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2102	sub load_neighbours {
1442	my ($map) = @_;	2103	my ($map) = @_;
1443		2104
1444	my @diag; # diagonal neighbours	2105	my @neigh; # diagonal neighbours
1445		2106
1446	for (0 .. 3) {	2107	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2108	my $neigh = $map->tile_path ($_)
1448	or next;	2109	or next;
1449	$neigh = find $neigh, $map	2110	$neigh = find $neigh, $map
1450	or next;	2111	or next;
1451	$neigh->load;	2112	$neigh->load;
1452		2113
		2114	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2117	}
1456		2118
1457	for (@diag) {	2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2121	my $neigh = find $path, $origin
1459	or next;	2122	or next;
1460	$neigh->load;	2123	$neigh->load;
1461	}	2124	}
1462	}	2125	}
1463		2126
…		…
1468	}	2131	}
1469		2132
1470	sub do_load_sync {	2133	sub do_load_sync {
1471	my ($map) = @_;	2134	my ($map) = @_;
1472		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1473	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
1474	}	2140	}
1475		2141
1476	our %MAP_PREFETCH;	2142	our %MAP_PREFETCH;
		2143	our $MAP_PREFETCHER = undef;
		2144
		2145	sub find_async {
		2146	my ($path, $origin, $load) = @_;
		2147
		2148	$path = normalise $path, $origin && $origin->{path};
		2149
		2150	if (my $map = $cf::MAP{$path}) {
		2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2152	}
		2153
		2154	$MAP_PREFETCH{$path} |= $load;
		2155
1477	our $MAP_PREFETCHER = Coro::async {	2156	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2157	$Coro::current->{desc} = "map prefetcher";
		2158
1479	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2161	if (my $map = find $k) {
		2162	$map->load if $v;
		2163	}
		2164
1482	my $path = delete $MAP_PREFETCH{$key};	2165	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2166	}
1488	Coro::schedule;	2167	}
		2168	undef $MAP_PREFETCHER;
1489	}	2169	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2170	$MAP_PREFETCHER->prio (6);
1504		2171
1505	()	2172	()
1506	}	2173	}
1507		2174
1508	sub save {	2175	sub save {
1509	my ($self) = @_;	2176	my ($self) = @_;
1510		2177
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2179
1513	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
1514		2181
1515	return unless $self->dirty;	2182	return unless $self->dirty;
1516		2183
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2184	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2185	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2186
1520	$self->{load_path} = $save;	2187	$self->{load_path} = $save;
1521		2188
1522	return if $self->{deny_save};	2189	return if $self->{deny_save};
1523		2190
1524	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
1525		2192
1526	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
1527	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
1528	};	2196	};
1529		2197
		2198	cf::get_slot 0.02;
		2199
1530	if ($uniq) {	2200	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2203	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2205	}
1536	}	2206	}
1537		2207
1538	sub swap_out {	2208	sub swap_out {
1539	my ($self) = @_;	2209	my ($self) = @_;
1540		2210
1541	# save first because save cedes	2211	# save first because save cedes
1542	$self->save;	2212	$self->save;
1543		2213
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2215
1546	return if $self->players;	2216	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
1548	return if $self->{deny_save};	2218	return if $self->{deny_save};
1549		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
1550	$self->clear;	2224	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2225	}
1553		2226
1554	sub reset_at {	2227	sub reset_at {
1555	my ($self) = @_;	2228	my ($self) = @_;
1556		2229
1557	# TODO: safety, remove and allow resettable per-player maps	2230	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2231	return 1e99 if $self->{deny_reset};
1560		2232
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2233	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2234	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2235
…		…
1568	my ($self) = @_;	2240	my ($self) = @_;
1569		2241
1570	$self->reset_at <= $cf::RUNTIME	2242	$self->reset_at <= $cf::RUNTIME
1571	}	2243	}
1572		2244
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2245	sub reset {
1587	my ($self) = @_;	2246	my ($self) = @_;
1588		2247
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2249
1591	return if $self->players;	2250	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2251
1594	warn "resetting map ", $self->path;#d#	2252	warn "resetting map ", $self->path, "\n";
		2253
		2254	$self->in_memory (cf::MAP_SWAPPED);
		2255
		2256	# need to save uniques path
		2257	unless ($self->{deny_save}) {
		2258	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2259
		2260	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2261	if $uniq;
		2262	}
1595		2263
1596	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1597		2265
		2266	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2267	$_->clear_links_to ($self) for values %cf::MAP;
		2268	$self->clear;
1599		2269
1600	$self->{path}->unlink_save;	2270	$self->unlink_save;
1601	$self->destroy;	2271	$self->destroy;
1602	}	2272	}
1603		2273
1604	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
1605		2275
1606	sub nuke {	2276	sub nuke {
1607	my ($self) = @_;	2277	my ($self) = @_;
1608		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	delete $cf::MAP{$self->path};
		2283
		2284	$self->unlink_save;
		2285
		2286	bless $self, "cf::map";
		2287	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2291
		2292	$cf::MAP{$self->path} = $self;
		2293	}
		2294
1612	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
1613	}	2296	}
1614		2297
		2298	=item $maps = cf::map::tmp_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	maps. May block.
		2302
		2303	=cut
		2304
		2305	sub tmp_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise $_
		2311	: ()
		2312	} @{ aio_readdir $TMPDIR or [] }
		2313	]
		2314	}
		2315
		2316	=item $maps = cf::map::random_maps
		2317
		2318	Returns an arrayref with all map paths of currently instantiated and saved
		2319	random maps. May block.
		2320
		2321	=cut
		2322
		2323	sub random_maps() {
		2324	[
		2325	map {
		2326	utf8::decode $_;
		2327	/\.map$/
		2328	? normalise "?random/$_"
		2329	: ()
		2330	} @{ aio_readdir $RANDOMDIR or [] }
		2331	]
		2332	}
		2333
1615	=item cf::map::unique_maps	2334	=item cf::map::unique_maps
1616		2335
1617	Returns an arrayref of cf::path's of all shared maps that have	2336	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2337	instantiated unique items. May block.
1619		2338
1620	=cut	2339	=cut
1621		2340
1622	sub unique_maps() {	2341	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2342	[
1624	or return;	2343	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2344	utf8::decode $_;
1630	next if /\.pst$/;	2345	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2347	? ()
1633	push @paths, new cf::path $_;	2348	: normalise $_
		2349	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2350	]
1635
1636	\@paths
1637	}	2351	}
1638		2352
1639	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
1640		2384
1641	=back	2385	=back
1642		2386
1643	=head3 cf::object	2387	=head3 cf::object
1644		2388
…		…
1648		2392
1649	=over 4	2393	=over 4
1650		2394
1651	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
1652		2396
1653	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
1654		2399
1655	=cut	2400	=cut
1656		2401
1657	sub inv_recursive_;	2402	sub inv_recursive_;
1658	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
1661		2406
1662	sub inv_recursive {	2407	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
1664	}	2409	}
1665		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
1666	package cf;	2439	package cf;
1667		2440
1668	=back	2441	=back
1669		2442
1670	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
1676	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1677	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
1678	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
1679		2452
1680	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
1681		2468
1682	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2470	# with dialog boxes.
1684	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
1685	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
1687		2474
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2475	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2476
1690	if ($self->{record_replies}) {	2477	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2478	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2479
1692	} else {	2480	} else {
		2481	my $pl = $self->contr;
		2482
		2483	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2484	my $dialog = $pl->{npc_dialog};
		2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2486
		2487	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2490	}
1695	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
1696	}	2502	}
1697		2503
1698	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
1699		2505
1700	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
1713		2519
1714	=item $player_object->enter_link	2520	=item $player_object->enter_link
1715		2521
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2523
1718	The player should be reaosnably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
1719	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
		2528
		2529	Will never block.
1720		2530
1721	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
1722		2532
1723	Moves the player out of the specila link map onto the given map. If the	2533	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2534	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2535	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2536	fails, to the emergency map position.
1727		2537
1728	Might block.	2538	Might block.
1729		2539
1730	=cut	2540	=cut
		2541
		2542	sub link_map {
		2543	unless ($LINK_MAP) {
		2544	$LINK_MAP = cf::map::find "{link}"
		2545	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2546	$LINK_MAP->load;
		2547	}
		2548
		2549	$LINK_MAP
		2550	}
1731		2551
1732	sub cf::object::player::enter_link {	2552	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2553	my ($self) = @_;
1734		2554
1735	$self->deactivate_recursive;	2555	$self->deactivate_recursive;
1736		2556
1737	return if $self->map == $LINK_MAP;	2557	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2558
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2559	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2560	if $self->map && $self->map->{path} ne "{link}";
1741		2561
1742	$self->enter_map ($LINK_MAP, 20, 20);	2562	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2563	}
1744		2564
1745	sub cf::object::player::leave_link {	2565	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2566	my ($self, $map, $x, $y) = @_;
		2567
		2568	return unless $self->contr->active;
1747		2569
1748	my $link_pos = delete $self->{_link_pos};	2570	my $link_pos = delete $self->{_link_pos};
1749		2571
1750	unless ($map) {	2572	unless ($map) {
1751	# restore original map position	2573	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
1764		2586
1765	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
1768		2590
1769	$map->load;	2591	$map->load;
1770	$map->load_diag;	2592	$map->load_neighbours;
1771		2593
1772	return unless $self->contr->active;	2594	return unless $self->contr->active;
		2595
		2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
1773	$self->activate_recursive;	2600	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}	2601	}
1776		2602
1777	cf::player->attach (	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2604
1781	# abort map switching before logout	2605	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2606	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2607	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2608	the new (success) or old (failed) map position. In either case, $done will
1785	};	2609	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2610
1791	# try to abort aborted map switching on player login :)	2611	Note that $check will be called with a potentially non-loaded map, so if
1792	# should happen only on crashes	2612	it needs a loaded map it has to call C<< ->load >>.
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2613
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2614	=cut
		2615
		2616	our $GOTOGEN;
1812		2617
1813	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2619	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2620
1816	$path = new cf::path $path;	2621	# do generation counting so two concurrent goto's will be executed in-order
		2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2623
1818	$self->enter_link;	2624	$self->enter_link;
1819		2625
1820	(async {	2626	(async {
1821	my $map = cf::map::find $path->as_string;	2627	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2628
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
		2648	my $map = eval {
		2649	my $map = defined $path ? cf::map::find $path : undef;
		2650
1825	# if $map;	2651	if ($map) {
1826		2652	$map = $map->customise_for ($self);
		2653	$map = $check->($map) if $check && $map;
		2654	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	}
1828		2657
		2658	$map
		2659	};
		2660
		2661	if ($@) {
		2662	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	LOG llevError | logBacktrace, Carp::longmess $@;
		2664	}
		2665
		2666	if ($gen == $self->{_goto_generation}) {
		2667	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2668	$self->leave_link ($map, $x, $y);
		2669	}
		2670
		2671	$done->() if $done;
1830	})->prio (1);	2672	})->prio (1);
1831	}	2673	}
1832		2674
1833	=item $player_object->enter_exit ($exit_object)	2675	=item $player_object->enter_exit ($exit_object)
1834		2676
…		…
1836		2678
1837	sub parse_random_map_params {	2679	sub parse_random_map_params {
1838	my ($spec) = @_;	2680	my ($spec) = @_;
1839		2681
1840	my $rmp = { # defaults	2682	my $rmp = { # defaults
1841	xsize => 10,	2683	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2684	ysize => (cf::rndm 15, 40),
		2685	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2686	#layout => string,
1843	};	2687	};
1844		2688
1845	for (split /\n/, $spec) {	2689	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2690	my ($k, $v) = split /\s+/, $_, 2;
1847		2691
…		…
1859	# that depends on the exit object	2703	# that depends on the exit object
1860		2704
1861	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
1862		2706
1863	if ($exit->map) {	2707	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2708	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
1868	}	2714	}
1869		2715
1870	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
1871		2717
1872	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
		2720	my $meta = "$RANDOMDIR/$md5.meta";
1874		2721
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
		2724	undef $fh;
		2725	aio_rename "$meta~", $meta;
1877		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
1880	}	2733	}
1881	}	2734	}
1882		2735
1883	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
1887		2740
1888	$self->enter_link;	2741	$self->enter_link;
1889		2742
1890	(async {	2743	(async {
1891	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
1892	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
1893	prepare_random_map $exit	2753	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2754	if $exit->slaying eq "/!";
		2755	}
1895		2756
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
1898		2760
		2761	$self->goto ($map, $x, $y);
		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
1899	1;	2767	1
1900	}) {	2768	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2773
1906	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2775	$self->leave_link;
1908	}	2776	}
1909	})->prio (1);	2777	})->prio (1);
…		…
1922		2790
1923	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
1925		2793
1926	utf8::encode $text;	2794	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2796	}
1929		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
		2821	}
		2822
		2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2824
		2825	Send a drawinfo or msg packet to the client, formatting the msg for the
		2826	client if neccessary. C<$type> should be a string identifying the type of
		2827	the message, with C<log> being the default. If C<$color> is negative, suppress
		2828	the message unless the client supports the msg packet.
		2829
		2830	=cut
		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
		2946	sub cf::client::send_msg {
		2947	my ($self, $channel, $msg, $color, @extra) = @_;
		2948
		2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
		2951
		2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
		2961	} elsif (ref $channel) {
		2962	# send meta info to client, if not yet sent
		2963	unless (exists $self->{channel}{$channel->{id}}) {
		2964	$self->{channel}{$channel->{id}} = $channel;
		2965	$self->ext_msg (channel_info => $channel);
		2966	}
		2967
		2968	$channel = $channel->{id};
		2969	}
		2970
		2971	return unless @extra || length $msg;
		2972
		2973	# default colour, mask it out
		2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2975	if $color & cf::NDI_DEF;
		2976
		2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
		2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2980	);
		2981
		2982	$self->send_big_packet ($pkt);
		2983	}
		2984
		2985	=item $client->ext_msg ($type, @msg)
		2986
		2987	Sends an ext event to the client.
		2988
		2989	=cut
		2990
		2991	sub cf::client::ext_msg($$@) {
		2992	my ($self, $type, @msg) = @_;
		2993
		2994	if ($self->extcmd == 2) {
		2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2996	} elsif ($self->extcmd == 1) { # TODO: remove
		2997	push @msg, msgtype => "event_$type";
		2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3017	}
		3018	}
1930		3019
1931	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
1932		3021
1933	Queues a query to the client, calling the given callback with	3022	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		3025
1937	Queries can fail, so check the return code. Or don't, as queries will become	3026	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	3027	become reliable at some point in the future.
1939		3028
1940	=cut	3029	=cut
1941		3030
1942	sub cf::client::query {	3031	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3032	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3040	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3042
1954	$self->send_packet ($self->{query_queue}[0][0])	3043	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3044	if @{ $self->{query_queue} } == 1;
		3045
		3046	1
1956	}	3047	}
1957		3048
1958	cf::client->attach (	3049	cf::client->attach (
		3050	on_connect => sub {
		3051	my ($ns) = @_;
		3052
		3053	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3054	},
1959	on_reply => sub {	3055	on_reply => sub {
1960	my ($ns, $msg) = @_;	3056	my ($ns, $msg) = @_;
1961		3057
1962	# this weird shuffling is so that direct followup queries	3058	# this weird shuffling is so that direct followup queries
1963	# get handled first	3059	# get handled first
1964	my $queue = delete $ns->{query_queue}	3060	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3061	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3062
1967	(shift @$queue)->[1]->($msg);	3063	(shift @$queue)->[1]->($msg);
		3064	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3065
1969	push @{ $ns->{query_queue} }, @$queue;	3066	push @{ $ns->{query_queue} }, @$queue;
1970		3067
1971	if (@{ $ns->{query_queue} } == @$queue) {	3068	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3069	if (@$queue) {
…		…
1974	} else {	3071	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3072	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3073	}
1977	}	3074	}
1978	},	3075	},
		3076	on_exticmd => sub {
		3077	my ($ns, $buf) = @_;
		3078
		3079	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3080
		3081	if (ref $msg) {
		3082	my ($type, $reply, @payload) =
		3083	"ARRAY" eq ref $msg
		3084	? @$msg
		3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3086
		3087	my @reply;
		3088
		3089	if (my $cb = $EXTICMD{$type}) {
		3090	@reply = $cb->($ns, @payload);
		3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
		3096	} else {
		3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3098	}
		3099
		3100	cf::override;
		3101	},
1979	);	3102	);
1980		3103
1981	=item $client->async (\&cb)	3104	=item $client->async (\&cb)
1982		3105
1983	Create a new coroutine, running the specified callback. The coroutine will	3106	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2026		3149
2027	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2028		3151
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
2030		3157
2031	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
2032		3159
2033	=pod	3160	=pod
2034		3161
2035	The following fucntions and emthods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2036		3163
2037	cf::object contr pay_amount pay_player map	3164	cf::object
		3165	contr pay_amount pay_player map x y force_find force_add destroy
		3166	insert remove name archname title slaying race decrease split
		3167	value
		3168
2038	cf::object::player player	3169	cf::object::player
2039	cf::player peaceful	3170	player
2040	cf::map trigger	3171
		3172	cf::player
		3173	peaceful
		3174
		3175	cf::map
		3176	trigger
2041		3177
2042	=cut	3178	=cut
2043		3179
2044	for (	3180	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2049	) {	3187	) {
2050	no strict 'refs';	3188	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2070		3208
2071	my $qcode = $code;	3209	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2074		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2075	local $_;	3216	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3217
2078	my $eval =	3218	my $eval =
2079	"do {\n"	3219	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3222	. $code
2083	. "\n}"	3223	. "\n}"
2084	;	3224	;
2085		3225
		3226	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2089		3235
2090	if ($@) {	3236	if ($@) {
2091	warn "$@";	3237	warn "$@";
2092	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2093	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2112	=cut	3258	=cut
2113		3259
2114	sub register_script_function {	3260	sub register_script_function {
2115	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2116		3262
2117	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2119	}	3265	}
2120		3266
2121	=back	3267	=back
2122		3268
2123	=cut	3269	=cut
2124		3270
2125	#############################################################################	3271	#############################################################################
		3272	# the server's init and main functions
2126		3273
2127	=head2 EXTENSION DATABASE SUPPORT	3274	sub load_facedata($) {
		3275	my ($path) = @_;
2128		3276
2129	Crossfire maintains a very simple database for extension use. It can	3277	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3278	# for this (global event?)
2131	excludes objects.	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3280
2133	The parameter C<$family> should best start with the name of the extension	3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3282
2136	=over 4	3283	warn "loading facedata from $path\n";
2137		3284
2138	=item $hashref = cf::db_get $family	3285	my $facedata;
		3286	0 < aio_load $path, $facedata
		3287	or die "$path: $!";
2139		3288
2140	Return a hashref for use by the extension C<$family>, which can be	3289	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3290
2144	=item $value = cf::db_get $family => $key	3291	$facedata->{version} == 2
		3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3293
2146	Returns a single value from the database	3294	# patch in the exptable
2147		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148	=item cf::db_put $family => $hashref	3296	$facedata->{resource}{"res/exp_table"} = {
2149		3297	type => FT_RSRC,
2150	Stores the given family hashref into the database. Updates are delayed, if	3298	data => $exp_table,
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3299	hash => (Digest::MD5::md5 $exp_table),
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3300	};
		3301	cf::cede_to_tick;
2199		3302
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3303	{
		3304	my $faces = $facedata->{faceinfo};
2204		3305
2205	sub db_get($;$) {	3306	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3308
2211	sub db_put($$;$) {	3309	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3313
2220	cf::global->attach (	3314	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3315	}
2225	);
2226	}
2227		3316
2228	#############################################################################	3317	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3318	next unless $info->{smooth};
2230		3319
2231	sub cfg_load {	3320	my $idx = cf::face::find $face
		3321	or next;
		3322
		3323	if (my $smooth = cf::face::find $info->{smooth}) {
		3324	cf::face::set_smooth $idx, $smooth;
		3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3326	} else {
		3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3328	}
		3329
		3330	cf::cede_to_tick;
		3331	}
		3332	}
		3333
		3334	{
		3335	my $anims = $facedata->{animinfo};
		3336
		3337	while (my ($anim, $info) = each %$anims) {
		3338	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3339	cf::cede_to_tick;
		3340	}
		3341
		3342	cf::anim::invalidate_all; # d'oh
		3343	}
		3344
		3345	{
		3346	my $res = $facedata->{resource};
		3347
		3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
		3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3351
		3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
		3354	} else {
		3355	$RESOURCE{$name} = $info;
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3363
		3364	1
		3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
		3386
		3387	register_exticmd fx_want => sub {
		3388	my ($ns, $want) = @_;
		3389
		3390	while (my ($k, $v) = each %$want) {
		3391	$ns->fx_want ($k, $v);
		3392	}
		3393	};
		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
		3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
		3410	load_resource_file "$MAPDIR/regions"
		3411	or die "unable to load regions file\n";
		3412
		3413	for (cf::region::list) {
		3414	$_->{match} = qr/$_->{match}/
		3415	if exists $_->{match};
		3416	}
		3417	}
		3418
		3419	sub reload_facedata {
		3420	load_facedata "$DATADIR/facedata"
		3421	or die "unable to load facedata\n";
		3422	}
		3423
		3424	sub reload_archetypes {
		3425	load_resource_file "$DATADIR/archetypes"
		3426	or die "unable to load archetypes\n";
		3427	}
		3428
		3429	sub reload_treasures {
		3430	load_resource_file "$DATADIR/treasures"
		3431	or die "unable to load treasurelists\n";
		3432	}
		3433
		3434	sub reload_resources {
		3435	warn "reloading resource files...\n";
		3436
		3437	reload_facedata;
		3438	reload_archetypes;
		3439	reload_regions;
		3440	reload_treasures;
		3441
		3442	warn "finished reloading resource files\n";
		3443	}
		3444
		3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3449	or return;
2234		3450
2235	local $/;	3451	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
2237		3453
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2239		3455
2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2246	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2247	};	3463	};
2248	warn $@ if $@;	3464	warn $@ if $@;
2249	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2250	}	3496	}
2251		3497
2252	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
2253	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256	async { Event::one_event };	3516	(async {
		3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
		3519	})->prio (Coro::PRIO_MAX);
2257	};	3520	};
2258		3521
2259	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
2260	db_load;	3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
		3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
2261	load_extensions;	3541	load_extensions;
2262	Event::loop;	3542
		3543	utime time, time, $RUNTIMEFILE;
		3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
2263	}	3553	}
2264		3554
2265	#############################################################################	3555	#############################################################################
2266	# initialisation and cleanup	3556	# initialisation and cleanup
2267		3557
2268	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
2269	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
2276	},
2277	);	3564	};
		3565	}
		3566	}
		3567
		3568	sub write_runtime_sync {
		3569	# first touch the runtime file to show we are still running:
		3570	# the fsync below can take a very very long time.
		3571
		3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3573
		3574	my $guard = cf::lock_acquire "write_runtime";
		3575
		3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3577	or return;
		3578
		3579	my $value = $cf::RUNTIME + 90 + 10;
		3580	# 10 is the runtime save interval, for a monotonic clock
		3581	# 60 allows for the watchdog to kill the server.
		3582
		3583	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3584	and return;
		3585
		3586	# always fsync - this file is important
		3587	aio_fsync $fh
		3588	and return;
		3589
		3590	# touch it again to show we are up-to-date
		3591	aio_utime $fh, undef, undef;
		3592
		3593	close $fh
		3594	or return;
		3595
		3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3597	and return;
		3598
		3599	warn "runtime file written.\n";
		3600
2278	}	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
2279	}	3652	}
2280		3653
2281	sub emergency_save() {	3654	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
2283		3656
2284	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
2285		3658
2286	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
2287	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3673	$pl->save;
2295	}	3674	}
2296	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
2297		3676
2298	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3680	$map->valid or next;
2302	$map->save;	3681	$map->save;
2303	}	3682	}
2304	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
		3684
		3685	warn "emergency_perl_save: begin database checkpoint\n";
		3686	BDB::db_env_txn_checkpoint $DB_ENV;
		3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
2305	};	3692	};
2306		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
2307	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
2308	}	3700	}
2309		3701
		3702	sub post_cleanup {
		3703	my ($make_core) = @_;
		3704
		3705	warn Carp::longmess "post_cleanup backtrace"
		3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
		3736	}
		3737
2310	sub reload() {	3738	sub do_reload_perl() {
2311	# can/must only be called in main	3739	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3741	warn "can only reload from main coroutine";
2314	return;	3742	return;
2315	}	3743	}
2316		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
2317	warn "reloading...";	3750	warn "reloading...";
2318		3751
2319	warn "freezing server";	3752	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3753
		3754	cf::sync_job {
		3755	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3756	cf::emergency_save;
		3757	cf::write_runtime_sync; # external watchdog should not bark
2322		3758
2323	warn "sync database to disk";	3759	warn "syncing database to disk";
2324	cf::db_sync;	3760	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3761
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
2329		3763
2330	warn "cancel all watchers";	3764	warn "flushing outstanding aio requests";
2331	for (Event::all_watchers) {	3765	while (IO::AIO::nreqs || BDB::nreqs) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();
2338
2339	warn "remove commands";
2340	%COMMAND = ();
2341
2342	warn "remove ext commands";
2343	%EXTCMD = ();
2344
2345	warn "unload/nuke all extensions";
2346	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";
2348
2349	if (my $cb = $pkg->can ("unload")) {
2350	eval {
2351	$cb->($pkg);
2352	1
2353	} or warn "$pkg unloaded, but with errors: $@";
2354	}	3767	}
2355		3768
		3769	warn "cancelling all extension coros";
		3770	$_->cancel for values %EXT_CORO;
		3771	%EXT_CORO = ();
		3772
		3773	warn "removing commands";
		3774	%COMMAND = ();
		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
2356	warn "... nuking $pkg";	3782	warn "... unloading $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359		3783
2360	warn "unload all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363
2364	warn "removing <$k>";
2365	delete $INC{$k};
2366
2367	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;
2369
2370	if (my $cb = $k->can ("unload_module")) {	3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
2371	$cb->();	3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
2372	}	3793	}
2373		3794
2374	Symbol::delete_package $k;	3795	warn "unloading all perl modules loaded from $LIBDIR";
		3796	while (my ($k, $v) = each %INC) {
		3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
2375	}	3810	}
2376		3811
2377	warn "get rid of safe::, as good as possible";	3812	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3815
2381	warn "unload cf.pm \"a bit\"";	3816	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
		3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3819
2384	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3821	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
2387		3823
		3824	warn "unload completed, starting to reload now";
		3825
2388	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
2389	require cf;	3827	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
2391		3829
2392	warn "load config and database again";	3830	warn "loading config and database again";
2393	cf::cfg_load;	3831	cf::reload_config;
2394	cf::db_load;
2395		3832
2396	warn "load extensions";	3833	warn "loading extensions";
2397	cf::load_extensions;	3834	cf::load_extensions;
2398		3835
		3836	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3837	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3838	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3839	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
		3841	warn "reattaching attachments to players";
		3842	reattach $_ for values %PLAYER;
		3843	}
		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
		3848	warn "leaving sync_job";
		3849
		3850	1
		3851	} or do {
		3852	warn $@;
		3853	cf::cleanup "error while reloading, exiting.";
		3854	};
		3855
		3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
		3862	};
		3863
		3864	our $RELOAD_WATCHER; # used only during reload
		3865
		3866	sub reload_perl() {
		3867	# doing reload synchronously and two reloads happen back-to-back,
		3868	# coro crashes during coro_state_free->destroy here.
		3869
		3870	$RELOAD_WATCHER ||= cf::async {
		3871	Coro::AIO::aio_wait cache_extensions;
		3872
		3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3874	do_reload_perl;
		3875	undef $RELOAD_WATCHER;
		3876	};
2403	};	3877	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3878	}
2456		3879
2457	register_command "reload" => sub {	3880	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
2459		3882
2460	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
		3887	reload_perl;
		3888	};
2464	}	3889	}
2465	};	3890	};
2466		3891
2467	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
2468		3893
2469	$TICK_WATCHER = Event->timer (	3894	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		3895
		3896	our @WAIT_FOR_TICK;
		3897	our @WAIT_FOR_TICK_BEGIN;
		3898
		3899	sub wait_for_tick {
		3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3901
		3902	my $signal = new Coro::Signal;
		3903	push @WAIT_FOR_TICK, $signal;
		3904	$signal->wait;
		3905	}
		3906
		3907	sub wait_for_tick_begin {
		3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3909
		3910	my $signal = new Coro::Signal;
		3911	push @WAIT_FOR_TICK_BEGIN, $signal;
		3912	$signal->wait;
		3913	}
		3914
		3915	sub tick {
		3916	if ($Coro::current != $Coro::main) {
		3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3918	unless ++$bug_warning > 10;
		3919	return;
		3920	}
		3921
2477	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		3923
2481	$WAIT_FOR_TICK->broadcast;	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		3925
2484	# if we are delayed by four ticks or more, skip them all	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		3928	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	3929	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	3930	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	3931	or warn "ERROR: unable to write runtime file: $!";
2510	})->();	3932	};
2511	},	3933	}
2512	);	3934
		3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3936	$sig->send;
		3937	}
		3938	while (my $sig = shift @WAIT_FOR_TICK) {
		3939	$sig->send;
		3940	}
		3941
		3942	$LOAD = ($NOW - $TICK_START) / $TICK;
		3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3944
		3945	if (0) {
		3946	if ($NEXT_TICK) {
		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
		3951	}
		3952	}
		3953
		3954	{
		3955	# configure BDB
		3956
		3957	BDB::min_parallel 8;
		3958	BDB::max_poll_reqs $TICK * 0.1;
		3959	$AnyEvent::BDB::WATCHER->priority (1);
		3960
		3961	unless ($DB_ENV) {
		3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3968
		3969	cf::sync_job {
		3970	eval {
		3971	BDB::db_env_open
		3972	$DB_ENV,
		3973	$BDBDIR,
		3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3976	0666;
		3977
		3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3979	};
		3980
		3981	cf::cleanup "db_env_open(db): $@" if $@;
		3982	};
		3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
		3994	}
		3995
		3996	{
		3997	# configure IO::AIO
		3998
		3999	IO::AIO::min_parallel 8;
		4000	IO::AIO::max_poll_time $TICK * 0.1;
		4001	undef $AnyEvent::AIO::WATCHER;
		4002	}
		4003
		4004	my $_log_backtrace;
		4005
		4006	sub _log_backtrace {
		4007	my ($msg, @addr) = @_;
		4008
		4009	$msg =~ s/\n//;
		4010
		4011	# limit the # of concurrent backtraces
		4012	if ($_log_backtrace < 2) {
		4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
		4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
		4018	my @bt = fork_call {
		4019	@addr = map { sprintf "%x", $_ } @addr;
		4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4022	or die "addr2line: $!";
		4023
		4024	my @funcs;
		4025	my @res = <$fh>;
		4026	chomp for @res;
		4027	while (@res) {
		4028	my ($func, $line) = splice @res, 0, 2, ();
		4029	push @funcs, "[$func] $line";
		4030	}
		4031
		4032	@funcs
		4033	};
		4034
		4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4037	LOG llevInfo, "[ABT] $_\n" for @bt;
		4038	--$_log_backtrace;
		4039	};
		4040	} else {
		4041	LOG llevInfo, "[ABT] $msg\n";
		4042	LOG llevInfo, "[ABT] [suppressed]\n";
		4043	}
		4044	}
		4045
		4046	# load additional modules
		4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
2513		4049
2514	END { cf::emergency_save }	4050	END { cf::emergency_save }
2515		4051
2516	1	4052	1
2517		4053

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