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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.520 by root, Fri Apr 16 02:37:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
28		66
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		71
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
33		80
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	118	our $NEXT_TICK;
46	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
47		127
48	our %CFG;	128	our %CFG;
49		129
50	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
52		133
53	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	137
57	our %EXT_CORO; # coroutines bound to extensions	138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
58		150
59	binmode STDOUT;	151	binmode STDOUT;
60	binmode STDERR;	152	binmode STDERR;
61		153
62	# read virtual server time, if available	154	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
67	}	159	}
68		160
69	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		162
75	# a special map that is always available	163	mkdir $_
76	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
77	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		180
79	#############################################################################	181	#############################################################################
80		182
81	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
82		184
…		…
89	=item $cf::RUNTIME	191	=item $cf::RUNTIME
90		192
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	194	every server tick.
93		195
94	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		199
96	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
98		204
99	=item $cf::NOW	205	=item $cf::NOW
100		206
101	The time of the last (current) server tick.	207	The time of the last (current) server tick.
102		208
103	=item $cf::TICK	209	=item $cf::TICK
104		210
105	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
106		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
107	=item %cf::CFG	223	=item %cf::CFG
108		224
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	226	from wherever your confdir points to.
111		227
		228	=item cf::wait_for_tick, cf::wait_for_tick_begin
		229
		230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		231	returns directly I<after> the tick processing (and consequently, can only wake one process
		232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
112	=back	246	=back
113		247
114	=cut	248	=cut
115		249
116	BEGIN {	250	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	251	my $msg = join "", @_;
119	utf8::encode $msg;
120		252
121	$msg .= "\n"	253	$msg .= "\n"
122	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
123		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
124	LOG llevError, $msg;	258	LOG llevError, $msg;
125	};	259	};
126	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
127		274
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		282
135	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	284	# within the Safe compartment.
137	for my $pkg (qw(	285	for my $pkg (qw(
138	cf::global cf::attachable	286	cf::global cf::attachable
139	cf::object cf::object::player	287	cf::object cf::object::player
140	cf::client cf::player	288	cf::client cf::player
141	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
142	cf::map cf::party cf::region	291	cf::party cf::region
143	)) {	292	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	294	}
147		295
148	$Event::DIED = sub {	296	$EV::DIED = sub {
149	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
150	};	298	};
151		299
152	my %ext_pkg;	300	#############################################################################
153	my @exts;
154	my @hook;
155		301
156	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
157		303
158	=over 4	304	=over 4
159		305
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	325	$d
180	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
181	}	327	}
182		328
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
186		330
187	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
188		332
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
197		334
198	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
199		336
200	=cut	337	=cut
201		338
202	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
204	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
205	}	356	}
206		357
207	=item cf::lock_wait $string	358	=item cf::lock_wait $string
208		359
209	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
210		361
211	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
212		363
213	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
216	returned.	367	returned.
217		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
218	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
220		374
221	=cut	375	=item $locked = cf::lock_active $string
222		376
223	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
224		382
225	sub lock_wait($) {	383	sub lock_wait($) {
226	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	385	}
234		386
235	sub lock_acquire($) {	387	sub lock_acquire($) {
236	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
237		390
238	# wait, to be sure we are not locked	391	sub lock_active($) {
239	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	393	}
248		394
249	sub freeze_mainloop {	395	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
251		397
252	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	399	}
254	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
255	}	481	}
256		482
257	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
258		484
259	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		490
265	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
266		492
267	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
268		494
269	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
272		499
273	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
276	fast or be very important.	503	fast or be very important.
…		…
279		506
280	sub sync_job(&) {	507	sub sync_job(&) {
281	my ($job) = @_;	508	my ($job) = @_;
282		509
283	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
284	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
286		515
287	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	517
289	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
290		519
291	my $busy = 1;	520	my $busy = 1;
292	my @res;	521	my @res;
293		522
294	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	525	@res = eval { $job->() };
296	warn $@ if $@;	526	warn $@ if $@;
297	undef $busy;	527	undef $busy;
298	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
299		529
300	while ($busy) {	530	while ($busy) {
301	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
302	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
303		541
304	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
305	} else {	543	} else {
306	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
307		545
…		…
309	}	547	}
310	}	548	}
311		549
312	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
313		551
314	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	553	extension calling this is being unloaded.
316		554
317	=cut	555	=cut
318		556
319	sub async_ext(&) {	557	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
328		566
329	$coro	567	$coro
330	}	568	}
331		569
332	sub write_runtime {	570	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		571
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
336	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
337		576
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		578
342	aio_fsync $fh	579	sub fork_call(&@) {
343	and return;	580	my ($cb, @args) = @_;
344		581
345	close $fh	582	# we seemingly have to make a local copy of the whole thing,
346	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
347		585
348	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
349	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
350		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
351	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	768	}
353		769
354	=back	770	=back
355		771
356	=cut	772	=cut
357		773
358	#############################################################################	774	#############################################################################
359		775
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
483		777
484	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
485	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
487		781
488	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	784	Deliantra).
491		785
492	=over 4	786	=over 4
493		787
494	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
495		789
…		…
539	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
540		834
541	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
543		837
544	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
545	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
546		840
547	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
548		842
549	=over 4	843	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	904	our @CB_MAP = ();
611		905
612	my %attachment;	906	my %attachment;
613		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
614	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
616		916
617	use sort 'stable';	917	use sort 'stable';
618		918
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
653		953
654	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		958
659	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	960	my $pkg = shift @arg;
661		961
662	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
692	}	992	}
693		993
694	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
695	} else {	995	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	997	}
698		998
699	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
700	}	1000	}
701		1001
…		…
703	if (ref $_[0]) {	1003	if (ref $_[0]) {
704	_object_attach @_;	1004	_object_attach @_;
705	} else {	1005	} else {
706	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
707	}	1007	}
		1008	_recalc_want;
708	};	1009	};
709		1010
710	# all those should be optimised	1011	# all those should be optimised
711	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
716	reattach ($obj);	1017	reattach ($obj);
717	} else {	1018	} else {
718	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
719	}	1020	}
		1021	_recalc_want;
720	};	1022	};
721		1023
722	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
724		1026
…		…
739	";	1041	";
740	die if $@;	1042	die if $@;
741	}	1043	}
742		1044
743	our $override;	1045	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		1047
746	sub override {	1048	sub override {
747	$override = 1;	1049	$override = 1;
748	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
749	}	1051	}
750		1052
751	sub do_invoke {	1053	sub do_invoke {
752	my $event = shift;	1054	my $event = shift;
753	my $callbacks = shift;	1055	my $callbacks = shift;
754		1056
755	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
756		1058
757	local $override;	1059	local $override;
758		1060
759	for (@$callbacks) {	1061	for (@$callbacks) {
760	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
769	}	1071	}
770		1072
771	0	1073	0
772	}	1074	}
773		1075
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1077
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1079
778	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
779		1081
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1085
784	=back	1086	=back
785		1087
786	=cut	1088	=cut
787		1089
788	#############################################################################	1090	#############################################################################
789	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
790		1134
791	sub reattach {	1135	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1141
795	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
796		1143
797	@$registry = ();	1144	@$registry = ();
798		1145
…		…
813	cf::attachable->attach (	1160	cf::attachable->attach (
814	prio => -1000000,	1161	prio => -1000000,
815	on_instantiate => sub {	1162	on_instantiate => sub {
816	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
817		1164
818	$data = from_json $data;	1165	$data = decode_json $data;
819		1166
820	for (@$data) {	1167	for (@$data) {
821	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
822		1169
823	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1186	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
841		1188
842	sync_job {	1189	sync_job {
843	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
846		1194
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
850	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
851	close $fh;	1202	aio_close $fh;
852		1203
853	if (@$objs) {	1204	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
858	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
859	close $fh;	1213	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
861	}	1215	}
862	} else {	1216	} else {
863	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
864	}	1218	}
865		1219
866	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1224	} else {
868	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
869	}	1226	}
870	} else {	1227	} else {
871	aio_unlink $filename;	1228	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
873	}	1230	}
874	}	1231	};
875	}	1232	}
876		1233
877	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
879		1236
…		…
891	or return;	1248	or return;
892		1249
893	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
895	or return;	1252	or return;
		1253
896	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
897	}	1256	}
898		1257
		1258	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
901	return ($data, $av);	1262	($data, $av)
902	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
903		1270
904	#############################################################################	1271	#############################################################################
905	# command handling &c	1272	# command handling &c
906		1273
907	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1288	}
922		1289
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1291
925	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
926		1297
927	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
928	called.	1299	called.
929		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
930	=cut	1312	=cut
931		1313
932	sub register_extcmd {	1314	sub register_extcmd {
933	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
934		1316
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
939	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
940		1327
941	cf::player->attach (	1328	cf::player->attach (
942	on_command => sub {	1329	on_unknown_command => sub {
943	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
944		1331
945	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
946	or return;	1333	or return;
947		1334
…		…
952	cf::override;	1339	cf::override;
953	},	1340	},
954	on_extcmd => sub {	1341	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
956		1343
957	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1345
959	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
965	} else {	1361	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1363	}
968		1364
969	cf::override;	1365	cf::override;
970	},	1366	},
971	);	1367	);
972		1368
973	sub register {	1369	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1370	sub cache_extensions {
980	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
981		1372
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1376	}
1032	}	1377	};
1033		1378
1034	# remove extcmds	1379	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1380	}
1048		1381
1049	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1050	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1387	next unless -r $path;
1052	eval {	1388
1053	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
1054	1	1449	}
1055	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
1056	}	1460	};
1057	}	1461	}
1058		1462
1059	#############################################################################	1463	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1464
1062	*cf::mapsupport::on_clean = sub {	1465	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1466
1097	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1098		1468
1099	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1100		1470
1101	=cut	1471	=cut
1102		1472
1103	package cf::player;	1473	package cf::player;
1104		1474
…		…
1106		1476
1107	=head3 cf::player	1477	=head3 cf::player
1108		1478
1109	=over 4	1479	=over 4
1110		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
1111	=item cf::player::find $login	1495	=item cf::player::find $login
1112		1496
1113	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1114		1498
1115	=cut	1499	=cut
1116		1500
1117	sub playerdir($) {	1501	sub playerdir($) {
1118	cf::localdir	1502	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1504	}
1124		1505
1125	sub path($) {	1506	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1508
1128	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
1129	}	1510	}
1130		1511
1131	sub find_active($) {	1512	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
1136		1517
1137	sub exists($) {	1518	sub exists($) {
1138	my ($login) = @_;	1519	my ($login) = @_;
1139		1520
1140	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
1142	}	1523	}
1143		1524
1144	sub find($) {	1525	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1527	my $login = $_[0];
1147		1528
1148	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
1149		1530
1150	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1154	}	1548	}
1155	}	1549	}
1156	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1157		1564
1158	sub save($) {	1565	sub save($) {
1159	my ($pl) = @_;	1566	my ($pl) = @_;
1160		1567
1161	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1166	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1167		1574
1168	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1170		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1171	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1172	Coro::cede;	1584	cf::cede_to_tick;
1173	}	1585	}
1174		1586
1175	sub new($) {	1587	sub new($) {
1176	my ($login) = @_;	1588	my ($login) = @_;
1177		1589
…		…
1183	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1184		1596
1185	$self	1597	$self
1186	}	1598	}
1187		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1188	=item $pl->quit_character	1610	=item $pl->quit_character
1189		1611
1190	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1192		1614
1193	=cut	1615	=cut
1194		1616
1195	sub quit_character {	1617	sub quit_character {
1196	my ($pl) = @_;	1618	my ($pl) = @_;
1197		1619
		1620	my $name = $pl->ob->name;
		1621
1198	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1200		1624
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1205		1631
1206	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
1211	IO::AIO::aio_rmtree $temp;	1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
1212	}	1658	}
1213		1659
1214	=item cf::player::list_logins	1660	=item cf::player::list_logins
1215		1661
1216	Returns am arrayref of all valid playernames in the system, can take a	1662	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1218		1664
1219	=cut	1665	=cut
1220		1666
1221	sub list_logins {	1667	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1669	or return [];
1224		1670
1225	my @logins;	1671	my @logins;
1226		1672
1227	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1231		1683
1232	utf8::decode $login;	1684	utf8::decode $login;
1233	push @logins, $login;	1685	push @logins, $login;
1234	}	1686	}
1235		1687
1236	\@logins	1688	\@logins
1237	}	1689	}
1238		1690
1239	=item $player->maps	1691	=item $player->maps
1240		1692
1241	Returns an arrayref of cf::path's of all maps that are private for this	1693	Returns an arrayref of map paths that are private for this
1242	player. May block.	1694	player. May block.
1243		1695
1244	=cut	1696	=cut
1245		1697
1246	sub maps($) {	1698	sub maps($) {
1247	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1702
1249	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1250	or return;	1704	or return;
1251		1705
1252	my @paths;	1706	my @paths;
1253		1707
1254	for (@$files) {	1708	for (@$files) {
1255	utf8::decode $_;	1709	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1711	next unless /^$PATH_SEP/o;
1258		1712
1259	s/$PATH_SEP/\//g;	1713	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1714	}
1262		1715
1263	\@paths	1716	\@paths
1264	}	1717	}
1265		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1267		1724
1268	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1269		1726
1270	=cut	1727	=cut
1271		1728
1272	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1274		1731
1275	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1733	}
1279		1734
1280	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1281		1775
1282	=back	1776	=back
1283
1284		1777
1285	=head3 cf::map	1778	=head3 cf::map
1286		1779
1287	=over 4	1780	=over 4
1288		1781
…		…
1291	package cf::map;	1784	package cf::map;
1292		1785
1293	use Fcntl;	1786	use Fcntl;
1294	use Coro::AIO;	1787	use Coro::AIO;
1295		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1296	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1298		1795
1299	sub generate_random_map {	1796	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1800
1302	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1802	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1811	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1316	}	1815	}
1317		1816
1318	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1818
1323	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1821	default).
1326		1822
1327	sub try_load_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1328	my ($path) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
		1854
		1855	# map plan:
		1856	#
		1857	# /! non-realised random map exit (special hack!)
		1858	# {... are special paths that are not being touched
		1859	# ?xxx/... are special absolute paths
		1860	# ?random/... random maps
		1861	# /... normal maps
		1862	# ~user/... per-player map of a specific user
		1863
		1864	$path =~ s/$PATH_SEP/\//go;
		1865
		1866	# treat it as relative path if it starts with
		1867	# something that looks reasonable
		1868	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1869	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1870
		1871	$base =~ s{[^/]+/?$}{};
		1872	$path = "$base/$path";
		1873	}
		1874
		1875	for ($path) {
		1876	redo if s{//}{/};
		1877	redo if s{/\.?/}{/};
		1878	redo if s{/[^/]+/\.\./}{/};
		1879	}
		1880
		1881	$path
		1882	}
		1883
		1884	sub new_from_path {
		1885	my (undef, $path, $base) = @_;
		1886
		1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1888
		1889	$path = normalise $path, $base;
		1890
		1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1893	my $self = bless cf::map::new, $pkg;
		1894	$self->{path} = $path; $self->path ($path);
		1895	$self->init; # pass $1 etc.
		1896	return $self;
		1897	}
		1898	}
		1899
		1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1901	()
		1902	}
		1903
		1904	sub init {
		1905	my ($self) = @_;
		1906
		1907	$self
		1908	}
		1909
		1910	sub as_string {
		1911	my ($self) = @_;
		1912
		1913	"$self->{path}"
		1914	}
		1915
		1916	# the displayed name, this is a one way mapping
		1917	sub visible_name {
		1918	&as_string
		1919	}
		1920
		1921	# the original (read-only) location
		1922	sub load_path {
		1923	my ($self) = @_;
		1924
		1925	"$MAPDIR/$self->{path}.map"
		1926	}
		1927
		1928	# the temporary/swap location
		1929	sub save_path {
		1930	my ($self) = @_;
		1931
		1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$TMPDIR/$path.map"
		1934	}
		1935
		1936	# the unique path, undef == no special unique path
		1937	sub uniq_path {
		1938	my ($self) = @_;
		1939
		1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1941	"$UNIQUEDIR/$path"
		1942	}
		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
		1960	sub load_header_from($) {
		1961	my ($self, $path) = @_;
1329		1962
1330	utf8::encode $path;	1963	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1332	or return;	1965	or return;
1333		1966
1334	my $map = cf::map::new	1967	$self->_load_header ($f)
1335	or return;	1968	or return;
1336		1969
1337	# for better error messages only, will be overwritten	1970	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1339		1972
1340	$map->load_header ($path)	1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1341	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1342		2019
1343	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1344		2022
1345	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1346	}	2027	}
1347		2028
1348	sub find;	2029	sub find;
1349	sub find {	2030	sub find {
1350	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1351		2032
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		2034
1357	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1361		2037
1362	# do it the slow way	2038	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	2039	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	2040	or return;
1381		2041
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1394		2043
1395	Coro::cede;	2044	$map->load_header
		2045	or return;
1396		2046
1397	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1398	$map->reset;	2052	$map->reset;
1399	undef $guard;
1400	$map = find $path	2053	return find $path;
1401	or return;
1402	}	2054	}
1403		2055
1404	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1405	}	2057	}
1406	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1407		2062
1408	sub load {	2063	sub load {
1409	my ($self) = @_;	2064	my ($self) = @_;
1410		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1411	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1413		2072
		2073	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2075
1416	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1417		2077
1418	$self->alloc;	2078	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1420	or return;	2086	or return;
1421		2087
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1423	if delete $self->{load_original};	2089	if delete $self->{load_original};
1424		2090
1425	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2092	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2095	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1430	}	2099	}
1431	}	2100	}
1432		2101
1433	Coro::cede;	2102	$f->resolve_delayed_derefs;
1434		2103
		2104	cf::cede_to_tick;
1435	# now do the right thing for maps	2105	# now do the right thing for maps
1436	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2108	unless $self->difficulty;
		2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1448	$self->activate;	2116	$self->activate;
1449	}	2117	}
1450		2118
1451	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1452		2121
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
		2131	sub customise_for {
		2132	my ($self, $ob) = @_;
		2133
		2134	return find "~" . $ob->name . "/" . $self->{path}
		2135	if $self->per_player;
		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
		2140	$self
		2141	}
		2142
		2143	# find and load all maps in the 3x3 area around a map
		2144	sub load_neighbours {
		2145	my ($map) = @_;
		2146
		2147	my @neigh; # diagonal neighbours
		2148
		2149	for (0 .. 3) {
		2150	my $neigh = $map->tile_path ($_)
		2151	or next;
		2152	$neigh = find $neigh, $map
		2153	or next;
		2154	$neigh->load;
		2155
		2156	push @neigh,
		2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2159	}
		2160
		2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
		2163	my $neigh = find $path, $origin
		2164	or next;
		2165	$neigh->load;
		2166	}
1454	}	2167	}
1455		2168
1456	sub find_sync {	2169	sub find_sync {
1457	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1458		2171
1459	cf::sync_job { cf::map::find $path, $origin }	2172	cf::sync_job { find $path, $origin }
1460	}	2173	}
1461		2174
1462	sub do_load_sync {	2175	sub do_load_sync {
1463	my ($map) = @_;	2176	my ($map) = @_;
1464		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1465	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
		2182	}
		2183
		2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
		2211	};
		2212	$MAP_PREFETCHER->prio (6);
		2213
		2214	()
		2215	}
		2216
		2217	# common code, used by both ->save and ->swapout
		2218	sub _save {
		2219	my ($self) = @_;
		2220
		2221	$self->{last_save} = $cf::RUNTIME;
		2222
		2223	return unless $self->dirty;
		2224
		2225	my $save = $self->save_path; utf8::encode $save;
		2226	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2227
		2228	$self->{load_path} = $save;
		2229
		2230	return if $self->{deny_save};
		2231
		2232	local $self->{last_access} = $self->last_access;#d#
		2233
		2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
		2236	$_->contr->save for $self->players;
		2237	};
		2238
		2239	cf::get_slot 0.02;
		2240
		2241	if ($uniq) {
		2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2244	} else {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2246	}
1466	}	2247	}
1467		2248
1468	sub save {	2249	sub save {
1469	my ($self) = @_;	2250	my ($self) = @_;
1470		2251
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2253
1473	$self->{last_save} = $cf::RUNTIME;	2254	$self->_save;
1474
1475	return unless $self->dirty;
1476
1477	my $save = $self->{path}->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1479
1480	$self->{load_path} = $save;
1481
1482	return if $self->{deny_save};
1483
1484	local $self->{last_access} = $self->last_access;#d#
1485
1486	cf::async {
1487	$_->contr->save for $self->players;
1488	};
1489
1490	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}
1496	}	2255	}
1497		2256
1498	sub swap_out {	2257	sub swap_out {
1499	my ($self) = @_;	2258	my ($self) = @_;
1500		2259
1501	# save first because save cedes
1502	$self->save;
1503
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1506	return if $self->players;	2264	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};
1509		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1510	$self->clear;	2275	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2276	}
1513		2277
1514	sub reset_at {	2278	sub reset_at {
1515	my ($self) = @_;	2279	my ($self) = @_;
1516		2280
1517	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1520		2283
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2286
…		…
1528	my ($self) = @_;	2291	my ($self) = @_;
1529		2292
1530	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1531	}	2294	}
1532		2295
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2296	sub reset {
1555	my ($self) = @_;	2297	my ($self) = @_;
1556		2298
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2300
1559	return if $self->players;	2301	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2302
1562	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
		2304
		2305	$self->in_memory (cf::MAP_SWAPPED);
		2306
		2307	# need to save uniques path
		2308	unless ($self->{deny_save}) {
		2309	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2310
		2311	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2312	if $uniq;
		2313	}
1563		2314
1564	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1565		2316
		2317	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2318	$_->clear_links_to ($self) for values %cf::MAP;
		2319	$self->clear;
1567		2320
1568	$self->unlink_save;	2321	$self->unlink_save;
1569	$self->destroy;	2322	$self->destroy;
1570	}	2323	}
1571		2324
1572	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1573		2326
1574	sub nuke {	2327	sub nuke {
1575	my ($self) = @_;	2328	my ($self) = @_;
1576		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
		2333	delete $cf::MAP{$self->path};
		2334
		2335	$self->unlink_save;
		2336
		2337	bless $self, "cf::map";
		2338	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1580	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
1581	}	2347	}
1582		2348
1583	sub customise_for {	2349	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2350
1586	if ($map->per_player) {	2351	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
1588	}	2357	[
1589		2358	map {
1590	$map	2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
1591	}	2365	}
1592		2366
1593	sub emergency_save {	2367	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2368
1596	warn "enter emergency perl save\n";	2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
1597		2371
1598	cf::sync_job {	2372	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2373
1603	warn "begin emergency map save\n";	2374	sub random_maps() {
1604	$_->save for values %cf::MAP;	2375	[
1605	warn "end emergency map save\n";	2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
		2383	}
		2384
		2385	=item cf::map::unique_maps
		2386
		2387	Returns an arrayref of paths of all shared maps that have
		2388	instantiated unique items. May block.
		2389
		2390	=cut
		2391
		2392	sub unique_maps() {
		2393	[
		2394	map {
		2395	utf8::decode $_;
		2396	s/\.map$//; # TODO future compatibility hack
		2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
		2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
		2401	]
		2402	}
		2403
		2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
1606	};	2431	}
1607		2432
1608	warn "leave emergency perl save\n";	2433	\@maps
		2434	}
		2435
		2436	=back
		2437
		2438	=head3 cf::object
		2439
		2440	=cut
		2441
		2442	package cf::object;
		2443
		2444	=over 4
		2445
		2446	=item $ob->inv_recursive
		2447
		2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
		2450
		2451	=cut
		2452
		2453	sub inv_recursive_;
		2454	sub inv_recursive_ {
		2455	map { $_, inv_recursive_ $_->inv } @_
		2456	}
		2457
		2458	sub inv_recursive {
		2459	inv_recursive_ inv $_[0]
		2460	}
		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
1609	}	2488	}
1610		2489
1611	package cf;	2490	package cf;
1612		2491
1613	=back	2492	=back
1614
1615		2493
1616	=head3 cf::object::player	2494	=head3 cf::object::player
1617		2495
1618	=over 4	2496	=over 4
1619		2497
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1625		2503
1626	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1627		2519
1628	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2521	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1633		2525
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2527
1636	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1638	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1641	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1642	}	2553	}
1643		2554
1644	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1645		2556
1646	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1659		2570
1660	=item $player_object->enter_link	2571	=item $player_object->enter_link
1661		2572
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2574
1664	The player should be reaosnably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
		2579
		2580	Will never block.
1666		2581
1667	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1668		2583
1669	Moves the player out of the specila link map onto the given map. If the	2584	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2585	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2586	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2587	fails, to the emergency map position.
1673		2588
1674	Might block.	2589	Might block.
1675		2590
1676	=cut	2591	=cut
		2592
		2593	sub link_map {
		2594	unless ($LINK_MAP) {
		2595	$LINK_MAP = cf::map::find "{link}"
		2596	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2597	$LINK_MAP->load;
		2598	}
		2599
		2600	$LINK_MAP
		2601	}
1677		2602
1678	sub cf::object::player::enter_link {	2603	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2604	my ($self) = @_;
1680		2605
1681	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1682		2607
1683	return if $self->map == $LINK_MAP;	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2609
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1687		2612
1688	$self->enter_map ($LINK_MAP, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1689	}	2614	}
1690		2615
1691	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1693		2620
1694	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1695		2622
1696	unless ($map) {	2623	unless ($map) {
1697	# restore original map position	2624	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1710		2637
1711	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1714		2641
1715	$map->load;	2642	$map->load;
		2643	$map->load_neighbours;
1716		2644
1717	return unless $self->contr->active;	2645	return unless $self->contr->active;
		2646
		2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2651	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2652	}
1721		2653
1722	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2655
1726	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1730	};	2660	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2661
1736	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2664
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1757		2668
1758	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2671
1761	$path = new cf::path $path;	2672	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2674
1764	$self->enter_link;	2675	$self->enter_link;
1765		2676
1766	(async {	2677	(async {
1767	my $map = cf::map::find $path->as_string;	2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
		2699	my $map = eval {
		2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1769		2704	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
1774		2708
		2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
		2715	}
		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1776	})->prio (1);	2723	})->prio (1);
1777	}	2724	}
1778		2725
1779	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1780		2727
…		…
1782		2729
1783	sub parse_random_map_params {	2730	sub parse_random_map_params {
1784	my ($spec) = @_;	2731	my ($spec) = @_;
1785		2732
1786	my $rmp = { # defaults	2733	my $rmp = { # defaults
1787	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1789	};	2738	};
1790		2739
1791	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1793		2742
…		…
1805	# that depends on the exit object	2754	# that depends on the exit object
1806		2755
1807	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1808		2757
1809	if ($exit->map) {	2758	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1814	}	2765	}
1815		2766
1816	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1817		2768
1818	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1820		2772
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
		2775	undef $fh;
		2776	aio_rename "$meta~", $meta;
1823		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1826	}	2784	}
1827	}	2785	}
1828		2786
1829	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1833		2791
1834	$self->enter_link;	2792	$self->enter_link;
1835		2793
1836	(async {	2794	(async {
1837	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1838	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
1839	prepare_random_map $exit	2804	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1841		2807
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1844		2811
		2812	$self->goto ($map, $x, $y);
		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
1845	1;	2818	1
1846	}) {	2819	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2822	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2824
1852	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2826	$self->leave_link;
1854	}	2827	}
1855	})->prio (1);	2828	})->prio (1);
…		…
1868		2841
1869	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1871		2844
1872	utf8::encode $text;	2845	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2847	}
1875		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
		3036	=item $client->ext_msg ($type, @msg)
		3037
		3038	Sends an ext event to the client.
		3039
		3040	=cut
		3041
		3042	sub cf::client::ext_msg($$@) {
		3043	my ($self, $type, @msg) = @_;
		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
		3048	push @msg, msgtype => "event_$type";
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
		3069	}
1876		3070
1877	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1878		3072
1879	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3076
1883	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3078	become reliable at some point in the future.
1885		3079
1886	=cut	3080	=cut
1887		3081
1888	sub cf::client::query {	3082	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3091	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3093
1900	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1902	}	3098	}
1903		3099
1904	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1905	on_reply => sub {	3106	on_reply => sub {
1906	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1907		3108
1908	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1909	# get handled first	3110	# get handled first
1910	my $queue = delete $ns->{query_queue}	3111	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3113
1913	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3116
1915	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1916		3118
1917	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3120	if (@$queue) {
…		…
1920	} else {	3122	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3124	}
1923	}	3125	}
1924	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
1925	);	3153	);
1926		3154
1927	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
1928		3156
1929	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
1945		3173
1946	$coro	3174	$coro
1947	}	3175	}
1948		3176
1949	cf::client->attach (	3177	cf::client->attach (
1950	on_destroy => sub {	3178	on_client_destroy => sub {
1951	my ($ns) = @_;	3179	my ($ns) = @_;
1952		3180
1953	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1954	},	3182	},
1955	);	3183	);
…		…
1970	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
1972		3200
1973	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
1974		3202
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
1976		3208
1977	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
1978		3210
1979	=pod	3211	=pod
1980		3212
1981	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
1982		3214
1983	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
1984	cf::object::player player	3220	cf::object::player
1985	cf::player peaceful	3221	player
1986	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
1987		3228
1988	=cut	3229	=cut
1989		3230
1990	for (	3231	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
1995	) {	3238	) {
1996	no strict 'refs';	3239	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2016		3259
2017	my $qcode = $code;	3260	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2020		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2021	local $_;	3267	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3268
2024	my $eval =	3269	my $eval =
2025	"do {\n"	3270	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3273	. $code
2029	. "\n}"	3274	. "\n}"
2030	;	3275	;
2031		3276
		3277	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2035		3286
2036	if ($@) {	3287	if ($@) {
2037	warn "$@";	3288	warn "$@";
2038	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2039	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2058	=cut	3309	=cut
2059		3310
2060	sub register_script_function {	3311	sub register_script_function {
2061	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2062		3313
2063	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2064	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2065	}	3316	}
2066		3317
2067	=back	3318	=back
2068		3319
2069	=cut	3320	=cut
2070		3321
2071	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
2072		3324
2073	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
2074		3327
2075	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
2077	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3331
2079	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3333
2082	=over 4	3334	warn "loading facedata from $path\n";
2083		3335
2084	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
2085		3339
2086	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3341
2090	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3344
2092	Returns a single value from the database	3345	# patch in the exptable
2093		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2094	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
2095		3348	type => FT_RSRC,
2096	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3351	};
		3352	cf::cede_to_tick;
2145		3353
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
2150		3356
2151	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3359
2157	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3364
2166	cf::global->attach (	3365	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3366	}
2171	);
2172	}
2173		3367
2174	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3369	next unless $info->{smooth};
2176		3370
2177	sub cfg_load {	3371	my $idx = cf::face::find $face
		3372	or next;
		3373
		3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
		3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3377	} else {
		3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3379	}
		3380
		3381	cf::cede_to_tick;
		3382	}
		3383	}
		3384
		3385	{
		3386	my $anims = $facedata->{animinfo};
		3387
		3388	while (my ($anim, $info) = each %$anims) {
		3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3390	cf::cede_to_tick;
		3391	}
		3392
		3393	cf::anim::invalidate_all; # d'oh
		3394	}
		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
		3415	1
		3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
		3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
		3461	load_resource_file "$MAPDIR/regions"
		3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
		3468	}
		3469
		3470	sub reload_facedata {
		3471	load_facedata "$DATADIR/facedata"
		3472	or die "unable to load facedata\n";
		3473	}
		3474
		3475	sub reload_archetypes {
		3476	load_resource_file "$DATADIR/archetypes"
		3477	or die "unable to load archetypes\n";
		3478	}
		3479
		3480	sub reload_treasures {
		3481	load_resource_file "$DATADIR/treasures"
		3482	or die "unable to load treasurelists\n";
		3483	}
		3484
		3485	sub reload_resources {
		3486	warn "reloading resource files...\n";
		3487
		3488	reload_facedata;
		3489	reload_archetypes;
		3490	reload_regions;
		3491	reload_treasures;
		3492
		3493	warn "finished reloading resource files\n";
		3494	}
		3495
		3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3500	or return;
2180		3501
2181	local $/;	3502	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2183		3504
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3506
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3514	};
2194	warn $@ if $@;	3515	warn $@ if $@;
2195	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3547	}
2197		3548
2198	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2199	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3562	(async {
		3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
2203	};	3566	};
2204		3567
2205	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
		3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2207	load_extensions;	3591	load_extensions;
2208	Event::loop;	3592
		3593	utime time, time, $RUNTIMEFILE;
		3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2209	}	3606	}
2210		3607
2211	#############################################################################	3608	#############################################################################
2212	# initialisation	3609	# initialisation and cleanup
2213		3610
		3611	# install some emergency cleanup handlers
		3612	BEGIN {
		3613	our %SIGWATCHER = ();
		3614	for my $signal (qw(INT HUP TERM)) {
		3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3616	cf::cleanup "SIG$signal";
		3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
		3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
		3707	}
		3708
		3709	sub emergency_save() {
		3710	my $freeze_guard = cf::freeze_mainloop;
		3711
		3712	warn "emergency_perl_save: enter\n";
		3713
		3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
		3720	# use a peculiar iteration method to avoid tripping on perl
		3721	# refcount bugs in for. also avoids problems with players
		3722	# and maps saved/destroyed asynchronously.
		3723	warn "emergency_perl_save: begin player save\n";
		3724	for my $login (keys %cf::PLAYER) {
		3725	my $pl = $cf::PLAYER{$login} or next;
		3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3728	$pl->save;
		3729	}
		3730	warn "emergency_perl_save: end player save\n";
		3731
		3732	warn "emergency_perl_save: begin map save\n";
		3733	for my $path (keys %cf::MAP) {
		3734	my $map = $cf::MAP{$path} or next;
		3735	$map->valid or next;
		3736	$map->save;
		3737	}
		3738	warn "emergency_perl_save: end map save\n";
		3739
		3740	warn "emergency_perl_save: begin database checkpoint\n";
		3741	BDB::db_env_txn_checkpoint $DB_ENV;
		3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
		3747	};
		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
		3754	warn "emergency_perl_save: leave\n";
		3755	}
		3756
		3757	sub post_cleanup {
		3758	my ($make_core) = @_;
		3759
		3760	warn Carp::longmess "post_cleanup backtrace"
		3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	}
		3791
2214	sub reload() {	3792	sub do_reload_perl() {
2215	# can/must only be called in main	3793	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3794	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3795	warn "can only reload from main coroutine";
2218	return;	3796	return;
2219	}	3797	}
2220		3798
		3799	return if $RELOAD++;
		3800
		3801	my $t1 = AE::time;
		3802
		3803	while ($RELOAD) {
2221	warn "reloading...";	3804	warn "reloading...";
2222		3805
2223	my $guard = freeze_mainloop;	3806	warn "entering sync_job";
		3807
		3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3810	cf::emergency_save;
		3811	cf::write_runtime_sync; # external watchdog should not bark
2225		3812
2226	eval {	3813	warn "syncing database to disk";
		3814	BDB::db_env_txn_checkpoint $DB_ENV;
		3815
2227	# if anything goes wrong in here, we should simply crash as we already saved	3816	# if anything goes wrong in here, we should simply crash as we already saved
2228		3817
2229	# cancel all watchers	3818	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3819	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3820	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3821	}
2257		3822
2258	Symbol::delete_package $k;	3823	warn "cancelling all extension coros";
		3824	$_->cancel for values %EXT_CORO;
		3825	%EXT_CORO = ();
		3826
		3827	warn "removing commands";
		3828	%COMMAND = ();
		3829
		3830	warn "removing ext/exti commands";
		3831	%EXTCMD = ();
		3832	%EXTICMD = ();
		3833
		3834	warn "unloading/nuking all extensions";
		3835	for my $pkg (@EXTS) {
		3836	warn "... unloading $pkg";
		3837
		3838	if (my $cb = $pkg->can ("unload")) {
		3839	eval {
		3840	$cb->($pkg);
		3841	1
		3842	} or warn "$pkg unloaded, but with errors: $@";
		3843	}
		3844
		3845	warn "... clearing $pkg";
		3846	clear_package $pkg;
2259	}	3847	}
2260		3848
2261	# sync database to disk	3849	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3850	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3851	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3852
		3853	warn "... unloading $k";
		3854	delete $INC{$k};
		3855
		3856	$k =~ s/\.pm$//;
		3857	$k =~ s/\//::/g;
		3858
		3859	if (my $cb = $k->can ("unload_module")) {
		3860	$cb->();
		3861	}
		3862
		3863	clear_package $k;
		3864	}
		3865
2265	# get rid of safe::, as good as possible	3866	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3867	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3868	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3869
2269	# remove register_script_function callbacks	3870	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3871	delete $INC{"cf.pm"};
		3872	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3873
2275	# don't, removes xs symbols, too,	3874	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3875	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3876	#clear_package __PACKAGE__;
2278		3877
2279	# reload cf.pm	3878	warn "unload completed, starting to reload now";
		3879
2280	warn "reloading cf.pm";	3880	warn "reloading cf.pm";
2281	require cf;	3881	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3882	cf::_connect_to_perl_1;
2283		3883
2284	# load config and database again	3884	warn "loading config and database again";
2285	cf::cfg_load;	3885	cf::reload_config;
2286	cf::db_load;
2287		3886
2288	# load extensions
2289	warn "load extensions";	3887	warn "loading extensions";
2290	cf::load_extensions;	3888	cf::load_extensions;
2291		3889
2292	# reattach attachments to objects	3890	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3891	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3892	_global_reattach; # objects, sockets
		3893	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3894	reattach $_ for values %MAP;
		3895	warn "reattaching attachments to players";
		3896	reattach $_ for values %PLAYER;
		3897	}
		3898
		3899	warn "running post_init jobs";
		3900	(pop @POST_INIT)->(1) while @POST_INIT;
		3901
		3902	warn "leaving sync_job";
		3903
		3904	1
		3905	} or do {
		3906	warn $@;
		3907	cf::cleanup "error while reloading, exiting.";
		3908	};
		3909
		3910	warn "reloaded";
		3911	--$RELOAD;
		3912	}
		3913
		3914	$t1 = AE::time - $t1;
		3915	warn "reload completed in ${t1}s\n";
		3916	};
		3917
		3918	our $RELOAD_WATCHER; # used only during reload
		3919
		3920	sub reload_perl() {
		3921	# doing reload synchronously and two reloads happen back-to-back,
		3922	# coro crashes during coro_state_free->destroy here.
		3923
		3924	$RELOAD_WATCHER ||= cf::async {
		3925	Coro::AIO::aio_wait cache_extensions;
		3926
		3927	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3928	do_reload_perl;
		3929	undef $RELOAD_WATCHER;
		3930	};
2296	};	3931	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3932	}
2349
2350	register "<global>", __PACKAGE__;
2351		3933
2352	register_command "reload" => sub {	3934	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3935	my ($who, $arg) = @_;
2354		3936
2355	if ($who->flag (FLAG_WIZ)) {	3937	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3938	$who->message ("reloading server.");
		3939	async {
		3940	$Coro::current->{desc} = "perl_reload";
		3941	reload_perl;
		3942	};
2359	}	3943	}
2360	};	3944	};
2361		3945
2362	unshift @INC, $LIBDIR;	3946	unshift @INC, $LIBDIR;
2363		3947
2364	$TICK_WATCHER = Event->timer (	3948	my $bug_warning = 0;
2365	reentrant => 0,	3949
2366	prio => 0,	3950	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3951	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3952
2369	cb => sub {	3953	sub wait_for_tick {
		3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3955
		3956	my $signal = new Coro::Signal;
		3957	push @WAIT_FOR_TICK, $signal;
		3958	$signal->wait;
		3959	}
		3960
		3961	sub wait_for_tick_begin {
		3962	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3963
		3964	my $signal = new Coro::Signal;
		3965	push @WAIT_FOR_TICK_BEGIN, $signal;
		3966	$signal->wait;
		3967	}
		3968
		3969	sub tick {
		3970	if ($Coro::current != $Coro::main) {
		3971	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3972	unless ++$bug_warning > 10;
		3973	return;
		3974	}
		3975
2370	cf::server_tick; # one server iteration	3976	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3977
2374	# if we are delayed by four ticks or more, skip them all	3978	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		3979
2377	$TICK_WATCHER->at ($NEXT_TICK);	3980	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2378	$TICK_WATCHER->start;	3981	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2379	},	3982	Coro::async_pool {
2380	);	3983	$Coro::current->{desc} = "runtime saver";
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3984	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3985	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3986	};
2401	},	3987	}
2402	);	3988
		3989	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3990	$sig->send;
		3991	}
		3992	while (my $sig = shift @WAIT_FOR_TICK) {
		3993	$sig->send;
		3994	}
		3995
		3996	$LOAD = ($NOW - $TICK_START) / $TICK;
		3997	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3998
		3999	if (0) {
		4000	if ($NEXT_TICK) {
		4001	my $jitter = $TICK_START - $NEXT_TICK;
		4002	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4003	warn "jitter $JITTER\n";#d#
		4004	}
		4005	}
		4006	}
		4007
		4008	{
		4009	# configure BDB
		4010
		4011	BDB::min_parallel 16;
		4012	BDB::max_poll_reqs $TICK * 0.1;
		4013	$AnyEvent::BDB::WATCHER->priority (1);
		4014
		4015	unless ($DB_ENV) {
		4016	$DB_ENV = BDB::db_env_create;
		4017	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4018	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4019	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4020	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4021	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4022
		4023	cf::sync_job {
		4024	eval {
		4025	BDB::db_env_open
		4026	$DB_ENV,
		4027	$BDBDIR,
		4028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4030	0666;
		4031
		4032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4033	};
		4034
		4035	cf::cleanup "db_env_open(db): $@" if $@;
		4036	};
		4037	}
		4038
		4039	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4040	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4041	};
		4042	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4043	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4044	};
		4045	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4046	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4047	};
		4048	}
		4049
		4050	{
		4051	# configure IO::AIO
		4052
		4053	IO::AIO::min_parallel 8;
		4054	IO::AIO::max_poll_time $TICK * 0.1;
		4055	undef $AnyEvent::AIO::WATCHER;
		4056	}
		4057
		4058	my $_log_backtrace;
		4059
		4060	sub _log_backtrace {
		4061	my ($msg, @addr) = @_;
		4062
		4063	$msg =~ s/\n//;
		4064
		4065	# limit the # of concurrent backtraces
		4066	if ($_log_backtrace < 2) {
		4067	++$_log_backtrace;
		4068	my $perl_bt = Carp::longmess $msg;
		4069	async {
		4070	$Coro::current->{desc} = "abt $msg";
		4071
		4072	my @bt = fork_call {
		4073	@addr = map { sprintf "%x", $_ } @addr;
		4074	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4075	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4076	or die "addr2line: $!";
		4077
		4078	my @funcs;
		4079	my @res = <$fh>;
		4080	chomp for @res;
		4081	while (@res) {
		4082	my ($func, $line) = splice @res, 0, 2, ();
		4083	push @funcs, "[$func] $line";
		4084	}
		4085
		4086	@funcs
		4087	};
		4088
		4089	LOG llevInfo, "[ABT] $perl_bt\n";
		4090	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4091	LOG llevInfo, "[ABT] $_\n" for @bt;
		4092	--$_log_backtrace;
		4093	};
		4094	} else {
		4095	LOG llevInfo, "[ABT] $msg\n";
		4096	LOG llevInfo, "[ABT] [suppressed]\n";
		4097	}
		4098	}
		4099
		4100	# load additional modules
		4101	require "cf/$_.pm" for @EXTRA_MODULES;
		4102	cf::_connect_to_perl_2;
2403		4103
2404	END { cf::emergency_save }	4104	END { cf::emergency_save }
2405		4105
2406	1	4106	1
2407		4107

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