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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 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
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$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
30		71
31	$Coro::main->prio (2); # 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" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	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
44	our $NEXT_TICK;	118	our $NEXT_TICK;
45	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);
46		127
47	our %CFG;	128	our %CFG;
48		129
49	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
51		133
52	our %MAP; # all maps	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO;	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 $REALLY_UNLOOP; # never set to true, please :)
57		150
58	binmode STDOUT;	151	binmode STDOUT;
59	binmode STDERR;	152	binmode STDERR;
60		153
61	# read virtual server time, if available	154	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
66	}	159	}
67		160
68	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		162
74	# a special map that is always available	163	mkdir $_
75	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		165
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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, "cfperl: $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
160	=cut	306	=item dumpval $ref
161		307
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
163		309
		310	sub dumpval {
		311	eval {
		312	local $SIG{__DIE__};
		313	my $d;
		314	if (1) {
		315	$d = new Data::Dumper([$_[0]], ["*var"]);
		316	$d->Terse(1);
		317	$d->Indent(2);
		318	$d->Quotekeys(0);
		319	$d->Useqq(1);
		320	#$d->Bless(...);
		321	$d->Seen($_[1]) if @_ > 1;
		322	$d = $d->Dump();
		323	}
		324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		325	$d
		326	} || "[unable to dump $_[0]: '$@']";
		327	}
		328
164	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
165		330
166	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
167		332
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
176		334
177	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
178		336
179	=cut	337	=cut
180		338
181	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		340
186	=item my $guard = cf::guard { BLOCK }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
187		343
188	Run the given callback when the guard object gets destroyed (useful for	344	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		345
191	You can call C<< ->cancel >> on the guard object to stop the block from	346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	347	but I<before> the server starts ticking again.
193		348
194	=cut	349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
195		351
196	sub guard(&) {	352	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		353
200	sub cf::guard::cancel {	354	sub post_init(&) {
201	${$_[0]} = sub { };	355	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	356	}
207		357
208	=item cf::lock_wait $string	358	=item cf::lock_wait $string
209		359
210	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
211		361
212	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
213		363
214	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
215	a 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,
216	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
217	returned.	367	returned.
218		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
219	Lock names should begin with a unique identifier (for example, find_map	372	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	373	uses map_find and cf::map::load uses map_load).
221		374
222	=cut	375	=item $locked = cf::lock_active $string
223		376
224	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
225		382
226	sub lock_wait($) {	383	sub lock_wait($) {
227	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	385	}
235		386
236	sub lock_acquire($) {	387	sub lock_acquire($) {
237	my ($key) = @_;	388	$LOCKS->guard ($_[0])
238
239	# wait, to be sure we are not locked
240	lock_wait $key;
241
242	$LOCK{$key} = [];
243
244	cf::guard {
245	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };
247	}
248	}	389	}
		390
		391	sub lock_active($) {
		392	$LOCKS->count ($_[0]) < 1
		393	}
		394
		395	sub freeze_mainloop {
		396	tick_inhibit_inc;
		397
		398	&Guard::guard (\&tick_inhibit_dec);
		399	}
		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	$sig->wait;
		481	}
		482
		483	=item cf::async { BLOCK }
		484
		485	Currently the same as Coro::async_pool, meaning you cannot use
		486	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		487	thing you are allowed to do is call C<prio> on it.
		488
		489	=cut
		490
		491	BEGIN { *async = \&Coro::async_pool }
249		492
250	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
251		494
252	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
255		499
256	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
259	fast or be very important.	503	fast or be very important.
…		…
262		506
263	sub sync_job(&) {	507	sub sync_job(&) {
264	my ($job) = @_;	508	my ($job) = @_;
265		509
266	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
267	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
269		515
270	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	517
272	local $FREEZE = 1;	518	my $freeze_guard = freeze_mainloop;
273		519
274	my $busy = 1;	520	my $busy = 1;
275	my @res;	521	my @res;
276		522
277	(Coro::async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	525	@res = eval { $job->() };
279	warn $@ if $@;	526	warn $@ if $@;
280	undef $busy;	527	undef $busy;
281	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
282		529
283	while ($busy) {	530	while ($busy) {
		531	if (Coro::nready) {
284	Coro::cede_notself;	532	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
286	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
287		541
288	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
289	} else {	543	} else {
290	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
291		545
292	$job->()	546	$job->()
293	}	547	}
294	}	548	}
295		549
296	=item $coro = cf::coro { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
297		551
298	Creates and returns a new coro. This coro is automcatially being canceled	552	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	553	extension calling this is being unloaded.
300		554
301	=cut	555	=cut
302		556
303	sub coro(&) {	557	sub async_ext(&) {
304	my $cb = shift;	558	my $cb = shift;
305		559
306	my $coro; $coro = async {	560	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		561
313	$coro->on_destroy (sub {	562	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	563	delete $EXT_CORO{$coro+0};
315	});	564	});
316	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
317		566
318	$coro	567	$coro
319	}	568	}
320		569
321	sub write_runtime {	570	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		571
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
325	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.
326		576
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		578
331	aio_fsync $fh	579	sub fork_call(&@) {
332	and return;	580	my ($cb, @args) = @_;
333		581
334	close $fh	582	# we seemingly have to make a local copy of the whole thing,
335	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
336		585
337	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
338	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
339		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
340	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 => $type });
341	}	768	}
342		769
343	=back	770	=back
344		771
345	=cut	772	=cut
346		773
347	#############################################################################	774	#############################################################################
348		775
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466
467	#############################################################################
468
469	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
470		777
471	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
472	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")
473	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
474		781
475	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>
476	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
477	crossfire+).	784	Deliantra).
478		785
479	=over 4	786	=over 4
480		787
481	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
482		789
…		…
526	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
527		834
528	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
529	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
530		837
531	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
532	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.
533		840
534	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
535		842
536	=over 4	843	=over 4
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	904	our @CB_MAP = ();
598		905
599	my %attachment;	906	my %attachment;
600		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
601	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
603		916
604	use sort 'stable';	917	use sort 'stable';
605		918
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
640		953
641	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		958
646	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	960	my $pkg = shift @arg;
648		961
649	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
679	}	992	}
680		993
681	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
682	} else {	995	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	997	}
685		998
686	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
687	}	1000	}
688		1001
…		…
690	if (ref $_[0]) {	1003	if (ref $_[0]) {
691	_object_attach @_;	1004	_object_attach @_;
692	} else {	1005	} else {
693	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
694	}	1007	}
		1008	_recalc_want;
695	};	1009	};
696		1010
697	# all those should be optimised	1011	# all those should be optimised
698	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
703	reattach ($obj);	1017	reattach ($obj);
704	} else {	1018	} else {
705	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
706	}	1020	}
		1021	_recalc_want;
707	};	1022	};
708		1023
709	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
711		1026
…		…
726	";	1041	";
727	die if $@;	1042	die if $@;
728	}	1043	}
729		1044
730	our $override;	1045	our $override;
731	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?
732		1047
733	sub override {	1048	sub override {
734	$override = 1;	1049	$override = 1;
735	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
736	}	1051	}
737		1052
738	sub do_invoke {	1053	sub do_invoke {
739	my $event = shift;	1054	my $event = shift;
740	my $callbacks = shift;	1055	my $callbacks = shift;
741		1056
742	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
743		1058
744	local $override;	1059	local $override;
745		1060
746	for (@$callbacks) {	1061	for (@$callbacks) {
747	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
756	}	1071	}
757		1072
758	0	1073	0
759	}	1074	}
760		1075
761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
762		1077
763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
764		1079
765	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
766		1081
767	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
768	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
769	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		1085
771	=back	1086	=back
772		1087
773	=cut	1088	=cut
774		1089
775	#############################################################################	1090	#############################################################################
776	# 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	}
777		1134
778	sub reattach {	1135	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
780	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
781		1141
782	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
783		1143
784	@$registry = ();	1144	@$registry = ();
785		1145
…		…
800	cf::attachable->attach (	1160	cf::attachable->attach (
801	prio => -1000000,	1161	prio => -1000000,
802	on_instantiate => sub {	1162	on_instantiate => sub {
803	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
804		1164
805	$data = from_json $data;	1165	$data = decode_json $data;
806		1166
807	for (@$data) {	1167	for (@$data) {
808	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
809		1169
810	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
826	sub object_freezer_save {	1186	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
828		1188
829	sync_job {	1189	sync_job {
830	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
833		1194
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
836	aio_write $fh, 0, (length $$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;
837	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
838	close $fh;	1202	aio_close $fh;
839		1203
840	if (@$objs) {	1204	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
844	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;
845	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
846	close $fh;	1213	aio_close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
848	}	1215	}
849	} else {	1216	} else {
850	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
851	}	1218	}
852		1219
853	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
854	} else {	1224	} else {
855	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
856	}	1226	}
857	} else {	1227	} else {
858	aio_unlink $filename;	1228	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
860	}	1230	}
861	}	1231	};
862	}	1232	}
863		1233
864	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
866		1236
…		…
878	or return;	1248	or return;
879		1249
880	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
882	or return;	1252	or return;
		1253
883	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
884	}	1256	}
885		1257
		1258	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
888	return ($data, $av);	1262	($data, $av)
889	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
890		1270
891	#############################################################################	1271	#############################################################################
892	# command handling &c	1272	# command handling &c
893		1273
894	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1288	}
909		1289
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1291
912	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.
913		1297
914	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
915	called.	1299	called.
916		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
917	=cut	1312	=cut
918		1313
919	sub register_extcmd {	1314	sub register_extcmd {
920	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
921		1316
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
926	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
927		1327
928	cf::player->attach (	1328	cf::player->attach (
929	on_command => sub {	1329	on_unknown_command => sub {
930	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
931		1331
932	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
933	or return;	1333	or return;
934		1334
…		…
939	cf::override;	1339	cf::override;
940	},	1340	},
941	on_extcmd => sub {	1341	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
943		1343
944	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1345
946	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
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
952	} else {	1361	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1363	}
955		1364
956	cf::override;	1365	cf::override;
957	},	1366	},
958	);	1367	);
959		1368
960	sub register {	1369	# "readahead" all extensions
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1370	sub cache_extensions {
967	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
968		1372
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
970	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
971	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974
975	warn "loading '$path' into '$pkg'\n";
976
977	open my $fh, "<:utf8", $path
978	or die "$path: $!";
979
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }
1009
1010	# remove commands
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}	1376	}
1019	}	1377	};
1020		1378
1021	# remove extcmds	1379	$grp
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	1380	}
1035		1381
1036	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1037	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	1387	next unless -r $path;
1039	eval {	1388
1040	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	}
1041	1	1449	}
1042	} 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	}
1043	}	1460	};
1044	}	1461	}
1045		1462
1046	#############################################################################	1463	#############################################################################
1047	# load/save/clean perl data associated with a map
1048		1464
1049	*cf::mapsupport::on_clean = sub {	1465	=back
		1466
		1467	=head2 CORE EXTENSIONS
		1468
		1469	Functions and methods that extend core deliantra objects.
		1470
		1471	=cut
		1472
		1473	package cf::player;
		1474
		1475	use Coro::AIO;
		1476
		1477	=head3 cf::player
		1478
		1479	=over 4
		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
		1495	=item cf::player::find $login
		1496
		1497	Returns the given player object, loading it if necessary (might block).
		1498
		1499	=cut
		1500
		1501	sub playerdir($) {
		1502	"$PLAYERDIR/"
		1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1504	}
		1505
		1506	sub path($) {
		1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1508
		1509	(playerdir $login) . "/playerdata"
		1510	}
		1511
		1512	sub find_active($) {
		1513	$cf::PLAYER{$_[0]}
		1514	and $cf::PLAYER{$_[0]}->active
		1515	and $cf::PLAYER{$_[0]}
		1516	}
		1517
		1518	sub exists($) {
1050	my ($map) = @_;	1519	my ($login) = @_;
1051		1520
1052	my $path = $map->tmpname;	1521	$cf::PLAYER{$login}
1053	defined $path or return;	1522	or !aio_stat path $login
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}	1523	}
1066		1524
1067	# TODO: compatibility cruft, remove when no longer needed	1525	sub find($) {
		1526	return $cf::PLAYER{$_[0]} || do {
		1527	my $login = $_[0];
		1528
		1529	my $guard = cf::lock_acquire "user_find:$login";
		1530
		1531	$cf::PLAYER{$_[0]} || do {
		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
		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;
		1547	$cf::PLAYER{$login} = $pl
		1548	}
		1549	}
		1550	}
		1551
1068	cf::player->attach (	1552	cf::player->attach (
1069	on_load => sub {	1553	on_load => sub {
1070	my ($pl, $path) = @_;	1554	my ($pl, $path) = @_;
1071		1555
1072	for my $o (all_objects $pl->ob) {	1556	# restore slots saved in save, below
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1557	my $slots = delete $pl->{_slots};
1074	$o->set_ob_key_value ("_perl_data");
1075		1558
1076	%$o = %{ Storable::thaw pack "H*", $value };	1559	$pl->ob->current_weapon ($slots->[0]);
1077	}	1560	$pl->combat_ob ($slots->[1]);
1078	}	1561	$pl->ranged_ob ($slots->[2]);
1079	},	1562	},
1080	);	1563	);
1081		1564
1082	#############################################################################	1565	sub save($) {
		1566	my ($pl) = @_;
1083		1567
1084	=head2 CORE EXTENSIONS	1568	return if $pl->{deny_save};
1085		1569
1086	Functions and methods that extend core crossfire objects.	1570	my $path = path $pl;
		1571	my $guard = cf::lock_acquire "user_save:$path";
1087		1572
1088	=head3 cf::player	1573	return if $pl->{deny_save};
		1574
		1575	aio_mkdir playerdir $pl, 0770;
		1576	$pl->{last_save} = $cf::RUNTIME;
		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
		1583	$pl->save_pl ($path);
		1584	cf::cede_to_tick;
		1585	}
		1586
		1587	sub new($) {
		1588	my ($login) = @_;
		1589
		1590	my $self = create;
		1591
		1592	$self->ob->name ($login);
		1593	$self->{deny_save} = 1;
		1594
		1595	$cf::PLAYER{$login} = $self;
		1596
		1597	$self
		1598	}
		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
		1610	=item $pl->quit_character
		1611
		1612	Nukes the player without looking back. If logged in, the connection will
		1613	be destroyed. May block for a long time.
		1614
		1615	=cut
		1616
		1617	sub quit_character {
		1618	my ($pl) = @_;
		1619
		1620	my $name = $pl->ob->name;
		1621
		1622	$pl->{deny_save} = 1;
		1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
		1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1630	$pl->ns->destroy if $pl->ns;
		1631
		1632	my $path = playerdir $pl;
		1633	my $temp = "$path~$cf::RUNTIME~deleting~";
		1634	aio_rename $path, $temp;
		1635	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1658	}
		1659
		1660	=item cf::player::list_logins
		1661
		1662	Returns am arrayref of all valid playernames in the system, can take a
		1663	while and may block, so not sync_job-capable, ever.
		1664
		1665	=cut
		1666
		1667	sub list_logins {
		1668	my $dirs = aio_readdir $PLAYERDIR
		1669	or return [];
		1670
		1671	my @logins;
		1672
		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") {
		1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1680	aio_read $fh, 0, 512, my $buf, 0 or next;
		1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
		1683
		1684	utf8::decode $login;
		1685	push @logins, $login;
		1686	}
		1687
		1688	\@logins
		1689	}
		1690
		1691	=item $player->maps
		1692
		1693	Returns an arrayref of map paths that are private for this
		1694	player. May block.
		1695
		1696	=cut
		1697
		1698	sub maps($) {
		1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
		1702
		1703	my $files = aio_readdir playerdir $pl
		1704	or return;
		1705
		1706	my @paths;
		1707
		1708	for (@$files) {
		1709	utf8::decode $_;
		1710	next if /\.(?:pl|pst)$/;
		1711	next unless /^$PATH_SEP/o;
		1712
		1713	push @paths, cf::map::normalise "~$pl/$_";
		1714	}
		1715
		1716	\@paths
		1717	}
		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
		1723	=item $player->ext_reply ($msgid, @msg)
		1724
		1725	Sends an ext reply to the player.
		1726
		1727	=cut
		1728
		1729	sub ext_reply($$@) {
		1730	my ($self, $id, @msg) = @_;
		1731
		1732	$self->ns->ext_reply ($id, @msg)
		1733	}
		1734
		1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
1089		1748
1090	=over 4	1749	=over 4
1091		1750
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut	1751	=cut
1097		1752
1098	sub cf::player::exists($) {	1753	package cf::region;
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102		1754
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1755	=item cf::region::find_by_path $path
1104		1756
1105	Sends an ext reply to the player.	1757	Tries to decuce the likely region for a map knowing only its path.
1106		1758
1107	=cut	1759	=cut
1108		1760
1109	sub cf::player::ext_reply($$$%) {	1761	sub find_by_path($) {
1110	my ($self, $id, %msg) = @_;	1762	my ($path) = @_;
1111		1763
1112	$msg{msgid} = $id;	1764	my ($match, $specificity);
1113		1765
1114	$self->send ("ext " . to_json \%msg);	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
1115	}	1774	}
1116		1775
1117	=back	1776	=back
1118
1119		1777
1120	=head3 cf::map	1778	=head3 cf::map
1121		1779
1122	=over 4	1780	=over 4
1123		1781
…		…
1126	package cf::map;	1784	package cf::map;
1127		1785
1128	use Fcntl;	1786	use Fcntl;
1129	use Coro::AIO;	1787	use Coro::AIO;
1130		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1131	our $MAX_RESET = 7200;	1793	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1794	our $DEFAULT_RESET = 3000;
1133		1795
1134	sub generate_random_map {	1796	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1800
1137	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1802	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1151	}	1815	}
1152		1816
1153	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1818
1158	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1159	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1160	}	1821	default).
1161		1822
1162	sub try_load_header($) {	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 {
1163	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) = @_;
1164		1962
1165	utf8::encode $path;	1963	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1167	or return;	1965	or return;
1168		1966
1169	my $map = cf::map::new	1967	$self->_load_header ($f)
1170	or return;	1968	or return;
1171		1969
1172	$map->load_header ($path)	1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
		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
1173	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1174		2019
1175	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1176		2022
1177	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
1178	}	2024	unless $self->default_region;
1179		2025
		2026	1
		2027	}
		2028
		2029	sub find;
1180	sub find_map {	2030	sub find {
1181	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1182		2032
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		2034
1188	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1189
1190	$cf::MAP{$key} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1192		2037
1193	# do it the slow way	2038	$cf::MAP{$path} || do {
1194	my $map = try_load_header $path->save_path;	2039	my $map = new_from_path cf::map $path
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	2040	or return;
1208		2041
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		2043
1222	if ($map->should_reset) {	2044	$map->load_header
		2045	or return;
		2046
		2047	if ($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;
1223	$map->reset;	2052	$map->reset;
1224	undef $guard;	2053	return find $path;
1225	$map = find_map $path;
1226	}	2054	}
1227		2055
1228	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1229	}	2057	}
1230	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1231		2062
1232	sub load {	2063	sub load {
1233	my ($self) = @_;	2064	my ($self) = @_;
1234		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1235	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1237		2072
		2073	return unless $self->valid;
1238	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1239		2075
1240	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1241		2077
1242	$self->alloc;	2078	$self->alloc;
1243	$self->load_objects ($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)
1244	or return;	2086	or return;
1245		2087
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1247	if delete $self->{load_original};	2089	if delete $self->{load_original};
1248		2090
1249	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	2092	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1252	$self->clear_unique_items;	2095	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1254	}	2099	}
1255	}	2100	}
1256		2101
		2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1257	# now do the right thing for maps	2105	# now do the right thing for maps
1258	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1259
1260	if ($self->{path}->is_style_map) {
1261	$self->{deny_save} = 1;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;
1267	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1269	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;
1270	$self->activate;	2116	$self->activate;
1271	}	2117	}
1272		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1273	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1274	}	2123	}
1275		2124
1276	sub load_map_sync {	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	$neigh->load;
		2166	}
		2167	}
		2168
		2169	sub find_sync {
1277	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1278		2171
1279	#warn "load_map_sync<$path, $origin>\n";#d#	2172	cf::sync_job { find $path, $origin }
		2173	}
1280		2174
		2175	sub do_load_sync {
		2176	my ($map) = @_;
		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
		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
1281	cf::sync_job {	2234	cf::async {
1282	my $map = cf::map::find_map $path, $origin	2235	$Coro::current->{desc} = "map player save";
1283	or return;	2236	$_->contr->save for $self->players;
1284	$map->load;	2237	};
1285	$map	2238
		2239	cf::get_slot 0.02;
		2240
		2241	if ($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);
1286	}	2246	}
1287	}	2247	}
1288		2248
1289	sub save {	2249	sub save {
1290	my ($self) = @_;	2250	my ($self) = @_;
1291		2251
1292	$self->{last_save} = $cf::RUNTIME;	2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
1293		2253
1294	return unless $self->dirty;	2254	$self->_save;
1295
1296	my $save = $self->{path}->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1298
1299	$self->{load_path} = $save;
1300
1301	return if $self->{deny_save};
1302
1303	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}
1309	}	2255	}
1310		2256
1311	sub swap_out {	2257	sub swap_out {
1312	my ($self) = @_;	2258	my ($self) = @_;
1313		2259
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1314	return if $self->players;	2264	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};
1317		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
1318	$self->save;	2272	$self->_save;
		2273
		2274	# then free the map
1319	$self->clear;	2275	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);
1321	}	2276	}
1322		2277
1323	sub reset_at {	2278	sub reset_at {
1324	my ($self) = @_;	2279	my ($self) = @_;
1325		2280
1326	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};
1328	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1329		2283
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		2286
…		…
1337	my ($self) = @_;	2291	my ($self) = @_;
1338		2292
1339	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1340	}	2294	}
1341		2295
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	2296	sub reset {
1364	my ($self) = @_;	2297	my ($self) = @_;
1365		2298
		2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2300
1366	return if $self->players;	2301	return if $self->players;
1367	return if $self->{path}{user_rel};#d#
1368		2302
1369	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	}
1370		2314
1371	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1372		2316
		2317	$self->deactivate;
1373	$_->clear_links_to ($self) for values %cf::MAP;	2318	$_->clear_links_to ($self) for values %cf::MAP;
		2319	$self->clear;
1374		2320
1375	$self->unlink_save;	2321	$self->unlink_save;
1376	$self->destroy;	2322	$self->destroy;
1377	}	2323	}
1378		2324
1379	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1380		2326
1381	sub nuke {	2327	sub nuke {
1382	my ($self) = @_;	2328	my ($self) = @_;
1383		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};
1384	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1387	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
1388	}	2347	}
1389		2348
1390	sub customise_for {	2349	=item $maps = cf::map::tmp_maps
1391	my ($map, $ob) = @_;
1392		2350
1393	if ($map->per_player) {	2351	Returns an arrayref with all map paths of currently instantiated and saved
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
1395	}	2357	[
1396		2358	map {
1397	$map	2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
1398	}	2365	}
1399		2366
1400	sub emergency_save {	2367	=item $maps = cf::map::random_maps
1401	local $cf::FREEZE = 1;
1402		2368
1403	warn "enter emergency map save\n";	2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
1404		2371
1405	cf::sync_job {	2372	=cut
1406	warn "begin emergency map save\n";	2373
1407	$_->save for values %cf::MAP;	2374	sub random_maps() {
		2375	[
		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;
1408	};	2431	}
1409		2432
1410	warn "end emergency map 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	}
1411	}	2488	}
1412		2489
1413	package cf;	2490	package cf;
1414		2491
1415	=back	2492	=back
1416
1417		2493
1418	=head3 cf::object::player	2494	=head3 cf::object::player
1419		2495
1420	=over 4	2496	=over 4
1421		2497
…		…
1424	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>
1425	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
1426	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1427		2503
1428	=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	};
1429		2519
1430	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1431	# with dialog boxes.	2521	# with dialog boxes.
1432	#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
1433	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1435		2525
1436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1437		2527
1438	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1440	} 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 {
1441	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1442	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1443	}	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 (@_);
1444	}	2553	}
1445		2554
1446	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1447		2556
1448	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1461		2570
1462	=item $player_object->enter_link	2571	=item $player_object->enter_link
1463		2572
1464	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}>).
1465		2574
1466	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.
1467	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.
1468		2581
1469	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1470		2583
1471	Moves the player out of the specila link map onto the given map. If the	2584	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	2585	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	2586	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	2587	fails, to the emergency map position.
1475		2588
1476	Might block.	2589	Might block.
1477		2590
1478	=cut	2591	=cut
		2592
		2593	sub link_map {
		2594	unless ($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	$LINK_MAP
		2601	}
1479		2602
1480	sub cf::object::player::enter_link {	2603	sub cf::object::player::enter_link {
1481	my ($self) = @_;	2604	my ($self) = @_;
1482		2605
1483	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1484		2607
1485	return if $self->map == $LINK_MAP;	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		2609
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1489		2612
1490	$self->enter_map ($LINK_MAP, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	2614	}
1492		2615
1493	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1495		2620
1496	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1497		2622
1498	unless ($map) {	2623	unless ($map) {
1499	# restore original map position	2624	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	2625	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	2626	$map = cf::map::find $map;
1502		2627
1503	unless ($map) {	2628	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	2629	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	2630	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	2631	or die "FATAL: cannot load emergency map\n";
1507	}	2632	}
1508	}	2633	}
1509		2634
1510	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1511	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1512		2637
1513	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1516		2641
1517	$map->load;	2642	$map->load;
		2643	$map->load_neighbours;
1518		2644
		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
1519	$self->activate_recursive;	2651	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);
1521	}	2652	}
1522		2653
1523	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1524	on_logout => sub {
1525	my ($pl) = @_;
1526		2655
1527	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1528	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1529	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1530	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1531	};	2660	be called at the end of this process.
1532	}
1533	},
1534	on_login => sub {
1535	my ($pl) = @_;
1536		2661
1537	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1538	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1539	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;
1541	Coro::async {
1542	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn
1544	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;
1546	};
1547	}
1548	},
1549	);
1550		2664
1551	=item $player_object->goto_map ($path, $x, $y)
1552
1553	=cut	2665	=cut
1554		2666
		2667	our $GOTOGEN;
		2668
1555	sub cf::object::player::goto_map {	2669	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1557		2674
1558	$self->enter_link;	2675	$self->enter_link;
1559		2676
1560	(Coro::async {	2677	(async {
1561	$path = new cf::path $path;	2678	$Coro::current->{desc} = "player::goto $path $x $y";
1562		2679
1563	my $map = cf::map::find_map $path->as_string;	2680	# *tag paths override both path and x|y
		2681	if ($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) {
1564	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1565		2704	$map = $check->($map) if $check && $map;
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
1570		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};
1571	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1572	})->prio (1);	2723	})->prio (1);
1573	}	2724	}
1574		2725
1575	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1576		2727
…		…
1578		2729
1579	sub parse_random_map_params {	2730	sub parse_random_map_params {
1580	my ($spec) = @_;	2731	my ($spec) = @_;
1581		2732
1582	my $rmp = { # defaults	2733	my $rmp = { # defaults
1583	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1585	};	2738	};
1586		2739
1587	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1589		2742
…		…
1601	# that depends on the exit object	2754	# that depends on the exit object
1602		2755
1603	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1604		2757
1605	if ($exit->map) {	2758	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1610	}	2765	}
1611		2766
1612	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1613		2768
1614	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1615	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1616		2772
1617	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) {
1618	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;
1619		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1620	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1622	}	2784	}
1623	}	2785	}
1624		2786
1625	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
1627		2789
1628	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1629		2791
1630	$self->enter_link;	2792	$self->enter_link;
1631		2793
1632	(Coro::async {	2794	(async {
		2795	$Coro::current->{desc} = "enter_exit";
		2796
1633	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
1634		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
1635	prepare_random_map $exit	2804	prepare_random_map $exit
1636	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1637		2807
1638	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;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1640		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
1641	1;	2818	1
1642	}) {	2819	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1644	. "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. "
1645	. "Please report this to the dungeon master",	2822	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1647		2824
1648	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	2826	$self->leave_link;
1650	}	2827	}
1651	})->prio (1);	2828	})->prio (1);
…		…
1664		2841
1665	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1666	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1667		2844
1668	utf8::encode $text;	2845	utf8::encode $text;
1669	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1670	}	2847	}
1671		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	}
1672		3070
1673	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1674		3072
1675	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1676	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>,
1677	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>.
1678		3076
1679	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
1680	reliable at some point in the future.	3078	become reliable at some point in the future.
1681		3079
1682	=cut	3080	=cut
1683		3081
1684	sub cf::client::query {	3082	sub cf::client::query {
1685	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1693	utf8::encode $text;	3091	utf8::encode $text;
1694	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1695		3093
1696	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1697	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1698	}	3098	}
1699		3099
1700	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1701	on_reply => sub {	3106	on_reply => sub {
1702	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1703		3108
1704	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1705	# get handled first	3110	# get handled first
1706	my $queue = delete $ns->{query_queue};	3111	my $queue = delete $ns->{query_queue}
		3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		3113
1708	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		3116
1710	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1711		3118
1712	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	3120	if (@$queue) {
…		…
1715	} else {	3122	} else {
1716	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1717	}	3124	}
1718	}	3125	}
1719	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($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	},
1720	);	3153	);
1721		3154
1722	=item $client->coro (\&cb)	3155	=item $client->async (\&cb)
1723		3156
1724	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	3158	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	3159	or loss of connection).
1727		3160
1728	=cut	3161	=cut
1729		3162
1730	sub cf::client::coro {	3163	sub cf::client::async {
1731	my ($self, $cb) = @_;	3164	my ($self, $cb) = @_;
1732		3165
1733	my $coro; $coro = async {	3166	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		3167
1740	$coro->on_destroy (sub {	3168	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	3169	delete $self->{_coro}{$coro+0};
1742	});	3170	});
1743		3171
…		…
1745		3173
1746	$coro	3174	$coro
1747	}	3175	}
1748		3176
1749	cf::client->attach (	3177	cf::client->attach (
1750	on_destroy => sub {	3178	on_client_destroy => sub {
1751	my ($ns) = @_;	3179	my ($ns) = @_;
1752		3180
1753	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1754	},	3182	},
1755	);	3183	);
…		…
1770	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
1771	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
1772		3200
1773	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
1774		3202
1775	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
1776		3208
1777	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
1778		3210
1779	=pod	3211	=pod
1780		3212
1781	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
1782		3214
1783	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
1784	cf::object::player player	3220	cf::object::player
1785	cf::player peaceful	3221	player
1786	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
1787		3228
1788	=cut	3229	=cut
1789		3230
1790	for (	3231	for (
1791	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
1792	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
1793	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
1794	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
1795	) {	3238	) {
1796	no strict 'refs';	3239	no strict 'refs';
1797	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
1798	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1816		3259
1817	my $qcode = $code;	3260	my $qcode = $code;
1818	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1819	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
1820		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
1821	local $_;	3267	local $_;
1822	local @safe::cf::_safe_eval_args = values %vars;
1823		3268
1824	my $eval =	3269	my $eval =
1825	"do {\n"	3270	"do {\n"
1826	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1827	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
1828	. $code	3273	. $code
1829	. "\n}"	3274	. "\n}"
1830	;	3275	;
1831		3276
		3277	if ($CFG{safe_eval}) {
1832	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
1833	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1834	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
1835		3286
1836	if ($@) {	3287	if ($@) {
1837	warn "$@";	3288	warn "$@";
1838	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
1839	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1858	=cut	3309	=cut
1859		3310
1860	sub register_script_function {	3311	sub register_script_function {
1861	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
1862		3313
1863	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
1864	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
1865	}	3316	}
1866		3317
1867	=back	3318	=back
1868		3319
1869	=cut	3320	=cut
1870		3321
1871	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
1872		3324
1873	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
1874		3327
1875	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
1876	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
1877	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
1878		3331
1879	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1880	using it, it should be unique.
1881		3333
1882	=over 4	3334	warn "loading facedata from $path\n";
1883		3335
1884	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
1885		3339
1886	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
1887	modified. After modifications, you have to call C<cf::db_dirty> or
1888	C<cf::db_sync>.
1889		3341
1890	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
1891		3344
1892	Returns a single value from the database	3345	# patch in the exptable
1893		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1894	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
1895		3348	type => FT_RSRC,
1896	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
1897	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
1898
1899	=item cf::db_put $family => $key => $value
1900
1901	Stores the given C<$value> in the family hash. Updates are delayed, if you
1902	want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_dirty
1905
1906	Marks the database as dirty, to be updated at a later time.
1907
1908	=item cf::db_sync
1909
1910	Immediately write the database to disk I<if it is dirty>.
1911
1912	=cut
1913
1914	our $DB;
1915
1916	{
1917	my $path = cf::localdir . "/database.pst";
1918
1919	sub db_load() {
1920	$DB = stat $path ? Storable::retrieve $path : { };
1921	}
1922
1923	my $pid;
1924
1925	sub db_save() {
1926	waitpid $pid, 0 if $pid;
1927	if (0 == ($pid = fork)) {
1928	$DB->{_meta}{version} = 1;
1929	Storable::nstore $DB, "$path~";
1930	rename "$path~", $path;
1931	cf::_exit 0 if defined $pid;
1932	}
1933	}
1934
1935	my $dirty;
1936
1937	sub db_sync() {
1938	db_save if $dirty;
1939	undef $dirty;
1940	}
1941
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1943	db_sync;
1944	});	3351	};
		3352	cf::cede_to_tick;
1945		3353
1946	sub db_dirty() {
1947	$dirty = 1;
1948	$idle->start;
1949	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
1950		3356
1951	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
1952	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1953	? $DB->{$_[0]}{$_[1]}
1954	: ($DB->{$_[0]} ||= { })
1955	}
1956		3359
1957	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
1958	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
1959	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1960	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1961	$DB->{$_[0]} = $_[1];
1962	}
1963	db_dirty;
1964	}
1965		3364
1966	cf::global->attach (	3365	cf::cede_to_tick;
1967	prio => 10000,
1968	on_cleanup => sub {
1969	db_sync;
1970	},	3366	}
1971	);
1972	}
1973		3367
1974	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
1975	# the server's main()	3369	next unless $info->{smooth};
1976		3370
1977	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
1978	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
1979	or return;	3500	or return;
1980		3501
1981	local $/;	3502	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
		3504
		3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3506
		3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3509
		3510	if (exists $CFG{mlockall}) {
		3511	eval {
		3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3513	and die "WARNING: m(un)lockall failed: $!\n";
		3514	};
		3515	warn $@ if $@;
		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;
1983	}	3547	}
1984		3548
1985	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
1986	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
1988	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#
1989	(Coro::unblock_sub {	3562	(async {
1990	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
1991	})->();	3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
1992	};	3566	};
1993		3567
1994	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
1995	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
1996	load_extensions;	3591	load_extensions;
1997	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;
1998	}	3606	}
1999		3607
2000	#############################################################################	3608	#############################################################################
2001	# initialisation	3609	# initialisation and cleanup
2002		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	warn "cleared package $pkg\n";#d#
		3791	}
		3792
2003	sub reload() {	3793	sub do_reload_perl() {
2004	# can/must only be called in main	3794	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	3796	warn "can only reload from main coroutine";
2007	return;	3797	return;
2008	}	3798	}
2009		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2010	warn "reloading...";	3805	warn "reloading...";
2011		3806
2012	local $FREEZE = 1;	3807	warn "entering sync_job";
		3808
		3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
2013	cf::emergency_save;	3811	cf::emergency_save;
		3812	cf::write_runtime_sync; # external watchdog should not bark
2014		3813
2015	eval {	3814	warn "syncing database to disk";
		3815	BDB::db_env_txn_checkpoint $DB_ENV;
		3816
2016	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2017		3818
2018	# cancel all watchers	3819	warn "flushing outstanding aio requests";
2019	for (Event::all_watchers) {	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2021	}
2022
2023	# cancel all extension coros
2024	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();
2026
2027	# unload all extensions
2028	for (@exts) {
2029	warn "unloading <$_>";
2030	unload_extension $_;
2031	}
2032
2033	# unload all modules loaded from $LIBDIR
2034	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036
2037	warn "removing <$k>";
2038	delete $INC{$k};
2039
2040	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;
2042
2043	if (my $cb = $k->can ("unload_module")) {
2044	$cb->();
2045	}	3822	}
2046		3823
2047	Symbol::delete_package $k;	3824	warn "cancelling all extension coros";
		3825	$_->cancel for values %EXT_CORO;
		3826	%EXT_CORO = ();
		3827
		3828	warn "removing commands";
		3829	%COMMAND = ();
		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
		3837	warn "... unloading $pkg";
		3838
		3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
		3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2048	}	3848	}
2049		3849
2050	# sync database to disk	3850	warn "unloading all perl modules loaded from $LIBDIR";
2051	cf::db_sync;	3851	while (my ($k, $v) = each %INC) {
2052	IO::AIO::flush;	3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2053		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
		3865	}
		3866
2054	# get rid of safe::, as good as possible	3867	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2056	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2057		3870
2058	# remove register_script_function callbacks	3871	warn "unloading cf.pm \"a bit\"";
2059	# TODO
2060
2061	# unload cf.pm "a bit"
2062	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
		3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2063		3874
2064	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2065	# and global variables created in xs	3876	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2067		3878
2068	# reload cf.pm	3879	warn "unload completed, starting to reload now";
		3880
2069	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2070	require cf;	3882	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2072		3884
2073	# load config and database again	3885	warn "loading config and database again";
2074	cf::cfg_load;	3886	cf::reload_config;
2075	cf::db_load;
2076		3887
2077	# load extensions
2078	warn "load extensions";	3888	warn "loading extensions";
2079	cf::load_extensions;	3889	cf::load_extensions;
2080		3890
2081	# reattach attachments to objects	3891	if ($REATTACH_ON_RELOAD) {
		3892	warn "reattaching attachments to objects/players";
		3893	_global_reattach; # objects, sockets
		3894	warn "reattaching attachments to maps";
		3895	reattach $_ for values %MAP;
		3896	warn "reattaching attachments to players";
		3897	reattach $_ for values %PLAYER;
		3898	}
		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
		3903	warn "leaving sync_job";
		3904
		3905	1
		3906	} or do {
		3907	warn $@;
		3908	cf::cleanup "error while reloading, exiting.";
		3909	};
		3910
2082	warn "reattach";	3911	warn "reloaded";
2083	_global_reattach;	3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
		3917	};
		3918
		3919	our $RELOAD_WATCHER; # used only during reload
		3920
		3921	sub reload_perl() {
		3922	# doing reload synchronously and two reloads happen back-to-back,
		3923	# coro crashes during coro_state_free->destroy here.
		3924
		3925	$RELOAD_WATCHER ||= cf::async {
		3926	Coro::AIO::aio_wait cache_extensions;
		3927
		3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3929	do_reload_perl;
		3930	undef $RELOAD_WATCHER;
		3931	};
2084	};	3932	};
2085
2086	if ($@) {
2087	warn $@;
2088	warn "error while reloading, exiting.";
2089	exit 1;
2090	}
2091
2092	warn "reloaded successfully";
2093	};
2094
2095	#############################################################################
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}	3933	}
2137
2138	register "<global>", __PACKAGE__;
2139		3934
2140	register_command "reload" => sub {	3935	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2142		3937
2143	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");
2145	reload;
2146	$who->message ("end of reload.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
		3942	reload_perl;
		3943	};
2147	}	3944	}
2148	};	3945	};
2149		3946
2150	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2151		3948
2152	$TICK_WATCHER = Event->timer (	3949	my $bug_warning = 0;
2153	reentrant => 0,	3950
2154	prio => 0,	3951	our @WAIT_FOR_TICK;
2155	at => $NEXT_TICK || $TICK,	3952	our @WAIT_FOR_TICK_BEGIN;
2156	data => WF_AUTOCANCEL,	3953
2157	cb => sub {	3954	sub wait_for_tick {
2158	unless ($FREEZE) {	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3956
		3957	my $signal = new Coro::Signal;
		3958	push @WAIT_FOR_TICK, $signal;
		3959	$signal->wait;
		3960	}
		3961
		3962	sub wait_for_tick_begin {
		3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3964
		3965	my $signal = new Coro::Signal;
		3966	push @WAIT_FOR_TICK_BEGIN, $signal;
		3967	$signal->wait;
		3968	}
		3969
		3970	sub tick {
		3971	if ($Coro::current != $Coro::main) {
		3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3973	unless ++$bug_warning > 10;
		3974	return;
		3975	}
		3976
2159	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;
2161	}
2162		3978
2163	$NEXT_TICK += $TICK;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2164		3980
2165	# if we are delayed by four ticks or more, skip them all	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2167		3983	Coro::async_pool {
2168	$TICK_WATCHER->at ($NEXT_TICK);	3984	$Coro::current->{desc} = "runtime saver";
2169	$TICK_WATCHER->start;
2170	},
2171	);
2172
2173	IO::AIO::max_poll_time $TICK * 0.2;
2174
2175	Event->io (
2176	fd => IO::AIO::poll_fileno,
2177	poll => 'r',
2178	prio => 5,
2179	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,
2181	);
2182
2183	Event->timer (
2184	data => WF_AUTOCANCEL,
2185	after => 0,
2186	interval => 10,
2187	cb => sub {
2188	(Coro::unblock_sub {
2189	write_runtime	3985	write_runtime_sync
2190	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2191	})->();	3987	};
2192	},	3988	}
2193	);	3989
		3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3991	$sig->send;
		3992	}
		3993	while (my $sig = shift @WAIT_FOR_TICK) {
		3994	$sig->send;
		3995	}
		3996
		3997	$LOAD = ($NOW - $TICK_START) / $TICK;
		3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3999
		4000	if (0) {
		4001	if ($NEXT_TICK) {
		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
		4006	}
		4007	}
		4008
		4009	{
		4010	# configure BDB
		4011
		4012	BDB::min_parallel 16;
		4013	BDB::max_poll_reqs $TICK * 0.1;
		4014	$AnyEvent::BDB::WATCHER->priority (1);
		4015
		4016	unless ($DB_ENV) {
		4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4023
		4024	cf::sync_job {
		4025	eval {
		4026	BDB::db_env_open
		4027	$DB_ENV,
		4028	$BDBDIR,
		4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4031	0666;
		4032
		4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4034	};
		4035
		4036	cf::cleanup "db_env_open(db): $@" if $@;
		4037	};
		4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
		4049	}
		4050
		4051	{
		4052	# configure IO::AIO
		4053
		4054	IO::AIO::min_parallel 8;
		4055	IO::AIO::max_poll_time $TICK * 0.1;
		4056	undef $AnyEvent::AIO::WATCHER;
		4057	}
		4058
		4059	my $_log_backtrace;
		4060
		4061	sub _log_backtrace {
		4062	my ($msg, @addr) = @_;
		4063
		4064	$msg =~ s/\n//;
		4065
		4066	# limit the # of concurrent backtraces
		4067	if ($_log_backtrace < 2) {
		4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
		4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
		4073	my @bt = fork_call {
		4074	@addr = map { sprintf "%x", $_ } @addr;
		4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4077	or die "addr2line: $!";
		4078
		4079	my @funcs;
		4080	my @res = <$fh>;
		4081	chomp for @res;
		4082	while (@res) {
		4083	my ($func, $line) = splice @res, 0, 2, ();
		4084	push @funcs, "[$func] $line";
		4085	}
		4086
		4087	@funcs
		4088	};
		4089
		4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4092	LOG llevInfo, "[ABT] $_\n" for @bt;
		4093	--$_log_backtrace;
		4094	};
		4095	} else {
		4096	LOG llevInfo, "[ABT] $msg\n";
		4097	LOG llevInfo, "[ABT] [suppressed]\n";
		4098	}
		4099	}
		4100
		4101	# load additional modules
		4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
		4104
		4105	END { cf::emergency_save }
2194		4106
2195	1	4107	1
2196		4108

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