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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
1041	1	1452	}
1042	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
1043	}	1463	};
1044	}	1464	}
1045		1465
1046	#############################################################################	1466	#############################################################################
1047	# load/save/clean perl data associated with a map
1048		1467
1049	*cf::mapsupport::on_clean = sub {	1468	=back
		1469
		1470	=head2 CORE EXTENSIONS
		1471
		1472	Functions and methods that extend core deliantra objects.
		1473
		1474	=cut
		1475
		1476	package cf::player;
		1477
		1478	use Coro::AIO;
		1479
		1480	=head3 cf::player
		1481
		1482	=over 4
		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
		1498	=item cf::player::find $login
		1499
		1500	Returns the given player object, loading it if necessary (might block).
		1501
		1502	=cut
		1503
		1504	sub playerdir($) {
		1505	"$PLAYERDIR/"
		1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1507	}
		1508
		1509	sub path($) {
		1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1511
		1512	(playerdir $login) . "/playerdata"
		1513	}
		1514
		1515	sub find_active($) {
		1516	$cf::PLAYER{$_[0]}
		1517	and $cf::PLAYER{$_[0]}->active
		1518	and $cf::PLAYER{$_[0]}
		1519	}
		1520
		1521	sub exists($) {
1050	my ($map) = @_;	1522	my ($login) = @_;
1051		1523
1052	my $path = $map->tmpname;	1524	$cf::PLAYER{$login}
1053	defined $path or return;	1525	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	}	1526	}
1066		1527
1067	# TODO: compatibility cruft, remove when no longer needed	1528	sub find($) {
		1529	return $cf::PLAYER{$_[0]} || do {
		1530	my $login = $_[0];
		1531
		1532	my $guard = cf::lock_acquire "user_find:$login";
		1533
		1534	$cf::PLAYER{$_[0]} || do {
		1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
		1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
		1550	$cf::PLAYER{$login} = $pl
		1551	}
		1552	}
		1553	}
		1554
1068	cf::player->attach (	1555	cf::player->attach (
1069	on_load => sub {	1556	on_load => sub {
1070	my ($pl, $path) = @_;	1557	my ($pl, $path) = @_;
1071		1558
1072	for my $o (all_objects $pl->ob) {	1559	# restore slots saved in save, below
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1560	my $slots = delete $pl->{_slots};
1074	$o->set_ob_key_value ("_perl_data");
1075		1561
1076	%$o = %{ Storable::thaw pack "H*", $value };	1562	$pl->ob->current_weapon ($slots->[0]);
1077	}	1563	$pl->combat_ob ($slots->[1]);
1078	}	1564	$pl->ranged_ob ($slots->[2]);
1079	},	1565	},
1080	);	1566	);
1081		1567
1082	#############################################################################	1568	sub save($) {
		1569	my ($pl) = @_;
1083		1570
1084	=head2 CORE EXTENSIONS	1571	return if $pl->{deny_save};
1085		1572
1086	Functions and methods that extend core crossfire objects.	1573	my $path = path $pl;
		1574	my $guard = cf::lock_acquire "user_save:$path";
1087		1575
1088	=head3 cf::player	1576	return if $pl->{deny_save};
		1577
		1578	aio_mkdir playerdir $pl, 0770;
		1579	$pl->{last_save} = $cf::RUNTIME;
		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
		1586	$pl->save_pl ($path);
		1587	cf::cede_to_tick;
		1588	}
		1589
		1590	sub new($) {
		1591	my ($login) = @_;
		1592
		1593	my $self = create;
		1594
		1595	$self->ob->name ($login);
		1596	$self->{deny_save} = 1;
		1597
		1598	$cf::PLAYER{$login} = $self;
		1599
		1600	$self
		1601	}
		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
		1613	=item $pl->quit_character
		1614
		1615	Nukes the player without looking back. If logged in, the connection will
		1616	be destroyed. May block for a long time.
		1617
		1618	=cut
		1619
		1620	sub quit_character {
		1621	my ($pl) = @_;
		1622
		1623	my $name = $pl->ob->name;
		1624
		1625	$pl->{deny_save} = 1;
		1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1627
		1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
		1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1633	$pl->ns->destroy if $pl->ns;
		1634
		1635	my $path = playerdir $pl;
		1636	my $temp = "$path~$cf::RUNTIME~deleting~";
		1637	aio_rename $path, $temp;
		1638	delete $cf::PLAYER{$pl->ob->name};
		1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
		1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
		1661	}
		1662
		1663	=item cf::player::list_logins
		1664
		1665	Returns am arrayref of all valid playernames in the system, can take a
		1666	while and may block, so not sync_job-capable, ever.
		1667
		1668	=cut
		1669
		1670	sub list_logins {
		1671	my $dirs = aio_readdir $PLAYERDIR
		1672	or return [];
		1673
		1674	my @logins;
		1675
		1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
		1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1683	aio_read $fh, 0, 512, my $buf, 0 or next;
		1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
		1686
		1687	utf8::decode $login;
		1688	push @logins, $login;
		1689	}
		1690
		1691	\@logins
		1692	}
		1693
		1694	=item $player->maps
		1695
		1696	Returns an arrayref of map paths that are private for this
		1697	player. May block.
		1698
		1699	=cut
		1700
		1701	sub maps($) {
		1702	my ($pl) = @_;
		1703
		1704	$pl = ref $pl ? $pl->ob->name : $pl;
		1705
		1706	my $files = aio_readdir playerdir $pl
		1707	or return;
		1708
		1709	my @paths;
		1710
		1711	for (@$files) {
		1712	utf8::decode $_;
		1713	next if /\.(?:pl|pst)$/;
		1714	next unless /^$PATH_SEP/o;
		1715
		1716	push @paths, cf::map::normalise "~$pl/$_";
		1717	}
		1718
		1719	\@paths
		1720	}
		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
		1726	=item $player->ext_reply ($msgid, @msg)
		1727
		1728	Sends an ext reply to the player.
		1729
		1730	=cut
		1731
		1732	sub ext_reply($$@) {
		1733	my ($self, $id, @msg) = @_;
		1734
		1735	$self->ns->ext_reply ($id, @msg)
		1736	}
		1737
		1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
1089		1751
1090	=over 4	1752	=over 4
1091		1753
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut	1754	=cut
1097		1755
1098	sub cf::player::exists($) {	1756	package cf::region;
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102		1757
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1758	=item cf::region::find_by_path $path
1104		1759
1105	Sends an ext reply to the player.	1760	Tries to decuce the likely region for a map knowing only its path.
1106		1761
1107	=cut	1762	=cut
1108		1763
1109	sub cf::player::ext_reply($$$%) {	1764	sub find_by_path($) {
1110	my ($self, $id, %msg) = @_;	1765	my ($path) = @_;
1111		1766
1112	$msg{msgid} = $id;	1767	my ($match, $specificity);
1113		1768
1114	$self->send ("ext " . to_json \%msg);	1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
1115	}	1777	}
1116		1778
1117	=back	1779	=back
1118
1119		1780
1120	=head3 cf::map	1781	=head3 cf::map
1121		1782
1122	=over 4	1783	=over 4
1123		1784
…		…
1126	package cf::map;	1787	package cf::map;
1127		1788
1128	use Fcntl;	1789	use Fcntl;
1129	use Coro::AIO;	1790	use Coro::AIO;
1130		1791
		1792	use overload
		1793	'""' => \&as_string,
		1794	fallback => 1;
		1795
1131	our $MAX_RESET = 7200;	1796	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1797	our $DEFAULT_RESET = 3000;
1133		1798
1134	sub generate_random_map {	1799	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1803
1137	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1805	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1813	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1814	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1815	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1816	(cf::region::find $rmp->{region}), $rmp->{custom}
		1817	)
1151	}	1818	}
1152		1819
1153	# and all this just because we cannot iterate over	1820	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1821
1158	$_->change_map_light ($change) for values %cf::MAP;	1822	Register a handler for the map path matching the given regex at the
1159	}	1823	givne priority (higher is better, built-in handlers have priority 0, the
		1824	default).
1160		1825
1161	sub try_load_header($) {	1826	=cut
		1827
		1828	sub register {
		1829	my (undef, $regex, $prio) = @_;
		1830	my $pkg = caller;
		1831
		1832	no strict;
		1833	push @{"$pkg\::ISA"}, __PACKAGE__;
		1834
		1835	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1836	}
		1837
		1838	# also paths starting with '/'
		1839	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1840
		1841	sub thawer_merge {
		1842	my ($self, $merge) = @_;
		1843
		1844	# we have to keep some variables in memory intact
		1845	local $self->{path};
		1846	local $self->{load_path};
		1847
		1848	$self->SUPER::thawer_merge ($merge);
		1849	}
		1850
		1851	sub normalise {
1162	my ($path) = @_;	1852	my ($path, $base) = @_;
		1853
		1854	$path = "$path"; # make sure its a string
		1855
		1856	$path =~ s/\.map$//;
		1857
		1858	# map plan:
		1859	#
		1860	# /! non-realised random map exit (special hack!)
		1861	# {... are special paths that are not being touched
		1862	# ?xxx/... are special absolute paths
		1863	# ?random/... random maps
		1864	# /... normal maps
		1865	# ~user/... per-player map of a specific user
		1866
		1867	$path =~ s/$PATH_SEP/\//go;
		1868
		1869	# treat it as relative path if it starts with
		1870	# something that looks reasonable
		1871	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1872	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1873
		1874	$base =~ s{[^/]+/?$}{};
		1875	$path = "$base/$path";
		1876	}
		1877
		1878	for ($path) {
		1879	redo if s{//}{/};
		1880	redo if s{/\.?/}{/};
		1881	redo if s{/[^/]+/\.\./}{/};
		1882	}
		1883
		1884	$path
		1885	}
		1886
		1887	sub new_from_path {
		1888	my (undef, $path, $base) = @_;
		1889
		1890	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1891
		1892	$path = normalise $path, $base;
		1893
		1894	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1895	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1896	my $self = bless cf::map::new, $pkg;
		1897	$self->{path} = $path; $self->path ($path);
		1898	$self->init; # pass $1 etc.
		1899	return $self;
		1900	}
		1901	}
		1902
		1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1904	()
		1905	}
		1906
		1907	sub init {
		1908	my ($self) = @_;
		1909
		1910	$self
		1911	}
		1912
		1913	sub as_string {
		1914	my ($self) = @_;
		1915
		1916	"$self->{path}"
		1917	}
		1918
		1919	# the displayed name, this is a one way mapping
		1920	sub visible_name {
		1921	&as_string
		1922	}
		1923
		1924	# the original (read-only) location
		1925	sub load_path {
		1926	my ($self) = @_;
		1927
		1928	"$MAPDIR/$self->{path}.map"
		1929	}
		1930
		1931	# the temporary/swap location
		1932	sub save_path {
		1933	my ($self) = @_;
		1934
		1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1936	"$TMPDIR/$path.map"
		1937	}
		1938
		1939	# the unique path, undef == no special unique path
		1940	sub uniq_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$UNIQUEDIR/$path"
		1945	}
		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
		1955	sub unlink_save {
		1956	my ($self) = @_;
		1957
		1958	utf8::encode (my $save = $self->save_path);
		1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1961	}
		1962
		1963	sub load_header_from($) {
		1964	my ($self, $path) = @_;
1163		1965
1164	utf8::encode $path;	1966	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1166	or return;	1968	or return;
1167		1969
1168	my $map = cf::map::new	1970	$self->_load_header ($f)
1169	or return;	1971	or return;
1170		1972
1171	$map->load_header ($path)	1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
		1975
		1976	$self->{load_path} = $path;
		1977
		1978	1
		1979	}
		1980
		1981	sub load_header_orig {
		1982	my ($self) = @_;
		1983
		1984	$self->load_header_from ($self->load_path)
		1985	}
		1986
		1987	sub load_header_temp {
		1988	my ($self) = @_;
		1989
		1990	$self->load_header_from ($self->save_path)
		1991	}
		1992
		1993	sub prepare_temp {
		1994	my ($self) = @_;
		1995
		1996	$self->last_access ((delete $self->{last_access})
		1997	|| $cf::RUNTIME); #d#
		1998	# safety
		1999	$self->{instantiate_time} = $cf::RUNTIME
		2000	if $self->{instantiate_time} > $cf::RUNTIME;
		2001	}
		2002
		2003	sub prepare_orig {
		2004	my ($self) = @_;
		2005
		2006	$self->{load_original} = 1;
		2007	$self->{instantiate_time} = $cf::RUNTIME;
		2008	$self->last_access ($cf::RUNTIME);
		2009	$self->instantiate;
		2010	}
		2011
		2012	sub load_header {
		2013	my ($self) = @_;
		2014
		2015	if ($self->load_header_temp) {
		2016	$self->prepare_temp;
		2017	} else {
		2018	$self->load_header_orig
1172	or return;	2019	or return;
		2020	$self->prepare_orig;
		2021	}
1173		2022
1174	$map->{load_path} = $path;	2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
1175		2025
1176	$map	2026	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	2027	unless $self->default_region;
1178		2028
		2029	1
		2030	}
		2031
		2032	sub find;
1179	sub find_map {	2033	sub find {
1180	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1181		2035
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		2037
1187	cf::lock_wait "map_find:$key";	2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1191		2040
1192	# do it the slow way	2041	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	2042	my $map = new_from_path cf::map $path
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	2043	or return;
1207		2044
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		2046
1221	if ($map->should_reset) {	2047	$map->load_header
		2048	or return;
		2049
		2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1222	$map->reset;	2055	$map->reset;
1223	$map = find_map $path;	2056	return find $path;
1224	}	2057	}
1225		2058
1226	$cf::MAP{$key} = $map	2059	$cf::MAP{$path} = $map
1227	}	2060	}
1228	}	2061	}
		2062
		2063	sub pre_load { }
		2064	#sub post_load { } # XS
1229		2065
1230	sub load {	2066	sub load {
1231	my ($self) = @_;	2067	my ($self) = @_;
1232		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1233	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2074	my $guard = cf::lock_acquire "map_data:$path";
1235		2075
		2076	return unless $self->valid;
1236	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1237		2078
1238	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1239		2080
1240	$self->alloc;	2081	$self->alloc;
1241	$self->load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1242	or return;	2089	or return;
1243		2090
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1245	if delete $self->{load_original};	2092	if delete $self->{load_original};
1246		2093
1247	if (my $uniq = $path->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	2095	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1250	$self->clear_unique_items;	2098	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1252	}	2102	}
1253	}	2103	}
1254		2104
		2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1255	# now do the right thing for maps	2108	# now do the right thing for maps
1256	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1257
1258	if ($self->{path}->is_style_map) {
1259	$self->{deny_save} = 1;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;
1265	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	2111	unless $self->difficulty;
		2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1268	$self->activate;	2119	$self->activate;
1269	}	2120	}
1270		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
1271	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
1272	}	2126	}
1273		2127
1274	sub load_map_sync {	2128	$self->post_load;
		2129	}
		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
		2134	sub customise_for {
		2135	my ($self, $ob) = @_;
		2136
		2137	return find "~" . $ob->name . "/" . $self->{path}
		2138	if $self->per_player;
		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
		2143	$self
		2144	}
		2145
		2146	# find and load all maps in the 3x3 area around a map
		2147	sub load_neighbours {
		2148	my ($map) = @_;
		2149
		2150	my @neigh; # diagonal neighbours
		2151
		2152	for (0 .. 3) {
		2153	my $neigh = $map->tile_path ($_)
		2154	or next;
		2155	$neigh = find $neigh, $map
		2156	or next;
		2157	$neigh->load;
		2158
		2159	push @neigh,
		2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2162	}
		2163
		2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
		2166	my $neigh = find $path, $origin
		2167	or next;
		2168	$neigh->load;
		2169	}
		2170	}
		2171
		2172	sub find_sync {
1275	my ($path, $origin) = @_;	2173	my ($path, $origin) = @_;
1276		2174
1277	#warn "load_map_sync<$path, $origin>\n";#d#	2175	cf::sync_job { find $path, $origin }
		2176	}
1278		2177
		2178	sub do_load_sync {
		2179	my ($map) = @_;
		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
		2184	cf::sync_job { $map->load };
		2185	}
		2186
		2187	our %MAP_PREFETCH;
		2188	our $MAP_PREFETCHER = undef;
		2189
		2190	sub find_async {
		2191	my ($path, $origin, $load) = @_;
		2192
		2193	$path = normalise $path, $origin && $origin->{path};
		2194
		2195	if (my $map = $cf::MAP{$path}) {
		2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2197	}
		2198
		2199	$MAP_PREFETCH{$path} |= $load;
		2200
		2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
		2204	while (%MAP_PREFETCH) {
		2205	while (my ($k, $v) = each %MAP_PREFETCH) {
		2206	if (my $map = find $k) {
		2207	$map->load if $v;
		2208	}
		2209
		2210	delete $MAP_PREFETCH{$k};
		2211	}
		2212	}
		2213	undef $MAP_PREFETCHER;
		2214	};
		2215	$MAP_PREFETCHER->prio (6);
		2216
		2217	()
		2218	}
		2219
		2220	# common code, used by both ->save and ->swapout
		2221	sub _save {
		2222	my ($self) = @_;
		2223
		2224	$self->{last_save} = $cf::RUNTIME;
		2225
		2226	return unless $self->dirty;
		2227
		2228	my $save = $self->save_path; utf8::encode $save;
		2229	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2230
		2231	$self->{load_path} = $save;
		2232
		2233	return if $self->{deny_save};
		2234
		2235	local $self->{last_access} = $self->last_access;#d#
		2236
1279	cf::sync_job {	2237	cf::async {
1280	my $map = cf::map::find_map $path, $origin	2238	$Coro::current->{desc} = "map player save";
1281	or return;	2239	$_->contr->save for $self->players;
1282	$map->load;	2240	};
1283	$map	2241
		2242	cf::get_slot 0.02;
		2243
		2244	if ($uniq) {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2247	} else {
		2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1284	}	2249	}
1285	}	2250	}
1286		2251
1287	sub save {	2252	sub save {
1288	my ($self) = @_;	2253	my ($self) = @_;
1289		2254
1290	$self->{last_save} = $cf::RUNTIME;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1291		2256
1292	return unless $self->dirty;	2257	$self->_save;
1293
1294	my $save = $self->{path}->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1296
1297	$self->{load_path} = $save;
1298
1299	return if $self->{deny_save};
1300
1301	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}
1307	}	2258	}
1308		2259
1309	sub swap_out {	2260	sub swap_out {
1310	my ($self) = @_;	2261	my ($self) = @_;
1311		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1312	return if $self->players;	2267	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};
1315		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
1316	$self->save;	2275	$self->_save;
		2276
		2277	# then free the map
1317	$self->clear;	2278	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);
1319	}	2279	}
1320		2280
1321	sub reset_at {	2281	sub reset_at {
1322	my ($self) = @_;	2282	my ($self) = @_;
1323		2283
1324	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};
1326	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1327		2286
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		2289
…		…
1335	my ($self) = @_;	2294	my ($self) = @_;
1336		2295
1337	$self->reset_at <= $cf::RUNTIME	2296	$self->reset_at <= $cf::RUNTIME
1338	}	2297	}
1339		2298
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	2299	sub reset {
1362	my ($self) = @_;	2300	my ($self) = @_;
1363		2301
		2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2303
1364	return if $self->players;	2304	return if $self->players;
1365	return if $self->{path}{user_rel};#d#
1366		2305
1367	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
		2307
		2308	$self->in_memory (cf::MAP_SWAPPED);
		2309
		2310	# need to save uniques path
		2311	unless ($self->{deny_save}) {
		2312	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2313
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2315	if $uniq;
		2316	}
1368		2317
1369	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1370		2319
		2320	$self->deactivate;
1371	$_->clear_links_to ($self) for values %cf::MAP;	2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->clear;
1372		2323
1373	$self->unlink_save;	2324	$self->unlink_save;
1374	$self->destroy;	2325	$self->destroy;
1375	}	2326	}
1376		2327
1377	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1378		2329
1379	sub nuke {	2330	sub nuke {
1380	my ($self) = @_;	2331	my ($self) = @_;
1381		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
		2336	delete $cf::MAP{$self->path};
		2337
		2338	$self->unlink_save;
		2339
		2340	bless $self, "cf::map";
		2341	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2345
		2346	$cf::MAP{$self->path} = $self;
		2347	}
		2348
1385	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
1386	}	2350	}
1387		2351
1388	sub customise_for {	2352	=item $maps = cf::map::tmp_maps
1389	my ($map, $ob) = @_;
1390		2353
1391	if ($map->per_player) {	2354	Returns an arrayref with all map paths of currently instantiated and saved
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
1393	}	2360	[
1394		2361	map {
1395	$map	2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
1396	}	2368	}
1397		2369
1398	sub emergency_save {	2370	=item $maps = cf::map::random_maps
1399	local $cf::FREEZE = 1;
1400		2371
1401	warn "enter emergency map save\n";	2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
1402		2374
1403	cf::sync_job {	2375	=cut
1404	warn "begin emergency map save\n";	2376
1405	$_->save for values %cf::MAP;	2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
		2386	}
		2387
		2388	=item cf::map::unique_maps
		2389
		2390	Returns an arrayref of paths of all shared maps that have
		2391	instantiated unique items. May block.
		2392
		2393	=cut
		2394
		2395	sub unique_maps() {
		2396	[
		2397	map {
		2398	utf8::decode $_;
		2399	s/\.map$//; # TODO future compatibility hack
		2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2401	? ()
		2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
		2404	]
		2405	}
		2406
		2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
1406	};	2434	}
1407		2435
1408	warn "end emergency map save\n";	2436	\@maps
		2437	}
		2438
		2439	=back
		2440
		2441	=head3 cf::object
		2442
		2443	=cut
		2444
		2445	package cf::object;
		2446
		2447	=over 4
		2448
		2449	=item $ob->inv_recursive
		2450
		2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
		2453
		2454	=cut
		2455
		2456	sub inv_recursive_;
		2457	sub inv_recursive_ {
		2458	map { $_, inv_recursive_ $_->inv } @_
		2459	}
		2460
		2461	sub inv_recursive {
		2462	inv_recursive_ inv $_[0]
		2463	}
		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
1409	}	2491	}
1410		2492
1411	package cf;	2493	package cf;
1412		2494
1413	=back	2495	=back
1414
1415		2496
1416	=head3 cf::object::player	2497	=head3 cf::object::player
1417		2498
1418	=over 4	2499	=over 4
1419		2500
…		…
1422	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1423	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1424	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1425		2506
1426	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1427		2522
1428	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1429	# with dialog boxes.	2524	# with dialog boxes.
1430	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1431	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1433		2528
1434	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1435		2530
1436	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1437	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1438	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1439	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1440	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1441	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1442	}	2556	}
1443		2557
1444	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1445		2559
1446	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1459		2573
1460	=item $player_object->enter_link	2574	=item $player_object->enter_link
1461		2575
1462	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1463		2577
1464	The player should be reaosnably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1465	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
		2582
		2583	Will never block.
1466		2584
1467	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1468		2586
1469	Moves the player out of the specila link map onto the given map. If the	2587	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	2588	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	2589	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	2590	fails, to the emergency map position.
1473		2591
1474	Might block.	2592	Might block.
1475		2593
1476	=cut	2594	=cut
		2595
		2596	sub link_map {
		2597	unless ($LINK_MAP) {
		2598	$LINK_MAP = cf::map::find "{link}"
		2599	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2600	$LINK_MAP->load;
		2601	}
		2602
		2603	$LINK_MAP
		2604	}
1477		2605
1478	sub cf::object::player::enter_link {	2606	sub cf::object::player::enter_link {
1479	my ($self) = @_;	2607	my ($self) = @_;
1480		2608
1481	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1482		2610
1483	return if $self->map == $LINK_MAP;	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		2612
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1487		2615
1488	$self->enter_map ($LINK_MAP, 20, 20);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1489	}	2617	}
1490		2618
1491	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1493		2623
1494	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1495		2625
1496	unless ($map) {	2626	unless ($map) {
1497	# restore original map position	2627	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	2628	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	2629	$map = cf::map::find $map;
1500		2630
1501	unless ($map) {	2631	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	2632	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	2633	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	2634	or die "FATAL: cannot load emergency map\n";
1505	}	2635	}
1506	}	2636	}
1507		2637
1508	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1509	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1510		2640
1511	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1514		2644
1515	$map->load;	2645	$map->load;
		2646	$map->load_neighbours;
1516		2647
		2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1517	$self->activate_recursive;	2654	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);
1519	}	2655	}
1520		2656
1521	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1522	on_logout => sub {
1523	my ($pl) = @_;
1524		2658
1525	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1526	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1527	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1528	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1529	};	2663	be called at the end of this process.
1530	}
1531	},
1532	on_login => sub {
1533	my ($pl) = @_;
1534		2664
1535	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1536	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1537	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;
1539	Coro::async {
1540	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn
1542	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;
1544	};
1545	}
1546	},
1547	);
1548		2667
1549	=item $player_object->goto_map ($path, $x, $y)
1550
1551	=cut	2668	=cut
1552		2669
		2670	our $GOTOGEN;
		2671
1553	sub cf::object::player::goto_map {	2672	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1555		2677
1556	$self->enter_link;	2678	$self->enter_link;
1557		2679
1558	(Coro::async {	2680	(async {
1559	$path = new cf::path $path;	2681	$Coro::current->{desc} = "player::goto $path $x $y";
1560		2682
1561	my $map = cf::map::find_map $path->as_string;	2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
		2702	my $map = eval {
		2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1562	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
1563		2707	$map = $check->($map) if $check && $map;
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	2708	} else {
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
1568		2711
		2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
		2718	}
		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1569	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1570	})->prio (1);	2726	})->prio (1);
1571	}	2727	}
1572		2728
1573	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1574		2730
…		…
1576		2732
1577	sub parse_random_map_params {	2733	sub parse_random_map_params {
1578	my ($spec) = @_;	2734	my ($spec) = @_;
1579		2735
1580	my $rmp = { # defaults	2736	my $rmp = { # defaults
1581	xsize => 10,	2737	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	2738	ysize => (cf::rndm 15, 40),
		2739	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2740	#layout => string,
1583	};	2741	};
1584		2742
1585	for (split /\n/, $spec) {	2743	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	2744	my ($k, $v) = split /\s+/, $_, 2;
1587		2745
…		…
1599	# that depends on the exit object	2757	# that depends on the exit object
1600		2758
1601	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
1602		2760
1603	if ($exit->map) {	2761	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	2762	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1608	}	2768	}
1609		2769
1610	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1611		2771
1612	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1613	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
		2774	my $meta = "$RANDOMDIR/$md5.meta";
1614		2775
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
		2778	undef $fh;
		2779	aio_rename "$meta~", $meta;
1617		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1618	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1620	}	2787	}
1621	}	2788	}
1622		2789
1623	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
1625		2792
1626	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1627		2794
1628	$self->enter_link;	2795	$self->enter_link;
1629		2796
1630	(Coro::async {	2797	(async {
		2798	$Coro::current->{desc} = "enter_exit";
		2799
1631	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
1632		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
1633	prepare_random_map $exit	2807	prepare_random_map $exit
1634	if $exit->slaying eq "/!";	2808	if $exit->slaying eq "/!";
		2809	}
1635		2810
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
1638		2814
		2815	$self->goto ($map, $x, $y);
		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1639	1;	2821	1
1640	}) {	2822	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1642	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	2825	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1645		2827
1646	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	2829	$self->leave_link;
1648	}	2830	}
1649	})->prio (1);	2831	})->prio (1);
…		…
1662		2844
1663	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1664	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1665		2847
1666	utf8::encode $text;	2848	utf8::encode $text;
1667	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1668	}	2850	}
1669		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1670		3073
1671	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1672		3075
1673	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1674	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1675	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1676		3079
1677	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1678	reliable at some point in the future.	3081	become reliable at some point in the future.
1679		3082
1680	=cut	3083	=cut
1681		3084
1682	sub cf::client::query {	3085	sub cf::client::query {
1683	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1691	utf8::encode $text;	3094	utf8::encode $text;
1692	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1693		3096
1694	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1695	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1696	}	3101	}
1697		3102
1698	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1699	on_reply => sub {	3109	on_reply => sub {
1700	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1701		3111
1702	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
1703	# get handled first	3113	# get handled first
1704	my $queue = delete $ns->{query_queue};	3114	my $queue = delete $ns->{query_queue}
		3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		3116
1706	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		3119
1708	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
1709		3121
1710	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	3123	if (@$queue) {
…		…
1713	} else {	3125	} else {
1714	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1715	}	3127	}
1716	}	3128	}
1717	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
1718	);	3156	);
1719		3157
1720	=item $client->coro (\&cb)	3158	=item $client->async (\&cb)
1721		3159
1722	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	3161	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	3162	or loss of connection).
1725		3163
1726	=cut	3164	=cut
1727		3165
1728	sub cf::client::coro {	3166	sub cf::client::async {
1729	my ($self, $cb) = @_;	3167	my ($self, $cb) = @_;
1730		3168
1731	my $coro; $coro = async {	3169	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		3170
1738	$coro->on_destroy (sub {	3171	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	3172	delete $self->{_coro}{$coro+0};
1740	});	3173	});
1741		3174
…		…
1743		3176
1744	$coro	3177	$coro
1745	}	3178	}
1746		3179
1747	cf::client->attach (	3180	cf::client->attach (
1748	on_destroy => sub {	3181	on_client_destroy => sub {
1749	my ($ns) = @_;	3182	my ($ns) = @_;
1750		3183
1751	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1752	},	3185	},
1753	);	3186	);
…		…
1768	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
1769	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
1770		3203
1771	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
1772		3205
1773	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
1774		3211
1775	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
1776		3213
1777	=pod	3214	=pod
1778		3215
1779	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
1780		3217
1781	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
1782	cf::object::player player	3223	cf::object::player
1783	cf::player peaceful	3224	player
1784	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
1785		3231
1786	=cut	3232	=cut
1787		3233
1788	for (	3234	for (
1789	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
1790	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
1791	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
1792	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
1793	) {	3241	) {
1794	no strict 'refs';	3242	no strict 'refs';
1795	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
1796	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1814		3262
1815	my $qcode = $code;	3263	my $qcode = $code;
1816	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1817	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
1818		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
1819	local $_;	3270	local $_;
1820	local @safe::cf::_safe_eval_args = values %vars;
1821		3271
1822	my $eval =	3272	my $eval =
1823	"do {\n"	3273	"do {\n"
1824	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1825	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
1826	. $code	3276	. $code
1827	. "\n}"	3277	. "\n}"
1828	;	3278	;
1829		3279
		3280	if ($CFG{safe_eval}) {
1830	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
1831	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1832	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
1833		3289
1834	if ($@) {	3290	if ($@) {
1835	warn "$@";	3291	warn "$@";
1836	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
1837	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1856	=cut	3312	=cut
1857		3313
1858	sub register_script_function {	3314	sub register_script_function {
1859	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
1860		3316
1861	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
1862	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
1863	}	3319	}
1864		3320
1865	=back	3321	=back
1866		3322
1867	=cut	3323	=cut
1868		3324
1869	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
1870		3327
1871	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
1872		3330
1873	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
1874	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
1875	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
1876		3334
1877	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1878	using it, it should be unique.
1879		3336
1880	=over 4	3337	warn "loading facedata from $path\n";
1881		3338
1882	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
1883		3342
1884	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887		3344
1888	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
1889		3347
1890	Returns a single value from the database	3348	# patch in the exptable
1891		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1892	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
1893		3351	type => FT_RSRC,
1894	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
1896
1897	=item cf::db_put $family => $key => $value
1898
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909
1910	=cut
1911
1912	our $DB;
1913
1914	{
1915	my $path = cf::localdir . "/database.pst";
1916
1917	sub db_load() {
1918	$DB = stat $path ? Storable::retrieve $path : { };
1919	}
1920
1921	my $pid;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});	3354	};
		3355	cf::cede_to_tick;
1943		3356
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
1948		3359
1949	sub db_get($;$) {	3360	while (my ($face, $info) = each %$faces) {
1950	@_ >= 2	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954		3362
1955	sub db_put($$;$) {	3363	cf::face::set_visibility $idx, $info->{visibility};
1956	if (@_ >= 3) {	3364	cf::face::set_magicmap $idx, $info->{magicmap};
1957	$DB->{$_[0]}{$_[1]} = $_[2];	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1958	} else {	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963		3367
1964	cf::global->attach (	3368	cf::cede_to_tick;
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	3369	}
1969	);
1970	}
1971		3370
1972	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
1973	# the server's main()	3372	next unless $info->{smooth};
1974		3373
1975	sub cfg_load {	3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
1976	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
1977	or return;	3503	or return;
1978		3504
1979	local $/;	3505	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
		3507
		3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3509
		3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3512
		3513	if (exists $CFG{mlockall}) {
		3514	eval {
		3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3516	and die "WARNING: m(un)lockall failed: $!\n";
		3517	};
		3518	warn $@ if $@;
		3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
1981	}	3550	}
1982		3551
1983	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
1984	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	3565	(async {
1988	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
1989	})->();	3567	EV::loop EV::LOOP_ONESHOT;
		3568	})->prio (Coro::PRIO_MAX);
1990	};	3569	};
1991		3570
1992	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
1993	db_load;	3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
		3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
1994	load_extensions;	3594	load_extensions;
1995	Event::loop;	3595
		3596	utime time, time, $RUNTIMEFILE;
		3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
1996	}	3609	}
1997		3610
1998	#############################################################################	3611	#############################################################################
1999	# initialisation	3612	# initialisation and cleanup
2000		3613
		3614	# install some emergency cleanup handlers
		3615	BEGIN {
		3616	our %SIGWATCHER = ();
		3617	for my $signal (qw(INT HUP TERM)) {
		3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3619	cf::cleanup "SIG$signal";
		3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
		3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
		3710	}
		3711
		3712	sub emergency_save() {
		3713	my $freeze_guard = cf::freeze_mainloop;
		3714
		3715	warn "emergency_perl_save: enter\n";
		3716
		3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
		3723	# use a peculiar iteration method to avoid tripping on perl
		3724	# refcount bugs in for. also avoids problems with players
		3725	# and maps saved/destroyed asynchronously.
		3726	warn "emergency_perl_save: begin player save\n";
		3727	for my $login (keys %cf::PLAYER) {
		3728	my $pl = $cf::PLAYER{$login} or next;
		3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3731	$pl->save;
		3732	}
		3733	warn "emergency_perl_save: end player save\n";
		3734
		3735	warn "emergency_perl_save: begin map save\n";
		3736	for my $path (keys %cf::MAP) {
		3737	my $map = $cf::MAP{$path} or next;
		3738	$map->valid or next;
		3739	$map->save;
		3740	}
		3741	warn "emergency_perl_save: end map save\n";
		3742
		3743	warn "emergency_perl_save: begin database checkpoint\n";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
		3750	};
		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
		3757	warn "emergency_perl_save: leave\n";
		3758	}
		3759
		3760	sub post_cleanup {
		3761	my ($make_core) = @_;
		3762
		3763	warn Carp::longmess "post_cleanup backtrace"
		3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2001	sub reload() {	3795	sub do_reload_perl() {
2002	# can/must only be called in main	3796	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	3798	warn "can only reload from main coroutine";
2005	return;	3799	return;
2006	}	3800	}
2007		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2008	warn "reloading...";	3807	warn "reloading...";
2009		3808
2010	local $FREEZE = 1;	3809	warn "entering sync_job";
		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2011	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2012		3815
2013	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2014	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2015		3820
2016	# cancel all watchers	3821	warn "flushing outstanding aio requests";
2017	for (Event::all_watchers) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2019	}
2020
2021	# cancel all extension coros
2022	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();
2024
2025	# unload all extensions
2026	for (@exts) {
2027	warn "unloading <$_>";
2028	unload_extension $_;
2029	}
2030
2031	# unload all modules loaded from $LIBDIR
2032	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034
2035	warn "removing <$k>";
2036	delete $INC{$k};
2037
2038	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;
2040
2041	if (my $cb = $k->can ("unload_module")) {
2042	$cb->();
2043	}	3824	}
2044		3825
2045	Symbol::delete_package $k;	3826	warn "cancelling all extension coros";
		3827	$_->cancel for values %EXT_CORO;
		3828	%EXT_CORO = ();
		3829
		3830	warn "removing commands";
		3831	%COMMAND = ();
		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
		3839	warn "... unloading $pkg";
		3840
		3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
		3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2046	}	3850	}
2047		3851
2048	# sync database to disk	3852	warn "unloading all perl modules loaded from $LIBDIR";
2049	cf::db_sync;	3853	while (my ($k, $v) = each %INC) {
2050	IO::AIO::flush;	3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2051		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
		3867	}
		3868
2052	# get rid of safe::, as good as possible	3869	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		3872
2056	# remove register_script_function callbacks	3873	warn "unloading cf.pm \"a bit\"";
2057	# TODO
2058
2059	# unload cf.pm "a bit"
2060	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2061		3876
2062	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2063	# and global variables created in xs	3878	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2065		3880
2066	# reload cf.pm	3881	warn "unload completed, starting to reload now";
		3882
2067	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2068	require cf;	3884	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2070		3886
2071	# load config and database again	3887	warn "loading config and database again";
2072	cf::cfg_load;	3888	cf::reload_config;
2073	cf::db_load;
2074		3889
2075	# load extensions
2076	warn "load extensions";	3890	warn "loading extensions";
2077	cf::load_extensions;	3891	cf::load_extensions;
2078		3892
2079	# reattach attachments to objects	3893	if ($REATTACH_ON_RELOAD) {
		3894	warn "reattaching attachments to objects/players";
		3895	_global_reattach; # objects, sockets
		3896	warn "reattaching attachments to maps";
		3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
		3905	warn "leaving sync_job";
		3906
		3907	1
		3908	} or do {
		3909	warn $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
2080	warn "reattach";	3913	warn "reloaded";
2081	_global_reattach;	3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2082	};	3934	};
2083
2084	if ($@) {
2085	warn $@;
2086	warn "error while reloading, exiting.";
2087	exit 1;
2088	}
2089
2090	warn "reloaded successfully";
2091	};
2092
2093	#############################################################################
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}	3935	}
2135
2136	register "<global>", __PACKAGE__;
2137		3936
2138	register_command "reload" => sub {	3937	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2140		3939
2141	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");
2143	reload;
2144	$who->message ("end of reload.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
		3944	reload_perl;
		3945	};
2145	}	3946	}
2146	};	3947	};
2147		3948
2148	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2149		3950
2150	$TICK_WATCHER = Event->timer (	3951	my $bug_warning = 0;
2151	reentrant => 0,	3952
2152	prio => 0,	3953	our @WAIT_FOR_TICK;
2153	at => $NEXT_TICK || $TICK,	3954	our @WAIT_FOR_TICK_BEGIN;
2154	data => WF_AUTOCANCEL,	3955
2155	cb => sub {	3956	sub wait_for_tick {
2156	unless ($FREEZE) {	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3958
		3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
		3973	if ($Coro::current != $Coro::main) {
		3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3975	unless ++$bug_warning > 10;
		3976	return;
		3977	}
		3978
2157	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;
2159	}
2160		3980
2161	$NEXT_TICK += $TICK;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2162		3982
2163	# if we are delayed by four ticks or more, skip them all	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2165		3985	Coro::async_pool {
2166	$TICK_WATCHER->at ($NEXT_TICK);	3986	$Coro::current->{desc} = "runtime saver";
2167	$TICK_WATCHER->start;
2168	},
2169	);
2170
2171	IO::AIO::max_poll_time $TICK * 0.2;
2172
2173	Event->io (
2174	fd => IO::AIO::poll_fileno,
2175	poll => 'r',
2176	prio => 5,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,
2183	after => 0,
2184	interval => 10,
2185	cb => sub {
2186	(Coro::unblock_sub {
2187	write_runtime	3987	write_runtime_sync
2188	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
2189	})->();	3989	};
2190	},	3990	}
2191	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
		4010
		4011	{
		4012	# configure BDB
		4013
		4014	BDB::min_parallel 16;
		4015	BDB::max_poll_reqs $TICK * 0.1;
		4016	$AnyEvent::BDB::WATCHER->priority (1);
		4017
		4018	unless ($DB_ENV) {
		4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4025
		4026	cf::sync_job {
		4027	eval {
		4028	BDB::db_env_open
		4029	$DB_ENV,
		4030	$BDBDIR,
		4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4033	0666;
		4034
		4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4036	};
		4037
		4038	cf::cleanup "db_env_open(db): $@" if $@;
		4039	};
		4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
		4051	}
		4052
		4053	{
		4054	# configure IO::AIO
		4055
		4056	IO::AIO::min_parallel 8;
		4057	IO::AIO::max_poll_time $TICK * 0.1;
		4058	undef $AnyEvent::AIO::WATCHER;
		4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
		4106
		4107	END { cf::emergency_save }
2192		4108
2193	1	4109	1
2194		4110

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