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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
54		132
55	our %CFG;	133	our %CFG;
56		134
57	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
59		138
60	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		142
68	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
71	binmode STDOUT;	156	binmode STDOUT;
72	binmode STDERR;	157	binmode STDERR;
73		158
74	# read virtual server time, if available	159	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
79	}	164	}
80		165
81	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
82	mkdir cf::localdir . "/" . cf::playerdir;	167
83	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
84	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
85	mkdir $RANDOM_MAPS;
86		170
87	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
88		172
89	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
90		189
91	#############################################################################	190	#############################################################################
92		191
93	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
94		193
…		…
101	=item $cf::RUNTIME	200	=item $cf::RUNTIME
102		201
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	203	every server tick.
105		204
106	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		208
108	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
110		213
111	=item $cf::NOW	214	=item $cf::NOW
112		215
113	The time of the last (current) server tick.	216	The time of the last (current) server tick.
114		217
115	=item $cf::TICK	218	=item $cf::TICK
116		219
117	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
118		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
119	=item %cf::CFG	232	=item %cf::CFG
120		233
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	235	from wherever your confdir points to.
123		236
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		238
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
128	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
130		259
131	=back	260	=back
132		261
133	=cut	262	=cut
134		263
135	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
136	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
137	my $msg = join "", @_;	271	my $msg = join "", @_;
138	utf8::encode $msg;
139		272
140	$msg .= "\n"	273	$msg .= "\n"
141	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
142		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
143	LOG llevError, $msg;	278	LOG llevWarn, $msg;
144	};	279	};
145	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
146		294
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		302
154	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	304	# within the Safe compartment.
156	for my $pkg (qw(	305	for my $pkg (qw(
157	cf::global cf::attachable	306	cf::global cf::attachable
158	cf::object cf::object::player	307	cf::object cf::object::player
159	cf::client cf::player	308	cf::client cf::player
160	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
161	cf::map cf::party cf::region	311	cf::party cf::region
162	)) {	312	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	314	}
166		315
167	$Event::DIED = sub {	316	$EV::DIED = sub {
168	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
169	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
170		326
171	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
172		328
173	=over 4	329	=over 4
174		330
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	350	$d
195	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
196	}	352	}
197		353
198	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
199		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
200	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
201		369
202	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
203		371
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
212		373
213	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
214		375
215	=cut	376	=cut
216		377
217	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
219	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
220	}	443	}
221		444
222	=item cf::lock_wait $string	445	=item cf::lock_wait $string
223		446
224	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
225		448
226	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
227		450
228	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
231	returned.	454	returned.
232		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
233	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
235		461
236	=cut	462	=item $locked = cf::lock_active $string
237		463
238	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
239		469
240	sub lock_wait($) {	470	sub lock_wait($) {
241	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	472	}
249		473
250	sub lock_acquire($) {	474	sub lock_acquire($) {
251	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
252		477
253	# wait, to be sure we are not locked	478	sub lock_active($) {
254	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	480	}
263		481
264	sub freeze_mainloop {	482	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
266		484
267	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	486	}
269	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
270	};	556	}
271	$WRITE_RUNTIME_WATCHER->stop;	557	};
272	$TICK_WATCHER->stop;	558
273	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
274	}	572	}
275		573
276	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
277		575
278	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		581
284	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
285		583
286	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
287		585
288	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
291		590
292	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
295	fast or be very important.	594	fast or be very important.
…		…
297	=cut	596	=cut
298		597
299	sub sync_job(&) {	598	sub sync_job(&) {
300	my ($job) = @_;	599	my ($job) = @_;
301		600
302	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
303	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
305		606
306	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	608
308	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
309		610
310	my $busy = 1;	611	my $busy = 1;
311	my @res;	612	my @res;
312		613
313	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	616	@res = eval { $job->() };
315	warn $@ if $@;	617	error $@ if $@;
316	undef $busy;	618	undef $busy;
317	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
318		620
319	while ($busy) {	621	while ($busy) {
320	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
321	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
322		632
323	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
324	} else {	634	} else {
325	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
326		636
…		…
346	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
347		657
348	$coro	658	$coro
349	}	659	}
350		660
351	sub write_runtime {	661	=item fork_call { }, @args
352	my $runtime = cf::localdir . "/runtime";
353		662
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
355	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
356		667
357	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		669
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
362	and return;	671	reset_signals;
		672	}
363		673
364	# always fsync - this file is important	674	sub fork_call(&@) {
365	aio_fsync $fh	675	my ($cb, @args) = @_;
366	and return;
367		676
368	close $fh	677	# we seemingly have to make a local copy of the whole thing,
369	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
370		680
371	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
372	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
373		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
374	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	864	}
376		865
377	=back	866	=back
378		867
379	=cut	868	=cut
380		869
381	#############################################################################	870	#############################################################################
382		871
383	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
384		873
385	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
388		877
389	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	880	Deliantra).
392		881
393	=over 4	882	=over 4
394		883
395	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
396		885
…		…
440	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
441		930
442	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
444		933
445	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
447		936
448	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
449		938
450	=over 4	939	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
560		1049
561	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		1054
566	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
568		1057
569	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
574		1063
575	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		1066
578	} elsif (ref $type) {	1067	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
580		1069
581	} else {	1070	} else {
582	shift @arg;	1071	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
584	}	1073	}
585	}	1074	}
586	}	1075	}
587		1076
588	sub _object_attach {	1077	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
599	}	1088	}
600		1089
601	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
602	} else {	1091	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1093	}
605		1094
606	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
607	}	1096	}
608		1097
…		…
610	if (ref $_[0]) {	1099	if (ref $_[0]) {
611	_object_attach @_;	1100	_object_attach @_;
612	} else {	1101	} else {
613	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
614	}	1103	}
		1104	_recalc_want;
615	};	1105	};
616		1106
617	# all those should be optimised	1107	# all those should be optimised
618	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1113	reattach ($obj);
624	} else {	1114	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
626	}	1116	}
		1117	_recalc_want;
627	};	1118	};
628		1119
629	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
631		1122
…		…
646	";	1137	";
647	die if $@;	1138	die if $@;
648	}	1139	}
649		1140
650	our $override;	1141	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1143
653	sub override {	1144	sub override {
654	$override = 1;	1145	$override = 1;
655	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
656	}	1147	}
657		1148
658	sub do_invoke {	1149	sub do_invoke {
659	my $event = shift;	1150	my $event = shift;
660	my $callbacks = shift;	1151	my $callbacks = shift;
661		1152
662	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
663		1154
664	local $override;	1155	local $override;
665		1156
666	for (@$callbacks) {	1157	for (@$callbacks) {
667	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
668		1159
669	if ($@) {	1160	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1162	override;
673	}	1163	}
674		1164
675	return 1 if $override;	1165	return 1 if $override;
676	}	1166	}
677		1167
678	0	1168	0
679	}	1169	}
680		1170
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1172
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1174
685	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
686		1176
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1180
691	=back	1181	=back
692		1182
693	=cut	1183	=cut
694		1184
695	#############################################################################	1185	#############################################################################
696	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
697		1229
698	sub reattach {	1230	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1232	my ($obj) = @_;
701		1233
		1234	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1236
704	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
705		1238
706	@$registry = ();	1239	@$registry = ();
707		1240
…		…
712	for (@$attach) {	1245	for (@$attach) {
713	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
715	}	1248	}
716	} else {	1249	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1251	}
719	}	1252	}
720	}	1253	}
721		1254
722	cf::attachable->attach (	1255	cf::attachable->attach (
723	prio => -1000000,	1256	prio => -1000000,
724	on_instantiate => sub {	1257	on_instantiate => sub {
725	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
726		1259
727	$data = from_json $data;	1260	$data = decode_json $data;
728		1261
729	for (@$data) {	1262	for (@$data) {
730	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
731		1264
732	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1281	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
750		1283
751	sync_job {	1284	sync_job {
752	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
755		1290
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
760	close $fh;	1298	aio_close $fh;
761		1299
762	if (@$objs) {	1300	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
768	close $fh;	1309	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
770	}	1311	}
771	} else {	1312	} else {
772	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
773	}	1314	}
774		1315
775	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1320	} else {
777	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
778	}	1322	}
779	} else {	1323	} else {
780	aio_unlink $filename;	1324	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
782	}	1326	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1327	};
790	}	1328	}
791		1329
792	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
794		1332
…		…
799		1337
800	sub object_thawer_load {	1338	sub object_thawer_load {
801	my ($filename) = @_;	1339	my ($filename) = @_;
802		1340
803	my ($data, $av);	1341	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1342
808	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
809	or return;	1344	or return;
810		1345
811	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
813	or return;	1348	or return;
		1349
814	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
815	}	1352	}
816		1353
		1354	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
819	return ($data, $av);	1359	($data, $av)
820	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
821		1367
822	#############################################################################	1368	#############################################################################
823	# command handling &c	1369	# command handling &c
824		1370
825	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1385	}
840		1386
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1388
843	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
844		1394
845	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
846	called.	1396	called.
847		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
848	=cut	1409	=cut
849		1410
850	sub register_extcmd {	1411	sub register_extcmd {
851	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
852		1413
853	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
854	}	1415	}
855		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
856	cf::player->attach (	1425	cf::player->attach (
857	on_command => sub {	1426	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
859		1428
860	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
861	or return;	1430	or return;
862		1431
…		…
867	cf::override;	1436	cf::override;
868	},	1437	},
869	on_extcmd => sub {	1438	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
871		1440
872	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1442
874	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
880	} else {	1458	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1460	}
883		1461
884	cf::override;	1462	cf::override;
885	},	1463	},
886	);	1464	);
887		1465
		1466	# "readahead" all extensions
888	sub load_extension {	1467	sub cache_extensions {
889	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
890		1469
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1473	}
916	die $@;
917	}	1474	};
918		1475
919	push @EXTS, $pkg;	1476	$grp
920	}	1477	}
921		1478
922	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
923	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1486	next unless -r $path;
925	eval {	1487
926	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
927	1	1551	}
928	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
929	}	1564	};
930	}	1565	}
931		1566
932	#############################################################################	1567	#############################################################################
933		1568
		1569	=back
		1570
934	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
935		1572
936	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
937		1574
938	=cut	1575	=cut
939		1576
940	package cf::player;	1577	package cf::player;
941		1578
…		…
943		1580
944	=head3 cf::player	1581	=head3 cf::player
945		1582
946	=over 4	1583	=over 4
947		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
948	=item cf::player::find $login	1599	=item cf::player::find $login
949		1600
950	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
951		1602
952	=cut	1603	=cut
953		1604
954	sub playerdir($) {	1605	sub playerdir($) {
955	cf::localdir	1606	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1608	}
961		1609
962	sub path($) {	1610	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1612
965	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
966	}	1614	}
967		1615
968	sub find_active($) {	1616	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
973		1621
974	sub exists($) {	1622	sub exists($) {
975	my ($login) = @_;	1623	my ($login) = @_;
976		1624
977	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
979	}	1627	}
980		1628
981	sub find($) {	1629	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1631	my $login = $_[0];
984		1632
985	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
986		1634
987	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
989	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
991	}	1652	}
992	}	1653	}
993	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
994		1668
995	sub save($) {	1669	sub save($) {
996	my ($pl) = @_;	1670	my ($pl) = @_;
997		1671
998	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1004		1678
1005	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1007		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1008	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1009	Coro::cede;	1688	cf::cede_to_tick;
1010	}	1689	}
1011		1690
1012	sub new($) {	1691	sub new($) {
1013	my ($login) = @_;	1692	my ($login) = @_;
1014		1693
…		…
1020	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1021		1700
1022	$self	1701	$self
1023	}	1702	}
1024		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1025	=item $pl->quit_character	1714	=item $pl->quit_character
1026		1715
1027	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1029		1718
1030	=cut	1719	=cut
1031		1720
1032	sub quit_character {	1721	sub quit_character {
1033	my ($pl) = @_;	1722	my ($pl) = @_;
1034		1723
		1724	my $name = $pl->ob->name;
		1725
1035	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1728
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1039	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1041	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1042		1737
1043	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1048	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1049	}	1764	}
1050		1765
1051	=item cf::player::list_logins	1766	=item cf::player::list_logins
1052		1767
1053	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1055		1770
1056	=cut	1771	=cut
1057		1772
1058	sub list_logins {	1773	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1775	or return [];
1061		1776
1062	my @logins;	1777	my @logins;
1063		1778
1064	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1068		1789
1069	utf8::decode $login;	1790	utf8::decode $login;
1070	push @logins, $login;	1791	push @logins, $login;
1071	}	1792	}
1072		1793
1073	\@logins	1794	\@logins
1074	}	1795	}
1075		1796
1076	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1077		1800
1078	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1079	player. May block.	1802	player. May block.
1080		1803
1081	=cut	1804	=cut
…		…
1099	}	1822	}
1100		1823
1101	\@paths	1824	\@paths
1102	}	1825	}
1103		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1105		1832
1106	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1107		1834
1108	=cut	1835	=cut
1109		1836
1110	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1112		1839
1113	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1841	}
1117		1842
1118	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1119		1885
1120	=back	1886	=back
1121
1122		1887
1123	=head3 cf::map	1888	=head3 cf::map
1124		1889
1125	=over 4	1890	=over 4
1126		1891
…		…
1138	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1140		1905
1141	sub generate_random_map {	1906	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1143	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1144	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1155	(cf::region::find $rmp->{region}), $rmp->{custom}
1156	)
1157	}	1912	}
1158		1913
1159	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1160		1915
1161	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1166		1921
1167	sub register {	1922	sub register {
1168	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1924	my $pkg = caller;
1170		1925
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1927
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1929	}
1176		1930
1177	# also paths starting with '/'	1931	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1933
1180	sub thawer_merge {	1934	sub thawer_merge {
1181	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1182		1936
1183	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1184	local $self->{path};	1938	local $self->{path};
1185	local $self->{load_path};	1939	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1940
1189	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1190	}	1942	}
1191		1943
1192	sub normalise {	1944	sub normalise {
1193	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1194		1946
1195	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1196		1948
1197	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1198		1950
1199	# map plan:	1951	# map plan:
1200	#	1952	#
…		…
1215	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1216	$path = "$base/$path";	1968	$path = "$base/$path";
1217	}	1969	}
1218		1970
1219	for ($path) {	1971	for ($path) {
1220	redo if s{//}{/};
1221	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1222	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1223	}	1974	}
1224		1975
1225	$path	1976	$path
…		…
1239	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1240	return $self;	1991	return $self;
1241	}	1992	}
1242	}	1993	}
1243		1994
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1245	()	1996	()
1246	}	1997	}
1247		1998
		1999	# may re-bless or do other evil things
1248	sub init {	2000	sub init {
1249	my ($self) = @_;	2001	my ($self) = @_;
1250		2002
1251	$self	2003	$self
1252	}	2004	}
…		…
1264		2016
1265	# the original (read-only) location	2017	# the original (read-only) location
1266	sub load_path {	2018	sub load_path {
1267	my ($self) = @_;	2019	my ($self) = @_;
1268		2020
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1270	}	2022	}
1271		2023
1272	# the temporary/swap location	2024	# the temporary/swap location
1273	sub save_path {	2025	sub save_path {
1274	my ($self) = @_;	2026	my ($self) = @_;
1275		2027
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1278	}	2030	}
1279		2031
1280	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1281	sub uniq_path {	2033	sub uniq_path {
1282	my ($self) = @_;	2034	my ($self) = @_;
1283		2035
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1286	}	2038	}
1287		2039
1288	# and all this just because we cannot iterate over	2040	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	2041	my ($self) = @_;
1292		2042
1293	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1295	}	2046	}
1296		2047
1297	sub unlink_save {	2048	sub unlink_save {
1298	my ($self) = @_;	2049	my ($self) = @_;
1299		2050
1300	utf8::encode (my $save = $self->save_path);	2051	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2052	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2053	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	2054	}
1309		2055
1310	sub load_header_from($) {	2056	sub load_header_from($) {
1311	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1312		2058
1313	utf8::encode $path;	2059	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1319		2068
1320	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1321		2070
1322	1	2071	1
1323	}	2072	}
…		…
1362	$self->load_header_orig	2111	$self->load_header_orig
1363	or return;	2112	or return;
1364	$self->prepare_orig;	2113	$self->prepare_orig;
1365	}	2114	}
1366		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1367	1	2122	1
1368	}	2123	}
1369		2124
1370	sub find;	2125	sub find;
1371	sub find {	2126	sub find {
1372	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1373		2128
		2129	cf::cede_to_tick;
		2130
1374	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1375		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2135
1378	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1381	or return;	2138	or return;
1382		2139
1383	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1384		2141
1385	$map->load_header	2142	$map->load_header
1386	or return;	2143	or return;
1387		2144
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1391	$map->reset;	2150	$map->reset;
1392	undef $guard;
1393	return find $path;	2151	return find $path;
1394	}	2152	}
1395		2153
1396	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1397	}	2155	}
1398	}	2156	}
1399		2157
1400	sub pre_load { }	2158	sub pre_load { }
1401	sub post_load { }	2159	#sub post_load { } # XS
1402		2160
1403	sub load {	2161	sub load {
1404	my ($self) = @_;	2162	my ($self) = @_;
1405		2163
1406	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1407		2165
1408	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1410		2170
		2171	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2173
1413	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1414		2175
1415	$self->alloc;	2176	$self->alloc;
1416		2177
1417	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1418		2180
1419	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1420	or return;	2185	or return;
1421		2186
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1423	if delete $self->{load_original};	2188	if delete $self->{load_original};
1424		2189
1425	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2191	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2194	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1430	}	2199	}
1431	}
1432		2200
1433	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1434		2203
		2204	cf::cede_to_tick;
1435	# now do the right thing for maps	2205	# now do the right thing for maps
1436	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2208	unless $self->difficulty;
1446	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1447	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2223	}
1449		2224
1450	$self->post_load;	2225	$self->post_load;
1451		2226
1452	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1453	}	2228	}
1454		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1455	sub customise_for {	2233	sub customise_for {
1456	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1457		2235
1458	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2237	if $self->per_player;
1460		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1461	$self	2242	$self
1462	}	2243	}
1463		2244
1464	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2246	sub load_neighbours {
1466	my ($map) = @_;	2247	my ($map) = @_;
1467		2248
1468	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1469		2250
1470	for (0 .. 3) {	2251	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1472	or next;	2253	or next;
1473	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1474	or next;	2255	or next;
1475	$neigh->load;	2256	$neigh->load;
1476		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2262	}
1480		2263
1481	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1483	or next;	2267	or next;
1484	$neigh->load;	2268	$neigh->load;
1485	}	2269	}
1486	}	2270	}
1487		2271
1488	sub find_sync {	2272	sub find_sync {
1489	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1490		2274
1491	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1492	}	2279	}
1493		2280
1494	sub do_load_sync {	2281	sub do_load_sync {
1495	my ($map) = @_;	2282	my ($map) = @_;
1496		2283
1497	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1498	}	2288	}
1499		2289
1500	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1502		2292
1503	sub find_async {	2293	sub find_async {
1504	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1505		2295
1506	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1507		2297
1508	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2300	}
1511		2301
1512	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1513	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1514	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2309	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2310	$map->load if $v;
		2311	}
1519		2312
1520	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1521	}	2314	}
1522	}	2315	}
1523	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1524	};	2317	};
1525	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1526		2319
1527	()	2320	()
1528	}	2321	}
1529		2322
		2323	# common code, used by both ->save and ->swapout
1530	sub save {	2324	sub _save {
1531	my ($self) = @_;	2325	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2326
1535	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1536		2328
1537	return unless $self->dirty;	2329	return unless $self->dirty;
1538		2330
…		…
1544	return if $self->{deny_save};	2336	return if $self->{deny_save};
1545		2337
1546	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1547		2339
1548	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1550	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1551		2346
1552	if ($uniq) {	2347	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2350	} else {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1557	}	2352	}
1558	}	2353	}
1559		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1560	sub swap_out {	2363	sub swap_out {
1561	my ($self) = @_;	2364	my ($self) = @_;
1562		2365
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1568	return if $self->players;	2370	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1572	$self->clear;	2381	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2382	}
1575		2383
1576	sub reset_at {	2384	sub reset_at {
1577	my ($self) = @_;	2385	my ($self) = @_;
1578		2386
1579	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1582		2389
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2392
…		…
1596	my ($self) = @_;	2403	my ($self) = @_;
1597		2404
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2406
1600	return if $self->players;	2407	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2408
1603	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
		2410
		2411	$self->in_memory (cf::MAP_SWAPPED);
		2412
		2413	# need to save uniques path
		2414	unless ($self->{deny_save}) {
		2415	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2416
		2417	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2418	if $uniq;
		2419	}
1604		2420
1605	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1606		2422
1607	$self->in_memory (cf::MAP_SWAPPED);	2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2425	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2426
1612	$self->unlink_save;	2427	$self->unlink_save;
1613	$self->destroy;	2428	$self->destroy;
1614	}	2429	}
1615		2430
1616	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1617		2432
1618	sub nuke {	2433	sub nuke {
1619	my ($self) = @_;	2434	my ($self) = @_;
1620		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1621	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1622		2440
1623	$self->unlink_save;	2441	$self->unlink_save;
1624		2442
1625	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2448
1631	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1632		2451
1633	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1634	}	2489	}
1635		2490
1636	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1637		2492
1638	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2494	instantiated unique items. May block.
1640		2495
1641	=cut	2496	=cut
1642		2497
1643	sub unique_maps() {	2498	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1645	or return;	2500	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2501	utf8::decode $_;
1651	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2504	? ()
1654	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2507	]
1656
1657	\@paths
1658	}	2508	}
1659		2509
1660	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1661		2541
1662	=back	2542	=back
1663		2543
1664	=head3 cf::object	2544	=head3 cf::object
1665		2545
…		…
1669		2549
1670	=over 4	2550	=over 4
1671		2551
1672	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1673		2553
1674	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1675		2556
1676	=cut	2557	=cut
1677		2558
1678	sub inv_recursive_;	2559	sub inv_recursive_;
1679	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1682		2563
1683	sub inv_recursive {	2564	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1685	}	2566	}
1686		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1687	package cf;	2596	package cf;
1688		2597
1689	=back	2598	=back
1690		2599
1691	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1700		2609
1701	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1702		2625
1703	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2627	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1708		2631
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2633
1711	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1713	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1716	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1717	}	2659	}
1718		2660
1719	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1720		2662
1721	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1734		2676
1735	=item $player_object->enter_link	2677	=item $player_object->enter_link
1736		2678
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2680
1739	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1741		2685
1742	Will never block.	2686	Will never block.
1743		2687
1744	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1745		2689
…		…
1765	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2710	my ($self) = @_;
1767		2711
1768	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1769		2713
		2714	++$self->{_link_recursion};
		2715
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2717
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1774		2720
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2722	}
1777		2723
1778	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1780		2728
1781	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1782		2730
1783	unless ($map) {	2731	unless ($map) {
1784	# restore original map position	2732	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1797		2745
1798	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1801		2749
1802	$map->load;	2750	$map->load;
1803	$map->load_diag;	2751	$map->load_neighbours;
1804		2752
1805	return unless $self->contr->active;	2753	return unless $self->contr->active;
		2754
		2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2756	if ($self->enter_map ($map, $x, $y)) {
		2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
1806	$self->activate_recursive;	2760	$self->activate_recursive;
1807	$self->enter_map ($map, $x, $y);
1808	}
1809
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},	2761	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2762
1824	# try to abort aborted map switching on player login :)	2763	}
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2764
1842	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1844	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1845		2779
1846	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2791
1849	$self->enter_link;	2792	$self->enter_link;
1850		2793
1851	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1852	my $map = eval {	2816	my $map = eval {
1853	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1855	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2832	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1860	})->prio (1);	2840	})->prio (1);
1861	}	2841	}
1862		2842
1863	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1864		2844
…		…
1884	}	2864	}
1885		2865
1886	sub prepare_random_map {	2866	sub prepare_random_map {
1887	my ($exit) = @_;	2867	my ($exit) = @_;
1888		2868
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2871	# that depends on the exit object
1894		2872
1895	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2875	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1902	}	2882	}
1903		2883
1904	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1905		2885
1906	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1909		2889
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2892	undef $fh;
1913	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1914		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1917	}	2901	}
1918	}	2902	}
1919		2903
1920	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
1922		2906
1923	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1924		2908
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2909	$self->enter_link;
1935		2910
1936	(async {	2911	(async {
1937	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1938	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
1939	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
1940		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1941	1;	2935	1
1942	}) {	2936	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2941
1948	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2943	$self->leave_link;
1950	}	2944	}
1951	})->prio (1);	2945	})->prio (1);
1952	}	2946	}
1953		2947
…		…
1964		2958
1965	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
1967		2961
1968	utf8::encode $text;	2962	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2964	}
1971		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
		3153	=item $client->ext_msg ($type, @msg)
		3154
		3155	Sends an ext event to the client.
		3156
		3157	=cut
		3158
		3159	sub cf::client::ext_msg($$@) {
		3160	my ($self, $type, @msg) = @_;
		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
		3165	push @msg, msgtype => "event_$type";
		3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
		3186	}
1972		3187
1973	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
1974		3189
1975	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		3193
1979	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	3195	become reliable at some point in the future.
1981		3196
1982	=cut	3197	=cut
1983		3198
1984	sub cf::client::query {	3199	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3208	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3210
1996	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
1998	}	3215	}
1999		3216
2000	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2001	on_reply => sub {	3223	on_reply => sub {
2002	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2003		3225
2004	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2005	# get handled first	3227	# get handled first
…		…
2017	} else {	3239	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3241	}
2020	}	3242	}
2021	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2022	);	3270	);
2023		3271
2024	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2025		3273
2026	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3290
2043	$coro	3291	$coro
2044	}	3292	}
2045		3293
2046	cf::client->attach (	3294	cf::client->attach (
2047	on_destroy => sub {	3295	on_client_destroy => sub {
2048	my ($ns) = @_;	3296	my ($ns) = @_;
2049		3297
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3299	},
2052	);	3300	);
…		…
2067	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2069		3317
2070	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2071		3319
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2073		3325
2074	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2075		3327
2076	=pod	3328	=pod
2077		3329
2078	The following fucntions and emthods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2079		3331
2080	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2081	cf::object::player player	3337	cf::object::player
2082	cf::player peaceful	3338	player
2083	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2084		3345
2085	=cut	3346	=cut
2086		3347
2087	for (	3348	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2089	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2092	) {	3355	) {
2093	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2096	for @funs;	3358	for @funs;
2097	}	3359	}
2098		3360
…		…
2113		3375
2114	my $qcode = $code;	3376	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2117		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2118	local $_;	3383	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3384
2121	my $eval =	3385	my $eval =
2122	"do {\n"	3386	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3389	. $code
2126	. "\n}"	3390	. "\n}"
2127	;	3391	;
2128		3392
		3393	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2132		3402
2133	if ($@) {	3403	if ($@) {
2134	warn "$@";	3404	warn "$@",
2135	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2137	}	3407	}
2138		3408
2139	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2140	}	3410	}
2141		3411
…		…
2155	=cut	3425	=cut
2156		3426
2157	sub register_script_function {	3427	sub register_script_function {
2158	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2159		3429
2160	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2162	}	3432	}
2163		3433
2164	=back	3434	=back
2165		3435
2166	=cut	3436	=cut
2167
2168	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3437
2276	#############################################################################	3438	#############################################################################
2277	# the server's init and main functions	3439	# the server's init and main functions
2278		3440
		3441	sub load_facedata($) {
		3442	my ($path) = @_;
		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
		3450	trace "loading facedata from $path\n";
		3451
		3452	my $facedata = decode_storable load_file $path;
		3453
		3454	$facedata->{version} == 2
		3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
		3466	{
		3467	my $faces = $facedata->{faceinfo};
		3468
		3469	while (my ($face, $info) = each %$faces) {
		3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
		3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
		3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
		3479	}
		3480
		3481	while (my ($face, $info) = each %$faces) {
		3482	next unless $info->{smooth};
		3483
		3484	my $idx = cf::face::find $face
		3485	or next;
		3486
		3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
		3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3490	} else {
		3491	error "smooth face '$info->{smooth}' not found for face '$face'";
		3492	}
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496	}
		3497
		3498	{
		3499	my $anims = $facedata->{animinfo};
		3500
		3501	while (my ($anim, $info) = each %$anims) {
		3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3503	cf::cede_to_tick;
		3504	}
		3505
		3506	cf::anim::invalidate_all; # d'oh
		3507	}
		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
		3528	1
		3529	}
		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
2279	sub load_resources {	3539	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3555	or die "unable to load regions file\n";
2282	}
2283		3556
2284	sub cfg_load {	3557	for (cf::region::list) {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3558	$_->{match} = qr/$_->{match}/
2286	or return;	3559	if exists $_->{match};
		3560	}
		3561	}
2287		3562
2288	local $/;	3563	sub reload_facedata {
2289	*CFG = YAML::Syck::Load <$fh>;	3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
2290		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
		3598	sub reload_resources {
		3599	trace "reloading resource files...\n";
		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
		3606	reload_regions;
		3607	reload_treasures;
		3608
		3609	trace "finished reloading resource files\n";
		3610	}
		3611
		3612	sub reload_config {
		3613	trace "reloading config file...\n";
		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3620
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2295		3623
2296	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2300	};	3628	};
2301	warn $@ if $@;	3629	warn $@ if $@;
2302	}	3630	}
2303	}	3631	}
2304		3632
2305	sub init {	3633	sub pidfile() {
2306	load_resources;	3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
2307	}	3659	}
2308		3660
2309	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2310	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3674	(async {
2314	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2316	};	3678	};
2317		3679
2318	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
		3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2320	load_extensions;	3703	load_extensions;
2321		3704
2322	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2323	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2324	}	3723	}
2325		3724
2326	#############################################################################	3725	#############################################################################
2327	# initialisation and cleanup	3726	# initialisation and cleanup
2328		3727
2329	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2330	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2339	},
2340	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2341	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2342	}	3824	}
2343		3825
2344	sub emergency_save() {	3826	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2346		3828
2347	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2348		3835
2349	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2350	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3847	$pl->save;
2358	}	3848	}
2359	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2360		3850
2361	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3856	$map->valid or next;
2365	$map->save;	3857	$map->save;
2366	}	3858	}
2367	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
		3864	BDB::db_env_txn_checkpoint $DB_ENV;
		3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2368	};	3889	};
2369		3890
2370	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2371	}	3892	}
2372		3893
		3894	sub post_cleanup {
		3895	my ($make_core) = @_;
		3896
		3897	IO::AIO::flush;
		3898
		3899	error Carp::longmess "post_cleanup backtrace"
		3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2373	sub reload() {	3931	sub do_reload_perl() {
2374	# can/must only be called in main	3932	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2376	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2377	return;	3935	return;
2378	}	3936	}
2379		3937
2380	warn "reloading...";	3938	return if $RELOAD++;
2381		3939
2382	warn "cancelling server ticker";	3940	my $t1 = AE::time;
2383	$TICK_WATCHER->cancel;
2384		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
		3948	cf::sync_job {
2385	cf::emergency_save;	3949	#cf::emergency_save;
2386		3950
2387	eval {
2388	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";
2399	for (;;) {
2400	IO::AIO::flush;
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3953	%EXT_CORO = ();
2409		3954
2410	warn "removing commands";	3955	trace "perl_reload: removing commands";
2411	%COMMAND = ();	3956	%COMMAND = ();
2412		3957
2413	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2414	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2415		3961
2416	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2419		3965
2420	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2421	eval {	3967	eval {
2422	$cb->($pkg);	3968	$cb->($pkg);
2423	1	3969	1
2424	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2425	}	3975	}
2426		3976
2427	warn "... nuking $pkg";
2428	Symbol::delete_package $pkg;
2429	}
2430
2431	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2432	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3980
2435	warn "... unloading $k";	3981	trace "... unloading $k";
2436	delete $INC{$k};	3982	delete $INC{$k};
2437		3983
2438	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2440		3986
2441	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2442	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2443	}	3992	}
2444		3993
2445	Symbol::delete_package $k;
2446	}
2447
2448	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3997
2452	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		4001
2455	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2456	# and global variables created in xs	4003	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2458		4005
2459	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2460		4007
2461	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2462	require cf;	4009	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2464		4011
2465	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2466	cf::cfg_load;	4013	cf::reload_config;
2467	cf::db_load;
2468		4014
2469	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2470	cf::load_extensions;	4016	cf::load_extensions;
2471		4017
		4018	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2473	_global_reattach;	4020	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2475	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
		4023	trace "perl_reload: reattaching attachments to players";
		4024	reattach $_ for values %PLAYER;
		4025	}
2476		4026
2477	warn "loading reloadable resources";	4027	cf::_post_init 1;
2478	load_resources;
2479		4028
2480	warn "restarting server ticker";	4029	trace "perl_reload: leaving sync_job";
2481		4030
2482	$TICK_WATCHER->start;	4031	1
		4032	} or do {
		4033	error $@;
		4034	cf::cleanup "perl_reload: error, exiting.";
		4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2483	};	4057	};
2484		4058	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		4059
2496	register_command "reload" => sub {	4060	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2498		4062
2499	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2501		4065	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	4067	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	4068	};
2514	}	4069	}
2515	};	4070	};
2516		4071
2517	unshift @INC, $LIBDIR;	4072	#############################################################################
2518		4073
2519	my $bug_warning = 0;	4074	my $bug_warning = 0;
2520		4075
2521	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2522	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	4078
2524	prio => 0,	4079	sub wait_for_tick() {
2525	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	4081
2527	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2528	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2531	return;	4099	return;
2532	}	4100	}
2533		4101
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4103
2540	$WAIT_FOR_TICK->broadcast;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		4105
2543	Event::sweep;	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	Coro::cede_notself;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
		4110	write_runtime_sync
		4111	or error "ERROR: unable to write runtime file: $!";
		4112	};
		4113	}
		4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
2545		4130	}
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},	4131	}
2555	);	4132	}
2556		4133
		4134	{
		4135	# configure BDB
		4136
		4137	BDB::min_parallel 16;
		4138	BDB::max_poll_reqs $TICK * 0.1;
		4139	$AnyEvent::BDB::WATCHER->priority (1);
		4140
		4141	unless ($DB_ENV) {
		4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4148
		4149	cf::sync_job {
		4150	eval {
		4151	BDB::db_env_open
		4152	$DB_ENV,
		4153	$BDBDIR,
		4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4156	0666;
		4157
		4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4159	};
		4160
		4161	cf::cleanup "db_env_open(db): $@" if $@;
		4162	};
		4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
		4174	}
		4175
		4176	{
		4177	# configure IO::AIO
		4178
		4179	IO::AIO::min_parallel 8;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
		4181	undef $AnyEvent::AIO::WATCHER;
		4182	}
2558		4183
2559	undef $Coro::AIO::WATCHER;	4184	our $_log_backtrace;
2560	$AIO_POLL_WATCHER = Event->io (	4185	our $_log_backtrace_last;
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568		4186
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4187	sub _log_backtrace {
2570	reentrant => 0,	4188	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4189
2572	after => 1,	4190	$msg =~ s/\n$//;
2573	interval => 10,	4191
2574	prio => 6, # keep it lowest so it acts like a watchdog	4192	if ($_log_backtrace_last eq $msg) {
2575	cb => Coro::unblock_sub {	4193	LOG llevInfo, "[ABT] $msg\n";
2576	write_runtime	4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2577	or warn "ERROR: unable to write runtime file: $!";	4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2578	},	4228	}
2579	);	4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2580		4234
2581	END { cf::emergency_save }	4235	END { cf::emergency_save }
2582		4236
2583	1	4237	1
2584		4238

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