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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		132
68	our %CFG;	133	our %CFG;
69		134
70	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
72		138
73	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		142
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		155
85	binmode STDOUT;	156	binmode STDOUT;
86	binmode STDERR;	157	binmode STDERR;
87		158
88	# read virtual server time, if available	159	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
93	}	164	}
94		165
95	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	167
97	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		170
102	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
103		172
104	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::"} };
105		189
106	#############################################################################	190	#############################################################################
107		191
108	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
109		193
…		…
116	=item $cf::RUNTIME	200	=item $cf::RUNTIME
117		201
118	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
119	every server tick.	203	every server tick.
120		204
121	=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
122		208
123	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		213
126	=item $cf::NOW	214	=item $cf::NOW
127		215
128	The time of the last (current) server tick.	216	The time of the last (current) server tick.
129		217
130	=item $cf::TICK	218	=item $cf::TICK
131		219
132	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	232	=item %cf::CFG
135		233
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	235	from wherever your confdir points to.
138		236
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		238
141	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
142	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
143	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.
144	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.
145		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153	utf8::encode $msg;
154		272
155	$msg .= "\n"	273	$msg .= "\n"
156	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
157		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
158	LOG llevError, $msg;	278	LOG llevWarn, $msg;
159	};	279	};
160	}	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	};
161		294
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		302
169	# 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
170	# within the Safe compartment.	304	# within the Safe compartment.
171	for my $pkg (qw(	305	for my $pkg (qw(
172	cf::global cf::attachable	306	cf::global cf::attachable
173	cf::object cf::object::player	307	cf::object cf::object::player
174	cf::client cf::player	308	cf::client cf::player
175	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
176	cf::map cf::party cf::region	311	cf::party cf::region
177	)) {	312	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	314	}
181		315
182	$Event::DIED = sub {	316	$EV::DIED = sub {
183	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
184	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
185		326
186	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
187		328
188	=over 4	329	=over 4
189		330
…		…
208	$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;
209	$d	350	$d
210	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
211	}	352	}
212		353
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
214		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
215	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
216		369
217	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
218		371
219	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
220		373
221	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
222		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		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	}
		443	}
		444
223	=item cf::lock_wait $string	445	=item cf::lock_wait $string
224		446
225	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
226		448
227	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
228		450
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
232	returned.	454	returned.
233		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
234	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
235	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
236		461
237	=cut	462	=item $locked = cf::lock_active $string
238		463
239	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;
240		469
241	sub lock_wait($) {	470	sub lock_wait($) {
242	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	472	}
250		473
251	sub lock_acquire($) {	474	sub lock_acquire($) {
252	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
253		477
254	# wait, to be sure we are not locked	478	sub lock_active($) {
255	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	480	}
264		481
265	sub freeze_mainloop {	482	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
267		484
268	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	486	}
		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	$TICK_WATCHER->stop;	557	};
272	$guard	558
		559	sub get_slot($;$$) {
		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;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	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
289	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.
290		590
291	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
292	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
293	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
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		662
353	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		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.
354		667
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
356	or return;
357		669
358	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
360	# 60 allows for the watchdog to kill the server.	672	}
361		673
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
363	and return;	675	my ($cb, @args) = @_;
364		676
365	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
367	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	close $fh	681	my @res = Coro::Util::fork_eval {
370	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
372	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
373	and return;	687	}
374		688
		689	sub objinfo {
375	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 });
376	}	864	}
377		865
378	=back	866	=back
379		867
380	=cut	868	=cut
381		869
382	#############################################################################	870	#############################################################################
383		871
384	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
385		873
386	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
387	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")
388	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
389		877
390	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>
391	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
392	crossfire+).	880	Deliantra).
393		881
394	=over 4	882	=over 4
395		883
396	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
397		885
…		…
441	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
442		930
443	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
444	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
445		933
446	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		936
449	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
450		938
451	=over 4	939	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
561		1049
562	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1054
567	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
569		1057
570	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
575		1063
576	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1066
579	} elsif (ref $type) {	1067	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
581		1069
582	} else {	1070	} else {
583	shift @arg;	1071	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
585	}	1073	}
586	}	1074	}
587	}	1075	}
588		1076
589	sub _object_attach {	1077	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
600	}	1088	}
601		1089
602	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
603	} else {	1091	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1093	}
606		1094
607	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
608	}	1096	}
609		1097
…		…
611	if (ref $_[0]) {	1099	if (ref $_[0]) {
612	_object_attach @_;	1100	_object_attach @_;
613	} else {	1101	} else {
614	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
615	}	1103	}
		1104	_recalc_want;
616	};	1105	};
617		1106
618	# all those should be optimised	1107	# all those should be optimised
619	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1113	reattach ($obj);
625	} else {	1114	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
627	}	1116	}
		1117	_recalc_want;
628	};	1118	};
629		1119
630	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
632		1122
…		…
647	";	1137	";
648	die if $@;	1138	die if $@;
649	}	1139	}
650		1140
651	our $override;	1141	our $override;
652	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?
653		1143
654	sub override {	1144	sub override {
655	$override = 1;	1145	$override = 1;
656	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
657	}	1147	}
658		1148
659	sub do_invoke {	1149	sub do_invoke {
660	my $event = shift;	1150	my $event = shift;
661	my $callbacks = shift;	1151	my $callbacks = shift;
662		1152
663	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
664		1154
665	local $override;	1155	local $override;
666		1156
667	for (@$callbacks) {	1157	for (@$callbacks) {
668	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
669		1159
670	if ($@) {	1160	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1162	override;
674	}	1163	}
675		1164
676	return 1 if $override;	1165	return 1 if $override;
677	}	1166	}
678		1167
679	0	1168	0
680	}	1169	}
681		1170
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1172
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1174
686	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
687		1176
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1180
692	=back	1181	=back
693		1182
694	=cut	1183	=cut
695		1184
696	#############################################################################	1185	#############################################################################
697	# 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	}
698		1229
699	sub reattach {	1230	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1232	my ($obj) = @_;
702		1233
		1234	# no longer needed after getting rid of delete_package?
703	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
704		1236
705	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
706		1238
707	@$registry = ();	1239	@$registry = ();
708		1240
…		…
713	for (@$attach) {	1245	for (@$attach) {
714	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
716	}	1248	}
717	} else {	1249	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1251	}
720	}	1252	}
721	}	1253	}
722		1254
723	cf::attachable->attach (	1255	cf::attachable->attach (
724	prio => -1000000,	1256	prio => -1000000,
725	on_instantiate => sub {	1257	on_instantiate => sub {
726	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
727		1259
728	$data = from_json $data;	1260	$data = decode_json $data;
729		1261
730	for (@$data) {	1262	for (@$data) {
731	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
732		1264
733	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1281	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
751		1283
752	sync_job {	1284	sync_job {
753	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
756		1290
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1298	aio_close $fh;
762		1299
763	if (@$objs) {	1300	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1309	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
771	}	1311	}
772	} else {	1312	} else {
773	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
774	}	1314	}
775		1315
776	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1320	} else {
778	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
779	}	1322	}
780	} else {	1323	} else {
781	aio_unlink $filename;	1324	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
783	}	1326	}
784	}	1327	};
785	}	1328	}
786		1329
787	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
789		1332
…		…
801	or return;	1344	or return;
802		1345
803	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
805	or return;	1348	or return;
		1349
806	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
807	}	1352	}
808		1353
		1354	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
811	return ($data, $av);	1359	($data, $av)
812	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
813		1367
814	#############################################################################	1368	#############################################################################
815	# command handling &c	1369	# command handling &c
816		1370
817	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1385	}
832		1386
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1388
835	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.
836		1394
837	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
838	called.	1396	called.
839		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
840	=cut	1409	=cut
841		1410
842	sub register_extcmd {	1411	sub register_extcmd {
843	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
844		1413
845	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
846	}	1415	}
847		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
848	cf::player->attach (	1425	cf::player->attach (
849	on_command => sub {	1426	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
851		1428
852	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
853	or return;	1430	or return;
854		1431
…		…
859	cf::override;	1436	cf::override;
860	},	1437	},
861	on_extcmd => sub {	1438	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
863		1440
864	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1442
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
872	} else {	1458	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1460	}
875		1461
876	cf::override;	1462	cf::override;
877	},	1463	},
878	);	1464	);
879		1465
		1466	# "readahead" all extensions
880	sub load_extension {	1467	sub cache_extensions {
881	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
882		1469
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1473	}
908	die $@;
909	}	1474	};
910		1475
911	push @EXTS, $pkg;	1476	$grp
912	}	1477	}
913		1478
914	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
915	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1486	next unless -r $path;
917	eval {	1487
918	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	}
919	1	1551	}
920	} 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	}
921	}	1564	};
922	}	1565	}
923		1566
924	#############################################################################	1567	#############################################################################
925		1568
		1569	=back
		1570
926	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
927		1572
928	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
929		1574
930	=cut	1575	=cut
931		1576
932	package cf::player;	1577	package cf::player;
933		1578
…		…
935		1580
936	=head3 cf::player	1581	=head3 cf::player
937		1582
938	=over 4	1583	=over 4
939		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
940	=item cf::player::find $login	1599	=item cf::player::find $login
941		1600
942	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
943		1602
944	=cut	1603	=cut
945		1604
946	sub playerdir($) {	1605	sub playerdir($) {
947	cf::localdir	1606	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1608	}
953		1609
954	sub path($) {	1610	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1612
957	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
958	}	1614	}
959		1615
960	sub find_active($) {	1616	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
965		1621
966	sub exists($) {	1622	sub exists($) {
967	my ($login) = @_;	1623	my ($login) = @_;
968		1624
969	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
971	}	1627	}
972		1628
973	sub find($) {	1629	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1631	my $login = $_[0];
976		1632
977	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
978		1634
979	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
983	}	1652	}
984	}	1653	}
985	}	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	);
986		1668
987	sub save($) {	1669	sub save($) {
988	my ($pl) = @_;	1670	my ($pl) = @_;
989		1671
990	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
996		1678
997	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1001	Coro::cede;	1688	cf::cede_to_tick;
1002	}	1689	}
1003		1690
1004	sub new($) {	1691	sub new($) {
1005	my ($login) = @_;	1692	my ($login) = @_;
1006		1693
…		…
1012	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1013		1700
1014	$self	1701	$self
1015	}	1702	}
1016		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
1017	=item $pl->quit_character	1714	=item $pl->quit_character
1018		1715
1019	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
1020	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1021		1718
…		…
1025	my ($pl) = @_;	1722	my ($pl) = @_;
1026		1723
1027	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1028		1725
1029	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1030	$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
1031		1728
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1035	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1036		1737
1037	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1069		1770
1070	=cut	1771	=cut
1071		1772
1072	sub list_logins {	1773	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1775	or return [];
1075		1776
1076	my @logins;	1777	my @logins;
1077		1778
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1082		1789
1083	utf8::decode $login;	1790	utf8::decode $login;
1084	push @logins, $login;	1791	push @logins, $login;
1085	}	1792	}
1086		1793
1087	\@logins	1794	\@logins
1088	}	1795	}
1089		1796
1090	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1091		1800
1092	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1093	player. May block.	1802	player. May block.
1094		1803
1095	=cut	1804	=cut
…		…
1113	}	1822	}
1114		1823
1115	\@paths	1824	\@paths
1116	}	1825	}
1117		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1119		1832
1120	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1121		1834
1122	=cut	1835	=cut
1123		1836
1124	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1126		1839
1127	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1841	}
1131		1842
1132	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		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	}
1133		1885
1134	=back	1886	=back
1135
1136		1887
1137	=head3 cf::map	1888	=head3 cf::map
1138		1889
1139	=over 4	1890	=over 4
1140		1891
…		…
1152	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1154		1905
1155	sub generate_random_map {	1906	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1158	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1912	}
1172		1913
1173	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1174		1915
1175	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
…		…
1180		1921
1181	sub register {	1922	sub register {
1182	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1924	my $pkg = caller;
1184		1925
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1927
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1929	}
1190		1930
1191	# also paths starting with '/'	1931	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1933
1194	sub thawer_merge {	1934	sub thawer_merge {
1195	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1196		1936
1197	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1198	local $self->{path};	1938	local $self->{path};
1199	local $self->{load_path};	1939	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1940
1203	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1204	}	1942	}
1205		1943
1206	sub normalise {	1944	sub normalise {
1207	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1208		1946
1209	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1210		1948
1211	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1212		1950
1213	# map plan:	1951	# map plan:
1214	#	1952	#
…		…
1216	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1217	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1218	# ?random/... random maps	1956	# ?random/... random maps
1219	# /... normal maps	1957	# /... normal maps
1220	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1221		1960
1222	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1223		1962
1224	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1225	# something that looks reasonable	1964	# something that looks reasonable
1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1228		1967
1229	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1231	}	1984	}
1232		1985
1233	for ($path) {	1986	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1237	}	1989	}
1238		1990
1239	$path	1991	$path
…		…
1253	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1254	return $self;	2006	return $self;
1255	}	2007	}
1256	}	2008	}
1257		2009
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	2011	()
1260	}	2012	}
1261		2013
		2014	# may re-bless or do other evil things
1262	sub init {	2015	sub init {
1263	my ($self) = @_;	2016	my ($self) = @_;
1264		2017
1265	$self	2018	$self
1266	}	2019	}
…		…
1278		2031
1279	# the original (read-only) location	2032	# the original (read-only) location
1280	sub load_path {	2033	sub load_path {
1281	my ($self) = @_;	2034	my ($self) = @_;
1282		2035
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1284	}	2037	}
1285		2038
1286	# the temporary/swap location	2039	# the temporary/swap location
1287	sub save_path {	2040	sub save_path {
1288	my ($self) = @_;	2041	my ($self) = @_;
1289		2042
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1292	}	2045	}
1293		2046
1294	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1295	sub uniq_path {	2048	sub uniq_path {
1296	my ($self) = @_;	2049	my ($self) = @_;
1297		2050
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1300	}	2053	}
1301		2054
1302	# and all this just because we cannot iterate over	2055	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2056	my ($self) = @_;
1306		2057
1307	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1309	}	2061	}
1310		2062
1311	sub unlink_save {	2063	sub unlink_save {
1312	my ($self) = @_;	2064	my ($self) = @_;
1313		2065
…		…
1318		2070
1319	sub load_header_from($) {	2071	sub load_header_from($) {
1320	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1321		2073
1322	utf8::encode $path;	2074	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2076	or return;
1328		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1329	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1330		2085
1331	1	2086	1
1332	}	2087	}
1333		2088
		2089	# used to laod the header of an original map
1334	sub load_header_orig {	2090	sub load_header_orig {
1335	my ($self) = @_;	2091	my ($self) = @_;
1336		2092
1337	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1338	}	2094	}
1339		2095
		2096	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2097	sub load_header_temp {
1341	my ($self) = @_;	2098	my ($self) = @_;
1342		2099
1343	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1344	}	2101	}
1345		2102
		2103	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2104	sub prepare_temp {
1347	my ($self) = @_;	2105	my ($self) = @_;
1348		2106
1349	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1351	# safety	2109	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2112	}
1355		2113
		2114	# called after loading the header from an original map
1356	sub prepare_orig {	2115	sub prepare_orig {
1357	my ($self) = @_;	2116	my ($self) = @_;
1358		2117
1359	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2130	$self->load_header_orig
1372	or return;	2131	or return;
1373	$self->prepare_orig;	2132	$self->prepare_orig;
1374	}	2133	}
1375		2134
		2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
		2137
		2138	$self->default_region (cf::region::find_by_path $self->{path})
		2139	unless $self->default_region;
		2140
1376	1	2141	1
1377	}	2142	}
1378		2143
1379	sub find;	2144	sub find;
1380	sub find {	2145	sub find {
1381	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1382		2147
		2148	cf::cede_to_tick;
		2149
1383	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1384		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2154
1387	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1390	or return;	2157	or return;
1391		2158
1392	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1393		2160
1394	$map->load_header	2161	$map->load_header
1395	or return;	2162	or return;
1396		2163
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1400	$map->reset;	2169	$map->reset;
1401	undef $guard;
1402	return find $path;	2170	return find $path;
1403	}	2171	}
1404		2172
1405	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1406	}	2174	}
1407	}	2175	}
1408		2176
1409	sub pre_load { }	2177	sub pre_load { }
1410	sub post_load { }	2178	#sub post_load { } # XS
1411		2179
1412	sub load {	2180	sub load {
1413	my ($self) = @_;	2181	my ($self) = @_;
1414		2182
1415	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
1416		2184
1417	my $path = $self->{path};	2185	my $path = $self->{path};
		2186
		2187	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1419		2189
		2190	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2192
1422	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1423		2194
1424	$self->alloc;	2195	$self->alloc;
1425		2196
1426	$self->pre_load;	2197	$self->pre_load;
		2198	cf::cede_to_tick;
1427		2199
1428	$self->_load_objects ($self->{load_path}, 1)	2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1429	or return;	2204	or return;
1430		2205
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1432	if delete $self->{load_original};	2207	if delete $self->{load_original};
1433		2208
1434	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2210	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2213	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1439	}	2218	}
1440	}
1441		2219
1442	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
1443		2225
		2226	cf::cede_to_tick;
1444	# now do the right thing for maps	2227	# now do the right thing for maps
1445	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2230	unless $self->difficulty;
1455	Coro::cede;	2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1456	$self->activate;	2238	$self->activate;
		2239	}
		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
		2244	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2245	}
1458		2246
1459	$self->post_load;	2247	$self->post_load;
1460		2248
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2249	1
1462	}	2250	}
1463		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2255	sub customise_for {
1465	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1466		2257
1467	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2259	if $self->per_player;
1469		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
1470	$self	2264	$self
1471	}	2265	}
1472		2266
1473	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2268	sub load_neighbours {
1475	my ($map) = @_;	2269	my ($map) = @_;
1476		2270
1477	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1478		2272
1479	for (0 .. 3) {	2273	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1481	or next;	2275	or next;
1482	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1483	or next;	2277	or next;
1484	$neigh->load;	2278	$neigh->load;
1485		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2284	}
1489		2285
1490	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1492	or next;	2289	or next;
1493	$neigh->load;	2290	$neigh->load;
1494	}	2291	}
1495	}	2292	}
1496		2293
1497	sub find_sync {	2294	sub find_sync {
1498	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1499		2296
1500	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1501	}	2301	}
1502		2302
1503	sub do_load_sync {	2303	sub do_load_sync {
1504	my ($map) = @_;	2304	my ($map) = @_;
1505		2305
1506	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1507	}	2310	}
1508		2311
1509	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
1511		2314
1512	sub find_async {	2315	sub find_async {
1513	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1514		2317
1515	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1516		2319
1517	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2322	}
1520		2323
1521	undef $MAP_PREFETCH{$path};	2324	$MAP_PREFETCH{$path} |= $load;
		2325
1522	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
1523	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2331	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2332	$map->load if $v;
		2333	}
1528		2334
1529	delete $MAP_PREFETCH{$path};	2335	delete $MAP_PREFETCH{$k};
1530	}	2336	}
1531	}	2337	}
1532	undef $MAP_PREFETCHER;	2338	undef $MAP_PREFETCHER;
1533	};	2339	};
1534	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
1535		2341
1536	()	2342	()
1537	}	2343	}
1538		2344
		2345	# common code, used by both ->save and ->swapout
1539	sub save {	2346	sub _save {
1540	my ($self) = @_;	2347	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2348
1544	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1545		2350
1546	return unless $self->dirty;	2351	return unless $self->dirty;
1547		2352
…		…
1553	return if $self->{deny_save};	2358	return if $self->{deny_save};
1554		2359
1555	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1556		2361
1557	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1559	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1560		2368
1561	if ($uniq) {	2369	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2372	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2374	}
1567	}	2375	}
1568		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1569	sub swap_out {	2385	sub swap_out {
1570	my ($self) = @_;	2386	my ($self) = @_;
1571		2387
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1577	return if $self->players;	2392	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1581	$self->clear;	2403	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2404	}
1584		2405
1585	sub reset_at {	2406	sub reset_at {
1586	my ($self) = @_;	2407	my ($self) = @_;
1587		2408
1588	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1591		2411
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2414
…		…
1605	my ($self) = @_;	2425	my ($self) = @_;
1606		2426
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2428
1609	return if $self->players;	2429	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2430
1612	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
1613		2432
1614	$self->in_memory (cf::MAP_SWAPPED);	2433	$self->in_memory (cf::MAP_SWAPPED);
1615		2434
1616	# need to save uniques path	2435	# need to save uniques path
1617	unless ($self->{deny_save}) {	2436	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2440	if $uniq;
1622	}	2441	}
1623		2442
1624	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1625		2444
		2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2447	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2448
1630	$self->unlink_save;	2449	$self->unlink_save;
1631	$self->destroy;	2450	$self->destroy;
1632	}	2451	}
1633		2452
1634	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1635		2454
1636	sub nuke {	2455	sub nuke {
1637	my ($self) = @_;	2456	my ($self) = @_;
1638		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
1639	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
1640		2462
1641	$self->unlink_save;	2463	$self->unlink_save;
1642		2464
1643	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2470
1649	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
1650		2473
1651	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
		2475	}
		2476
		2477	=item $maps = cf::map::tmp_maps
		2478
		2479	Returns an arrayref with all map paths of currently instantiated and saved
		2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
		2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
1652	}	2511	}
1653		2512
1654	=item cf::map::unique_maps	2513	=item cf::map::unique_maps
1655		2514
1656	Returns an arrayref of paths of all shared maps that have	2515	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2516	instantiated unique items. May block.
1658		2517
1659	=cut	2518	=cut
1660		2519
1661	sub unique_maps() {	2520	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2521	[
1663	or return;	2522	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2523	utf8::decode $_;
1669	next if /\.pst$/;	2524	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2526	? ()
1672	push @paths, cf::map::normalise $_;	2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2529	]
1674
1675	\@paths
1676	}	2530	}
1677		2531
1678	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
1679		2563
1680	=back	2564	=back
1681		2565
1682	=head3 cf::object	2566	=head3 cf::object
1683		2567
…		…
1687		2571
1688	=over 4	2572	=over 4
1689		2573
1690	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1691		2575
1692	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1693		2578
1694	=cut	2579	=cut
1695		2580
1696	sub inv_recursive_;	2581	sub inv_recursive_;
1697	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1700		2585
1701	sub inv_recursive {	2586	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1703	}	2588	}
1704		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
1705	package cf;	2618	package cf;
1706		2619
1707	=back	2620	=back
1708		2621
1709	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1718		2631
1719	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1720		2647
1721	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2649	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1726		2653
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2655
1729	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1731	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1734	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1735	}	2681	}
1736		2682
1737	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1738		2684
1739	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1752		2698
1753	=item $player_object->enter_link	2699	=item $player_object->enter_link
1754		2700
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2702
1757	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
1759		2707
1760	Will never block.	2708	Will never block.
1761		2709
1762	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1763		2711
…		…
1783	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2732	my ($self) = @_;
1785		2733
1786	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1787		2735
		2736	++$self->{_link_recursion};
		2737
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2739
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1792		2742
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2744	}
1795		2745
1796	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1798		2750
1799	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1800		2752
1801	unless ($map) {	2753	unless ($map) {
1802	# restore original map position	2754	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1815		2767
1816	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1819		2771
1820	$map->load;	2772	$map->load;
1821	$map->load_diag;	2773	$map->load_neighbours;
1822		2774
1823	return unless $self->contr->active;	2775	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2776
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2778	if ($self->enter_map ($map, $x, $y)) {
1828	}	2779	# entering was successful
1829		2780	delete $self->{_link_recursion};
1830	cf::player->attach (	2781	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2782	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2783	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2784
1844	# try to abort aborted map switching on player login :)	2785	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2786
1862	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
1864	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1865		2801
1866	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2813
1869	$self->enter_link;	2814	$self->enter_link;
1870		2815
1871	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
1872	my $map = eval {	2838	my $map = eval {
1873	my $map = cf::map::find $path;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
		2844	} else {
		2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
		2847
1875	$map	2848	$map
		2849	};
		2850
		2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2854	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1880	})->prio (1);	2862	})->prio (1);
1881	}	2863	}
1882		2864
1883	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1884		2866
…		…
1904	}	2886	}
1905		2887
1906	sub prepare_random_map {	2888	sub prepare_random_map {
1907	my ($exit) = @_;	2889	my ($exit) = @_;
1908		2890
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2893	# that depends on the exit object
1914		2894
1915	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2897	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1922	}	2904	}
1923		2905
1924	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1925		2907
1926	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
1929		2911
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2914	undef $fh;
1933	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
1934		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
1937	}	2923	}
1938	}	2924	}
1939		2925
1940	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
1942		2928
1943	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
1944		2930
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2931	$self->enter_link;
1955		2932
1956	(async {	2933	(async {
1957	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
1958	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
1959	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
1960		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
1961	1;	2957	1
1962	}) {	2958	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2963
1968	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2965	$self->leave_link;
1970	}	2966	}
1971	})->prio (1);	2967	})->prio (1);
1972	}	2968	}
1973		2969
…		…
1987		2983
1988	utf8::encode $text;	2984	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2986	}
1991		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
		3208	}
1992		3209
1993	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1994		3211
1995	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3215
1999	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3217	become reliable at some point in the future.
2001		3218
2002	=cut	3219	=cut
2003		3220
2004	sub cf::client::query {	3221	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3230	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3232
2016	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2018	}	3237	}
2019		3238
2020	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2021	on_reply => sub {	3245	on_reply => sub {
2022	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2023		3247
2024	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2025	# get handled first	3249	# get handled first
…		…
2037	} else {	3261	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3263	}
2040	}	3264	}
2041	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2042	);	3292	);
2043		3293
2044	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2045		3295
2046	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3312
2063	$coro	3313	$coro
2064	}	3314	}
2065		3315
2066	cf::client->attach (	3316	cf::client->attach (
2067	on_destroy => sub {	3317	on_client_destroy => sub {
2068	my ($ns) = @_;	3318	my ($ns) = @_;
2069		3319
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3321	},
2072	);	3322	);
…		…
2087	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2089		3339
2090	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2091		3341
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2093		3347
2094	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2095		3349
2096	=pod	3350	=pod
2097		3351
2098	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2099		3353
2100	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2101	cf::object::player player	3359	cf::object::player
2102	cf::player peaceful	3360	player
2103	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2104		3367
2105	=cut	3368	=cut
2106		3369
2107	for (	3370	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2112	) {	3377	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3380	for @funs;
2117	}	3381	}
2118		3382
…		…
2133		3397
2134	my $qcode = $code;	3398	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2137		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2138	local $_;	3405	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3406
2141	my $eval =	3407	my $eval =
2142	"do {\n"	3408	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3411	. $code
2146	. "\n}"	3412	. "\n}"
2147	;	3413	;
2148		3414
		3415	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2152		3424
2153	if ($@) {	3425	if ($@) {
2154	warn "$@";	3426	warn "$@",
2155	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2157	}	3429	}
2158		3430
2159	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2160	}	3432	}
2161		3433
…		…
2175	=cut	3447	=cut
2176		3448
2177	sub register_script_function {	3449	sub register_script_function {
2178	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2179		3451
2180	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2182	}	3454	}
2183		3455
2184	=back	3456	=back
2185		3457
2186	=cut	3458	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3459
2260	#############################################################################	3460	#############################################################################
2261	# the server's init and main functions	3461	# the server's init and main functions
2262		3462
2263	sub load_faces {	3463	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3464	my ($path) = @_;
2265		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2266	warn "loading faces from $path\n";	3472	trace "loading facedata from $path\n";
2267		3473
2268	my $faces;	3474	my $facedata = decode_storable load_file $path;
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3475
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3476	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
		3488	{
		3489	my $faces = $facedata->{faceinfo};
		3490
2280	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3493
		3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286		3499
		3500	cf::cede_to_tick;
		3501	}
		3502
2287	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2289	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
		3507	or next;
		3508
		3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
		3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
		3550	1
		3551	}
		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
2290	or next;	3607	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
2300	}	3618	}
2301		3619
2302	sub reload_resources {	3620	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3621	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3622
		3623	reload_exp_table;
		3624	reload_materials;
2305	load_faces	3625	reload_facedata;
2306	or die "unable to load faces\n";#d#	3626	reload_sound;
2307	}	3627	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3628	reload_regions;
2311	}	3629	reload_treasures;
2312		3630
2313	sub cfg_load {	3631	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3632	}
2315	or return;
2316		3633
2317	local $/;	3634	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3635	trace "reloading config file...\n";
2319		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3642
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3645
2325	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2329	};	3650	};
2330	warn $@ if $@;	3651	warn $@ if $@;
2331	}	3652	}
2332	}	3653	}
2333		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2334	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2335	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3696	(async {
2339	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2341	};	3700	};
2342		3701
2343	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2344	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2345	load_extensions;	3725	load_extensions;
2346		3726
2347	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2349	}	3745	}
2350		3746
2351	#############################################################################	3747	#############################################################################
2352	# initialisation and cleanup	3748	# initialisation and cleanup
2353		3749
2354	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2355	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2364	},
2365	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2366	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2367	}	3846	}
2368		3847
2369	sub emergency_save() {	3848	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2371		3850
2372	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2373		3857
2374	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2375	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3869	$pl->save;
2383	}	3870	}
2384	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2385		3872
2386	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3878	$map->valid or next;
2390	$map->save;	3879	$map->save;
2391	}	3880	}
2392	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2393		3882
2394	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3911	};
2398		3912
2399	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2400	}	3914	}
2401		3915
2402	sub post_cleanup {	3916	sub post_cleanup {
2403	my ($make_core) = @_;	3917	my ($make_core) = @_;
2404		3918
		3919	IO::AIO::flush;
		3920
2405	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3922	if $make_core;
2407	}
2408		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
2409	sub reload() {	3953	sub do_reload_perl() {
2410	# can/must only be called in main	3954	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2412	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2413	return;	3957	return;
2414	}	3958	}
2415		3959
2416	warn "reloading...";	3960	return if $RELOAD++;
2417		3961
2418	warn "entering sync_job";	3962	my $t1 = AE::time;
2419		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2420	cf::sync_job {	3970	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3971	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3972
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3975	%EXT_CORO = ();
2449		3976
2450	warn "removing commands";	3977	trace "perl_reload: removing commands";
2451	%COMMAND = ();	3978	%COMMAND = ();
2452		3979
2453	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2455		3983
2456	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2459		3987
2460	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3989	eval {
2462	$cb->($pkg);	3990	$cb->($pkg);
2463	1	3991	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2465	}	3997	}
2466		3998
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		4002
2475	warn "... unloading $k";	4003	trace "... unloading $k";
2476	delete $INC{$k};	4004	delete $INC{$k};
2477		4005
2478	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2480		4008
2481	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2483	}	4014	}
2484		4015
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		4019
2492	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		4023
2495	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2496	# and global variables created in xs	4025	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2498		4027
2499	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2500		4029
2501	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2502	require cf;	4031	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2504		4033
2505	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	4035	cf::reload_config;
2507		4036
2508	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	4038	cf::load_extensions;
2510		4039
		4040	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2517		4048
2518	warn "loading reloadable resources";	4049	cf::_post_init 1;
2519	reload_resources;
2520		4050
2521	warn "leaving sync_job";	4051	trace "perl_reload: leaving sync_job";
2522		4052
2523	1	4053	1
2524	} or do {	4054	} or do {
2525	warn $@;	4055	error $@;
2526	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2528	};	4079	};
2529		4080	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4081
2535	register_command "reload" => sub {	4082	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2537		4084
2538	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2540		4087	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4089	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4090	};
2553	}	4091	}
2554	};	4092	};
2555		4093
2556	unshift @INC, $LIBDIR;	4094	#############################################################################
2557		4095
2558	my $bug_warning = 0;	4096	my $bug_warning = 0;
2559		4097
2560	$TICK_WATCHER = Event->timer (	4098	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4099	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4100
2563	prio => 0,	4101	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4103
2566	cb => sub {	4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
2567	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2570	return;	4121	return;
2571	}	4122	}
2572		4123
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4125
		4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4127
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4132	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4134	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4135	}
2599	);	4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
2600		4155
2601	{	4156	{
2602	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4158
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2612		4160	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4162
2628	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4170
2631	cf::sync_job {	4171	cf::sync_job {
2632	eval {	4172	eval {
2633	BDB::db_env_open	4173	BDB::db_env_open
2634	$DB_ENV,	4174	$DB_ENV,
2635	$BDB_ENV_DIR,	4175	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4178	0666;
2639		4179
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4181	};
2645		4182
2646	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4184	};
2648	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2649	}	4196	}
2650		4197
2651	{	4198	{
		4199	# configure IO::AIO
		4200
2652	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2665		4256
2666	END { cf::emergency_save }	4257	END { cf::emergency_save }
2667		4258
2668	1	4259	1
2669		4260

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