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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		142
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REALLY_UNLOOP; # never set to true, please :)
		155
87	binmode STDOUT;	156	binmode STDOUT;
88	binmode STDERR;	157	binmode STDERR;
89		158
90	# read virtual server time, if available	159	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
95	}	164	}
96		165
97	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	167
99	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		170
104	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
105		172
106	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::"} };
107		189
108	#############################################################################	190	#############################################################################
109		191
110	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
111		193
…		…
118	=item $cf::RUNTIME	200	=item $cf::RUNTIME
119		201
120	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
121	every server tick.	203	every server tick.
122		204
123	=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
124		208
125	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		213
128	=item $cf::NOW	214	=item $cf::NOW
129		215
130	The time of the last (current) server tick.	216	The time of the last (current) server tick.
131		217
132	=item $cf::TICK	218	=item $cf::TICK
133		219
134	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	232	=item %cf::CFG
137		233
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	235	from wherever your confdir points to.
140		236
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		238
143	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
144	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
145	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.
146	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.
147		259
148	=back	260	=back
149		261
150	=cut	262	=cut
151		263
152	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
153	*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 {
154	my $msg = join "", @_;	271	my $msg = join "", @_;
155	utf8::encode $msg;
156		272
157	$msg .= "\n"	273	$msg .= "\n"
158	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
159		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
160	LOG llevError, $msg;	278	LOG llevWarn, $msg;
161	};	279	};
162	}	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	};
163		294
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		302
171	# 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
172	# within the Safe compartment.	304	# within the Safe compartment.
173	for my $pkg (qw(	305	for my $pkg (qw(
174	cf::global cf::attachable	306	cf::global cf::attachable
175	cf::object cf::object::player	307	cf::object cf::object::player
176	cf::client cf::player	308	cf::client cf::player
177	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
178	cf::map cf::party cf::region	311	cf::party cf::region
179	)) {	312	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	314	}
183		315
184	$Event::DIED = sub {	316	$EV::DIED = sub {
185	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
186	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
187		326
188	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
189		328
190	=over 4	329	=over 4
191		330
…		…
210	$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;
211	$d	350	$d
212	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
213	}	352	}
214		353
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
216		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
217	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
218		369
219	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
220		371
221	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
222		373
223	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	445	=item cf::lock_wait $string
226		446
227	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
228		448
229	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
230		450
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
234	returned.	454	returned.
235		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
236	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
237	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
238		461
239	=cut	462	=item $locked = cf::lock_active $string
240		463
241	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;
242		469
243	sub lock_wait($) {	470	sub lock_wait($) {
244	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	472	}
252		473
253	sub lock_acquire($) {	474	sub lock_acquire($) {
254	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
255		477
256	# wait, to be sure we are not locked	478	sub lock_active($) {
257	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	480	}
266		481
267	sub freeze_mainloop {	482	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
269		484
270	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
271	$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	}
272	};	556	}
273	$TICK_WATCHER->stop;	557	};
274	$guard	558
		559	sub get_slot($;$$) {
		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;
275	}	572	}
276		573
277	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
278		575
279	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		581
285	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
286		583
287	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
288		585
289	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
290	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
291	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.
292		590
293	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
294	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
295	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
296	fast or be very important.	594	fast or be very important.
…		…
298	=cut	596	=cut
299		597
300	sub sync_job(&) {	598	sub sync_job(&) {
301	my ($job) = @_;	599	my ($job) = @_;
302		600
303	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
304	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
306		606
307	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	608
309	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
310		610
311	my $busy = 1;	611	my $busy = 1;
312	my @res;	612	my @res;
313		613
314	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	616	@res = eval { $job->() };
316	warn $@ if $@;	617	error $@ if $@;
317	undef $busy;	618	undef $busy;
318	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
319		620
320	while ($busy) {	621	while ($busy) {
321	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
322	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
323		632
324	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
325	} else {	634	} else {
326	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
327		636
…		…
347	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
348		657
349	$coro	658	$coro
350	}	659	}
351		660
352	sub write_runtime {	661	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		662
355	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.
356		667
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
358	or return;
359		669
360	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
362	# 60 allows for the watchdog to kill the server.	672	}
363		673
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
365	and return;	675	my ($cb, @args) = @_;
366		676
367	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
369	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
370		680
371	close $fh	681	my @res = Coro::Util::fork_eval {
372	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
373		685
374	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
375	and return;	687	}
376		688
		689	sub objinfo {
377	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"
378	}	853	}
379		854
380	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
381		856
382	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
383		858
384	=cut	859	=cut
385		860
386	sub datalog($@) {	861	sub datalog($@) {
387	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	864	}
390		865
391	=back	866	=back
392		867
393	=cut	868	=cut
394		869
395	#############################################################################	870	#############################################################################
396		871
397	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
398		873
399	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
400	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")
401	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
402		877
403	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>
404	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
405	crossfire+).	880	Deliantra).
406		881
407	=over 4	882	=over 4
408		883
409	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
410		885
…		…
454	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
455		930
456	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
457	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
458		933
459	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		936
462	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
463		938
464	=over 4	939	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
574		1049
575	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1054
580	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
582		1057
583	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
588		1063
589	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1066
592	} elsif (ref $type) {	1067	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
594		1069
595	} else {	1070	} else {
596	shift @arg;	1071	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
598	}	1073	}
599	}	1074	}
600	}	1075	}
601		1076
602	sub _object_attach {	1077	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
613	}	1088	}
614		1089
615	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
616	} else {	1091	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1093	}
619		1094
620	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
621	}	1096	}
622		1097
…		…
624	if (ref $_[0]) {	1099	if (ref $_[0]) {
625	_object_attach @_;	1100	_object_attach @_;
626	} else {	1101	} else {
627	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
628	}	1103	}
		1104	_recalc_want;
629	};	1105	};
630		1106
631	# all those should be optimised	1107	# all those should be optimised
632	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1113	reattach ($obj);
638	} else {	1114	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
640	}	1116	}
		1117	_recalc_want;
641	};	1118	};
642		1119
643	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
645		1122
…		…
660	";	1137	";
661	die if $@;	1138	die if $@;
662	}	1139	}
663		1140
664	our $override;	1141	our $override;
665	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?
666		1143
667	sub override {	1144	sub override {
668	$override = 1;	1145	$override = 1;
669	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
670	}	1147	}
671		1148
672	sub do_invoke {	1149	sub do_invoke {
673	my $event = shift;	1150	my $event = shift;
674	my $callbacks = shift;	1151	my $callbacks = shift;
675		1152
676	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
677		1154
678	local $override;	1155	local $override;
679		1156
680	for (@$callbacks) {	1157	for (@$callbacks) {
681	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
682		1159
683	if ($@) {	1160	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1162	override;
687	}	1163	}
688		1164
689	return 1 if $override;	1165	return 1 if $override;
690	}	1166	}
691		1167
692	0	1168	0
693	}	1169	}
694		1170
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1172
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1174
699	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
700		1176
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1180
705	=back	1181	=back
706		1182
707	=cut	1183	=cut
708		1184
709	#############################################################################	1185	#############################################################################
710	# 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	}
711		1229
712	sub reattach {	1230	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1232	my ($obj) = @_;
715		1233
		1234	# no longer needed after getting rid of delete_package?
716	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
717		1236
718	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
719		1238
720	@$registry = ();	1239	@$registry = ();
721		1240
…		…
726	for (@$attach) {	1245	for (@$attach) {
727	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
729	}	1248	}
730	} else {	1249	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1251	}
733	}	1252	}
734	}	1253	}
735		1254
736	cf::attachable->attach (	1255	cf::attachable->attach (
737	prio => -1000000,	1256	prio => -1000000,
738	on_instantiate => sub {	1257	on_instantiate => sub {
739	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
740		1259
741	$data = from_json $data;	1260	$data = decode_json $data;
742		1261
743	for (@$data) {	1262	for (@$data) {
744	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
745		1264
746	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1281	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
764		1283
765	sync_job {	1284	sync_job {
766	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
769		1290
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1298	aio_close $fh;
775		1299
776	if (@$objs) {	1300	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1309	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
784	}	1311	}
785	} else {	1312	} else {
786	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
787	}	1314	}
788		1315
789	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1320	} else {
791	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
792	}	1322	}
793	} else {	1323	} else {
794	aio_unlink $filename;	1324	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
796	}	1326	}
797	}	1327	};
798	}	1328	}
799		1329
800	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
802		1332
…		…
814	or return;	1344	or return;
815		1345
816	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
818	or return;	1348	or return;
		1349
819	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
820	}	1352	}
821		1353
		1354	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
824	return ($data, $av);	1359	($data, $av)
825	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
826		1367
827	#############################################################################	1368	#############################################################################
828	# command handling &c	1369	# command handling &c
829		1370
830	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1385	}
845		1386
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1388
848	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.
849		1394
850	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
851	called.	1396	called.
852		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
853	=cut	1409	=cut
854		1410
855	sub register_extcmd {	1411	sub register_extcmd {
856	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
857		1413
858	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
859	}	1415	}
860		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
861	cf::player->attach (	1425	cf::player->attach (
862	on_command => sub {	1426	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
864		1428
865	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
866	or return;	1430	or return;
867		1431
…		…
872	cf::override;	1436	cf::override;
873	},	1437	},
874	on_extcmd => sub {	1438	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
876		1440
877	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1442
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
885	} else {	1458	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1460	}
888		1461
889	cf::override;	1462	cf::override;
890	},	1463	},
891	);	1464	);
892		1465
		1466	# "readahead" all extensions
893	sub load_extension {	1467	sub cache_extensions {
894	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
895		1469
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1473	}
921	die $@;
922	}	1474	};
923		1475
924	push @EXTS, $pkg;	1476	$grp
925	}	1477	}
926		1478
927	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
928	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1486	next unless -r $path;
930	eval {	1487
931	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	}
932	1	1551	}
933	} 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	}
934	}	1564	};
935	}	1565	}
936		1566
937	#############################################################################	1567	#############################################################################
938		1568
		1569	=back
		1570
939	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
940		1572
941	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
942		1574
943	=cut	1575	=cut
944		1576
945	package cf::player;	1577	package cf::player;
946		1578
…		…
948		1580
949	=head3 cf::player	1581	=head3 cf::player
950		1582
951	=over 4	1583	=over 4
952		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
953	=item cf::player::find $login	1599	=item cf::player::find $login
954		1600
955	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
956		1602
957	=cut	1603	=cut
958		1604
959	sub playerdir($) {	1605	sub playerdir($) {
960	cf::localdir	1606	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1608	}
966		1609
967	sub path($) {	1610	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1621
979	sub exists($) {	1622	sub exists($) {
980	my ($login) = @_;	1623	my ($login) = @_;
981		1624
982	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
984	}	1627	}
985		1628
986	sub find($) {	1629	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1631	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
999		1642
1000	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1003	}	1652	}
1004	}	1653	}
1005	}	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	);
1006		1668
1007	sub save($) {	1669	sub save($) {
1008	my ($pl) = @_;	1670	my ($pl) = @_;
1009		1671
1010	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1016		1678
1017	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1021	Coro::cede;	1688	cf::cede_to_tick;
1022	}	1689	}
1023		1690
1024	sub new($) {	1691	sub new($) {
1025	my ($login) = @_;	1692	my ($login) = @_;
1026		1693
…		…
1032	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1033		1700
1034	$self	1701	$self
1035	}	1702	}
1036		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
1037	=item $pl->quit_character	1714	=item $pl->quit_character
1038		1715
1039	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
1040	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1041		1718
…		…
1045	my ($pl) = @_;	1722	my ($pl) = @_;
1046		1723
1047	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1048		1725
1049	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1050	$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
1051		1728
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1055	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1056		1737
1057	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1089		1770
1090	=cut	1771	=cut
1091		1772
1092	sub list_logins {	1773	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1775	or return [];
1095		1776
1096	my @logins;	1777	my @logins;
1097		1778
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1102		1789
1103	utf8::decode $login;	1790	utf8::decode $login;
1104	push @logins, $login;	1791	push @logins, $login;
1105	}	1792	}
1106		1793
1107	\@logins	1794	\@logins
1108	}	1795	}
1109		1796
1110	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1111		1800
1112	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1113	player. May block.	1802	player. May block.
1114		1803
1115	=cut	1804	=cut
…		…
1133	}	1822	}
1134		1823
1135	\@paths	1824	\@paths
1136	}	1825	}
1137		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1138	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1139		1832
1140	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1141		1834
1142	=cut	1835	=cut
1143		1836
1144	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1146		1839
1147	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1841	}
1151		1842
1152	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1153		1844
1154	Sends an ext event to the client.	1845	Sends an ext event to the client.
1155		1846
1156	=cut	1847	=cut
1157		1848
1158	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1160		1851
1161	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1162	}	1853	}
1163		1854
1164	=head3 cf::region	1855	=head3 cf::region
1165		1856
1166	=over 4	1857	=over 4
…		…
1169		1860
1170	package cf::region;	1861	package cf::region;
1171		1862
1172	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1173		1864
1174	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1175		1866
1176	=cut	1867	=cut
1177		1868
1178	sub find_by_path($) {	1869	sub find_by_path($) {
1179	my ($path) = @_;	1870	my ($path) = @_;
1180		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1181	my ($match, $specificity);	1874	my ($match, $specificity);
1182		1875
1183	for my $region (list) {	1876	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1187	}	1880	}
1188	}	1881	}
1189		1882
…		…
1210	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1212		1905
1213	sub generate_random_map {	1906	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1216	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1912	}
1230		1913
1231	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1232		1915
1233	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
…		…
1238		1921
1239	sub register {	1922	sub register {
1240	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1924	my $pkg = caller;
1242		1925
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1927
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1929	}
1248		1930
1249	# also paths starting with '/'	1931	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1933
1252	sub thawer_merge {	1934	sub thawer_merge {
1253	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1254		1936
1255	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1256	local $self->{path};	1938	local $self->{path};
1257	local $self->{load_path};	1939	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1940
1261	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1262	}	1942	}
1263		1943
1264	sub normalise {	1944	sub normalise {
1265	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1266		1946
1267	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1268		1948
1269	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1270		1950
1271	# map plan:	1951	# map plan:
1272	#	1952	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1968	$path = "$base/$path";
1289	}	1969	}
1290		1970
1291	for ($path) {	1971	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1295	}	1974	}
1296		1975
1297	$path	1976	$path
…		…
1311	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1312	return $self;	1991	return $self;
1313	}	1992	}
1314	}	1993	}
1315		1994
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1996	()
1318	}	1997	}
1319		1998
		1999	# may re-bless or do other evil things
1320	sub init {	2000	sub init {
1321	my ($self) = @_;	2001	my ($self) = @_;
1322		2002
1323	$self	2003	$self
1324	}	2004	}
…		…
1336		2016
1337	# the original (read-only) location	2017	# the original (read-only) location
1338	sub load_path {	2018	sub load_path {
1339	my ($self) = @_;	2019	my ($self) = @_;
1340		2020
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1342	}	2022	}
1343		2023
1344	# the temporary/swap location	2024	# the temporary/swap location
1345	sub save_path {	2025	sub save_path {
1346	my ($self) = @_;	2026	my ($self) = @_;
1347		2027
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1350	}	2030	}
1351		2031
1352	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1353	sub uniq_path {	2033	sub uniq_path {
1354	my ($self) = @_;	2034	my ($self) = @_;
1355		2035
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1358	}	2038	}
1359		2039
1360	# and all this just because we cannot iterate over	2040	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2041	my ($self) = @_;
1364		2042
1365	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1367	}	2046	}
1368		2047
1369	sub unlink_save {	2048	sub unlink_save {
1370	my ($self) = @_;	2049	my ($self) = @_;
1371		2050
…		…
1376		2055
1377	sub load_header_from($) {	2056	sub load_header_from($) {
1378	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1379		2058
1380	utf8::encode $path;	2059	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2061	or return;
1386		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1387	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1388		2070
1389	1	2071	1
1390	}	2072	}
1391		2073
		2074	# used to laod the header of an original map
1392	sub load_header_orig {	2075	sub load_header_orig {
1393	my ($self) = @_;	2076	my ($self) = @_;
1394		2077
1395	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1396	}	2079	}
1397		2080
		2081	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2082	sub load_header_temp {
1399	my ($self) = @_;	2083	my ($self) = @_;
1400		2084
1401	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1402	}	2086	}
1403		2087
		2088	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2089	sub prepare_temp {
1405	my ($self) = @_;	2090	my ($self) = @_;
1406		2091
1407	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1409	# safety	2094	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2097	}
1413		2098
		2099	# called after loading the header from an original map
1414	sub prepare_orig {	2100	sub prepare_orig {
1415	my ($self) = @_;	2101	my ($self) = @_;
1416		2102
1417	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2115	$self->load_header_orig
1430	or return;	2116	or return;
1431	$self->prepare_orig;	2117	$self->prepare_orig;
1432	}	2118	}
1433		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1434	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2124	unless $self->default_region;
1436		2125
1437	1	2126	1
1438	}	2127	}
1439		2128
1440	sub find;	2129	sub find;
1441	sub find {	2130	sub find {
1442	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1443		2132
		2133	cf::cede_to_tick;
		2134
1444	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1445		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2139
1448	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1451	or return;	2142	or return;
1452		2143
1453	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1454		2145
1455	$map->load_header	2146	$map->load_header
1456	or return;	2147	or return;
1457		2148
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1461	$map->reset;	2154	$map->reset;
1462	undef $guard;
1463	return find $path;	2155	return find $path;
1464	}	2156	}
1465		2157
1466	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1467	}	2159	}
1468	}	2160	}
1469		2161
1470	sub pre_load { }	2162	sub pre_load { }
1471	sub post_load { }	2163	#sub post_load { } # XS
1472		2164
1473	sub load {	2165	sub load {
1474	my ($self) = @_;	2166	my ($self) = @_;
1475		2167
1476	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1477		2169
1478	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1480		2174
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2175	return unless $self->valid;
		2176	return unless $self->state == cf::MAP_SWAPPED;
1482		2177
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2178	$self->alloc;
1486		2179
1487	$self->pre_load;	2180	$self->pre_load;
		2181	cf::cede_to_tick;
1488		2182
1489	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1490	or return;	2187	or return;
1491		2188
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1493	if delete $self->{load_original};	2190	if delete $self->{load_original};
1494		2191
1495	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2193	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2196	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1500	}	2201	}
1501	}
1502		2202
1503	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
1504		2208
		2209	$self->state (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1505	# now do the right thing for maps	2212	# now do the right thing for maps
1506	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2215	unless $self->difficulty;
1516	Coro::cede;	2216	cf::cede_to_tick;
1517	$self->activate;	2217
		2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
		2223	#$self->activate; # no longer activate maps automatically
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1518	}	2228	}
1519		2229
1520	$self->post_load;	2230	$self->post_load;
1521		2231
1522	$self->in_memory (cf::MAP_IN_MEMORY);	2232	1
1523	}	2233	}
1524		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1525	sub customise_for {	2238	sub customise_for {
1526	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1527		2240
1528	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2242	if $self->per_player;
1530		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
1531	$self	2247	$self
1532	}	2248	}
1533		2249
1534	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2251	sub load_neighbours {
1536	my ($map) = @_;	2252	my ($map) = @_;
1537		2253
1538	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1539		2255
1540	for (0 .. 3) {	2256	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1542	or next;	2258	or next;
1543	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1544	or next;	2260	or next;
1545	$neigh->load;	2261	$neigh->load;
1546		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2267	}
1550		2268
1551	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1553	or next;	2272	or next;
1554	$neigh->load;	2273	$neigh->load;
1555	}	2274	}
1556	}	2275	}
1557		2276
1558	sub find_sync {	2277	sub find_sync {
1559	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1560		2279
1561	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1562	}	2285	}
1563		2286
1564	sub do_load_sync {	2287	sub do_load_sync {
1565	my ($map) = @_;	2288	my ($map) = @_;
1566		2289
1567	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1568	}	2295	}
1569		2296
1570	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1572		2299
1573	sub find_async {	2300	sub find_async {
1574	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1575		2302
1576	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1577		2304
1578	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1580	}	2307	}
1581		2308
1582	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1583	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1584	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2316	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2317	$map->load if $v;
		2318	}
1589		2319
1590	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1591	}	2321	}
1592	}	2322	}
1593	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1594	};	2324	};
1595	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1596		2326
1597	()	2327	()
1598	}	2328	}
1599		2329
		2330	# common code, used by both ->save and ->swapout
1600	sub save {	2331	sub _save {
1601	my ($self) = @_;	2332	my ($self) = @_;
1602
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1604		2333
1605	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1606		2335
1607	return unless $self->dirty;	2336	return unless $self->dirty;
1608		2337
…		…
1614	return if $self->{deny_save};	2343	return if $self->{deny_save};
1615		2344
1616	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1617		2346
1618	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1620	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1621		2353
1622	if ($uniq) {	2354	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2357	} else {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1627	}	2359	}
1628	}	2360	}
1629		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1630	sub swap_out {	2370	sub swap_out {
1631	my ($self) = @_;	2371	my ($self) = @_;
1632		2372
1633	# save first because save cedes
1634	$self->save;
1635
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1638	return if $self->players;	2377	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};
1641		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->state (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1642	$self->clear;	2388	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2389	}
1645		2390
1646	sub reset_at {	2391	sub reset_at {
1647	my ($self) = @_;	2392	my ($self) = @_;
1648		2393
1649	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1652		2396
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2399
…		…
1666	my ($self) = @_;	2410	my ($self) = @_;
1667		2411
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2413
1670	return if $self->players;	2414	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2415
1673	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1674		2417
1675	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->state (cf::MAP_SWAPPED);
1676		2419
1677	# need to save uniques path	2420	# need to save uniques path
1678	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
1679	my $uniq = $self->uniq_path; utf8::encode $uniq;	2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
1680		2423
…		…
1682	if $uniq;	2425	if $uniq;
1683	}	2426	}
1684		2427
1685	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1686		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2432	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2433
1691	$self->unlink_save;	2434	$self->unlink_save;
1692	$self->destroy;	2435	$self->destroy;
1693	}	2436	}
1694		2437
1695	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1696		2439
1697	sub nuke {	2440	sub nuke {
1698	my ($self) = @_;	2441	my ($self) = @_;
1699		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1700	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1701		2447
1702	$self->unlink_save;	2448	$self->unlink_save;
1703		2449
1704	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1705	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2455
1710	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1711		2458
1712	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1713	}	2496	}
1714		2497
1715	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1716		2499
1717	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2501	instantiated unique items. May block.
1719		2502
1720	=cut	2503	=cut
1721		2504
1722	sub unique_maps() {	2505	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1724	or return;	2507	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2508	utf8::decode $_;
1730	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2511	? ()
1733	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2514	]
1735
1736	\@paths
1737	}	2515	}
1738		2516
1739	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1740		2548
1741	=back	2549	=back
1742		2550
1743	=head3 cf::object	2551	=head3 cf::object
1744		2552
…		…
1748		2556
1749	=over 4	2557	=over 4
1750		2558
1751	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1752		2560
1753	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1754		2563
1755	=cut	2564	=cut
1756		2565
1757	sub inv_recursive_;	2566	sub inv_recursive_;
1758	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1761		2570
1762	sub inv_recursive {	2571	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1764	}	2573	}
1765		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1766	package cf;	2603	package cf;
1767		2604
1768	=back	2605	=back
1769		2606
1770	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1776	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1777	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1778	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1779		2616
1780	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1781		2632
1782	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2634	# with dialog boxes.
1784	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1785	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1787		2638
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2640
1790	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1792	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1795	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1796	}	2666	}
1797		2667
1798	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1799		2669
1800	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1813		2683
1814	=item $player_object->enter_link	2684	=item $player_object->enter_link
1815		2685
1816	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1817		2687
1818	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1819	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1820		2692
1821	Will never block.	2693	Will never block.
1822		2694
1823	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1824		2696
…		…
1844	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1845	my ($self) = @_;	2717	my ($self) = @_;
1846		2718
1847	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1848		2720
		2721	++$self->{_link_recursion};
		2722
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2724
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1853		2727
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1855	}	2729	}
1856		2730
1857	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1859		2735
1860	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1861		2737
1862	unless ($map) {	2738	unless ($map) {
1863	# restore original map position	2739	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1876		2752
1877	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1880		2756
1881	$map->load;	2757	$map->load;
1882	$map->load_diag;	2758	$map->load_neighbours;
1883		2759
1884	return unless $self->contr->active;	2760	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2761
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1889	}	2764	# entering was successful
1890		2765	delete $self->{_link_recursion};
1891	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2767	$self->activate_recursive;
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},	2768	}
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2769
1905	# try to abort aborted map switching on player login :)	2770	}
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2771
1923	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1924		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1925	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1926		2786
1927	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2798
1930	$self->enter_link;	2799	$self->enter_link;
1931		2800
1932	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1933	my $map = eval {	2823	my $map = eval {
1934	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1936	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2839	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1941	})->prio (1);	2847	})->prio (1);
1942	}	2848	}
1943		2849
1944	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1945		2851
…		…
1965	}	2871	}
1966		2872
1967	sub prepare_random_map {	2873	sub prepare_random_map {
1968	my ($exit) = @_;	2874	my ($exit) = @_;
1969		2875
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2878	# that depends on the exit object
1975		2879
1976	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2882	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1983	}	2889	}
1984		2890
1985	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1986		2892
1987	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1990		2896
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2899	undef $fh;
1994	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1995		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1998	}	2908	}
1999	}	2909	}
2000		2910
2001	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2003		2913
2004	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2005		2915
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2916	$self->enter_link;
2018		2917
2019	(async {	2918	(async {
2020	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2021	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2022	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2023		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
2024	1;	2957	1
2025	}) {	2958	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "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. "
2028	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2030		2963
2031	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2032	$self->leave_link;	2965	$self->leave_link;
2033	}	2966	}
2034	})->prio (1);	2967	})->prio (1);
2035	}	2968	}
2036		2969
…		…
2050		2983
2051	utf8::encode $text;	2984	utf8::encode $text;
2052	$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);
2053	}	2986	}
2054		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
2055	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2056		3176
2057	Sends an exti event to the client.	3177	Sends an ext event to the client.
2058		3178
2059	=cut	3179	=cut
2060		3180
2061	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2063		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		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	}
2066	}	3208	}
2067		3209
2068	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2069		3211
2070	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2071	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>,
2072	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>.
2073		3215
2074	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
2075	reliable at some point in the future.	3217	become reliable at some point in the future.
2076		3218
2077	=cut	3219	=cut
2078		3220
2079	sub cf::client::query {	3221	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3230	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3232
2091	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2093	}	3237	}
2094		3238
2095	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2096	on_reply => sub {	3245	on_reply => sub {
2097	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2098		3247
2099	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2100	# get handled first	3249	# get handled first
…		…
2112	} else {	3261	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3263	}
2115	}	3264	}
2116	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($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	},
2117	);	3292	);
2118		3293
2119	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2120		3295
2121	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3312
2138	$coro	3313	$coro
2139	}	3314	}
2140		3315
2141	cf::client->attach (	3316	cf::client->attach (
2142	on_destroy => sub {	3317	on_client_destroy => sub {
2143	my ($ns) = @_;	3318	my ($ns) = @_;
2144		3319
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3321	},
2147	);	3322	);
…		…
2162	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2164		3339
2165	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2166		3341
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2168		3347
2169	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2170		3349
2171	=pod	3350	=pod
2172		3351
2173	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2174		3353
2175	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2176	cf::object::player player	3359	cf::object::player
2177	cf::player peaceful	3360	player
2178	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2179		3367
2180	=cut	3368	=cut
2181		3369
2182	for (	3370	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2184	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2187	) {	3377	) {
2188	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2191	for @funs;	3380	for @funs;
2192	}	3381	}
2193		3382
…		…
2208		3397
2209	my $qcode = $code;	3398	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2212		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2213	local $_;	3405	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3406
2216	my $eval =	3407	my $eval =
2217	"do {\n"	3408	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3411	. $code
2221	. "\n}"	3412	. "\n}"
2222	;	3413	;
2223		3414
		3415	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2227		3424
2228	if ($@) {	3425	if ($@) {
2229	warn "$@";	3426	warn "$@",
2230	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2231	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2232	}	3429	}
2233		3430
2234	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2235	}	3432	}
2236		3433
…		…
2250	=cut	3447	=cut
2251		3448
2252	sub register_script_function {	3449	sub register_script_function {
2253	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2254		3451
2255	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2257	}	3454	}
2258		3455
2259	=back	3456	=back
2260		3457
2261	=cut	3458	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3459
2335	#############################################################################	3460	#############################################################################
2336	# the server's init and main functions	3461	# the server's init and main functions
2337		3462
2338	sub load_facedata {	3463	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3464	my ($path) = @_;
2340		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
2341	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2342		3473
2343	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2344	0 < aio_load $path, $facedata
2345	or die "$path: $!";
2346
2347	$facedata = Coro::Storable::thaw $facedata;
2348		3475
2349	$facedata->{version} == 2	3476	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		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
2352	{	3488	{
2353	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2354		3490
2355	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2361	}	3501	}
2362		3502
2363	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2365	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2366	or next;	3507	or next;
		3508
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3512	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3514	}
2372	Coro::cede;	3515
		3516	cf::cede_to_tick;
2373	}	3517	}
2374	}	3518	}
2375		3519
2376	{	3520	{
2377	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2378		3522
2379	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3525	cf::cede_to_tick;
2382	}	3526	}
2383		3527
2384	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2385	}	3529	}
2386		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} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2387	1	3550	1
2388	}	3551	}
2389		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($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 = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2390	sub reload_resources {	3620	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3621	trace "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3622
		3623	reload_exp_table;
		3624	reload_materials;
2393	load_facedata	3625	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3626	reload_sound;
2395	}	3627	reload_archetypes;
2396
2397	sub init {
2398	reload_resources;	3628	reload_regions;
2399	}	3629	reload_treasures;
2400		3630
2401	sub cfg_load {	3631	trace "finished reloading resource files\n";
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3632	}
2403	or return;
2404		3633
2405	local $/;	3634	sub reload_config {
2406	*CFG = YAML::Syck::Load <$fh>;	3635	trace "reloading config file...\n";
2407		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2409		3642
2410	$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};
2411	$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};
2412		3645
2413	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2417	};	3650	};
2418	warn $@ if $@;	3651	warn $@ if $@;
2419	}	3652	}
2420	}	3653	}
2421		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
2422	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
2423	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2425	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#
2426	(async {	3696	(async {
2427	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2429	};	3700	};
2430		3701
2431	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;
2432	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
2433	load_extensions;	3725	load_extensions;
2434		3726
2435	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2436	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;
2437	}	3745	}
2438		3746
2439	#############################################################################	3747	#############################################################################
2440	# initialisation and cleanup	3748	# initialisation and cleanup
2441		3749
2442	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2443	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2452	},
2453	);	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
2454	}	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 };
2455	}	3846	}
2456		3847
2457	sub emergency_save() {	3848	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2459		3850
2460	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;
2461		3857
2462	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2463	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3869	$pl->save;
2471	}	3870	}
2472	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2473		3872
2474	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";
2475	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3878	$map->valid or next;
2478	$map->save;	3879	$map->save;
2479	}	3880	}
2480	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2481		3882
2482	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";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2484	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 $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2485	};	3911	};
2486		3912
2487	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2488	}	3914	}
2489		3915
2490	sub post_cleanup {	3916	sub post_cleanup {
2491	my ($make_core) = @_;	3917	my ($make_core) = @_;
2492		3918
		3919	IO::AIO::flush;
		3920
2493	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3922	if $make_core;
2495	}
2496		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
2497	sub reload() {	3953	sub do_reload_perl() {
2498	# can/must only be called in main	3954	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2500	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2501	return;	3957	return;
2502	}	3958	}
2503		3959
2504	warn "reloading...";	3960	return if $RELOAD++;
2505		3961
2506	warn "entering sync_job";	3962	my $t1 = AE::time;
2507		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
2508	cf::sync_job {	3970	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark
2510	cf::emergency_save;	3971	#cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark
2512		3972
2513	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;
2515
2516	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();	3975	%EXT_CORO = ();
2537		3976
2538	warn "removing commands";	3977	trace "perl_reload: removing commands";
2539	%COMMAND = ();	3978	%COMMAND = ();
2540		3979
2541	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2542	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2543		3983
2544	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2547		3987
2548	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2549	eval {	3989	eval {
2550	$cb->($pkg);	3990	$cb->($pkg);
2551	1	3991	1
2552	} 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;
2553	}	3997	}
2554		3998
2555	warn "... nuking $pkg";
2556	Symbol::delete_package $pkg;
2557	}
2558
2559	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2560	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		4002
2563	warn "... unloading $k";	4003	trace "... unloading $k";
2564	delete $INC{$k};	4004	delete $INC{$k};
2565		4005
2566	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2568		4008
2569	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2570	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2571	}	4014	}
2572		4015
2573	Symbol::delete_package $k;
2574	}
2575
2576	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2578	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);
2579		4019
2580	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		4023
2583	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2584	# and global variables created in xs	4025	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2586		4027
2587	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2588		4029
2589	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2590	require cf;	4031	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2592		4033
2593	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2594	cf::cfg_load;	4035	cf::reload_config;
2595		4036
2596	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2597	cf::load_extensions;	4038	cf::load_extensions;
2598		4039
		4040	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2602	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2605		4048
2606	warn "loading reloadable resources";	4049	cf::_post_init 1;
2607	reload_resources;
2608		4050
2609	warn "leaving sync_job";	4051	trace "perl_reload: leaving sync_job";
2610		4052
2611	1	4053	1
2612	} or do {	4054	} or do {
2613	warn $@;	4055	error $@;
2614	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2615	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	};
2616	};	4079	};
2617		4080	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		4081
2623	register_command "reload" => sub {	4082	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2625		4084
2626	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2628		4087	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	4089	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	4090	};
2641	}	4091	}
2642	};	4092	};
2643		4093
2644	unshift @INC, $LIBDIR;	4094	#############################################################################
2645		4095
2646	my $bug_warning = 0;	4096	my $bug_warning = 0;
2647		4097
2648	$TICK_WATCHER = Event->timer (	4098	our @WAIT_FOR_TICK;
2649	reentrant => 0,	4099	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	4100
2651	prio => 0,	4101	sub wait_for_tick() {
2652	at => $NEXT_TICK || $TICK,	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2653	data => WF_AUTOCANCEL,	4103
2654	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 {
2655	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2656	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"
2657	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2658	return;	4121	return;
2659	}	4122	}
2660		4123
2661	$NOW = Event::time;
2662
2663	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		4125
		4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4127
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	4132	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2672	};
2673	}	4134	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	4135	}
2687	);	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	}
2688		4155
2689	{	4156	{
2690	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	4158
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2700		4160	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		4162
2716	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2717	$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);
2718		4170
2719	cf::sync_job {	4171	cf::sync_job {
2720	eval {	4172	eval {
2721	BDB::db_env_open	4173	BDB::db_env_open
2722	$DB_ENV,	4174	$DB_ENV,
2723	$BDB_ENV_DIR,	4175	$BDBDIR,
2724	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
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4178	0666;
2727		4179
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4181	};
2733		4182
2734	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4184	};
2736	}	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	};
2737	}	4196	}
2738		4197
2739	{	4198	{
		4199	# configure IO::AIO
		4200
2740	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	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;
2753		4256
2754	END { cf::emergency_save }	4257	END { cf::emergency_save }
2755		4258
2756	1	4259	1
2757		4260

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