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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 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	package cf;	1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1165		1885
1166	=back	1886	=back
1167
1168		1887
1169	=head3 cf::map	1888	=head3 cf::map
1170		1889
1171	=over 4	1890	=over 4
1172		1891
…		…
1184	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1186		1905
1187	sub generate_random_map {	1906	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1189	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1190	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1194	$rmp->{exit_on_final_map},
1195	$rmp->{xsize}, $rmp->{ysize},
1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1201	(cf::region::find $rmp->{region}), $rmp->{custom}
1202	)
1203	}	1912	}
1204		1913
1205	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1206		1915
1207	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
…		…
1212		1921
1213	sub register {	1922	sub register {
1214	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1215	my $pkg = caller;	1924	my $pkg = caller;
1216		1925
1217	no strict;
1218	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1219		1927
1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221	}	1929	}
1222		1930
1223	# also paths starting with '/'	1931	# also paths starting with '/'
1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1225		1933
1226	sub thawer_merge {	1934	sub thawer_merge {
1227	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1228		1936
1229	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1230	local $self->{path};	1938	local $self->{path};
1231	local $self->{load_path};	1939	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1940
1235	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1236	}	1942	}
1237		1943
1238	sub normalise {	1944	sub normalise {
1239	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1240		1946
1241	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1242		1948
1243	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1244		1950
1245	# map plan:	1951	# map plan:
1246	#	1952	#
…		…
1261	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1262	$path = "$base/$path";	1968	$path = "$base/$path";
1263	}	1969	}
1264		1970
1265	for ($path) {	1971	for ($path) {
1266	redo if s{//}{/};
1267	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1268	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1269	}	1974	}
1270		1975
1271	$path	1976	$path
…		…
1285	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1286	return $self;	1991	return $self;
1287	}	1992	}
1288	}	1993	}
1289		1994
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1291	()	1996	()
1292	}	1997	}
1293		1998
		1999	# may re-bless or do other evil things
1294	sub init {	2000	sub init {
1295	my ($self) = @_;	2001	my ($self) = @_;
1296		2002
1297	$self	2003	$self
1298	}	2004	}
…		…
1310		2016
1311	# the original (read-only) location	2017	# the original (read-only) location
1312	sub load_path {	2018	sub load_path {
1313	my ($self) = @_;	2019	my ($self) = @_;
1314		2020
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1316	}	2022	}
1317		2023
1318	# the temporary/swap location	2024	# the temporary/swap location
1319	sub save_path {	2025	sub save_path {
1320	my ($self) = @_;	2026	my ($self) = @_;
1321		2027
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1324	}	2030	}
1325		2031
1326	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1327	sub uniq_path {	2033	sub uniq_path {
1328	my ($self) = @_;	2034	my ($self) = @_;
1329		2035
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1332	}	2038	}
1333		2039
1334	# and all this just because we cannot iterate over	2040	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	2041	my ($self) = @_;
1338		2042
1339	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1341	}	2046	}
1342		2047
1343	sub unlink_save {	2048	sub unlink_save {
1344	my ($self) = @_;	2049	my ($self) = @_;
1345		2050
…		…
1350		2055
1351	sub load_header_from($) {	2056	sub load_header_from($) {
1352	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1353		2058
1354	utf8::encode $path;	2059	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	2061	or return;
1360		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1361	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1362		2070
1363	1	2071	1
1364	}	2072	}
1365		2073
		2074	# used to laod the header of an original map
1366	sub load_header_orig {	2075	sub load_header_orig {
1367	my ($self) = @_;	2076	my ($self) = @_;
1368		2077
1369	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1370	}	2079	}
1371		2080
		2081	# used to laod the header of an instantiated map
1372	sub load_header_temp {	2082	sub load_header_temp {
1373	my ($self) = @_;	2083	my ($self) = @_;
1374		2084
1375	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1376	}	2086	}
1377		2087
		2088	# called after loading the header from an instantiated map
1378	sub prepare_temp {	2089	sub prepare_temp {
1379	my ($self) = @_;	2090	my ($self) = @_;
1380		2091
1381	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1382	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1383	# safety	2094	# safety
1384	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1385	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1386	}	2097	}
1387		2098
		2099	# called after loading the header from an original map
1388	sub prepare_orig {	2100	sub prepare_orig {
1389	my ($self) = @_;	2101	my ($self) = @_;
1390		2102
1391	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1392	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1403	$self->load_header_orig	2115	$self->load_header_orig
1404	or return;	2116	or return;
1405	$self->prepare_orig;	2117	$self->prepare_orig;
1406	}	2118	}
1407		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
		2123	$self->default_region (cf::region::find_by_path $self->{path})
		2124	unless $self->default_region;
		2125
1408	1	2126	1
1409	}	2127	}
1410		2128
1411	sub find;	2129	sub find;
1412	sub find {	2130	sub find {
1413	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1414		2132
		2133	cf::cede_to_tick;
		2134
1415	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1416		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1418		2139
1419	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1422	or return;	2142	or return;
1423		2143
1424	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1425		2145
1426	$map->load_header	2146	$map->load_header
1427	or return;	2147	or return;
1428		2148
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1432	$map->reset;	2154	$map->reset;
1433	undef $guard;
1434	return find $path;	2155	return find $path;
1435	}	2156	}
1436		2157
1437	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1438	}	2159	}
1439	}	2160	}
1440		2161
1441	sub pre_load { }	2162	sub pre_load { }
1442	sub post_load { }	2163	#sub post_load { } # XS
1443		2164
1444	sub load {	2165	sub load {
1445	my ($self) = @_;	2166	my ($self) = @_;
1446		2167
1447	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1448		2169
1449	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1451		2174
		2175	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2177
1454	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1455		2179
1456	$self->alloc;	2180	$self->alloc;
1457		2181
1458	$self->pre_load;	2182	$self->pre_load;
		2183	cf::cede_to_tick;
1459		2184
1460	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1461	or return;	2189	or return;
1462		2190
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1464	if delete $self->{load_original};	2192	if delete $self->{load_original};
1465		2193
1466	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2195	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2198	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1471	}	2203	}
1472	}
1473		2204
1474	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1475		2210
		2211	cf::cede_to_tick;
1476	# now do the right thing for maps	2212	# now do the right thing for maps
1477	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2215	unless $self->difficulty;
1487	Coro::cede;	2216	cf::cede_to_tick;
		2217
		2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
1488	$self->activate;	2223	$self->activate;
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
		2229	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2230	}
1490		2231
1491	$self->post_load;	2232	$self->post_load;
1492		2233
1493	$self->in_memory (cf::MAP_IN_MEMORY);	2234	1
1494	}	2235	}
1495		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1496	sub customise_for {	2240	sub customise_for {
1497	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1498		2242
1499	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2244	if $self->per_player;
1501		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
1502	$self	2249	$self
1503	}	2250	}
1504		2251
1505	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2253	sub load_neighbours {
1507	my ($map) = @_;	2254	my ($map) = @_;
1508		2255
1509	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1510		2257
1511	for (0 .. 3) {	2258	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1513	or next;	2260	or next;
1514	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1515	or next;	2262	or next;
1516	$neigh->load;	2263	$neigh->load;
1517		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2269	}
1521		2270
1522	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1524	or next;	2274	or next;
1525	$neigh->load;	2275	$neigh->load;
1526	}	2276	}
1527	}	2277	}
1528		2278
1529	sub find_sync {	2279	sub find_sync {
1530	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1531		2281
1532	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1533	}	2286	}
1534		2287
1535	sub do_load_sync {	2288	sub do_load_sync {
1536	my ($map) = @_;	2289	my ($map) = @_;
1537		2290
1538	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1539	}	2295	}
1540		2296
1541	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1543		2299
1544	sub find_async {	2300	sub find_async {
1545	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1546		2302
1547	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1548		2304
1549	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2307	}
1552		2308
1553	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1554	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1555	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2316	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2317	$map->load if $v;
		2318	}
1560		2319
1561	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1562	}	2321	}
1563	}	2322	}
1564	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1565	};	2324	};
1566	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1567		2326
1568	()	2327	()
1569	}	2328	}
1570		2329
		2330	# common code, used by both ->save and ->swapout
1571	sub save {	2331	sub _save {
1572	my ($self) = @_;	2332	my ($self) = @_;
1573
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1575		2333
1576	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1577		2335
1578	return unless $self->dirty;	2336	return unless $self->dirty;
1579		2337
…		…
1585	return if $self->{deny_save};	2343	return if $self->{deny_save};
1586		2344
1587	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1588		2346
1589	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1591	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1592		2353
1593	if ($uniq) {	2354	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2357	} else {
1597	$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);
1598	}	2359	}
1599	}	2360	}
1600		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1601	sub swap_out {	2370	sub swap_out {
1602	my ($self) = @_;	2371	my ($self) = @_;
1603		2372
1604	# save first because save cedes
1605	$self->save;
1606
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1609	return if $self->players;	2377	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};
1612		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->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1613	$self->clear;	2388	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2389	}
1616		2390
1617	sub reset_at {	2391	sub reset_at {
1618	my ($self) = @_;	2392	my ($self) = @_;
1619		2393
1620	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1623		2396
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	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;
1626		2399
…		…
1637	my ($self) = @_;	2410	my ($self) = @_;
1638		2411
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2413
1641	return if $self->players;	2414	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2415
1644	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1645		2417
1646	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1647		2419
1648	# need to save uniques path	2420	# need to save uniques path
1649	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2425	if $uniq;
1654	}	2426	}
1655		2427
1656	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1657		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2432	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2433
1662	$self->unlink_save;	2434	$self->unlink_save;
1663	$self->destroy;	2435	$self->destroy;
1664	}	2436	}
1665		2437
1666	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1667		2439
1668	sub nuke {	2440	sub nuke {
1669	my ($self) = @_;	2441	my ($self) = @_;
1670		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1671	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1672		2447
1673	$self->unlink_save;	2448	$self->unlink_save;
1674		2449
1675	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1676	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2455
1681	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1682		2458
1683	$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	]
1684	}	2496	}
1685		2497
1686	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1687		2499
1688	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2501	instantiated unique items. May block.
1690		2502
1691	=cut	2503	=cut
1692		2504
1693	sub unique_maps() {	2505	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1695	or return;	2507	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2508	utf8::decode $_;
1701	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2511	? ()
1704	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2514	]
1706
1707	\@paths
1708	}	2515	}
1709		2516
1710	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	}
1711		2548
1712	=back	2549	=back
1713		2550
1714	=head3 cf::object	2551	=head3 cf::object
1715		2552
…		…
1719		2556
1720	=over 4	2557	=over 4
1721		2558
1722	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1723		2560
1724	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.
1725		2563
1726	=cut	2564	=cut
1727		2565
1728	sub inv_recursive_;	2566	sub inv_recursive_;
1729	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1732		2570
1733	sub inv_recursive {	2571	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1735	}	2573	}
1736		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
1737	package cf;	2603	package cf;
1738		2604
1739	=back	2605	=back
1740		2606
1741	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1750		2616
1751	=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	};
1752		2632
1753	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2634	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1758		2638
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2640
1761	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1766	}	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 (@_);
1767	}	2666	}
1768		2667
1769	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1770		2669
1771	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1784		2683
1785	=item $player_object->enter_link	2684	=item $player_object->enter_link
1786		2685
1787	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}>).
1788		2687
1789	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.
1790	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.
1791		2692
1792	Will never block.	2693	Will never block.
1793		2694
1794	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1795		2696
…		…
1815	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1816	my ($self) = @_;	2717	my ($self) = @_;
1817		2718
1818	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1819		2720
		2721	++$self->{_link_recursion};
		2722
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2724
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1824		2727
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1826	}	2729	}
1827		2730
1828	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1830		2735
1831	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1832		2737
1833	unless ($map) {	2738	unless ($map) {
1834	# restore original map position	2739	# restore original map position
…		…
1845	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1846	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1847		2752
1848	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1851		2756
1852	$map->load;	2757	$map->load;
1853	$map->load_diag;	2758	$map->load_neighbours;
1854		2759
1855	return unless $self->contr->active;	2760	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2761
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1860	}	2764	# entering was successful
1861		2765	delete $self->{_link_recursion};
1862	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2767	$self->activate_recursive;
1864	my ($pl) = @_;
1865
1866	# abort map switching before logout
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},	2768	}
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2769
1876	# try to abort aborted map switching on player login :)	2770	}
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2771
1894	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1895		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
1896	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1897		2786
1898	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1899	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;
1900		2798
1901	$self->enter_link;	2799	$self->enter_link;
1902		2800
1903	(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
1904	my $map = eval {	2823	my $map = eval {
1905	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2839	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1912	})->prio (1);	2847	})->prio (1);
1913	}	2848	}
1914		2849
1915	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1916		2851
…		…
1936	}	2871	}
1937		2872
1938	sub prepare_random_map {	2873	sub prepare_random_map {
1939	my ($exit) = @_;	2874	my ($exit) = @_;
1940		2875
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2878	# that depends on the exit object
1946		2879
1947	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2882	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1954	}	2889	}
1955		2890
1956	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1957		2892
1958	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1961		2896
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2899	undef $fh;
1965	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1966		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1969	}	2908	}
1970	}	2909	}
1971		2910
1972	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
1974		2913
1975	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
1976		2915
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2916	$self->enter_link;
1989		2917
1990	(async {	2918	(async {
1991	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
1992	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 $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
1993	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
1994		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
1995	1;	2955	1
1996	}) {	2956	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2961
2002	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2003	$self->leave_link;	2963	$self->leave_link;
2004	}	2964	}
2005	})->prio (1);	2965	})->prio (1);
2006	}	2966	}
2007		2967
…		…
2021		2981
2022	utf8::encode $text;	2982	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2984	}
2025		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2026	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2027		3174
2028	Sends an exti event to the client.	3175	Sends an ext event to the client.
2029		3176
2030	=cut	3177	=cut
2031		3178
2032	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2034		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2037	}	3206	}
2038		3207
2039	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2040		3209
2041	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		3213
2045	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	3215	become reliable at some point in the future.
2047		3216
2048	=cut	3217	=cut
2049		3218
2050	sub cf::client::query {	3219	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3228	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3230
2062	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2064	}	3235	}
2065		3236
2066	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2067	on_reply => sub {	3243	on_reply => sub {
2068	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2069		3245
2070	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2071	# get handled first	3247	# get handled first
…		…
2083	} else {	3259	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3261	}
2086	}	3262	}
2087	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2088	);	3290	);
2089		3291
2090	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2091		3293
2092	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2108		3310
2109	$coro	3311	$coro
2110	}	3312	}
2111		3313
2112	cf::client->attach (	3314	cf::client->attach (
2113	on_destroy => sub {	3315	on_client_destroy => sub {
2114	my ($ns) = @_;	3316	my ($ns) = @_;
2115		3317
2116	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2117	},	3319	},
2118	);	3320	);
…		…
2133	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2135		3337
2136	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2137		3339
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2139		3345
2140	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2141		3347
2142	=pod	3348	=pod
2143		3349
2144	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2145		3351
2146	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2147	cf::object::player player	3357	cf::object::player
2148	cf::player peaceful	3358	player
2149	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2150		3365
2151	=cut	3366	=cut
2152		3367
2153	for (	3368	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2158	) {	3375	) {
2159	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2162	for @funs;	3378	for @funs;
2163	}	3379	}
2164		3380
…		…
2179		3395
2180	my $qcode = $code;	3396	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2183		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2184	local $_;	3403	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;
2186		3404
2187	my $eval =	3405	my $eval =
2188	"do {\n"	3406	"do {\n"
2189	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2190	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2191	. $code	3409	. $code
2192	. "\n}"	3410	. "\n}"
2193	;	3411	;
2194		3412
		3413	if ($CFG{safe_eval}) {
2195	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2196	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2197	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2198		3422
2199	if ($@) {	3423	if ($@) {
2200	warn "$@";	3424	warn "$@",
2201	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2202	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2203	}	3427	}
2204		3428
2205	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2206	}	3430	}
2207		3431
…		…
2221	=cut	3445	=cut
2222		3446
2223	sub register_script_function {	3447	sub register_script_function {
2224	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2225		3449
2226	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2227	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2228	}	3452	}
2229		3453
2230	=back	3454	=back
2231		3455
2232	=cut	3456	=cut
2233
2234	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305		3457
2306	#############################################################################	3458	#############################################################################
2307	# the server's init and main functions	3459	# the server's init and main functions
2308		3460
2309	sub load_facedata {	3461	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3462	my ($path) = @_;
2311		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2312	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2313		3471
2314	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2315	0 < aio_load $path, $facedata
2316	or die "$path: $!";
2317
2318	$facedata = Coro::Storable::thaw $facedata;
2319		3473
2320	$facedata->{version} == 2	3474	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2323	{	3486	{
2324	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2325		3488
2326	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2332	}	3499	}
2333		3500
2334	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2336	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2337	or next;	3505	or next;
		3506
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3510	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3512	}
2343	Coro::cede;	3513
		3514	cf::cede_to_tick;
2344	}	3515	}
2345	}	3516	}
2346		3517
2347	{	3518	{
2348	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2349		3520
2350	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3523	cf::cede_to_tick;
2353	}	3524	}
2354		3525
2355	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2356	}	3527	}
2357		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2358	1	3548	1
2359	}	3549	}
2360		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
		3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
		3574	load_resource_file "$MAPDIR/regions"
		3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
		3581	}
		3582
		3583	sub reload_facedata {
		3584	load_facedata "$DATADIR/facedata"
		3585	or die "unable to load facedata\n";
		3586	}
		3587
		3588	sub reload_archetypes {
		3589	load_resource_file "$DATADIR/archetypes"
		3590	or die "unable to load archetypes\n";
		3591	}
		3592
		3593	sub reload_treasures {
		3594	load_resource_file "$DATADIR/treasures"
		3595	or die "unable to load treasurelists\n";
		3596	}
		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2361	sub reload_resources {	3618	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3619	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3620
		3621	reload_exp_table;
		3622	reload_materials;
2364	load_facedata	3623	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3624	reload_sound;
2366	}	3625	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3626	reload_regions;
2370	}	3627	reload_treasures;
2371		3628
2372	sub cfg_load {	3629	trace "finished reloading resource files\n";
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3630	}
2374	or return;
2375		3631
2376	local $/;	3632	sub reload_config {
2377	*CFG = YAML::Syck::Load <$fh>;	3633	trace "reloading config file...\n";
2378		3634
		3635	my $config = load_file "$CONFDIR/config";
		3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
		3638
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3640
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3643
2384	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2388	};	3648	};
2389	warn $@ if $@;	3649	warn $@ if $@;
2390	}	3650	}
2391	}	3651	}
2392		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2393	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2394	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3694	(async {
2398	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2400	};	3698	};
2401		3699
2402	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2403	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2404	load_extensions;	3723	load_extensions;
2405		3724
2406	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2408	}	3743	}
2409		3744
2410	#############################################################################	3745	#############################################################################
2411	# initialisation and cleanup	3746	# initialisation and cleanup
2412		3747
2413	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2414	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2423	},
2424	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2425	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2426	}	3844	}
2427		3845
2428	sub emergency_save() {	3846	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2430		3848
2431	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2432		3855
2433	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2434	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3867	$pl->save;
2442	}	3868	}
2443	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2444		3870
2445	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3876	$map->valid or next;
2449	$map->save;	3877	$map->save;
2450	}	3878	}
2451	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2452		3880
2453	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2456	};	3909	};
2457		3910
2458	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2459	}	3912	}
2460		3913
2461	sub post_cleanup {	3914	sub post_cleanup {
2462	my ($make_core) = @_;	3915	my ($make_core) = @_;
2463		3916
		3917	IO::AIO::flush;
		3918
2464	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3920	if $make_core;
2466	}
2467		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
		3949	}
		3950
2468	sub reload() {	3951	sub do_reload_perl() {
2469	# can/must only be called in main	3952	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2471	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2472	return;	3955	return;
2473	}	3956	}
2474		3957
2475	warn "reloading...";	3958	return if $RELOAD++;
2476		3959
2477	warn "entering sync_job";	3960	my $t1 = AE::time;
2478		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2479	cf::sync_job {	3968	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3969	#cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3970
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3973	%EXT_CORO = ();
2508		3974
2509	warn "removing commands";	3975	trace "perl_reload: removing commands";
2510	%COMMAND = ();	3976	%COMMAND = ();
2511		3977
2512	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2513	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2514		3981
2515	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2518		3985
2519	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3987	eval {
2521	$cb->($pkg);	3988	$cb->($pkg);
2522	1	3989	1
2523	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2524	}	3995	}
2525		3996
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		4000
2534	warn "... unloading $k";	4001	trace "... unloading $k";
2535	delete $INC{$k};	4002	delete $INC{$k};
2536		4003
2537	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2539		4006
2540	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2542	}	4012	}
2543		4013
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		4017
2551	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
		4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		4021
2554	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2555	# and global variables created in xs	4023	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2557		4025
2558	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2559		4027
2560	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2561	require cf;	4029	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2563		4031
2564	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2565	cf::cfg_load;	4033	cf::reload_config;
2566		4034
2567	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2568	cf::load_extensions;	4036	cf::load_extensions;
2569		4037
		4038	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2573	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2576		4046
2577	warn "loading reloadable resources";	4047	cf::_post_init 1;
2578	reload_resources;
2579		4048
2580	warn "leaving sync_job";	4049	trace "perl_reload: leaving sync_job";
2581		4050
2582	1	4051	1
2583	} or do {	4052	} or do {
2584	warn $@;	4053	error $@;
2585	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2586	exit 1;	4055	};
		4056
		4057	--$RELOAD;
		4058	}
		4059
		4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
		4062	};
		4063
		4064	our $RELOAD_WATCHER; # used only during reload
		4065
		4066	sub reload_perl() {
		4067	# doing reload synchronously and two reloads happen back-to-back,
		4068	# coro crashes during coro_state_free->destroy here.
		4069
		4070	$RELOAD_WATCHER ||= cf::async {
		4071	Coro::AIO::aio_wait cache_extensions;
		4072
		4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4074	do_reload_perl;
		4075	undef $RELOAD_WATCHER;
		4076	};
2587	};	4077	};
2588		4078	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		4079
2594	register_command "reload" => sub {	4080	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2596		4082
2597	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
2599		4085	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4086	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4087	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4088	};
2612	}	4089	}
2613	};	4090	};
2614		4091
2615	unshift @INC, $LIBDIR;	4092	#############################################################################
2616		4093
2617	my $bug_warning = 0;	4094	my $bug_warning = 0;
2618		4095
2619	$TICK_WATCHER = Event->timer (	4096	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4097	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4098
2622	prio => 0,	4099	sub wait_for_tick() {
2623	at => $NEXT_TICK || $TICK,	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4101
2625	cb => sub {	4102	my $signal = new Coro::Signal;
		4103	push @WAIT_FOR_TICK, $signal;
		4104	$signal->wait;
		4105	}
		4106
		4107	sub wait_for_tick_begin() {
		4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4109
		4110	my $signal = new Coro::Signal;
		4111	push @WAIT_FOR_TICK_BEGIN, $signal;
		4112	$signal->wait;
		4113	}
		4114
		4115	sub tick {
2626	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2629	return;	4119	return;
2630	}	4120	}
2631		4121
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4123
		4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4125
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4130	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4132	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4133	}
2658	);	4134
		4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4136	$sig->send;
		4137	}
		4138	while (my $sig = shift @WAIT_FOR_TICK) {
		4139	$sig->send;
		4140	}
		4141
		4142	$LOAD = ($NOW - $TICK_START) / $TICK;
		4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4144
		4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
		4151	}
		4152	}
2659		4153
2660	{	4154	{
2661	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4156
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2671		4158	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4160
2687	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4168
2690	cf::sync_job {	4169	cf::sync_job {
2691	eval {	4170	eval {
2692	BDB::db_env_open	4171	BDB::db_env_open
2693	$DB_ENV,	4172	$DB_ENV,
2694	$BDB_ENV_DIR,	4173	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4176	0666;
2698		4177
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4179	};
2704		4180
2705	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4182	};
2707	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2708	}	4194	}
2709		4195
2710	{	4196	{
		4197	# configure IO::AIO
		4198
2711	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4202	}
		4203
		4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
		4206
		4207	sub _log_backtrace {
		4208	my ($msg, @addr) = @_;
		4209
		4210	$msg =~ s/\n$//;
		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4215	# limit the # of concurrent backtraces
		4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
		4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
		4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
		4223	my @bt = fork_call {
		4224	@addr = map { sprintf "%x", $_ } @addr;
		4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4227	or die "addr2line: $!";
		4228
		4229	my @funcs;
		4230	my @res = <$fh>;
		4231	chomp for @res;
		4232	while (@res) {
		4233	my ($func, $line) = splice @res, 0, 2, ();
		4234	push @funcs, "[$func] $line";
		4235	}
		4236
		4237	@funcs
		4238	};
		4239
		4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4242	LOG llevInfo, "[ABT] $_\n" for @bt;
		4243	--$_log_backtrace;
		4244	};
		4245	} else {
		4246	LOG llevInfo, "[ABT] $msg\n";
		4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4248	}
		4249	}
		4250
		4251	# load additional modules
		4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
2724		4254
2725	END { cf::emergency_save }	4255	END { cf::emergency_save }
2726		4256
2727	1	4257	1
2728		4258

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