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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98
50	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	123	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		132
59	our %CFG;	133	our %CFG;
60		134
61	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
63		138
64	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		142
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		155
76	binmode STDOUT;	156	binmode STDOUT;
77	binmode STDERR;	157	binmode STDERR;
78		158
79	# read virtual server time, if available	159	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
84	}	164	}
85		165
86	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	167
88	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		170
93	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
94		172
95	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::"} };
96		189
97	#############################################################################	190	#############################################################################
98		191
99	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
100		193
…		…
107	=item $cf::RUNTIME	200	=item $cf::RUNTIME
108		201
109	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
110	every server tick.	203	every server tick.
111		204
112	=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
113		208
114	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		213
117	=item $cf::NOW	214	=item $cf::NOW
118		215
119	The time of the last (current) server tick.	216	The time of the last (current) server tick.
120		217
121	=item $cf::TICK	218	=item $cf::TICK
122		219
123	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	232	=item %cf::CFG
126		233
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	235	from wherever your confdir points to.
129		236
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		238
132	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
133	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
134	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.
135	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.
136		259
137	=back	260	=back
138		261
139	=cut	262	=cut
140		263
141	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	271	my $msg = join "", @_;
144	utf8::encode $msg;
145		272
146	$msg .= "\n"	273	$msg .= "\n"
147	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
148		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
149	LOG llevError, $msg;	278	LOG llevWarn, $msg;
150	};	279	};
151	}	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	};
152		294
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		302
160	# 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
161	# within the Safe compartment.	304	# within the Safe compartment.
162	for my $pkg (qw(	305	for my $pkg (qw(
163	cf::global cf::attachable	306	cf::global cf::attachable
164	cf::object cf::object::player	307	cf::object cf::object::player
165	cf::client cf::player	308	cf::client cf::player
166	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
167	cf::map cf::party cf::region	311	cf::party cf::region
168	)) {	312	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	314	}
172		315
173	$Event::DIED = sub {	316	$EV::DIED = sub {
174	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
175	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
176		326
177	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
178		328
179	=over 4	329	=over 4
180		330
…		…
199	$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;
200	$d	350	$d
201	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
202	}	352	}
203		353
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
205		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
206	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
207		369
208	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
209		371
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
218		373
219	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
220		375
221	=cut	376	=cut
222		377
223	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
225	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
226	}	443	}
227		444
228	=item cf::lock_wait $string	445	=item cf::lock_wait $string
229		446
230	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
231		448
232	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
233		450
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
237	returned.	454	returned.
238		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
239	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
240	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
241		461
242	=cut	462	=item $locked = cf::lock_active $string
243		463
244	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;
245		469
246	sub lock_wait($) {	470	sub lock_wait($) {
247	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	472	}
255		473
256	sub lock_acquire($) {	474	sub lock_acquire($) {
257	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
258		477
259	# wait, to be sure we are not locked	478	sub lock_active($) {
260	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	480	}
269		481
270	sub freeze_mainloop {	482	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
272		484
273	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	486	}
275	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
276	};	556	}
277	$WRITE_RUNTIME_WATCHER->stop;	557	};
278	$TICK_WATCHER->stop;	558
279	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
280	}	572	}
281		573
282	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
283		575
284	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		581
290	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
291		583
292	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
293		585
294	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
295	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
296	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.
297		590
298	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
299	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
300	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
301	fast or be very important.	594	fast or be very important.
…		…
303	=cut	596	=cut
304		597
305	sub sync_job(&) {	598	sub sync_job(&) {
306	my ($job) = @_;	599	my ($job) = @_;
307		600
308	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
309	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
311		606
312	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	608
314	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
315		610
316	my $busy = 1;	611	my $busy = 1;
317	my @res;	612	my @res;
318		613
319	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	616	@res = eval { $job->() };
321	warn $@ if $@;	617	error $@ if $@;
322	undef $busy;	618	undef $busy;
323	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
324		620
325	while ($busy) {	621	while ($busy) {
326	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
327	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
328		632
329	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
330	} else {	634	} else {
331	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
332		636
…		…
352	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
353		657
354	$coro	658	$coro
355	}	659	}
356		660
357	sub write_runtime {	661	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		662
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
361	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
362		667
363	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		669
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
368	and return;	671	reset_signals;
		672	}
369		673
370	# always fsync - this file is important	674	sub fork_call(&@) {
371	aio_fsync $fh	675	my ($cb, @args) = @_;
372	and return;
373		676
374	close $fh	677	# we seemingly have to make a local copy of the whole thing,
375	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
376		680
377	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
378	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
379		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
380	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	864	}
382		865
383	=back	866	=back
384		867
385	=cut	868	=cut
386		869
387	#############################################################################	870	#############################################################################
388		871
389	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
390		873
391	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
392	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")
393	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
394		877
395	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>
396	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
397	crossfire+).	880	Deliantra).
398		881
399	=over 4	882	=over 4
400		883
401	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
402		885
…		…
446	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
447		930
448	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
449	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
450		933
451	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		936
454	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
455		938
456	=over 4	939	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
566		1049
567	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1054
572	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
574		1057
575	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
580		1063
581	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1066
584	} elsif (ref $type) {	1067	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
586		1069
587	} else {	1070	} else {
588	shift @arg;	1071	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
590	}	1073	}
591	}	1074	}
592	}	1075	}
593		1076
594	sub _object_attach {	1077	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
605	}	1088	}
606		1089
607	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
608	} else {	1091	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1093	}
611		1094
612	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
613	}	1096	}
614		1097
…		…
616	if (ref $_[0]) {	1099	if (ref $_[0]) {
617	_object_attach @_;	1100	_object_attach @_;
618	} else {	1101	} else {
619	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
620	}	1103	}
		1104	_recalc_want;
621	};	1105	};
622		1106
623	# all those should be optimised	1107	# all those should be optimised
624	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1113	reattach ($obj);
630	} else {	1114	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
632	}	1116	}
		1117	_recalc_want;
633	};	1118	};
634		1119
635	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
637		1122
…		…
652	";	1137	";
653	die if $@;	1138	die if $@;
654	}	1139	}
655		1140
656	our $override;	1141	our $override;
657	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?
658		1143
659	sub override {	1144	sub override {
660	$override = 1;	1145	$override = 1;
661	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
662	}	1147	}
663		1148
664	sub do_invoke {	1149	sub do_invoke {
665	my $event = shift;	1150	my $event = shift;
666	my $callbacks = shift;	1151	my $callbacks = shift;
667		1152
668	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
669		1154
670	local $override;	1155	local $override;
671		1156
672	for (@$callbacks) {	1157	for (@$callbacks) {
673	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
674		1159
675	if ($@) {	1160	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1162	override;
679	}	1163	}
680		1164
681	return 1 if $override;	1165	return 1 if $override;
682	}	1166	}
683		1167
684	0	1168	0
685	}	1169	}
686		1170
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1172
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1174
691	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
692		1176
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1180
697	=back	1181	=back
698		1182
699	=cut	1183	=cut
700		1184
701	#############################################################################	1185	#############################################################################
702	# 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	}
703		1229
704	sub reattach {	1230	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1232	my ($obj) = @_;
707		1233
		1234	# no longer needed after getting rid of delete_package?
708	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
709		1236
710	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
711		1238
712	@$registry = ();	1239	@$registry = ();
713		1240
…		…
718	for (@$attach) {	1245	for (@$attach) {
719	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
721	}	1248	}
722	} else {	1249	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1251	}
725	}	1252	}
726	}	1253	}
727		1254
728	cf::attachable->attach (	1255	cf::attachable->attach (
729	prio => -1000000,	1256	prio => -1000000,
730	on_instantiate => sub {	1257	on_instantiate => sub {
731	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
732		1259
733	$data = from_json $data;	1260	$data = decode_json $data;
734		1261
735	for (@$data) {	1262	for (@$data) {
736	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
737		1264
738	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1281	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
756		1283
757	sync_job {	1284	sync_job {
758	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
761		1290
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	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	}
766	close $fh;	1298	aio_close $fh;
767		1299
768	if (@$objs) {	1300	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
773	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	}
774	close $fh;	1309	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
776	}	1311	}
777	} else {	1312	} else {
778	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
779	}	1314	}
780		1315
781	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1320	} else {
783	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
784	}	1322	}
785	} else {	1323	} else {
786	aio_unlink $filename;	1324	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
788	}	1326	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1327	};
796	}	1328	}
797		1329
798	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
800		1332
…		…
805		1337
806	sub object_thawer_load {	1338	sub object_thawer_load {
807	my ($filename) = @_;	1339	my ($filename) = @_;
808		1340
809	my ($data, $av);	1341	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1342
814	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
815	or return;	1344	or return;
816		1345
817	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
819	or return;	1348	or return;
		1349
820	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
821	}	1352	}
822		1353
		1354	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
825	return ($data, $av);	1359	($data, $av)
826	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
827		1367
828	#############################################################################	1368	#############################################################################
829	# command handling &c	1369	# command handling &c
830		1370
831	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1385	}
846		1386
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1388
849	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.
850		1394
851	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
852	called.	1396	called.
853		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
854	=cut	1409	=cut
855		1410
856	sub register_extcmd {	1411	sub register_extcmd {
857	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
858		1413
859	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
860	}	1415	}
861		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
862	cf::player->attach (	1425	cf::player->attach (
863	on_command => sub {	1426	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
865		1428
866	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
867	or return;	1430	or return;
868		1431
…		…
873	cf::override;	1436	cf::override;
874	},	1437	},
875	on_extcmd => sub {	1438	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
877		1440
878	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1442
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
886	} else {	1458	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1460	}
889		1461
890	cf::override;	1462	cf::override;
891	},	1463	},
892	);	1464	);
893		1465
		1466	# "readahead" all extensions
894	sub load_extension {	1467	sub cache_extensions {
895	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
896		1469
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1473	}
922	die $@;
923	}	1474	};
924		1475
925	push @EXTS, $pkg;	1476	$grp
926	}	1477	}
927		1478
928	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
929	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1486	next unless -r $path;
931	eval {	1487
932	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	}
933	1	1551	}
934	} 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	}
935	}	1564	};
936	}	1565	}
937		1566
938	#############################################################################	1567	#############################################################################
939		1568
		1569	=back
		1570
940	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
941		1572
942	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
943		1574
944	=cut	1575	=cut
945		1576
946	package cf::player;	1577	package cf::player;
947		1578
…		…
949		1580
950	=head3 cf::player	1581	=head3 cf::player
951		1582
952	=over 4	1583	=over 4
953		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
954	=item cf::player::find $login	1599	=item cf::player::find $login
955		1600
956	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
957		1602
958	=cut	1603	=cut
959		1604
960	sub playerdir($) {	1605	sub playerdir($) {
961	cf::localdir	1606	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1608	}
967		1609
968	sub path($) {	1610	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1612
971	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
972	}	1614	}
973		1615
974	sub find_active($) {	1616	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
979		1621
980	sub exists($) {	1622	sub exists($) {
981	my ($login) = @_;	1623	my ($login) = @_;
982		1624
983	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
985	}	1627	}
986		1628
987	sub find($) {	1629	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1631	my $login = $_[0];
990		1632
991	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
992		1634
993	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
995	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;
996	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
997	}	1652	}
998	}	1653	}
999	}	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	);
1000		1668
1001	sub save($) {	1669	sub save($) {
1002	my ($pl) = @_;	1670	my ($pl) = @_;
1003		1671
1004	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1010		1678
1011	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1013		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
1014	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1015	Coro::cede;	1688	cf::cede_to_tick;
1016	}	1689	}
1017		1690
1018	sub new($) {	1691	sub new($) {
1019	my ($login) = @_;	1692	my ($login) = @_;
1020		1693
…		…
1026	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1027		1700
1028	$self	1701	$self
1029	}	1702	}
1030		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
1031	=item $pl->quit_character	1714	=item $pl->quit_character
1032		1715
1033	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
1034	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1035		1718
1036	=cut	1719	=cut
1037		1720
1038	sub quit_character {	1721	sub quit_character {
1039	my ($pl) = @_;	1722	my ($pl) = @_;
1040		1723
		1724	my $name = $pl->ob->name;
		1725
1041	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1042	$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
1043		1728
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1047	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1048		1737
1049	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1054	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1055	}	1764	}
1056		1765
1057	=item cf::player::list_logins	1766	=item cf::player::list_logins
1058		1767
1059	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1061		1770
1062	=cut	1771	=cut
1063		1772
1064	sub list_logins {	1773	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1775	or return [];
1067		1776
1068	my @logins;	1777	my @logins;
1069		1778
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1074		1789
1075	utf8::decode $login;	1790	utf8::decode $login;
1076	push @logins, $login;	1791	push @logins, $login;
1077	}	1792	}
1078		1793
1079	\@logins	1794	\@logins
1080	}	1795	}
1081		1796
1082	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1083		1800
1084	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1085	player. May block.	1802	player. May block.
1086		1803
1087	=cut	1804	=cut
…		…
1105	}	1822	}
1106		1823
1107	\@paths	1824	\@paths
1108	}	1825	}
1109		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1111		1832
1112	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1113		1834
1114	=cut	1835	=cut
1115		1836
1116	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1118		1839
1119	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1841	}
1123		1842
1124	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1125		1885
1126	=back	1886	=back
1127
1128		1887
1129	=head3 cf::map	1888	=head3 cf::map
1130		1889
1131	=over 4	1890	=over 4
1132		1891
…		…
1144	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1146		1905
1147	sub generate_random_map {	1906	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1150	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1912	}
1164		1913
1165	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1166		1915
1167	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
…		…
1172		1921
1173	sub register {	1922	sub register {
1174	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1924	my $pkg = caller;
1176		1925
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1927
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1929	}
1182		1930
1183	# also paths starting with '/'	1931	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1933
1186	sub thawer_merge {	1934	sub thawer_merge {
1187	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1188		1936
1189	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1190	local $self->{path};	1938	local $self->{path};
1191	local $self->{load_path};	1939	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1940
1195	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1196	}	1942	}
1197		1943
1198	sub normalise {	1944	sub normalise {
1199	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1200		1946
1201	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1202		1948
1203	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1204		1950
1205	# map plan:	1951	# map plan:
1206	#	1952	#
…		…
1208	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1209	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1210	# ?random/... random maps	1956	# ?random/... random maps
1211	# /... normal maps	1957	# /... normal maps
1212	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1213		1960
1214	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1215		1962
1216	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1217	# something that looks reasonable	1964	# something that looks reasonable
1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1220		1967
1221	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1223	}	1984	}
1224		1985
1225	for ($path) {	1986	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1229	}	1989	}
1230		1990
1231	$path	1991	$path
…		…
1245	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1246	return $self;	2006	return $self;
1247	}	2007	}
1248	}	2008	}
1249		2009
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2011	()
1252	}	2012	}
1253		2013
		2014	# may re-bless or do other evil things
1254	sub init {	2015	sub init {
1255	my ($self) = @_;	2016	my ($self) = @_;
1256		2017
1257	$self	2018	$self
1258	}	2019	}
…		…
1270		2031
1271	# the original (read-only) location	2032	# the original (read-only) location
1272	sub load_path {	2033	sub load_path {
1273	my ($self) = @_;	2034	my ($self) = @_;
1274		2035
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1276	}	2037	}
1277		2038
1278	# the temporary/swap location	2039	# the temporary/swap location
1279	sub save_path {	2040	sub save_path {
1280	my ($self) = @_;	2041	my ($self) = @_;
1281		2042
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1284	}	2045	}
1285		2046
1286	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1287	sub uniq_path {	2048	sub uniq_path {
1288	my ($self) = @_;	2049	my ($self) = @_;
1289		2050
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1292	}	2053	}
1293		2054
1294	# and all this just because we cannot iterate over	2055	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2056	my ($self) = @_;
1298		2057
1299	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1301	}	2061	}
1302		2062
1303	sub unlink_save {	2063	sub unlink_save {
1304	my ($self) = @_;	2064	my ($self) = @_;
1305		2065
1306	utf8::encode (my $save = $self->save_path);	2066	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2069	}
1315		2070
1316	sub load_header_from($) {	2071	sub load_header_from($) {
1317	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1318		2073
1319	utf8::encode $path;	2074	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2076	or return;
1325		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1326	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1327		2085
1328	1	2086	1
1329	}	2087	}
1330		2088
		2089	# used to laod the header of an original map
1331	sub load_header_orig {	2090	sub load_header_orig {
1332	my ($self) = @_;	2091	my ($self) = @_;
1333		2092
1334	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1335	}	2094	}
1336		2095
		2096	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2097	sub load_header_temp {
1338	my ($self) = @_;	2098	my ($self) = @_;
1339		2099
1340	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1341	}	2101	}
1342		2102
		2103	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2104	sub prepare_temp {
1344	my ($self) = @_;	2105	my ($self) = @_;
1345		2106
1346	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1348	# safety	2109	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2112	}
1352		2113
		2114	# called after loading the header from an original map
1353	sub prepare_orig {	2115	sub prepare_orig {
1354	my ($self) = @_;	2116	my ($self) = @_;
1355		2117
1356	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2130	$self->load_header_orig
1369	or return;	2131	or return;
1370	$self->prepare_orig;	2132	$self->prepare_orig;
1371	}	2133	}
1372		2134
		2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
		2137
		2138	$self->default_region (cf::region::find_by_path $self->{path})
		2139	unless $self->default_region;
		2140
1373	1	2141	1
1374	}	2142	}
1375		2143
1376	sub find;	2144	sub find;
1377	sub find {	2145	sub find {
1378	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1379		2147
		2148	cf::cede_to_tick;
		2149
1380	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1381		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2154
1384	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1387	or return;	2157	or return;
1388		2158
1389	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1390		2160
1391	$map->load_header	2161	$map->load_header
1392	or return;	2162	or return;
1393		2163
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1397	$map->reset;	2169	$map->reset;
1398	undef $guard;
1399	return find $path;	2170	return find $path;
1400	}	2171	}
1401		2172
1402	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1403	}	2174	}
1404	}	2175	}
1405		2176
1406	sub pre_load { }	2177	sub pre_load { }
1407	sub post_load { }	2178	#sub post_load { } # XS
1408		2179
1409	sub load {	2180	sub load {
1410	my ($self) = @_;	2181	my ($self) = @_;
1411		2182
1412	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
1413		2184
1414	my $path = $self->{path};	2185	my $path = $self->{path};
		2186
		2187	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1416		2189
		2190	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2192
1419	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1420		2194
1421	$self->alloc;	2195	$self->alloc;
1422		2196
1423	$self->pre_load;	2197	$self->pre_load;
		2198	cf::cede_to_tick;
1424		2199
1425	$self->_load_objects ($self->{load_path}, 1)	2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1426	or return;	2204	or return;
1427		2205
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1429	if delete $self->{load_original};	2207	if delete $self->{load_original};
1430		2208
1431	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2210	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2213	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1436	}	2218	}
1437	}
1438		2219
1439	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
1440		2225
		2226	cf::cede_to_tick;
1441	# now do the right thing for maps	2227	# now do the right thing for maps
1442	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2230	unless $self->difficulty;
1452	Coro::cede;	2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1453	$self->activate;	2238	$self->activate;
		2239	}
		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
		2244	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2245	}
1455		2246
1456	$self->post_load;	2247	$self->post_load;
1457		2248
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2249	1
1459	}	2250	}
1460		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2255	sub customise_for {
1462	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1463		2257
1464	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2259	if $self->per_player;
1466		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
1467	$self	2264	$self
1468	}	2265	}
1469		2266
1470	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2268	sub load_neighbours {
1472	my ($map) = @_;	2269	my ($map) = @_;
1473		2270
1474	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1475		2272
1476	for (0 .. 3) {	2273	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1478	or next;	2275	or next;
1479	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1480	or next;	2277	or next;
1481	$neigh->load;	2278	$neigh->load;
1482		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2284	}
1486		2285
1487	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1489	or next;	2289	or next;
1490	$neigh->load;	2290	$neigh->load;
1491	}	2291	}
1492	}	2292	}
1493		2293
1494	sub find_sync {	2294	sub find_sync {
1495	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1496		2296
1497	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1498	}	2301	}
1499		2302
1500	sub do_load_sync {	2303	sub do_load_sync {
1501	my ($map) = @_;	2304	my ($map) = @_;
1502		2305
1503	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1504	}	2310	}
1505		2311
1506	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
1508		2314
1509	sub find_async {	2315	sub find_async {
1510	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1511		2317
1512	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1513		2319
1514	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2322	}
1517		2323
1518	undef $MAP_PREFETCH{$path};	2324	$MAP_PREFETCH{$path} |= $load;
		2325
1519	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
1520	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2331	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2332	$map->load if $v;
		2333	}
1525		2334
1526	delete $MAP_PREFETCH{$path};	2335	delete $MAP_PREFETCH{$k};
1527	}	2336	}
1528	}	2337	}
1529	undef $MAP_PREFETCHER;	2338	undef $MAP_PREFETCHER;
1530	};	2339	};
1531	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
1532		2341
1533	()	2342	()
1534	}	2343	}
1535		2344
		2345	# common code, used by both ->save and ->swapout
1536	sub save {	2346	sub _save {
1537	my ($self) = @_;	2347	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2348
1541	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1542		2350
1543	return unless $self->dirty;	2351	return unless $self->dirty;
1544		2352
…		…
1550	return if $self->{deny_save};	2358	return if $self->{deny_save};
1551		2359
1552	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1553		2361
1554	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1556	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1557		2368
1558	if ($uniq) {	2369	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2372	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2374	}
1564	}	2375	}
1565		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1566	sub swap_out {	2385	sub swap_out {
1567	my ($self) = @_;	2386	my ($self) = @_;
1568		2387
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1574	return if $self->players;	2392	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1578	$self->clear;	2403	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2404	}
1581		2405
1582	sub reset_at {	2406	sub reset_at {
1583	my ($self) = @_;	2407	my ($self) = @_;
1584		2408
1585	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1588		2411
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2414
…		…
1602	my ($self) = @_;	2425	my ($self) = @_;
1603		2426
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2428
1606	return if $self->players;	2429	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2430
1609	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
		2432
		2433	$self->in_memory (cf::MAP_SWAPPED);
		2434
		2435	# need to save uniques path
		2436	unless ($self->{deny_save}) {
		2437	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2438
		2439	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2440	if $uniq;
		2441	}
1610		2442
1611	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1612		2444
1613	$self->in_memory (cf::MAP_SWAPPED);	2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2447	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2448
1618	$self->unlink_save;	2449	$self->unlink_save;
1619	$self->destroy;	2450	$self->destroy;
1620	}	2451	}
1621		2452
1622	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1623		2454
1624	sub nuke {	2455	sub nuke {
1625	my ($self) = @_;	2456	my ($self) = @_;
1626		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
1627	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
1628		2462
1629	$self->unlink_save;	2463	$self->unlink_save;
1630		2464
1631	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2470
1637	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
1638		2473
1639	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
		2475	}
		2476
		2477	=item $maps = cf::map::tmp_maps
		2478
		2479	Returns an arrayref with all map paths of currently instantiated and saved
		2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
		2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
1640	}	2511	}
1641		2512
1642	=item cf::map::unique_maps	2513	=item cf::map::unique_maps
1643		2514
1644	Returns an arrayref of paths of all shared maps that have	2515	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2516	instantiated unique items. May block.
1646		2517
1647	=cut	2518	=cut
1648		2519
1649	sub unique_maps() {	2520	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2521	[
1651	or return;	2522	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2523	utf8::decode $_;
1657	next if /\.pst$/;	2524	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2526	? ()
1660	push @paths, cf::map::normalise $_;	2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2529	]
1662
1663	\@paths
1664	}	2530	}
1665		2531
1666	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
1667		2563
1668	=back	2564	=back
1669		2565
1670	=head3 cf::object	2566	=head3 cf::object
1671		2567
…		…
1675		2571
1676	=over 4	2572	=over 4
1677		2573
1678	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1679		2575
1680	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1681		2578
1682	=cut	2579	=cut
1683		2580
1684	sub inv_recursive_;	2581	sub inv_recursive_;
1685	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1688		2585
1689	sub inv_recursive {	2586	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1691	}	2588	}
1692		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
1693	package cf;	2618	package cf;
1694		2619
1695	=back	2620	=back
1696		2621
1697	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1706		2631
1707	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1708		2647
1709	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2649	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1714		2653
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2655
1717	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1719	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1722	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1723	}	2681	}
1724		2682
1725	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1726		2684
1727	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1740		2698
1741	=item $player_object->enter_link	2699	=item $player_object->enter_link
1742		2700
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2702
1745	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
1747		2707
1748	Will never block.	2708	Will never block.
1749		2709
1750	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1751		2711
…		…
1771	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2732	my ($self) = @_;
1773		2733
1774	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1775		2735
		2736	++$self->{_link_recursion};
		2737
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2739
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1780		2742
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2744	}
1783		2745
1784	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1786		2750
1787	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1788		2752
1789	unless ($map) {	2753	unless ($map) {
1790	# restore original map position	2754	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1803		2767
1804	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1807		2771
1808	$map->load;	2772	$map->load;
1809	$map->load_diag;	2773	$map->load_neighbours;
1810		2774
1811	return unless $self->contr->active;	2775	return unless $self->contr->active;
		2776
		2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2778	if ($self->enter_map ($map, $x, $y)) {
		2779	# entering was successful
		2780	delete $self->{_link_recursion};
		2781	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2782	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2783	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2784
1830	# try to abort aborted map switching on player login :)	2785	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2786
1848	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
1850	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1851		2801
1852	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2813
1855	$self->enter_link;	2814	$self->enter_link;
1856		2815
1857	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
1858	my $map = eval {	2838	my $map = eval {
1859	my $map = cf::map::find $path;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
		2844	} else {
		2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
		2847
1861	$map	2848	$map
		2849	};
		2850
		2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2854	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1866	})->prio (1);	2862	})->prio (1);
1867	}	2863	}
1868		2864
1869	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1870		2866
…		…
1890	}	2886	}
1891		2887
1892	sub prepare_random_map {	2888	sub prepare_random_map {
1893	my ($exit) = @_;	2889	my ($exit) = @_;
1894		2890
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2893	# that depends on the exit object
1900		2894
1901	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2897	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1908	}	2904	}
1909		2905
1910	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1911		2907
1912	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
1915		2911
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2914	undef $fh;
1919	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
1920		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
1923	}	2923	}
1924	}	2924	}
1925		2925
1926	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
1928		2928
1929	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
1930		2930
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2931	$self->enter_link;
1941		2932
1942	(async {	2933	(async {
1943	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
1944	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
1945	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
1946		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
1947	1;	2957	1
1948	}) {	2958	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2963
1954	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2965	$self->leave_link;
1956	}	2966	}
1957	})->prio (1);	2967	})->prio (1);
1958	}	2968	}
1959		2969
…		…
1970		2980
1971	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1973		2983
1974	utf8::encode $text;	2984	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2986	}
1977		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
		3208	}
1978		3209
1979	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1980		3211
1981	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3215
1985	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3217	become reliable at some point in the future.
1987		3218
1988	=cut	3219	=cut
1989		3220
1990	sub cf::client::query {	3221	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3230	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3232
2002	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2004	}	3237	}
2005		3238
2006	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2007	on_reply => sub {	3245	on_reply => sub {
2008	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2009		3247
2010	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2011	# get handled first	3249	# get handled first
…		…
2023	} else {	3261	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3263	}
2026	}	3264	}
2027	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2028	);	3292	);
2029		3293
2030	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2031		3295
2032	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3312
2049	$coro	3313	$coro
2050	}	3314	}
2051		3315
2052	cf::client->attach (	3316	cf::client->attach (
2053	on_destroy => sub {	3317	on_client_destroy => sub {
2054	my ($ns) = @_;	3318	my ($ns) = @_;
2055		3319
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3321	},
2058	);	3322	);
…		…
2073	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2075		3339
2076	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2077		3341
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2079		3347
2080	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2081		3349
2082	=pod	3350	=pod
2083		3351
2084	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2085		3353
2086	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2087	cf::object::player player	3359	cf::object::player
2088	cf::player peaceful	3360	player
2089	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2090		3367
2091	=cut	3368	=cut
2092		3369
2093	for (	3370	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2098	) {	3377	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3380	for @funs;
2103	}	3381	}
2104		3382
…		…
2119		3397
2120	my $qcode = $code;	3398	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2123		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2124	local $_;	3405	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3406
2127	my $eval =	3407	my $eval =
2128	"do {\n"	3408	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3411	. $code
2132	. "\n}"	3412	. "\n}"
2133	;	3413	;
2134		3414
		3415	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2138		3424
2139	if ($@) {	3425	if ($@) {
2140	warn "$@";	3426	warn "$@",
2141	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2143	}	3429	}
2144		3430
2145	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2146	}	3432	}
2147		3433
…		…
2161	=cut	3447	=cut
2162		3448
2163	sub register_script_function {	3449	sub register_script_function {
2164	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2165		3451
2166	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2168	}	3454	}
2169		3455
2170	=back	3456	=back
2171		3457
2172	=cut	3458	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3459
2282	#############################################################################	3460	#############################################################################
2283	# the server's init and main functions	3461	# the server's init and main functions
2284		3462
		3463	sub load_facedata($) {
		3464	my ($path) = @_;
		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
		3472	trace "loading facedata from $path\n";
		3473
		3474	my $facedata = decode_storable load_file $path;
		3475
		3476	$facedata->{version} == 2
		3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
		3488	{
		3489	my $faces = $facedata->{faceinfo};
		3490
		3491	while (my ($face, $info) = each %$faces) {
		3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
		3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
		3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
		3501	}
		3502
		3503	while (my ($face, $info) = each %$faces) {
		3504	next unless $info->{smooth};
		3505
		3506	my $idx = cf::face::find $face
		3507	or next;
		3508
		3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
		3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
		3550	1
		3551	}
		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
2285	sub load_resources {	3561	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3577	or die "unable to load regions file\n";
2288	}
2289		3578
2290	sub cfg_load {	3579	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3580	$_->{match} = qr/$_->{match}/
2292	or return;	3581	if exists $_->{match};
		3582	}
		3583	}
2293		3584
2294	local $/;	3585	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
2296		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
		3620	sub reload_resources {
		3621	trace "reloading resource files...\n";
		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
		3628	reload_regions;
		3629	reload_treasures;
		3630
		3631	trace "finished reloading resource files\n";
		3632	}
		3633
		3634	sub reload_config {
		3635	trace "reloading config file...\n";
		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3642
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3645
2302	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2306	};	3650	};
2307	warn $@ if $@;	3651	warn $@ if $@;
2308	}	3652	}
2309	}	3653	}
2310		3654
2311	sub init {	3655	sub pidfile() {
2312	load_resources;	3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3681	}
2314		3682
2315	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2316	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3696	(async {
2320	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2322	};	3700	};
2323		3701
2324	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
		3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2326	load_extensions;	3725	load_extensions;
2327		3726
2328	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2330	}	3745	}
2331		3746
2332	#############################################################################	3747	#############################################################################
2333	# initialisation and cleanup	3748	# initialisation and cleanup
2334		3749
2335	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2336	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2345	},
2346	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2347	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2348	}	3846	}
2349		3847
2350	sub emergency_save() {	3848	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2352		3850
2353	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2354		3857
2355	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2356	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3869	$pl->save;
2364	}	3870	}
2365	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2366		3872
2367	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3878	$map->valid or next;
2371	$map->save;	3879	$map->save;
2372	}	3880	}
2373	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
		3886	BDB::db_env_txn_checkpoint $DB_ENV;
		3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3911	};
2375		3912
2376	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2377	}	3914	}
2378		3915
		3916	sub post_cleanup {
		3917	my ($make_core) = @_;
		3918
		3919	IO::AIO::flush;
		3920
		3921	error Carp::longmess "post_cleanup backtrace"
		3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
2379	sub reload() {	3953	sub do_reload_perl() {
2380	# can/must only be called in main	3954	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2382	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2383	return;	3957	return;
2384	}	3958	}
2385		3959
2386	warn "reloading...";	3960	return if $RELOAD++;
2387		3961
2388	warn "cancelling server ticker";	3962	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
		3970	cf::sync_job {
2391	cf::emergency_save;	3971	#cf::emergency_save;
2392		3972
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3975	%EXT_CORO = ();
2415		3976
2416	warn "removing commands";	3977	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3978	%COMMAND = ();
2418		3979
2419	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2421		3983
2422	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2425		3987
2426	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3989	eval {
2428	$cb->($pkg);	3990	$cb->($pkg);
2429	1	3991	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2431	}	3997	}
2432		3998
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4002
2441	warn "... unloading $k";	4003	trace "... unloading $k";
2442	delete $INC{$k};	4004	delete $INC{$k};
2443		4005
2444	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2446		4008
2447	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2449	}	4014	}
2450		4015
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4019
2458	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4023
2461	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4025	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2464		4027
2465	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2466		4029
2467	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2468	require cf;	4031	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2470		4033
2471	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4035	cf::reload_config;
2473	cf::db_load;
2474		4036
2475	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4038	cf::load_extensions;
2477		4039
		4040	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4042	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
		4045	trace "perl_reload: reattaching attachments to players";
		4046	reattach $_ for values %PLAYER;
		4047	}
2482		4048
2483	warn "loading reloadable resources";	4049	cf::_post_init 1;
2484	load_resources;
2485		4050
2486	warn "restarting server ticker";	4051	trace "perl_reload: leaving sync_job";
2487		4052
2488	$TICK_WATCHER->start;	4053	1
		4054	} or do {
		4055	error $@;
		4056	cf::cleanup "perl_reload: error, exiting.";
		4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2489	};	4079	};
2490		4080	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4081
2502	register_command "reload" => sub {	4082	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2504		4084
2505	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2507		4087	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4089	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4090	};
2520	}	4091	}
2521	};	4092	};
2522		4093
2523	unshift @INC, $LIBDIR;	4094	#############################################################################
2524		4095
2525	my $bug_warning = 0;	4096	my $bug_warning = 0;
2526		4097
2527	$TICK_WATCHER = Event->timer (	4098	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4099	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4100
2530	prio => 0,	4101	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4103
2533	cb => sub {	4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
2534	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2537	return;	4121	return;
2538	}	4122	}
2539		4123
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4125
2546	$WAIT_FOR_TICK->broadcast;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4127
2549	Event::sweep;	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
		4132	write_runtime_sync
		4133	or error "ERROR: unable to write runtime file: $!";
		4134	};
		4135	}
		4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
2551		4152	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4153	}
2561	);	4154	}
2562		4155
2563	{	4156	{
2564	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4158
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2574		4160	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4162
2590	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4170
2593	cf::sync_job {	4171	cf::sync_job {
		4172	eval {
2594	BDB::db_env_open	4173	BDB::db_env_open
2595	$DB_ENV,	4174	$DB_ENV,
2596	$BDB_ENV_DIR,	4175	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4178	0666;
2600		4179
2601	cf::cleanup "$!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4181	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4182
2604	$DB_ENV->set_lk_detect;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4184	};
2606	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2607	}	4196	}
2608		4197
2609	{	4198	{
		4199	# configure IO::AIO
		4200
2610	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4204	}
2623		4205
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4206	our $_log_backtrace;
2625	reentrant => 0,	4207	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4208
2627	after => 1,	4209	sub _log_backtrace {
2628	interval => 10,	4210	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4211
2630	cb => Coro::unblock_sub {	4212	$msg =~ s/\n$//;
2631	write_runtime	4213
2632	or warn "ERROR: unable to write runtime file: $!";	4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4250	}
2634	);	4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2635		4256
2636	END { cf::emergency_save }	4257	END { cf::emergency_save }
2637		4258
2638	1	4259	1
2639		4260

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