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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
62	our $NOW;	138	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		139
65	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		143
82	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
85	binmode STDOUT;	160	binmode STDOUT;
86	binmode STDERR;	161	binmode STDERR;
87		162
88	# read virtual server time, if available	163	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
93	}	168	}
94		169
95	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	171
97	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		174
102	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
103		176
104	sub cf::map::normalise;	177	sub cf::map::normalise;
105		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
106	#############################################################################	183	#############################################################################
107		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
108	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
109		197
110	=over 4	198	=over 4
111		199
112	=item $cf::UPTIME	200	=item $cf::UPTIME
113		201
114	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
115		218
116	=item $cf::RUNTIME	219	=item $cf::RUNTIME
117		220
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	222	every server tick.
120		223
121	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		227
123	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
125		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
126	=item $cf::NOW	239	=item $cf::LOAD
127		240
128	The time of the last (current) server tick.	241	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		242
134	=item %cf::CFG	243	=item %cf::CFG
135		244
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	246	from wherever your confdir points to.
138		247
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		249
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
145		282
146	=back	283	=back
147		284
148	=cut	285	=cut
149		286
150	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	294	my $msg = join "", @_;
153	utf8::encode $msg;
154		295
155	$msg .= "\n"	296	$msg .= "\n"
156	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
157		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
158	LOG llevError, $msg;	301	LOG llevWarn, $msg;
159	};	302	};
160	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
161		317
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		325
169	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	327	# within the Safe compartment.
171	for my $pkg (qw(	328	for my $pkg (qw(
172	cf::global cf::attachable	329	cf::global cf::attachable
173	cf::object cf::object::player	330	cf::object cf::object::player
174	cf::client cf::player	331	cf::client cf::player
175	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
176	cf::map cf::party cf::region	334	cf::party cf::region
177	)) {	335	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	337	}
181		338
182	$Event::DIED = sub {	339	$EV::DIED = sub {
183	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
184	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
185		349
186	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
187		351
188	=over 4	352	=over 4
189		353
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	373	$d
210	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
211	}	375	}
212		376
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
214		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
215	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
216		392
217	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
218		394
219	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
220		396
221	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
222		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
223	=item cf::lock_wait $string	468	=item cf::lock_wait $string
224		469
225	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
226		471
227	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
228		473
229	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
232	returned.	477	returned.
233		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
234	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
236		484
237	=cut	485	=item $locked = cf::lock_active $string
238		486
239	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
240		492
241	sub lock_wait($) {	493	sub lock_wait($) {
242	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	495	}
250		496
251	sub lock_acquire($) {	497	sub lock_acquire($) {
252	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
253		500
254	# wait, to be sure we are not locked	501	sub lock_active($) {
255	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	503	}
264		504
265	sub freeze_mainloop {	505	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
267		507
268	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
270	};	578	}
271	$TICK_WATCHER->stop;	579	};
272	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
273	}	594	}
274		595
275	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
276		597
277	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		603
283	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
284		605
285	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
286		607
287	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
290		612
291	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
294	fast or be very important.	616	fast or be very important.
…		…
296	=cut	618	=cut
297		619
298	sub sync_job(&) {	620	sub sync_job(&) {
299	my ($job) = @_;	621	my ($job) = @_;
300		622
301	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
302	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
304		628
305	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	630
307	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
308		632
309	my $busy = 1;	633	my $busy = 1;
310	my @res;	634	my @res;
311		635
312	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	638	@res = eval { $job->() };
314	warn $@ if $@;	639	error $@ if $@;
315	undef $busy;	640	undef $busy;
316	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
317		642
318	while ($busy) {	643	while ($busy) {
319	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
320	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
321		654
322	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
323	} else {	656	} else {
324	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
325		658
…		…
345	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
346		679
347	$coro	680	$coro
348	}	681	}
349		682
350	sub write_runtime {	683	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		684
353	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
354		689
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
356	or return;
357		691
358	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
360	# 60 allows for the watchdog to kill the server.	694	}
361		695
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
363	and return;	697	my ($cb, @args) = @_;
364		698
365	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
367	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
368		702
369	close $fh	703	my @res = Coro::Util::fork_eval {
370	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
371		707
372	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
373	and return;	709	}
374		710
		711	sub objinfo {
375	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
376	}	875	}
377		876
378	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
379		878
380	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
381		880
382	=cut	881	=cut
383		882
384	sub datalog($@) {	883	sub datalog($@) {
385	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	886	}
388		887
389	=back	888	=back
390		889
391	=cut	890	=cut
392		891
393	#############################################################################	892	#############################################################################
394		893
395	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
396		895
397	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
400		899
401	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	902	Deliantra).
404		903
405	=over 4	904	=over 4
406		905
407	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
408		907
…		…
452	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
453		952
454	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
456		955
457	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
459		958
460	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
461		960
462	=over 4	961	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
572		1071
573	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1076
578	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
580		1079
581	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
586		1085
587	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1088
590	} elsif (ref $type) {	1089	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
592		1091
593	} else {	1092	} else {
594	shift @arg;	1093	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
596	}	1095	}
597	}	1096	}
598	}	1097	}
599		1098
600	sub _object_attach {	1099	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
611	}	1110	}
612		1111
613	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
614	} else {	1113	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1115	}
617		1116
618	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
619	}	1118	}
620		1119
…		…
622	if (ref $_[0]) {	1121	if (ref $_[0]) {
623	_object_attach @_;	1122	_object_attach @_;
624	} else {	1123	} else {
625	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
626	}	1125	}
		1126	_recalc_want;
627	};	1127	};
628		1128
629	# all those should be optimised	1129	# all those should be optimised
630	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1135	reattach ($obj);
636	} else {	1136	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
638	}	1138	}
		1139	_recalc_want;
639	};	1140	};
640		1141
641	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
643		1144
…		…
658	";	1159	";
659	die if $@;	1160	die if $@;
660	}	1161	}
661		1162
662	our $override;	1163	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1165
665	sub override {	1166	sub override {
666	$override = 1;	1167	$override = 1;
667	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
668	}	1169	}
669		1170
670	sub do_invoke {	1171	sub do_invoke {
671	my $event = shift;	1172	my $event = shift;
672	my $callbacks = shift;	1173	my $callbacks = shift;
673		1174
674	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
675		1176
676	local $override;	1177	local $override;
677		1178
678	for (@$callbacks) {	1179	for (@$callbacks) {
679	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
680		1181
681	if ($@) {	1182	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1184	override;
685	}	1185	}
686		1186
687	return 1 if $override;	1187	return 1 if $override;
688	}	1188	}
689		1189
690	0	1190	0
691	}	1191	}
692		1192
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1194
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1196
697	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
698		1198
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1202
703	=back	1203	=back
704		1204
705	=cut	1205	=cut
706		1206
707	#############################################################################	1207	#############################################################################
708	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
709		1251
710	sub reattach {	1252	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1254	my ($obj) = @_;
713		1255
		1256	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1258
716	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
717		1260
718	@$registry = ();	1261	@$registry = ();
719		1262
…		…
724	for (@$attach) {	1267	for (@$attach) {
725	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
727	}	1270	}
728	} else {	1271	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1273	}
731	}	1274	}
732	}	1275	}
733		1276
734	cf::attachable->attach (	1277	cf::attachable->attach (
735	prio => -1000000,	1278	prio => -1000000,
736	on_instantiate => sub {	1279	on_instantiate => sub {
737	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
738		1281
739	$data = from_json $data;	1282	$data = decode_json $data;
740		1283
741	for (@$data) {	1284	for (@$data) {
742	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
743		1286
744	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1303	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
762		1305
763	sync_job {	1306	sync_job {
764	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
767		1312
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
772	close $fh;	1320	aio_close $fh;
773		1321
774	if (@$objs) {	1322	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
780	close $fh;	1331	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
782	}	1333	}
783	} else {	1334	} else {
784	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
785	}	1336	}
786		1337
787	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1342	} else {
789	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
790	}	1344	}
791	} else {	1345	} else {
792	aio_unlink $filename;	1346	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
794	}	1348	}
795	}	1349	};
796	}	1350	}
797		1351
798	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
800		1354
…		…
812	or return;	1366	or return;
813		1367
814	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
816	or return;	1370	or return;
		1371
817	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
818	}	1374	}
819		1375
		1376	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
822	return ($data, $av);	1381	($data, $av)
823	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
824		1389
825	#############################################################################	1390	#############################################################################
826	# command handling &c	1391	# command handling &c
827		1392
828	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1407	}
843		1408
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1410
846	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
847		1416
848	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
849	called.	1418	called.
850		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
851	=cut	1431	=cut
852		1432
853	sub register_extcmd {	1433	sub register_extcmd {
854	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
855		1435
856	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
857	}	1437	}
858		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
859	cf::player->attach (	1447	cf::player->attach (
860	on_command => sub {	1448	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
862		1450
863	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
864	or return;	1452	or return;
865		1453
…		…
870	cf::override;	1458	cf::override;
871	},	1459	},
872	on_extcmd => sub {	1460	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
874		1462
875	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1464
877	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
883	} else {	1480	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1482	}
886		1483
887	cf::override;	1484	cf::override;
888	},	1485	},
889	);	1486	);
890		1487
		1488	# "readahead" all extensions
891	sub load_extension {	1489	sub cache_extensions {
892	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
893		1491
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1495	}
919	die $@;
920	}	1496	};
921		1497
922	push @EXTS, $pkg;	1498	$grp
923	}	1499	}
924		1500
925	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
926	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1508	next unless -r $path;
928	eval {	1509
929	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
930	1	1573	}
931	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
932	}	1586	};
933	}	1587	}
934		1588
935	#############################################################################	1589	#############################################################################
936		1590
		1591	=back
		1592
937	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
938		1594
939	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
940		1596
941	=cut	1597	=cut
942		1598
943	package cf::player;	1599	package cf::player;
944		1600
…		…
946		1602
947	=head3 cf::player	1603	=head3 cf::player
948		1604
949	=over 4	1605	=over 4
950		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
951	=item cf::player::find $login	1621	=item cf::player::find $login
952		1622
953	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
954		1624
955	=cut	1625	=cut
956		1626
957	sub playerdir($) {	1627	sub playerdir($) {
958	cf::localdir	1628	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1630	}
964		1631
965	sub path($) {	1632	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1634
968	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
969	}	1636	}
970		1637
971	sub find_active($) {	1638	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
976		1643
977	sub exists($) {	1644	sub exists($) {
978	my ($login) = @_;	1645	my ($login) = @_;
979		1646
980	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
982	}	1649	}
983		1650
984	sub find($) {	1651	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1653	my $login = $_[0];
987		1654
988	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
989		1656
990	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
992	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
994	}	1674	}
995	}	1675	}
996	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
997		1690
998	sub save($) {	1691	sub save($) {
999	my ($pl) = @_;	1692	my ($pl) = @_;
1000		1693
1001	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1007		1700
1008	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1010		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1011	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1012	Coro::cede;	1710	cf::cede_to_tick;
1013	}	1711	}
1014		1712
1015	sub new($) {	1713	sub new($) {
1016	my ($login) = @_;	1714	my ($login) = @_;
1017		1715
…		…
1023	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1024		1722
1025	$self	1723	$self
1026	}	1724	}
1027		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1028	=item $pl->quit_character	1736	=item $pl->quit_character
1029		1737
1030	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1032		1740
…		…
1036	my ($pl) = @_;	1744	my ($pl) = @_;
1037		1745
1038	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1039		1747
1040	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1750
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1046	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1047		1759
1048	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1080		1792
1081	=cut	1793	=cut
1082		1794
1083	sub list_logins {	1795	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1797	or return [];
1086		1798
1087	my @logins;	1799	my @logins;
1088		1800
1089	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1093		1811
1094	utf8::decode $login;	1812	utf8::decode $login;
1095	push @logins, $login;	1813	push @logins, $login;
1096	}	1814	}
1097		1815
1098	\@logins	1816	\@logins
1099	}	1817	}
1100		1818
1101	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1102		1822
1103	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1104	player. May block.	1824	player. May block.
1105		1825
1106	=cut	1826	=cut
…		…
1124	}	1844	}
1125		1845
1126	\@paths	1846	\@paths
1127	}	1847	}
1128		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1129	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1130		1854
1131	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1132		1856
1133	=cut	1857	=cut
1134		1858
1135	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1137		1861
1138	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1863	}
1142		1864
1143	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1144		1866
1145	Sends an ext event to the client.	1867	Sends an ext event to the client.
1146		1868
1147	=cut	1869	=cut
1148		1870
1149	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1151		1873
1152	delete $msg{msgid};	1874	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1875	}
1158		1876
1159	package cf;	1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1160		1907
1161	=back	1908	=back
1162
1163		1909
1164	=head3 cf::map	1910	=head3 cf::map
1165		1911
1166	=over 4	1912	=over 4
1167		1913
…		…
1179	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1181		1927
1182	sub generate_random_map {	1928	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1184	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1185	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1197	)
1198	}	1934	}
1199		1935
1200	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1201		1937
1202	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1207		1943
1208	sub register {	1944	sub register {
1209	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	1946	my $pkg = caller;
1211		1947
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		1949
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	1951	}
1217		1952
1218	# also paths starting with '/'	1953	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		1955
1221	sub thawer_merge {	1956	sub thawer_merge {
1222	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1223		1958
1224	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1225	local $self->{path};	1960	local $self->{path};
1226	local $self->{load_path};	1961	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1962
1230	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1231	}	1964	}
1232		1965
1233	sub normalise {	1966	sub normalise {
1234	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1235		1968
1236	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1237		1970
1238	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1239		1972
1240	# map plan:	1973	# map plan:
1241	#	1974	#
…		…
1256	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1257	$path = "$base/$path";	1990	$path = "$base/$path";
1258	}	1991	}
1259		1992
1260	for ($path) {	1993	for ($path) {
1261	redo if s{//}{/};
1262	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1263	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1264	}	1996	}
1265		1997
1266	$path	1998	$path
…		…
1280	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1281	return $self;	2013	return $self;
1282	}	2014	}
1283	}	2015	}
1284		2016
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	2018	()
1287	}	2019	}
1288		2020
		2021	# may re-bless or do other evil things
1289	sub init {	2022	sub init {
1290	my ($self) = @_;	2023	my ($self) = @_;
1291		2024
1292	$self	2025	$self
1293	}	2026	}
…		…
1305		2038
1306	# the original (read-only) location	2039	# the original (read-only) location
1307	sub load_path {	2040	sub load_path {
1308	my ($self) = @_;	2041	my ($self) = @_;
1309		2042
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1311	}	2044	}
1312		2045
1313	# the temporary/swap location	2046	# the temporary/swap location
1314	sub save_path {	2047	sub save_path {
1315	my ($self) = @_;	2048	my ($self) = @_;
1316		2049
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1319	}	2052	}
1320		2053
1321	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1322	sub uniq_path {	2055	sub uniq_path {
1323	my ($self) = @_;	2056	my ($self) = @_;
1324		2057
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1327	}	2060	}
1328		2061
1329	# and all this just because we cannot iterate over	2062	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	2063	my ($self) = @_;
1333		2064
1334	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1336	}	2068	}
1337		2069
1338	sub unlink_save {	2070	sub unlink_save {
1339	my ($self) = @_;	2071	my ($self) = @_;
1340		2072
…		…
1345		2077
1346	sub load_header_from($) {	2078	sub load_header_from($) {
1347	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1348		2080
1349	utf8::encode $path;	2081	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	2083	or return;
1355		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1356	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1357		2092
1358	1	2093	1
1359	}	2094	}
1360		2095
		2096	# used to laod the header of an original map
1361	sub load_header_orig {	2097	sub load_header_orig {
1362	my ($self) = @_;	2098	my ($self) = @_;
1363		2099
1364	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1365	}	2101	}
1366		2102
		2103	# used to laod the header of an instantiated map
1367	sub load_header_temp {	2104	sub load_header_temp {
1368	my ($self) = @_;	2105	my ($self) = @_;
1369		2106
1370	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1371	}	2108	}
1372		2109
		2110	# called after loading the header from an instantiated map
1373	sub prepare_temp {	2111	sub prepare_temp {
1374	my ($self) = @_;	2112	my ($self) = @_;
1375		2113
1376	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1377	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1378	# safety	2116	# safety
1379	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1380	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1381	}	2119	}
1382		2120
		2121	# called after loading the header from an original map
1383	sub prepare_orig {	2122	sub prepare_orig {
1384	my ($self) = @_;	2123	my ($self) = @_;
1385		2124
1386	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1387	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1398	$self->load_header_orig	2137	$self->load_header_orig
1399	or return;	2138	or return;
1400	$self->prepare_orig;	2139	$self->prepare_orig;
1401	}	2140	}
1402		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1403	1	2148	1
1404	}	2149	}
1405		2150
1406	sub find;	2151	sub find;
1407	sub find {	2152	sub find {
1408	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1409		2154
		2155	cf::cede_to_tick;
		2156
1410	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1411		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2161
1414	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1417	or return;	2164	or return;
1418		2165
1419	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1420		2167
1421	$map->load_header	2168	$map->load_header
1422	or return;	2169	or return;
1423		2170
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1427	$map->reset;	2176	$map->reset;
1428	undef $guard;
1429	return find $path;	2177	return find $path;
1430	}	2178	}
1431		2179
1432	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1433	}	2181	}
1434	}	2182	}
1435		2183
1436	sub pre_load { }	2184	sub pre_load { }
1437	sub post_load { }	2185	#sub post_load { } # XS
1438		2186
1439	sub load {	2187	sub load {
1440	my ($self) = @_;	2188	my ($self) = @_;
1441		2189
1442	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1443		2191
1444	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1446		2196
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1448		2199
1449	$self->in_memory (cf::MAP_LOADING);
1450
1451	$self->alloc;	2200	$self->alloc;
1452		2201
1453	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1454		2204
1455	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1456	or return;	2209	or return;
1457		2210
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1459	if delete $self->{load_original};	2212	if delete $self->{load_original};
1460		2213
1461	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2215	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2218	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1466	}	2223	}
1467	}
1468		2224
1469	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1470		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1471	# now do the right thing for maps	2234	# now do the right thing for maps
1472	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2237	unless $self->difficulty;
1482	Coro::cede;	2238	cf::cede_to_tick;
1483	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1484	}	2251	}
1485		2252
1486	$self->post_load;	2253	$self->post_load;
1487		2254
1488	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1489	}	2256	}
1490		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2261	sub customise_for {
1492	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1493		2263
1494	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2265	if $self->per_player;
1496		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1497	$self	2270	$self
1498	}	2271	}
1499		2272
1500	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2274	sub load_neighbours {
1502	my ($map) = @_;	2275	my ($map) = @_;
1503		2276
1504	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1505		2278
1506	for (0 .. 3) {	2279	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1508	or next;	2281	or next;
1509	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1510	or next;	2283	or next;
1511	$neigh->load;	2284	$neigh->load;
1512		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2290	}
1516		2291
1517	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1519	or next;	2295	or next;
1520	$neigh->load;	2296	$neigh->load;
1521	}	2297	}
1522	}	2298	}
1523		2299
1524	sub find_sync {	2300	sub find_sync {
1525	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1526		2302
1527	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1528	}	2308	}
1529		2309
1530	sub do_load_sync {	2310	sub do_load_sync {
1531	my ($map) = @_;	2311	my ($map) = @_;
1532		2312
1533	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1534	}	2318	}
1535		2319
1536	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1538		2322
1539	sub find_async {	2323	sub find_async {
1540	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1541		2325
1542	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1543		2327
1544	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1546	}	2330	}
1547		2331
1548	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1549	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1550	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2339	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2340	$map->load if $v;
		2341	}
1555		2342
1556	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1557	}	2344	}
1558	}	2345	}
1559	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1560	};	2347	};
1561	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1562		2349
1563	()	2350	()
1564	}	2351	}
1565		2352
		2353	# common code, used by both ->save and ->swapout
1566	sub save {	2354	sub _save {
1567	my ($self) = @_;	2355	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2356
1571	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1572		2358
1573	return unless $self->dirty;	2359	return unless $self->dirty;
1574		2360
…		…
1580	return if $self->{deny_save};	2366	return if $self->{deny_save};
1581		2367
1582	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1583		2369
1584	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1586	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1587		2376
1588	if ($uniq) {	2377	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2380	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2382	}
1594	}	2383	}
1595		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1596	sub swap_out {	2393	sub swap_out {
1597	my ($self) = @_;	2394	my ($self) = @_;
1598		2395
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1604	return if $self->players;	2400	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1608	$self->clear;	2411	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2412	}
1611		2413
1612	sub reset_at {	2414	sub reset_at {
1613	my ($self) = @_;	2415	my ($self) = @_;
1614		2416
1615	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1618		2419
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2422
…		…
1632	my ($self) = @_;	2433	my ($self) = @_;
1633		2434
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2436
1636	return if $self->players;	2437	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2438
1639	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
1640		2440
1641	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
1642		2442
1643	# need to save uniques path	2443	# need to save uniques path
1644	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
1645	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
1646		2446
…		…
1648	if $uniq;	2448	if $uniq;
1649	}	2449	}
1650		2450
1651	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1652		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2455	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2456
1657	$self->unlink_save;	2457	$self->unlink_save;
1658	$self->destroy;	2458	$self->destroy;
1659	}	2459	}
1660		2460
1661	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1662		2462
1663	sub nuke {	2463	sub nuke {
1664	my ($self) = @_;	2464	my ($self) = @_;
1665		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1666	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1667		2470
1668	$self->unlink_save;	2471	$self->unlink_save;
1669		2472
1670	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2478
1676	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1677		2481
1678	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1679	}	2519	}
1680		2520
1681	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1682		2522
1683	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2524	instantiated unique items. May block.
1685		2525
1686	=cut	2526	=cut
1687		2527
1688	sub unique_maps() {	2528	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2529	[
1690	or return;	2530	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2531	utf8::decode $_;
1696	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2534	? ()
1699	push @paths, cf::map::normalise $_;	2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2537	]
1701
1702	\@paths
1703	}	2538	}
1704		2539
1705	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
1706		2571
1707	=back	2572	=back
1708		2573
1709	=head3 cf::object	2574	=head3 cf::object
1710		2575
…		…
1714		2579
1715	=over 4	2580	=over 4
1716		2581
1717	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1718		2583
1719	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1720		2586
1721	=cut	2587	=cut
1722		2588
1723	sub inv_recursive_;	2589	sub inv_recursive_;
1724	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1727		2593
1728	sub inv_recursive {	2594	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1730	}	2596	}
1731		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1732	package cf;	2626	package cf;
1733		2627
1734	=back	2628	=back
1735		2629
1736	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1745		2639
1746	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1747		2655
1748	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2657	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1753		2661
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2663
1756	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1758	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1761	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1762	}	2689	}
1763		2690
1764	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1765		2692
1766	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1779		2706
1780	=item $player_object->enter_link	2707	=item $player_object->enter_link
1781		2708
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2710
1784	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1786		2715
1787	Will never block.	2716	Will never block.
1788		2717
1789	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1790		2719
…		…
1810	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2740	my ($self) = @_;
1812		2741
1813	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1814		2743
		2744	++$self->{_link_recursion};
		2745
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2747
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1819		2750
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2752	}
1822		2753
1823	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1825		2758
1826	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1827		2760
1828	unless ($map) {	2761	unless ($map) {
1829	# restore original map position	2762	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1842		2775
1843	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1846		2779
1847	$map->load;	2780	$map->load;
1848	$map->load_diag;	2781	$map->load_neighbours;
1849		2782
1850	return unless $self->contr->active;	2783	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2784
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
1855	}	2787	# entering was successful
1856		2788	delete $self->{_link_recursion};
1857	cf::player->attach (	2789	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2790	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2791	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2792
1871	# try to abort aborted map switching on player login :)	2793	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2794
1889	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1891	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1892		2809
1893	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2821
1896	$self->enter_link;	2822	$self->enter_link;
1897		2823
1898	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
1899	my $map = eval {	2846	my $map = eval {
1900	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
		2852	} else {
		2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
		2855
1902	$map	2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2862	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1907	})->prio (1);	2870	})->prio (1);
1908	}	2871	}
1909		2872
1910	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1911		2874
…		…
1931	}	2894	}
1932		2895
1933	sub prepare_random_map {	2896	sub prepare_random_map {
1934	my ($exit) = @_;	2897	my ($exit) = @_;
1935		2898
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2901	# that depends on the exit object
1941		2902
1942	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2905	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
1949	}	2912	}
1950		2913
1951	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
1952		2915
1953	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
1956		2919
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2922	undef $fh;
1960	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
1961		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
1964	}	2931	}
1965	}	2932	}
1966		2933
1967	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
1969		2936
1970	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
1971		2938
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2939	$self->enter_link;
1982		2940
1983	(async {	2941	(async {
1984	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
1985	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
1986	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
1987		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
1988	1;	2980	1
1989	}) {	2981	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2986
1995	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	2988	$self->leave_link;
1997	}	2989	}
1998	})->prio (1);	2990	})->prio (1);
1999	}	2991	}
2000		2992
…		…
2014		3006
2015	utf8::encode $text;	3007	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	3009	}
2018		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
		3198	=item $client->ext_msg ($type, @msg)
		3199
		3200	Sends an ext event to the client.
		3201
		3202	=cut
		3203
		3204	sub cf::client::ext_msg($$@) {
		3205	my ($self, $type, @msg) = @_;
		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
		3210	push @msg, msgtype => "event_$type";
		3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
		3231	}
2019		3232
2020	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2021		3234
2022	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3238
2026	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3240	become reliable at some point in the future.
2028		3241
2029	=cut	3242	=cut
2030		3243
2031	sub cf::client::query {	3244	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3253	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3255
2043	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
2045	}	3260	}
2046		3261
2047	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
2048	on_reply => sub {	3268	on_reply => sub {
2049	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
2050		3270
2051	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
2052	# get handled first	3272	# get handled first
…		…
2064	} else {	3284	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3286	}
2067	}	3287	}
2068	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
2069	);	3315	);
2070		3316
2071	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
2072		3318
2073	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3335
2090	$coro	3336	$coro
2091	}	3337	}
2092		3338
2093	cf::client->attach (	3339	cf::client->attach (
2094	on_destroy => sub {	3340	on_client_destroy => sub {
2095	my ($ns) = @_;	3341	my ($ns) = @_;
2096		3342
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3344	},
2099	);	3345	);
…		…
2114	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2116		3362
2117	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2118		3364
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2120		3370
2121	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2122		3372
2123	=pod	3373	=pod
2124		3374
2125	The following functions and methods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2126		3376
2127	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2128	cf::object::player player	3382	cf::object::player
2129	cf::player peaceful	3383	player
2130	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2131		3390
2132	=cut	3391	=cut
2133		3392
2134	for (	3393	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2139	) {	3400	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3403	for @funs;
2144	}	3404	}
2145		3405
…		…
2160		3420
2161	my $qcode = $code;	3421	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2164		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2165	local $_;	3428	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3429
2168	my $eval =	3430	my $eval =
2169	"do {\n"	3431	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3434	. $code
2173	. "\n}"	3435	. "\n}"
2174	;	3436	;
2175		3437
		3438	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2179		3447
2180	if ($@) {	3448	if ($@) {
2181	warn "$@";	3449	warn "$@",
2182	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2184	}	3452	}
2185		3453
2186	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2187	}	3455	}
2188		3456
…		…
2202	=cut	3470	=cut
2203		3471
2204	sub register_script_function {	3472	sub register_script_function {
2205	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2206		3474
2207	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2209	}	3477	}
2210		3478
2211	=back	3479	=back
2212		3480
2213	=cut	3481	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3482
2287	#############################################################################	3483	#############################################################################
2288	# the server's init and main functions	3484	# the server's init and main functions
2289		3485
2290	sub load_facedata {	3486	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3487	my ($path) = @_;
2292		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
		3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3494
2293	warn "loading facedata from $path\n";	3495	trace "loading facedata from $path\n";
2294		3496
2295	my $faces;	3497	my $facedata = decode_storable load_file $path;
2296	0 < aio_load $path, $faces
2297	or die "$path: $!";
2298		3498
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;
2301	Coro::cede;
2302
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3499	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3501
		3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3504	$facedata->{resource}{"res/exp_table"} = {
		3505	type => FT_RSRC,
		3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
		3508	};
		3509	cf::cede_to_tick;
		3510
		3511	{
		3512	my $faces = $facedata->{faceinfo};
		3513
2307	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516
		3517	cf::face::set_visibility $idx, $info->{visibility};
		3518	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;	3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2313	}
2314		3522
		3523	cf::cede_to_tick;
		3524	}
		3525
2315	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
2317	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
		3530	or next;
		3531
		3532	if (my $smooth = cf::face::find $info->{smooth}) {
		3533	cf::face::set_smooth $idx, $smooth;
		3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3535	} else {
		3536	error "smooth face '$info->{smooth}' not found for face '$face'";
		3537	}
		3538
		3539	cf::cede_to_tick;
		3540	}
		3541	}
		3542
		3543	{
		3544	my $anims = $facedata->{animinfo};
		3545
		3546	while (my ($anim, $info) = each %$anims) {
		3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	cf::anim::invalidate_all; # d'oh
		3552	}
		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3572
		3573	1
		3574	}
		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
		3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
		3599	load_resource_file "$MAPDIR/regions"
		3600	or die "unable to load regions file\n";
		3601
		3602	for (cf::region::list) {
		3603	$_->{match} = qr/$_->{match}/
		3604	if exists $_->{match};
		3605	}
		3606	}
		3607
		3608	sub reload_facedata {
		3609	load_facedata "$DATADIR/facedata"
		3610	or die "unable to load facedata\n";
		3611	}
		3612
		3613	sub reload_archetypes {
		3614	load_resource_file "$DATADIR/archetypes"
		3615	or die "unable to load archetypes\n";
		3616	}
		3617
		3618	sub reload_treasures {
		3619	load_resource_file "$DATADIR/treasures"
		3620	or die "unable to load treasurelists\n";
		3621	}
		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
2318	or next;	3630	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
2328	}	3641	}
2329		3642
2330	sub reload_resources {	3643	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3644	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3645
		3646	reload_exp_table;
		3647	reload_materials;
2333	load_facedata	3648	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3649	reload_sound;
2335	}	3650	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3651	reload_regions;
2339	}	3652	reload_treasures;
2340		3653
2341	sub cfg_load {	3654	trace "finished reloading resource files\n";
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3655	}
2343	or return;
2344		3656
2345	local $/;	3657	sub reload_config {
2346	*CFG = YAML::Syck::Load <$fh>;	3658	trace "reloading config file...\n";
2347		3659
		3660	my $config = load_file "$CONFDIR/config";
		3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
		3663
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3665
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3668
2353	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2357	};	3673	};
2358	warn $@ if $@;	3674	warn $@ if $@;
2359	}	3675	}
2360	}	3676	}
2361		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
2362	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2363	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3719	(async {
2367	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2369	};	3723	};
2370		3724
2371	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
2372	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2373	load_extensions;	3748	load_extensions;
2374		3749
2375	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2377	}	3768	}
2378		3769
2379	#############################################################################	3770	#############################################################################
2380	# initialisation and cleanup	3771	# initialisation and cleanup
2381		3772
2382	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2383	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2392	},
2393	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2394	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2395	}	3869	}
2396		3870
2397	sub emergency_save() {	3871	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2399		3873
2400	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2401		3880
2402	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2403	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3892	$pl->save;
2411	}	3893	}
2412	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2413		3895
2414	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3901	$map->valid or next;
2418	$map->save;	3902	$map->save;
2419	}	3903	}
2420	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2421		3905
2422	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3934	};
2426		3935
2427	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2428	}	3937	}
2429		3938
2430	sub post_cleanup {	3939	sub post_cleanup {
2431	my ($make_core) = @_;	3940	my ($make_core) = @_;
2432		3941
		3942	IO::AIO::flush;
		3943
2433	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3945	if $make_core;
2435	}
2436		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2437	sub reload() {	3976	sub do_reload_perl() {
2438	# can/must only be called in main	3977	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2440	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2441	return;	3980	return;
2442	}	3981	}
2443		3982
2444	warn "reloading...";	3983	return if $RELOAD++;
2445		3984
2446	warn "entering sync_job";	3985	my $t1 = AE::time;
2447		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2448	cf::sync_job {	3993	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	3994	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		3995
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	3998	%EXT_CORO = ();
2477		3999
2478	warn "removing commands";	4000	trace "perl_reload: removing commands";
2479	%COMMAND = ();	4001	%COMMAND = ();
2480		4002
2481	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2482	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2483		4006
2484	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2487		4010
2488	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2489	eval {	4012	eval {
2490	$cb->($pkg);	4013	$cb->($pkg);
2491	1	4014	1
2492	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2493	}	4020	}
2494		4021
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		4025
2503	warn "... unloading $k";	4026	trace "... unloading $k";
2504	delete $INC{$k};	4027	delete $INC{$k};
2505		4028
2506	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2508		4031
2509	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2511	}	4037	}
2512		4038
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		4042
2520	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		4046
2523	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2524	# and global variables created in xs	4048	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2526		4050
2527	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2528		4052
2529	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2530	require cf;	4054	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2532		4056
2533	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2534	cf::cfg_load;	4058	cf::reload_config;
2535		4059
2536	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2537	cf::load_extensions;	4061	cf::load_extensions;
2538		4062
		4063	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2542	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2545		4071
2546	warn "loading reloadable resources";	4072	cf::_post_init 1;
2547	reload_resources;
2548		4073
2549	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2550		4075
2551	1	4076	1
2552	} or do {	4077	} or do {
2553	warn $@;	4078	error $@;
2554	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2555	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2556	};	4102	};
2557		4103	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		4104
2563	register_command "reload" => sub {	4105	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2565		4107
2566	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2568		4110	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4112	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4113	};
2581	}	4114	}
2582	};	4115	};
2583		4116
2584	unshift @INC, $LIBDIR;	4117	#############################################################################
2585		4118
2586	my $bug_warning = 0;	4119	my $bug_warning = 0;
2587		4120
2588	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2589	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2590	parked => 1,	4123
2591	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2592	at => $NEXT_TICK || $TICK,	4125	}
2593	data => WF_AUTOCANCEL,	4126
2594	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2595	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2598	return;	4139	return;
2599	}	4140	}
2600		4141
2601	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2602		4143
2603	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4145
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4150	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4152	};
		4153	}
2614		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2615	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617		4159
2618	# my $AFTER = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2619	# warn $AFTER - $NOW;#d#	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2620		4162
2621	# if we are delayed by four ticks or more, skip them all	4163	if (0) {
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4164	if ($NEXT_TICK) {
2623		4165	my $jitter = $TICK_START - $NEXT_TICK;
2624	$TICK_WATCHER->at ($NEXT_TICK);	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2625	$TICK_WATCHER->start;	4167	debug "jitter $JITTER\n";#d#
		4168	}
2626	},	4169	}
2627	);	4170	}
2628		4171
2629	{	4172	{
2630	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4174
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2640		4176	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4178
2656	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4186
2659	cf::sync_job {	4187	cf::sync_job {
2660	eval {	4188	eval {
2661	BDB::db_env_open	4189	BDB::db_env_open
2662	$DB_ENV,	4190	$DB_ENV,
2663	$BDB_ENV_DIR,	4191	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4194	0666;
2667		4195
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4197	};
2673		4198
2674	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4200	};
2676	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2677	}	4212	}
2678		4213
2679	{	4214	{
		4215	# configure IO::AIO
		4216
2680	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2693		4272
2694	END { cf::emergency_save }	4273	END { cf::emergency_save }
2695		4274
2696	1	4275	1
2697		4276

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