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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
21	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
22		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
23	use BDB ();	58	use BDB ();
24	use Data::Dumper;	59	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	60	use Fcntl;
27	use YAML::Syck ();	61	use YAML::XS ();
28	use IO::AIO 2.32 ();	62	use IO::AIO ();
29	use Time::HiRes;
30	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
31		67
32	# configure various modules to our taste	68	# configure various modules to our taste
33	#	69	#
34	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		78
38	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
39		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		81
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
46		85
47	our %COMMAND = ();	86	our %COMMAND = ();
48	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
49		88
50	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
54		96
55	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	98	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
58		101
59	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	103
61	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
64	our $NOW;	144	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		145
67	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		149
84	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
87	binmode STDOUT;	166	binmode STDOUT;
88	binmode STDERR;	167	binmode STDERR;
89		168
90	# read virtual server time, if available	169	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
95	}	174	}
96		175
97	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	177
99	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		180
104	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
105		182
106	sub cf::map::normalise;	183	sub cf::map::normalise;
107		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
108	#############################################################################	189	#############################################################################
109		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
110	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
111		203
112	=over 4	204	=over 4
113		205
114	=item $cf::UPTIME	206	=item $cf::UPTIME
115		207
116	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
117		224
118	=item $cf::RUNTIME	225	=item $cf::RUNTIME
119		226
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	228	every server tick.
122		229
123	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		233
125	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
127		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
128	=item $cf::NOW	245	=item $cf::LOAD
129		246
130	The time of the last (current) server tick.	247	The raw value load value from the last tick.
131
132	=item $cf::TICK
133
134	The interval between server ticks, in seconds.
135		248
136	=item %cf::CFG	249	=item %cf::CFG
137		250
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	252	from wherever your confdir points to.
140		253
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		255
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
145	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
146	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
147		289
148	=back	290	=back
149		291
150	=cut	292	=cut
151		293
152	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
153	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
154	my $msg = join "", @_;	301	my $msg = join "", @_;
155	utf8::encode $msg;
156		302
157	$msg .= "\n"	303	$msg .= "\n"
158	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
159		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
160	LOG llevError, $msg;	308	LOG llevWarn, $msg;
161	};	309	};
162	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
163		324
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		332
171	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	334	# within the Safe compartment.
173	for my $pkg (qw(	335	for my $pkg (qw(
174	cf::global cf::attachable	336	cf::global cf::attachable
175	cf::object cf::object::player	337	cf::object cf::object::player
176	cf::client cf::player	338	cf::client cf::player
177	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
178	cf::map cf::party cf::region	341	cf::party cf::region
179	)) {	342	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	344	}
183		345
184	$Event::DIED = sub {	346	$EV::DIED = sub {
185	warn "error in event callback: @_";	347	warn "error in event callback: $@";
186	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
187		356
188	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
189		358
190	=over 4	359	=over 4
191		360
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	380	$d
212	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
213	}	382	}
214		383
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
216		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
217	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
218		437
219	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
220		439
221	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
222		441
223	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
224		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
225	=item cf::lock_wait $string	513	=item cf::lock_wait $string
226		514
227	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
228		516
229	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
230		518
231	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
234	returned.	522	returned.
235		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
236	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
238		529
239	=cut	530	=item $locked = cf::lock_active $string
240		531
241	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
242		537
243	sub lock_wait($) {	538	sub lock_wait($) {
244	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	540	}
252		541
253	sub lock_acquire($) {	542	sub lock_acquire($) {
254	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
255		545
256	# wait, to be sure we are not locked	546	sub lock_active($) {
257	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	548	}
266		549
267	sub freeze_mainloop {	550	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
269		552
270	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
272	};	623	}
273	$TICK_WATCHER->stop;	624	};
274	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
275	}	639	}
276		640
277	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
278		642
279	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		648
285	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
286		650
287	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
288		652
289	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
292		657
293	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
296	fast or be very important.	661	fast or be very important.
…		…
298	=cut	663	=cut
299		664
300	sub sync_job(&) {	665	sub sync_job(&) {
301	my ($job) = @_;	666	my ($job) = @_;
302		667
303	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
304	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
306		673
307	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	675
309	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
310		677
311	my $busy = 1;	678	my $busy = 1;
312	my @res;	679	my @res;
313		680
314	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	683	@res = eval { $job->() };
316	warn $@ if $@;	684	error $@ if $@;
317	undef $busy;	685	undef $busy;
318	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
319		687
320	while ($busy) {	688	while ($busy) {
321	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
322	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
323		699
324	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
325	} else {	701	} else {
326	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
327		703
…		…
347	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
348		724
349	$coro	725	$coro
350	}	726	}
351		727
352	sub write_runtime {	728	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		729
355	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
356		734
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
358	or return;
359		736
360	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
362	# 60 allows for the watchdog to kill the server.	739	}
363		740
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
365	and return;	742	my ($cb, @args) = @_;
366		743
367	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	745	cf::post_fork;
369	and return;	746	&$cb
		747	} @args;
370		748
371	close $fh	749	wantarray ? @res : $res[-1]
372	or return;	750	}
373		751
374	aio_rename "$runtime~", $runtime	752	sub objinfo {
375	and return;
376
377	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
378	}	916	}
379		917
380	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
381		919
382	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
383		921
384	=cut	922	=cut
385		923
386	sub datalog($@) {	924	sub datalog($@) {
387	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	927	}
390		928
391	=back	929	=back
392		930
393	=cut	931	=cut
394		932
395	#############################################################################	933	#############################################################################
396		934
397	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
398		936
399	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
402		940
403	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	943	Deliantra).
406		944
407	=over 4	945	=over 4
408		946
409	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
410		948
…		…
454	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
455		993
456	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
458		996
459	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
461		999
462	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
463		1001
464	=over 4	1002	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
574		1112
575	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1117
580	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
582		1120
583	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
588		1126
589	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1129
592	} elsif (ref $type) {	1130	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
594		1132
595	} else {	1133	} else {
596	shift @arg;	1134	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
598	}	1136	}
599	}	1137	}
600	}	1138	}
601		1139
602	sub _object_attach {	1140	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
613	}	1151	}
614		1152
615	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
616	} else {	1154	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1156	}
619		1157
620	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
621	}	1159	}
622		1160
…		…
624	if (ref $_[0]) {	1162	if (ref $_[0]) {
625	_object_attach @_;	1163	_object_attach @_;
626	} else {	1164	} else {
627	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
628	}	1166	}
		1167	_recalc_want;
629	};	1168	};
630		1169
631	# all those should be optimised	1170	# all those should be optimised
632	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1176	reattach ($obj);
638	} else {	1177	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
640	}	1179	}
		1180	_recalc_want;
641	};	1181	};
642		1182
643	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
645		1185
…		…
660	";	1200	";
661	die if $@;	1201	die if $@;
662	}	1202	}
663		1203
664	our $override;	1204	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1206
667	sub override {	1207	sub override {
668	$override = 1;	1208	$override = 1;
669	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
670	}	1210	}
671		1211
672	sub do_invoke {	1212	sub do_invoke {
673	my $event = shift;	1213	my $event = shift;
674	my $callbacks = shift;	1214	my $callbacks = shift;
675		1215
676	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
677		1217
678	local $override;	1218	local $override;
679		1219
680	for (@$callbacks) {	1220	for (@$callbacks) {
681	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
682		1222
683	if ($@) {	1223	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1225	override;
687	}	1226	}
688		1227
689	return 1 if $override;	1228	return 1 if $override;
690	}	1229	}
691		1230
692	0	1231	0
693	}	1232	}
694		1233
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1235
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1237
699	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
700		1239
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1243
705	=back	1244	=back
706		1245
707	=cut	1246	=cut
708		1247
709	#############################################################################	1248	#############################################################################
710	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
711		1292
712	sub reattach {	1293	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1295	my ($obj) = @_;
715		1296
		1297	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1299
718	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
719		1301
720	@$registry = ();	1302	@$registry = ();
721		1303
…		…
726	for (@$attach) {	1308	for (@$attach) {
727	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
729	}	1311	}
730	} else {	1312	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1314	}
733	}	1315	}
734	}	1316	}
735		1317
736	cf::attachable->attach (	1318	cf::attachable->attach (
737	prio => -1000000,	1319	prio => -1000000,
738	on_instantiate => sub {	1320	on_instantiate => sub {
739	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
740		1322
741	$data = from_json $data;	1323	$data = decode_json $data;
742		1324
743	for (@$data) {	1325	for (@$data) {
744	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
745		1327
746	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1344	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
764		1346
765	sync_job {	1347	sync_job {
766	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
769		1353
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
774	close $fh;	1361	aio_close $fh;
775		1362
776	if (@$objs) {	1363	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
782	close $fh;	1372	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
784	}	1374	}
785	} else {	1375	} else {
786	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
787	}	1377	}
788		1378
789	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1383	} else {
791	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
792	}	1385	}
793	} else {	1386	} else {
794	aio_unlink $filename;	1387	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
796	}	1389	}
797	}	1390	};
798	}	1391	}
799		1392
800	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
802		1395
…		…
814	or return;	1407	or return;
815		1408
816	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
818	or return;	1411	or return;
		1412
819	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
820	}	1415	}
821		1416
		1417	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
824	return ($data, $av);	1422	($data, $av)
825	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
826		1430
827	#############################################################################	1431	#############################################################################
828	# command handling &c	1432	# command handling &c
829		1433
830	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
831		1435
832	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
833	$name.	1437	$name.
834		1438
835	=cut	1439	=cut
…		…
841	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
842		1446
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1448	}
845		1449
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
847		1451
848	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
849		1457
850	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
851	called.
852		1459
853	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
854		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
855	sub register_extcmd {	1482	sub register_extcmd($$) {
856	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
857		1484
858	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
859	}	1486	}
860		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
861	cf::player->attach (	1508	cf::player->attach (
862	on_command => sub {	1509	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
864		1511
865	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
866	or return;	1513	or return;
867		1514
…		…
872	cf::override;	1519	cf::override;
873	},	1520	},
874	on_extcmd => sub {	1521	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
876		1523
877	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1525
879	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
882	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
883	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
884	}	1547	}
		1548
885	} else {	1549	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1551	}
888		1552
889	cf::override;	1553	cf::override;
890	},	1554	},
891	);	1555	);
892		1556
		1557	# "readahead" all extensions
893	sub load_extension {	1558	sub cache_extensions {
894	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
895		1560
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1564	}
921	die $@;
922	}	1565	};
923		1566
924	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
925	}	1579	}
926		1580
927	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
928	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1590	next unless -r $path;
930	eval {	1591
931	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
932	1	1664	}
933	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
934	}	1677	};
935	}	1678	}
936		1679
937	#############################################################################	1680	#############################################################################
938		1681
		1682	=back
		1683
939	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
940		1685
941	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
942		1687
943	=cut	1688	=cut
944		1689
945	package cf::player;	1690	package cf::player;
946		1691
…		…
948		1693
949	=head3 cf::player	1694	=head3 cf::player
950		1695
951	=over 4	1696	=over 4
952		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
		1711
953	=item cf::player::find $login	1712	=item cf::player::find $login
954		1713
955	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
956		1715
957	=cut	1716	=cut
958		1717
959	sub playerdir($) {	1718	sub playerdir($) {
960	cf::localdir	1719	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1721	}
966		1722
967	sub path($) {	1723	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1734
979	sub exists($) {	1735	sub exists($) {
980	my ($login) = @_;	1736	my ($login) = @_;
981		1737
982	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
984	}	1740	}
985		1741
986	sub find($) {	1742	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1744	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
999		1755
1000	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1003	}	1765	}
1004	}	1766	}
1005	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1006		1781
1007	sub save($) {	1782	sub save($) {
1008	my ($pl) = @_;	1783	my ($pl) = @_;
1009		1784
1010	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1016		1791
1017	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1019		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1020	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1021	Coro::cede;	1801	cf::cede_to_tick;
1022	}	1802	}
1023		1803
1024	sub new($) {	1804	sub new($) {
1025	my ($login) = @_;	1805	my ($login) = @_;
1026		1806
…		…
1032	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1033		1813
1034	$self	1814	$self
1035	}	1815	}
1036		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1037	=item $pl->quit_character	1827	=item $pl->quit_character
1038		1828
1039	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1041		1831
…		…
1045	my ($pl) = @_;	1835	my ($pl) = @_;
1046		1836
1047	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1048		1838
1049	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1841
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1055	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1056		1850
1057	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1089		1883
1090	=cut	1884	=cut
1091		1885
1092	sub list_logins {	1886	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1888	or return [];
1095		1889
1096	my @logins;	1890	my @logins;
1097		1891
1098	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1102		1902
1103	utf8::decode $login;	1903	utf8::decode $login;
1104	push @logins, $login;	1904	push @logins, $login;
1105	}	1905	}
1106		1906
1107	\@logins	1907	\@logins
1108	}	1908	}
1109		1909
1110	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1111		1913
1112	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1113	player. May block.	1915	player. May block.
1114		1916
1115	=cut	1917	=cut
…		…
1133	}	1935	}
1134		1936
1135	\@paths	1937	\@paths
1136	}	1938	}
1137		1939
1138	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1139		1941
1140	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1141		1943
1142	=cut
1143
1144	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;
1146
1147	$msg{msgid} = $id;
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}
1151
1152	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1153		1945
1154	Sends an ext event to the client.	1946	Sends an ext event to the client.
1155		1947
1156	=cut	1948	=cut
1157		1949
1158	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1160		1952
1161	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1162	}	1954	}
1163		1955
1164	package cf;	1956	=head3 cf::region
		1957
		1958	=over 4
		1959
		1960	=cut
		1961
		1962	package cf::region;
		1963
		1964	=item cf::region::find_by_path $path
		1965
		1966	Tries to decuce the likely region for a map knowing only its path.
		1967
		1968	=cut
		1969
		1970	sub find_by_path($) {
		1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
		1975	my ($match, $specificity);
		1976
		1977	for my $region (list) {
		1978	if ($region->{match} && $path =~ $region->{match}) {
		1979	($match, $specificity) = ($region, $region->specificity)
		1980	if $region->specificity > $specificity;
		1981	}
		1982	}
		1983
		1984	$match
		1985	}
1165		1986
1166	=back	1987	=back
1167
1168		1988
1169	=head3 cf::map	1989	=head3 cf::map
1170		1990
1171	=over 4	1991	=over 4
1172		1992
…		…
1184	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1186		2006
1187	sub generate_random_map {	2007	sub generate_random_map {
1188	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1189	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1190	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1194	$rmp->{exit_on_final_map},
1195	$rmp->{xsize}, $rmp->{ysize},
1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1201	(cf::region::find $rmp->{region}), $rmp->{custom}
1202	)
1203	}	2013	}
1204		2014
1205	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1206		2016
1207	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1212		2022
1213	sub register {	2023	sub register {
1214	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1215	my $pkg = caller;	2025	my $pkg = caller;
1216		2026
1217	no strict;
1218	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1219		2028
1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221	}	2030	}
1222		2031
1223	# also paths starting with '/'	2032	# also paths starting with '/'
1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1225		2034
1226	sub thawer_merge {	2035	sub thawer_merge {
1227	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1228		2037
1229	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1230	local $self->{path};	2039	local $self->{path};
1231	local $self->{load_path};	2040	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		2041
1235	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1236	}	2043	}
1237		2044
1238	sub normalise {	2045	sub normalise {
1239	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1240		2047
1241	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1242		2049
1243	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1244		2051
1245	# map plan:	2052	# map plan:
1246	#	2053	#
…		…
1261	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1262	$path = "$base/$path";	2069	$path = "$base/$path";
1263	}	2070	}
1264		2071
1265	for ($path) {	2072	for ($path) {
1266	redo if s{//}{/};
1267	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1268	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1269	}	2075	}
1270		2076
1271	$path	2077	$path
…		…
1285	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1286	return $self;	2092	return $self;
1287	}	2093	}
1288	}	2094	}
1289		2095
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1291	()	2097	()
1292	}	2098	}
1293		2099
		2100	# may re-bless or do other evil things
1294	sub init {	2101	sub init {
1295	my ($self) = @_;	2102	my ($self) = @_;
1296		2103
1297	$self	2104	$self
1298	}	2105	}
…		…
1310		2117
1311	# the original (read-only) location	2118	# the original (read-only) location
1312	sub load_path {	2119	sub load_path {
1313	my ($self) = @_;	2120	my ($self) = @_;
1314		2121
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1316	}	2123	}
1317		2124
1318	# the temporary/swap location	2125	# the temporary/swap location
1319	sub save_path {	2126	sub save_path {
1320	my ($self) = @_;	2127	my ($self) = @_;
1321		2128
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1324	}	2131	}
1325		2132
1326	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1327	sub uniq_path {	2134	sub uniq_path {
1328	my ($self) = @_;	2135	my ($self) = @_;
1329		2136
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1332	}	2139	}
1333		2140
1334	# and all this just because we cannot iterate over	2141	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	2142	my ($self) = @_;
1338		2143
1339	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1341	}	2147	}
1342		2148
1343	sub unlink_save {	2149	sub unlink_save {
1344	my ($self) = @_;	2150	my ($self) = @_;
1345		2151
…		…
1350		2156
1351	sub load_header_from($) {	2157	sub load_header_from($) {
1352	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1353		2159
1354	utf8::encode $path;	2160	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	2162	or return;
1360		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1361	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1362		2171
1363	1	2172	1
1364	}	2173	}
1365		2174
		2175	# used to laod the header of an original map
1366	sub load_header_orig {	2176	sub load_header_orig {
1367	my ($self) = @_;	2177	my ($self) = @_;
1368		2178
1369	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1370	}	2180	}
1371		2181
		2182	# used to laod the header of an instantiated map
1372	sub load_header_temp {	2183	sub load_header_temp {
1373	my ($self) = @_;	2184	my ($self) = @_;
1374		2185
1375	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1376	}	2187	}
1377		2188
		2189	# called after loading the header from an instantiated map
1378	sub prepare_temp {	2190	sub prepare_temp {
1379	my ($self) = @_;	2191	my ($self) = @_;
1380		2192
1381	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1382	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1383	# safety	2195	# safety
1384	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1385	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1386	}	2198	}
1387		2199
		2200	# called after loading the header from an original map
1388	sub prepare_orig {	2201	sub prepare_orig {
1389	my ($self) = @_;	2202	my ($self) = @_;
1390		2203
1391	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1392	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1403	$self->load_header_orig	2216	$self->load_header_orig
1404	or return;	2217	or return;
1405	$self->prepare_orig;	2218	$self->prepare_orig;
1406	}	2219	}
1407		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
		2224	$self->default_region (cf::region::find_by_path $self->{path})
		2225	unless $self->default_region;
		2226
1408	1	2227	1
1409	}	2228	}
1410		2229
1411	sub find;	2230	sub find;
1412	sub find {	2231	sub find {
1413	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1414		2233
		2234	cf::cede_to_tick;
		2235
1415	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1416		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1418		2240
1419	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1422	or return;	2243	or return;
1423		2244
1424	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1425		2246
1426	$map->load_header	2247	$map->load_header
1427	or return;	2248	or return;
1428		2249
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1432	$map->reset;	2255	$map->reset;
1433	undef $guard;
1434	return find $path;	2256	return find $path;
1435	}	2257	}
1436		2258
1437	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1438	}	2260	}
1439	}	2261	}
1440		2262
1441	sub pre_load { }	2263	sub pre_load { }
1442	sub post_load { }	2264	#sub post_load { } # XS
1443		2265
1444	sub load {	2266	sub load {
1445	my ($self) = @_;	2267	my ($self) = @_;
1446		2268
1447	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1448		2270
1449	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1451		2275
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1453		2278
1454	$self->in_memory (cf::MAP_LOADING);
1455
1456	$self->alloc;	2279	$self->alloc;
1457		2280
1458	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1459		2283
1460	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1461	or return;	2288	or return;
1462		2289
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1464	if delete $self->{load_original};	2291	if delete $self->{load_original};
1465		2292
1466	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2294	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2297	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1471	}	2302	}
1472	}
1473		2303
1474	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1475		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1476	# now do the right thing for maps	2313	# now do the right thing for maps
1477	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2316	unless $self->difficulty;
1487	Coro::cede;	2317	cf::cede_to_tick;
1488	$self->activate;	2318
		2319	unless ($self->{deny_activate}) {
		2320	$self->decay_objects;
		2321	$self->fix_auto_apply;
		2322	$self->update_buttons;
		2323	cf::cede_to_tick;
		2324	#$self->activate; # no longer activate maps automatically
		2325	}
		2326
		2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1489	}	2329	}
1490		2330
1491	$self->post_load;	2331	$self->post_load;
1492		2332
1493	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1494	}	2334	}
1495		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1496	sub customise_for {	2339	sub customise_for {
1497	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1498		2341
1499	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2343	if $self->per_player;
1501		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1502	$self	2348	$self
1503	}
1504
1505	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {
1507	my ($map) = @_;
1508
1509	my @diag; # diagonal neighbours
1510
1511	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)
1513	or next;
1514	$neigh = find $neigh, $map
1515	or next;
1516	$neigh->load;
1517
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}
1521
1522	for (@diag) {
1523	my $neigh = find @$_
1524	or next;
1525	$neigh->load;
1526	}
1527	}	2349	}
1528		2350
1529	sub find_sync {	2351	sub find_sync {
1530	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1531		2353
1532	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1533	}	2359	}
1534		2360
1535	sub do_load_sync {	2361	sub do_load_sync {
1536	my ($map) = @_;	2362	my ($map) = @_;
1537		2363
1538	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1539	}	2369	}
1540		2370
1541	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1543		2373
1544	sub find_async {	2374	sub find_async {
1545	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1546		2376
1547	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1548		2378
1549	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1551	}	2381	}
1552		2382
1553	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1554	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1555	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2390	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2391	$map->load if $v;
		2392	}
1560		2393
1561	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1562	}	2395	}
1563	}	2396	}
1564	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1565	};	2398	};
1566	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1567		2400
1568	()	2401	()
1569	}	2402	}
1570		2403
		2404	# common code, used by both ->save and ->swapout
1571	sub save {	2405	sub _save {
1572	my ($self) = @_;	2406	my ($self) = @_;
1573
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1575		2407
1576	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1577		2409
1578	return unless $self->dirty;	2410	return unless $self->dirty;
1579		2411
…		…
1585	return if $self->{deny_save};	2417	return if $self->{deny_save};
1586		2418
1587	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1588		2420
1589	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1591	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1592		2427
1593	if ($uniq) {	2428	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2431	} else {
1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1598	}	2433	}
1599	}	2434	}
1600		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1601	sub swap_out {	2444	sub swap_out {
1602	my ($self) = @_;	2445	my ($self) = @_;
1603		2446
1604	# save first because save cedes
1605	$self->save;
1606
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1609	return if $self->players;	2451	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};
1612		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1613	$self->clear;	2462	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2463	}
1616		2464
1617	sub reset_at {	2465	sub reset_at {
1618	my ($self) = @_;	2466	my ($self) = @_;
1619		2467
1620	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1623		2470
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2473
…		…
1637	my ($self) = @_;	2484	my ($self) = @_;
1638		2485
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2487
1641	return if $self->players;	2488	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2489
1644	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1645		2491
1646	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1647		2493
1648	# need to save uniques path	2494	# need to save uniques path
1649	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1650	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1651		2497
…		…
1653	if $uniq;	2499	if $uniq;
1654	}	2500	}
1655		2501
1656	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1657		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2506	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2507
1662	$self->unlink_save;	2508	$self->unlink_save;
1663	$self->destroy;	2509	$self->destroy;
1664	}	2510	}
1665		2511
1666	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1667		2513
1668	sub nuke {	2514	sub nuke {
1669	my ($self) = @_;	2515	my ($self) = @_;
1670		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1671	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1672		2521
1673	$self->unlink_save;	2522	$self->unlink_save;
1674		2523
1675	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1676	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2529
1681	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1682		2532
1683	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1684	}	2570	}
1685		2571
1686	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1687		2573
1688	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2575	instantiated unique items. May block.
1690		2576
1691	=cut	2577	=cut
1692		2578
1693	sub unique_maps() {	2579	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1695	or return;	2581	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2582	utf8::decode $_;
1701	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2585	? ()
1704	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2588	]
1706
1707	\@paths
1708	}	2589	}
1709		2590
1710	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1711		2622
1712	=back	2623	=back
1713		2624
1714	=head3 cf::object	2625	=head3 cf::object
1715		2626
…		…
1719		2630
1720	=over 4	2631	=over 4
1721		2632
1722	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1723		2634
1724	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1725		2637
1726	=cut	2638	=cut
1727		2639
1728	sub inv_recursive_;	2640	sub inv_recursive_;
1729	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1732		2644
1733	sub inv_recursive {	2645	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1735	}	2647	}
1736		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1737	package cf;	2677	package cf;
1738		2678
1739	=back	2679	=back
1740		2680
1741	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1750		2690
1751	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1752		2706
1753	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2708	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1758		2712
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2714
1761	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1763	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1766	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1767	}	2740	}
1768		2741
1769	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1770		2743
1771	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1784		2757
1785	=item $player_object->enter_link	2758	=item $player_object->enter_link
1786		2759
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2761
1789	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1791		2766
1792	Will never block.	2767	Will never block.
1793		2768
1794	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1795		2770
…		…
1815	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1816	my ($self) = @_;	2791	my ($self) = @_;
1817		2792
1818	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1819		2794
		2795	++$self->{_link_recursion};
		2796
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2798
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1824		2801
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1826	}	2803	}
1827		2804
1828	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1830		2809
1831	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1832		2811
1833	unless ($map) {	2812	unless ($map) {
1834	# restore original map position	2813	# restore original map position
…		…
1845	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1846	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1847		2826
1848	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1851		2830
1852	$map->load;	2831	$map->load;
1853	$map->load_diag;
1854		2832
1855	return unless $self->contr->active;	2833	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2834
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1860	}	2837	# entering was successful
1861		2838	delete $self->{_link_recursion};
1862	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2840	$self->activate_recursive;
1864	my ($pl) = @_;
1865
1866	# abort map switching before logout
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},	2841	}
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2842
1876	# try to abort aborted map switching on player login :)	2843	}
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2844
1894	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1895		2846
		2847	Moves the player to the given map-path and coordinates by first freezing
		2848	her, loading and preparing them map, calling the provided $check callback
		2849	that has to return the map if sucecssful, and then unfreezes the player on
		2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
1896	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1897		2859
1898	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
		2869	# do generation counting so two concurrent goto's will be executed in-order
		2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2871
1901	$self->enter_link;	2872	$self->enter_link;
1902		2873
1903	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1904	my $map = eval {	2896	my $map = eval {
1905	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2900	$map = $map->customise_for ($self);
		2901	$map = $check->($map, $x, $y, $self) if $check && $map;
		2902	} else {
		2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2904	}
		2905
1907	$map	2906	$map
		2907	};
		2908
		2909	if ($@) {
		2910	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2911	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2912	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1912	})->prio (1);	2920	})->prio (1);
1913	}	2921	}
1914		2922
1915	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1916		2924
…		…
1936	}	2944	}
1937		2945
1938	sub prepare_random_map {	2946	sub prepare_random_map {
1939	my ($exit) = @_;	2947	my ($exit) = @_;
1940		2948
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2951	# that depends on the exit object
1946		2952
1947	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2955	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1954	}	2962	}
1955		2963
1956	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1957		2965
1958	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1961		2969
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2972	undef $fh;
1965	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1966		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1969	}	2981	}
1970	}	2982	}
1971		2983
1972	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1974		2986
1975	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1976		2988
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2989	$self->enter_link;
1989		2990
1990	(async {	2991	(async {
1991	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1992	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
1993	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1994		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
1995	1;	3030	1
1996	}) {	3031	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2001		3036
2002	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2003	$self->leave_link;	3038	$self->leave_link;
2004	}	3039	}
2005	})->prio (1);	3040	})->prio (1);
2006	}	3041	}
2007		3042
…		…
2018		3053
2019	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2020	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2021		3056
2022	utf8::encode $text;	3057	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d log %s", $flags || cf::NDI_BLACK, $text);
2024	}	3059	}
2025		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
		3084	}
		3085
		3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3087
		3088	Send a msg packet to the client, formatting the msg for the client if
		3089	necessary. C<$type> should be a string identifying the type of the
		3090	message, with C<log> being the default. If C<$color> is negative, suppress
		3091	the message unless the client supports the msg packet.
		3092
		3093	=cut
		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
		3213	);
		3214
		3215	sub cf::client::send_msg {
		3216	my ($self, $channel, $msg, $color, @extra) = @_;
		3217
		3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
		3220
		3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3222
		3223	# check predefined channels, for the benefit of C
		3224	if ($CHANNEL{$channel}) {
		3225	$channel = $CHANNEL{$channel};
		3226
		3227	$self->ext_msg (channel_info => $channel);
		3228	$channel = $channel->{id};
		3229
		3230	} elsif (ref $channel) {
		3231	# send meta info to client, if not yet sent
		3232	unless (exists $self->{channel}{$channel->{id}}) {
		3233	$self->{channel}{$channel->{id}} = $channel;
		3234	$self->ext_msg (channel_info => $channel);
		3235	}
		3236
		3237	$channel = $channel->{id};
		3238	}
		3239
		3240	return unless @extra || length $msg;
		3241
		3242	# default colour, mask it out
		3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3244	if $color & cf::NDI_DEF;
		3245
		3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
		3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3249	);
		3250
		3251	$self->send_big_packet ($pkt);
		3252	}
		3253
2026	=item $client->ext_event ($type, %msg)	3254	=item $client->ext_msg ($type, @msg)
2027		3255
2028	Sends an exti event to the client.	3256	Sends an ext event to the client.
2029		3257
2030	=cut	3258	=cut
2031		3259
2032	sub cf::client::ext_event($$%) {	3260	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	3261	my ($self, $type, @msg) = @_;
2034		3262
2035	$msg{msgtype} = "event_$type";	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2036	$self->send_packet ("ext " . cf::to_json \%msg);
2037	}	3264	}
2038		3265
2039	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2040		3267
2041	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3269	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3270	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		3271
2045	Queries can fail, so check the return code. Or don't, as queries will become	3272	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	3273	become reliable at some point in the future.
2047		3274
2048	=cut	3275	=cut
2049		3276
2050	sub cf::client::query {	3277	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3278	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3286	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3287	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3288
2062	$self->send_packet ($self->{query_queue}[0][0])	3289	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3290	if @{ $self->{query_queue} } == 1;
		3291
		3292	1
2064	}	3293	}
2065		3294
2066	cf::client->attach (	3295	cf::client->attach (
		3296	on_connect => sub {
		3297	my ($ns) = @_;
		3298
		3299	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3300	},
2067	on_reply => sub {	3301	on_reply => sub {
2068	my ($ns, $msg) = @_;	3302	my ($ns, $msg) = @_;
2069		3303
2070	# this weird shuffling is so that direct followup queries	3304	# this weird shuffling is so that direct followup queries
2071	# get handled first	3305	# get handled first
…		…
2083	} else {	3317	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3318	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3319	}
2086	}	3320	}
2087	},	3321	},
		3322	on_exticmd => sub {
		3323	my ($ns, $buf) = @_;
		3324
		3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3326
		3327	if (ref $msg) {
		3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3329
		3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
		3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
		3348	}
		3349	} else {
		3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3351	}
		3352
		3353	cf::override;
		3354	},
2088	);	3355	);
2089		3356
2090	=item $client->async (\&cb)	3357	=item $client->async (\&cb)
2091		3358
2092	Create a new coroutine, running the specified callback. The coroutine will	3359	Create a new coroutine, running the specified callback. The coroutine will
…		…
2108		3375
2109	$coro	3376	$coro
2110	}	3377	}
2111		3378
2112	cf::client->attach (	3379	cf::client->attach (
2113	on_destroy => sub {	3380	on_client_destroy => sub {
2114	my ($ns) = @_;	3381	my ($ns) = @_;
2115		3382
2116	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2117	},	3384	},
2118	);	3385	);
…		…
2133	our $safe = new Safe "safe";	3400	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
2135		3402
2136	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
2137		3404
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3405	$safe->permit_only (Opcode::opset qw(
		3406	:base_core :base_mem :base_orig :base_math :base_loop
		3407	grepstart grepwhile mapstart mapwhile
		3408	sort time
		3409	));
2139		3410
2140	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
2141		3412
2142	=pod	3413	=pod
2143		3414
2144	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
2145		3416
2146	cf::object contr pay_amount pay_player map	3417	cf::object
		3418	contr pay_amount pay_player map x y force_find force_add destroy
		3419	insert remove name archname title slaying race decrease split
		3420	value
		3421
2147	cf::object::player player	3422	cf::object::player
2148	cf::player peaceful	3423	player
2149	cf::map trigger	3424
		3425	cf::player
		3426	peaceful
		3427
		3428	cf::map
		3429	trigger
2150		3430
2151	=cut	3431	=cut
2152		3432
2153	for (	3433	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3435	insert remove inv nrof name archname title slaying race
		3436	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
2158	) {	3440	) {
2159	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2162	for @funs;	3443	for @funs;
2163	}	3444	}
2164		3445
…		…
2179		3460
2180	my $qcode = $code;	3461	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
2183		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
2184	local $_;	3468	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;
2186		3469
2187	my $eval =	3470	my $eval =
2188	"do {\n"	3471	"do {\n"
2189	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2190	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
2191	. $code	3474	. $code
2192	. "\n}"	3475	. "\n}"
2193	;	3476	;
2194		3477
		3478	if ($CFG{safe_eval}) {
2195	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
2196	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2197	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
2198		3487
2199	if ($@) {	3488	if ($@) {
2200	warn "$@";	3489	warn "$@",
2201	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
2202	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
2203	}	3492	}
2204		3493
2205	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
2206	}	3495	}
2207		3496
…		…
2221	=cut	3510	=cut
2222		3511
2223	sub register_script_function {	3512	sub register_script_function {
2224	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
2225		3514
2226	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
2227	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
2228	}	3517	}
2229		3518
2230	=back	3519	=back
2231		3520
2232	=cut	3521	=cut
2233
2234	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305		3522
2306	#############################################################################	3523	#############################################################################
2307	# the server's init and main functions	3524	# the server's init and main functions
2308		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
2309	sub load_facedata {	3603	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3604	my ($path) = @_;
2311		3605
		3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3607
2312	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
2313		3609
2314	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
2315	0 < aio_load $path, $facedata
2316	or die "$path: $!";
2317
2318	$facedata = Coro::Storable::thaw $facedata;
2319		3611
2320	$facedata->{version} == 2	3612	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3614
		3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3617
		3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3619
		3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
2322		3623
2323	{	3624	{
2324	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
2325		3626
2326	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3630
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3631	cf::face::set_visibility $idx, $info->{visibility};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2331	Coro::cede;	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
2332	}	3638	}
2333		3639
2334	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3641	next unless $info->{smooth};
		3642
2336	my $idx = cf::face::find $face	3643	my $idx = cf::face::find $face
2337	or next;	3644	or next;
		3645
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
		3647	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3649	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3651	}
2343	Coro::cede;
2344	}	3652	}
2345	}	3653	}
2346		3654
2347	{	3655	{
2348	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
2349		3657
2350	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;
2353	}	3660	}
2354		3661
2355	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
2356	}	3663	}
2357		3664
		3665	{
		3666	my $res = $facedata->{resource};
		3667
		3668	while (my ($name, $info) = each %$res) {
		3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
		3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3672
		3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
		3679	} else {
		3680	# $RESOURCE{$name} = $info; # unused
		3681	}
		3682	}
		3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
		3694
		3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
2358	1	3699	1
2359	}	3700	}
2360		3701
		3702	register_exticmd fx_want => sub {
		3703	my ($ns, $want) = @_;
		3704
		3705	while (my ($k, $v) = each %$want) {
		3706	$ns->fx_want ($k, $v);
		3707	}
		3708	};
		3709
		3710	sub load_resource_file($) {
		3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
		3733
		3734	sub reload_regions {
		3735	# HACK to clear player env face cache, we need some signal framework
		3736	# for this (global event?)
		3737	%ext::player_env::MUSIC_FACE_CACHE = ();
		3738
		3739	load_resource_file "$MAPDIR/regions"
		3740	or die "unable to load regions file\n";
		3741
		3742	for (cf::region::list) {
		3743	$_->{match} = qr/$_->{match}/
		3744	if exists $_->{match};
		3745	}
		3746	}
		3747
		3748	sub reload_facedata {
		3749	load_facedata $DATADIR
		3750	or die "unable to load facedata\n";
		3751	}
		3752
		3753	sub reload_archetypes {
		3754	load_resource_file "$DATADIR/archetypes"
		3755	or die "unable to load archetypes\n";
		3756
		3757	cf::face::set
		3758	"res/skill_info" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
		3768	}
		3769
		3770	sub reload_treasures {
		3771	load_resource_file "$DATADIR/treasures"
		3772	or die "unable to load treasurelists\n";
		3773	}
		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
2361	sub reload_resources {	3795	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3796	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3797
		3798	reload_materials;
2364	load_facedata	3799	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3800	reload_exp_table;
2366	}	3801	reload_sound;
2367		3802	reload_archetypes;
2368	sub init {
2369	reload_resources;	3803	reload_regions;
2370	}	3804	reload_treasures;
2371		3805
2372	sub cfg_load {	3806	trace "finished reloading resource files\n";
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3807	}
2374	or return;
2375		3808
2376	local $/;	3809	sub reload_config {
2377	*CFG = YAML::Syck::Load <$fh>;	3810	trace "reloading config file...\n";
2378		3811
		3812	my $config = load_file "$CONFDIR/config";
		3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
		3815
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3817
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3820
2384	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
2388	};	3825	};
2389	warn $@ if $@;	3826	warn $@ if $@;
2390	}	3827	}
2391	}	3828	}
2392		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
2393	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
2394	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3869	$Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3871	(async {
2398	Event::one_event;	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3873	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
2400	};	3875	};
2401		3876
2402	cfg_load;	3877	evthread_start IO::AIO::poll_fileno;
		3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
2403	db_init;	3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
		3891	reload_config;
		3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
2404	load_extensions;	3901	load_extensions;
2405		3902
2406	$TICK_WATCHER->start;	3903	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
2408	}	3920	}
2409		3921
2410	#############################################################################	3922	#############################################################################
2411	# initialisation and cleanup	3923	# initialisation and cleanup
2412		3924
2413	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
2414	BEGIN {	3926	BEGIN {
		3927	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
2423	},
2424	);	3931	};
		3932	}
		3933	}
		3934
		3935	sub write_runtime_sync {
		3936	my $t0 = AE::time;
		3937
		3938	# first touch the runtime file to show we are still running:
		3939	# the fsync below can take a very very long time.
		3940
		3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3942
		3943	my $guard = cf::lock_acquire "write_runtime";
		3944
		3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3946	or return;
		3947
		3948	my $value = $cf::RUNTIME + 90 + 10;
		3949	# 10 is the runtime save interval, for a monotonic clock
		3950	# 60 allows for the watchdog to kill the server.
		3951
		3952	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3953	and return;
		3954
		3955	# always fsync - this file is important
		3956	aio_fsync $fh
		3957	and return;
		3958
		3959	# touch it again to show we are up-to-date
		3960	aio_utime $fh, undef, undef;
		3961
		3962	close $fh
		3963	or return;
		3964
		3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3966	and return;
		3967
		3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3969
2425	}	3970	1
		3971	}
		3972
		3973	our $uuid_lock;
		3974	our $uuid_skip;
		3975
		3976	sub write_uuid_sync($) {
		3977	$uuid_skip ||= $_[0];
		3978
		3979	return if $uuid_lock;
		3980	local $uuid_lock = 1;
		3981
		3982	my $uuid = "$LOCALDIR/uuid";
		3983
		3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3985	or return;
		3986
		3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
		3995	$uuid_skip = 0;
		3996
		3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3998	and return;
		3999
		4000	# always fsync - this file is important
		4001	aio_fsync $fh
		4002	and return;
		4003
		4004	close $fh
		4005	or return;
		4006
		4007	aio_rename "$uuid~", $uuid
		4008	and return;
		4009
		4010	trace "uuid file written ($value).\n";
		4011
		4012	1
		4013
		4014	}
		4015
		4016	sub write_uuid($$) {
		4017	my ($skip, $sync) = @_;
		4018
		4019	$sync ? write_uuid_sync $skip
		4020	: async { write_uuid_sync $skip };
2426	}	4021	}
2427		4022
2428	sub emergency_save() {	4023	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
2430		4025
2431	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
2432		4032
2433	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
2434	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	4042	$pl->valid or next;
		4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	4044	$pl->save;
2442	}	4045	}
2443	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
2444		4047
2445	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	4053	$map->valid or next;
2449	$map->save;	4054	$map->save;
2450	}	4055	}
2451	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
2452		4057
2453	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
		4063
		4064	info "emergency_perl_save: begin write uuid\n";
		4065	write_uuid_sync 1;
		4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
2456	};	4086	};
2457		4087
2458	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
2459	}	4089	}
2460		4090
2461	sub post_cleanup {	4091	sub post_cleanup {
2462	my ($make_core) = @_;	4092	my ($make_core) = @_;
2463		4093
		4094	IO::AIO::flush;
		4095
2464	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	4097	if $make_core;
2466	}
2467		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
		4126	}
		4127
2468	sub reload() {	4128	sub do_reload_perl() {
2469	# can/must only be called in main	4129	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
2471	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
2472	return;	4132	return;
2473	}	4133	}
2474		4134
2475	warn "reloading...";	4135	return if $RELOAD++;
2476		4136
2477	warn "entering sync_job";	4137	my $t1 = AE::time;
2478		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
2479	cf::sync_job {	4145	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	4146	#cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		4147
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	4150	%EXT_CORO = ();
2508		4151
2509	warn "removing commands";	4152	trace "perl_reload: removing commands";
2510	%COMMAND = ();	4153	%COMMAND = ();
2511		4154
2512	warn "removing ext commands";	4155	trace "perl_reload: removing ext/exti commands";
2513	%EXTCMD = ();	4156	%EXTCMD = ();
		4157	%EXTICMD = ();
2514		4158
2515	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
2518		4162
2519	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
2520	eval {	4164	eval {
2521	$cb->($pkg);	4165	$cb->($pkg);
2522	1	4166	1
2523	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
2524	}	4172	}
2525		4173
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		4177
2534	warn "... unloading $k";	4178	trace "... unloading $k";
2535	delete $INC{$k};	4179	delete $INC{$k};
2536		4180
2537	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
2539		4183
2540	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
2542	}	4189	}
2543		4190
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		4194
2551	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
		4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		4198
2554	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
2555	# and global variables created in xs	4200	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
2557		4202
2558	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
2559		4204
2560	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
2561	require cf;	4206	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
2563		4208
2564	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
2565	cf::cfg_load;	4210	cf::reload_config;
2566		4211
2567	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
2568	cf::load_extensions;	4213	cf::load_extensions;
2569		4214
		4215	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
2573	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
2576		4223
2577	warn "loading reloadable resources";	4224	cf::_post_init 1;
2578	reload_resources;
2579		4225
2580	warn "leaving sync_job";	4226	trace "perl_reload: leaving sync_job";
2581		4227
2582	1	4228	1
2583	} or do {	4229	} or do {
2584	warn $@;	4230	error $@;
2585	warn "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
2586	exit 1;	4232	};
		4233
		4234	--$RELOAD;
		4235	}
		4236
		4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
		4239	};
		4240
		4241	our $RELOAD_WATCHER; # used only during reload
		4242
		4243	sub reload_perl() {
		4244	# doing reload synchronously and two reloads happen back-to-back,
		4245	# coro crashes during coro_state_free->destroy here.
		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
		4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4251	do_reload_perl;
		4252	undef $RELOAD_WATCHER;
		4253	};
2587	};	4254	};
2588		4255	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		4256
2594	register_command "reload" => sub {	4257	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
2596		4259
2597	if ($who->flag (FLAG_WIZ)) {	4260	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4261	$who->message ("reloading server.");
2599		4262	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4263	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4264	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4265	};
2612	}	4266	}
2613	};	4267	};
2614		4268
2615	unshift @INC, $LIBDIR;	4269	#############################################################################
2616		4270
2617	my $bug_warning = 0;	4271	my $bug_warning = 0;
2618		4272
2619	$TICK_WATCHER = Event->timer (	4273	sub wait_for_tick() {
2620	reentrant => 0,	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2621	parked => 1,	4275
2622	prio => 0,	4276	$WAIT_FOR_TICK->wait;
2623	at => $NEXT_TICK || $TICK,	4277	}
2624	data => WF_AUTOCANCEL,	4278
2625	cb => sub {	4279	sub wait_for_tick_begin() {
		4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4281
		4282	my $signal = new Coro::Signal;
		4283	push @WAIT_FOR_TICK_BEGIN, $signal;
		4284	$signal->wait;
		4285	}
		4286
		4287	sub tick {
2626	if ($Coro::current != $Coro::main) {	4288	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
2629	return;	4291	return;
2630	}	4292	}
2631		4293
2632	$NOW = Event::time;	4294	cf::one_tick; # one server iteration
2633		4295
2634	cf::server_tick; # one server iteration	4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4297
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4300	Coro::async_pool {
		4301	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4302	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4304	};
		4305	}
2645		4306
		4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4308	$sig->send;
		4309	}
2646	$WAIT_FOR_TICK->broadcast;	4310	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648		4311
2649	# my $AFTER = Event::time;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
2650	# warn $AFTER - $NOW;#d#	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2651		4314
2652	# if we are delayed by four ticks or more, skip them all	4315	if (0) {
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4316	if ($NEXT_TICK) {
2654		4317	my $jitter = $TICK_START - $NEXT_TICK;
2655	$TICK_WATCHER->at ($NEXT_TICK);	4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2656	$TICK_WATCHER->start;	4319	debug "jitter $JITTER\n";#d#
		4320	}
2657	},	4321	}
2658	);	4322	}
2659		4323
2660	{	4324	{
2661	BDB::max_poll_time $TICK * 0.1;	4325	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4326	info "initialising database";
2663	reentrant => 0,	4327
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
2671		4329	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4330	#$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4331
2687	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
		4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4339
2690	cf::sync_job {	4340	cf::sync_job {
2691	eval {	4341	eval {
2692	BDB::db_env_open	4342	BDB::db_env_open
2693	$DB_ENV,	4343	$DB_ENV,
2694	$BDB_ENV_DIR,	4344	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4347	0666;
2698		4348
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4350	};
2704		4351
2705	cf::cleanup "db_env_open(db): $@" if $@;	4352	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4353	};
2707	}	4354	}
		4355
		4356	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4357	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4358	};
		4359	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4361	};
		4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4364	};
		4365
		4366	info "database initialised";
2708	}	4367	}
2709		4368
2710	{	4369	{
		4370	# configure IO::AIO
		4371
		4372	info "initialising aio";
2711	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4375	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,	4376	info "aio initialised";
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4377	}
		4378
		4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
		4381
		4382	sub _log_backtrace {
		4383	my ($msg, @addr) = @_;
		4384
		4385	$msg =~ s/\n$//;
		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4390	# limit the # of concurrent backtraces
		4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
		4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
		4395	async {
		4396	$Coro::current->{desc} = "abt $msg";
		4397
		4398	my @bt = fork_call {
		4399	@addr = map { sprintf "%x", $_ } @addr;
		4400	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4401	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4402	or die "addr2line: $!";
		4403
		4404	my @funcs;
		4405	my @res = <$fh>;
		4406	chomp for @res;
		4407	while (@res) {
		4408	my ($func, $line) = splice @res, 0, 2, ();
		4409	push @funcs, "[$func] $line";
		4410	}
		4411
		4412	@funcs
		4413	};
		4414
		4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4417	LOG llevInfo, "[ABT] $_\n" for @bt;
		4418	--$_log_backtrace;
		4419	};
		4420	} else {
		4421	LOG llevInfo, "[ABT] $msg\n";
		4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4423	}
		4424	}
		4425
		4426	# load additional modules
		4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
2724		4429
2725	END { cf::emergency_save }	4430	END { cf::emergency_save }
2726		4431
2727	1	4432	1
2728		4433

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