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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.615 by root, Sat Feb 23 22:37:39 2013 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 3.61 ();	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
		101
		102	our $CONFDIR = confdir;
		103
		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;
58		125
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
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		149
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
84	binmode STDOUT;	166	binmode STDOUT;
85	binmode STDERR;	167	binmode STDERR;
86		168
87	# read virtual server time, if available	169	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
92	}	174	}
93		175
94	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	177
96	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		180
101	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
102		182
103	sub cf::map::normalise;	183	sub cf::map::normalise;
104		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
105	#############################################################################	189	#############################################################################
106		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
107	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
108		203
109	=over 4	204	=over 4
110		205
111	=item $cf::UPTIME	206	=item $cf::UPTIME
112		207
113	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.
114		224
115	=item $cf::RUNTIME	225	=item $cf::RUNTIME
116		226
117	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
118	every server tick.	228	every server tick.
119		229
120	=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
121		233
122	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		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
125	=item $cf::NOW	245	=item $cf::LOAD
126		246
127	The time of the last (current) server tick.	247	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		248
133	=item %cf::CFG	249	=item %cf::CFG
134		250
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	252	from wherever your confdir points to.
137		253
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		255
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
141	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
143		289
144	=back	290	=back
145		291
146	=cut	292	=cut
147		293
148	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	301	my $msg = join "", @_;
151	utf8::encode $msg;
152		302
153	$msg .= "\n"	303	$msg .= "\n"
154	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
155		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
156	LOG llevError, $msg;	308	LOG llevWarn, $msg;
157	};	309	};
158	}	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	};
159		324
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		332
167	# 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
168	# within the Safe compartment.	334	# within the Safe compartment.
169	for my $pkg (qw(	335	for my $pkg (qw(
170	cf::global cf::attachable	336	cf::global cf::attachable
171	cf::object cf::object::player	337	cf::object cf::object::player
172	cf::client cf::player	338	cf::client cf::player
173	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
174	cf::map cf::party cf::region	341	cf::party cf::region
175	)) {	342	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	344	}
179		345
180	$Event::DIED = sub {	346	$EV::DIED = sub {
181	warn "error in event callback: @_";	347	warn "error in event callback: $@";
182	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
183		356
184	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
185		358
186	=over 4	359	=over 4
187		360
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	380	$d
208	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
209	}	382	}
210		383
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
212		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
213	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
214		437
215	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
216		439
217	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
218		441
219	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	513	=item cf::lock_wait $string
222		514
223	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
224		516
225	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
226		518
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
230	returned.	522	returned.
231		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
232	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
233	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
234		529
235	=cut	530	=item $locked = cf::lock_active $string
236		531
237	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
238		537
239	sub lock_wait($) {	538	sub lock_wait($) {
240	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	540	}
248		541
249	sub lock_acquire($) {	542	sub lock_acquire($) {
250	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
251		545
252	# wait, to be sure we are not locked	546	sub lock_active($) {
253	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	548	}
262		549
263	sub freeze_mainloop {	550	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
265		552
266	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
268	};	623	}
269	$TICK_WATCHER->stop;	624	};
270	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
271	}	639	}
272		640
273	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
274		642
275	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		648
281	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
282		650
283	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
284		652
285	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
288		657
289	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
292	fast or be very important.	661	fast or be very important.
…		…
294	=cut	663	=cut
295		664
296	sub sync_job(&) {	665	sub sync_job(&) {
297	my ($job) = @_;	666	my ($job) = @_;
298		667
299	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
300	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
302		673
303	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	675
305	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
306		677
307	my $busy = 1;	678	my $busy = 1;
308	my @res;	679	my @res;
309		680
310	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	683	@res = eval { $job->() };
312	warn $@ if $@;	684	error $@ if $@;
313	undef $busy;	685	undef $busy;
314	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
315		687
316	while ($busy) {	688	while ($busy) {
317	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
318	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
319		699
320	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
321	} else {	701	} else {
322	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
323		703
…		…
343	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
344		724
345	$coro	725	$coro
346	}	726	}
347		727
348	sub write_runtime {	728	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		729
351	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.
352		734
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
354	or return;
355		736
356	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
358	# 60 allows for the watchdog to kill the server.	739	}
359		740
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
361	and return;	742	my ($cb, @args) = @_;
362		743
363	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	745	cf::post_fork;
365	and return;	746	&$cb
		747	} @args;
366		748
367	close $fh	749	wantarray ? @res : $res[-1]
368	or return;	750	}
369		751
370	aio_rename "$runtime~", $runtime	752	sub objinfo {
371	and return;
372
373	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"
374	}	916	}
375		917
376	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
377		919
378	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.
379		921
380	=cut	922	=cut
381		923
382	sub datalog($@) {	924	sub datalog($@) {
383	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	927	}
386		928
387	=back	929	=back
388		930
389	=cut	931	=cut
390		932
391	#############################################################################	933	#############################################################################
392		934
393	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
394		936
395	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
396	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")
397	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
398		940
399	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>
400	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
401	crossfire+).	943	Deliantra).
402		944
403	=over 4	945	=over 4
404		946
405	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
406		948
…		…
450	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
451		993
452	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
454		996
455	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		999
458	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
459		1001
460	=over 4	1002	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
570		1112
571	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1117
576	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
578		1120
579	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
584		1126
585	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1129
588	} elsif (ref $type) {	1130	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
590		1132
591	} else {	1133	} else {
592	shift @arg;	1134	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
594	}	1136	}
595	}	1137	}
596	}	1138	}
597		1139
598	sub _object_attach {	1140	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
609	}	1151	}
610		1152
611	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
612	} else {	1154	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1156	}
615		1157
616	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
617	}	1159	}
618		1160
…		…
620	if (ref $_[0]) {	1162	if (ref $_[0]) {
621	_object_attach @_;	1163	_object_attach @_;
622	} else {	1164	} else {
623	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
624	}	1166	}
		1167	_recalc_want;
625	};	1168	};
626		1169
627	# all those should be optimised	1170	# all those should be optimised
628	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1176	reattach ($obj);
634	} else {	1177	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
636	}	1179	}
		1180	_recalc_want;
637	};	1181	};
638		1182
639	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
641		1185
…		…
656	";	1200	";
657	die if $@;	1201	die if $@;
658	}	1202	}
659		1203
660	our $override;	1204	our $override;
661	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?
662		1206
663	sub override {	1207	sub override {
664	$override = 1;	1208	$override = 1;
665	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
666	}	1210	}
667		1211
668	sub do_invoke {	1212	sub do_invoke {
669	my $event = shift;	1213	my $event = shift;
670	my $callbacks = shift;	1214	my $callbacks = shift;
671		1215
672	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
673		1217
674	local $override;	1218	local $override;
675		1219
676	for (@$callbacks) {	1220	for (@$callbacks) {
677	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
678		1222
679	if ($@) {	1223	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1225	override;
683	}	1226	}
684		1227
685	return 1 if $override;	1228	return 1 if $override;
686	}	1229	}
687		1230
688	0	1231	0
689	}	1232	}
690		1233
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1235
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1237
695	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
696		1239
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1243
701	=back	1244	=back
702		1245
703	=cut	1246	=cut
704		1247
705	#############################################################################	1248	#############################################################################
706	# 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, $ob2
		1291	}
707		1292
708	sub reattach {	1293	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1295	my ($obj) = @_;
711		1296
		1297	# no longer needed after getting rid of delete_package?
712	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
713		1299
714	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
715		1301
716	@$registry = ();	1302	@$registry = ();
717		1303
…		…
722	for (@$attach) {	1308	for (@$attach) {
723	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
725	}	1311	}
726	} else {	1312	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1314	}
729	}	1315	}
730	}	1316	}
731		1317
732	cf::attachable->attach (	1318	cf::attachable->attach (
733	prio => -1000000,	1319	prio => -1000000,
734	on_instantiate => sub {	1320	on_instantiate => sub {
735	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
736		1322
737	$data = from_json $data;	1323	$data = decode_json $data;
738		1324
739	for (@$data) {	1325	for (@$data) {
740	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
741		1327
742	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1344	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
760		1346
761	sync_job {	1347	sync_job {
762	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
765		1353
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1361	aio_close $fh;
771		1362
772	if (@$objs) {	1363	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1372	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
780	}	1374	}
781	} else {	1375	} else {
782	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
783	}	1377	}
784		1378
785	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1383	} else {
787	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
788	}	1385	}
789	} else {	1386	} else {
790	aio_unlink $filename;	1387	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
792	}	1389	}
793	}	1390	};
794	}	1391	}
795		1392
796	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
798		1395
…		…
810	or return;	1407	or return;
811		1408
812	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
814	or return;	1411	or return;
		1412
815	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
816	}	1415	}
817		1416
		1417	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
820	return ($data, $av);	1422	($data, $av)
821	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
822		1430
823	#############################################################################	1431	#############################################################################
824	# command handling &c	1432	# command handling &c
825		1433
826	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
827		1435
828	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
829	$name.	1437	$name.
830		1438
831	=cut	1439	=cut
…		…
837	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
838		1446
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1448	}
841		1449
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
843		1451
844	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.
845		1457
846	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
847	called.
848		1459
849	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
850		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$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
851	sub register_extcmd {	1482	sub register_extcmd($$) {
852	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
853		1484
854	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
855	}	1486	}
856		1487
		1488	sub register_async_extcmd($$) {
		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} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
857	cf::player->attach (	1508	cf::player->attach (
858	on_command => sub {	1509	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
860		1511
861	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
862	or return;	1513	or return;
863		1514
…		…
868	cf::override;	1519	cf::override;
869	},	1520	},
870	on_extcmd => sub {	1521	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
872		1523
873	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1525
875	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
878	$pl->ext_reply ($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);
879	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
880	}	1547	}
		1548
881	} else {	1549	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1551	}
884		1552
885	cf::override;	1553	cf::override;
886	},	1554	},
887	);	1555	);
888		1556
		1557	# "readahead" all extensions
889	sub load_extension {	1558	sub cache_extensions {
890	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
891		1560
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1564	}
917	die $@;
918	}	1565	};
919		1566
920	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;
921	}	1579	}
922		1580
923	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
924	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1590	next unless -r $path;
926	eval {	1591
927	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 $active;
		1663	}
928	1	1664	}
929	} or warn "$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	}
930	}	1677	};
931	}	1678	}
932		1679
933	#############################################################################	1680	#############################################################################
934		1681
		1682	=back
		1683
935	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
936		1685
937	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
938		1687
939	=cut	1688	=cut
940		1689
941	package cf::player;	1690	package cf::player;
942		1691
…		…
944		1693
945	=head3 cf::player	1694	=head3 cf::player
946		1695
947	=over 4	1696	=over 4
948		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
949	=item cf::player::find $login	1712	=item cf::player::find $login
950		1713
951	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
952		1715
953	=cut	1716	=cut
954		1717
955	sub playerdir($) {	1718	sub playerdir($) {
956	cf::localdir	1719	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1721	}
962		1722
963	sub path($) {	1723	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1734
975	sub exists($) {	1735	sub exists($) {
976	my ($login) = @_;	1736	my ($login) = @_;
977		1737
978	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
980	}	1740	}
981		1741
982	sub find($) {	1742	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1744	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
995		1755
996	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
999	}	1765	}
1000	}	1766	}
1001	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1002		1781
1003	sub save($) {	1782	sub save($) {
1004	my ($pl) = @_;	1783	my ($pl) = @_;
1005		1784
1006	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1012		1791
1013	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1017	Coro::cede;	1801	cf::cede_to_tick;
1018	}	1802	}
1019		1803
1020	sub new($) {	1804	sub new($) {
1021	my ($login) = @_;	1805	my ($login) = @_;
1022		1806
…		…
1028	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1029		1813
1030	$self	1814	$self
1031	}	1815	}
1032		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
1033	=item $pl->quit_character	1827	=item $pl->quit_character
1034		1828
1035	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1037		1831
…		…
1041	my ($pl) = @_;	1835	my ($pl) = @_;
1042		1836
1043	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1044		1838
1045	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1046	$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
1047		1841
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1051	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1052		1850
1053	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1085		1883
1086	=cut	1884	=cut
1087		1885
1088	sub list_logins {	1886	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1888	or return [];
1091		1889
1092	my @logins;	1890	my @logins;
1093		1891
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1098		1902
1099	utf8::decode $login;	1903	utf8::decode $login;
1100	push @logins, $login;	1904	push @logins, $login;
1101	}	1905	}
1102		1906
1103	\@logins	1907	\@logins
1104	}	1908	}
1105		1909
1106	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1107		1913
1108	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1109	player. May block.	1915	player. May block.
1110		1916
1111	=cut	1917	=cut
…		…
1129	}	1935	}
1130		1936
1131	\@paths	1937	\@paths
1132	}	1938	}
1133		1939
1134	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1135		1941
1136	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1137		1943
1138	=cut
1139
1140	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;
1142
1143	$msg{msgid} = $id;
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}
1147
1148	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1149		1945
1150	Sends an ext event to the client.	1946	Sends an ext event to the client.
1151		1947
1152	=cut	1948	=cut
1153		1949
1154	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1156		1952
1157	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1158	}	1954	}
1159		1955
1160	=head3 cf::region	1956	=head3 cf::region
1161		1957
1162	=over 4	1958	=over 4
…		…
1165		1961
1166	package cf::region;	1962	package cf::region;
1167		1963
1168	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1169		1965
1170	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1171		1967
1172	=cut	1968	=cut
1173		1969
1174	sub find_by_path($) {	1970	sub find_by_path($) {
1175	my ($path) = @_;	1971	my ($path) = @_;
1176		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1177	my ($match, $specificity);	1975	my ($match, $specificity);
1178		1976
1179	for my $region (list) {	1977	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1183	}	1981	}
1184	}	1982	}
1185		1983
…		…
1206	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1208		2006
1209	sub generate_random_map {	2007	sub generate_random_map {
1210	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1212	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	2013	}
1226		2014
1227	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1228		2016
1229	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
…		…
1234		2022
1235	sub register {	2023	sub register {
1236	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	2025	my $pkg = caller;
1238		2026
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		2028
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	2030	}
1244		2031
1245	# also paths starting with '/'	2032	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		2034
1248	sub thawer_merge {	2035	sub thawer_merge {
1249	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1250		2037
1251	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1252	local $self->{path};	2039	local $self->{path};
1253	local $self->{load_path};	2040	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		2041
1257	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1258	}	2043	}
1259		2044
1260	sub normalise {	2045	sub normalise {
1261	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1262		2047
1263	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1264		2049
1265	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1266		2051
1267	# map plan:	2052	# map plan:
1268	#	2053	#
…		…
1283	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	2069	$path = "$base/$path";
1285	}	2070	}
1286		2071
1287	for ($path) {	2072	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1291	}	2075	}
1292		2076
1293	$path	2077	$path
…		…
1307	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1308	return $self;	2092	return $self;
1309	}	2093	}
1310	}	2094	}
1311		2095
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2097	()
1314	}	2098	}
1315		2099
		2100	# may re-bless or do other evil things
1316	sub init {	2101	sub init {
1317	my ($self) = @_;	2102	my ($self) = @_;
1318		2103
1319	$self	2104	$self
1320	}	2105	}
…		…
1332		2117
1333	# the original (read-only) location	2118	# the original (read-only) location
1334	sub load_path {	2119	sub load_path {
1335	my ($self) = @_;	2120	my ($self) = @_;
1336		2121
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1338	}	2123	}
1339		2124
1340	# the temporary/swap location	2125	# the temporary/swap location
1341	sub save_path {	2126	sub save_path {
1342	my ($self) = @_;	2127	my ($self) = @_;
1343		2128
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1346	}	2131	}
1347		2132
1348	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1349	sub uniq_path {	2134	sub uniq_path {
1350	my ($self) = @_;	2135	my ($self) = @_;
1351		2136
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1354	}	2139	}
1355		2140
1356	# and all this just because we cannot iterate over	2141	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2142	my ($self) = @_;
1360		2143
1361	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1363	}	2147	}
1364		2148
1365	sub unlink_save {	2149	sub unlink_save {
1366	my ($self) = @_;	2150	my ($self) = @_;
1367		2151
…		…
1372		2156
1373	sub load_header_from($) {	2157	sub load_header_from($) {
1374	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1375		2159
1376	utf8::encode $path;	2160	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2162	or return;
1382		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1383	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1384		2171
1385	1	2172	1
1386	}	2173	}
1387		2174
		2175	# used to laod the header of an original map
1388	sub load_header_orig {	2176	sub load_header_orig {
1389	my ($self) = @_;	2177	my ($self) = @_;
1390		2178
1391	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1392	}	2180	}
1393		2181
		2182	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2183	sub load_header_temp {
1395	my ($self) = @_;	2184	my ($self) = @_;
1396		2185
1397	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1398	}	2187	}
1399		2188
		2189	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2190	sub prepare_temp {
1401	my ($self) = @_;	2191	my ($self) = @_;
1402		2192
1403	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1405	# safety	2195	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2198	}
1409		2199
		2200	# called after loading the header from an original map
1410	sub prepare_orig {	2201	sub prepare_orig {
1411	my ($self) = @_;	2202	my ($self) = @_;
1412		2203
1413	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2216	$self->load_header_orig
1426	or return;	2217	or return;
1427	$self->prepare_orig;	2218	$self->prepare_orig;
1428	}	2219	}
1429		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1430	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2225	unless $self->default_region;
1432		2226
1433	1	2227	1
1434	}	2228	}
1435		2229
1436	sub find;	2230	sub find;
1437	sub find {	2231	sub find {
1438	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1439		2233
		2234	cf::cede_to_tick;
		2235
1440	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1441		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2240
1444	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1447	or return;	2243	or return;
1448		2244
1449	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1450		2246
1451	$map->load_header	2247	$map->load_header
1452	or return;	2248	or return;
1453		2249
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1457	$map->reset;	2255	$map->reset;
1458	undef $guard;
1459	return find $path;	2256	return find $path;
1460	}	2257	}
1461		2258
1462	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1463	}	2260	}
1464	}	2261	}
1465		2262
1466	sub pre_load { }	2263	sub pre_load { }
1467	sub post_load { }	2264	#sub post_load { } # XS
1468		2265
1469	sub load {	2266	sub load {
1470	my ($self) = @_;	2267	my ($self) = @_;
1471		2268
1472	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1473		2270
1474	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1476		2275
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1478		2278
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2279	$self->alloc;
1482		2280
1483	$self->pre_load;	2281	$self->pre_load;
1484	Coro::cede;	2282	cf::cede_to_tick;
1485		2283
1486	$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)
1487	or return;	2288	or return;
1488		2289
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1490	if delete $self->{load_original};	2291	if delete $self->{load_original};
1491		2292
1492	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2294	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2297	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1497	}	2302	}
1498	}
1499		2303
1500	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1501	# now do the right thing for maps	2313	# now do the right thing for maps
1502	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2316	unless $self->difficulty;
1513	Coro::cede;	2317	cf::cede_to_tick;
1514	$self->activate;	2318
1515	Coro::cede;	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);
1516	}	2329	}
1517		2330
1518	$self->post_load;	2331	$self->post_load;
1519	Coro::cede;
1520		2332
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1522	}	2334	}
1523		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
1524	sub customise_for {	2339	sub customise_for {
1525	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1526		2341
1527	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2343	if $self->per_player;
1529		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1530	$self	2348	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($map) = @_;
1536
1537	my @diag; # diagonal neighbours
1538
1539	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)
1541	or next;
1542	$neigh = find $neigh, $map
1543	or next;
1544	$neigh->load;
1545
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}
1549
1550	for (@diag) {
1551	my $neigh = find @$_
1552	or next;
1553	$neigh->load;
1554	}
1555	}	2349	}
1556		2350
1557	sub find_sync {	2351	sub find_sync {
1558	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1559		2353
1560	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
1561	}	2359	}
1562		2360
1563	sub do_load_sync {	2361	sub do_load_sync {
1564	my ($map) = @_;	2362	my ($map) = @_;
1565		2363
1566	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;
1567	}	2369	}
1568		2370
1569	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1571		2373
1572	sub find_async {	2374	sub find_async {
1573	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1574		2376
1575	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1576		2378
1577	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1579	}	2381	}
1580		2382
1581	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1582	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1583	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2390	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2391	$map->load if $v;
		2392	}
1588		2393
1589	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1590	}	2395	}
1591	}	2396	}
1592	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1593	};	2398	};
1594	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1595		2400
1596	()	2401	()
1597	}	2402	}
1598		2403
		2404	# common code, used by both ->save and ->swapout
1599	sub save {	2405	sub _save {
1600	my ($self) = @_;	2406	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2407
1604	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1605		2409
1606	return unless $self->dirty;	2410	return unless $self->dirty;
1607		2411
…		…
1613	return if $self->{deny_save};	2417	return if $self->{deny_save};
1614		2418
1615	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1616		2420
1617	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1619	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1620		2427
1621	if ($uniq) {	2428	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2431	} else {
1625	$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);
1626	}	2433	}
1627	}	2434	}
1628		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1629	sub swap_out {	2444	sub swap_out {
1630	my ($self) = @_;	2445	my ($self) = @_;
1631		2446
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1637	return if $self->players;	2451	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2462	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2463	}
1644		2464
1645	sub reset_at {	2465	sub reset_at {
1646	my ($self) = @_;	2466	my ($self) = @_;
1647		2467
1648	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1651		2470
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	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;
1654		2473
…		…
1665	my ($self) = @_;	2484	my ($self) = @_;
1666		2485
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2487
1669	return if $self->players;	2488	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2489
1672	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1673		2491
1674	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1675		2493
1676	# need to save uniques path	2494	# need to save uniques path
1677	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2497
…		…
1681	if $uniq;	2499	if $uniq;
1682	}	2500	}
1683		2501
1684	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1685		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2506	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2507
1690	$self->unlink_save;	2508	$self->unlink_save;
1691	$self->destroy;	2509	$self->destroy;
1692	}	2510	}
1693		2511
1694	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1695		2513
1696	sub nuke {	2514	sub nuke {
1697	my ($self) = @_;	2515	my ($self) = @_;
1698		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1699	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1700		2521
1701	$self->unlink_save;	2522	$self->unlink_save;
1702		2523
1703	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2529
1709	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1710		2532
1711	$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	]
1712	}	2570	}
1713		2571
1714	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1715		2573
1716	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2575	instantiated unique items. May block.
1718		2576
1719	=cut	2577	=cut
1720		2578
1721	sub unique_maps() {	2579	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1723	or return;	2581	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2582	utf8::decode $_;
1729	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2585	? ()
1732	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2588	]
1734
1735	\@paths
1736	}	2589	}
1737		2590
1738	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	}
1739		2622
1740	=back	2623	=back
1741		2624
1742	=head3 cf::object	2625	=head3 cf::object
1743		2626
…		…
1747		2630
1748	=over 4	2631	=over 4
1749		2632
1750	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1751		2634
1752	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.
1753		2637
1754	=cut	2638	=cut
1755		2639
1756	sub inv_recursive_;	2640	sub inv_recursive_;
1757	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1760		2644
1761	sub inv_recursive {	2645	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1763	}	2647	}
1764		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
1765	package cf;	2677	package cf;
1766		2678
1767	=back	2679	=back
1768		2680
1769	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1778		2690
1779	=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	};
1780		2706
1781	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2708	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1786		2712
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2714
1789	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1794	}	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 (@_);
1795	}	2740	}
1796		2741
1797	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1798		2743
1799	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
1800	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
1801		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
1802	=cut	2772	=cut
1803		2773
1804	sub cf::object::player::may {	2774	sub cf::object::player::may {
1805	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
1806		2776
1807	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
1808	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
1809	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1810	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
1811	}	2781	}
1812		2782
1813	=item $player_object->enter_link	2783	=item $player_object->enter_link
1814		2784
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2786
1817	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
1819		2791
1820	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
1821		2799
1822	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
1823		2801
1824	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
1825	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
1843	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2822	my ($self) = @_;
1845		2823
1846	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
1847		2825
		2826	++$self->{_link_recursion};
		2827
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2829
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2831	if $self->map && $self->map->{path} ne "{link}";
1852		2832
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2834	}
1855		2835
1856	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
		2838
		2839	return unless $self->contr->active;
1858		2840
1859	my $link_pos = delete $self->{_link_pos};	2841	my $link_pos = delete $self->{_link_pos};
1860		2842
1861	unless ($map) {	2843	unless ($map) {
1862	# restore original map position	2844	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
1875		2857
1876	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
1879		2861
1880	$map->load;	2862	$map->load;
1881	$map->load_diag;
1882		2863
1883	return unless $self->contr->active;	2864	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2865
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
1888	}	2868	# entering was successful
1889		2869	delete $self->{_link_recursion};
1890	cf::player->attach (	2870	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2871	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2872	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2873
1904	# try to abort aborted map switching on player login :)	2874	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2875
1922	=item $player_object->goto ($path, $x, $y)	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2877
		2878	Moves the player to the given map-path and coordinates by first freezing
		2879	her, loading and preparing them map, calling the provided $check callback
		2880	that has to return the map if sucecssful, and then unfreezes the player on
		2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
1924	=cut	2887	=cut
		2888
		2889	our $GOTOGEN;
1925		2890
1926	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
		2900	# do generation counting so two concurrent goto's will be executed in-order
		2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2902
1929	$self->enter_link;	2903	$self->enter_link;
1930		2904
1931	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
1932	my $map = eval {	2927	my $map = eval {
1933	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2929
		2930	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2931	$map = $map->customise_for ($self);
		2932	$map = $check->($map, $x, $y, $self) if $check && $map;
		2933	} else {
		2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2935	}
		2936
1935	$map	2937	$map
		2938	};
		2939
		2940	if ($@) {
		2941	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2942	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2943	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2944
		2945	if ($gen == $self->{_goto_generation}) {
		2946	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
		2948	}
		2949
		2950	$done->($self) if $done;
1940	})->prio (1);	2951	})->prio (1);
1941	}	2952	}
1942		2953
1943	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
1944		2955
…		…
1964	}	2975	}
1965		2976
1966	sub prepare_random_map {	2977	sub prepare_random_map {
1967	my ($exit) = @_;	2978	my ($exit) = @_;
1968		2979
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2982	# that depends on the exit object
1974		2983
1975	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2986	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
1982	}	2993	}
1983		2994
1984	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
1985		2996
1986	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
1989		3000
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	3003	undef $fh;
1993	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
1994		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
1997	}	3012	}
1998	}	3013	}
1999		3014
2000	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2002		3017
2003	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2004		3019
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	3020	$self->enter_link;
2017		3021
2018	(async {	3022	(async {
2019	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2020	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2021	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2022		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2023	1;	3061	1
2024	}) {	3062	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2029		3067
2030	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	3069	$self->leave_link;
2032	}	3070	}
2033	})->prio (1);	3071	})->prio (1);
2034	}	3072	}
2035		3073
2036	=head3 cf::client	3074	=head3 cf::client
2037		3075
2038	=over 4	3076	=over 4
2039		3077
2040	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2041		3079
2042	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2043	should not be used under normal circumstances.	3081	them as required.
2044		3082
2045	=cut	3083	=cut
2046		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
		3087	sub cf::client::send_big_packet {
		3088	my ($self, $pkt) = @_;
		3089
		3090	# try lzf for large packets
		3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
		3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3104
		3105	Send a msg packet to the client, formatting the msg for the client if
		3106	necessary. C<$type> should be a string identifying the type of the
		3107	message, with C<log> being the default. If C<$color> is negative, suppress
		3108	the message unless the client supports the msg packet.
		3109
		3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2047	sub cf::client::send_drawinfo {	3232	sub cf::client::send_msg {
2048	my ($self, $text, $flags) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2049		3234
2050	utf8::encode $text;	3235	$msg = $self->pl->expand_cfpod ($msg)
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3236	unless $color & cf::NDI_VERBATIM;
2052	}
2053		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
		3256
		3257	return unless @extra || length $msg;
		3258
		3259	# default colour, mask it out
		3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3261	if $color & cf::NDI_DEF;
		3262
		3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
		3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3266	);
		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2054	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2055		3272
2056	Sends an exti event to the client.	3273	Sends an ext event to the client.
2057		3274
2058	=cut	3275	=cut
2059		3276
2060	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2062		3279
2063	$msg{msgtype} = "event_$type";	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2064	$self->send_packet ("ext " . cf::to_json \%msg);
2065	}	3281	}
2066		3282
2067	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2068		3284
2069	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3286	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3287	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3288
2073	Queries can fail, so check the return code. Or don't, as queries will become	3289	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3290	become reliable at some point in the future.
2075		3291
2076	=cut	3292	=cut
2077		3293
2078	sub cf::client::query {	3294	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3295	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3303	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3304	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3305
2090	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
		3308
		3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2092	}	3349	}
2093		3350
2094	cf::client->attach (	3351	cf::client->attach (
		3352	on_connect => sub {
		3353	my ($ns) = @_;
		3354
		3355	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3356	},
2095	on_reply => sub {	3357	on_reply => sub {
2096	my ($ns, $msg) = @_;	3358	my ($ns, $msg) = @_;
2097		3359
2098	# this weird shuffling is so that direct followup queries	3360	# this weird shuffling is so that direct followup queries
2099	# get handled first	3361	# get handled first
…		…
2111	} else {	3373	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3374	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3375	}
2114	}	3376	}
2115	},	3377	},
		3378	on_exticmd => sub {
		3379	my ($ns, $buf) = @_;
		3380
		3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3382
		3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
		3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
		3404	}
		3405	} else {
		3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3407	}
		3408
		3409	cf::override;
		3410	},
2116	);	3411	);
2117		3412
2118	=item $client->async (\&cb)	3413	=item $client->async (\&cb)
2119		3414
2120	Create a new coroutine, running the specified callback. The coroutine will	3415	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3431
2137	$coro	3432	$coro
2138	}	3433	}
2139		3434
2140	cf::client->attach (	3435	cf::client->attach (
2141	on_destroy => sub {	3436	on_client_destroy => sub {
2142	my ($ns) = @_;	3437	my ($ns) = @_;
2143		3438
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3440	},
2146	);	3441	);
…		…
2161	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2163		3458
2164	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2165		3460
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2167		3466
2168	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2169		3468
2170	=pod	3469	=pod
2171		3470
2172	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2173		3472
2174	cf::object contr pay_amount pay_player map	3473	cf::object
		3474	contr pay_amount pay_player map x y force_find force_add destroy
		3475	insert remove name archname title slaying race decrease split
		3476	value
		3477
2175	cf::object::player player	3478	cf::object::player
2176	cf::player peaceful	3479	player
2177	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2178		3486
2179	=cut	3487	=cut
2180		3488
2181	for (	3489	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2186	) {	3496	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3499	for @funs;
2191	}	3500	}
2192		3501
…		…
2207		3516
2208	my $qcode = $code;	3517	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2211		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2212	local $_;	3524	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3525
2215	my $eval =	3526	my $eval =
2216	"do {\n"	3527	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3530	. $code
2220	. "\n}"	3531	. "\n}"
2221	;	3532	;
2222		3533
		3534	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2226		3543
2227	if ($@) {	3544	if ($@) {
2228	warn "$@";	3545	warn "$@",
2229	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2231	}	3548	}
2232		3549
2233	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2234	}	3551	}
2235		3552
…		…
2249	=cut	3566	=cut
2250		3567
2251	sub register_script_function {	3568	sub register_script_function {
2252	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2253		3570
2254	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2256	}	3573	}
2257		3574
2258	=back	3575	=back
2259		3576
2260	=cut	3577	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3578
2334	#############################################################################	3579	#############################################################################
2335	# the server's init and main functions	3580	# the server's init and main functions
2336		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2337	sub load_facedata($) {	3659	sub load_facedata($) {
2338	my ($path) = @_;	3660	my ($path) = @_;
2339		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2340	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2341		3665
2342	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3667
2348	$facedata->{version} == 2	3668	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2350		3679
2351	{	3680	{
2352	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2353		3682
2354	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2359	Coro::cede;	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2360	}	3694	}
2361		3695
2362	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2364	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2365	or next;	3700	or next;
		3701
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3705	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3707	}
2371	Coro::cede;
2372	}	3708	}
2373	}	3709	}
2374		3710
2375	{	3711	{
2376	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2377		3713
2378	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;
2381	}	3716	}
2382		3717
2383	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2384	}	3719	}
2385		3720
		3721	{
		3722	my $res = $facedata->{resource};
		3723
		3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
		3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
		3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
		3737	}
		3738	}
		3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
2386	1	3755	1
2387	}	3756	}
2388		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
		3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
		3795	load_resource_file "$MAPDIR/regions"
		3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
		3802	}
		3803
2389	sub reload_facedata {	3804	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3805	load_facedata $DATADIR
2391	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2392	}	3807	}
2393		3808
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3809	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	3810	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2402	}	3838	}
2403		3839
2404	sub reload_treasures {	3840	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3841	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2407	}	3843	}
2408		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2409	sub reload_resources {	3865	sub reload_resources {
2410	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2411		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2412	reload_regions;	3873	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3874	reload_treasures;
2416		3875
2417	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2418	}	3877	}
2419		3878
2420	sub init {	3879	sub reload_config {
2421	reload_resources;	3880	trace "reloading config file...\n";
2422	}
2423		3881
2424	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3883	utf8::decode $config;
2426	or return;	3884	*CFG = decode_yaml $config;
2427		3885
2428	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;
2430
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3887
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3890
2436	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2440	};	3895	};
2441	warn $@ if $@;	3896	warn $@ if $@;
2442	}	3897	}
2443	}	3898	}
2444		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::loop starting\n";
		3921	if (1) {
		3922	EV::loop;
		3923	}
		3924	trace "EV::loop returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2445	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2446	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3941	(async {
2450	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2452	};	3945	};
2453		3946
2454	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2455	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2456	load_extensions;	3971	load_extensions;
2457		3972
2458	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2460	}	3990	}
2461		3991
2462	#############################################################################	3992	#############################################################################
2463	# initialisation and cleanup	3993	# initialisation and cleanup
2464		3994
2465	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2466	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2475	},
2476	);	4001	};
		4002	}
		4003	}
		4004
		4005	sub write_runtime_sync {
		4006	my $t0 = AE::time;
		4007
		4008	# first touch the runtime file to show we are still running:
		4009	# the fsync below can take a very very long time.
		4010
		4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4012
		4013	my $guard = cf::lock_acquire "write_runtime";
		4014
		4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4016	or return;
		4017
		4018	my $value = $cf::RUNTIME + 90 + 10;
		4019	# 10 is the runtime save interval, for a monotonic clock
		4020	# 60 allows for the watchdog to kill the server.
		4021
		4022	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4023	and return;
		4024
		4025	# always fsync - this file is important
		4026	aio_fsync $fh
		4027	and return;
		4028
		4029	# touch it again to show we are up-to-date
		4030	aio_utime $fh, undef, undef;
		4031
		4032	close $fh
		4033	or return;
		4034
		4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4036	and return;
		4037
		4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4039
2477	}	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2478	}	4091	}
2479		4092
2480	sub emergency_save() {	4093	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2482		4095
2483	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2484		4102
2485	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2486	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	4114	$pl->save;
2494	}	4115	}
2495	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2496		4117
2497	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	4123	$map->valid or next;
2501	$map->save;	4124	$map->save;
2502	}	4125	}
2503	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2504		4127
2505	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2508	};	4156	};
2509		4157
2510	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2511	}	4159	}
2512		4160
2513	sub post_cleanup {	4161	sub post_cleanup {
2514	my ($make_core) = @_;	4162	my ($make_core) = @_;
2515		4163
		4164	IO::AIO::flush;
		4165
2516	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2518	}	4196	}
2519		4197
2520	sub do_reload_perl() {	4198	sub do_reload_perl() {
2521	# can/must only be called in main	4199	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2523	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2524	return;	4202	return;
2525	}	4203	}
2526		4204
2527	warn "reloading...";	4205	return if $RELOAD++;
2528		4206
2529	warn "entering sync_job";	4207	my $t1 = AE::time;
2530		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2531	cf::sync_job {	4215	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	4216	#cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		4217
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	4220	%EXT_CORO = ();
2560		4221
2561	warn "removing commands";	4222	trace "perl_reload: removing commands";
2562	%COMMAND = ();	4223	%COMMAND = ();
2563		4224
2564	warn "removing ext commands";	4225	trace "perl_reload: removing ext/exti commands";
2565	%EXTCMD = ();	4226	%EXTCMD = ();
		4227	%EXTICMD = ();
2566		4228
2567	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2570		4232
2571	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2572	eval {	4234	eval {
2573	$cb->($pkg);	4235	$cb->($pkg);
2574	1	4236	1
2575	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
2576	}	4242	}
2577		4243
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		4247
2586	warn "... unloading $k";	4248	trace "... unloading $k";
2587	delete $INC{$k};	4249	delete $INC{$k};
2588		4250
2589	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2591		4253
2592	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2594	}	4259	}
2595		4260
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		4264
2603	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
		4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		4268
2606	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2607	# and global variables created in xs	4270	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2609		4272
2610	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2611		4274
2612	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2613	require cf;	4276	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2615		4278
2616	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2617	cf::cfg_load;	4280	cf::reload_config;
2618		4281
2619	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
2620	cf::load_extensions;	4283	cf::load_extensions;
2621		4284
		4285	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
2625	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
2628		4293
2629	warn "leaving sync_job";	4294	cf::_post_init 1;
2630		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
2631	1	4298	1
2632	} or do {	4299	} or do {
2633	warn $@;	4300	error $@;
2634	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
2635	exit 1;	4302	};
		4303
		4304	--$RELOAD;
2636	};	4305	}
2637		4306
2638	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
2639	};	4309	};
2640		4310
2641	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
2642		4312
2643	sub reload_perl() {	4313	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
2646		4316
2647	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4319
2650	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4321	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
2654	},	4323	};
2655	);	4324	};
2656	}	4325	}
2657		4326
2658	register_command "reload" => sub {	4327	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
2660		4329
2661	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4334	reload_perl;
		4335	};
2664	}	4336	}
2665	};	4337	};
2666		4338
2667	unshift @INC, $LIBDIR;	4339	#############################################################################
2668		4340
2669	my $bug_warning = 0;	4341	my $bug_warning = 0;
2670		4342
2671	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;
2673
2674	sub wait_for_tick {	4343	sub wait_for_tick() {
2675	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2676	return if $Coro::current == $Coro::main;
2677		4345
2678	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
2679	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;
2681	}	4347	}
2682		4348
2683	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
2684	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2685	return if $Coro::current == $Coro::main;
2686		4351
2687	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4354	$signal->wait;
2690	}	4355	}
2691		4356
2692	$TICK_WATCHER = Event->timer (	4357	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
2702	return;	4361	return;
2703	}	4362	}
2704		4363
2705	$NOW = Event::time;	4364	cf::one_tick; # one server iteration
2706		4365
2707	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2708		4367
2709	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;
2711
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4370	Coro::async_pool {
		4371	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4372	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4374	};
		4375	}
2719		4376
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4378	$sig->send;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4379	}
2738	);	4380	$WAIT_FOR_TICK->broadcast;
		4381
		4382	$LOAD = ($NOW - $TICK_START) / $TICK;
		4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4384
		4385	if (0) {
		4386	if ($NEXT_TICK) {
		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
		4391	}
		4392	}
2739		4393
2740	{	4394	{
2741	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
2743	reentrant => 0,	4397
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
2751		4399	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4401
2767	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4409
2770	cf::sync_job {	4410	cf::sync_job {
2771	eval {	4411	eval {
2772	BDB::db_env_open	4412	BDB::db_env_open
2773	$DB_ENV,	4413	$DB_ENV,
2774	$BDB_ENV_DIR,	4414	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4417	0666;
2778		4418
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4420	};
2784		4421
2785	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4423	};
2787	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
2788	}	4437	}
2789		4438
2790	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
2791	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,	4446	info "aio initialised";
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4447	}
		4448
		4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
		4451
		4452	sub _log_backtrace {
		4453	my ($msg, @addr) = @_;
		4454
		4455	$msg =~ s/\n$//;
		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4460	# limit the # of concurrent backtraces
		4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
		4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
		4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
		4468	my @bt = fork_call {
		4469	@addr = map { sprintf "%x", $_ } @addr;
		4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4472	or die "addr2line: $!";
		4473
		4474	my @funcs;
		4475	my @res = <$fh>;
		4476	chomp for @res;
		4477	while (@res) {
		4478	my ($func, $line) = splice @res, 0, 2, ();
		4479	push @funcs, "[$func] $line";
		4480	}
		4481
		4482	@funcs
		4483	};
		4484
		4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4487	LOG llevInfo, "[ABT] $_\n" for @bt;
		4488	--$_log_backtrace;
		4489	};
		4490	} else {
		4491	LOG llevInfo, "[ABT] $msg\n";
		4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4493	}
		4494	}
		4495
		4496	# load additional modules
		4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
2804		4499
2805	END { cf::emergency_save }	4500	END { cf::emergency_save }
2806		4501
2807	1	4502	1
2808		4503

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