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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.61 ();	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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
268	};	623	}
269	$TICK_WATCHER->stop;	624	};
270	$guard	625
		626	sub get_slot($;$$) {
		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	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
365	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
366		747
367	close $fh	748	my @res = Coro::Util::fork_eval {
368	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
369		752
370	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
371	and return;	754	}
372		755
		756	sub objinfo {
373	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = EV::time;
		907	my $data = $process->(\@data);
		908	my $t2 = EV::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
374	}	920	}
375		921
376	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
377		923
378	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
379		925
380	=cut	926	=cut
381		927
382	sub datalog($@) {	928	sub datalog($@) {
383	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	931	}
386		932
387	=back	933	=back
388		934
389	=cut	935	=cut
390		936
391	#############################################################################	937	#############################################################################
392		938
393	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
394		940
395	Many objects in crossfire are so-called attachable objects. That means you can	941	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")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
398		944
399	In the following description, CLASS can be any of C<global>, C<object>	945	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	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	947	Deliantra).
402		948
403	=over 4	949	=over 4
404		950
405	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
406		952
…		…
450	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
451		997
452	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
454		1000
455	Some classes such as crossfire maps and objects can specify attachments	1001	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.	1002	that are attached at load/instantiate time, thus the need for a name.
457		1003
458	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
459		1005
460	=over 4	1006	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
570		1116
571	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1121
576	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
578		1124
579	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
584		1130
585	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1133
588	} elsif (ref $type) {	1134	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
590		1136
591	} else {	1137	} else {
592	shift @arg;	1138	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
594	}	1140	}
595	}	1141	}
596	}	1142	}
597		1143
598	sub _object_attach {	1144	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
609	}	1155	}
610		1156
611	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
612	} else {	1158	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1160	}
615		1161
616	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
617	}	1163	}
618		1164
…		…
620	if (ref $_[0]) {	1166	if (ref $_[0]) {
621	_object_attach @_;	1167	_object_attach @_;
622	} else {	1168	} else {
623	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
624	}	1170	}
		1171	_recalc_want;
625	};	1172	};
626		1173
627	# all those should be optimised	1174	# all those should be optimised
628	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1180	reattach ($obj);
634	} else {	1181	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
636	}	1183	}
		1184	_recalc_want;
637	};	1185	};
638		1186
639	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
641		1189
…		…
656	";	1204	";
657	die if $@;	1205	die if $@;
658	}	1206	}
659		1207
660	our $override;	1208	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1210
663	sub override {	1211	sub override {
664	$override = 1;	1212	$override = 1;
665	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
666	}	1214	}
667		1215
668	sub do_invoke {	1216	sub do_invoke {
669	my $event = shift;	1217	my $event = shift;
670	my $callbacks = shift;	1218	my $callbacks = shift;
671		1219
672	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
673		1221
674	local $override;	1222	local $override;
675		1223
676	for (@$callbacks) {	1224	for (@$callbacks) {
677	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
678		1226
679	if ($@) {	1227	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1229	override;
683	}	1230	}
684		1231
685	return 1 if $override;	1232	return 1 if $override;
686	}	1233	}
687		1234
688	0	1235	0
689	}	1236	}
690		1237
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1239
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1241
695	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
696		1243
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	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	1245	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1247
701	=back	1248	=back
702		1249
703	=cut	1250	=cut
704		1251
705	#############################################################################	1252	#############################################################################
706	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
707		1296
708	sub reattach {	1297	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1299	my ($obj) = @_;
711		1300
		1301	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1303
714	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
715		1305
716	@$registry = ();	1306	@$registry = ();
717		1307
…		…
722	for (@$attach) {	1312	for (@$attach) {
723	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
725	}	1315	}
726	} else {	1316	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1318	}
729	}	1319	}
730	}	1320	}
731		1321
732	cf::attachable->attach (	1322	cf::attachable->attach (
733	prio => -1000000,	1323	prio => -1000000,
734	on_instantiate => sub {	1324	on_instantiate => sub {
735	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
736		1326
737	$data = from_json $data;	1327	$data = decode_json $data;
738		1328
739	for (@$data) {	1329	for (@$data) {
740	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
741		1331
742	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1348	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
760		1350
761	sync_job {	1351	sync_job {
762	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
765		1357
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
770	close $fh;	1365	aio_close $fh;
771		1366
772	if (@$objs) {	1367	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
778	close $fh;	1376	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
780	}	1378	}
781	} else {	1379	} else {
782	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
783	}	1381	}
784		1382
785	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1387	} else {
787	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
788	}	1389	}
789	} else {	1390	} else {
790	aio_unlink $filename;	1391	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
792	}	1393	}
793	}	1394	};
794	}	1395	}
795		1396
796	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
798		1399
…		…
810	or return;	1411	or return;
811		1412
812	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
814	or return;	1415	or return;
		1416
815	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
816	}	1419	}
817		1420
		1421	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
820	return ($data, $av);	1426	($data, $av)
821	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
822		1434
823	#############################################################################	1435	#############################################################################
824	# command handling &c	1436	# command handling &c
825		1437
826	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
827		1439
828	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
829	$name.	1441	$name.
830		1442
831	=cut	1443	=cut
…		…
837	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
838		1450
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1452	}
841		1453
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
843		1455
844	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
845		1461
846	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
847	called.
848		1463
849	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
850		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
851	sub register_extcmd {	1486	sub register_extcmd($$) {
852	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
853		1488
854	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
855	}	1490	}
856		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
857	cf::player->attach (	1512	cf::player->attach (
858	on_command => sub {	1513	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
860		1515
861	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
862	or return;	1517	or return;
863		1518
…		…
868	cf::override;	1523	cf::override;
869	},	1524	},
870	on_extcmd => sub {	1525	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
872		1527
873	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1529
875	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
878	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
879	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
880	}	1551	}
		1552
881	} else {	1553	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1555	}
884		1556
885	cf::override;	1557	cf::override;
886	},	1558	},
887	);	1559	);
888		1560
		1561	# "readahead" all extensions
889	sub load_extension {	1562	sub cache_extensions {
890	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
891		1564
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1567	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	}	1568	}
917	die $@;
918	}	1569	};
919		1570
920	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
921	}	1583	}
922		1584
923	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
924	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1594	next unless -r $path;
926	eval {	1595
927	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
928	1	1668	}
929	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
930	}	1681	};
931	}	1682	}
932		1683
933	#############################################################################	1684	#############################################################################
934		1685
		1686	=back
		1687
935	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
936		1689
937	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
938		1691
939	=cut	1692	=cut
940		1693
941	package cf::player;	1694	package cf::player;
942		1695
…		…
944		1697
945	=head3 cf::player	1698	=head3 cf::player
946		1699
947	=over 4	1700	=over 4
948		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
949	=item cf::player::find $login	1716	=item cf::player::find $login
950		1717
951	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
952		1719
953	=cut	1720	=cut
954		1721
955	sub playerdir($) {	1722	sub playerdir($) {
956	cf::localdir	1723	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1725	}
962		1726
963	sub path($) {	1727	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1738
975	sub exists($) {	1739	sub exists($) {
976	my ($login) = @_;	1740	my ($login) = @_;
977		1741
978	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
980	}	1744	}
981		1745
982	sub find($) {	1746	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1748	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
995		1759
996	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
997	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
999	}	1769	}
1000	}	1770	}
1001	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1002		1785
1003	sub save($) {	1786	sub save($) {
1004	my ($pl) = @_;	1787	my ($pl) = @_;
1005		1788
1006	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1012		1795
1013	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1015		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1016	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1017	Coro::cede;	1805	cf::cede_to_tick;
1018	}	1806	}
1019		1807
1020	sub new($) {	1808	sub new($) {
1021	my ($login) = @_;	1809	my ($login) = @_;
1022		1810
…		…
1028	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1029		1817
1030	$self	1818	$self
1031	}	1819	}
1032		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1033	=item $pl->quit_character	1831	=item $pl->quit_character
1034		1832
1035	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1037		1835
…		…
1041	my ($pl) = @_;	1839	my ($pl) = @_;
1042		1840
1043	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1044		1842
1045	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1845
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1051	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1052		1854
1053	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1085		1887
1086	=cut	1888	=cut
1087		1889
1088	sub list_logins {	1890	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1892	or return [];
1091		1893
1092	my @logins;	1894	my @logins;
1093		1895
1094	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1098		1906
1099	utf8::decode $login;	1907	utf8::decode $login;
1100	push @logins, $login;	1908	push @logins, $login;
1101	}	1909	}
1102		1910
1103	\@logins	1911	\@logins
1104	}	1912	}
1105		1913
1106	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1107		1917
1108	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1109	player. May block.	1919	player. May block.
1110		1920
1111	=cut	1921	=cut
…		…
1129	}	1939	}
1130		1940
1131	\@paths	1941	\@paths
1132	}	1942	}
1133		1943
1134	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1135		1945
1136	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1137		1947
1138	=cut
1139
1140	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;
1142
1143	$msg{msgid} = $id;
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}
1147
1148	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1149		1949
1150	Sends an ext event to the client.	1950	Sends an ext event to the client.
1151		1951
1152	=cut	1952	=cut
1153		1953
1154	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1156		1956
1157	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1158	}	1958	}
1159		1959
1160	=head3 cf::region	1960	=head3 cf::region
1161		1961
1162	=over 4	1962	=over 4
…		…
1165		1965
1166	package cf::region;	1966	package cf::region;
1167		1967
1168	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1169		1969
1170	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1171		1971
1172	=cut	1972	=cut
1173		1973
1174	sub find_by_path($) {	1974	sub find_by_path($) {
1175	my ($path) = @_;	1975	my ($path) = @_;
1176		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1177	my ($match, $specificity);	1979	my ($match, $specificity);
1178		1980
1179	for my $region (list) {	1981	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1183	}	1985	}
1184	}	1986	}
1185		1987
…		…
1206	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1208		2010
1209	sub generate_random_map {	2011	sub generate_random_map {
1210	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1212	$self->_create_random_map (	2016	$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	}	2017	}
1226		2018
1227	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1228		2020
1229	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1234		2026
1235	sub register {	2027	sub register {
1236	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	2029	my $pkg = caller;
1238		2030
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		2032
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	2034	}
1244		2035
1245	# also paths starting with '/'	2036	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		2038
1248	sub thawer_merge {	2039	sub thawer_merge {
1249	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1250		2041
1251	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1252	local $self->{path};	2043	local $self->{path};
1253	local $self->{load_path};	2044	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		2045
1257	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1258	}	2047	}
1259		2048
1260	sub normalise {	2049	sub normalise {
1261	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1262		2051
1263	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1264		2053
1265	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1266		2055
1267	# map plan:	2056	# map plan:
1268	#	2057	#
…		…
1283	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	2073	$path = "$base/$path";
1285	}	2074	}
1286		2075
1287	for ($path) {	2076	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1291	}	2079	}
1292		2080
1293	$path	2081	$path
…		…
1307	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1308	return $self;	2096	return $self;
1309	}	2097	}
1310	}	2098	}
1311		2099
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2101	()
1314	}	2102	}
1315		2103
		2104	# may re-bless or do other evil things
1316	sub init {	2105	sub init {
1317	my ($self) = @_;	2106	my ($self) = @_;
1318		2107
1319	$self	2108	$self
1320	}	2109	}
…		…
1332		2121
1333	# the original (read-only) location	2122	# the original (read-only) location
1334	sub load_path {	2123	sub load_path {
1335	my ($self) = @_;	2124	my ($self) = @_;
1336		2125
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1338	}	2127	}
1339		2128
1340	# the temporary/swap location	2129	# the temporary/swap location
1341	sub save_path {	2130	sub save_path {
1342	my ($self) = @_;	2131	my ($self) = @_;
1343		2132
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1346	}	2135	}
1347		2136
1348	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1349	sub uniq_path {	2138	sub uniq_path {
1350	my ($self) = @_;	2139	my ($self) = @_;
1351		2140
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1354	}	2143	}
1355		2144
1356	# and all this just because we cannot iterate over	2145	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2146	my ($self) = @_;
1360		2147
1361	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1363	}	2151	}
1364		2152
1365	sub unlink_save {	2153	sub unlink_save {
1366	my ($self) = @_;	2154	my ($self) = @_;
1367		2155
…		…
1372		2160
1373	sub load_header_from($) {	2161	sub load_header_from($) {
1374	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1375		2163
1376	utf8::encode $path;	2164	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2166	or return;
1382		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1383	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1384		2175
1385	1	2176	1
1386	}	2177	}
1387		2178
		2179	# used to laod the header of an original map
1388	sub load_header_orig {	2180	sub load_header_orig {
1389	my ($self) = @_;	2181	my ($self) = @_;
1390		2182
1391	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1392	}	2184	}
1393		2185
		2186	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2187	sub load_header_temp {
1395	my ($self) = @_;	2188	my ($self) = @_;
1396		2189
1397	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1398	}	2191	}
1399		2192
		2193	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2194	sub prepare_temp {
1401	my ($self) = @_;	2195	my ($self) = @_;
1402		2196
1403	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1405	# safety	2199	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2202	}
1409		2203
		2204	# called after loading the header from an original map
1410	sub prepare_orig {	2205	sub prepare_orig {
1411	my ($self) = @_;	2206	my ($self) = @_;
1412		2207
1413	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2220	$self->load_header_orig
1426	or return;	2221	or return;
1427	$self->prepare_orig;	2222	$self->prepare_orig;
1428	}	2223	}
1429		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
1430	$self->default_region (cf::region::find_by_path $self->{path})	2228	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2229	unless $self->default_region;
1432		2230
1433	1	2231	1
1434	}	2232	}
1435		2233
1436	sub find;	2234	sub find;
1437	sub find {	2235	sub find {
1438	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1439		2237
		2238	cf::cede_to_tick;
		2239
1440	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1441		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2244
1444	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1447	or return;	2247	or return;
1448		2248
1449	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1450		2250
1451	$map->load_header	2251	$map->load_header
1452	or return;	2252	or return;
1453		2253
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1457	$map->reset;	2259	$map->reset;
1458	undef $guard;
1459	return find $path;	2260	return find $path;
1460	}	2261	}
1461		2262
1462	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1463	}	2264	}
1464	}	2265	}
1465		2266
1466	sub pre_load { }	2267	sub pre_load { }
1467	sub post_load { }	2268	#sub post_load { } # XS
1468		2269
1469	sub load {	2270	sub load {
1470	my ($self) = @_;	2271	my ($self) = @_;
1471		2272
1472	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1473		2274
1474	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1476		2279
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1478		2282
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2283	$self->alloc;
1482		2284
1483	$self->pre_load;	2285	$self->pre_load;
1484	Coro::cede;	2286	cf::cede_to_tick;
1485		2287
1486	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1487	or return;	2292	or return;
1488		2293
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1490	if delete $self->{load_original};	2295	if delete $self->{load_original};
1491		2296
1492	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2298	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2301	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1497	}	2306	}
1498	}
1499		2307
1500	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1501	# now do the right thing for maps	2317	# now do the right thing for maps
1502	$self->link_multipart_objects;	2318	$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)	2319	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2320	unless $self->difficulty;
1513	Coro::cede;	2321	cf::cede_to_tick;
1514	$self->activate;	2322
1515	Coro::cede;	2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1516	}	2333	}
1517		2334
1518	$self->post_load;	2335	$self->post_load;
1519	Coro::cede;
1520		2336
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1522	}	2338	}
1523		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2343	sub customise_for {
1525	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1526		2345
1527	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2347	if $self->per_player;
1529		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1530	$self	2352	$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	}	2353	}
1556		2354
1557	sub find_sync {	2355	sub find_sync {
1558	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1559		2357
1560	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1561	}	2363	}
1562		2364
1563	sub do_load_sync {	2365	sub do_load_sync {
1564	my ($map) = @_;	2366	my ($map) = @_;
1565		2367
1566	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1567	}	2373	}
1568		2374
1569	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1571		2377
1572	sub find_async {	2378	sub find_async {
1573	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1574		2380
1575	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1576		2382
1577	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1579	}	2385	}
1580		2386
1581	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1582	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1583	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2394	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2395	$map->load if $v;
		2396	}
1588		2397
1589	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1590	}	2399	}
1591	}	2400	}
1592	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1593	};	2402	};
1594	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1595		2404
1596	()	2405	()
1597	}	2406	}
1598		2407
		2408	# common code, used by both ->save and ->swapout
1599	sub save {	2409	sub _save {
1600	my ($self) = @_;	2410	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2411
1604	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1605		2413
1606	return unless $self->dirty;	2414	return unless $self->dirty;
1607		2415
…		…
1613	return if $self->{deny_save};	2421	return if $self->{deny_save};
1614		2422
1615	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1616		2424
1617	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1619	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1620		2431
1621	if ($uniq) {	2432	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2435	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2437	}
1627	}	2438	}
1628		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1629	sub swap_out {	2448	sub swap_out {
1630	my ($self) = @_;	2449	my ($self) = @_;
1631		2450
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1637	return if $self->players;	2455	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1641	$self->clear;	2466	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2467	}
1644		2468
1645	sub reset_at {	2469	sub reset_at {
1646	my ($self) = @_;	2470	my ($self) = @_;
1647		2471
1648	# TODO: safety, remove and allow resettable per-player maps	2472	# 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};	2473	return 1e99 if $self->{deny_reset};
1651		2474
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2477
…		…
1665	my ($self) = @_;	2488	my ($self) = @_;
1666		2489
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2491
1669	return if $self->players;	2492	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2493
1672	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1673		2495
1674	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1675		2497
1676	# need to save uniques path	2498	# need to save uniques path
1677	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2501
…		…
1681	if $uniq;	2503	if $uniq;
1682	}	2504	}
1683		2505
1684	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1685		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2510	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2511
1690	$self->unlink_save;	2512	$self->unlink_save;
1691	$self->destroy;	2513	$self->destroy;
1692	}	2514	}
1693		2515
1694	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1695		2517
1696	sub nuke {	2518	sub nuke {
1697	my ($self) = @_;	2519	my ($self) = @_;
1698		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1699	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1700		2525
1701	$self->unlink_save;	2526	$self->unlink_save;
1702		2527
1703	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2533
1709	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1710		2536
1711	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1712	}	2574	}
1713		2575
1714	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1715		2577
1716	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2579	instantiated unique items. May block.
1718		2580
1719	=cut	2581	=cut
1720		2582
1721	sub unique_maps() {	2583	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1723	or return;	2585	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2586	utf8::decode $_;
1729	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2589	? ()
1732	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2592	]
1734
1735	\@paths
1736	}	2593	}
1737		2594
1738	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1739		2626
1740	=back	2627	=back
1741		2628
1742	=head3 cf::object	2629	=head3 cf::object
1743		2630
…		…
1747		2634
1748	=over 4	2635	=over 4
1749		2636
1750	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1751		2638
1752	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1753		2641
1754	=cut	2642	=cut
1755		2643
1756	sub inv_recursive_;	2644	sub inv_recursive_;
1757	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1760		2648
1761	sub inv_recursive {	2649	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1763	}	2651	}
1764		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1765	package cf;	2681	package cf;
1766		2682
1767	=back	2683	=back
1768		2684
1769	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	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	2692	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1778		2694
1779	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1780		2710
1781	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2712	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1786		2716
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2718
1789	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1791	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1794	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1795	}	2744	}
1796		2745
1797	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1798		2747
1799	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1812		2761
1813	=item $player_object->enter_link	2762	=item $player_object->enter_link
1814		2763
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2765
1817	The player should be reasonably safe there for short amounts of time. You	2766	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.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1819		2770
1820	Will never block.	2771	Will never block.
1821		2772
1822	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1823		2774
…		…
1843	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2795	my ($self) = @_;
1845		2796
1846	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1847		2798
		2799	++$self->{_link_recursion};
		2800
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2802
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1852		2805
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2807	}
1855		2808
1856	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1858		2813
1859	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1860		2815
1861	unless ($map) {	2816	unless ($map) {
1862	# restore original map position	2817	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1875		2830
1876	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1879		2834
1880	$map->load;	2835	$map->load;
1881	$map->load_diag;
1882		2836
1883	return unless $self->contr->active;	2837	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2838
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1888	}	2841	# entering was successful
1889		2842	delete $self->{_link_recursion};
1890	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2844	$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	},	2845	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2846
1904	# try to abort aborted map switching on player login :)	2847	}
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		2848
1922	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1924	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1925		2863
1926	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2875
1929	$self->enter_link;	2876	$self->enter_link;
1930		2877
1931	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1932	my $map = eval {	2900	my $map = eval {
1933	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1935	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2916	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1940	})->prio (1);	2924	})->prio (1);
1941	}	2925	}
1942		2926
1943	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1944		2928
…		…
1964	}	2948	}
1965		2949
1966	sub prepare_random_map {	2950	sub prepare_random_map {
1967	my ($exit) = @_;	2951	my ($exit) = @_;
1968		2952
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2955	# that depends on the exit object
1974		2956
1975	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2959	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1982	}	2966	}
1983		2967
1984	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1985		2969
1986	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1989		2973
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2976	undef $fh;
1993	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1994		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1997	}	2985	}
1998	}	2986	}
1999		2987
2000	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2002		2990
2003	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2004		2992
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;	2993	$self->enter_link;
2017		2994
2018	(async {	2995	(async {
2019	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2020	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2021	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2022		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2023	1;	3034	1
2024	}) {	3035	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2029		3040
2030	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	3042	$self->leave_link;
2032	}	3043	}
2033	})->prio (1);	3044	})->prio (1);
2034	}	3045	}
2035		3046
…		…
2049		3060
2050	utf8::encode $text;	3061	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	3063	}
2053		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2054	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2055		3253
2056	Sends an exti event to the client.	3254	Sends an ext event to the client.
2057		3255
2058	=cut	3256	=cut
2059		3257
2060	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2062		3260
2063	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2064	$self->send_packet ("ext " . cf::to_json \%msg);
2065	}	3262	}
2066		3263
2067	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2068		3265
2069	Queues a query to the client, calling the given callback with	3266	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>,	3267	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>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3269
2073	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3271	become reliable at some point in the future.
2075		3272
2076	=cut	3273	=cut
2077		3274
2078	sub cf::client::query {	3275	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3284	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3286
2090	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2092	}	3291	}
2093		3292
2094	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2095	on_reply => sub {	3299	on_reply => sub {
2096	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2097		3301
2098	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2099	# get handled first	3303	# get handled first
…		…
2111	} else {	3315	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3317	}
2114	}	3318	}
2115	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2116	);	3353	);
2117		3354
2118	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2119		3356
2120	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3373
2137	$coro	3374	$coro
2138	}	3375	}
2139		3376
2140	cf::client->attach (	3377	cf::client->attach (
2141	on_destroy => sub {	3378	on_client_destroy => sub {
2142	my ($ns) = @_;	3379	my ($ns) = @_;
2143		3380
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3382	},
2146	);	3383	);
…		…
2161	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2163		3400
2164	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2165		3402
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2167		3408
2168	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2169		3410
2170	=pod	3411	=pod
2171		3412
2172	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2173		3414
2174	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2175	cf::object::player player	3420	cf::object::player
2176	cf::player peaceful	3421	player
2177	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2178		3428
2179	=cut	3429	=cut
2180		3430
2181	for (	3431	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2186	) {	3438	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3441	for @funs;
2191	}	3442	}
2192		3443
…		…
2207		3458
2208	my $qcode = $code;	3459	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2211		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2212	local $_;	3466	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3467
2215	my $eval =	3468	my $eval =
2216	"do {\n"	3469	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3472	. $code
2220	. "\n}"	3473	. "\n}"
2221	;	3474	;
2222		3475
		3476	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2226		3485
2227	if ($@) {	3486	if ($@) {
2228	warn "$@";	3487	warn "$@",
2229	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2231	}	3490	}
2232		3491
2233	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2234	}	3493	}
2235		3494
…		…
2249	=cut	3508	=cut
2250		3509
2251	sub register_script_function {	3510	sub register_script_function {
2252	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2253		3512
2254	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2256	}	3515	}
2257		3516
2258	=back	3517	=back
2259		3518
2260	=cut	3519	=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($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3520
2334	#############################################################################	3521	#############################################################################
2335	# the server's init and main functions	3522	# the server's init and main functions
2336		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
2337	sub load_facedata($) {	3601	sub load_facedata($) {
2338	my ($path) = @_;	3602	my ($path) = @_;
2339		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
2340	warn "loading facedata from $path\n";	3606	trace "loading facedata from $path\n";
2341		3607
2342	my $facedata;	3608	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		3609
2348	$facedata->{version} == 2	3610	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3612
		3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
2350		3621
2351	{	3622	{
2352	my $faces = $facedata->{faceinfo};	3623	my $faces = $facedata->{faceinfo};
2353		3624
2354	while (my ($face, $info) = each %$faces) {	3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3628
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3629	cf::face::set_visibility $idx, $info->{visibility};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3630	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3631	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;	3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
2360	}	3636	}
2361		3637
2362	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3639	next unless $info->{smooth};
		3640
2364	my $idx = cf::face::find $face	3641	my $idx = cf::face::find $face
2365	or next;	3642	or next;
		3643
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3644	if (my $smooth = cf::face::find $info->{smooth}) {
		3645	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3647	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3648	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3649	}
2371	Coro::cede;
2372	}	3650	}
2373	}	3651	}
2374		3652
2375	{	3653	{
2376	my $anims = $facedata->{animinfo};	3654	my $anims = $facedata->{animinfo};
2377		3655
2378	while (my ($anim, $info) = each %$anims) {	3656	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;
2381	}	3658	}
2382		3659
2383	cf::anim::invalidate_all; # d'oh	3660	cf::anim::invalidate_all; # d'oh
2384	}	3661	}
2385		3662
		3663	{
		3664	my $res = $facedata->{resource};
		3665
		3666	while (my ($name, $info) = each %$res) {
		3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
		3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3670
		3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
		3677	} else {
		3678	# $RESOURCE{$name} = $info; # unused
		3679	}
		3680	}
		3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
2386	1	3697	1
2387	}	3698	}
2388		3699
		3700	register_exticmd fx_want => sub {
		3701	my ($ns, $want) = @_;
		3702
		3703	while (my ($k, $v) = each %$want) {
		3704	$ns->fx_want ($k, $v);
		3705	}
		3706	};
		3707
		3708	sub load_resource_file($) {
		3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
		3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
		3737	load_resource_file "$MAPDIR/regions"
		3738	or die "unable to load regions file\n";
		3739
		3740	for (cf::region::list) {
		3741	$_->{match} = qr/$_->{match}/
		3742	if exists $_->{match};
		3743	}
		3744	}
		3745
2389	sub reload_facedata {	3746	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3747	load_facedata $DATADIR
2391	or die "unable to load facedata\n";	3748	or die "unable to load facedata\n";
2392	}	3749	}
2393		3750
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3751	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3752	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
2402	}	3766	}
2403		3767
2404	sub reload_treasures {	3768	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3769	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3770	or die "unable to load treasurelists\n";
2407	}	3771	}
2408		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
2409	sub reload_resources {	3793	sub reload_resources {
2410	warn "reloading resource files...\n";	3794	trace "reloading resource files...\n";
2411		3795
		3796	reload_materials;
		3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
		3800	reload_archetypes;
2412	reload_regions;	3801	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3802	reload_treasures;
2416		3803
2417	warn "finished reloading resource files\n";	3804	trace "finished reloading resource files\n";
2418	}	3805	}
2419		3806
2420	sub init {	3807	sub reload_config {
2421	reload_resources;	3808	trace "reloading config file...\n";
2422	}
2423		3809
2424	sub cfg_load {	3810	my $config = load_file "$CONFDIR/config";
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3811	utf8::decode $config;
2426	or return;	3812	*CFG = decode_yaml $config;
2427		3813
2428	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;
2430
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3815
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$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};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3818
2436	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2440	};	3823	};
2441	warn $@ if $@;	3824	warn $@ if $@;
2442	}	3825	}
2443	}	3826	}
2444		3827
		3828	sub pidfile() {
		3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
		3854	}
		3855
2445	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2446	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3869	(async {
2450	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2452	};	3873	};
2453		3874
2454	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
		3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
2455	db_init;	3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
2456	load_extensions;	3899	load_extensions;
2457		3900
2458	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
2460	}	3918	}
2461		3919
2462	#############################################################################	3920	#############################################################################
2463	# initialisation and cleanup	3921	# initialisation and cleanup
2464		3922
2465	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
2466	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3927	$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";	3928	cf::cleanup "SIG$signal";
2475	},
2476	);	3929	};
		3930	}
		3931	}
		3932
		3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
		3936	# first touch the runtime file to show we are still running:
		3937	# the fsync below can take a very very long time.
		3938
		3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3940
		3941	my $guard = cf::lock_acquire "write_runtime";
		3942
		3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3944	or return;
		3945
		3946	my $value = $cf::RUNTIME + 90 + 10;
		3947	# 10 is the runtime save interval, for a monotonic clock
		3948	# 60 allows for the watchdog to kill the server.
		3949
		3950	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3951	and return;
		3952
		3953	# always fsync - this file is important
		3954	aio_fsync $fh
		3955	and return;
		3956
		3957	# touch it again to show we are up-to-date
		3958	aio_utime $fh, undef, undef;
		3959
		3960	close $fh
		3961	or return;
		3962
		3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3964	and return;
		3965
		3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3967
2477	}	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
2478	}	4019	}
2479		4020
2480	sub emergency_save() {	4021	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
2482		4023
2483	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
2484		4030
2485	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
2486	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	4042	$pl->save;
2494	}	4043	}
2495	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
2496		4045
2497	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	4051	$map->valid or next;
2501	$map->save;	4052	$map->save;
2502	}	4053	}
2503	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
2504		4055
2505	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
2508	};	4084	};
2509		4085
2510	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
2511	}	4087	}
2512		4088
2513	sub post_cleanup {	4089	sub post_cleanup {
2514	my ($make_core) = @_;	4090	my ($make_core) = @_;
2515		4091
		4092	IO::AIO::flush;
		4093
2516	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	4095	if $make_core;
		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
2518	}	4124	}
2519		4125
2520	sub do_reload_perl() {	4126	sub do_reload_perl() {
2521	# can/must only be called in main	4127	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
2523	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
2524	return;	4130	return;
2525	}	4131	}
2526		4132
2527	warn "reloading...";	4133	return if $RELOAD++;
2528		4134
2529	warn "entering sync_job";	4135	my $t1 = AE::time;
2530		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
2531	cf::sync_job {	4143	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	4144	#cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		4145
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";	4146	trace "perl_reload: cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	4148	%EXT_CORO = ();
2560		4149
2561	warn "removing commands";	4150	trace "perl_reload: removing commands";
2562	%COMMAND = ();	4151	%COMMAND = ();
2563		4152
2564	warn "removing ext commands";	4153	trace "perl_reload: removing ext/exti commands";
2565	%EXTCMD = ();	4154	%EXTCMD = ();
		4155	%EXTICMD = ();
2566		4156
2567	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
2570		4160
2571	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
2572	eval {	4162	eval {
2573	$cb->($pkg);	4163	$cb->($pkg);
2574	1	4164	1
2575	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
2576	}	4170	}
2577		4171
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		4175
2586	warn "... unloading $k";	4176	trace "... unloading $k";
2587	delete $INC{$k};	4177	delete $INC{$k};
2588		4178
2589	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
2591		4181
2592	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
2594	}	4187	}
2595		4188
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		4192
2603	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
		4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		4196
2606	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
2607	# and global variables created in xs	4198	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
2609		4200
2610	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
2611		4202
2612	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
2613	require cf;	4204	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
2615		4206
2616	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
2617	cf::cfg_load;	4208	cf::reload_config;
2618		4209
2619	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
2620	cf::load_extensions;	4211	cf::load_extensions;
2621		4212
		4213	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
2625	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
		4220	}
2628		4221
2629	warn "leaving sync_job";	4222	cf::_post_init 1;
2630		4223
		4224	trace "perl_reload: leaving sync_job";
		4225
2631	1	4226	1
2632	} or do {	4227	} or do {
2633	warn $@;	4228	error $@;
2634	warn "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
2635	exit 1;	4230	};
		4231
		4232	--$RELOAD;
2636	};	4233	}
2637		4234
2638	warn "reloaded";	4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
2639	};	4237	};
2640		4238
2641	our $RELOAD_WATCHER; # used only during reload	4239	our $RELOAD_WATCHER; # used only during reload
2642		4240
2643	sub reload_perl() {	4241	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4242	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4243	# coro crashes during coro_state_free->destroy here.
2646		4244
2647	$RELOAD_WATCHER ||= Event->timer (	4245	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4246	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4247
2650	data => WF_AUTOCANCEL,	4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4249	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4250	undef $RELOAD_WATCHER;
2654	},	4251	};
2655	);	4252	};
2656	}	4253	}
2657		4254
2658	register_command "reload" => sub {	4255	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
2660		4257
2661	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
		4260	async {
		4261	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4262	reload_perl;
		4263	};
2664	}	4264	}
2665	};	4265	};
2666		4266
2667	unshift @INC, $LIBDIR;	4267	#############################################################################
2668		4268
2669	my $bug_warning = 0;	4269	my $bug_warning = 0;
2670		4270
2671	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;
2673
2674	sub wait_for_tick {	4271	sub wait_for_tick() {
2675	return unless $TICK_WATCHER->is_active;	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2676	return if $Coro::current == $Coro::main;
2677		4273
2678	my $signal = new Coro::Signal;	4274	$WAIT_FOR_TICK->wait;
2679	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;
2681	}	4275	}
2682		4276
2683	sub wait_for_tick_begin {	4277	sub wait_for_tick_begin() {
2684	return unless $TICK_WATCHER->is_active;	4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2685	return if $Coro::current == $Coro::main;
2686		4279
2687	my $signal = new Coro::Signal;	4280	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4281	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4282	$signal->wait;
2690	}	4283	}
2691		4284
2692	$TICK_WATCHER = Event->timer (	4285	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) {	4286	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
2702	return;	4289	return;
2703	}	4290	}
2704		4291
2705	$NOW = Event::time;	4292	cf::one_tick; # one server iteration
2706		4293
2707	cf::server_tick; # one server iteration	4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2708		4295
2709	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;
2711
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4298	Coro::async_pool {
		4299	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4300	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4301	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4302	};
		4303	}
2719		4304
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) {	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4306	$sig->send;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4307	}
2738	);	4308	$WAIT_FOR_TICK->broadcast;
		4309
		4310	$LOAD = ($NOW - $TICK_START) / $TICK;
		4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4312
		4313	if (0) {
		4314	if ($NEXT_TICK) {
		4315	my $jitter = $TICK_START - $NEXT_TICK;
		4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4317	debug "jitter $JITTER\n";#d#
		4318	}
		4319	}
		4320	}
2739		4321
2740	{	4322	{
2741	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
2743	reentrant => 0,	4325
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;	4326	BDB::min_parallel 16;
2751		4327	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4328	#$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		4329
2767	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4337
2770	cf::sync_job {	4338	cf::sync_job {
2771	eval {	4339	eval {
2772	BDB::db_env_open	4340	BDB::db_env_open
2773	$DB_ENV,	4341	$DB_ENV,
2774	$BDB_ENV_DIR,	4342	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4345	0666;
2778		4346
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4347	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	};	4348	};
2784		4349
2785	cf::cleanup "db_env_open(db): $@" if $@;	4350	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4351	};
2787	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
2788	}	4365	}
2789		4366
2790	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
2791	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,	4374	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	}	4375	}
		4376
		4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
		4379
		4380	sub _log_backtrace {
		4381	my ($msg, @addr) = @_;
		4382
		4383	$msg =~ s/\n$//;
		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4388	# limit the # of concurrent backtraces
		4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
		4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
		4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
		4396	my @bt = fork_call {
		4397	@addr = map { sprintf "%x", $_ } @addr;
		4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4400	or die "addr2line: $!";
		4401
		4402	my @funcs;
		4403	my @res = <$fh>;
		4404	chomp for @res;
		4405	while (@res) {
		4406	my ($func, $line) = splice @res, 0, 2, ();
		4407	push @funcs, "[$func] $line";
		4408	}
		4409
		4410	@funcs
		4411	};
		4412
		4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4415	LOG llevInfo, "[ABT] $_\n" for @bt;
		4416	--$_log_backtrace;
		4417	};
		4418	} else {
		4419	LOG llevInfo, "[ABT] $msg\n";
		4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4421	}
		4422	}
		4423
		4424	# load additional modules
		4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
2804		4427
2805	END { cf::emergency_save }	4428	END { cf::emergency_save }
2806		4429
2807	1	4430	1
2808		4431

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