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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
21		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
22	use BDB ();	58	use BDB ();
23	use Data::Dumper;	59	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	60	use Fcntl;
26	use YAML::Syck ();	61	use YAML::XS ();
27	use IO::AIO 2.32 ();	62	use IO::AIO ();
28	use Time::HiRes;
29	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
30		67
31	# configure various modules to our taste	68	# configure various modules to our taste
32	#	69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		78
36	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
37		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		81
43	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;
44		85
45	our %COMMAND = ();	86	our %COMMAND = ();
46	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
47		88
48	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
52		96
53	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	98	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103
59	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	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;
62	our $NOW;	144	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		145
65	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		149
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
85	binmode STDOUT;	166	binmode STDOUT;
86	binmode STDERR;	167	binmode STDERR;
87		168
88	# read virtual server time, if available	169	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
93	}	174	}
94		175
95	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	177
97	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		180
102	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
103		182
104	sub cf::map::normalise;	183	sub cf::map::normalise;
105		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
106	#############################################################################	189	#############################################################################
107		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
108	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
109		203
110	=over 4	204	=over 4
111		205
112	=item $cf::UPTIME	206	=item $cf::UPTIME
113		207
114	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.
115		224
116	=item $cf::RUNTIME	225	=item $cf::RUNTIME
117		226
118	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
119	every server tick.	228	every server tick.
120		229
121	=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
122		233
123	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		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
126	=item $cf::NOW	245	=item $cf::LOAD
127		246
128	The time of the last (current) server tick.	247	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		248
134	=item %cf::CFG	249	=item %cf::CFG
135		250
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	252	from wherever your confdir points to.
138		253
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		255
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
143	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
144	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
145		289
146	=back	290	=back
147		291
148	=cut	292	=cut
149		293
150	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	301	my $msg = join "", @_;
153	utf8::encode $msg;
154		302
155	$msg .= "\n"	303	$msg .= "\n"
156	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
157		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
158	LOG llevError, $msg;	308	LOG llevWarn, $msg;
159	};	309	};
160	}	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	};
161		324
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		332
169	# 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
170	# within the Safe compartment.	334	# within the Safe compartment.
171	for my $pkg (qw(	335	for my $pkg (qw(
172	cf::global cf::attachable	336	cf::global cf::attachable
173	cf::object cf::object::player	337	cf::object cf::object::player
174	cf::client cf::player	338	cf::client cf::player
175	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
176	cf::map cf::party cf::region	341	cf::party cf::region
177	)) {	342	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	344	}
181		345
182	$Event::DIED = sub {	346	$EV::DIED = sub {
183	warn "error in event callback: @_";	347	warn "error in event callback: $@";
184	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
185		356
186	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
187		358
188	=over 4	359	=over 4
189		360
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	380	$d
210	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
211	}	382	}
212		383
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
214		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
215	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
216		437
217	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
218		439
219	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
220		441
221	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	513	=item cf::lock_wait $string
224		514
225	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
226		516
227	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
228		518
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
232	returned.	522	returned.
233		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
234	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
235	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
236		529
237	=cut	530	=item $locked = cf::lock_active $string
238		531
239	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
240		537
241	sub lock_wait($) {	538	sub lock_wait($) {
242	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	540	}
250		541
251	sub lock_acquire($) {	542	sub lock_acquire($) {
252	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
253		545
254	# wait, to be sure we are not locked	546	sub lock_active($) {
255	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	548	}
264		549
265	sub freeze_mainloop {	550	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
267		552
268	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
270	};	623	}
271	$TICK_WATCHER->stop;	624	};
272	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
273	}	639	}
274		640
275	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
276		642
277	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		648
283	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
284		650
285	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
286		652
287	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
290		657
291	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
294	fast or be very important.	661	fast or be very important.
…		…
296	=cut	663	=cut
297		664
298	sub sync_job(&) {	665	sub sync_job(&) {
299	my ($job) = @_;	666	my ($job) = @_;
300		667
301	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
302	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
304		673
305	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	675
307	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
308		677
309	my $busy = 1;	678	my $busy = 1;
310	my @res;	679	my @res;
311		680
312	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	683	@res = eval { $job->() };
314	warn $@ if $@;	684	error $@ if $@;
315	undef $busy;	685	undef $busy;
316	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
317		687
318	while ($busy) {	688	while ($busy) {
319	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
320	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
321		699
322	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
323	} else {	701	} else {
324	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
325		703
…		…
345	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
346		724
347	$coro	725	$coro
348	}	726	}
349		727
350	sub write_runtime {	728	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		729
353	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.
354		734
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
356	or return;
357		736
358	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
360	# 60 allows for the watchdog to kill the server.	739	}
361		740
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
363	and return;	742	my ($cb, @args) = @_;
364		743
365	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	745	cf::post_fork;
367	and return;	746	&$cb
		747	} @args;
368		748
369	close $fh	749	wantarray ? @res : $res[-1]
370	or return;	750	}
371		751
372	aio_rename "$runtime~", $runtime	752	sub objinfo {
373	and return;
374
375	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
376	}	916	}
377		917
378	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
379		919
380	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
381		921
382	=cut	922	=cut
383		923
384	sub datalog($@) {	924	sub datalog($@) {
385	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	927	}
388		928
389	=back	929	=back
390		930
391	=cut	931	=cut
392		932
393	#############################################################################	933	#############################################################################
394		934
395	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
396		936
397	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
400		940
401	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	943	Deliantra).
404		944
405	=over 4	945	=over 4
406		946
407	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
408		948
…		…
452	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
453		993
454	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
456		996
457	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
459		999
460	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
461		1001
462	=over 4	1002	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
572		1112
573	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1117
578	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
580		1120
581	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
586		1126
587	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1129
590	} elsif (ref $type) {	1130	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
592		1132
593	} else {	1133	} else {
594	shift @arg;	1134	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
596	}	1136	}
597	}	1137	}
598	}	1138	}
599		1139
600	sub _object_attach {	1140	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
611	}	1151	}
612		1152
613	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
614	} else {	1154	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1156	}
617		1157
618	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
619	}	1159	}
620		1160
…		…
622	if (ref $_[0]) {	1162	if (ref $_[0]) {
623	_object_attach @_;	1163	_object_attach @_;
624	} else {	1164	} else {
625	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
626	}	1166	}
		1167	_recalc_want;
627	};	1168	};
628		1169
629	# all those should be optimised	1170	# all those should be optimised
630	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1176	reattach ($obj);
636	} else {	1177	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
638	}	1179	}
		1180	_recalc_want;
639	};	1181	};
640		1182
641	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
643		1185
…		…
658	";	1200	";
659	die if $@;	1201	die if $@;
660	}	1202	}
661		1203
662	our $override;	1204	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1206
665	sub override {	1207	sub override {
666	$override = 1;	1208	$override = 1;
667	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
668	}	1210	}
669		1211
670	sub do_invoke {	1212	sub do_invoke {
671	my $event = shift;	1213	my $event = shift;
672	my $callbacks = shift;	1214	my $callbacks = shift;
673		1215
674	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
675		1217
676	local $override;	1218	local $override;
677		1219
678	for (@$callbacks) {	1220	for (@$callbacks) {
679	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
680		1222
681	if ($@) {	1223	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1225	override;
685	}	1226	}
686		1227
687	return 1 if $override;	1228	return 1 if $override;
688	}	1229	}
689		1230
690	0	1231	0
691	}	1232	}
692		1233
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1235
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1237
697	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
698		1239
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1243
703	=back	1244	=back
704		1245
705	=cut	1246	=cut
706		1247
707	#############################################################################	1248	#############################################################################
708	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
709		1292
710	sub reattach {	1293	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1295	my ($obj) = @_;
713		1296
		1297	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1299
716	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
717		1301
718	@$registry = ();	1302	@$registry = ();
719		1303
…		…
724	for (@$attach) {	1308	for (@$attach) {
725	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
727	}	1311	}
728	} else {	1312	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1314	}
731	}	1315	}
732	}	1316	}
733		1317
734	cf::attachable->attach (	1318	cf::attachable->attach (
735	prio => -1000000,	1319	prio => -1000000,
736	on_instantiate => sub {	1320	on_instantiate => sub {
737	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
738		1322
739	$data = from_json $data;	1323	$data = decode_json $data;
740		1324
741	for (@$data) {	1325	for (@$data) {
742	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
743		1327
744	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1344	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
762		1346
763	sync_job {	1347	sync_job {
764	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
767		1353
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
772	close $fh;	1361	aio_close $fh;
773		1362
774	if (@$objs) {	1363	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
780	close $fh;	1372	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
782	}	1374	}
783	} else {	1375	} else {
784	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
785	}	1377	}
786		1378
787	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1383	} else {
789	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
790	}	1385	}
791	} else {	1386	} else {
792	aio_unlink $filename;	1387	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
794	}	1389	}
795	}	1390	};
796	}	1391	}
797		1392
798	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
800		1395
…		…
812	or return;	1407	or return;
813		1408
814	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
816	or return;	1411	or return;
		1412
817	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
818	}	1415	}
819		1416
		1417	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
822	return ($data, $av);	1422	($data, $av)
823	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
824		1430
825	#############################################################################	1431	#############################################################################
826	# command handling &c	1432	# command handling &c
827		1433
828	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
829		1435
830	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
831	$name.	1437	$name.
832		1438
833	=cut	1439	=cut
…		…
839	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
840		1446
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1448	}
843		1449
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
845		1451
846	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
847		1457
848	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
849	called.
850		1459
851	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
852		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
853	sub register_extcmd {	1482	sub register_extcmd($$) {
854	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
855		1484
856	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
857	}	1486	}
858		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
859	cf::player->attach (	1508	cf::player->attach (
860	on_command => sub {	1509	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
862		1511
863	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
864	or return;	1513	or return;
865		1514
…		…
870	cf::override;	1519	cf::override;
871	},	1520	},
872	on_extcmd => sub {	1521	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
874		1523
875	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1525
877	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
880	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
881	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
882	}	1547	}
		1548
883	} else {	1549	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1551	}
886		1552
887	cf::override;	1553	cf::override;
888	},	1554	},
889	);	1555	);
890		1556
		1557	# "readahead" all extensions
891	sub load_extension {	1558	sub cache_extensions {
892	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
893		1560
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1564	}
919	die $@;
920	}	1565	};
921		1566
922	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
923	}	1579	}
924		1580
925	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
926	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1590	next unless -r $path;
928	eval {	1591
929	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
930	1	1664	}
931	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
932	}	1677	};
933	}	1678	}
934		1679
935	#############################################################################	1680	#############################################################################
936		1681
		1682	=back
		1683
937	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
938		1685
939	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
940		1687
941	=cut	1688	=cut
942		1689
943	package cf::player;	1690	package cf::player;
944		1691
…		…
946		1693
947	=head3 cf::player	1694	=head3 cf::player
948		1695
949	=over 4	1696	=over 4
950		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
		1711
951	=item cf::player::find $login	1712	=item cf::player::find $login
952		1713
953	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
954		1715
955	=cut	1716	=cut
956		1717
957	sub playerdir($) {	1718	sub playerdir($) {
958	cf::localdir	1719	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1721	}
964		1722
965	sub path($) {	1723	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1725
968	(playerdir $login) . "/$login.pl"	1726	(playerdir $login) . "/playerdata"
969	}	1727	}
970		1728
971	sub find_active($) {	1729	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1730	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1731	and $cf::PLAYER{$_[0]}->active
…		…
976		1734
977	sub exists($) {	1735	sub exists($) {
978	my ($login) = @_;	1736	my ($login) = @_;
979		1737
980	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
982	}	1740	}
983		1741
984	sub find($) {	1742	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1744	my $login = $_[0];
987		1745
988	my $guard = cf::lock_acquire "user_find:$login";	1746	my $guard = cf::lock_acquire "user_find:$login";
989		1747
990	$cf::PLAYER{$_[0]} || do {	1748	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1749	# rename old playerfiles to new ones
		1750	#TODO: remove when no longer required
		1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1754	aio_unlink +(playerdir $login) . "/$login.pl";
		1755
		1756	my $f = new_from_file cf::object::thawer path $login
992	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
994	}	1765	}
995	}	1766	}
996	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
997		1781
998	sub save($) {	1782	sub save($) {
999	my ($pl) = @_;	1783	my ($pl) = @_;
1000		1784
1001	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1007		1791
1008	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1010		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1011	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1012	Coro::cede;	1801	cf::cede_to_tick;
1013	}	1802	}
1014		1803
1015	sub new($) {	1804	sub new($) {
1016	my ($login) = @_;	1805	my ($login) = @_;
1017		1806
…		…
1023	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1024		1813
1025	$self	1814	$self
1026	}	1815	}
1027		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1028	=item $pl->quit_character	1827	=item $pl->quit_character
1029		1828
1030	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1032		1831
…		…
1036	my ($pl) = @_;	1835	my ($pl) = @_;
1037		1836
1038	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1039		1838
1040	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1841
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1046	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1047		1850
1048	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1080		1883
1081	=cut	1884	=cut
1082		1885
1083	sub list_logins {	1886	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1888	or return [];
1086		1889
1087	my @logins;	1890	my @logins;
1088		1891
1089	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1093		1902
1094	utf8::decode $login;	1903	utf8::decode $login;
1095	push @logins, $login;	1904	push @logins, $login;
1096	}	1905	}
1097		1906
1098	\@logins	1907	\@logins
1099	}	1908	}
1100		1909
1101	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1102		1913
1103	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1104	player. May block.	1915	player. May block.
1105		1916
1106	=cut	1917	=cut
…		…
1124	}	1935	}
1125		1936
1126	\@paths	1937	\@paths
1127	}	1938	}
1128		1939
1129	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1130		1941
1131	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1132		1943
1133	=cut
1134
1135	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;
1137
1138	$msg{msgid} = $id;
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}
1142
1143	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1144		1945
1145	Sends an ext event to the client.	1946	Sends an ext event to the client.
1146		1947
1147	=cut	1948	=cut
1148		1949
1149	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1151		1952
1152	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1153	}	1954	}
1154		1955
1155	package cf;	1956	=head3 cf::region
		1957
		1958	=over 4
		1959
		1960	=cut
		1961
		1962	package cf::region;
		1963
		1964	=item cf::region::find_by_path $path
		1965
		1966	Tries to decuce the likely region for a map knowing only its path.
		1967
		1968	=cut
		1969
		1970	sub find_by_path($) {
		1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
		1975	my ($match, $specificity);
		1976
		1977	for my $region (list) {
		1978	if ($region->{match} && $path =~ $region->{match}) {
		1979	($match, $specificity) = ($region, $region->specificity)
		1980	if $region->specificity > $specificity;
		1981	}
		1982	}
		1983
		1984	$match
		1985	}
1156		1986
1157	=back	1987	=back
1158
1159		1988
1160	=head3 cf::map	1989	=head3 cf::map
1161		1990
1162	=over 4	1991	=over 4
1163		1992
…		…
1175	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1177		2006
1178	sub generate_random_map {	2007	sub generate_random_map {
1179	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1180	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1181	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1185	$rmp->{exit_on_final_map},
1186	$rmp->{xsize}, $rmp->{ysize},
1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1192	(cf::region::find $rmp->{region}), $rmp->{custom}
1193	)
1194	}	2013	}
1195		2014
1196	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1197		2016
1198	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1203		2022
1204	sub register {	2023	sub register {
1205	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1206	my $pkg = caller;	2025	my $pkg = caller;
1207		2026
1208	no strict;
1209	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1210		2028
1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212	}	2030	}
1213		2031
1214	# also paths starting with '/'	2032	# also paths starting with '/'
1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1216		2034
1217	sub thawer_merge {	2035	sub thawer_merge {
1218	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1219		2037
1220	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1221	local $self->{path};	2039	local $self->{path};
1222	local $self->{load_path};	2040	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		2041
1226	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1227	}	2043	}
1228		2044
1229	sub normalise {	2045	sub normalise {
1230	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1231		2047
1232	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1233		2049
1234	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1235		2051
1236	# map plan:	2052	# map plan:
1237	#	2053	#
…		…
1252	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1253	$path = "$base/$path";	2069	$path = "$base/$path";
1254	}	2070	}
1255		2071
1256	for ($path) {	2072	for ($path) {
1257	redo if s{//}{/};
1258	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1259	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1260	}	2075	}
1261		2076
1262	$path	2077	$path
…		…
1276	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1277	return $self;	2092	return $self;
1278	}	2093	}
1279	}	2094	}
1280		2095
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1282	()	2097	()
1283	}	2098	}
1284		2099
		2100	# may re-bless or do other evil things
1285	sub init {	2101	sub init {
1286	my ($self) = @_;	2102	my ($self) = @_;
1287		2103
1288	$self	2104	$self
1289	}	2105	}
…		…
1301		2117
1302	# the original (read-only) location	2118	# the original (read-only) location
1303	sub load_path {	2119	sub load_path {
1304	my ($self) = @_;	2120	my ($self) = @_;
1305		2121
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1307	}	2123	}
1308		2124
1309	# the temporary/swap location	2125	# the temporary/swap location
1310	sub save_path {	2126	sub save_path {
1311	my ($self) = @_;	2127	my ($self) = @_;
1312		2128
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1315	}	2131	}
1316		2132
1317	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1318	sub uniq_path {	2134	sub uniq_path {
1319	my ($self) = @_;	2135	my ($self) = @_;
1320		2136
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1323	}	2139	}
1324		2140
1325	# and all this just because we cannot iterate over	2141	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	2142	my ($self) = @_;
1329		2143
1330	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1332	}	2147	}
1333		2148
1334	sub unlink_save {	2149	sub unlink_save {
1335	my ($self) = @_;	2150	my ($self) = @_;
1336		2151
…		…
1341		2156
1342	sub load_header_from($) {	2157	sub load_header_from($) {
1343	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1344		2159
1345	utf8::encode $path;	2160	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	2162	or return;
1351		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1352	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1353		2171
1354	1	2172	1
1355	}	2173	}
1356		2174
		2175	# used to laod the header of an original map
1357	sub load_header_orig {	2176	sub load_header_orig {
1358	my ($self) = @_;	2177	my ($self) = @_;
1359		2178
1360	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1361	}	2180	}
1362		2181
		2182	# used to laod the header of an instantiated map
1363	sub load_header_temp {	2183	sub load_header_temp {
1364	my ($self) = @_;	2184	my ($self) = @_;
1365		2185
1366	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1367	}	2187	}
1368		2188
		2189	# called after loading the header from an instantiated map
1369	sub prepare_temp {	2190	sub prepare_temp {
1370	my ($self) = @_;	2191	my ($self) = @_;
1371		2192
1372	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1373	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1374	# safety	2195	# safety
1375	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1376	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1377	}	2198	}
1378		2199
		2200	# called after loading the header from an original map
1379	sub prepare_orig {	2201	sub prepare_orig {
1380	my ($self) = @_;	2202	my ($self) = @_;
1381		2203
1382	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1383	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1394	$self->load_header_orig	2216	$self->load_header_orig
1395	or return;	2217	or return;
1396	$self->prepare_orig;	2218	$self->prepare_orig;
1397	}	2219	}
1398		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
		2224	$self->default_region (cf::region::find_by_path $self->{path})
		2225	unless $self->default_region;
		2226
1399	1	2227	1
1400	}	2228	}
1401		2229
1402	sub find;	2230	sub find;
1403	sub find {	2231	sub find {
1404	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1405		2233
		2234	cf::cede_to_tick;
		2235
1406	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1407		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1409		2240
1410	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1413	or return;	2243	or return;
1414		2244
1415	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1416		2246
1417	$map->load_header	2247	$map->load_header
1418	or return;	2248	or return;
1419		2249
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1423	$map->reset;	2255	$map->reset;
1424	undef $guard;
1425	return find $path;	2256	return find $path;
1426	}	2257	}
1427		2258
1428	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1429	}	2260	}
1430	}	2261	}
1431		2262
1432	sub pre_load { }	2263	sub pre_load { }
1433	sub post_load { }	2264	#sub post_load { } # XS
1434		2265
1435	sub load {	2266	sub load {
1436	my ($self) = @_;	2267	my ($self) = @_;
1437		2268
1438	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1439		2270
1440	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1442		2275
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1444		2278
1445	$self->in_memory (cf::MAP_LOADING);
1446
1447	$self->alloc;	2279	$self->alloc;
1448		2280
1449	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1450		2283
1451	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1452	or return;	2288	or return;
1453		2289
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1455	if delete $self->{load_original};	2291	if delete $self->{load_original};
1456		2292
1457	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2294	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2297	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1462	}	2302	}
1463	}
1464		2303
1465	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1466		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1467	# now do the right thing for maps	2313	# now do the right thing for maps
1468	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2316	unless $self->difficulty;
1478	Coro::cede;	2317	cf::cede_to_tick;
1479	$self->activate;	2318
		2319	unless ($self->{deny_activate}) {
		2320	$self->decay_objects;
		2321	$self->fix_auto_apply;
		2322	$self->update_buttons;
		2323	cf::cede_to_tick;
		2324	#$self->activate; # no longer activate maps automatically
		2325	}
		2326
		2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1480	}	2329	}
1481		2330
1482	$self->post_load;	2331	$self->post_load;
1483		2332
1484	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1485	}	2334	}
1486		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1487	sub customise_for {	2339	sub customise_for {
1488	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1489		2341
1490	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2343	if $self->per_player;
1492		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1493	$self	2348	$self
1494	}
1495
1496	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {
1498	my ($map) = @_;
1499
1500	my @diag; # diagonal neighbours
1501
1502	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)
1504	or next;
1505	$neigh = find $neigh, $map
1506	or next;
1507	$neigh->load;
1508
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}
1512
1513	for (@diag) {
1514	my $neigh = find @$_
1515	or next;
1516	$neigh->load;
1517	}
1518	}	2349	}
1519		2350
1520	sub find_sync {	2351	sub find_sync {
1521	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1522		2353
1523	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1524	}	2359	}
1525		2360
1526	sub do_load_sync {	2361	sub do_load_sync {
1527	my ($map) = @_;	2362	my ($map) = @_;
1528		2363
1529	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1530	}	2369	}
1531		2370
1532	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1534		2373
1535	sub find_async {	2374	sub find_async {
1536	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1537		2376
1538	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1539		2378
1540	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1542	}	2381	}
1543		2382
1544	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1545	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1546	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2390	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2391	$map->load if $v;
		2392	}
1551		2393
1552	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1553	}	2395	}
1554	}	2396	}
1555	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1556	};	2398	};
1557	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1558		2400
1559	()	2401	()
1560	}	2402	}
1561		2403
		2404	# common code, used by both ->save and ->swapout
1562	sub save {	2405	sub _save {
1563	my ($self) = @_;	2406	my ($self) = @_;
1564
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1566		2407
1567	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1568		2409
1569	return unless $self->dirty;	2410	return unless $self->dirty;
1570		2411
…		…
1576	return if $self->{deny_save};	2417	return if $self->{deny_save};
1577		2418
1578	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1579		2420
1580	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1582	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1583		2427
1584	if ($uniq) {	2428	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2431	} else {
1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1589	}	2433	}
1590	}	2434	}
1591		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1592	sub swap_out {	2444	sub swap_out {
1593	my ($self) = @_;	2445	my ($self) = @_;
1594		2446
1595	# save first because save cedes
1596	$self->save;
1597
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1600	return if $self->players;	2451	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};
1603		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1604	$self->clear;	2462	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2463	}
1607		2464
1608	sub reset_at {	2465	sub reset_at {
1609	my ($self) = @_;	2466	my ($self) = @_;
1610		2467
1611	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1614		2470
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2473
…		…
1628	my ($self) = @_;	2484	my ($self) = @_;
1629		2485
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2487
1632	return if $self->players;	2488	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2489
1635	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1636		2491
1637	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1638		2493
1639	# need to save uniques path	2494	# need to save uniques path
1640	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1641	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1642		2497
…		…
1644	if $uniq;	2499	if $uniq;
1645	}	2500	}
1646		2501
1647	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1648		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2506	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2507
1653	$self->unlink_save;	2508	$self->unlink_save;
1654	$self->destroy;	2509	$self->destroy;
1655	}	2510	}
1656		2511
1657	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1658		2513
1659	sub nuke {	2514	sub nuke {
1660	my ($self) = @_;	2515	my ($self) = @_;
1661		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1662	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1663		2521
1664	$self->unlink_save;	2522	$self->unlink_save;
1665		2523
1666	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1667	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2529
1672	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1673		2532
1674	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1675	}	2570	}
1676		2571
1677	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1678		2573
1679	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2575	instantiated unique items. May block.
1681		2576
1682	=cut	2577	=cut
1683		2578
1684	sub unique_maps() {	2579	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1686	or return;	2581	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2582	utf8::decode $_;
1692	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2585	? ()
1695	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2588	]
1697
1698	\@paths
1699	}	2589	}
1700		2590
1701	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1702		2622
1703	=back	2623	=back
1704		2624
1705	=head3 cf::object	2625	=head3 cf::object
1706		2626
…		…
1710		2630
1711	=over 4	2631	=over 4
1712		2632
1713	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1714		2634
1715	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1716		2637
1717	=cut	2638	=cut
1718		2639
1719	sub inv_recursive_;	2640	sub inv_recursive_;
1720	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1723		2644
1724	sub inv_recursive {	2645	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1726	}	2647	}
1727		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1728	package cf;	2677	package cf;
1729		2678
1730	=back	2679	=back
1731		2680
1732	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1741		2690
1742	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1743		2706
1744	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2708	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1749		2712
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2714
1752	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1754	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1757	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1758	}	2740	}
1759		2741
1760	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1761		2743
1762	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1775		2757
1776	=item $player_object->enter_link	2758	=item $player_object->enter_link
1777		2759
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2761
1780	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1782		2766
1783	Will never block.	2767	Will never block.
1784		2768
1785	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1786		2770
…		…
1806	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1807	my ($self) = @_;	2791	my ($self) = @_;
1808		2792
1809	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1810		2794
		2795	++$self->{_link_recursion};
		2796
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2798
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1815		2801
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1817	}	2803	}
1818		2804
1819	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1821		2809
1822	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1823		2811
1824	unless ($map) {	2812	unless ($map) {
1825	# restore original map position	2813	# restore original map position
…		…
1836	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1837	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1838		2826
1839	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1842		2830
1843	$map->load;	2831	$map->load;
1844	$map->load_diag;
1845		2832
1846	return unless $self->contr->active;	2833	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2834
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1851	}	2837	# entering was successful
1852		2838	delete $self->{_link_recursion};
1853	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2840	$self->activate_recursive;
1855	my ($pl) = @_;
1856
1857	# abort map switching before logout
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},	2841	}
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2842
1867	# try to abort aborted map switching on player login :)	2843	}
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2844
1885	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1886		2846
		2847	Moves the player to the given map-path and coordinates by first freezing
		2848	her, loading and preparing them map, calling the provided $check callback
		2849	that has to return the map if sucecssful, and then unfreezes the player on
		2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
1887	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1888		2859
1889	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
		2869	# do generation counting so two concurrent goto's will be executed in-order
		2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2871
1892	$self->enter_link;	2872	$self->enter_link;
1893		2873
1894	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1895	my $map = eval {	2896	my $map = eval {
1896	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2900	$map = $map->customise_for ($self);
		2901	$map = $check->($map, $x, $y, $self) if $check && $map;
		2902	} else {
		2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2904	}
		2905
1898	$map	2906	$map
		2907	};
		2908
		2909	if ($@) {
		2910	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2911	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2912	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1903	})->prio (1);	2920	})->prio (1);
1904	}	2921	}
1905		2922
1906	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1907		2924
…		…
1927	}	2944	}
1928		2945
1929	sub prepare_random_map {	2946	sub prepare_random_map {
1930	my ($exit) = @_;	2947	my ($exit) = @_;
1931		2948
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2951	# that depends on the exit object
1937		2952
1938	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2955	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1945	}	2962	}
1946		2963
1947	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1948		2965
1949	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1952		2969
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2972	undef $fh;
1956	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1957		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1960	}	2981	}
1961	}	2982	}
1962		2983
1963	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1965		2986
1966	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1967		2988
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	# the problem is that $exit might not survive long enough
1971	# so it needs to be done right now, right here
1972	cf::sync_job { prepare_random_map $exit };
1973	}
1974
1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;
1978
1979	$self->enter_link;	2989	$self->enter_link;
1980		2990
1981	(async {	2991	(async {
1982	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1983	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
1984	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1985		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
1986	1;	3030	1
1987	}) {	3031	}) {
1988	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1989	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
1990	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1991	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1992		3036
1993	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1994	$self->leave_link;	3038	$self->leave_link;
1995	}	3039	}
1996	})->prio (1);	3040	})->prio (1);
1997	}	3041	}
1998		3042
1999	=head3 cf::client	3043	=head3 cf::client
2000		3044
2001	=over 4	3045	=over 4
2002		3046
2003	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2004		3048
2005	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2006	should not be used under normal circumstances.	3050	them as required.
2007		3051
2008	=cut	3052	=cut
2009		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
		3056	sub cf::client::send_big_packet {
		3057	my ($self, $pkt) = @_;
		3058
		3059	# try lzf for large packets
		3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
		3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3073
		3074	Send a msg packet to the client, formatting the msg for the client if
		3075	necessary. C<$type> should be a string identifying the type of the
		3076	message, with C<log> being the default. If C<$color> is negative, suppress
		3077	the message unless the client supports the msg packet.
		3078
		3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2010	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2011	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2012		3203
2013	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2015	}
2016		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2017	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2018		3241
2019	Sends an exti event to the client.	3242	Sends an ext event to the client.
2020		3243
2021	=cut	3244	=cut
2022		3245
2023	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2025		3248
2026	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2027	$self->send_packet ("ext " . cf::to_json \%msg);
2028	}	3250	}
2029		3251
2030	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2031		3253
2032	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3255	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3256	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		3257
2036	Queries can fail, so check the return code. Or don't, as queries will become	3258	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	3259	become reliable at some point in the future.
2038		3260
2039	=cut	3261	=cut
2040		3262
2041	sub cf::client::query {	3263	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	3272	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		3274
2053	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2055	}	3318	}
2056		3319
2057	cf::client->attach (	3320	cf::client->attach (
		3321	on_connect => sub {
		3322	my ($ns) = @_;
		3323
		3324	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3325	},
2058	on_reply => sub {	3326	on_reply => sub {
2059	my ($ns, $msg) = @_;	3327	my ($ns, $msg) = @_;
2060		3328
2061	# this weird shuffling is so that direct followup queries	3329	# this weird shuffling is so that direct followup queries
2062	# get handled first	3330	# get handled first
…		…
2074	} else {	3342	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3343	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	3344	}
2077	}	3345	}
2078	},	3346	},
		3347	on_exticmd => sub {
		3348	my ($ns, $buf) = @_;
		3349
		3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3351
		3352	if (ref $msg) {
		3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3354
		3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
		3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
		3373	}
		3374	} else {
		3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3376	}
		3377
		3378	cf::override;
		3379	},
2079	);	3380	);
2080		3381
2081	=item $client->async (\&cb)	3382	=item $client->async (\&cb)
2082		3383
2083	Create a new coroutine, running the specified callback. The coroutine will	3384	Create a new coroutine, running the specified callback. The coroutine will
…		…
2099		3400
2100	$coro	3401	$coro
2101	}	3402	}
2102		3403
2103	cf::client->attach (	3404	cf::client->attach (
2104	on_destroy => sub {	3405	on_client_destroy => sub {
2105	my ($ns) = @_;	3406	my ($ns) = @_;
2106		3407
2107	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2108	},	3409	},
2109	);	3410	);
…		…
2124	our $safe = new Safe "safe";	3425	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2126		3427
2127	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2128		3429
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3430	$safe->permit_only (Opcode::opset qw(
		3431	:base_core :base_mem :base_orig :base_math :base_loop
		3432	grepstart grepwhile mapstart mapwhile
		3433	sort time
		3434	));
2130		3435
2131	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
2132		3437
2133	=pod	3438	=pod
2134		3439
2135	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2136		3441
2137	cf::object contr pay_amount pay_player map	3442	cf::object
		3443	contr pay_amount pay_player map x y force_find force_add destroy
		3444	insert remove name archname title slaying race decrease split
		3445	value
		3446
2138	cf::object::player player	3447	cf::object::player
2139	cf::player peaceful	3448	player
2140	cf::map trigger	3449
		3450	cf::player
		3451	peaceful
		3452
		3453	cf::map
		3454	trigger
2141		3455
2142	=cut	3456	=cut
2143		3457
2144	for (	3458	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3460	insert remove inv nrof name archname title slaying race
		3461	decrease split destroy change_exp value msg lore send_msg)],
2146	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2148	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2149	) {	3465	) {
2150	no strict 'refs';
2151	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2152	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2153	for @funs;	3468	for @funs;
2154	}	3469	}
2155		3470
…		…
2170		3485
2171	my $qcode = $code;	3486	my $qcode = $code;
2172	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2173	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2174		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2175	local $_;	3493	local $_;
2176	local @safe::cf::_safe_eval_args = values %vars;
2177		3494
2178	my $eval =	3495	my $eval =
2179	"do {\n"	3496	"do {\n"
2180	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2181	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2182	. $code	3499	. $code
2183	. "\n}"	3500	. "\n}"
2184	;	3501	;
2185		3502
		3503	if ($CFG{safe_eval}) {
2186	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2187	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2188	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2189		3512
2190	if ($@) {	3513	if ($@) {
2191	warn "$@";	3514	warn "$@",
2192	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
2193	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
2194	}	3517	}
2195		3518
2196	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
2197	}	3520	}
2198		3521
…		…
2212	=cut	3535	=cut
2213		3536
2214	sub register_script_function {	3537	sub register_script_function {
2215	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
2216		3539
2217	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
2218	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
2219	}	3542	}
2220		3543
2221	=back	3544	=back
2222		3545
2223	=cut	3546	=cut
2224
2225	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296		3547
2297	#############################################################################	3548	#############################################################################
2298	# the server's init and main functions	3549	# the server's init and main functions
2299		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
2300	sub load_facedata {	3628	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3629	my ($path) = @_;
2302		3630
		3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3632
2303	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
2304		3634
2305	my $faces;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
2306	0 < aio_load $path, $faces
2307	or die "$path: $!";
2308		3636
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;
2311	Coro::cede;
2312
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3637	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2316		3639
2317	while (my ($face, $info) = each %$faces) {	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3642
		3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3644
		3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
		3648
		3649	{
		3650	my $faces = $facedata->{faceinfo};
		3651
		3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2322	Coro::cede;
2323	}
2324		3655
		3656	cf::face::set_visibility $idx, $info->{visibility};
		3657	cf::face::set_magicmap $idx, $info->{magicmap};
		3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
		3663	}
		3664
2325	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
2327	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
		3669	or next;
		3670
		3671	if (my $smooth = cf::face::find $info->{smooth}) {
		3672	cf::face::set_smooth $idx, $smooth;
		3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3674	} else {
		3675	error "smooth face '$info->{smooth}' not found for face '$face'";
		3676	}
		3677	}
		3678	}
		3679
		3680	{
		3681	my $anims = $facedata->{animinfo};
		3682
		3683	while (my ($anim, $info) = each %$anims) {
		3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3685	}
		3686
		3687	cf::anim::invalidate_all; # d'oh
		3688	}
		3689
		3690	{
		3691	my $res = $facedata->{resource};
		3692
		3693	while (my ($name, $info) = each %$res) {
		3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
		3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3697
		3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
		3704	} else {
		3705	# $RESOURCE{$name} = $info; # unused
		3706	}
		3707	}
		3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
		3724	1
		3725	}
		3726
		3727	register_exticmd fx_want => sub {
		3728	my ($ns, $want) = @_;
		3729
		3730	while (my ($k, $v) = each %$want) {
		3731	$ns->fx_want ($k, $v);
		3732	}
		3733	};
		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
		3758
		3759	sub reload_regions {
		3760	# HACK to clear player env face cache, we need some signal framework
		3761	# for this (global event?)
		3762	%ext::player_env::MUSIC_FACE_CACHE = ();
		3763
		3764	load_resource_file "$MAPDIR/regions"
		3765	or die "unable to load regions file\n";
		3766
		3767	for (cf::region::list) {
		3768	$_->{match} = qr/$_->{match}/
		3769	if exists $_->{match};
		3770	}
		3771	}
		3772
		3773	sub reload_facedata {
		3774	load_facedata $DATADIR
		3775	or die "unable to load facedata\n";
		3776	}
		3777
		3778	sub reload_archetypes {
		3779	load_resource_file "$DATADIR/archetypes"
		3780	or die "unable to load archetypes\n";
		3781
		3782	cf::face::set
		3783	"res/skill_info" => FT_RSRC,
		3784	JSON::XS->new->utf8->canonical->encode (
		3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
		3807	}
		3808
		3809	sub reload_treasures {
		3810	load_resource_file "$DATADIR/treasures"
		3811	or die "unable to load treasurelists\n";
		3812	}
		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
2328	or next;	3821	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;
2331	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}
2334	Coro::cede;
2335	}
2336		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2337	1	3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
2338	}	3832	}
2339		3833
2340	sub reload_resources {	3834	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3835	trace "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3836
		3837	reload_materials;
2343	load_facedata	3838	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3839	reload_exp_table;
2345	}	3840	reload_sound;
2346		3841	reload_archetypes;
2347	sub init {
2348	reload_resources;	3842	reload_regions;
2349	}	3843	reload_treasures;
2350		3844
2351	sub cfg_load {	3845	trace "finished reloading resource files\n";
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3846	}
2353	or return;
2354		3847
2355	local $/;	3848	sub reload_config {
2356	*CFG = YAML::Syck::Load <$fh>;	3849	trace "reloading config file...\n";
2357		3850
		3851	my $config = load_file "$CONFDIR/config";
		3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
		3854
2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2359		3856
2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2362		3859
2363	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
2367	};	3864	};
2368	warn $@ if $@;	3865	warn $@ if $@;
2369	}	3866	}
2370	}	3867	}
2371		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
2372	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
2373	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3908	$Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3910	(async {
2377	Event::one_event;	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3912	EV::loop EV::LOOP_ONESHOT;
2378	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
2379	};	3914	};
2380		3915
2381	cfg_load;	3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
2382	db_init;	3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
		3930	reload_config;
		3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
2383	load_extensions;	3940	load_extensions;
2384		3941
2385	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
2386	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
2387	}	3959	}
2388		3960
2389	#############################################################################	3961	#############################################################################
2390	# initialisation and cleanup	3962	# initialisation and cleanup
2391		3963
2392	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
2393	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
2394	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
2395	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2396	reentrant => 0,
2397	data => WF_AUTOCANCEL,
2398	signal => $signal,
2399	prio => 0,
2400	cb => sub {
2401	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
2402	},
2403	);	3970	};
		3971	}
		3972	}
		3973
		3974	sub write_runtime_sync {
		3975	my $t0 = AE::time;
		3976
		3977	# first touch the runtime file to show we are still running:
		3978	# the fsync below can take a very very long time.
		3979
		3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3981
		3982	my $guard = cf::lock_acquire "write_runtime";
		3983
		3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3985	or return;
		3986
		3987	my $value = $cf::RUNTIME + 90 + 10;
		3988	# 10 is the runtime save interval, for a monotonic clock
		3989	# 60 allows for the watchdog to kill the server.
		3990
		3991	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3992	and return;
		3993
		3994	# always fsync - this file is important
		3995	aio_fsync $fh
		3996	and return;
		3997
		3998	# touch it again to show we are up-to-date
		3999	aio_utime $fh, undef, undef;
		4000
		4001	close $fh
		4002	or return;
		4003
		4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4005	and return;
		4006
		4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4008
2404	}	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
2405	}	4060	}
2406		4061
2407	sub emergency_save() {	4062	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
2409		4064
2410	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
2411		4071
2412	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
2413	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
2414	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
2415	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
2416	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
2417	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
2418	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
2419	$pl->valid or next;	4081	$pl->valid or next;
		4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420	$pl->save;	4083	$pl->save;
2421	}	4084	}
2422	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
2423		4086
2424	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
2425	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
2426	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
2427	$map->valid or next;	4092	$map->valid or next;
2428	$map->save;	4093	$map->save;
2429	}	4094	}
2430	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
2431		4096
2432	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
2433	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
2434	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
2435	};	4125	};
2436		4126
2437	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
2438	}	4128	}
2439		4129
2440	sub post_cleanup {	4130	sub post_cleanup {
2441	my ($make_core) = @_;	4131	my ($make_core) = @_;
2442		4132
		4133	IO::AIO::flush;
		4134
2443	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	4136	if $make_core;
2445	}
2446		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
		4165	}
		4166
2447	sub reload() {	4167	sub do_reload_perl() {
2448	# can/must only be called in main	4168	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
2450	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
2451	return;	4171	return;
2452	}	4172	}
2453		4173
2454	warn "reloading...";	4174	return if $RELOAD++;
2455		4175
2456	warn "entering sync_job";	4176	my $t1 = AE::time;
2457		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
2458	cf::sync_job {	4184	cf::sync_job {
2459	cf::write_runtime; # external watchdog should not bark
2460	cf::emergency_save;	4185	#cf::emergency_save;
2461	cf::write_runtime; # external watchdog should not bark
2462		4186
2463	warn "syncing database to disk";
2464	BDB::db_env_txn_checkpoint $DB_ENV;
2465
2466	# if anything goes wrong in here, we should simply crash as we already saved
2467
2468	warn "cancelling all WF_AUTOCANCEL watchers";
2469	for (Event::all_watchers) {
2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2471	}
2472
2473	warn "flushing outstanding aio requests";
2474	for (;;) {
2475	BDB::flush;
2476	IO::AIO::flush;
2477	Coro::cede;
2478	last unless IO::AIO::nreqs || BDB::nreqs;
2479	warn "iterate...";
2480	}
2481
2482	++$RELOAD;
2483
2484	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
2485	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
2486	%EXT_CORO = ();	4189	%EXT_CORO = ();
2487		4190
2488	warn "removing commands";	4191	trace "perl_reload: removing commands";
2489	%COMMAND = ();	4192	%COMMAND = ();
2490		4193
2491	warn "removing ext commands";	4194	trace "perl_reload: removing ext/exti commands";
2492	%EXTCMD = ();	4195	%EXTCMD = ();
		4196	%EXTICMD = ();
2493		4197
2494	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
2497		4201
2498	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
2499	eval {	4203	eval {
2500	$cb->($pkg);	4204	$cb->($pkg);
2501	1	4205	1
2502	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
2503	}	4211	}
2504		4212
2505	warn "... nuking $pkg";
2506	Symbol::delete_package $pkg;
2507	}
2508
2509	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2510	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2512		4216
2513	warn "... unloading $k";	4217	trace "... unloading $k";
2514	delete $INC{$k};	4218	delete $INC{$k};
2515		4219
2516	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
2517	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
2518		4222
2519	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
2520	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
2521	}	4228	}
2522		4229
2523	Symbol::delete_package $k;
2524	}
2525
2526	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
2527	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		4233
2530	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
		4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2532		4237
2533	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
2534	# and global variables created in xs	4239	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
2536		4241
2537	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
2538		4243
2539	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
2540	require cf;	4245	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
2542		4247
2543	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
2544	cf::cfg_load;	4249	cf::reload_config;
2545		4250
2546	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
2547	cf::load_extensions;	4252	cf::load_extensions;
2548		4253
		4254	if ($REATTACH_ON_RELOAD) {
2549	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
2550	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
2551	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
2552	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
2555		4262
2556	warn "loading reloadable resources";	4263	cf::_post_init 1;
2557	reload_resources;
2558		4264
2559	warn "leaving sync_job";	4265	trace "perl_reload: leaving sync_job";
2560		4266
2561	1	4267	1
2562	} or do {	4268	} or do {
2563	warn $@;	4269	error $@;
2564	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
2565	exit 1;	4271	};
		4272
		4273	--$RELOAD;
		4274	}
		4275
		4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
		4278	};
		4279
		4280	our $RELOAD_WATCHER; # used only during reload
		4281
		4282	sub reload_perl() {
		4283	# doing reload synchronously and two reloads happen back-to-back,
		4284	# coro crashes during coro_state_free->destroy here.
		4285
		4286	$RELOAD_WATCHER ||= cf::async {
		4287	Coro::AIO::aio_wait cache_extensions;
		4288
		4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4290	do_reload_perl;
		4291	undef $RELOAD_WATCHER;
		4292	};
2566	};	4293	};
2567		4294	}
2568	warn "reloaded";
2569	};
2570
2571	our $RELOAD_WATCHER; # used only during reload
2572		4295
2573	register_command "reload" => sub {	4296	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
2575		4298
2576	if ($who->flag (FLAG_WIZ)) {	4299	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	4300	$who->message ("reloading server.");
2578		4301	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	4302	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	4303	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	4304	};
2591	}	4305	}
2592	};	4306	};
2593		4307
2594	unshift @INC, $LIBDIR;	4308	#############################################################################
2595		4309
2596	my $bug_warning = 0;	4310	my $bug_warning = 0;
2597		4311
2598	$TICK_WATCHER = Event->timer (	4312	sub wait_for_tick() {
2599	reentrant => 0,	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2600	parked => 1,	4314
2601	prio => 0,	4315	$WAIT_FOR_TICK->wait;
2602	at => $NEXT_TICK || $TICK,	4316	}
2603	data => WF_AUTOCANCEL,	4317
2604	cb => sub {	4318	sub wait_for_tick_begin() {
		4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4320
		4321	my $signal = new Coro::Signal;
		4322	push @WAIT_FOR_TICK_BEGIN, $signal;
		4323	$signal->wait;
		4324	}
		4325
		4326	sub tick {
2605	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
2608	return;	4330	return;
2609	}	4331	}
2610		4332
2611	$NOW = Event::time;	4333	cf::one_tick; # one server iteration
2612		4334
2613	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2614	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;
2616		4336
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2619	Coro::async_pool {	4339	Coro::async_pool {
		4340	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	4341	write_runtime_sync
2621	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
2622	};
2623	}	4343	};
		4344	}
2624		4345
		4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4347	$sig->send;
		4348	}
2625	$WAIT_FOR_TICK->broadcast;	4349	$WAIT_FOR_TICK->broadcast;
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627		4350
2628	# my $AFTER = Event::time;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
2629	# warn $AFTER - $NOW;#d#	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2630		4353
2631	# if we are delayed by four ticks or more, skip them all	4354	if (0) {
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4355	if ($NEXT_TICK) {
2633		4356	my $jitter = $TICK_START - $NEXT_TICK;
2634	$TICK_WATCHER->at ($NEXT_TICK);	4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2635	$TICK_WATCHER->start;	4358	debug "jitter $JITTER\n";#d#
		4359	}
2636	},	4360	}
2637	);	4361	}
2638		4362
2639	{	4363	{
2640	BDB::max_poll_time $TICK * 0.1;	4364	# configure BDB
2641	$BDB_POLL_WATCHER = Event->io (	4365	info "initialising database";
2642	reentrant => 0,	4366
2643	fd => BDB::poll_fileno,
2644	poll => 'r',
2645	prio => 0,
2646	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,
2648	);
2649	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
2650		4368	BDB::max_poll_reqs $TICK * 0.1;
2651	BDB::set_sync_prepare {	4369	#$AnyEvent::BDB::WATCHER->priority (1);
2652	my $status;
2653	my $current = $Coro::current;
2654	(
2655	sub {
2656	$status = $!;
2657	$current->ready; undef $current;
2658	},
2659	sub {
2660	Coro::schedule while defined $current;
2661	$! = $status;
2662	},
2663	)
2664	};
2665		4370
2666	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
		4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		4378
2669	cf::sync_job {	4379	cf::sync_job {
2670	eval {	4380	eval {
2671	BDB::db_env_open	4381	BDB::db_env_open
2672	$DB_ENV,	4382	$DB_ENV,
2673	$BDB_ENV_DIR,	4383	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4384	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4385	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	4386	0666;
2677		4387
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4388	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	4389	};
2683		4390
2684	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	4392	};
2686	}	4393	}
		4394
		4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4397	};
		4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4400	};
		4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4403	};
		4404
		4405	info "database initialised";
2687	}	4406	}
2688		4407
2689	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
2690	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
2691
2692	undef $Coro::AIO::WATCHER;
2693	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
2694	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
2695	reentrant => 0,	4415	info "aio initialised";
2696	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,
2698	poll => 'r',
2699	prio => 6,
2700	cb => \&IO::AIO::poll_cb,
2701	);
2702	}	4416	}
		4417
		4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
		4420
		4421	sub _log_backtrace {
		4422	my ($msg, @addr) = @_;
		4423
		4424	$msg =~ s/\n$//;
		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4429	# limit the # of concurrent backtraces
		4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
		4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
		4434	async {
		4435	$Coro::current->{desc} = "abt $msg";
		4436
		4437	my @bt = fork_call {
		4438	@addr = map { sprintf "%x", $_ } @addr;
		4439	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4440	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4441	or die "addr2line: $!";
		4442
		4443	my @funcs;
		4444	my @res = <$fh>;
		4445	chomp for @res;
		4446	while (@res) {
		4447	my ($func, $line) = splice @res, 0, 2, ();
		4448	push @funcs, "[$func] $line";
		4449	}
		4450
		4451	@funcs
		4452	};
		4453
		4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4456	LOG llevInfo, "[ABT] $_\n" for @bt;
		4457	--$_log_backtrace;
		4458	};
		4459	} else {
		4460	LOG llevInfo, "[ABT] $msg\n";
		4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4462	}
		4463	}
		4464
		4465	# load additional modules
		4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
2703		4468
2704	END { cf::emergency_save }	4469	END { cf::emergency_save }
2705		4470
2706	1	4471	1
2707		4472

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