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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.609 by root, Tue Nov 20 14:30:22 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
270	};	623	}
271	$TICK_WATCHER->stop;	624	};
272	$guard	625
		626	sub get_slot($;$$) {
		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	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2989	$self->enter_link;
1978		2990
1979	(async {	2991	(async {
1980	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1981	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
1982	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1983		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
1984	1;	3030	1
1985	}) {	3031	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "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. "
1988	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1990		3036
1991	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1992	$self->leave_link;	3038	$self->leave_link;
1993	}	3039	}
1994	})->prio (1);	3040	})->prio (1);
1995	}	3041	}
1996		3042
1997	=head3 cf::client	3043	=head3 cf::client
1998		3044
1999	=over 4	3045	=over 4
2000		3046
2001	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2002		3048
2003	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2004	should not be used under normal circumstances.	3050	them as required.
2005		3051
2006	=cut	3052	=cut
2007		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
2008	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2009	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2010		3203
2011	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2013	}
2014		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
2015	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2016		3241
2017	Sends an exti event to the client.	3242	Sends an ext event to the client.
2018		3243
2019	=cut	3244	=cut
2020		3245
2021	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2023		3248
2024	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2025	$self->send_packet ("ext " . cf::to_json \%msg);
2026	}	3250	}
2027		3251
2028	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2029		3253
2030	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2031	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>,
2032	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>.
2033		3257
2034	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
2035	reliable at some point in the future.	3259	become reliable at some point in the future.
2036		3260
2037	=cut	3261	=cut
2038		3262
2039	sub cf::client::query {	3263	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	3272	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		3274
2051	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2052	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_FACES; # [normal commands, emotes, dm commands]
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = (
		3291	$COMMAND_FACES[0],
		3292	$COMMAND_FACES[1],
		3293	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACES[2] : ()
		3294	);
		3295
		3296	$self->send_face ($_)
		3297	for @faces;
		3298	$self->flush_fx;
		3299
		3300	$self->ext_msg (command_list => @faces);
		3301	}
		3302
		3303	=item cf::client::set_command_faces $normal_commands, $emotes, $dm_commands
		3304
		3305	=cut
		3306
		3307	sub cf::client::set_command_faces {
		3308	@COMMAND_FACES = @_;
2053	}	3309	}
2054		3310
2055	cf::client->attach (	3311	cf::client->attach (
		3312	on_connect => sub {
		3313	my ($ns) = @_;
		3314
		3315	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3316	},
2056	on_reply => sub {	3317	on_reply => sub {
2057	my ($ns, $msg) = @_;	3318	my ($ns, $msg) = @_;
2058		3319
2059	# this weird shuffling is so that direct followup queries	3320	# this weird shuffling is so that direct followup queries
2060	# get handled first	3321	# get handled first
…		…
2072	} else {	3333	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3334	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	3335	}
2075	}	3336	}
2076	},	3337	},
		3338	on_exticmd => sub {
		3339	my ($ns, $buf) = @_;
		3340
		3341	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3342
		3343	if (ref $msg) {
		3344	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3345
		3346	if (my $cb = $EXTIACMD{$type}) {
		3347	$cb->(
		3348	$ns,
		3349	sub {
		3350	$ns->ext_msg ("reply-$reply", @_)
		3351	if $reply;
		3352	},
		3353	@payload
		3354	);
		3355	} else {
		3356	my @reply;
		3357
		3358	if (my $cb = $EXTICMD{$type}) {
		3359	@reply = $cb->($ns, @payload);
		3360	}
		3361
		3362	$ns->ext_msg ("reply-$reply", @reply)
		3363	if $reply;
		3364	}
		3365	} else {
		3366	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3367	}
		3368
		3369	cf::override;
		3370	},
2077	);	3371	);
2078		3372
2079	=item $client->async (\&cb)	3373	=item $client->async (\&cb)
2080		3374
2081	Create a new coroutine, running the specified callback. The coroutine will	3375	Create a new coroutine, running the specified callback. The coroutine will
…		…
2097		3391
2098	$coro	3392	$coro
2099	}	3393	}
2100		3394
2101	cf::client->attach (	3395	cf::client->attach (
2102	on_destroy => sub {	3396	on_client_destroy => sub {
2103	my ($ns) = @_;	3397	my ($ns) = @_;
2104		3398
2105	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3399	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2106	},	3400	},
2107	);	3401	);
…		…
2122	our $safe = new Safe "safe";	3416	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3417	our $safe_hole = new Safe::Hole;
2124		3418
2125	$SIG{FPE} = 'IGNORE';	3419	$SIG{FPE} = 'IGNORE';
2126		3420
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3421	$safe->permit_only (Opcode::opset qw(
		3422	:base_core :base_mem :base_orig :base_math :base_loop
		3423	grepstart grepwhile mapstart mapwhile
		3424	sort time
		3425	));
2128		3426
2129	# here we export the classes and methods available to script code	3427	# here we export the classes and methods available to script code
2130		3428
2131	=pod	3429	=pod
2132		3430
2133	The following functions and methods are available within a safe environment:	3431	The following functions and methods are available within a safe environment:
2134		3432
2135	cf::object contr pay_amount pay_player map	3433	cf::object
		3434	contr pay_amount pay_player map x y force_find force_add destroy
		3435	insert remove name archname title slaying race decrease split
		3436	value
		3437
2136	cf::object::player player	3438	cf::object::player
2137	cf::player peaceful	3439	player
2138	cf::map trigger	3440
		3441	cf::player
		3442	peaceful
		3443
		3444	cf::map
		3445	trigger
2139		3446
2140	=cut	3447	=cut
2141		3448
2142	for (	3449	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3450	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3451	insert remove inv nrof name archname title slaying race
		3452	decrease split destroy change_exp value msg lore send_msg)],
2144	["cf::object::player" => qw(player)],	3453	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3454	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3455	["cf::map" => qw(trigger)],
2147	) {	3456	) {
2148	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3457	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3458	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2151	for @funs;	3459	for @funs;
2152	}	3460	}
2153		3461
…		…
2168		3476
2169	my $qcode = $code;	3477	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3478	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3479	$qcode =~ s/\n/\\n/g;
2172		3480
		3481	%vars = (_dummy => 0) unless %vars;
		3482
		3483	my @res;
2173	local $_;	3484	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;
2175		3485
2176	my $eval =	3486	my $eval =
2177	"do {\n"	3487	"do {\n"
2178	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3488	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2179	. "#line 0 \"{$qcode}\"\n"	3489	. "#line 0 \"{$qcode}\"\n"
2180	. $code	3490	. $code
2181	. "\n}"	3491	. "\n}"
2182	;	3492	;
2183		3493
		3494	if ($CFG{safe_eval}) {
2184	sub_generation_inc;	3495	sub_generation_inc;
		3496	local @safe::cf::_safe_eval_args = values %vars;
2185	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3497	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2186	sub_generation_inc;	3498	sub_generation_inc;
		3499	} else {
		3500	local @cf::_safe_eval_args = values %vars;
		3501	@res = wantarray ? eval eval : scalar eval $eval;
		3502	}
2187		3503
2188	if ($@) {	3504	if ($@) {
2189	warn "$@";	3505	warn "$@",
2190	warn "while executing safe code '$code'\n";	3506	"while executing safe code '$code'\n",
2191	warn "with arguments " . (join " ", %vars) . "\n";	3507	"with arguments " . (join " ", %vars) . "\n";
2192	}	3508	}
2193		3509
2194	wantarray ? @res : $res[0]	3510	wantarray ? @res : $res[0]
2195	}	3511	}
2196		3512
…		…
2210	=cut	3526	=cut
2211		3527
2212	sub register_script_function {	3528	sub register_script_function {
2213	my ($fun, $cb) = @_;	3529	my ($fun, $cb) = @_;
2214		3530
2215	no strict 'refs';	3531	$fun = "safe::$fun" if $CFG{safe_eval};
2216	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3532	*$fun = $safe_hole->wrap ($cb);
2217	}	3533	}
2218		3534
2219	=back	3535	=back
2220		3536
2221	=cut	3537	=cut
2222
2223	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294		3538
2295	#############################################################################	3539	#############################################################################
2296	# the server's init and main functions	3540	# the server's init and main functions
2297		3541
		3542	{
		3543	package cf::face;
		3544
		3545	our %HASH; # hash => idx
		3546	our @DATA; # dynamically-created facedata, only faceste 0 used
		3547	our @FOFS; # file offset, if > 0
		3548	our @SIZE; # size of face, in octets
		3549	our @META; # meta hash of face, if any
		3550	our $DATAFH; # facedata filehandle
		3551
		3552	# internal api, not finalised
		3553	sub set {
		3554	my ($name, $type, $data) = @_;
		3555
		3556	my $idx = cf::face::find $name;
		3557
		3558	if ($idx) {
		3559	delete $HASH{cf::face::get_csum $idx};
		3560	} else {
		3561	$idx = cf::face::alloc $name;
		3562	}
		3563
		3564	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3565
		3566	cf::face::set_type $idx, $type;
		3567	cf::face::set_csum $idx, 0, $hash;
		3568
		3569	# we need to destroy the SV itself, not just modify it, as a running ix
		3570	# might hold a reference to it: "delete" achieves that.
		3571	delete $FOFS[0][$idx];
		3572	delete $DATA[0][$idx];
		3573	$DATA[0][$idx] = $data;
		3574	$SIZE[0][$idx] = length $data;
		3575	delete $META[$idx];
		3576	$HASH{$hash} = $idx;#d#
		3577
		3578	$idx
		3579	}
		3580
		3581	sub _get_data($$$) {
		3582	my ($idx, $set, $cb) = @_;
		3583
		3584	if (defined $DATA[$set][$idx]) {
		3585	$cb->($DATA[$set][$idx]);
		3586	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3587	my $size = $SIZE[$set][$idx];
		3588	my $buf;
		3589	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3590	if ($_[0] == $size) {
		3591	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3592	$cb->($buf);
		3593	} else {
		3594	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3595	}
		3596	};
		3597	} else {
		3598	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3599	}
		3600	}
		3601
		3602	# rather ineffient
		3603	sub cf::face::get_data($;$) {
		3604	my ($idx, $set) = @_;
		3605
		3606	_get_data $idx, $set, Coro::rouse_cb;
		3607	Coro::rouse_wait
		3608	}
		3609
		3610	sub cf::face::ix {
		3611	my ($ns, $set, $idx, $pri) = @_;
		3612
		3613	_get_data $idx, $set, sub {
		3614	$ns->ix_send ($idx, $pri, $_[0]);
		3615	};
		3616	}
		3617	}
		3618
2298	sub load_facedata {	3619	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3620	my ($path) = @_;
2300		3621
		3622	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3623
2301	warn "loading facedata from $path\n";	3624	trace "loading facedata from $path\n";
2302		3625
2303	my $faces;	3626	my $facedata = decode_storable load_file "$path/faceinfo";
2304	0 < aio_load $path, $faces
2305	or die "$path: $!";
2306		3627
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;
2309	Coro::cede;
2310
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3628	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3629	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2314		3630
2315	while (my ($face, $info) = each %$faces) {	3631	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3632	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3633
		3634	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3635
		3636	# BEGIN ATOMIC
		3637	# from here on, everything must be atomic - no thread switch allowed
		3638	my $t1 = EV::time;
		3639
		3640	{
		3641	my $faces = $facedata->{faceinfo};
		3642
		3643	for my $face (sort keys %$faces) {
		3644	my $info = $faces->{$face};
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3645	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2320	Coro::cede;
2321	}
2322		3646
		3647	cf::face::set_visibility $idx, $info->{visibility};
		3648	cf::face::set_magicmap $idx, $info->{magicmap};
		3649	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3650	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3651	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3652	$cf::face::HASH{$info->{hash64}} = $idx;
		3653	delete $cf::face::META[$idx];
		3654	}
		3655
2323	while (my ($face, $info) = each %$faces) {	3656	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3657	next unless $info->{smooth};
		3658
2325	my $idx = cf::face::find $face	3659	my $idx = cf::face::find $face
		3660	or next;
		3661
		3662	if (my $smooth = cf::face::find $info->{smooth}) {
		3663	cf::face::set_smooth $idx, $smooth;
		3664	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3665	} else {
		3666	error "smooth face '$info->{smooth}' not found for face '$face'";
		3667	}
		3668	}
		3669	}
		3670
		3671	{
		3672	my $anims = $facedata->{animinfo};
		3673
		3674	while (my ($anim, $info) = each %$anims) {
		3675	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3676	}
		3677
		3678	cf::anim::invalidate_all; # d'oh
		3679	}
		3680
		3681	{
		3682	my $res = $facedata->{resource};
		3683
		3684	while (my ($name, $info) = each %$res) {
		3685	if (defined (my $type = $info->{type})) {
		3686	# TODO: different hash - must free and use new index, or cache ixface data queue
		3687	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3688
		3689	cf::face::set_type $idx, $type;
		3690	cf::face::set_csum $idx, 0, $info->{hash};
		3691	$cf::face::SIZE[0][$idx] = $info->{size};
		3692	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3693	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3694	$cf::face::HASH{$info->{hash}} = $idx;
		3695	} else {
		3696	# $RESOURCE{$name} = $info; # unused
		3697	}
		3698	}
		3699	}
		3700
		3701	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3702
		3703	# HACK to clear player env face cache, we need some signal framework
		3704	# for this (global event?)
		3705	%ext::player_env::MUSIC_FACE_CACHE = ();
		3706
		3707	# END ATOMIC
		3708
		3709	cf::debug "facedata atomic update time ", EV::time - $t1;
		3710
		3711	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3712
		3713	aio_close $fh if $fh; # close old facedata
		3714
		3715	1
		3716	}
		3717
		3718	register_exticmd fx_want => sub {
		3719	my ($ns, $want) = @_;
		3720
		3721	while (my ($k, $v) = each %$want) {
		3722	$ns->fx_want ($k, $v);
		3723	}
		3724	};
		3725
		3726	sub load_resource_file($) {
		3727	my $guard = lock_acquire "load_resource_file";
		3728
		3729	my $status = load_resource_file_ $_[0];
		3730	get_slot 0.1, 100;
		3731	cf::arch::commit_load;
		3732
		3733	$status
		3734	}
		3735
		3736	sub reload_exp_table {
		3737	_reload_exp_table;
		3738
		3739	cf::face::set
		3740	"res/exp_table" => FT_RSRC,
		3741	JSON::XS->new->utf8->canonical->encode (
		3742	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3743	);
		3744	}
		3745
		3746	sub reload_materials {
		3747	_reload_materials;
		3748	}
		3749
		3750	sub reload_regions {
		3751	# HACK to clear player env face cache, we need some signal framework
		3752	# for this (global event?)
		3753	%ext::player_env::MUSIC_FACE_CACHE = ();
		3754
		3755	load_resource_file "$MAPDIR/regions"
		3756	or die "unable to load regions file\n";
		3757
		3758	for (cf::region::list) {
		3759	$_->{match} = qr/$_->{match}/
		3760	if exists $_->{match};
		3761	}
		3762	}
		3763
		3764	sub reload_facedata {
		3765	load_facedata $DATADIR
		3766	or die "unable to load facedata\n";
		3767	}
		3768
		3769	sub reload_archetypes {
		3770	load_resource_file "$DATADIR/archetypes"
		3771	or die "unable to load archetypes\n";
		3772
		3773	cf::face::set
		3774	"res/skill_info" => FT_RSRC,
		3775	JSON::XS->new->utf8->canonical->encode (
		3776	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3777	);
		3778
		3779	cf::face::set
		3780	"res/spell_paths" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3783	);
		3784	}
		3785
		3786	sub reload_treasures {
		3787	load_resource_file "$DATADIR/treasures"
		3788	or die "unable to load treasurelists\n";
		3789	}
		3790
		3791	sub reload_sound {
		3792	trace "loading sound config from $DATADIR/sound\n";
		3793
		3794	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3795
		3796	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3797	my $sound = $soundconf->{compat}[$_]
2326	or next;	3798	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;
2329	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}
2332	Coro::cede;
2333	}
2334		3799
		3800	my $face = cf::face::find "sound/$sound->[1]";
		3801	cf::sound::set $sound->[0] => $face;
		3802	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2335	1	3803	}
		3804
		3805	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3806	my $face = cf::face::find "sound/$v";
		3807	cf::sound::set $k => $face;
		3808	}
2336	}	3809	}
2337		3810
2338	sub reload_resources {	3811	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3812	trace "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3813
		3814	reload_materials;
2341	load_facedata	3815	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3816	reload_exp_table;
2343	}	3817	reload_sound;
2344		3818	reload_archetypes;
2345	sub init {
2346	reload_resources;	3819	reload_regions;
2347	}	3820	reload_treasures;
2348		3821
2349	sub cfg_load {	3822	trace "finished reloading resource files\n";
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3823	}
2351	or return;
2352		3824
2353	local $/;	3825	sub reload_config {
2354	*CFG = YAML::Syck::Load <$fh>;	3826	trace "reloading config file...\n";
2355		3827
		3828	my $config = load_file "$CONFDIR/config";
		3829	utf8::decode $config;
		3830	*CFG = decode_yaml $config;
		3831
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3832	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2357		3833
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3834	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3835	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2360		3836
2361	if (exists $CFG{mlockall}) {	3837	if (exists $CFG{mlockall}) {
…		…
2365	};	3841	};
2366	warn $@ if $@;	3842	warn $@ if $@;
2367	}	3843	}
2368	}	3844	}
2369		3845
		3846	sub pidfile() {
		3847	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3848	or die "$PIDFILE: $!";
		3849	flock $fh, &Fcntl::LOCK_EX
		3850	or die "$PIDFILE: flock: $!";
		3851	$fh
		3852	}
		3853
		3854	# make sure only one server instance is running at any one time
		3855	sub atomic {
		3856	my $fh = pidfile;
		3857
		3858	my $pid = <$fh>;
		3859	kill 9, $pid if $pid > 0;
		3860
		3861	seek $fh, 0, 0;
		3862	print $fh $$;
		3863	}
		3864
		3865	sub main_loop {
		3866	trace "EV::loop starting\n";
		3867	if (1) {
		3868	EV::loop;
		3869	}
		3870	trace "EV::loop returned\n";
		3871	goto &main_loop unless $REALLY_UNLOOP;
		3872	}
		3873
2370	sub main {	3874	sub main {
		3875	cf::init_globals; # initialise logging
		3876
		3877	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3878	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3879	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3880	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3881
		3882	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3883
2371	# we must not ever block the main coroutine	3884	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3885	$Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3886	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3887	(async {
2375	Event::one_event;	3888	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3889	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3890	})->prio (Coro::PRIO_MAX);
2377	};	3891	};
2378		3892
2379	cfg_load;	3893	evthread_start IO::AIO::poll_fileno;
		3894
		3895	cf::sync_job {
		3896	cf::incloader::init ();
		3897
2380	db_init;	3898	db_init;
		3899
		3900	cf::init_anim;
		3901	cf::init_attackmess;
		3902	cf::init_dynamic;
		3903
		3904	cf::load_settings;
		3905
		3906	reload_resources;
		3907	reload_config;
		3908
		3909	cf::init_uuid;
		3910	cf::init_signals;
		3911	cf::init_skills;
		3912
		3913	cf::init_beforeplay;
		3914
		3915	atomic;
		3916
2381	load_extensions;	3917	load_extensions;
2382		3918
2383	$TICK_WATCHER->start;	3919	utime time, time, $RUNTIMEFILE;
2384	Event::loop;	3920
		3921	# no (long-running) fork's whatsoever before this point(!)
		3922	use POSIX ();
		3923	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3924
		3925	cf::_post_init 0;
		3926	};
		3927
		3928	cf::object::thawer::errors_are_fatal 0;
		3929	info "parse errors in files are no longer fatal from this point on.\n";
		3930
		3931	AE::postpone {
		3932	undef &main; # free gobs of memory :)
		3933	};
		3934
		3935	goto &main_loop;
2385	}	3936	}
2386		3937
2387	#############################################################################	3938	#############################################################################
2388	# initialisation and cleanup	3939	# initialisation and cleanup
2389		3940
2390	# install some emergency cleanup handlers	3941	# install some emergency cleanup handlers
2391	BEGIN {	3942	BEGIN {
		3943	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3944	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3945	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3946	cf::cleanup "SIG$signal";
2400	},
2401	);	3947	};
		3948	}
		3949	}
		3950
		3951	sub write_runtime_sync {
		3952	my $t0 = AE::time;
		3953
		3954	# first touch the runtime file to show we are still running:
		3955	# the fsync below can take a very very long time.
		3956
		3957	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3958
		3959	my $guard = cf::lock_acquire "write_runtime";
		3960
		3961	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3962	or return;
		3963
		3964	my $value = $cf::RUNTIME + 90 + 10;
		3965	# 10 is the runtime save interval, for a monotonic clock
		3966	# 60 allows for the watchdog to kill the server.
		3967
		3968	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3969	and return;
		3970
		3971	# always fsync - this file is important
		3972	aio_fsync $fh
		3973	and return;
		3974
		3975	# touch it again to show we are up-to-date
		3976	aio_utime $fh, undef, undef;
		3977
		3978	close $fh
		3979	or return;
		3980
		3981	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3982	and return;
		3983
		3984	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3985
2402	}	3986	1
		3987	}
		3988
		3989	our $uuid_lock;
		3990	our $uuid_skip;
		3991
		3992	sub write_uuid_sync($) {
		3993	$uuid_skip ||= $_[0];
		3994
		3995	return if $uuid_lock;
		3996	local $uuid_lock = 1;
		3997
		3998	my $uuid = "$LOCALDIR/uuid";
		3999
		4000	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4001	or return;
		4002
		4003	my $value = uuid_seq uuid_cur;
		4004
		4005	unless ($value) {
		4006	info "cowardly refusing to write zero uuid value!\n";
		4007	return;
		4008	}
		4009
		4010	my $value = uuid_str $value + $uuid_skip;
		4011	$uuid_skip = 0;
		4012
		4013	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4014	and return;
		4015
		4016	# always fsync - this file is important
		4017	aio_fsync $fh
		4018	and return;
		4019
		4020	close $fh
		4021	or return;
		4022
		4023	aio_rename "$uuid~", $uuid
		4024	and return;
		4025
		4026	trace "uuid file written ($value).\n";
		4027
		4028	1
		4029
		4030	}
		4031
		4032	sub write_uuid($$) {
		4033	my ($skip, $sync) = @_;
		4034
		4035	$sync ? write_uuid_sync $skip
		4036	: async { write_uuid_sync $skip };
2403	}	4037	}
2404		4038
2405	sub emergency_save() {	4039	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	4040	my $freeze_guard = cf::freeze_mainloop;
2407		4041
2408	warn "enter emergency perl save\n";	4042	info "emergency_perl_save: enter\n";
		4043
		4044	# this is a trade-off: we want to be very quick here, so
		4045	# save all maps without fsync, and later call a global sync
		4046	# (which in turn might be very very slow)
		4047	local $USE_FSYNC = 0;
2409		4048
2410	cf::sync_job {	4049	cf::sync_job {
		4050	cf::write_runtime_sync; # external watchdog should not bark
		4051
2411	# use a peculiar iteration method to avoid tripping on perl	4052	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	4053	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	4054	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	4055	info "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	4056	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	4057	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	4058	$pl->valid or next;
		4059	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	4060	$pl->save;
2419	}	4061	}
2420	warn "end emergency player save\n";	4062	info "emergency_perl_save: end player save\n";
2421		4063
2422	warn "begin emergency map save\n";	4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	info "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	4067	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	4068	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	4069	$map->valid or next;
2426	$map->save;	4070	$map->save;
2427	}	4071	}
2428	warn "end emergency map save\n";	4072	info "emergency_perl_save: end map save\n";
2429		4073
2430	warn "begin emergency database checkpoint\n";	4074	cf::write_runtime_sync; # external watchdog should not bark
		4075
		4076	info "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	4077	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	4078	info "emergency_perl_save: end database checkpoint\n";
		4079
		4080	info "emergency_perl_save: begin write uuid\n";
		4081	write_uuid_sync 1;
		4082	info "emergency_perl_save: end write uuid\n";
		4083
		4084	cf::write_runtime_sync; # external watchdog should not bark
		4085
		4086	trace "emergency_perl_save: syncing database to disk";
		4087	BDB::db_env_txn_checkpoint $DB_ENV;
		4088
		4089	info "emergency_perl_save: starting sync\n";
		4090	IO::AIO::aio_sync sub {
		4091	info "emergency_perl_save: finished sync\n";
		4092	};
		4093
		4094	cf::write_runtime_sync; # external watchdog should not bark
		4095
		4096	trace "emergency_perl_save: flushing outstanding aio requests";
		4097	while (IO::AIO::nreqs || BDB::nreqs) {
		4098	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4099	}
		4100
		4101	cf::write_runtime_sync; # external watchdog should not bark
2433	};	4102	};
2434		4103
2435	warn "leave emergency perl save\n";	4104	info "emergency_perl_save: leave\n";
2436	}	4105	}
2437		4106
2438	sub post_cleanup {	4107	sub post_cleanup {
2439	my ($make_core) = @_;	4108	my ($make_core) = @_;
2440		4109
		4110	IO::AIO::flush;
		4111
2441	warn Carp::longmess "post_cleanup backtrace"	4112	error Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	4113	if $make_core;
2443	}
2444		4114
		4115	my $fh = pidfile;
		4116	unlink $PIDFILE if <$fh> == $$;
		4117	}
		4118
		4119	# a safer delete_package, copied from Symbol
		4120	sub clear_package($) {
		4121	my $pkg = shift;
		4122
		4123	# expand to full symbol table name if needed
		4124	unless ($pkg =~ /^main::.*::$/) {
		4125	$pkg = "main$pkg" if $pkg =~ /^::/;
		4126	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4127	$pkg .= '::' unless $pkg =~ /::$/;
		4128	}
		4129
		4130	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4131	my $stem_symtab = *{$stem}{HASH};
		4132
		4133	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4134	or return;
		4135
		4136	# clear all symbols
		4137	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4138	for my $name (keys %$leaf_symtab) {
		4139	_gv_clear *{"$pkg$name"};
		4140	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4141	}
		4142	}
		4143
2445	sub reload() {	4144	sub do_reload_perl() {
2446	# can/must only be called in main	4145	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	4146	unless (in_main) {
2448	warn "can only reload from main coroutine";	4147	error "can only reload from main coroutine";
2449	return;	4148	return;
2450	}	4149	}
2451		4150
2452	warn "reloading...";	4151	return if $RELOAD++;
2453		4152
2454	warn "entering sync_job";	4153	my $t1 = AE::time;
2455		4154
		4155	while ($RELOAD) {
		4156	cf::get_slot 0.1, -1, "reload_perl";
		4157	info "perl_reload: reloading...";
		4158
		4159	trace "perl_reload: entering sync_job";
		4160
2456	cf::sync_job {	4161	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark
2458	cf::emergency_save;	4162	#cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark
2460		4163
2461	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;
2463
2464	# if anything goes wrong in here, we should simply crash as we already saved
2465
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";	4164	trace "perl_reload: cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;	4165	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();	4166	%EXT_CORO = ();
2485		4167
2486	warn "removing commands";	4168	trace "perl_reload: removing commands";
2487	%COMMAND = ();	4169	%COMMAND = ();
2488		4170
2489	warn "removing ext commands";	4171	trace "perl_reload: removing ext/exti commands";
2490	%EXTCMD = ();	4172	%EXTCMD = ();
		4173	%EXTICMD = ();
2491		4174
2492	warn "unloading/nuking all extensions";	4175	trace "perl_reload: unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	4176	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	4177	trace "... unloading $pkg";
2495		4178
2496	if (my $cb = $pkg->can ("unload")) {	4179	if (my $cb = $pkg->can ("unload")) {
2497	eval {	4180	eval {
2498	$cb->($pkg);	4181	$cb->($pkg);
2499	1	4182	1
2500	} or warn "$pkg unloaded, but with errors: $@";	4183	} or error "$pkg unloaded, but with errors: $@";
		4184	}
		4185
		4186	trace "... clearing $pkg";
		4187	clear_package $pkg;
2501	}	4188	}
2502		4189
2503	warn "... nuking $pkg";
2504	Symbol::delete_package $pkg;
2505	}
2506
2507	warn "unloading all perl modules loaded from $LIBDIR";	4190	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2508	while (my ($k, $v) = each %INC) {	4191	while (my ($k, $v) = each %INC) {
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		4193
2511	warn "... unloading $k";	4194	trace "... unloading $k";
2512	delete $INC{$k};	4195	delete $INC{$k};
2513		4196
2514	$k =~ s/\.pm$//;	4197	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;	4198	$k =~ s/\//::/g;
2516		4199
2517	if (my $cb = $k->can ("unload_module")) {	4200	if (my $cb = $k->can ("unload_module")) {
2518	$cb->();	4201	$cb->();
		4202	}
		4203
		4204	clear_package $k;
2519	}	4205	}
2520		4206
2521	Symbol::delete_package $k;
2522	}
2523
2524	warn "getting rid of safe::, as good as possible";	4207	trace "perl_reload: getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	4208	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		4210
2528	warn "unloading cf.pm \"a bit\"";	4211	trace "perl_reload: unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	4212	delete $INC{"cf.pm"};
		4213	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		4214
2531	# don't, removes xs symbols, too,	4215	# don't, removes xs symbols, too,
2532	# and global variables created in xs	4216	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	4217	#clear_package __PACKAGE__;
2534		4218
2535	warn "unload completed, starting to reload now";	4219	info "perl_reload: unload completed, starting to reload now";
2536		4220
2537	warn "reloading cf.pm";	4221	trace "perl_reload: reloading cf.pm";
2538	require cf;	4222	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4223	cf::_connect_to_perl_1;
2540		4224
2541	warn "loading config and database again";	4225	trace "perl_reload: loading config and database again";
2542	cf::cfg_load;	4226	cf::reload_config;
2543		4227
2544	warn "loading extensions";	4228	trace "perl_reload: loading extensions";
2545	cf::load_extensions;	4229	cf::load_extensions;
2546		4230
		4231	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	4232	trace "perl_reload: reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	4233	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	4234	trace "perl_reload: reattaching attachments to maps";
2550	reattach $_ for values %MAP;	4235	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	4236	trace "perl_reload: reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	4237	reattach $_ for values %PLAYER;
		4238	}
2553		4239
2554	warn "loading reloadable resources";	4240	cf::_post_init 1;
2555	reload_resources;
2556		4241
2557	warn "leaving sync_job";	4242	trace "perl_reload: leaving sync_job";
2558		4243
2559	1	4244	1
2560	} or do {	4245	} or do {
2561	warn $@;	4246	error $@;
2562	warn "error while reloading, exiting.";	4247	cf::cleanup "perl_reload: error, exiting.";
2563	exit 1;	4248	};
		4249
		4250	--$RELOAD;
		4251	}
		4252
		4253	$t1 = AE::time - $t1;
		4254	info "perl_reload: completed in ${t1}s\n";
		4255	};
		4256
		4257	our $RELOAD_WATCHER; # used only during reload
		4258
		4259	sub reload_perl() {
		4260	# doing reload synchronously and two reloads happen back-to-back,
		4261	# coro crashes during coro_state_free->destroy here.
		4262
		4263	$RELOAD_WATCHER ||= cf::async {
		4264	Coro::AIO::aio_wait cache_extensions;
		4265
		4266	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4267	do_reload_perl;
		4268	undef $RELOAD_WATCHER;
		4269	};
2564	};	4270	};
2565		4271	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		4272
2571	register_command "reload" => sub {	4273	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	4274	my ($who, $arg) = @_;
2573		4275
2574	if ($who->flag (FLAG_WIZ)) {	4276	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	4277	$who->message ("reloading server.");
2576		4278	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	4279	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	4280	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	4281	};
2589	}	4282	}
2590	};	4283	};
2591		4284
2592	unshift @INC, $LIBDIR;	4285	#############################################################################
2593		4286
2594	my $bug_warning = 0;	4287	my $bug_warning = 0;
2595		4288
2596	$TICK_WATCHER = Event->timer (	4289	sub wait_for_tick() {
2597	reentrant => 0,	4290	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2598	parked => 1,	4291
2599	prio => 0,	4292	$WAIT_FOR_TICK->wait;
2600	at => $NEXT_TICK || $TICK,	4293	}
2601	data => WF_AUTOCANCEL,	4294
2602	cb => sub {	4295	sub wait_for_tick_begin() {
		4296	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4297
		4298	my $signal = new Coro::Signal;
		4299	push @WAIT_FOR_TICK_BEGIN, $signal;
		4300	$signal->wait;
		4301	}
		4302
		4303	sub tick {
2603	if ($Coro::current != $Coro::main) {	4304	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4305	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	4306	unless ++$bug_warning > 10;
2606	return;	4307	return;
2607	}	4308	}
2608		4309
2609	$NOW = Event::time;	4310	cf::one_tick; # one server iteration
2610		4311
2611	cf::server_tick; # one server iteration	4312	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		4313
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4314	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	4315	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	4316	Coro::async_pool {
		4317	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	4318	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	4319	or error "ERROR: unable to write runtime file: $!";
2620	};
2621	}	4320	};
		4321	}
2622		4322
		4323	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4324	$sig->send;
		4325	}
2623	$WAIT_FOR_TICK->broadcast;	4326	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625		4327
2626	# my $AFTER = Event::time;	4328	$LOAD = ($NOW - $TICK_START) / $TICK;
2627	# warn $AFTER - $NOW;#d#	4329	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2628		4330
2629	# if we are delayed by four ticks or more, skip them all	4331	if (0) {
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4332	if ($NEXT_TICK) {
2631		4333	my $jitter = $TICK_START - $NEXT_TICK;
2632	$TICK_WATCHER->at ($NEXT_TICK);	4334	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2633	$TICK_WATCHER->start;	4335	debug "jitter $JITTER\n";#d#
		4336	}
2634	},	4337	}
2635	);	4338	}
2636		4339
2637	{	4340	{
2638	BDB::max_poll_time $TICK * 0.1;	4341	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	4342	info "initialising database";
2640	reentrant => 0,	4343
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	4344	BDB::min_parallel 16;
2648		4345	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	4346	#$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		4347
2664	unless ($DB_ENV) {	4348	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	4349	$DB_ENV = BDB::db_env_create;
		4350	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4351	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4352	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4353	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4354	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		4355
2667	cf::sync_job {	4356	cf::sync_job {
2668	eval {	4357	eval {
2669	BDB::db_env_open	4358	BDB::db_env_open
2670	$DB_ENV,	4359	$DB_ENV,
2671	$BDB_ENV_DIR,	4360	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4361	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4362	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	4363	0666;
2675		4364
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4365	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	4366	};
2681		4367
2682	cf::cleanup "db_env_open(db): $@" if $@;	4368	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	4369	};
2684	}	4370	}
		4371
		4372	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4373	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4374	};
		4375	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4376	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4377	};
		4378	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4379	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4380	};
		4381
		4382	info "database initialised";
2685	}	4383	}
2686		4384
2687	{	4385	{
		4386	# configure IO::AIO
		4387
		4388	info "initialising aio";
2688	IO::AIO::min_parallel 8;	4389	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	4390	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	4391	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,	4392	info "aio initialised";
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	4393	}
		4394
		4395	our $_log_backtrace;
		4396	our $_log_backtrace_last;
		4397
		4398	sub _log_backtrace {
		4399	my ($msg, @addr) = @_;
		4400
		4401	$msg =~ s/\n$//;
		4402
		4403	if ($_log_backtrace_last eq $msg) {
		4404	LOG llevInfo, "[ABT] $msg\n";
		4405	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4406	# limit the # of concurrent backtraces
		4407	} elsif ($_log_backtrace < 2) {
		4408	$_log_backtrace_last = $msg;
		4409	++$_log_backtrace;
		4410	my $perl_bt = Carp::longmess $msg;
		4411	async {
		4412	$Coro::current->{desc} = "abt $msg";
		4413
		4414	my @bt = fork_call {
		4415	@addr = map { sprintf "%x", $_ } @addr;
		4416	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4417	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4418	or die "addr2line: $!";
		4419
		4420	my @funcs;
		4421	my @res = <$fh>;
		4422	chomp for @res;
		4423	while (@res) {
		4424	my ($func, $line) = splice @res, 0, 2, ();
		4425	push @funcs, "[$func] $line";
		4426	}
		4427
		4428	@funcs
		4429	};
		4430
		4431	LOG llevInfo, "[ABT] $perl_bt\n";
		4432	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4433	LOG llevInfo, "[ABT] $_\n" for @bt;
		4434	--$_log_backtrace;
		4435	};
		4436	} else {
		4437	LOG llevInfo, "[ABT] $msg\n";
		4438	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4439	}
		4440	}
		4441
		4442	# load additional modules
		4443	require "cf/$_.pm" for @EXTRA_MODULES;
		4444	cf::_connect_to_perl_2;
2701		4445
2702	END { cf::emergency_save }	4446	END { cf::emergency_save }
2703		4447
2704	1	4448	1
2705		4449

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