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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 2007 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
		58	use BDB ();
20	use Data::Dumper;	59	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	60	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	61	use YAML::XS ();
25	use Time::HiRes;	62	use IO::AIO ();
		63	use Compress::LZF;
		64	use Digest::MD5 ();
26		65
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		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";
		77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		81
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		83
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		85
36	our %COMMAND = ();	86	our %COMMAND = ();
37	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
38		88
39	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
43		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	98	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
46		101
47	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	103
49	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	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;
52	our $NOW;	144	our $NOW;
53		145
54	our %CFG;	146	our (%PLAYER, %PLAYER_LOADING); # all users
55		147	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		149
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
70	binmode STDOUT;	166	binmode STDOUT;
71	binmode STDERR;	167	binmode STDERR;
72		168
73	# read virtual server time, if available	169	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
78	}	174	}
79		175
80	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	177
82	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		180
86	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
87		182
88	sub cf::map::normalise;	183	sub cf::map::normalise;
89		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
90	#############################################################################	189	#############################################################################
91		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
92	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
93		203
94	=over 4	204	=over 4
95		205
96	=item $cf::UPTIME	206	=item $cf::UPTIME
97		207
98	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.
99		224
100	=item $cf::RUNTIME	225	=item $cf::RUNTIME
101		226
102	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
103	every server tick.	228	every server tick.
104		229
105	=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
106		233
107	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		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
110	=item $cf::NOW	245	=item $cf::LOAD
111		246
112	The time of the last (current) server tick.	247	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		248
118	=item %cf::CFG	249	=item %cf::CFG
119		250
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	252	from wherever your confdir points to.
122		253
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		255
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
127	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
128	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
129		289
130	=back	290	=back
131		291
132	=cut	292	=cut
133		293
134	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	301	my $msg = join "", @_;
137	utf8::encode $msg;
138		302
139	$msg .= "\n"	303	$msg .= "\n"
140	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
141		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
142	LOG llevError, $msg;	308	LOG llevWarn, $msg;
143	};	309	};
144	}	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	};
145		324
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		332
153	# 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
154	# within the Safe compartment.	334	# within the Safe compartment.
155	for my $pkg (qw(	335	for my $pkg (qw(
156	cf::global cf::attachable	336	cf::global cf::attachable
157	cf::object cf::object::player	337	cf::object cf::object::player
158	cf::client cf::player	338	cf::client cf::player
159	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
160	cf::map cf::party cf::region	341	cf::party cf::region
161	)) {	342	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	344	}
165		345
166	$Event::DIED = sub {	346	$EV::DIED = sub {
167	warn "error in event callback: @_";	347	warn "error in event callback: $@";
168	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
169		356
170	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
171		358
172	=over 4	359	=over 4
173		360
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	380	$d
194	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
195	}	382	}
196		383
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
198		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
199	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
200		437
201	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
202		439
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
211		441
212	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
213		443
214	=cut	444	=cut
215		445
216	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
218	JSON::Syck::Dump $_[0]	448	sub encode_json($) { $json_coder->encode ($_[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	}
219	}	511	}
220		512
221	=item cf::lock_wait $string	513	=item cf::lock_wait $string
222		514
223	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
224		516
225	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
226		518
227	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
230	returned.	522	returned.
231		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
232	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
234		529
235	=cut	530	=item $locked = cf::lock_active $string
236		531
237	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
238		537
239	sub lock_wait($) {	538	sub lock_wait($) {
240	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	540	}
248		541
249	sub lock_acquire($) {	542	sub lock_acquire($) {
250	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
251		545
252	# wait, to be sure we are not locked	546	sub lock_active($) {
253	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	548	}
262		549
263	sub freeze_mainloop {	550	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
265		552
266	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	554	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
269	};	623	}
270	$WRITE_RUNTIME_WATCHER->stop;	624	};
271	$TICK_WATCHER->stop;	625
272	$guard	626	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
352		729
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	730	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		734
356	my $value = $cf::RUNTIME + 90 + 10;	735	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		736
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	737	sub post_fork {
361	and return;	738	reset_signals;
		739	}
362		740
363	aio_fsync $fh	741	sub fork_call(&@) {
364	and return;	742	my ($cb, @args) = @_;
365		743
366	close $fh	744	my @res = Coro::Util::fork_eval {
367	or return;	745	cf::post_fork;
		746	&$cb
		747	} @args;
368		748
369	aio_rename "$runtime~", $runtime	749	wantarray ? @res : $res[-1]
370	and return;	750	}
371		751
		752	sub objinfo {
372	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"
		916	}
		917
		918	=item cf::datalog type => key => value, ...
		919
		920	Log a datalog packet of the given type with the given key-value pairs.
		921
		922	=cut
		923
		924	sub datalog($@) {
		925	my ($type, %kv) = @_;
		926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	927	}
374		928
375	=back	929	=back
376		930
377	=cut	931	=cut
378		932
379	#############################################################################	933	#############################################################################
380		934
381	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
382		936
383	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
384	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")
385	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
386		940
387	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>
388	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
389	crossfire+).	943	Deliantra).
390		944
391	=over 4	945	=over 4
392		946
393	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
394		948
…		…
438	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
439		993
440	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
442		996
443	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		999
446	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
447		1001
448	=over 4	1002	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
558		1112
559	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1117
564	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
566		1120
567	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
572		1126
573	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1129
576	} elsif (ref $type) {	1130	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
578		1132
579	} else {	1133	} else {
580	shift @arg;	1134	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
582	}	1136	}
583	}	1137	}
584	}	1138	}
585		1139
586	sub _object_attach {	1140	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
597	}	1151	}
598		1152
599	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
600	} else {	1154	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1156	}
603		1157
604	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
605	}	1159	}
606		1160
…		…
608	if (ref $_[0]) {	1162	if (ref $_[0]) {
609	_object_attach @_;	1163	_object_attach @_;
610	} else {	1164	} else {
611	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
612	}	1166	}
		1167	_recalc_want;
613	};	1168	};
614		1169
615	# all those should be optimised	1170	# all those should be optimised
616	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1176	reattach ($obj);
622	} else {	1177	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
624	}	1179	}
		1180	_recalc_want;
625	};	1181	};
626		1182
627	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
629		1185
…		…
644	";	1200	";
645	die if $@;	1201	die if $@;
646	}	1202	}
647		1203
648	our $override;	1204	our $override;
649	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?
650		1206
651	sub override {	1207	sub override {
652	$override = 1;	1208	$override = 1;
653	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
654	}	1210	}
655		1211
656	sub do_invoke {	1212	sub do_invoke {
657	my $event = shift;	1213	my $event = shift;
658	my $callbacks = shift;	1214	my $callbacks = shift;
659		1215
660	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
661		1217
662	local $override;	1218	local $override;
663		1219
664	for (@$callbacks) {	1220	for (@$callbacks) {
665	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
666		1222
667	if ($@) {	1223	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1225	override;
671	}	1226	}
672		1227
673	return 1 if $override;	1228	return 1 if $override;
674	}	1229	}
675		1230
676	0	1231	0
677	}	1232	}
678		1233
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1235
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1237
683	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
684		1239
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1243
689	=back	1244	=back
690		1245
691	=cut	1246	=cut
692		1247
693	#############################################################################	1248	#############################################################################
694	# 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, $ob2
		1291	}
695		1292
696	sub reattach {	1293	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1295	my ($obj) = @_;
699		1296
		1297	# no longer needed after getting rid of delete_package?
700	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
701		1299
702	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
703		1301
704	@$registry = ();	1302	@$registry = ();
705		1303
…		…
710	for (@$attach) {	1308	for (@$attach) {
711	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
713	}	1311	}
714	} else {	1312	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1314	}
717	}	1315	}
718	}	1316	}
719		1317
720	cf::attachable->attach (	1318	cf::attachable->attach (
721	prio => -1000000,	1319	prio => -1000000,
722	on_instantiate => sub {	1320	on_instantiate => sub {
723	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
724		1322
725	$data = from_json $data;	1323	$data = decode_json $data;
726		1324
727	for (@$data) {	1325	for (@$data) {
728	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
729		1327
730	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1344	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
748		1346
749	sync_job {	1347	sync_job {
750	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
753		1353
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
757	aio_fsync $fh;	1359	aio_fsync $fh;
		1360	}
758	close $fh;	1361	aio_close $fh;
759		1362
760	if (@$objs) {	1363	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
		1368	if ($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;
765	aio_fsync $fh;	1370	aio_fsync $fh;
		1371	}
766	close $fh;	1372	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
768	}	1374	}
769	} else {	1375	} else {
770	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
771	}	1377	}
772		1378
773	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1383	} else {
775	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
776	}	1385	}
777	} else {	1386	} else {
778	aio_unlink $filename;	1387	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
780	}	1389	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1390	};
788	}	1391	}
789		1392
790	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
792		1395
…		…
797		1400
798	sub object_thawer_load {	1401	sub object_thawer_load {
799	my ($filename) = @_;	1402	my ($filename) = @_;
800		1403
801	my ($data, $av);	1404	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1405
806	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
807	or return;	1407	or return;
808		1408
809	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
811	or return;	1411	or return;
		1412
812	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
813	}	1415	}
814		1416
		1417	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
817	return ($data, $av);	1422	($data, $av)
818	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
819		1430
820	#############################################################################	1431	#############################################################################
821	# command handling &c	1432	# command handling &c
822		1433
823	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
824		1435
825	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
826	$name.	1437	$name.
827		1438
828	=cut	1439	=cut
…		…
834	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
835		1446
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1448	}
838		1449
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
840		1451
841	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.
842		1457
843	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
844	called.
845		1459
846	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
847		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$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
848	sub register_extcmd {	1482	sub register_extcmd($$) {
849	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
850		1484
851	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
852	}	1486	}
853		1487
		1488	sub register_async_extcmd($$) {
		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} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
854	cf::player->attach (	1508	cf::player->attach (
855	on_command => sub {	1509	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
857		1511
858	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
859	or return;	1513	or return;
860		1514
…		…
865	cf::override;	1519	cf::override;
866	},	1520	},
867	on_extcmd => sub {	1521	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
869		1523
870	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1525
872	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
875	$pl->ext_reply ($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);
876	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
877	}	1547	}
		1548
878	} else {	1549	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1551	}
881		1552
882	cf::override;	1553	cf::override;
883	},	1554	},
884	);	1555	);
885		1556
		1557	# "readahead" all extensions
886	sub load_extension {	1558	sub cache_extensions {
887	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
888		1560
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1564	}
914	die $@;
915	}	1565	};
916		1566
917	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;
918	}	1579	}
919		1580
920	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
921	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1590	next unless -r $path;
923	eval {	1591
924	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 $active;
		1663	}
925	1	1664	}
926	} or warn "$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	}
927	}	1677	};
928	}	1678	}
929		1679
930	#############################################################################	1680	#############################################################################
931		1681
		1682	=back
		1683
932	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
933		1685
934	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
935		1687
936	=cut	1688	=cut
937		1689
938	package cf::player;	1690	package cf::player;
939		1691
…		…
941		1693
942	=head3 cf::player	1694	=head3 cf::player
943		1695
944	=over 4	1696	=over 4
945		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
946	=item cf::player::find $login	1712	=item cf::player::find $login
947		1713
948	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
949		1715
950	=cut	1716	=cut
951		1717
952	sub playerdir($) {	1718	sub playerdir($) {
953	cf::localdir	1719	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1721	}
959		1722
960	sub path($) {	1723	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1725
963	(playerdir $login) . "/$login.pl"	1726	(playerdir $login) . "/playerdata"
964	}	1727	}
965		1728
966	sub find_active($) {	1729	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1730	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1731	and $cf::PLAYER{$_[0]}->active
…		…
971		1734
972	sub exists($) {	1735	sub exists($) {
973	my ($login) = @_;	1736	my ($login) = @_;
974		1737
975	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
977	}	1740	}
978		1741
979	sub find($) {	1742	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1744	my $login = $_[0];
982		1745
983	my $guard = cf::lock_acquire "user_find:$login";	1746	my $guard = cf::lock_acquire "user_find:$login";
984		1747
985	$cf::PLAYER{$_[0]} || do {	1748	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
989	}	1765	}
990	}	1766	}
991	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
992		1781
993	sub save($) {	1782	sub save($) {
994	my ($pl) = @_;	1783	my ($pl) = @_;
995		1784
996	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1002		1791
1003	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1007	Coro::cede;	1801	cf::cede_to_tick;
1008	}	1802	}
1009		1803
1010	sub new($) {	1804	sub new($) {
1011	my ($login) = @_;	1805	my ($login) = @_;
1012		1806
…		…
1018	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1019		1813
1020	$self	1814	$self
1021	}	1815	}
1022		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
1023	=item $pl->quit_character	1827	=item $pl->quit_character
1024		1828
1025	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1027		1831
1028	=cut	1832	=cut
1029		1833
1030	sub quit_character {	1834	sub quit_character {
1031	my ($pl) = @_;	1835	my ($pl) = @_;
1032		1836
		1837	my $name = $pl->ob->name;
		1838
1033	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1034	$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
1035		1841
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1039	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1040		1850
1041	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1854	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1855	$pl->destroy;
		1856
		1857	my $prefix = qr<^~\Q$name\E/>;
		1858
		1859	# nuke player maps
		1860	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1861
1046	IO::AIO::aio_rmtree $temp;	1862	IO::AIO::aio_rmtree $temp;
		1863	}
		1864
		1865	=item $pl->kick
		1866
		1867	Kicks a player out of the game. This destroys the connection.
		1868
		1869	=cut
		1870
		1871	sub kick {
		1872	my ($pl, $kicker) = @_;
		1873
		1874	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1875	$pl->killer ("kicked");
		1876	$pl->ns->destroy;
1047	}	1877	}
1048		1878
1049	=item cf::player::list_logins	1879	=item cf::player::list_logins
1050		1880
1051	Returns am arrayref of all valid playernames in the system, can take a	1881	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1053		1883
1054	=cut	1884	=cut
1055		1885
1056	sub list_logins {	1886	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1888	or return [];
1059		1889
1060	my @logins;	1890	my @logins;
1061		1891
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1066		1902
1067	utf8::decode $login;	1903	utf8::decode $login;
1068	push @logins, $login;	1904	push @logins, $login;
1069	}	1905	}
1070		1906
1071	\@logins	1907	\@logins
1072	}	1908	}
1073		1909
1074	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1075		1913
1076	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1077	player. May block.	1915	player. May block.
1078		1916
1079	=cut	1917	=cut
…		…
1097	}	1935	}
1098		1936
1099	\@paths	1937	\@paths
1100	}	1938	}
1101		1939
		1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1941
		1942	Expand deliantra pod fragments into protocol xml.
		1943
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1944	=item $player->ext_msg ($type, @msg)
1103		1945
1104	Sends an ext reply to the player.	1946	Sends an ext event to the client.
1105		1947
1106	=cut	1948	=cut
1107		1949
1108	sub ext_reply($$$%) {	1950	sub ext_msg($$@) {
1109	my ($self, $id, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1110		1952
1111	$msg{msgid} = $id;	1953	$self->ns->ext_msg ($type, @msg);
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1954	}
1115		1955
1116	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	}
1117		1986
1118	=back	1987	=back
1119
1120		1988
1121	=head3 cf::map	1989	=head3 cf::map
1122		1990
1123	=over 4	1991	=over 4
1124		1992
…		…
1136	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1138		2006
1139	sub generate_random_map {	2007	sub generate_random_map {
1140	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1142	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	2013	}
1156		2014
1157	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1158		2016
1159	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
…		…
1164		2022
1165	sub register {	2023	sub register {
1166	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	2025	my $pkg = caller;
1168		2026
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		2028
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	2030	}
1174		2031
1175	# also paths starting with '/'	2032	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		2034
1178	sub thawer_merge {	2035	sub thawer_merge {
1179	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1180		2037
1181	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1182	local $self->{path};	2039	local $self->{path};
1183	local $self->{load_path};	2040	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		2041
1187	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1188	}	2043	}
1189		2044
1190	sub normalise {	2045	sub normalise {
1191	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1192		2047
1193	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1194		2049
1195	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1196		2051
1197	# map plan:	2052	# map plan:
1198	#	2053	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2069	$path = "$base/$path";
1215	}	2070	}
1216		2071
1217	for ($path) {	2072	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1221	}	2075	}
1222		2076
1223	$path	2077	$path
…		…
1237	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1238	return $self;	2092	return $self;
1239	}	2093	}
1240	}	2094	}
1241		2095
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2097	()
1244	}	2098	}
1245		2099
		2100	# may re-bless or do other evil things
1246	sub init {	2101	sub init {
1247	my ($self) = @_;	2102	my ($self) = @_;
1248		2103
1249	$self	2104	$self
1250	}	2105	}
…		…
1262		2117
1263	# the original (read-only) location	2118	# the original (read-only) location
1264	sub load_path {	2119	sub load_path {
1265	my ($self) = @_;	2120	my ($self) = @_;
1266		2121
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1268	}	2123	}
1269		2124
1270	# the temporary/swap location	2125	# the temporary/swap location
1271	sub save_path {	2126	sub save_path {
1272	my ($self) = @_;	2127	my ($self) = @_;
1273		2128
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1276	}	2131	}
1277		2132
1278	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1279	sub uniq_path {	2134	sub uniq_path {
1280	my ($self) = @_;	2135	my ($self) = @_;
1281		2136
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1284	}	2139	}
1285		2140
1286	# and all this just because we cannot iterate over	2141	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2142	my ($self) = @_;
1290		2143
1291	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1293	}	2147	}
1294		2148
1295	sub unlink_save {	2149	sub unlink_save {
1296	my ($self) = @_;	2150	my ($self) = @_;
1297		2151
1298	utf8::encode (my $save = $self->save_path);	2152	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2153	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2154	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2155	}
1307		2156
1308	sub load_header_from($) {	2157	sub load_header_from($) {
1309	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1310		2159
1311	utf8::encode $path;	2160	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2162	or return;
1317		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1318	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1319		2171
1320	1	2172	1
1321	}	2173	}
1322		2174
		2175	# used to laod the header of an original map
1323	sub load_header_orig {	2176	sub load_header_orig {
1324	my ($self) = @_;	2177	my ($self) = @_;
1325		2178
1326	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1327	}	2180	}
1328		2181
		2182	# used to laod the header of an instantiated map
1329	sub load_header_temp {	2183	sub load_header_temp {
1330	my ($self) = @_;	2184	my ($self) = @_;
1331		2185
1332	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1333	}	2187	}
1334		2188
		2189	# called after loading the header from an instantiated map
1335	sub prepare_temp {	2190	sub prepare_temp {
1336	my ($self) = @_;	2191	my ($self) = @_;
1337		2192
1338	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1339	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1340	# safety	2195	# safety
1341	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1342	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1343	}	2198	}
1344		2199
		2200	# called after loading the header from an original map
1345	sub prepare_orig {	2201	sub prepare_orig {
1346	my ($self) = @_;	2202	my ($self) = @_;
1347		2203
1348	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1349	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1360	$self->load_header_orig	2216	$self->load_header_orig
1361	or return;	2217	or return;
1362	$self->prepare_orig;	2218	$self->prepare_orig;
1363	}	2219	}
1364		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 $self->default_region;
		2226
1365	1	2227	1
1366	}	2228	}
1367		2229
1368	sub find;	2230	sub find;
1369	sub find {	2231	sub find {
1370	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1371		2233
		2234	cf::cede_to_tick;
		2235
1372	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1373		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2240
1376	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1379	or return;	2243	or return;
1380		2244
1381	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1382		2246
1383	$map->load_header	2247	$map->load_header
1384	or return;	2248	or return;
1385		2249
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1389	$map->reset;	2255	$map->reset;
1390	undef $guard;
1391	return find $path;	2256	return find $path;
1392	}	2257	}
1393		2258
1394	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1395	}	2260	}
1396	}	2261	}
1397		2262
1398	sub pre_load { }	2263	sub pre_load { }
1399	sub post_load { }	2264	#sub post_load { } # XS
1400		2265
1401	sub load {	2266	sub load {
1402	my ($self) = @_;	2267	my ($self) = @_;
1403		2268
1404	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1405		2270
1406	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1408		2275
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1410		2278
1411	$self->in_memory (cf::MAP_LOADING);
1412
1413	$self->alloc;	2279	$self->alloc;
1414		2280
1415	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1416		2283
1417	$self->_load_objects ($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)
1418	or return;	2288	or return;
1419		2289
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1421	if delete $self->{load_original};	2291	if delete $self->{load_original};
1422		2292
1423	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2294	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2297	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1428	}	2302	}
1429	}
1430		2303
1431	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1432		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1433	# now do the right thing for maps	2313	# now do the right thing for maps
1434	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2316	unless $self->difficulty;
1444	Coro::cede;	2317	cf::cede_to_tick;
1445	$self->activate;	2318
		2319	unless ($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);
1446	}	2329	}
1447		2330
1448	$self->post_load;	2331	$self->post_load;
1449		2332
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1451	}	2334	}
1452		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2339	sub customise_for {
1454	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1455		2341
1456	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2343	if $self->per_player;
1458		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1459	$self	2348	$self
1460	}
1461
1462	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {
1464	my ($map) = @_;
1465
1466	my @diag; # diagonal neighbours
1467
1468	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)
1470	or next;
1471	$neigh = find $neigh, $map
1472	or next;
1473	$neigh->load;
1474
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}
1478
1479	for (@diag) {
1480	my $neigh = find @$_
1481	or next;
1482	$neigh->load;
1483	}
1484	}	2349	}
1485		2350
1486	sub find_sync {	2351	sub find_sync {
1487	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1488		2353
1489	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, $origin
1490	}	2359	}
1491		2360
1492	sub do_load_sync {	2361	sub do_load_sync {
1493	my ($map) = @_;	2362	my ($map) = @_;
1494		2363
1495	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;
1496	}	2369	}
1497		2370
1498	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1500		2373
1501	sub find_async {	2374	sub find_async {
1502	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1503		2376
1504	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1505		2378
1506	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1508	}	2381	}
1509		2382
1510	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1511	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1512	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2390	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2391	$map->load if $v;
		2392	}
1517		2393
1518	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1519	}	2395	}
1520	}	2396	}
1521	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1522	};	2398	};
1523	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1524		2400
1525	()	2401	()
1526	}	2402	}
1527		2403
		2404	# common code, used by both ->save and ->swapout
1528	sub save {	2405	sub _save {
1529	my ($self) = @_;	2406	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2407
1533	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1534		2409
1535	return unless $self->dirty;	2410	return unless $self->dirty;
1536		2411
…		…
1542	return if $self->{deny_save};	2417	return if $self->{deny_save};
1543		2418
1544	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1545		2420
1546	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1548	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1549		2427
1550	if ($uniq) {	2428	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2431	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2433	}
1556	}	2434	}
1557		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1558	sub swap_out {	2444	sub swap_out {
1559	my ($self) = @_;	2445	my ($self) = @_;
1560		2446
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1566	return if $self->players;	2451	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		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
1570	$self->clear;	2462	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2463	}
1573		2464
1574	sub reset_at {	2465	sub reset_at {
1575	my ($self) = @_;	2466	my ($self) = @_;
1576		2467
1577	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1580		2470
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2473
…		…
1594	my ($self) = @_;	2484	my ($self) = @_;
1595		2485
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2487
1598	return if $self->players;	2488	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2489
1601	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
		2491
		2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
1602		2501
1603	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1604		2503
1605	$self->in_memory (cf::MAP_SWAPPED);	2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2506	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2507
1610	$self->unlink_save;	2508	$self->unlink_save;
1611	$self->destroy;	2509	$self->destroy;
1612	}	2510	}
1613		2511
1614	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1615		2513
1616	sub nuke {	2514	sub nuke {
1617	my ($self) = @_;	2515	my ($self) = @_;
1618		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1619	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1620		2521
1621	$self->unlink_save;	2522	$self->unlink_save;
1622		2523
1623	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2529
1629	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1630		2532
1631	$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	]
1632	}	2570	}
1633		2571
1634	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1635		2573
1636	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2575	instantiated unique items. May block.
1638		2576
1639	=cut	2577	=cut
1640		2578
1641	sub unique_maps() {	2579	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1643	or return;	2581	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2582	utf8::decode $_;
1649	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2585	? ()
1652	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2588	]
1654
1655	\@paths
1656	}	2589	}
1657		2590
1658	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	}
1659		2622
1660	=back	2623	=back
1661		2624
1662	=head3 cf::object	2625	=head3 cf::object
1663		2626
…		…
1667		2630
1668	=over 4	2631	=over 4
1669		2632
1670	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1671		2634
1672	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.
1673		2637
1674	=cut	2638	=cut
1675		2639
1676	sub inv_recursive_;	2640	sub inv_recursive_;
1677	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1680		2644
1681	sub inv_recursive {	2645	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1683	}	2647	}
1684		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
1685	package cf;	2677	package cf;
1686		2678
1687	=back	2679	=back
1688		2680
1689	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1698		2690
1699	=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	};
1700		2706
1701	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2708	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1706		2712
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2714
1709	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1714	}	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 (@_);
1715	}	2740	}
1716		2741
1717	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1718		2743
1719	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1732		2757
1733	=item $player_object->enter_link	2758	=item $player_object->enter_link
1734		2759
1735	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}>).
1736		2761
1737	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.
1738	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.
1739		2766
1740	Will never block.	2767	Will never block.
1741		2768
1742	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1743		2770
…		…
1763	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2791	my ($self) = @_;
1765		2792
1766	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1767		2794
		2795	++$self->{_link_recursion};
		2796
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2798
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1772		2801
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2803	}
1775		2804
1776	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1778		2809
1779	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1780		2811
1781	unless ($map) {	2812	unless ($map) {
1782	# restore original map position	2813	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1795		2826
1796	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1799		2830
1800	$map->load;	2831	$map->load;
1801	$map->load_diag;
1802		2832
1803	return unless $self->contr->active;	2833	return unless $self->contr->active;
		2834
		2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2836	if ($self->enter_map ($map, $x, $y)) {
		2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2840	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2841	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2842
1822	# try to abort aborted map switching on player login :)	2843	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2844
1840	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		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
1842	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1843		2859
1844	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1845	my ($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;
1846		2871
1847	$self->enter_link;	2872	$self->enter_link;
1848		2873
1849	(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
1850	my $map = eval {	2896	my $map = eval {
1851	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2912	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1858	})->prio (1);	2920	})->prio (1);
1859	}	2921	}
1860		2922
1861	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1862		2924
…		…
1882	}	2944	}
1883		2945
1884	sub prepare_random_map {	2946	sub prepare_random_map {
1885	my ($exit) = @_;	2947	my ($exit) = @_;
1886		2948
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2951	# that depends on the exit object
1892		2952
1893	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2955	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1900	}	2962	}
1901		2963
1902	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1903		2965
1904	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1907		2969
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2972	undef $fh;
1911	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1912		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1915	}	2981	}
1916	}	2982	}
1917		2983
1918	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1920		2986
1921	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1922		2988
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2989	$self->enter_link;
1933		2990
1934	(async {	2991	(async {
1935	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1936	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
1937	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1938		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
1939	1;	3030	1
1940	}) {	3031	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1945		3036
1946	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	3038	$self->leave_link;
1948	}	3039	}
1949	})->prio (1);	3040	})->prio (1);
1950	}	3041	}
1951		3042
…		…
1962		3053
1963	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
1965		3056
1966	utf8::encode $text;	3057	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3058	$self->send_packet (sprintf "msg %d log %s", $flags || cf::NDI_BLACK, $text);
1968	}	3059	}
1969		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
		3084	}
		3085
		3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3087
		3088	Send a msg packet to the client, formatting the msg for the client if
		3089	necessary. C<$type> should be a string identifying the type of the
		3090	message, with C<log> being the default. If C<$color> is negative, suppress
		3091	the message unless the client supports the msg packet.
		3092
		3093	=cut
		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
		3213	);
		3214
		3215	sub cf::client::send_msg {
		3216	my ($self, $channel, $msg, $color, @extra) = @_;
		3217
		3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
		3220
		3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3222
		3223	# check predefined channels, for the benefit of C
		3224	if ($CHANNEL{$channel}) {
		3225	$channel = $CHANNEL{$channel};
		3226
		3227	$self->ext_msg (channel_info => $channel);
		3228	$channel = $channel->{id};
		3229
		3230	} elsif (ref $channel) {
		3231	# send meta info to client, if not yet sent
		3232	unless (exists $self->{channel}{$channel->{id}}) {
		3233	$self->{channel}{$channel->{id}} = $channel;
		3234	$self->ext_msg (channel_info => $channel);
		3235	}
		3236
		3237	$channel = $channel->{id};
		3238	}
		3239
		3240	return unless @extra || length $msg;
		3241
		3242	# default colour, mask it out
		3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3244	if $color & cf::NDI_DEF;
		3245
		3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
		3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3249	);
		3250
		3251	$self->send_big_packet ($pkt);
		3252	}
		3253
		3254	=item $client->ext_msg ($type, @msg)
		3255
		3256	Sends an ext event to the client.
		3257
		3258	=cut
		3259
		3260	sub cf::client::ext_msg($$@) {
		3261	my ($self, $type, @msg) = @_;
		3262
		3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3264	}
1970		3265
1971	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
1972		3267
1973	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3269	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3270	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3271
1977	Queries can fail, so check the return code. Or don't, as queries will become	3272	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3273	become reliable at some point in the future.
1979		3274
1980	=cut	3275	=cut
1981		3276
1982	sub cf::client::query {	3277	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3278	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3286	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3287	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3288
1994	$self->send_packet ($self->{query_queue}[0][0])	3289	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3290	if @{ $self->{query_queue} } == 1;
		3291
		3292	1
1996	}	3293	}
1997		3294
1998	cf::client->attach (	3295	cf::client->attach (
		3296	on_connect => sub {
		3297	my ($ns) = @_;
		3298
		3299	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3300	},
1999	on_reply => sub {	3301	on_reply => sub {
2000	my ($ns, $msg) = @_;	3302	my ($ns, $msg) = @_;
2001		3303
2002	# this weird shuffling is so that direct followup queries	3304	# this weird shuffling is so that direct followup queries
2003	# get handled first	3305	# get handled first
…		…
2015	} else {	3317	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3318	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3319	}
2018	}	3320	}
2019	},	3321	},
		3322	on_exticmd => sub {
		3323	my ($ns, $buf) = @_;
		3324
		3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3326
		3327	if (ref $msg) {
		3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3329
		3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
		3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
		3348	}
		3349	} else {
		3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3351	}
		3352
		3353	cf::override;
		3354	},
2020	);	3355	);
2021		3356
2022	=item $client->async (\&cb)	3357	=item $client->async (\&cb)
2023		3358
2024	Create a new coroutine, running the specified callback. The coroutine will	3359	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3375
2041	$coro	3376	$coro
2042	}	3377	}
2043		3378
2044	cf::client->attach (	3379	cf::client->attach (
2045	on_destroy => sub {	3380	on_client_destroy => sub {
2046	my ($ns) = @_;	3381	my ($ns) = @_;
2047		3382
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3384	},
2050	);	3385	);
…		…
2065	our $safe = new Safe "safe";	3400	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
2067		3402
2068	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
2069		3404
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3405	$safe->permit_only (Opcode::opset qw(
		3406	:base_core :base_mem :base_orig :base_math :base_loop
		3407	grepstart grepwhile mapstart mapwhile
		3408	sort time
		3409	));
2071		3410
2072	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
2073		3412
2074	=pod	3413	=pod
2075		3414
2076	The following fucntions and emthods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
2077		3416
2078	cf::object contr pay_amount pay_player map	3417	cf::object
		3418	contr pay_amount pay_player map x y force_find force_add destroy
		3419	insert remove name archname title slaying race decrease split
		3420	value
		3421
2079	cf::object::player player	3422	cf::object::player
2080	cf::player peaceful	3423	player
2081	cf::map trigger	3424
		3425	cf::player
		3426	peaceful
		3427
		3428	cf::map
		3429	trigger
2082		3430
2083	=cut	3431	=cut
2084		3432
2085	for (	3433	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3435	insert remove inv nrof name archname title slaying race
		3436	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
2090	) {	3440	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3443	for @funs;
2095	}	3444	}
2096		3445
…		…
2111		3460
2112	my $qcode = $code;	3461	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
2115		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
2116	local $_;	3468	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3469
2119	my $eval =	3470	my $eval =
2120	"do {\n"	3471	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3474	. $code
2124	. "\n}"	3475	. "\n}"
2125	;	3476	;
2126		3477
		3478	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
2130		3487
2131	if ($@) {	3488	if ($@) {
2132	warn "$@";	3489	warn "$@",
2133	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
2135	}	3492	}
2136		3493
2137	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
2138	}	3495	}
2139		3496
…		…
2153	=cut	3510	=cut
2154		3511
2155	sub register_script_function {	3512	sub register_script_function {
2156	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
2157		3514
2158	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
2160	}	3517	}
2161		3518
2162	=back	3519	=back
2163		3520
2164	=cut	3521	=cut
2165
2166	#############################################################################
2167
2168	=head2 EXTENSION DATABASE SUPPORT
2169
2170	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173
2174	The parameter C<$family> should best start with the name of the extension
2175	using it, it should be unique.
2176
2177	=over 4
2178
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}
2217
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}
2229
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},
2271	);
2272	}
2273		3522
2274	#############################################################################	3523	#############################################################################
2275	# the server's init and main functions	3524	# the server's init and main functions
2276		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
		3603	sub load_facedata($) {
		3604	my ($path) = @_;
		3605
		3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3607
		3608	trace "loading facedata from $path\n";
		3609
		3610	my $facedata = decode_storable load_file "$path/faceinfo";
		3611
		3612	$facedata->{version} == 2
		3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3614
		3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3617
		3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3619
		3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
		3623
		3624	{
		3625	my $faces = $facedata->{faceinfo};
		3626
		3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
		3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3630
		3631	cf::face::set_visibility $idx, $info->{visibility};
		3632	cf::face::set_magicmap $idx, $info->{magicmap};
		3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
		3638	}
		3639
		3640	while (my ($face, $info) = each %$faces) {
		3641	next unless $info->{smooth};
		3642
		3643	my $idx = cf::face::find $face
		3644	or next;
		3645
		3646	if (my $smooth = cf::face::find $info->{smooth}) {
		3647	cf::face::set_smooth $idx, $smooth;
		3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3649	} else {
		3650	error "smooth face '$info->{smooth}' not found for face '$face'";
		3651	}
		3652	}
		3653	}
		3654
		3655	{
		3656	my $anims = $facedata->{animinfo};
		3657
		3658	while (my ($anim, $info) = each %$anims) {
		3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3660	}
		3661
		3662	cf::anim::invalidate_all; # d'oh
		3663	}
		3664
		3665	{
		3666	my $res = $facedata->{resource};
		3667
		3668	while (my ($name, $info) = each %$res) {
		3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
		3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3672
		3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
		3679	} else {
		3680	# $RESOURCE{$name} = $info; # unused
		3681	}
		3682	}
		3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
		3694
		3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
		3699	1
		3700	}
		3701
		3702	register_exticmd fx_want => sub {
		3703	my ($ns, $want) = @_;
		3704
		3705	while (my ($k, $v) = each %$want) {
		3706	$ns->fx_want ($k, $v);
		3707	}
		3708	};
		3709
2277	sub load_resources {	3710	sub load_resource_file($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
		3733
		3734	sub reload_regions {
		3735	# HACK to clear player env face cache, we need some signal framework
		3736	# for this (global event?)
		3737	%ext::player_env::MUSIC_FACE_CACHE = ();
		3738
		3739	load_resource_file "$MAPDIR/regions"
2279	or die "unable to load regions file\n";#d#	3740	or die "unable to load regions file\n";
2280	}
2281		3741
2282	sub cfg_load {	3742	for (cf::region::list) {
2283	open my $fh, "<:utf8", cf::confdir . "/config"	3743	$_->{match} = qr/$_->{match}/
2284	or return;	3744	if exists $_->{match};
		3745	}
		3746	}
2285		3747
2286	local $/;	3748	sub reload_facedata {
2287	*CFG = YAML::Syck::Load <$fh>;	3749	load_facedata $DATADIR
		3750	or die "unable to load facedata\n";
		3751	}
2288		3752
		3753	sub reload_archetypes {
		3754	load_resource_file "$DATADIR/archetypes"
		3755	or die "unable to load archetypes\n";
		3756
		3757	cf::face::set
		3758	"res/skill_info" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
		3768	}
		3769
		3770	sub reload_treasures {
		3771	load_resource_file "$DATADIR/treasures"
		3772	or die "unable to load treasurelists\n";
		3773	}
		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
		3795	sub reload_resources {
		3796	trace "reloading resource files...\n";
		3797
		3798	reload_materials;
		3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
		3802	reload_archetypes;
		3803	reload_regions;
		3804	reload_treasures;
		3805
		3806	trace "finished reloading resource files\n";
		3807	}
		3808
		3809	sub reload_config {
		3810	trace "reloading config file...\n";
		3811
		3812	my $config = load_file "$CONFDIR/config";
		3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
		3815
2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2290		3817
2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2293		3820
2294	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
2298	};	3825	};
2299	warn $@ if $@;	3826	warn $@ if $@;
2300	}	3827	}
2301	}	3828	}
2302		3829
2303	sub init {	3830	sub pidfile() {
2304	load_resources;	3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
2305	}	3856	}
2306		3857
2307	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
2308	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	3869	$Coro::idle = sub {
2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2311	(async {	3871	(async {
2312	Event::one_event;	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3873	EV::loop EV::LOOP_ONESHOT;
2313	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
2314	};	3875	};
2315		3876
2316	cfg_load;	3877	evthread_start IO::AIO::poll_fileno;
2317	db_load;	3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
		3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
		3891	reload_config;
		3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
2318	load_extensions;	3901	load_extensions;
2319		3902
2320	$TICK_WATCHER->start;	3903	utime time, time, $RUNTIMEFILE;
2321	Event::loop;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
2322	}	3920	}
2323		3921
2324	#############################################################################	3922	#############################################################################
2325	# initialisation and cleanup	3923	# initialisation and cleanup
2326		3924
2327	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
2328	BEGIN {	3926	BEGIN {
		3927	our %SIGWATCHER = ();
2329	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
2330	Event->signal (	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2331	reentrant => 0,
2332	data => WF_AUTOCANCEL,
2333	signal => $signal,
2334	prio => 0,
2335	cb => sub {
2336	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
2337	},
2338	);	3931	};
		3932	}
		3933	}
		3934
		3935	sub write_runtime_sync {
		3936	my $t0 = AE::time;
		3937
		3938	# first touch the runtime file to show we are still running:
		3939	# the fsync below can take a very very long time.
		3940
		3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3942
		3943	my $guard = cf::lock_acquire "write_runtime";
		3944
		3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3946	or return;
		3947
		3948	my $value = $cf::RUNTIME + 90 + 10;
		3949	# 10 is the runtime save interval, for a monotonic clock
		3950	# 60 allows for the watchdog to kill the server.
		3951
		3952	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3953	and return;
		3954
		3955	# always fsync - this file is important
		3956	aio_fsync $fh
		3957	and return;
		3958
		3959	# touch it again to show we are up-to-date
		3960	aio_utime $fh, undef, undef;
		3961
		3962	close $fh
		3963	or return;
		3964
		3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3966	and return;
		3967
		3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3969
2339	}	3970	1
		3971	}
		3972
		3973	our $uuid_lock;
		3974	our $uuid_skip;
		3975
		3976	sub write_uuid_sync($) {
		3977	$uuid_skip ||= $_[0];
		3978
		3979	return if $uuid_lock;
		3980	local $uuid_lock = 1;
		3981
		3982	my $uuid = "$LOCALDIR/uuid";
		3983
		3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3985	or return;
		3986
		3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
		3995	$uuid_skip = 0;
		3996
		3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3998	and return;
		3999
		4000	# always fsync - this file is important
		4001	aio_fsync $fh
		4002	and return;
		4003
		4004	close $fh
		4005	or return;
		4006
		4007	aio_rename "$uuid~", $uuid
		4008	and return;
		4009
		4010	trace "uuid file written ($value).\n";
		4011
		4012	1
		4013
		4014	}
		4015
		4016	sub write_uuid($$) {
		4017	my ($skip, $sync) = @_;
		4018
		4019	$sync ? write_uuid_sync $skip
		4020	: async { write_uuid_sync $skip };
2340	}	4021	}
2341		4022
2342	sub emergency_save() {	4023	sub emergency_save() {
2343	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
2344		4025
2345	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
2346		4032
2347	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
2348	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
2349	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
2350	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
2351	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
2352	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
2353	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
2354	$pl->valid or next;	4042	$pl->valid or next;
		4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2355	$pl->save;	4044	$pl->save;
2356	}	4045	}
2357	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
2358		4047
2359	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
2360	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
2361	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	4053	$map->valid or next;
2363	$map->save;	4054	$map->save;
2364	}	4055	}
2365	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
		4057
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
		4061	BDB::db_env_txn_checkpoint $DB_ENV;
		4062	info "emergency_perl_save: end database checkpoint\n";
		4063
		4064	info "emergency_perl_save: begin write uuid\n";
		4065	write_uuid_sync 1;
		4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
2366	};	4086	};
2367		4087
2368	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
2369	}	4089	}
2370		4090
		4091	sub post_cleanup {
		4092	my ($make_core) = @_;
		4093
		4094	IO::AIO::flush;
		4095
		4096	error Carp::longmess "post_cleanup backtrace"
		4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
		4126	}
		4127
2371	sub reload() {	4128	sub do_reload_perl() {
2372	# can/must only be called in main	4129	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
2374	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
2375	return;	4132	return;
2376	}	4133	}
2377		4134
2378	warn "reloading...";	4135	return if $RELOAD++;
2379		4136
2380	warn "cancelling server ticker";	4137	my $t1 = AE::time;
2381	$TICK_WATCHER->cancel;
2382		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
		4145	cf::sync_job {
2383	cf::emergency_save;	4146	#cf::emergency_save;
2384		4147
2385	eval {
2386	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390
2391	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}
2395
2396	warn "flushing outstanding aio requests";
2397	for (;;) {
2398	IO::AIO::flush;
2399	Coro::cede;
2400	last unless IO::AIO::nreqs;
2401	warn "iterate...";
2402	}
2403
2404	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();	4150	%EXT_CORO = ();
2407		4151
2408	warn "removing commands";	4152	trace "perl_reload: removing commands";
2409	%COMMAND = ();	4153	%COMMAND = ();
2410		4154
2411	warn "removing ext commands";	4155	trace "perl_reload: removing ext/exti commands";
2412	%EXTCMD = ();	4156	%EXTCMD = ();
		4157	%EXTICMD = ();
2413		4158
2414	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
2415	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
2416	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
2417		4162
2418	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
2419	eval {	4164	eval {
2420	$cb->($pkg);	4165	$cb->($pkg);
2421	1	4166	1
2422	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
2423	}	4172	}
2424		4173
2425	warn "... nuking $pkg";
2426	Symbol::delete_package $pkg;
2427	}
2428
2429	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2430	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2432		4177
2433	warn "... unloading $k";	4178	trace "... unloading $k";
2434	delete $INC{$k};	4179	delete $INC{$k};
2435		4180
2436	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
2437	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
2438		4183
2439	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
2440	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
2441	}	4189	}
2442		4190
2443	Symbol::delete_package $k;
2444	}
2445
2446	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
2447	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2449		4194
2450	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
		4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2452		4198
2453	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
2454	# and global variables created in xs	4200	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
2456		4202
2457	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
2458		4204
2459	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
2460	require cf;	4206	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
2462		4208
2463	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
2464	cf::cfg_load;	4210	cf::reload_config;
2465	cf::db_load;
2466		4211
2467	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
2468	cf::load_extensions;	4213	cf::load_extensions;
2469		4214
		4215	if ($REATTACH_ON_RELOAD) {
2470	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
2471	_global_reattach;	4217	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
2473	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
		4220	trace "perl_reload: reattaching attachments to players";
		4221	reattach $_ for values %PLAYER;
		4222	}
2474		4223
2475	warn "loading reloadable resources";	4224	cf::_post_init 1;
2476	load_resources;
2477		4225
2478	warn "restarting server ticker";	4226	trace "perl_reload: leaving sync_job";
2479		4227
2480	$TICK_WATCHER->start;	4228	1
		4229	} or do {
		4230	error $@;
		4231	cf::cleanup "perl_reload: error, exiting.";
		4232	};
		4233
		4234	--$RELOAD;
		4235	}
		4236
		4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
		4239	};
		4240
		4241	our $RELOAD_WATCHER; # used only during reload
		4242
		4243	sub reload_perl() {
		4244	# doing reload synchronously and two reloads happen back-to-back,
		4245	# coro crashes during coro_state_free->destroy here.
		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
		4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4251	do_reload_perl;
		4252	undef $RELOAD_WATCHER;
		4253	};
2481	};	4254	};
2482		4255	}
2483	if ($@) {
2484	warn $@;
2485	warn "error while reloading, exiting.";
2486	exit 1;
2487	}
2488
2489	warn "reloaded";
2490	};
2491
2492	our $RELOAD_WATCHER; # used only during reload
2493		4256
2494	register_command "reload" => sub {	4257	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
2496		4259
2497	if ($who->flag (FLAG_WIZ)) {	4260	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	4261	$who->message ("reloading server.");
2499		4262	async {
2500	# doing reload synchronously and two reloads happen back-to-back,	4263	$Coro::current->{desc} = "perl_reload";
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;	4264	reload_perl;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);	4265	};
2512	}	4266	}
2513	};	4267	};
2514		4268
2515	unshift @INC, $LIBDIR;	4269	#############################################################################
2516		4270
2517	my $bug_warning = 0;	4271	my $bug_warning = 0;
2518		4272
2519	$TICK_WATCHER = Event->timer (	4273	sub wait_for_tick() {
2520	reentrant => 0,	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2521	parked => 1,	4275
2522	prio => 0,	4276	$WAIT_FOR_TICK->wait;
2523	at => $NEXT_TICK || $TICK,	4277	}
2524	data => WF_AUTOCANCEL,	4278
2525	cb => sub {	4279	sub wait_for_tick_begin() {
		4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4281
		4282	my $signal = new Coro::Signal;
		4283	push @WAIT_FOR_TICK_BEGIN, $signal;
		4284	$signal->wait;
		4285	}
		4286
		4287	sub tick {
2526	if ($Coro::current != $Coro::main) {	4288	if ($Coro::current != $Coro::main) {
2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
2529	return;	4291	return;
		4292	}
		4293
		4294	cf::one_tick; # one server iteration
		4295
		4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4297
		4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4300	Coro::async_pool {
		4301	$Coro::current->{desc} = "runtime saver";
		4302	write_runtime_sync
		4303	or error "ERROR: unable to write runtime file: $!";
2530	}	4304	};
		4305	}
2531		4306
2532	$NOW = Event::time;	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2533		4308	$sig->send;
2534	cf::server_tick; # one server iteration	4309	}
2535	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;
2537
2538	$WAIT_FOR_TICK->broadcast;	4310	$WAIT_FOR_TICK->broadcast;
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2540		4311
2541	Event::sweep;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
2542	Coro::cede_notself;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4314
		4315	if (0) {
		4316	if ($NEXT_TICK) {
		4317	my $jitter = $TICK_START - $NEXT_TICK;
		4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4319	debug "jitter $JITTER\n";#d#
2543		4320	}
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	4321	}
2553	);	4322	}
2554		4323
		4324	{
		4325	# configure BDB
		4326	info "initialising database";
		4327
		4328	BDB::min_parallel 16;
		4329	BDB::max_poll_reqs $TICK * 0.1;
		4330	#$AnyEvent::BDB::WATCHER->priority (1);
		4331
		4332	unless ($DB_ENV) {
		4333	$DB_ENV = BDB::db_env_create;
		4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4339
		4340	cf::sync_job {
		4341	eval {
		4342	BDB::db_env_open
		4343	$DB_ENV,
		4344	$BDBDIR,
		4345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4347	0666;
		4348
		4349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4350	};
		4351
		4352	cf::cleanup "db_env_open(db): $@" if $@;
		4353	};
		4354	}
		4355
		4356	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4357	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4358	};
		4359	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4361	};
		4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4364	};
		4365
		4366	info "database initialised";
		4367	}
		4368
		4369	{
		4370	# configure IO::AIO
		4371
		4372	info "initialising aio";
		4373	IO::AIO::min_parallel 8;
2555	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
		4375	undef $AnyEvent::AIO::WATCHER;
		4376	info "aio initialised";
		4377	}
2556		4378
2557	undef $Coro::AIO::WATCHER;	4379	our $_log_backtrace;
2558	$AIO_POLL_WATCHER = Event->io (	4380	our $_log_backtrace_last;
2559	reentrant => 0,
2560	fd => IO::AIO::poll_fileno,
2561	poll => 'r',
2562	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,
2565	);
2566		4381
2567	$WRITE_RUNTIME_WATCHER = Event->timer (	4382	sub _log_backtrace {
2568	reentrant => 0,	4383	my ($msg, @addr) = @_;
2569	data => WF_AUTOCANCEL,	4384
2570	after => 1,	4385	$msg =~ s/\n$//;
2571	interval => 10,	4386
2572	prio => 6, # keep it lowest so it acts like a watchdog	4387	if ($_log_backtrace_last eq $msg) {
2573	cb => Coro::unblock_sub {	4388	LOG llevInfo, "[ABT] $msg\n";
2574	write_runtime	4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2575	or warn "ERROR: unable to write runtime file: $!";	4390	# limit the # of concurrent backtraces
		4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
		4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
		4395	async {
		4396	$Coro::current->{desc} = "abt $msg";
		4397
		4398	my @bt = fork_call {
		4399	@addr = map { sprintf "%x", $_ } @addr;
		4400	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4401	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4402	or die "addr2line: $!";
		4403
		4404	my @funcs;
		4405	my @res = <$fh>;
		4406	chomp for @res;
		4407	while (@res) {
		4408	my ($func, $line) = splice @res, 0, 2, ();
		4409	push @funcs, "[$func] $line";
		4410	}
		4411
		4412	@funcs
		4413	};
		4414
		4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4417	LOG llevInfo, "[ABT] $_\n" for @bt;
		4418	--$_log_backtrace;
		4419	};
		4420	} else {
		4421	LOG llevInfo, "[ABT] $msg\n";
		4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2576	},	4423	}
2577	);	4424	}
		4425
		4426	# load additional modules
		4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
2578		4429
2579	END { cf::emergency_save }	4430	END { cf::emergency_save }
2580		4431
2581	1	4432	1
2582		4433

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