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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.601 by root, Sun Nov 11 05:53:12 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 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use IO::AIO ();
27	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
28		65
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		78
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		81
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		83
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		85
40	our %COMMAND = ();	86	our %COMMAND = ();
41	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
42		88
43	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
47		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	98	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
50		101
51	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	103
53	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	144	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		145
59	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		149
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
79	binmode STDOUT;	166	binmode STDOUT;
80	binmode STDERR;	167	binmode STDERR;
81		168
82	# read virtual server time, if available	169	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
87	}	174	}
88		175
89	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	177
91	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		180
96	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
97		182
98	sub cf::map::normalise;	183	sub cf::map::normalise;
99		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
100	#############################################################################	189	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
103		203
104	=over 4	204	=over 4
105		205
106	=item $cf::UPTIME	206	=item $cf::UPTIME
107		207
108	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.
109		224
110	=item $cf::RUNTIME	225	=item $cf::RUNTIME
111		226
112	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
113	every server tick.	228	every server tick.
114		229
115	=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
116		233
117	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	245	=item $cf::LOAD
121		246
122	The time of the last (current) server tick.	247	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		248
128	=item %cf::CFG	249	=item %cf::CFG
129		250
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	252	from wherever your confdir points to.
132		253
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		255
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
137	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
138	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
139		289
140	=back	290	=back
141		291
142	=cut	292	=cut
143		293
144	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	301	my $msg = join "", @_;
147	utf8::encode $msg;
148		302
149	$msg .= "\n"	303	$msg .= "\n"
150	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
151		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
152	LOG llevError, $msg;	308	LOG llevWarn, $msg;
153	};	309	};
154	}	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	};
155		324
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		332
163	# 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
164	# within the Safe compartment.	334	# within the Safe compartment.
165	for my $pkg (qw(	335	for my $pkg (qw(
166	cf::global cf::attachable	336	cf::global cf::attachable
167	cf::object cf::object::player	337	cf::object cf::object::player
168	cf::client cf::player	338	cf::client cf::player
169	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
170	cf::map cf::party cf::region	341	cf::party cf::region
171	)) {	342	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	344	}
175		345
176	$Event::DIED = sub {	346	$EV::DIED = sub {
177	warn "error in event callback: @_";	347	warn "error in event callback: $@";
178	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
179		356
180	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
181		358
182	=over 4	359	=over 4
183		360
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	380	$d
204	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
205	}	382	}
206		383
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
208		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
209	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
210		437
211	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
212		439
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
221		441
222	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
223		443
224	=cut	444	=cut
225		445
226	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
228	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	}
229	}	511	}
230		512
231	=item cf::lock_wait $string	513	=item cf::lock_wait $string
232		514
233	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
234		516
235	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
236		518
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
240	returned.	522	returned.
241		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
242	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
243	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
244		529
245	=cut	530	=item $locked = cf::lock_active $string
246		531
247	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
248		537
249	sub lock_wait($) {	538	sub lock_wait($) {
250	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	540	}
258		541
259	sub lock_acquire($) {	542	sub lock_acquire($) {
260	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
261		545
262	# wait, to be sure we are not locked	546	sub lock_active($) {
263	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	548	}
272		549
273	sub freeze_mainloop {	550	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
275		552
276	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
278	};	623	}
279	$TICK_WATCHER->stop;	624	};
280	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
281	}	639	}
282		640
283	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
284		642
285	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		648
291	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
292		650
293	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
294		652
295	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
298		657
299	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
302	fast or be very important.	661	fast or be very important.
…		…
304	=cut	663	=cut
305		664
306	sub sync_job(&) {	665	sub sync_job(&) {
307	my ($job) = @_;	666	my ($job) = @_;
308		667
309	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
310	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
312		673
313	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	675
315	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
316		677
317	my $busy = 1;	678	my $busy = 1;
318	my @res;	679	my @res;
319		680
320	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	683	@res = eval { $job->() };
322	warn $@ if $@;	684	error $@ if $@;
323	undef $busy;	685	undef $busy;
324	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
325		687
326	while ($busy) {	688	while ($busy) {
327	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
328	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
329		699
330	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
331	} else {	701	} else {
332	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
333		703
…		…
353	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
354		724
355	$coro	725	$coro
356	}	726	}
357		727
358	sub write_runtime {	728	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		729
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	730	Executes the given code block with the given arguments in a seperate
362	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.
363		734
364	my $value = $cf::RUNTIME + 90 + 10;	735	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		736
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	737	sub post_fork {
369	and return;	738	reset_signals;
		739	}
370		740
371	# always fsync - this file is important	741	sub fork_call(&@) {
372	aio_fsync $fh	742	my ($cb, @args) = @_;
373	and return;
374		743
375	close $fh	744	# we seemingly have to make a local copy of the whole thing,
376	or return;	745	# otherwise perl prematurely frees the stuff :/
		746	# TODO: investigate and fix (likely this will be rather laborious)
377		747
378	aio_rename "$runtime~", $runtime	748	my @res = Coro::Util::fork_eval {
379	and return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
380		752
		753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
381	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = EV::time;
		907	my $data = $process->(\@data);
		908	my $t2 = EV::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
		920	}
		921
		922	=item cf::datalog type => key => value, ...
		923
		924	Log a datalog packet of the given type with the given key-value pairs.
		925
		926	=cut
		927
		928	sub datalog($@) {
		929	my ($type, %kv) = @_;
		930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	931	}
383		932
384	=back	933	=back
385		934
386	=cut	935	=cut
387		936
388	#############################################################################	937	#############################################################################
389		938
390	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
391		940
392	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
395		944
396	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	947	Deliantra).
399		948
400	=over 4	949	=over 4
401		950
402	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
403		952
…		…
447	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
448		997
449	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
451		1000
452	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
454		1003
455	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
456		1005
457	=over 4	1006	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
567		1116
568	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1121
573	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
575		1124
576	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
581		1130
582	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1133
585	} elsif (ref $type) {	1134	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
587		1136
588	} else {	1137	} else {
589	shift @arg;	1138	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
591	}	1140	}
592	}	1141	}
593	}	1142	}
594		1143
595	sub _object_attach {	1144	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
606	}	1155	}
607		1156
608	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
609	} else {	1158	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1160	}
612		1161
613	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
614	}	1163	}
615		1164
…		…
617	if (ref $_[0]) {	1166	if (ref $_[0]) {
618	_object_attach @_;	1167	_object_attach @_;
619	} else {	1168	} else {
620	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
621	}	1170	}
		1171	_recalc_want;
622	};	1172	};
623		1173
624	# all those should be optimised	1174	# all those should be optimised
625	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1180	reattach ($obj);
631	} else {	1181	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
633	}	1183	}
		1184	_recalc_want;
634	};	1185	};
635		1186
636	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
638		1189
…		…
653	";	1204	";
654	die if $@;	1205	die if $@;
655	}	1206	}
656		1207
657	our $override;	1208	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1210
660	sub override {	1211	sub override {
661	$override = 1;	1212	$override = 1;
662	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
663	}	1214	}
664		1215
665	sub do_invoke {	1216	sub do_invoke {
666	my $event = shift;	1217	my $event = shift;
667	my $callbacks = shift;	1218	my $callbacks = shift;
668		1219
669	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
670		1221
671	local $override;	1222	local $override;
672		1223
673	for (@$callbacks) {	1224	for (@$callbacks) {
674	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
675		1226
676	if ($@) {	1227	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1229	override;
680	}	1230	}
681		1231
682	return 1 if $override;	1232	return 1 if $override;
683	}	1233	}
684		1234
685	0	1235	0
686	}	1236	}
687		1237
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1239
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1241
692	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
693		1243
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1247
698	=back	1248	=back
699		1249
700	=cut	1250	=cut
701		1251
702	#############################################################################	1252	#############################################################################
703	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
704		1296
705	sub reattach {	1297	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1299	my ($obj) = @_;
708		1300
		1301	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1303
711	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
712		1305
713	@$registry = ();	1306	@$registry = ();
714		1307
…		…
719	for (@$attach) {	1312	for (@$attach) {
720	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
722	}	1315	}
723	} else {	1316	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1318	}
726	}	1319	}
727	}	1320	}
728		1321
729	cf::attachable->attach (	1322	cf::attachable->attach (
730	prio => -1000000,	1323	prio => -1000000,
731	on_instantiate => sub {	1324	on_instantiate => sub {
732	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
733		1326
734	$data = from_json $data;	1327	$data = decode_json $data;
735		1328
736	for (@$data) {	1329	for (@$data) {
737	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
738		1331
739	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1348	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
757		1350
758	sync_job {	1351	sync_job {
759	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
762		1357
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
767	close $fh;	1365	aio_close $fh;
768		1366
769	if (@$objs) {	1367	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
775	close $fh;	1376	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
777	}	1378	}
778	} else {	1379	} else {
779	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
780	}	1381	}
781		1382
782	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1387	} else {
784	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
785	}	1389	}
786	} else {	1390	} else {
787	aio_unlink $filename;	1391	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
789	}	1393	}
790	}	1394	};
791	}	1395	}
792		1396
793	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
795		1399
…		…
807	or return;	1411	or return;
808		1412
809	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
811	or return;	1415	or return;
		1416
812	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
813	}	1419	}
814		1420
		1421	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
817	return ($data, $av);	1426	($data, $av)
818	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
819		1434
820	#############################################################################	1435	#############################################################################
821	# command handling &c	1436	# command handling &c
822		1437
823	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
824		1439
825	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
826	$name.	1441	$name.
827		1442
828	=cut	1443	=cut
…		…
834	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
835		1450
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1452	}
838		1453
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
840		1455
841	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
842		1461
843	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
844	called.
845		1463
846	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
847		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
848	sub register_extcmd {	1486	sub register_extcmd($$) {
849	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
850		1488
851	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
852	}	1490	}
853		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
854	cf::player->attach (	1512	cf::player->attach (
855	on_command => sub {	1513	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
857		1515
858	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
859	or return;	1517	or return;
860		1518
…		…
865	cf::override;	1523	cf::override;
866	},	1524	},
867	on_extcmd => sub {	1525	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
869		1527
870	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1529
872	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
875	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
876	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
877	}	1551	}
		1552
878	} else {	1553	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1555	}
881		1556
882	cf::override;	1557	cf::override;
883	},	1558	},
884	);	1559	);
885		1560
		1561	# "readahead" all extensions
886	sub load_extension {	1562	sub cache_extensions {
887	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
888		1564
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1567	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	}	1568	}
914	die $@;
915	}	1569	};
916		1570
917	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
918	}	1583	}
919		1584
920	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
921	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1594	next unless -r $path;
923	eval {	1595
924	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
925	1	1668	}
926	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
927	}	1681	};
928	}	1682	}
929		1683
930	#############################################################################	1684	#############################################################################
931		1685
		1686	=back
		1687
932	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
933		1689
934	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
935		1691
936	=cut	1692	=cut
937		1693
938	package cf::player;	1694	package cf::player;
939		1695
…		…
941		1697
942	=head3 cf::player	1698	=head3 cf::player
943		1699
944	=over 4	1700	=over 4
945		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
946	=item cf::player::find $login	1716	=item cf::player::find $login
947		1717
948	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
949		1719
950	=cut	1720	=cut
951		1721
952	sub playerdir($) {	1722	sub playerdir($) {
953	cf::localdir	1723	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1725	}
959		1726
960	sub path($) {	1727	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1729
963	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
964	}	1731	}
965		1732
966	sub find_active($) {	1733	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
971		1738
972	sub exists($) {	1739	sub exists($) {
973	my ($login) = @_;	1740	my ($login) = @_;
974		1741
975	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
977	}	1744	}
978		1745
979	sub find($) {	1746	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1748	my $login = $_[0];
982		1749
983	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
984		1751
985	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1753	# rename old playerfiles to new ones
		1754	#TODO: remove when no longer required
		1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1758	aio_unlink +(playerdir $login) . "/$login.pl";
		1759
		1760	my $f = new_from_file cf::object::thawer path $login
987	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
989	}	1769	}
990	}	1770	}
991	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
992		1785
993	sub save($) {	1786	sub save($) {
994	my ($pl) = @_;	1787	my ($pl) = @_;
995		1788
996	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1002		1795
1003	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1005		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1006	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1007	Coro::cede;	1805	cf::cede_to_tick;
1008	}	1806	}
1009		1807
1010	sub new($) {	1808	sub new($) {
1011	my ($login) = @_;	1809	my ($login) = @_;
1012		1810
…		…
1018	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1019		1817
1020	$self	1818	$self
1021	}	1819	}
1022		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1023	=item $pl->quit_character	1831	=item $pl->quit_character
1024		1832
1025	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1027		1835
1028	=cut	1836	=cut
1029		1837
1030	sub quit_character {	1838	sub quit_character {
1031	my ($pl) = @_;	1839	my ($pl) = @_;
1032		1840
		1841	my $name = $pl->ob->name;
		1842
1033	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1845
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1039	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1040		1854
1041	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1858	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1859	$pl->destroy;
		1860
		1861	my $prefix = qr<^~\Q$name\E/>;
		1862
		1863	# nuke player maps
		1864	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1865
1046	IO::AIO::aio_rmtree $temp;	1866	IO::AIO::aio_rmtree $temp;
		1867	}
		1868
		1869	=item $pl->kick
		1870
		1871	Kicks a player out of the game. This destroys the connection.
		1872
		1873	=cut
		1874
		1875	sub kick {
		1876	my ($pl, $kicker) = @_;
		1877
		1878	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1879	$pl->killer ("kicked");
		1880	$pl->ns->destroy;
1047	}	1881	}
1048		1882
1049	=item cf::player::list_logins	1883	=item cf::player::list_logins
1050		1884
1051	Returns am arrayref of all valid playernames in the system, can take a	1885	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1053		1887
1054	=cut	1888	=cut
1055		1889
1056	sub list_logins {	1890	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1892	or return [];
1059		1893
1060	my @logins;	1894	my @logins;
1061		1895
1062	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1066		1906
1067	utf8::decode $login;	1907	utf8::decode $login;
1068	push @logins, $login;	1908	push @logins, $login;
1069	}	1909	}
1070		1910
1071	\@logins	1911	\@logins
1072	}	1912	}
1073		1913
1074	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1075		1917
1076	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1077	player. May block.	1919	player. May block.
1078		1920
1079	=cut	1921	=cut
…		…
1097	}	1939	}
1098		1940
1099	\@paths	1941	\@paths
1100	}	1942	}
1101		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1103		1949
1104	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1105		1951
1106	=cut	1952	=cut
1107		1953
1108	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1109	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1110		1956
1111	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1958	}
1115		1959
1116	package cf;	1960	=head3 cf::region
		1961
		1962	=over 4
		1963
		1964	=cut
		1965
		1966	package cf::region;
		1967
		1968	=item cf::region::find_by_path $path
		1969
		1970	Tries to decuce the likely region for a map knowing only its path.
		1971
		1972	=cut
		1973
		1974	sub find_by_path($) {
		1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
		1979	my ($match, $specificity);
		1980
		1981	for my $region (list) {
		1982	if ($region->{match} && $path =~ $region->{match}) {
		1983	($match, $specificity) = ($region, $region->specificity)
		1984	if $region->specificity > $specificity;
		1985	}
		1986	}
		1987
		1988	$match
		1989	}
1117		1990
1118	=back	1991	=back
1119
1120		1992
1121	=head3 cf::map	1993	=head3 cf::map
1122		1994
1123	=over 4	1995	=over 4
1124		1996
…		…
1136	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1138		2010
1139	sub generate_random_map {	2011	sub generate_random_map {
1140	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1142	$self->_create_random_map (	2016	$self->_create_random_map ($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}), $rmp->{custom}
1154	)
1155	}	2017	}
1156		2018
1157	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1158		2020
1159	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1164		2026
1165	sub register {	2027	sub register {
1166	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	2029	my $pkg = caller;
1168		2030
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		2032
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	2034	}
1174		2035
1175	# also paths starting with '/'	2036	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		2038
1178	sub thawer_merge {	2039	sub thawer_merge {
1179	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1180		2041
1181	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1182	local $self->{path};	2043	local $self->{path};
1183	local $self->{load_path};	2044	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		2045
1187	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1188	}	2047	}
1189		2048
1190	sub normalise {	2049	sub normalise {
1191	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1192		2051
1193	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1194		2053
1195	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1196		2055
1197	# map plan:	2056	# map plan:
1198	#	2057	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2073	$path = "$base/$path";
1215	}	2074	}
1216		2075
1217	for ($path) {	2076	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1221	}	2079	}
1222		2080
1223	$path	2081	$path
…		…
1237	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1238	return $self;	2096	return $self;
1239	}	2097	}
1240	}	2098	}
1241		2099
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2101	()
1244	}	2102	}
1245		2103
		2104	# may re-bless or do other evil things
1246	sub init {	2105	sub init {
1247	my ($self) = @_;	2106	my ($self) = @_;
1248		2107
1249	$self	2108	$self
1250	}	2109	}
…		…
1262		2121
1263	# the original (read-only) location	2122	# the original (read-only) location
1264	sub load_path {	2123	sub load_path {
1265	my ($self) = @_;	2124	my ($self) = @_;
1266		2125
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1268	}	2127	}
1269		2128
1270	# the temporary/swap location	2129	# the temporary/swap location
1271	sub save_path {	2130	sub save_path {
1272	my ($self) = @_;	2131	my ($self) = @_;
1273		2132
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1276	}	2135	}
1277		2136
1278	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1279	sub uniq_path {	2138	sub uniq_path {
1280	my ($self) = @_;	2139	my ($self) = @_;
1281		2140
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1284	}	2143	}
1285		2144
1286	# and all this just because we cannot iterate over	2145	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2146	my ($self) = @_;
1290		2147
1291	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1293	}	2151	}
1294		2152
1295	sub unlink_save {	2153	sub unlink_save {
1296	my ($self) = @_;	2154	my ($self) = @_;
1297		2155
…		…
1302		2160
1303	sub load_header_from($) {	2161	sub load_header_from($) {
1304	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1305		2163
1306	utf8::encode $path;	2164	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	2166	or return;
1312		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1313	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1314		2175
1315	1	2176	1
1316	}	2177	}
1317		2178
		2179	# used to laod the header of an original map
1318	sub load_header_orig {	2180	sub load_header_orig {
1319	my ($self) = @_;	2181	my ($self) = @_;
1320		2182
1321	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1322	}	2184	}
1323		2185
		2186	# used to laod the header of an instantiated map
1324	sub load_header_temp {	2187	sub load_header_temp {
1325	my ($self) = @_;	2188	my ($self) = @_;
1326		2189
1327	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1328	}	2191	}
1329		2192
		2193	# called after loading the header from an instantiated map
1330	sub prepare_temp {	2194	sub prepare_temp {
1331	my ($self) = @_;	2195	my ($self) = @_;
1332		2196
1333	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1334	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1335	# safety	2199	# safety
1336	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1337	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1338	}	2202	}
1339		2203
		2204	# called after loading the header from an original map
1340	sub prepare_orig {	2205	sub prepare_orig {
1341	my ($self) = @_;	2206	my ($self) = @_;
1342		2207
1343	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1344	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1355	$self->load_header_orig	2220	$self->load_header_orig
1356	or return;	2221	or return;
1357	$self->prepare_orig;	2222	$self->prepare_orig;
1358	}	2223	}
1359		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
		2228	$self->default_region (cf::region::find_by_path $self->{path})
		2229	unless $self->default_region;
		2230
1360	1	2231	1
1361	}	2232	}
1362		2233
1363	sub find;	2234	sub find;
1364	sub find {	2235	sub find {
1365	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1366		2237
		2238	cf::cede_to_tick;
		2239
1367	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1368		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2244
1371	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1374	or return;	2247	or return;
1375		2248
1376	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1377		2250
1378	$map->load_header	2251	$map->load_header
1379	or return;	2252	or return;
1380		2253
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1384	$map->reset;	2259	$map->reset;
1385	undef $guard;
1386	return find $path;	2260	return find $path;
1387	}	2261	}
1388		2262
1389	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1390	}	2264	}
1391	}	2265	}
1392		2266
1393	sub pre_load { }	2267	sub pre_load { }
1394	sub post_load { }	2268	#sub post_load { } # XS
1395		2269
1396	sub load {	2270	sub load {
1397	my ($self) = @_;	2271	my ($self) = @_;
1398		2272
1399	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1400		2274
1401	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1403		2279
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1405		2282
1406	$self->in_memory (cf::MAP_LOADING);
1407
1408	$self->alloc;	2283	$self->alloc;
1409		2284
1410	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1411		2287
1412	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1413	or return;	2292	or return;
1414		2293
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1416	if delete $self->{load_original};	2295	if delete $self->{load_original};
1417		2296
1418	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2298	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2301	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1423	}	2306	}
1424	}
1425		2307
1426	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1427		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1428	# now do the right thing for maps	2317	# now do the right thing for maps
1429	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2320	unless $self->difficulty;
1439	Coro::cede;	2321	cf::cede_to_tick;
1440	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1441	}	2333	}
1442		2334
1443	$self->post_load;	2335	$self->post_load;
1444		2336
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1446	}	2338	}
1447		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2343	sub customise_for {
1449	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1450		2345
1451	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2347	if $self->per_player;
1453		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1454	$self	2352	$self
1455	}
1456
1457	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {
1459	my ($map) = @_;
1460
1461	my @diag; # diagonal neighbours
1462
1463	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)
1465	or next;
1466	$neigh = find $neigh, $map
1467	or next;
1468	$neigh->load;
1469
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}
1473
1474	for (@diag) {
1475	my $neigh = find @$_
1476	or next;
1477	$neigh->load;
1478	}
1479	}	2353	}
1480		2354
1481	sub find_sync {	2355	sub find_sync {
1482	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1483		2357
1484	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1485	}	2363	}
1486		2364
1487	sub do_load_sync {	2365	sub do_load_sync {
1488	my ($map) = @_;	2366	my ($map) = @_;
1489		2367
1490	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1491	}	2373	}
1492		2374
1493	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1495		2377
1496	sub find_async {	2378	sub find_async {
1497	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1498		2380
1499	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1500		2382
1501	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1503	}	2385	}
1504		2386
1505	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1506	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1507	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2394	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2395	$map->load if $v;
		2396	}
1512		2397
1513	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1514	}	2399	}
1515	}	2400	}
1516	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1517	};	2402	};
1518	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1519		2404
1520	()	2405	()
1521	}	2406	}
1522		2407
		2408	# common code, used by both ->save and ->swapout
1523	sub save {	2409	sub _save {
1524	my ($self) = @_;	2410	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2411
1528	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1529		2413
1530	return unless $self->dirty;	2414	return unless $self->dirty;
1531		2415
…		…
1537	return if $self->{deny_save};	2421	return if $self->{deny_save};
1538		2422
1539	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1540		2424
1541	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1543	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1544		2431
1545	if ($uniq) {	2432	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2435	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2437	}
1551	}	2438	}
1552		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1553	sub swap_out {	2448	sub swap_out {
1554	my ($self) = @_;	2449	my ($self) = @_;
1555		2450
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1561	return if $self->players;	2455	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1565	$self->clear;	2466	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2467	}
1568		2468
1569	sub reset_at {	2469	sub reset_at {
1570	my ($self) = @_;	2470	my ($self) = @_;
1571		2471
1572	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1575		2474
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2477
…		…
1589	my ($self) = @_;	2488	my ($self) = @_;
1590		2489
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2491
1593	return if $self->players;	2492	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2493
1596	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1597		2495
1598	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1599		2497
1600	# need to save uniques path	2498	# need to save uniques path
1601	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1602	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1603		2501
…		…
1605	if $uniq;	2503	if $uniq;
1606	}	2504	}
1607		2505
1608	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1609		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2510	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2511
1614	$self->unlink_save;	2512	$self->unlink_save;
1615	$self->destroy;	2513	$self->destroy;
1616	}	2514	}
1617		2515
1618	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1619		2517
1620	sub nuke {	2518	sub nuke {
1621	my ($self) = @_;	2519	my ($self) = @_;
1622		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1623	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1624		2525
1625	$self->unlink_save;	2526	$self->unlink_save;
1626		2527
1627	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2533
1633	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1634		2536
1635	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1636	}	2574	}
1637		2575
1638	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1639		2577
1640	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2579	instantiated unique items. May block.
1642		2580
1643	=cut	2581	=cut
1644		2582
1645	sub unique_maps() {	2583	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1647	or return;	2585	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2586	utf8::decode $_;
1653	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2589	? ()
1656	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2592	]
1658
1659	\@paths
1660	}	2593	}
1661		2594
1662	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1663		2626
1664	=back	2627	=back
1665		2628
1666	=head3 cf::object	2629	=head3 cf::object
1667		2630
…		…
1671		2634
1672	=over 4	2635	=over 4
1673		2636
1674	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1675		2638
1676	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1677		2641
1678	=cut	2642	=cut
1679		2643
1680	sub inv_recursive_;	2644	sub inv_recursive_;
1681	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1684		2648
1685	sub inv_recursive {	2649	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1687	}	2651	}
1688		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1689	package cf;	2681	package cf;
1690		2682
1691	=back	2683	=back
1692		2684
1693	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1702		2694
1703	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1704		2710
1705	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2712	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1710		2716
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2718
1713	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1715	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1718	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1719	}	2744	}
1720		2745
1721	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1722		2747
1723	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1736		2761
1737	=item $player_object->enter_link	2762	=item $player_object->enter_link
1738		2763
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2765
1741	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1743		2770
1744	Will never block.	2771	Will never block.
1745		2772
1746	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1747		2774
…		…
1767	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2795	my ($self) = @_;
1769		2796
1770	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1771		2798
		2799	++$self->{_link_recursion};
		2800
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2802
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1776		2805
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2807	}
1779		2808
1780	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1782		2813
1783	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1784		2815
1785	unless ($map) {	2816	unless ($map) {
1786	# restore original map position	2817	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1799		2830
1800	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1803		2834
1804	$map->load;	2835	$map->load;
1805	$map->load_diag;
1806		2836
1807	return unless $self->contr->active;	2837	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2838
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1812	}	2841	# entering was successful
1813		2842	delete $self->{_link_recursion};
1814	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2844	$self->activate_recursive;
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},	2845	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2846
1828	# try to abort aborted map switching on player login :)	2847	}
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2848
1846	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1848	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1849		2863
1850	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2875
1853	$self->enter_link;	2876	$self->enter_link;
1854		2877
1855	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1856	my $map = eval {	2900	my $map = eval {
1857	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1859	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2916	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1864	})->prio (1);	2924	})->prio (1);
1865	}	2925	}
1866		2926
1867	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1868		2928
…		…
1888	}	2948	}
1889		2949
1890	sub prepare_random_map {	2950	sub prepare_random_map {
1891	my ($exit) = @_;	2951	my ($exit) = @_;
1892		2952
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2955	# that depends on the exit object
1898		2956
1899	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2959	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1906	}	2966	}
1907		2967
1908	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1909		2969
1910	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1913		2973
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2976	undef $fh;
1917	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1918		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1921	}	2985	}
1922	}	2986	}
1923		2987
1924	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1926		2990
1927	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1928		2992
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2993	$self->enter_link;
1939		2994
1940	(async {	2995	(async {
1941	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1942	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
1943	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1944		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
1945	1;	3034	1
1946	}) {	3035	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1951		3040
1952	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	3042	$self->leave_link;
1954	}	3043	}
1955	})->prio (1);	3044	})->prio (1);
1956	}	3045	}
1957		3046
…		…
1968		3057
1969	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
1971		3060
1972	utf8::encode $text;	3061	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	3063	}
1975		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
		3252	=item $client->ext_msg ($type, @msg)
		3253
		3254	Sends an ext event to the client.
		3255
		3256	=cut
		3257
		3258	sub cf::client::ext_msg($$@) {
		3259	my ($self, $type, @msg) = @_;
		3260
		3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3262	}
1976		3263
1977	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
1978		3265
1979	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3269
1983	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3271	become reliable at some point in the future.
1985		3272
1986	=cut	3273	=cut
1987		3274
1988	sub cf::client::query {	3275	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3284	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3286
2000	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2002	}	3291	}
2003		3292
2004	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2005	on_reply => sub {	3299	on_reply => sub {
2006	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2007		3301
2008	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2009	# get handled first	3303	# get handled first
…		…
2021	} else {	3315	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3317	}
2024	}	3318	}
2025	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2026	);	3353	);
2027		3354
2028	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2029		3356
2030	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3373
2047	$coro	3374	$coro
2048	}	3375	}
2049		3376
2050	cf::client->attach (	3377	cf::client->attach (
2051	on_destroy => sub {	3378	on_client_destroy => sub {
2052	my ($ns) = @_;	3379	my ($ns) = @_;
2053		3380
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3382	},
2056	);	3383	);
…		…
2071	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2073		3400
2074	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2075		3402
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2077		3408
2078	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2079		3410
2080	=pod	3411	=pod
2081		3412
2082	The following fucntions and emthods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2083		3414
2084	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2085	cf::object::player player	3420	cf::object::player
2086	cf::player peaceful	3421	player
2087	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2088		3428
2089	=cut	3429	=cut
2090		3430
2091	for (	3431	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2096	) {	3438	) {
2097	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2100	for @funs;	3441	for @funs;
2101	}	3442	}
2102		3443
…		…
2117		3458
2118	my $qcode = $code;	3459	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2121		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2122	local $_;	3466	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3467
2125	my $eval =	3468	my $eval =
2126	"do {\n"	3469	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3472	. $code
2130	. "\n}"	3473	. "\n}"
2131	;	3474	;
2132		3475
		3476	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2136		3485
2137	if ($@) {	3486	if ($@) {
2138	warn "$@";	3487	warn "$@",
2139	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2141	}	3490	}
2142		3491
2143	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2144	}	3493	}
2145		3494
…		…
2159	=cut	3508	=cut
2160		3509
2161	sub register_script_function {	3510	sub register_script_function {
2162	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2163		3512
2164	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2166	}	3515	}
2167		3516
2168	=back	3517	=back
2169		3518
2170	=cut	3519	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
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 => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3520
2244	#############################################################################	3521	#############################################################################
2245	# the server's init and main functions	3522	# the server's init and main functions
2246		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
		3601	sub load_facedata($) {
		3602	my ($path) = @_;
		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
		3606	trace "loading facedata from $path\n";
		3607
		3608	my $facedata = decode_storable load_file "$path/faceinfo";
		3609
		3610	$facedata->{version} == 2
		3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3612
		3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
		3621
		3622	{
		3623	my $faces = $facedata->{faceinfo};
		3624
		3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
		3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3628
		3629	cf::face::set_visibility $idx, $info->{visibility};
		3630	cf::face::set_magicmap $idx, $info->{magicmap};
		3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3633	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph}; # glyphs no longer downloadable via ix
		3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
		3636	}
		3637
		3638	while (my ($face, $info) = each %$faces) {
		3639	next unless $info->{smooth};
		3640
		3641	my $idx = cf::face::find $face
		3642	or next;
		3643
		3644	if (my $smooth = cf::face::find $info->{smooth}) {
		3645	cf::face::set_smooth $idx, $smooth;
		3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3647	} else {
		3648	error "smooth face '$info->{smooth}' not found for face '$face'";
		3649	}
		3650	}
		3651	}
		3652
		3653	{
		3654	my $anims = $facedata->{animinfo};
		3655
		3656	while (my ($anim, $info) = each %$anims) {
		3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3658	}
		3659
		3660	cf::anim::invalidate_all; # d'oh
		3661	}
		3662
		3663	{
		3664	my $res = $facedata->{resource};
		3665
		3666	while (my ($name, $info) = each %$res) {
		3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
		3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3670
		3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
		3677	} else {
		3678	# $RESOURCE{$name} = $info; # unused
		3679	}
		3680	}
		3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
		3697	1
		3698	}
		3699
		3700	register_exticmd fx_want => sub {
		3701	my ($ns, $want) = @_;
		3702
		3703	while (my ($k, $v) = each %$want) {
		3704	$ns->fx_want ($k, $v);
		3705	}
		3706	};
		3707
2247	sub load_resources {	3708	sub load_resource_file($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
		3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
		3737	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3738	or die "unable to load regions file\n";
2250	}
2251		3739
2252	sub cfg_load {	3740	for (cf::region::list) {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3741	$_->{match} = qr/$_->{match}/
2254	or return;	3742	if exists $_->{match};
		3743	}
		3744	}
2255		3745
2256	local $/;	3746	sub reload_facedata {
2257	*CFG = YAML::Syck::Load <$fh>;	3747	load_facedata $DATADIR
		3748	or die "unable to load facedata\n";
		3749	}
2258		3750
		3751	sub reload_archetypes {
		3752	load_resource_file "$DATADIR/archetypes"
		3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
		3766	}
		3767
		3768	sub reload_treasures {
		3769	load_resource_file "$DATADIR/treasures"
		3770	or die "unable to load treasurelists\n";
		3771	}
		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
		3793	sub reload_resources {
		3794	trace "reloading resource files...\n";
		3795
		3796	reload_materials;
		3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
		3800	reload_archetypes;
		3801	reload_regions;
		3802	reload_treasures;
		3803
		3804	trace "finished reloading resource files\n";
		3805	}
		3806
		3807	sub reload_config {
		3808	trace "reloading config file...\n";
		3809
		3810	my $config = load_file "$CONFDIR/config";
		3811	utf8::decode $config;
		3812	*CFG = decode_yaml $config;
		3813
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3815
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3818
2264	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2268	};	3823	};
2269	warn $@ if $@;	3824	warn $@ if $@;
2270	}	3825	}
2271	}	3826	}
2272		3827
2273	sub init {	3828	sub pidfile() {
2274	load_resources;	3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3854	}
2276		3855
2277	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2278	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3869	(async {
2282	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2284	};	3873	};
2285		3874
2286	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
		3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
2287	db_init;	3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
2288	load_extensions;	3899	load_extensions;
2289		3900
2290	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
2292	}	3918	}
2293		3919
2294	#############################################################################	3920	#############################################################################
2295	# initialisation and cleanup	3921	# initialisation and cleanup
2296		3922
2297	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
2298	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
2307	},
2308	);	3929	};
		3930	}
		3931	}
		3932
		3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
		3936	# first touch the runtime file to show we are still running:
		3937	# the fsync below can take a very very long time.
		3938
		3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3940
		3941	my $guard = cf::lock_acquire "write_runtime";
		3942
		3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3944	or return;
		3945
		3946	my $value = $cf::RUNTIME + 90 + 10;
		3947	# 10 is the runtime save interval, for a monotonic clock
		3948	# 60 allows for the watchdog to kill the server.
		3949
		3950	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3951	and return;
		3952
		3953	# always fsync - this file is important
		3954	aio_fsync $fh
		3955	and return;
		3956
		3957	# touch it again to show we are up-to-date
		3958	aio_utime $fh, undef, undef;
		3959
		3960	close $fh
		3961	or return;
		3962
		3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3964	and return;
		3965
		3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3967
2309	}	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
2310	}	4019	}
2311		4020
2312	sub emergency_save() {	4021	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
2314		4023
2315	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
2316		4030
2317	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
2318	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	4042	$pl->save;
2326	}	4043	}
2327	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
2328		4045
2329	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	4051	$map->valid or next;
2333	$map->save;	4052	$map->save;
2334	}	4053	}
2335	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
2336		4055
2337	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
2340	};	4084	};
2341		4085
2342	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
2343	}	4087	}
2344		4088
2345	sub post_cleanup {	4089	sub post_cleanup {
2346	my ($make_core) = @_;	4090	my ($make_core) = @_;
2347		4091
		4092	IO::AIO::flush;
		4093
2348	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	4095	if $make_core;
2350	}
2351		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
		4124	}
		4125
2352	sub reload() {	4126	sub do_reload_perl() {
2353	# can/must only be called in main	4127	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
2355	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
2356	return;	4130	return;
2357	}	4131	}
2358		4132
2359	warn "reloading...";	4133	return if $RELOAD++;
2360		4134
2361	warn "entering sync_job";	4135	my $t1 = AE::time;
2362		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
2363	cf::sync_job {	4143	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	4144	#cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		4145
2368	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;
2370
2371	# if anything goes wrong in here, we should simply crash as we already saved
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";
2385	}
2386
2387	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	4148	%EXT_CORO = ();
2390		4149
2391	warn "removing commands";	4150	trace "perl_reload: removing commands";
2392	%COMMAND = ();	4151	%COMMAND = ();
2393		4152
2394	warn "removing ext commands";	4153	trace "perl_reload: removing ext/exti commands";
2395	%EXTCMD = ();	4154	%EXTCMD = ();
		4155	%EXTICMD = ();
2396		4156
2397	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
2400		4160
2401	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
2402	eval {	4162	eval {
2403	$cb->($pkg);	4163	$cb->($pkg);
2404	1	4164	1
2405	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
2406	}	4170	}
2407		4171
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		4175
2416	warn "... unloading $k";	4176	trace "... unloading $k";
2417	delete $INC{$k};	4177	delete $INC{$k};
2418		4178
2419	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
2421		4181
2422	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
2424	}	4187	}
2425		4188
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		4192
2433	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
		4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		4196
2436	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
2437	# and global variables created in xs	4198	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
2439		4200
2440	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
2441		4202
2442	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
2443	require cf;	4204	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
2445		4206
2446	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
2447	cf::cfg_load;	4208	cf::reload_config;
2448		4209
2449	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
2450	cf::load_extensions;	4211	cf::load_extensions;
2451		4212
		4213	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
2453	_global_reattach;	4215	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
2455	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
		4218	trace "perl_reload: reattaching attachments to players";
		4219	reattach $_ for values %PLAYER;
		4220	}
2456		4221
2457	warn "loading reloadable resources";	4222	cf::_post_init 1;
2458	load_resources;
2459		4223
2460	warn "leaving sync_job";	4224	trace "perl_reload: leaving sync_job";
2461		4225
2462	1	4226	1
2463	} or do {	4227	} or do {
2464	warn $@;	4228	error $@;
2465	warn "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
2466	exit 1;	4230	};
		4231
		4232	--$RELOAD;
		4233	}
		4234
		4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
		4237	};
		4238
		4239	our $RELOAD_WATCHER; # used only during reload
		4240
		4241	sub reload_perl() {
		4242	# doing reload synchronously and two reloads happen back-to-back,
		4243	# coro crashes during coro_state_free->destroy here.
		4244
		4245	$RELOAD_WATCHER ||= cf::async {
		4246	Coro::AIO::aio_wait cache_extensions;
		4247
		4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4249	do_reload_perl;
		4250	undef $RELOAD_WATCHER;
		4251	};
2467	};	4252	};
2468		4253	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4254
2474	register_command "reload" => sub {	4255	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
2476		4257
2477	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
2479		4260	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4261	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4262	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4263	};
2492	}	4264	}
2493	};	4265	};
2494		4266
2495	unshift @INC, $LIBDIR;	4267	#############################################################################
2496		4268
2497	my $bug_warning = 0;	4269	my $bug_warning = 0;
2498		4270
2499	$TICK_WATCHER = Event->timer (	4271	sub wait_for_tick() {
2500	reentrant => 0,	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2501	parked => 1,	4273
2502	prio => 0,	4274	$WAIT_FOR_TICK->wait;
2503	at => $NEXT_TICK || $TICK,	4275	}
2504	data => WF_AUTOCANCEL,	4276
2505	cb => sub {	4277	sub wait_for_tick_begin() {
		4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4279
		4280	my $signal = new Coro::Signal;
		4281	push @WAIT_FOR_TICK_BEGIN, $signal;
		4282	$signal->wait;
		4283	}
		4284
		4285	sub tick {
2506	if ($Coro::current != $Coro::main) {	4286	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
2509	return;	4289	return;
2510	}	4290	}
2511		4291
2512	$NOW = Event::time;	4292	cf::one_tick; # one server iteration
2513		4293
2514	cf::server_tick; # one server iteration	4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4295
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4298	Coro::async_pool {
		4299	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4300	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4301	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4302	};
		4303	}
2525		4304
2526		4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4306	$sig->send;
		4307	}
2527	$WAIT_FOR_TICK->broadcast;	4308	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529		4309
2530	# my $AFTER = Event::time;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
2531	# warn $AFTER - $NOW;#d#	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2532		4312
2533	# if we are delayed by four ticks or more, skip them all	4313	if (0) {
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4314	if ($NEXT_TICK) {
2535		4315	my $jitter = $TICK_START - $NEXT_TICK;
2536	$TICK_WATCHER->at ($NEXT_TICK);	4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2537	$TICK_WATCHER->start;	4317	debug "jitter $JITTER\n";#d#
		4318	}
2538	},	4319	}
2539	);	4320	}
2540		4321
2541	{	4322	{
2542	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
2544	reentrant => 0,	4325
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
2552		4327	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	4328	#$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		4329
2568	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		4337
2571	cf::sync_job {	4338	cf::sync_job {
2572	eval {	4339	eval {
2573	BDB::db_env_open	4340	BDB::db_env_open
2574	$DB_ENV,	4341	$DB_ENV,
2575	$BDB_ENV_DIR,	4342	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	4345	0666;
2579		4346
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4347	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	4348	};
2585		4349
2586	cf::cleanup "db_env_open(db): $@" if $@;	4350	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	4351	};
2588	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
2589	}	4365	}
2590		4366
2591	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
2592	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,	4374	info "aio initialised";
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	4375	}
		4376
		4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
		4379
		4380	sub _log_backtrace {
		4381	my ($msg, @addr) = @_;
		4382
		4383	$msg =~ s/\n$//;
		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4388	# limit the # of concurrent backtraces
		4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
		4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
		4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
		4396	my @bt = fork_call {
		4397	@addr = map { sprintf "%x", $_ } @addr;
		4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4400	or die "addr2line: $!";
		4401
		4402	my @funcs;
		4403	my @res = <$fh>;
		4404	chomp for @res;
		4405	while (@res) {
		4406	my ($func, $line) = splice @res, 0, 2, ();
		4407	push @funcs, "[$func] $line";
		4408	}
		4409
		4410	@funcs
		4411	};
		4412
		4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4415	LOG llevInfo, "[ABT] $_\n" for @bt;
		4416	--$_log_backtrace;
		4417	};
		4418	} else {
		4419	LOG llevInfo, "[ABT] $msg\n";
		4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4421	}
		4422	}
		4423
		4424	# load additional modules
		4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
2605		4427
2606	END { cf::emergency_save }	4428	END { cf::emergency_save }
2607		4429
2608	1	4430	1
2609		4431

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