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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
278	};	623	}
279	$TICK_WATCHER->stop;	624	};
280	$guard	625
		626	sub get_slot($;$$) {
		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 $fh	744	my @res = Coro::Util::fork_eval {
376	or return;	745	cf::post_fork;
		746	&$cb
		747	} @args;
377		748
378	aio_rename "$runtime~", $runtime	749	wantarray ? @res : $res[-1]
379	and return;	750	}
380		751
		752	sub objinfo {
381	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
		916	}
		917
		918	=item cf::datalog type => key => value, ...
		919
		920	Log a datalog packet of the given type with the given key-value pairs.
		921
		922	=cut
		923
		924	sub datalog($@) {
		925	my ($type, %kv) = @_;
		926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	927	}
383		928
384	=back	929	=back
385		930
386	=cut	931	=cut
387		932
388	#############################################################################	933	#############################################################################
389		934
390	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
391		936
392	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
395		940
396	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	943	Deliantra).
399		944
400	=over 4	945	=over 4
401		946
402	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
403		948
…		…
447	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
448		993
449	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
451		996
452	Some classes such as crossfire maps and objects can specify attachments	997	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.	998	that are attached at load/instantiate time, thus the need for a name.
454		999
455	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
456		1001
457	=over 4	1002	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
567		1112
568	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1117
573	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
575		1120
576	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
581		1126
582	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1129
585	} elsif (ref $type) {	1130	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
587		1132
588	} else {	1133	} else {
589	shift @arg;	1134	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
591	}	1136	}
592	}	1137	}
593	}	1138	}
594		1139
595	sub _object_attach {	1140	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
606	}	1151	}
607		1152
608	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
609	} else {	1154	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1156	}
612		1157
613	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
614	}	1159	}
615		1160
…		…
617	if (ref $_[0]) {	1162	if (ref $_[0]) {
618	_object_attach @_;	1163	_object_attach @_;
619	} else {	1164	} else {
620	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
621	}	1166	}
		1167	_recalc_want;
622	};	1168	};
623		1169
624	# all those should be optimised	1170	# all those should be optimised
625	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1176	reattach ($obj);
631	} else {	1177	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
633	}	1179	}
		1180	_recalc_want;
634	};	1181	};
635		1182
636	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
638		1185
…		…
653	";	1200	";
654	die if $@;	1201	die if $@;
655	}	1202	}
656		1203
657	our $override;	1204	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1206
660	sub override {	1207	sub override {
661	$override = 1;	1208	$override = 1;
662	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
663	}	1210	}
664		1211
665	sub do_invoke {	1212	sub do_invoke {
666	my $event = shift;	1213	my $event = shift;
667	my $callbacks = shift;	1214	my $callbacks = shift;
668		1215
669	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
670		1217
671	local $override;	1218	local $override;
672		1219
673	for (@$callbacks) {	1220	for (@$callbacks) {
674	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
675		1222
676	if ($@) {	1223	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1225	override;
680	}	1226	}
681		1227
682	return 1 if $override;	1228	return 1 if $override;
683	}	1229	}
684		1230
685	0	1231	0
686	}	1232	}
687		1233
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1235
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1237
692	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
693		1239
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1243
698	=back	1244	=back
699		1245
700	=cut	1246	=cut
701		1247
702	#############################################################################	1248	#############################################################################
703	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
704		1292
705	sub reattach {	1293	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1295	my ($obj) = @_;
708		1296
		1297	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1299
711	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
712		1301
713	@$registry = ();	1302	@$registry = ();
714		1303
…		…
719	for (@$attach) {	1308	for (@$attach) {
720	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
722	}	1311	}
723	} else {	1312	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1314	}
726	}	1315	}
727	}	1316	}
728		1317
729	cf::attachable->attach (	1318	cf::attachable->attach (
730	prio => -1000000,	1319	prio => -1000000,
731	on_instantiate => sub {	1320	on_instantiate => sub {
732	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
733		1322
734	$data = from_json $data;	1323	$data = decode_json $data;
735		1324
736	for (@$data) {	1325	for (@$data) {
737	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
738		1327
739	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1344	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
757		1346
758	sync_job {	1347	sync_job {
759	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
762		1353
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
767	close $fh;	1361	aio_close $fh;
768		1362
769	if (@$objs) {	1363	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
775	close $fh;	1372	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
777	}	1374	}
778	} else {	1375	} else {
779	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
780	}	1377	}
781		1378
782	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1383	} else {
784	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
785	}	1385	}
786	} else {	1386	} else {
787	aio_unlink $filename;	1387	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
789	}	1389	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1390	};
797	}	1391	}
798		1392
799	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
801		1395
…		…
806		1400
807	sub object_thawer_load {	1401	sub object_thawer_load {
808	my ($filename) = @_;	1402	my ($filename) = @_;
809		1403
810	my ($data, $av);	1404	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1405
815	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
816	or return;	1407	or return;
817		1408
818	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
820	or return;	1411	or return;
		1412
821	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
822	}	1415	}
823		1416
		1417	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
826	return ($data, $av);	1422	($data, $av)
827	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
828		1430
829	#############################################################################	1431	#############################################################################
830	# command handling &c	1432	# command handling &c
831		1433
832	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
833		1435
834	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
835	$name.	1437	$name.
836		1438
837	=cut	1439	=cut
…		…
843	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
844		1446
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1448	}
847		1449
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
849		1451
850	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
851		1457
852	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
853	called.
854		1459
855	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
856		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
857	sub register_extcmd {	1482	sub register_extcmd($$) {
858	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
859		1484
860	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
861	}	1486	}
862		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
863	cf::player->attach (	1508	cf::player->attach (
864	on_command => sub {	1509	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
866		1511
867	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
868	or return;	1513	or return;
869		1514
…		…
874	cf::override;	1519	cf::override;
875	},	1520	},
876	on_extcmd => sub {	1521	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
878		1523
879	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1525
881	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
884	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
885	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
886	}	1547	}
		1548
887	} else {	1549	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1551	}
890		1552
891	cf::override;	1553	cf::override;
892	},	1554	},
893	);	1555	);
894		1556
		1557	# "readahead" all extensions
895	sub load_extension {	1558	sub cache_extensions {
896	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
897		1560
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1564	}
923	die $@;
924	}	1565	};
925		1566
926	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
927	}	1579	}
928		1580
929	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
930	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1590	next unless -r $path;
932	eval {	1591
933	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
934	1	1664	}
935	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
936	}	1677	};
937	}	1678	}
938		1679
939	#############################################################################	1680	#############################################################################
940		1681
		1682	=back
		1683
941	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
942		1685
943	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
944		1687
945	=cut	1688	=cut
946		1689
947	package cf::player;	1690	package cf::player;
948		1691
…		…
950		1693
951	=head3 cf::player	1694	=head3 cf::player
952		1695
953	=over 4	1696	=over 4
954		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
		1711
955	=item cf::player::find $login	1712	=item cf::player::find $login
956		1713
957	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
958		1715
959	=cut	1716	=cut
960		1717
961	sub playerdir($) {	1718	sub playerdir($) {
962	cf::localdir	1719	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1721	}
968		1722
969	sub path($) {	1723	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1725
972	(playerdir $login) . "/$login.pl"	1726	(playerdir $login) . "/playerdata"
973	}	1727	}
974		1728
975	sub find_active($) {	1729	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1730	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1731	and $cf::PLAYER{$_[0]}->active
…		…
980		1734
981	sub exists($) {	1735	sub exists($) {
982	my ($login) = @_;	1736	my ($login) = @_;
983		1737
984	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
986	}	1740	}
987		1741
988	sub find($) {	1742	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1744	my $login = $_[0];
991		1745
992	my $guard = cf::lock_acquire "user_find:$login";	1746	my $guard = cf::lock_acquire "user_find:$login";
993		1747
994	$cf::PLAYER{$_[0]} || do {	1748	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1749	# rename old playerfiles to new ones
		1750	#TODO: remove when no longer required
		1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1754	aio_unlink +(playerdir $login) . "/$login.pl";
		1755
		1756	my $f = new_from_file cf::object::thawer path $login
996	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
998	}	1765	}
999	}	1766	}
1000	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1001		1781
1002	sub save($) {	1782	sub save($) {
1003	my ($pl) = @_;	1783	my ($pl) = @_;
1004		1784
1005	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1011		1791
1012	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1014		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1015	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1016	Coro::cede;	1801	cf::cede_to_tick;
1017	}	1802	}
1018		1803
1019	sub new($) {	1804	sub new($) {
1020	my ($login) = @_;	1805	my ($login) = @_;
1021		1806
…		…
1027	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1028		1813
1029	$self	1814	$self
1030	}	1815	}
1031		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1032	=item $pl->quit_character	1827	=item $pl->quit_character
1033		1828
1034	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1036		1831
1037	=cut	1832	=cut
1038		1833
1039	sub quit_character {	1834	sub quit_character {
1040	my ($pl) = @_;	1835	my ($pl) = @_;
1041		1836
		1837	my $name = $pl->ob->name;
		1838
1042	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1841
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1048	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1049		1850
1050	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1854	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1855	$pl->destroy;
		1856
		1857	my $prefix = qr<^~\Q$name\E/>;
		1858
		1859	# nuke player maps
		1860	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1861
1055	IO::AIO::aio_rmtree $temp;	1862	IO::AIO::aio_rmtree $temp;
		1863	}
		1864
		1865	=item $pl->kick
		1866
		1867	Kicks a player out of the game. This destroys the connection.
		1868
		1869	=cut
		1870
		1871	sub kick {
		1872	my ($pl, $kicker) = @_;
		1873
		1874	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1875	$pl->killer ("kicked");
		1876	$pl->ns->destroy;
1056	}	1877	}
1057		1878
1058	=item cf::player::list_logins	1879	=item cf::player::list_logins
1059		1880
1060	Returns am arrayref of all valid playernames in the system, can take a	1881	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1062		1883
1063	=cut	1884	=cut
1064		1885
1065	sub list_logins {	1886	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1888	or return [];
1068		1889
1069	my @logins;	1890	my @logins;
1070		1891
1071	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1075		1902
1076	utf8::decode $login;	1903	utf8::decode $login;
1077	push @logins, $login;	1904	push @logins, $login;
1078	}	1905	}
1079		1906
1080	\@logins	1907	\@logins
1081	}	1908	}
1082		1909
1083	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1084		1913
1085	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1086	player. May block.	1915	player. May block.
1087		1916
1088	=cut	1917	=cut
…		…
1106	}	1935	}
1107		1936
1108	\@paths	1937	\@paths
1109	}	1938	}
1110		1939
		1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1941
		1942	Expand deliantra pod fragments into protocol xml.
		1943
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1944	=item $player->ext_msg ($type, @msg)
1112		1945
1113	Sends an ext reply to the player.	1946	Sends an ext event to the client.
1114		1947
1115	=cut	1948	=cut
1116		1949
1117	sub ext_reply($$$%) {	1950	sub ext_msg($$@) {
1118	my ($self, $id, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1119		1952
1120	$msg{msgid} = $id;	1953	$self->ns->ext_msg ($type, @msg);
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1954	}
1124		1955
1125	package cf;	1956	=head3 cf::region
		1957
		1958	=over 4
		1959
		1960	=cut
		1961
		1962	package cf::region;
		1963
		1964	=item cf::region::find_by_path $path
		1965
		1966	Tries to decuce the likely region for a map knowing only its path.
		1967
		1968	=cut
		1969
		1970	sub find_by_path($) {
		1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
		1975	my ($match, $specificity);
		1976
		1977	for my $region (list) {
		1978	if ($region->{match} && $path =~ $region->{match}) {
		1979	($match, $specificity) = ($region, $region->specificity)
		1980	if $region->specificity > $specificity;
		1981	}
		1982	}
		1983
		1984	$match
		1985	}
1126		1986
1127	=back	1987	=back
1128
1129		1988
1130	=head3 cf::map	1989	=head3 cf::map
1131		1990
1132	=over 4	1991	=over 4
1133		1992
…		…
1145	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1147		2006
1148	sub generate_random_map {	2007	sub generate_random_map {
1149	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1151	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	2013	}
1165		2014
1166	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1167		2016
1168	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1173		2022
1174	sub register {	2023	sub register {
1175	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	2025	my $pkg = caller;
1177		2026
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		2028
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	2030	}
1183		2031
1184	# also paths starting with '/'	2032	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		2034
1187	sub thawer_merge {	2035	sub thawer_merge {
1188	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1189		2037
1190	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1191	local $self->{path};	2039	local $self->{path};
1192	local $self->{load_path};	2040	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		2041
1196	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1197	}	2043	}
1198		2044
1199	sub normalise {	2045	sub normalise {
1200	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1201		2047
1202	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1203		2049
1204	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1205		2051
1206	# map plan:	2052	# map plan:
1207	#	2053	#
…		…
1222	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	2069	$path = "$base/$path";
1224	}	2070	}
1225		2071
1226	for ($path) {	2072	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1230	}	2075	}
1231		2076
1232	$path	2077	$path
…		…
1246	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1247	return $self;	2092	return $self;
1248	}	2093	}
1249	}	2094	}
1250		2095
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	2097	()
1253	}	2098	}
1254		2099
		2100	# may re-bless or do other evil things
1255	sub init {	2101	sub init {
1256	my ($self) = @_;	2102	my ($self) = @_;
1257		2103
1258	$self	2104	$self
1259	}	2105	}
…		…
1271		2117
1272	# the original (read-only) location	2118	# the original (read-only) location
1273	sub load_path {	2119	sub load_path {
1274	my ($self) = @_;	2120	my ($self) = @_;
1275		2121
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1277	}	2123	}
1278		2124
1279	# the temporary/swap location	2125	# the temporary/swap location
1280	sub save_path {	2126	sub save_path {
1281	my ($self) = @_;	2127	my ($self) = @_;
1282		2128
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1285	}	2131	}
1286		2132
1287	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1288	sub uniq_path {	2134	sub uniq_path {
1289	my ($self) = @_;	2135	my ($self) = @_;
1290		2136
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1293	}	2139	}
1294		2140
1295	# and all this just because we cannot iterate over	2141	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	2142	my ($self) = @_;
1299		2143
1300	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1302	}	2147	}
1303		2148
1304	sub unlink_save {	2149	sub unlink_save {
1305	my ($self) = @_;	2150	my ($self) = @_;
1306		2151
1307	utf8::encode (my $save = $self->save_path);	2152	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2153	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2154	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2155	}
1316		2156
1317	sub load_header_from($) {	2157	sub load_header_from($) {
1318	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1319		2159
1320	utf8::encode $path;	2160	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2162	or return;
1326		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1327	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1328		2171
1329	1	2172	1
1330	}	2173	}
1331		2174
		2175	# used to laod the header of an original map
1332	sub load_header_orig {	2176	sub load_header_orig {
1333	my ($self) = @_;	2177	my ($self) = @_;
1334		2178
1335	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1336	}	2180	}
1337		2181
		2182	# used to laod the header of an instantiated map
1338	sub load_header_temp {	2183	sub load_header_temp {
1339	my ($self) = @_;	2184	my ($self) = @_;
1340		2185
1341	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1342	}	2187	}
1343		2188
		2189	# called after loading the header from an instantiated map
1344	sub prepare_temp {	2190	sub prepare_temp {
1345	my ($self) = @_;	2191	my ($self) = @_;
1346		2192
1347	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1348	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1349	# safety	2195	# safety
1350	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1351	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1352	}	2198	}
1353		2199
		2200	# called after loading the header from an original map
1354	sub prepare_orig {	2201	sub prepare_orig {
1355	my ($self) = @_;	2202	my ($self) = @_;
1356		2203
1357	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1358	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1369	$self->load_header_orig	2216	$self->load_header_orig
1370	or return;	2217	or return;
1371	$self->prepare_orig;	2218	$self->prepare_orig;
1372	}	2219	}
1373		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
		2224	$self->default_region (cf::region::find_by_path $self->{path})
		2225	unless $self->default_region;
		2226
1374	1	2227	1
1375	}	2228	}
1376		2229
1377	sub find;	2230	sub find;
1378	sub find {	2231	sub find {
1379	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1380		2233
		2234	cf::cede_to_tick;
		2235
1381	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1382		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2240
1385	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1388	or return;	2243	or return;
1389		2244
1390	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1391		2246
1392	$map->load_header	2247	$map->load_header
1393	or return;	2248	or return;
1394		2249
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1398	$map->reset;	2255	$map->reset;
1399	undef $guard;
1400	return find $path;	2256	return find $path;
1401	}	2257	}
1402		2258
1403	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1404	}	2260	}
1405	}	2261	}
1406		2262
1407	sub pre_load { }	2263	sub pre_load { }
1408	sub post_load { }	2264	#sub post_load { } # XS
1409		2265
1410	sub load {	2266	sub load {
1411	my ($self) = @_;	2267	my ($self) = @_;
1412		2268
1413	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1414		2270
1415	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1417		2275
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1419		2278
1420	$self->in_memory (cf::MAP_LOADING);
1421
1422	$self->alloc;	2279	$self->alloc;
1423		2280
1424	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1425		2283
1426	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1427	or return;	2288	or return;
1428		2289
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1430	if delete $self->{load_original};	2291	if delete $self->{load_original};
1431		2292
1432	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2294	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2297	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1437	}	2302	}
1438	}
1439		2303
1440	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1441		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1442	# now do the right thing for maps	2313	# now do the right thing for maps
1443	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2316	unless $self->difficulty;
1453	Coro::cede;	2317	cf::cede_to_tick;
1454	$self->activate;	2318
		2319	unless ($self->{deny_activate}) {
		2320	$self->decay_objects;
		2321	$self->fix_auto_apply;
		2322	$self->update_buttons;
		2323	cf::cede_to_tick;
		2324	#$self->activate; # no longer activate maps automatically
		2325	}
		2326
		2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1455	}	2329	}
1456		2330
1457	$self->post_load;	2331	$self->post_load;
1458		2332
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1460	}	2334	}
1461		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2339	sub customise_for {
1463	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1464		2341
1465	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2343	if $self->per_player;
1467		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1468	$self	2348	$self
1469	}
1470
1471	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {
1473	my ($map) = @_;
1474
1475	my @diag; # diagonal neighbours
1476
1477	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)
1479	or next;
1480	$neigh = find $neigh, $map
1481	or next;
1482	$neigh->load;
1483
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}
1487
1488	for (@diag) {
1489	my $neigh = find @$_
1490	or next;
1491	$neigh->load;
1492	}
1493	}	2349	}
1494		2350
1495	sub find_sync {	2351	sub find_sync {
1496	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1497		2353
1498	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1499	}	2359	}
1500		2360
1501	sub do_load_sync {	2361	sub do_load_sync {
1502	my ($map) = @_;	2362	my ($map) = @_;
1503		2363
1504	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1505	}	2369	}
1506		2370
1507	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1509		2373
1510	sub find_async {	2374	sub find_async {
1511	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1512		2376
1513	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1514		2378
1515	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1517	}	2381	}
1518		2382
1519	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1520	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1521	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2390	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2391	$map->load if $v;
		2392	}
1526		2393
1527	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1528	}	2395	}
1529	}	2396	}
1530	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1531	};	2398	};
1532	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1533		2400
1534	()	2401	()
1535	}	2402	}
1536		2403
		2404	# common code, used by both ->save and ->swapout
1537	sub save {	2405	sub _save {
1538	my ($self) = @_;	2406	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2407
1542	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1543		2409
1544	return unless $self->dirty;	2410	return unless $self->dirty;
1545		2411
…		…
1551	return if $self->{deny_save};	2417	return if $self->{deny_save};
1552		2418
1553	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1554		2420
1555	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1557	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1558		2427
1559	if ($uniq) {	2428	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2431	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2433	}
1565	}	2434	}
1566		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1567	sub swap_out {	2444	sub swap_out {
1568	my ($self) = @_;	2445	my ($self) = @_;
1569		2446
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1575	return if $self->players;	2451	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1579	$self->clear;	2462	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2463	}
1582		2464
1583	sub reset_at {	2465	sub reset_at {
1584	my ($self) = @_;	2466	my ($self) = @_;
1585		2467
1586	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1589		2470
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2473
…		…
1603	my ($self) = @_;	2484	my ($self) = @_;
1604		2485
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2487
1607	return if $self->players;	2488	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2489
1610	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1611		2491
1612	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1613		2493
1614	# need to save uniques path	2494	# need to save uniques path
1615	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1616	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1617		2497
…		…
1619	if $uniq;	2499	if $uniq;
1620	}	2500	}
1621		2501
1622	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1623		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2506	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2507
1628	$self->unlink_save;	2508	$self->unlink_save;
1629	$self->destroy;	2509	$self->destroy;
1630	}	2510	}
1631		2511
1632	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1633		2513
1634	sub nuke {	2514	sub nuke {
1635	my ($self) = @_;	2515	my ($self) = @_;
1636		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1637	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1638		2521
1639	$self->unlink_save;	2522	$self->unlink_save;
1640		2523
1641	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2529
1647	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1648		2532
1649	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1650	}	2570	}
1651		2571
1652	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1653		2573
1654	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2575	instantiated unique items. May block.
1656		2576
1657	=cut	2577	=cut
1658		2578
1659	sub unique_maps() {	2579	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1661	or return;	2581	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2582	utf8::decode $_;
1667	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2585	? ()
1670	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2588	]
1672
1673	\@paths
1674	}	2589	}
1675		2590
1676	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1677		2622
1678	=back	2623	=back
1679		2624
1680	=head3 cf::object	2625	=head3 cf::object
1681		2626
…		…
1685		2630
1686	=over 4	2631	=over 4
1687		2632
1688	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1689		2634
1690	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1691		2637
1692	=cut	2638	=cut
1693		2639
1694	sub inv_recursive_;	2640	sub inv_recursive_;
1695	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1698		2644
1699	sub inv_recursive {	2645	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1701	}	2647	}
1702		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1703	package cf;	2677	package cf;
1704		2678
1705	=back	2679	=back
1706		2680
1707	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1716		2690
1717	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1718		2706
1719	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2708	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1724		2712
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2714
1727	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1729	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1732	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1733	}	2740	}
1734		2741
1735	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1736		2743
1737	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1750		2757
1751	=item $player_object->enter_link	2758	=item $player_object->enter_link
1752		2759
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2761
1755	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1757		2766
1758	Will never block.	2767	Will never block.
1759		2768
1760	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1761		2770
…		…
1781	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2791	my ($self) = @_;
1783		2792
1784	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1785		2794
		2795	++$self->{_link_recursion};
		2796
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2798
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1790		2801
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2803	}
1793		2804
1794	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1796		2809
1797	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1798		2811
1799	unless ($map) {	2812	unless ($map) {
1800	# restore original map position	2813	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1813		2826
1814	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1817		2830
1818	$map->load;	2831	$map->load;
1819	$map->load_diag;
1820		2832
1821	return unless $self->contr->active;	2833	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2834
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1826	}	2837	# entering was successful
1827		2838	delete $self->{_link_recursion};
1828	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2840	$self->activate_recursive;
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2841	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2842
1842	# try to abort aborted map switching on player login :)	2843	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2844
1860	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2846
		2847	Moves the player to the given map-path and coordinates by first freezing
		2848	her, loading and preparing them map, calling the provided $check callback
		2849	that has to return the map if sucecssful, and then unfreezes the player on
		2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
1862	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1863		2859
1864	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
		2869	# do generation counting so two concurrent goto's will be executed in-order
		2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2871
1867	$self->enter_link;	2872	$self->enter_link;
1868		2873
1869	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1870	my $map = eval {	2896	my $map = eval {
1871	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2900	$map = $map->customise_for ($self);
		2901	$map = $check->($map, $x, $y, $self) if $check && $map;
		2902	} else {
		2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2904	}
		2905
1873	$map	2906	$map
		2907	};
		2908
		2909	if ($@) {
		2910	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2911	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2912	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1878	})->prio (1);	2920	})->prio (1);
1879	}	2921	}
1880		2922
1881	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1882		2924
…		…
1902	}	2944	}
1903		2945
1904	sub prepare_random_map {	2946	sub prepare_random_map {
1905	my ($exit) = @_;	2947	my ($exit) = @_;
1906		2948
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2951	# that depends on the exit object
1912		2952
1913	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2955	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1920	}	2962	}
1921		2963
1922	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1923		2965
1924	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1927		2969
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2972	undef $fh;
1931	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1932		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1935	}	2981	}
1936	}	2982	}
1937		2983
1938	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1940		2986
1941	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1942		2988
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2989	$self->enter_link;
1953		2990
1954	(async {	2991	(async {
1955	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1956	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
1957	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1958		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
1959	1;	3030	1
1960	}) {	3031	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1965		3036
1966	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	3038	$self->leave_link;
1968	}	3039	}
1969	})->prio (1);	3040	})->prio (1);
1970	}	3041	}
1971		3042
1972	=head3 cf::client	3043	=head3 cf::client
1973		3044
1974	=over 4	3045	=over 4
1975		3046
1976	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
1977		3048
1978	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
1979	should not be used under normal circumstances.	3050	them as required.
1980		3051
1981	=cut	3052	=cut
1982		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
		3056	sub cf::client::send_big_packet {
		3057	my ($self, $pkt) = @_;
		3058
		3059	# try lzf for large packets
		3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
		3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3073
		3074	Send a msg packet to the client, formatting the msg for the client if
		3075	necessary. C<$type> should be a string identifying the type of the
		3076	message, with C<log> being the default. If C<$color> is negative, suppress
		3077	the message unless the client supports the msg packet.
		3078
		3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
1983	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
		3202	my ($self, $channel, $msg, $color, @extra) = @_;
		3203
		3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
		3240	=item $client->ext_msg ($type, @msg)
		3241
		3242	Sends an ext event to the client.
		3243
		3244	=cut
		3245
		3246	sub cf::client::ext_msg($$@) {
1984	my ($self, $text, $flags) = @_;	3247	my ($self, $type, @msg) = @_;
1985		3248
1986	utf8::encode $text;	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
1988	}	3250	}
1989
1990		3251
1991	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
1992		3253
1993	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3255	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3256	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3257
1997	Queries can fail, so check the return code. Or don't, as queries will become	3258	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3259	become reliable at some point in the future.
1999		3260
2000	=cut	3261	=cut
2001		3262
2002	sub cf::client::query {	3263	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3272	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3274
2014	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2016	}	3317	}
2017		3318
2018	cf::client->attach (	3319	cf::client->attach (
		3320	on_connect => sub {
		3321	my ($ns) = @_;
		3322
		3323	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3324	},
2019	on_reply => sub {	3325	on_reply => sub {
2020	my ($ns, $msg) = @_;	3326	my ($ns, $msg) = @_;
2021		3327
2022	# this weird shuffling is so that direct followup queries	3328	# this weird shuffling is so that direct followup queries
2023	# get handled first	3329	# get handled first
…		…
2035	} else {	3341	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3342	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3343	}
2038	}	3344	}
2039	},	3345	},
		3346	on_exticmd => sub {
		3347	my ($ns, $buf) = @_;
		3348
		3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3350
		3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
		3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
		3372	}
		3373	} else {
		3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3375	}
		3376
		3377	cf::override;
		3378	},
2040	);	3379	);
2041		3380
2042	=item $client->async (\&cb)	3381	=item $client->async (\&cb)
2043		3382
2044	Create a new coroutine, running the specified callback. The coroutine will	3383	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3399
2061	$coro	3400	$coro
2062	}	3401	}
2063		3402
2064	cf::client->attach (	3403	cf::client->attach (
2065	on_destroy => sub {	3404	on_client_destroy => sub {
2066	my ($ns) = @_;	3405	my ($ns) = @_;
2067		3406
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3408	},
2070	);	3409	);
…		…
2085	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2087		3426
2088	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2089		3428
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2091		3434
2092	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2093		3436
2094	=pod	3437	=pod
2095		3438
2096	The following fucntions and emthods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2097		3440
2098	cf::object contr pay_amount pay_player map	3441	cf::object
		3442	contr pay_amount pay_player map x y force_find force_add destroy
		3443	insert remove name archname title slaying race decrease split
		3444	value
		3445
2099	cf::object::player player	3446	cf::object::player
2100	cf::player peaceful	3447	player
2101	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2102		3454
2103	=cut	3455	=cut
2104		3456
2105	for (	3457	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2110	) {	3464	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3467	for @funs;
2115	}	3468	}
2116		3469
…		…
2131		3484
2132	my $qcode = $code;	3485	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2135		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2136	local $_;	3492	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3493
2139	my $eval =	3494	my $eval =
2140	"do {\n"	3495	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3498	. $code
2144	. "\n}"	3499	. "\n}"
2145	;	3500	;
2146		3501
		3502	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2150		3511
2151	if ($@) {	3512	if ($@) {
2152	warn "$@";	3513	warn "$@",
2153	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2155	}	3516	}
2156		3517
2157	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2158	}	3519	}
2159		3520
…		…
2173	=cut	3534	=cut
2174		3535
2175	sub register_script_function {	3536	sub register_script_function {
2176	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2177		3538
2178	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2180	}	3541	}
2181		3542
2182	=back	3543	=back
2183		3544
2184	=cut	3545	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3546
2258	#############################################################################	3547	#############################################################################
2259	# the server's init and main functions	3548	# the server's init and main functions
2260		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
		3627	sub load_facedata($) {
		3628	my ($path) = @_;
		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
		3632	trace "loading facedata from $path\n";
		3633
		3634	my $facedata = decode_storable load_file "$path/faceinfo";
		3635
		3636	$facedata->{version} == 2
		3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
		3647
		3648	{
		3649	my $faces = $facedata->{faceinfo};
		3650
		3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
		3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
		3655	cf::face::set_visibility $idx, $info->{visibility};
		3656	cf::face::set_magicmap $idx, $info->{magicmap};
		3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
		3662	}
		3663
		3664	while (my ($face, $info) = each %$faces) {
		3665	next unless $info->{smooth};
		3666
		3667	my $idx = cf::face::find $face
		3668	or next;
		3669
		3670	if (my $smooth = cf::face::find $info->{smooth}) {
		3671	cf::face::set_smooth $idx, $smooth;
		3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3673	} else {
		3674	error "smooth face '$info->{smooth}' not found for face '$face'";
		3675	}
		3676	}
		3677	}
		3678
		3679	{
		3680	my $anims = $facedata->{animinfo};
		3681
		3682	while (my ($anim, $info) = each %$anims) {
		3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3684	}
		3685
		3686	cf::anim::invalidate_all; # d'oh
		3687	}
		3688
		3689	{
		3690	my $res = $facedata->{resource};
		3691
		3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
		3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
		3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
		3705	}
		3706	}
		3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
		3723	1
		3724	}
		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
2261	sub load_resources {	3734	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
		3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
		3763	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3764	or die "unable to load regions file\n";
2264	}
2265		3765
2266	sub cfg_load {	3766	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3767	$_->{match} = qr/$_->{match}/
2268	or return;	3768	if exists $_->{match};
		3769	}
		3770	}
2269		3771
2270	local $/;	3772	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3773	load_facedata $DATADIR
		3774	or die "unable to load facedata\n";
		3775	}
2272		3776
		3777	sub reload_archetypes {
		3778	load_resource_file "$DATADIR/archetypes"
		3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792	}
		3793
		3794	sub reload_treasures {
		3795	load_resource_file "$DATADIR/treasures"
		3796	or die "unable to load treasurelists\n";
		3797	}
		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
		3819	sub reload_resources {
		3820	trace "reloading resource files...\n";
		3821
		3822	reload_materials;
		3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
		3826	reload_archetypes;
		3827	reload_regions;
		3828	reload_treasures;
		3829
		3830	trace "finished reloading resource files\n";
		3831	}
		3832
		3833	sub reload_config {
		3834	trace "reloading config file...\n";
		3835
		3836	my $config = load_file "$CONFDIR/config";
		3837	utf8::decode $config;
		3838	*CFG = decode_yaml $config;
		3839
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3841
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3844
2278	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
2282	};	3849	};
2283	warn $@ if $@;	3850	warn $@ if $@;
2284	}	3851	}
2285	}	3852	}
2286		3853
2287	sub init {	3854	sub pidfile() {
2288	load_resources;	3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3880	}
2290		3881
2291	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
2292	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3893	$Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3895	(async {
2296	Event::one_event;	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3897	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
2298	};	3899	};
2299		3900
2300	cfg_load;	3901	evthread_start IO::AIO::poll_fileno;
		3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
2301	db_init;	3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
		3915	reload_config;
		3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
2302	load_extensions;	3925	load_extensions;
2303		3926
2304	$TICK_WATCHER->start;	3927	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
		3934	};
		3935
		3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
2306	}	3944	}
2307		3945
2308	#############################################################################	3946	#############################################################################
2309	# initialisation and cleanup	3947	# initialisation and cleanup
2310		3948
2311	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
2312	BEGIN {	3950	BEGIN {
		3951	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
2321	},
2322	);	3955	};
		3956	}
		3957	}
		3958
		3959	sub write_runtime_sync {
		3960	my $t0 = AE::time;
		3961
		3962	# first touch the runtime file to show we are still running:
		3963	# the fsync below can take a very very long time.
		3964
		3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3966
		3967	my $guard = cf::lock_acquire "write_runtime";
		3968
		3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3970	or return;
		3971
		3972	my $value = $cf::RUNTIME + 90 + 10;
		3973	# 10 is the runtime save interval, for a monotonic clock
		3974	# 60 allows for the watchdog to kill the server.
		3975
		3976	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3977	and return;
		3978
		3979	# always fsync - this file is important
		3980	aio_fsync $fh
		3981	and return;
		3982
		3983	# touch it again to show we are up-to-date
		3984	aio_utime $fh, undef, undef;
		3985
		3986	close $fh
		3987	or return;
		3988
		3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3990	and return;
		3991
		3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3993
2323	}	3994	1
		3995	}
		3996
		3997	our $uuid_lock;
		3998	our $uuid_skip;
		3999
		4000	sub write_uuid_sync($) {
		4001	$uuid_skip ||= $_[0];
		4002
		4003	return if $uuid_lock;
		4004	local $uuid_lock = 1;
		4005
		4006	my $uuid = "$LOCALDIR/uuid";
		4007
		4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4009	or return;
		4010
		4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
		4019	$uuid_skip = 0;
		4020
		4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4022	and return;
		4023
		4024	# always fsync - this file is important
		4025	aio_fsync $fh
		4026	and return;
		4027
		4028	close $fh
		4029	or return;
		4030
		4031	aio_rename "$uuid~", $uuid
		4032	and return;
		4033
		4034	trace "uuid file written ($value).\n";
		4035
		4036	1
		4037
		4038	}
		4039
		4040	sub write_uuid($$) {
		4041	my ($skip, $sync) = @_;
		4042
		4043	$sync ? write_uuid_sync $skip
		4044	: async { write_uuid_sync $skip };
2324	}	4045	}
2325		4046
2326	sub emergency_save() {	4047	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
2328		4049
2329	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
2330		4056
2331	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
2332	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	4066	$pl->valid or next;
		4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	4068	$pl->save;
2340	}	4069	}
2341	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
2342		4071
2343	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	4077	$map->valid or next;
2347	$map->save;	4078	$map->save;
2348	}	4079	}
2349	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
2350		4081
2351	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
		4087
		4088	info "emergency_perl_save: begin write uuid\n";
		4089	write_uuid_sync 1;
		4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
2354	};	4110	};
2355		4111
2356	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
2357	}	4113	}
2358		4114
2359	sub post_cleanup {	4115	sub post_cleanup {
2360	my ($make_core) = @_;	4116	my ($make_core) = @_;
2361		4117
		4118	IO::AIO::flush;
		4119
2362	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	4121	if $make_core;
2364	}
2365		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
		4150	}
		4151
2366	sub reload() {	4152	sub do_reload_perl() {
2367	# can/must only be called in main	4153	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
2369	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
2370	return;	4156	return;
2371	}	4157	}
2372		4158
2373	warn "reloading...";	4159	return if $RELOAD++;
2374		4160
2375	warn "entering sync_job";	4161	my $t1 = AE::time;
2376		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
2377	cf::sync_job {	4169	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	4170	#cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark
2381		4171
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	4174	%EXT_CORO = ();
2404		4175
2405	warn "removing commands";	4176	trace "perl_reload: removing commands";
2406	%COMMAND = ();	4177	%COMMAND = ();
2407		4178
2408	warn "removing ext commands";	4179	trace "perl_reload: removing ext/exti commands";
2409	%EXTCMD = ();	4180	%EXTCMD = ();
		4181	%EXTICMD = ();
2410		4182
2411	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
2414		4186
2415	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
2416	eval {	4188	eval {
2417	$cb->($pkg);	4189	$cb->($pkg);
2418	1	4190	1
2419	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
2420	}	4196	}
2421		4197
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		4201
2430	warn "... unloading $k";	4202	trace "... unloading $k";
2431	delete $INC{$k};	4203	delete $INC{$k};
2432		4204
2433	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
2435		4207
2436	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
2438	}	4213	}
2439		4214
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		4218
2447	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
		4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		4222
2450	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
2451	# and global variables created in xs	4224	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
2453		4226
2454	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
2455		4228
2456	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
2457	require cf;	4230	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
2459		4232
2460	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
2461	cf::cfg_load;	4234	cf::reload_config;
2462		4235
2463	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
2464	cf::load_extensions;	4237	cf::load_extensions;
2465		4238
		4239	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
2467	_global_reattach;	4241	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
2469	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
		4244	trace "perl_reload: reattaching attachments to players";
		4245	reattach $_ for values %PLAYER;
		4246	}
2470		4247
2471	warn "loading reloadable resources";	4248	cf::_post_init 1;
2472	load_resources;
2473		4249
2474	warn "leaving sync_job";	4250	trace "perl_reload: leaving sync_job";
2475		4251
2476	1	4252	1
2477	} or do {	4253	} or do {
2478	warn $@;	4254	error $@;
2479	warn "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
2480	exit 1;	4256	};
		4257
		4258	--$RELOAD;
		4259	}
		4260
		4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
		4263	};
		4264
		4265	our $RELOAD_WATCHER; # used only during reload
		4266
		4267	sub reload_perl() {
		4268	# doing reload synchronously and two reloads happen back-to-back,
		4269	# coro crashes during coro_state_free->destroy here.
		4270
		4271	$RELOAD_WATCHER ||= cf::async {
		4272	Coro::AIO::aio_wait cache_extensions;
		4273
		4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4275	do_reload_perl;
		4276	undef $RELOAD_WATCHER;
		4277	};
2481	};	4278	};
2482		4279	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4280
2488	register_command "reload" => sub {	4281	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
2490		4283
2491	if ($who->flag (FLAG_WIZ)) {	4284	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4285	$who->message ("reloading server.");
2493		4286	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4287	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4288	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4289	};
2506	}	4290	}
2507	};	4291	};
2508		4292
2509	unshift @INC, $LIBDIR;	4293	#############################################################################
2510		4294
2511	my $bug_warning = 0;	4295	my $bug_warning = 0;
2512		4296
2513	$TICK_WATCHER = Event->timer (	4297	sub wait_for_tick() {
2514	reentrant => 0,	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2515	parked => 1,	4299
2516	prio => 0,	4300	$WAIT_FOR_TICK->wait;
2517	at => $NEXT_TICK || $TICK,	4301	}
2518	data => WF_AUTOCANCEL,	4302
2519	cb => sub {	4303	sub wait_for_tick_begin() {
		4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4305
		4306	my $signal = new Coro::Signal;
		4307	push @WAIT_FOR_TICK_BEGIN, $signal;
		4308	$signal->wait;
		4309	}
		4310
		4311	sub tick {
2520	if ($Coro::current != $Coro::main) {	4312	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
2523	return;	4315	return;
2524	}	4316	}
2525		4317
2526	$NOW = Event::time;	4318	cf::one_tick; # one server iteration
2527		4319
2528	cf::server_tick; # one server iteration	4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4321
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	4324	Coro::async_pool {
		4325	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	4326	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	4327	or error "ERROR: unable to write runtime file: $!";
2537	};
2538	}	4328	};
		4329	}
2539		4330
2540		4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4332	$sig->send;
		4333	}
2541	$WAIT_FOR_TICK->broadcast;	4334	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543		4335
2544	# my $AFTER = Event::time;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
2545	# warn $AFTER - $NOW;#d#	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2546		4338
2547	# if we are delayed by four ticks or more, skip them all	4339	if (0) {
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4340	if ($NEXT_TICK) {
2549		4341	my $jitter = $TICK_START - $NEXT_TICK;
2550	$TICK_WATCHER->at ($NEXT_TICK);	4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2551	$TICK_WATCHER->start;	4343	debug "jitter $JITTER\n";#d#
		4344	}
2552	},	4345	}
2553	);	4346	}
2554		4347
2555	{	4348	{
2556	BDB::max_poll_time $TICK * 0.1;	4349	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	4350	info "initialising database";
2558	reentrant => 0,	4351
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
2566		4353	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	4354	#$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		4355
2582	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
		4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		4363
2585	cf::sync_job {	4364	cf::sync_job {
2586	eval {	4365	eval {
2587	BDB::db_env_open	4366	BDB::db_env_open
2588	$DB_ENV,	4367	$DB_ENV,
2589	$BDB_ENV_DIR,	4368	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4369	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4370	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4371	0666;
2593		4372
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4373	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4374	};
2599		4375
2600	cf::cleanup "db_env_open(db): $@" if $@;	4376	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4377	};
2602	}	4378	}
		4379
		4380	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4381	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4382	};
		4383	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4385	};
		4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4388	};
		4389
		4390	info "database initialised";
2603	}	4391	}
2604		4392
2605	{	4393	{
		4394	# configure IO::AIO
		4395
		4396	info "initialising aio";
2606	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4399	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,	4400	info "aio initialised";
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4401	}
		4402
		4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
		4405
		4406	sub _log_backtrace {
		4407	my ($msg, @addr) = @_;
		4408
		4409	$msg =~ s/\n$//;
		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4414	# limit the # of concurrent backtraces
		4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
		4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
		4419	async {
		4420	$Coro::current->{desc} = "abt $msg";
		4421
		4422	my @bt = fork_call {
		4423	@addr = map { sprintf "%x", $_ } @addr;
		4424	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4425	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4426	or die "addr2line: $!";
		4427
		4428	my @funcs;
		4429	my @res = <$fh>;
		4430	chomp for @res;
		4431	while (@res) {
		4432	my ($func, $line) = splice @res, 0, 2, ();
		4433	push @funcs, "[$func] $line";
		4434	}
		4435
		4436	@funcs
		4437	};
		4438
		4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4441	LOG llevInfo, "[ABT] $_\n" for @bt;
		4442	--$_log_backtrace;
		4443	};
		4444	} else {
		4445	LOG llevInfo, "[ABT] $msg\n";
		4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4447	}
		4448	}
		4449
		4450	# load additional modules
		4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
2619		4453
2620	END { cf::emergency_save }	4454	END { cf::emergency_save }
2621		4455
2622	1	4456	1
2623		4457

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