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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
21		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
22	use BDB ();	58	use BDB ();
23	use Data::Dumper;	59	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	60	use Fcntl;
26	use YAML::Syck ();	61	use YAML::XS ();
27	use IO::AIO 2.32 ();	62	use IO::AIO ();
28	use Time::HiRes;
29	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
30		67
31	# configure various modules to our taste	68	# configure various modules to our taste
32	#	69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		78
36	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
37		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		81
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
44		85
45	our %COMMAND = ();	86	our %COMMAND = ();
46	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
47		88
48	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
52		96
53	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	98	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103
59	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
62	our $NOW;	144	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		145
65	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		149
82	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
85	binmode STDOUT;	166	binmode STDOUT;
86	binmode STDERR;	167	binmode STDERR;
87		168
88	# read virtual server time, if available	169	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
93	}	174	}
94		175
95	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	177
97	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		180
102	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
103		182
104	sub cf::map::normalise;	183	sub cf::map::normalise;
105		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
106	#############################################################################	189	#############################################################################
107		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
108	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
109		203
110	=over 4	204	=over 4
111		205
112	=item $cf::UPTIME	206	=item $cf::UPTIME
113		207
114	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
115		224
116	=item $cf::RUNTIME	225	=item $cf::RUNTIME
117		226
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	228	every server tick.
120		229
121	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		233
123	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
125		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
126	=item $cf::NOW	245	=item $cf::LOAD
127		246
128	The time of the last (current) server tick.	247	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		248
134	=item %cf::CFG	249	=item %cf::CFG
135		250
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	252	from wherever your confdir points to.
138		253
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		255
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
143	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
144	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
145		289
146	=back	290	=back
147		291
148	=cut	292	=cut
149		293
150	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	301	my $msg = join "", @_;
153	utf8::encode $msg;
154		302
155	$msg .= "\n"	303	$msg .= "\n"
156	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
157		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
158	LOG llevError, $msg;	308	LOG llevWarn, $msg;
159	};	309	};
160	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
161		324
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		332
169	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	334	# within the Safe compartment.
171	for my $pkg (qw(	335	for my $pkg (qw(
172	cf::global cf::attachable	336	cf::global cf::attachable
173	cf::object cf::object::player	337	cf::object cf::object::player
174	cf::client cf::player	338	cf::client cf::player
175	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
176	cf::map cf::party cf::region	341	cf::party cf::region
177	)) {	342	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	344	}
181		345
182	$Event::DIED = sub {	346	$EV::DIED = sub {
183	warn "error in event callback: @_";	347	warn "error in event callback: $@";
184	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
185		356
186	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
187		358
188	=over 4	359	=over 4
189		360
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	380	$d
210	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
211	}	382	}
212		383
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
214		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
215	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
216		437
217	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
218		439
219	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
220		441
221	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
222		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
223	=item cf::lock_wait $string	513	=item cf::lock_wait $string
224		514
225	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
226		516
227	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
228		518
229	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
232	returned.	522	returned.
233		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
234	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
236		529
237	=cut	530	=item $locked = cf::lock_active $string
238		531
239	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
240		537
241	sub lock_wait($) {	538	sub lock_wait($) {
242	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	540	}
250		541
251	sub lock_acquire($) {	542	sub lock_acquire($) {
252	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
253		545
254	# wait, to be sure we are not locked	546	sub lock_active($) {
255	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	548	}
264		549
265	sub freeze_mainloop {	550	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
267		552
268	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
270	};	623	}
271	$TICK_WATCHER->stop;	624	};
272	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
273	}	639	}
274		640
275	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
276		642
277	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		648
283	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
284		650
285	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
286		652
287	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
290		657
291	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
294	fast or be very important.	661	fast or be very important.
…		…
296	=cut	663	=cut
297		664
298	sub sync_job(&) {	665	sub sync_job(&) {
299	my ($job) = @_;	666	my ($job) = @_;
300		667
301	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
302	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
304		673
305	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	675
307	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
308		677
309	my $busy = 1;	678	my $busy = 1;
310	my @res;	679	my @res;
311		680
312	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	683	@res = eval { $job->() };
314	warn $@ if $@;	684	error $@ if $@;
315	undef $busy;	685	undef $busy;
316	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
317		687
318	while ($busy) {	688	while ($busy) {
319	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
320	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
321		699
322	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
323	} else {	701	} else {
324	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
325		703
…		…
345	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
346		724
347	$coro	725	$coro
348	}	726	}
349		727
350	sub write_runtime {	728	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		729
353	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
354		734
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
356	or return;
357		736
358	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
360	# 60 allows for the watchdog to kill the server.	739	}
361		740
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
363	and return;	742	my ($cb, @args) = @_;
364		743
365	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	745	cf::post_fork;
367	and return;	746	&$cb
		747	} @args;
368		748
369	close $fh	749	wantarray ? @res : $res[-1]
370	or return;	750	}
371		751
372	aio_rename "$runtime~", $runtime	752	sub objinfo {
373	and return;
374
375	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
		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 });
376	}	927	}
377		928
378	=back	929	=back
379		930
380	=cut	931	=cut
381		932
382	#############################################################################	933	#############################################################################
383		934
384	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
385		936
386	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
387	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")
388	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
389		940
390	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>
391	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
392	crossfire+).	943	Deliantra).
393		944
394	=over 4	945	=over 4
395		946
396	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
397		948
…		…
441	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
442		993
443	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
445		996
446	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		999
449	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
450		1001
451	=over 4	1002	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
561		1112
562	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1117
567	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
569		1120
570	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
575		1126
576	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1129
579	} elsif (ref $type) {	1130	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
581		1132
582	} else {	1133	} else {
583	shift @arg;	1134	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
585	}	1136	}
586	}	1137	}
587	}	1138	}
588		1139
589	sub _object_attach {	1140	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
600	}	1151	}
601		1152
602	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
603	} else {	1154	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1156	}
606		1157
607	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
608	}	1159	}
609		1160
…		…
611	if (ref $_[0]) {	1162	if (ref $_[0]) {
612	_object_attach @_;	1163	_object_attach @_;
613	} else {	1164	} else {
614	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
615	}	1166	}
		1167	_recalc_want;
616	};	1168	};
617		1169
618	# all those should be optimised	1170	# all those should be optimised
619	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1176	reattach ($obj);
625	} else {	1177	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
627	}	1179	}
		1180	_recalc_want;
628	};	1181	};
629		1182
630	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
632		1185
…		…
647	";	1200	";
648	die if $@;	1201	die if $@;
649	}	1202	}
650		1203
651	our $override;	1204	our $override;
652	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?
653		1206
654	sub override {	1207	sub override {
655	$override = 1;	1208	$override = 1;
656	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
657	}	1210	}
658		1211
659	sub do_invoke {	1212	sub do_invoke {
660	my $event = shift;	1213	my $event = shift;
661	my $callbacks = shift;	1214	my $callbacks = shift;
662		1215
663	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
664		1217
665	local $override;	1218	local $override;
666		1219
667	for (@$callbacks) {	1220	for (@$callbacks) {
668	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
669		1222
670	if ($@) {	1223	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1225	override;
674	}	1226	}
675		1227
676	return 1 if $override;	1228	return 1 if $override;
677	}	1229	}
678		1230
679	0	1231	0
680	}	1232	}
681		1233
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1235
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1237
686	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
687		1239
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1243
692	=back	1244	=back
693		1245
694	=cut	1246	=cut
695		1247
696	#############################################################################	1248	#############################################################################
697	# 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, $ob2
		1291	}
698		1292
699	sub reattach {	1293	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1295	my ($obj) = @_;
702		1296
		1297	# no longer needed after getting rid of delete_package?
703	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
704		1299
705	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
706		1301
707	@$registry = ();	1302	@$registry = ();
708		1303
…		…
713	for (@$attach) {	1308	for (@$attach) {
714	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
716	}	1311	}
717	} else {	1312	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1314	}
720	}	1315	}
721	}	1316	}
722		1317
723	cf::attachable->attach (	1318	cf::attachable->attach (
724	prio => -1000000,	1319	prio => -1000000,
725	on_instantiate => sub {	1320	on_instantiate => sub {
726	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
727		1322
728	$data = from_json $data;	1323	$data = decode_json $data;
729		1324
730	for (@$data) {	1325	for (@$data) {
731	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
732		1327
733	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1344	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
751		1346
752	sync_job {	1347	sync_job {
753	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
756		1353
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1361	aio_close $fh;
762		1362
763	if (@$objs) {	1363	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1372	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
771	}	1374	}
772	} else {	1375	} else {
773	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
774	}	1377	}
775		1378
776	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1383	} else {
778	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
779	}	1385	}
780	} else {	1386	} else {
781	aio_unlink $filename;	1387	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
783	}	1389	}
784	}	1390	};
785	}	1391	}
786		1392
787	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
789		1395
…		…
801	or return;	1407	or return;
802		1408
803	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
805	or return;	1411	or return;
		1412
806	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
807	}	1415	}
808		1416
		1417	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
811	return ($data, $av);	1422	($data, $av)
812	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
813		1430
814	#############################################################################	1431	#############################################################################
815	# command handling &c	1432	# command handling &c
816		1433
817	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
818		1435
819	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
820	$name.	1437	$name.
821		1438
822	=cut	1439	=cut
…		…
828	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
829		1446
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1448	}
832		1449
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
834		1451
835	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.
836		1457
837	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
838	called.
839		1459
840	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
841		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$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
842	sub register_extcmd {	1482	sub register_extcmd($$) {
843	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
844		1484
845	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
846	}	1486	}
847		1487
		1488	sub register_async_extcmd($$) {
		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} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
848	cf::player->attach (	1508	cf::player->attach (
849	on_command => sub {	1509	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
851		1511
852	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
853	or return;	1513	or return;
854		1514
…		…
859	cf::override;	1519	cf::override;
860	},	1520	},
861	on_extcmd => sub {	1521	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
863		1523
864	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1525
866	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
869	$pl->ext_reply ($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);
870	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
871	}	1547	}
		1548
872	} else {	1549	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1551	}
875		1552
876	cf::override;	1553	cf::override;
877	},	1554	},
878	);	1555	);
879		1556
		1557	# "readahead" all extensions
880	sub load_extension {	1558	sub cache_extensions {
881	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
882		1560
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1564	}
908	die $@;
909	}	1565	};
910		1566
911	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;
912	}	1579	}
913		1580
914	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
915	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1590	next unless -r $path;
917	eval {	1591
918	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 $active;
		1663	}
919	1	1664	}
920	} or warn "$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	}
921	}	1677	};
922	}	1678	}
923		1679
924	#############################################################################	1680	#############################################################################
925		1681
		1682	=back
		1683
926	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
927		1685
928	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
929		1687
930	=cut	1688	=cut
931		1689
932	package cf::player;	1690	package cf::player;
933		1691
…		…
935		1693
936	=head3 cf::player	1694	=head3 cf::player
937		1695
938	=over 4	1696	=over 4
939		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
940	=item cf::player::find $login	1712	=item cf::player::find $login
941		1713
942	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
943		1715
944	=cut	1716	=cut
945		1717
946	sub playerdir($) {	1718	sub playerdir($) {
947	cf::localdir	1719	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1721	}
953		1722
954	sub path($) {	1723	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1725
957	(playerdir $login) . "/$login.pl"	1726	(playerdir $login) . "/playerdata"
958	}	1727	}
959		1728
960	sub find_active($) {	1729	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1730	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1731	and $cf::PLAYER{$_[0]}->active
…		…
965		1734
966	sub exists($) {	1735	sub exists($) {
967	my ($login) = @_;	1736	my ($login) = @_;
968		1737
969	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
971	}	1740	}
972		1741
973	sub find($) {	1742	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1744	my $login = $_[0];
976		1745
977	my $guard = cf::lock_acquire "user_find:$login";	1746	my $guard = cf::lock_acquire "user_find:$login";
978		1747
979	$cf::PLAYER{$_[0]} || do {	1748	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
983	}	1765	}
984	}	1766	}
985	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
986		1781
987	sub save($) {	1782	sub save($) {
988	my ($pl) = @_;	1783	my ($pl) = @_;
989		1784
990	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
996		1791
997	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1001	Coro::cede;	1801	cf::cede_to_tick;
1002	}	1802	}
1003		1803
1004	sub new($) {	1804	sub new($) {
1005	my ($login) = @_;	1805	my ($login) = @_;
1006		1806
…		…
1012	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1013		1813
1014	$self	1814	$self
1015	}	1815	}
1016		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
1017	=item $pl->quit_character	1827	=item $pl->quit_character
1018		1828
1019	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1021		1831
…		…
1025	my ($pl) = @_;	1835	my ($pl) = @_;
1026		1836
1027	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1028		1838
1029	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1030	$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
1031		1841
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1035	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1036		1850
1037	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1069		1883
1070	=cut	1884	=cut
1071		1885
1072	sub list_logins {	1886	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1888	or return [];
1075		1889
1076	my @logins;	1890	my @logins;
1077		1891
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1082		1902
1083	utf8::decode $login;	1903	utf8::decode $login;
1084	push @logins, $login;	1904	push @logins, $login;
1085	}	1905	}
1086		1906
1087	\@logins	1907	\@logins
1088	}	1908	}
1089		1909
1090	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1091		1913
1092	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1093	player. May block.	1915	player. May block.
1094		1916
1095	=cut	1917	=cut
…		…
1113	}	1935	}
1114		1936
1115	\@paths	1937	\@paths
1116	}	1938	}
1117		1939
		1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1941
		1942	Expand deliantra pod fragments into protocol xml.
		1943
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1944	=item $player->ext_msg ($type, @msg)
1119		1945
1120	Sends an ext reply to the player.	1946	Sends an ext event to the client.
1121		1947
1122	=cut	1948	=cut
1123		1949
1124	sub ext_reply($$$%) {	1950	sub ext_msg($$@) {
1125	my ($self, $id, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1126		1952
1127	$msg{msgid} = $id;	1953	$self->ns->ext_msg ($type, @msg);
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1954	}
1131		1955
1132	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	}
1133		1986
1134	=back	1987	=back
1135
1136		1988
1137	=head3 cf::map	1989	=head3 cf::map
1138		1990
1139	=over 4	1991	=over 4
1140		1992
…		…
1152	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1154		2006
1155	sub generate_random_map {	2007	sub generate_random_map {
1156	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1158	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	2013	}
1172		2014
1173	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1174		2016
1175	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
…		…
1180		2022
1181	sub register {	2023	sub register {
1182	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	2025	my $pkg = caller;
1184		2026
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		2028
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	2030	}
1190		2031
1191	# also paths starting with '/'	2032	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		2034
1194	sub thawer_merge {	2035	sub thawer_merge {
1195	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1196		2037
1197	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1198	local $self->{path};	2039	local $self->{path};
1199	local $self->{load_path};	2040	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		2041
1203	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1204	}	2043	}
1205		2044
1206	sub normalise {	2045	sub normalise {
1207	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1208		2047
1209	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1210		2049
1211	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1212		2051
1213	# map plan:	2052	# map plan:
1214	#	2053	#
…		…
1229	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	2069	$path = "$base/$path";
1231	}	2070	}
1232		2071
1233	for ($path) {	2072	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1237	}	2075	}
1238		2076
1239	$path	2077	$path
…		…
1253	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1254	return $self;	2092	return $self;
1255	}	2093	}
1256	}	2094	}
1257		2095
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	2097	()
1260	}	2098	}
1261		2099
		2100	# may re-bless or do other evil things
1262	sub init {	2101	sub init {
1263	my ($self) = @_;	2102	my ($self) = @_;
1264		2103
1265	$self	2104	$self
1266	}	2105	}
…		…
1278		2117
1279	# the original (read-only) location	2118	# the original (read-only) location
1280	sub load_path {	2119	sub load_path {
1281	my ($self) = @_;	2120	my ($self) = @_;
1282		2121
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1284	}	2123	}
1285		2124
1286	# the temporary/swap location	2125	# the temporary/swap location
1287	sub save_path {	2126	sub save_path {
1288	my ($self) = @_;	2127	my ($self) = @_;
1289		2128
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1292	}	2131	}
1293		2132
1294	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1295	sub uniq_path {	2134	sub uniq_path {
1296	my ($self) = @_;	2135	my ($self) = @_;
1297		2136
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1300	}	2139	}
1301		2140
1302	# and all this just because we cannot iterate over	2141	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2142	my ($self) = @_;
1306		2143
1307	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1309	}	2147	}
1310		2148
1311	sub unlink_save {	2149	sub unlink_save {
1312	my ($self) = @_;	2150	my ($self) = @_;
1313		2151
…		…
1318		2156
1319	sub load_header_from($) {	2157	sub load_header_from($) {
1320	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1321		2159
1322	utf8::encode $path;	2160	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2162	or return;
1328		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1329	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1330		2171
1331	1	2172	1
1332	}	2173	}
1333		2174
		2175	# used to laod the header of an original map
1334	sub load_header_orig {	2176	sub load_header_orig {
1335	my ($self) = @_;	2177	my ($self) = @_;
1336		2178
1337	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1338	}	2180	}
1339		2181
		2182	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2183	sub load_header_temp {
1341	my ($self) = @_;	2184	my ($self) = @_;
1342		2185
1343	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1344	}	2187	}
1345		2188
		2189	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2190	sub prepare_temp {
1347	my ($self) = @_;	2191	my ($self) = @_;
1348		2192
1349	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1351	# safety	2195	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2198	}
1355		2199
		2200	# called after loading the header from an original map
1356	sub prepare_orig {	2201	sub prepare_orig {
1357	my ($self) = @_;	2202	my ($self) = @_;
1358		2203
1359	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2216	$self->load_header_orig
1372	or return;	2217	or return;
1373	$self->prepare_orig;	2218	$self->prepare_orig;
1374	}	2219	}
1375		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 $self->default_region;
		2226
1376	1	2227	1
1377	}	2228	}
1378		2229
1379	sub find;	2230	sub find;
1380	sub find {	2231	sub find {
1381	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1382		2233
		2234	cf::cede_to_tick;
		2235
1383	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1384		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2240
1387	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1390	or return;	2243	or return;
1391		2244
1392	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1393		2246
1394	$map->load_header	2247	$map->load_header
1395	or return;	2248	or return;
1396		2249
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1400	$map->reset;	2255	$map->reset;
1401	undef $guard;
1402	return find $path;	2256	return find $path;
1403	}	2257	}
1404		2258
1405	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1406	}	2260	}
1407	}	2261	}
1408		2262
1409	sub pre_load { }	2263	sub pre_load { }
1410	sub post_load { }	2264	#sub post_load { } # XS
1411		2265
1412	sub load {	2266	sub load {
1413	my ($self) = @_;	2267	my ($self) = @_;
1414		2268
1415	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1416		2270
1417	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1419		2275
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1421		2278
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2279	$self->alloc;
1425		2280
1426	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1427		2283
1428	$self->_load_objects ($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)
1429	or return;	2288	or return;
1430		2289
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1432	if delete $self->{load_original};	2291	if delete $self->{load_original};
1433		2292
1434	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2294	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2297	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1439	}	2302	}
1440	}
1441		2303
1442	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1443		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1444	# now do the right thing for maps	2313	# now do the right thing for maps
1445	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2316	unless $self->difficulty;
1455	Coro::cede;	2317	cf::cede_to_tick;
1456	$self->activate;	2318
		2319	unless ($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);
1457	}	2329	}
1458		2330
1459	$self->post_load;	2331	$self->post_load;
1460		2332
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1462	}	2334	}
1463		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2339	sub customise_for {
1465	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1466		2341
1467	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2343	if $self->per_player;
1469		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1470	$self	2348	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2349	}
1496		2350
1497	sub find_sync {	2351	sub find_sync {
1498	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1499		2353
1500	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, $origin
1501	}	2359	}
1502		2360
1503	sub do_load_sync {	2361	sub do_load_sync {
1504	my ($map) = @_;	2362	my ($map) = @_;
1505		2363
1506	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;
1507	}	2369	}
1508		2370
1509	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1511		2373
1512	sub find_async {	2374	sub find_async {
1513	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1514		2376
1515	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1516		2378
1517	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1519	}	2381	}
1520		2382
1521	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1522	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1523	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2390	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2391	$map->load if $v;
		2392	}
1528		2393
1529	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1530	}	2395	}
1531	}	2396	}
1532	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1533	};	2398	};
1534	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1535		2400
1536	()	2401	()
1537	}	2402	}
1538		2403
		2404	# common code, used by both ->save and ->swapout
1539	sub save {	2405	sub _save {
1540	my ($self) = @_;	2406	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2407
1544	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1545		2409
1546	return unless $self->dirty;	2410	return unless $self->dirty;
1547		2411
…		…
1553	return if $self->{deny_save};	2417	return if $self->{deny_save};
1554		2418
1555	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1556		2420
1557	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1559	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1560		2427
1561	if ($uniq) {	2428	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2431	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2433	}
1567	}	2434	}
1568		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1569	sub swap_out {	2444	sub swap_out {
1570	my ($self) = @_;	2445	my ($self) = @_;
1571		2446
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1577	return if $self->players;	2451	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		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
1581	$self->clear;	2462	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2463	}
1584		2464
1585	sub reset_at {	2465	sub reset_at {
1586	my ($self) = @_;	2466	my ($self) = @_;
1587		2467
1588	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1591		2470
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2473
…		…
1605	my ($self) = @_;	2484	my ($self) = @_;
1606		2485
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2487
1609	return if $self->players;	2488	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2489
1612	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1613		2491
1614	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1615		2493
1616	# need to save uniques path	2494	# need to save uniques path
1617	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2497
…		…
1621	if $uniq;	2499	if $uniq;
1622	}	2500	}
1623		2501
1624	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1625		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2506	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2507
1630	$self->unlink_save;	2508	$self->unlink_save;
1631	$self->destroy;	2509	$self->destroy;
1632	}	2510	}
1633		2511
1634	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1635		2513
1636	sub nuke {	2514	sub nuke {
1637	my ($self) = @_;	2515	my ($self) = @_;
1638		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1639	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1640		2521
1641	$self->unlink_save;	2522	$self->unlink_save;
1642		2523
1643	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2529
1649	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1650		2532
1651	$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	]
1652	}	2570	}
1653		2571
1654	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1655		2573
1656	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2575	instantiated unique items. May block.
1658		2576
1659	=cut	2577	=cut
1660		2578
1661	sub unique_maps() {	2579	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1663	or return;	2581	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2582	utf8::decode $_;
1669	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2585	? ()
1672	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2588	]
1674
1675	\@paths
1676	}	2589	}
1677		2590
1678	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	}
1679		2622
1680	=back	2623	=back
1681		2624
1682	=head3 cf::object	2625	=head3 cf::object
1683		2626
…		…
1687		2630
1688	=over 4	2631	=over 4
1689		2632
1690	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1691		2634
1692	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.
1693		2637
1694	=cut	2638	=cut
1695		2639
1696	sub inv_recursive_;	2640	sub inv_recursive_;
1697	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1700		2644
1701	sub inv_recursive {	2645	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1703	}	2647	}
1704		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
1705	package cf;	2677	package cf;
1706		2678
1707	=back	2679	=back
1708		2680
1709	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1718		2690
1719	=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	};
1720		2706
1721	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2708	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1726		2712
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2714
1729	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1734	}	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 (@_);
1735	}	2740	}
1736		2741
1737	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1738		2743
1739	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1752		2757
1753	=item $player_object->enter_link	2758	=item $player_object->enter_link
1754		2759
1755	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}>).
1756		2761
1757	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.
1758	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.
1759		2766
1760	Will never block.	2767	Will never block.
1761		2768
1762	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1763		2770
…		…
1783	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2791	my ($self) = @_;
1785		2792
1786	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1787		2794
		2795	++$self->{_link_recursion};
		2796
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2798
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1792		2801
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2803	}
1795		2804
1796	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1798		2809
1799	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1800		2811
1801	unless ($map) {	2812	unless ($map) {
1802	# restore original map position	2813	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1815		2826
1816	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1819		2830
1820	$map->load;	2831	$map->load;
1821	$map->load_diag;
1822		2832
1823	return unless $self->contr->active;	2833	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2834
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1828	}	2837	# entering was successful
1829		2838	delete $self->{_link_recursion};
1830	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2840	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2841	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2842
1844	# try to abort aborted map switching on player login :)	2843	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2844
1862	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		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
1864	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1865		2859
1866	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1867	my ($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;
1868		2871
1869	$self->enter_link;	2872	$self->enter_link;
1870		2873
1871	(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
1872	my $map = eval {	2896	my $map = eval {
1873	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2912	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1880	})->prio (1);	2920	})->prio (1);
1881	}	2921	}
1882		2922
1883	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1884		2924
…		…
1904	}	2944	}
1905		2945
1906	sub prepare_random_map {	2946	sub prepare_random_map {
1907	my ($exit) = @_;	2947	my ($exit) = @_;
1908		2948
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2951	# that depends on the exit object
1914		2952
1915	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2955	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1922	}	2962	}
1923		2963
1924	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1925		2965
1926	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1929		2969
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2972	undef $fh;
1933	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1934		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1937	}	2981	}
1938	}	2982	}
1939		2983
1940	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1942		2986
1943	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1944		2988
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2989	$self->enter_link;
1955		2990
1956	(async {	2991	(async {
1957	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1958	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
1959	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1960		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
1961	1;	3030	1
1962	}) {	3031	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1967		3036
1968	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	3038	$self->leave_link;
1970	}	3039	}
1971	})->prio (1);	3040	})->prio (1);
1972	}	3041	}
1973		3042
1974	=head3 cf::client	3043	=head3 cf::client
1975		3044
1976	=over 4	3045	=over 4
1977		3046
1978	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
1979		3048
1980	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
1981	should not be used under normal circumstances.	3050	them as required.
1982		3051
1983	=cut	3052	=cut
1984		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" => $CHAT_CHANNEL,
		3199	);
		3200
1985	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
		3202	my ($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($$@) {
1986	my ($self, $text, $flags) = @_;	3247	my ($self, $type, @msg) = @_;
1987		3248
1988	utf8::encode $text;	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	3250	}
1991
1992		3251
1993	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
1994		3253
1995	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		3257
1999	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
2000	reliable at some point in the future.	3259	become reliable at some point in the future.
2001		3260
2002	=cut	3261	=cut
2003		3262
2004	sub cf::client::query {	3263	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3272	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3274
2016	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2017	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;
2018	}	3317	}
2019		3318
2020	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	},
2021	on_reply => sub {	3325	on_reply => sub {
2022	my ($ns, $msg) = @_;	3326	my ($ns, $msg) = @_;
2023		3327
2024	# this weird shuffling is so that direct followup queries	3328	# this weird shuffling is so that direct followup queries
2025	# get handled first	3329	# get handled first
…		…
2037	} else {	3341	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3342	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3343	}
2040	}	3344	}
2041	},	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	},
2042	);	3379	);
2043		3380
2044	=item $client->async (\&cb)	3381	=item $client->async (\&cb)
2045		3382
2046	Create a new coroutine, running the specified callback. The coroutine will	3383	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3399
2063	$coro	3400	$coro
2064	}	3401	}
2065		3402
2066	cf::client->attach (	3403	cf::client->attach (
2067	on_destroy => sub {	3404	on_client_destroy => sub {
2068	my ($ns) = @_;	3405	my ($ns) = @_;
2069		3406
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3408	},
2072	);	3409	);
…		…
2087	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2089		3426
2090	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2091		3428
2092	$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	));
2093		3434
2094	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2095		3436
2096	=pod	3437	=pod
2097		3438
2098	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2099		3440
2100	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
2101	cf::object::player player	3446	cf::object::player
2102	cf::player peaceful	3447	player
2103	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2104		3454
2105	=cut	3455	=cut
2106		3456
2107	for (	3457	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2112	) {	3464	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3467	for @funs;
2117	}	3468	}
2118		3469
…		…
2133		3484
2134	my $qcode = $code;	3485	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2137		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2138	local $_;	3492	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3493
2141	my $eval =	3494	my $eval =
2142	"do {\n"	3495	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3498	. $code
2146	. "\n}"	3499	. "\n}"
2147	;	3500	;
2148		3501
		3502	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	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	}
2152		3511
2153	if ($@) {	3512	if ($@) {
2154	warn "$@";	3513	warn "$@",
2155	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2157	}	3516	}
2158		3517
2159	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2160	}	3519	}
2161		3520
…		…
2175	=cut	3534	=cut
2176		3535
2177	sub register_script_function {	3536	sub register_script_function {
2178	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2179		3538
2180	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2182	}	3541	}
2183		3542
2184	=back	3543	=back
2185		3544
2186	=cut	3545	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3546
2260	#############################################################################	3547	#############################################################################
2261	# the server's init and main functions	3548	# the server's init and main functions
2262		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		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, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2263	sub load_faces {	3627	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3628	my ($path) = @_;
2265		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2266	warn "loading faces from $path\n";	3632	trace "loading facedata from $path\n";
2267		3633
2268	my $faces;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3635
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3636	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2279		3638
2280	while (my ($face, $info) = each %$faces) {	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};
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284	Coro::cede;
2285	}
2286		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
2287	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2289	my $idx = cf::face::find $face	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, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		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"
		3764	or die "unable to load regions file\n";
		3765
		3766	for (cf::region::list) {
		3767	$_->{match} = qr/$_->{match}/
		3768	if exists $_->{match};
		3769	}
		3770	}
		3771
		3772	sub reload_facedata {
		3773	load_facedata $DATADIR
		3774	or die "unable to load facedata\n";
		3775	}
		3776
		3777	sub reload_archetypes {
		3778	load_resource_file "$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	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
		3806	}
		3807
		3808	sub reload_treasures {
		3809	load_resource_file "$DATADIR/treasures"
		3810	or die "unable to load treasurelists\n";
		3811	}
		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
2290	or next;	3820	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
2300	}	3831	}
2301		3832
2302	sub reload_resources {	3833	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3834	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3835
		3836	reload_materials;
2305	load_faces	3837	reload_facedata;
2306	or die "unable to load faces\n";#d#	3838	reload_exp_table;
2307	}	3839	reload_sound;
2308		3840	reload_archetypes;
2309	sub init {
2310	reload_resources;	3841	reload_regions;
2311	}	3842	reload_treasures;
2312		3843
2313	sub cfg_load {	3844	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3845	}
2315	or return;
2316		3846
2317	local $/;	3847	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3848	trace "reloading config file...\n";
2319		3849
		3850	my $config = load_file "$CONFDIR/config";
		3851	utf8::decode $config;
		3852	*CFG = decode_yaml $config;
		3853
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3855
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3858
2325	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
2329	};	3863	};
2330	warn $@ if $@;	3864	warn $@ if $@;
2331	}	3865	}
2332	}	3866	}
2333		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
2334	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
2335	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3907	$Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3909	(async {
2339	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
2341	};	3913	};
2342		3914
2343	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
2344	db_init;	3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
		3929	reload_config;
		3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
2345	load_extensions;	3939	load_extensions;
2346		3940
2347	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
2349	}	3958	}
2350		3959
2351	#############################################################################	3960	#############################################################################
2352	# initialisation and cleanup	3961	# initialisation and cleanup
2353		3962
2354	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
2355	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
2364	},
2365	);	3969	};
		3970	}
		3971	}
		3972
		3973	sub write_runtime_sync {
		3974	my $t0 = AE::time;
		3975
		3976	# first touch the runtime file to show we are still running:
		3977	# the fsync below can take a very very long time.
		3978
		3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3980
		3981	my $guard = cf::lock_acquire "write_runtime";
		3982
		3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3984	or return;
		3985
		3986	my $value = $cf::RUNTIME + 90 + 10;
		3987	# 10 is the runtime save interval, for a monotonic clock
		3988	# 60 allows for the watchdog to kill the server.
		3989
		3990	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3991	and return;
		3992
		3993	# always fsync - this file is important
		3994	aio_fsync $fh
		3995	and return;
		3996
		3997	# touch it again to show we are up-to-date
		3998	aio_utime $fh, undef, undef;
		3999
		4000	close $fh
		4001	or return;
		4002
		4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4004	and return;
		4005
		4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4007
2366	}	4008	1
		4009	}
		4010
		4011	our $uuid_lock;
		4012	our $uuid_skip;
		4013
		4014	sub write_uuid_sync($) {
		4015	$uuid_skip ||= $_[0];
		4016
		4017	return if $uuid_lock;
		4018	local $uuid_lock = 1;
		4019
		4020	my $uuid = "$LOCALDIR/uuid";
		4021
		4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4023	or return;
		4024
		4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
		4033	$uuid_skip = 0;
		4034
		4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4036	and return;
		4037
		4038	# always fsync - this file is important
		4039	aio_fsync $fh
		4040	and return;
		4041
		4042	close $fh
		4043	or return;
		4044
		4045	aio_rename "$uuid~", $uuid
		4046	and return;
		4047
		4048	trace "uuid file written ($value).\n";
		4049
		4050	1
		4051
		4052	}
		4053
		4054	sub write_uuid($$) {
		4055	my ($skip, $sync) = @_;
		4056
		4057	$sync ? write_uuid_sync $skip
		4058	: async { write_uuid_sync $skip };
2367	}	4059	}
2368		4060
2369	sub emergency_save() {	4061	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
2371		4063
2372	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
2373		4070
2374	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
2375	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	4082	$pl->save;
2383	}	4083	}
2384	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
2385		4085
2386	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	4091	$map->valid or next;
2390	$map->save;	4092	$map->save;
2391	}	4093	}
2392	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
2393		4095
2394	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
		4101
		4102	info "emergency_perl_save: begin write uuid\n";
		4103	write_uuid_sync 1;
		4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
2397	};	4124	};
2398		4125
2399	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
2400	}	4127	}
2401		4128
2402	sub post_cleanup {	4129	sub post_cleanup {
2403	my ($make_core) = @_;	4130	my ($make_core) = @_;
2404		4131
		4132	IO::AIO::flush;
		4133
2405	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	4135	if $make_core;
2407	}
2408		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
		4164	}
		4165
2409	sub reload() {	4166	sub do_reload_perl() {
2410	# can/must only be called in main	4167	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
2412	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
2413	return;	4170	return;
2414	}	4171	}
2415		4172
2416	warn "reloading...";	4173	return if $RELOAD++;
2417		4174
2418	warn "entering sync_job";	4175	my $t1 = AE::time;
2419		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
2420	cf::sync_job {	4183	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	4184	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		4185
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	4188	%EXT_CORO = ();
2449		4189
2450	warn "removing commands";	4190	trace "perl_reload: removing commands";
2451	%COMMAND = ();	4191	%COMMAND = ();
2452		4192
2453	warn "removing ext commands";	4193	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	4194	%EXTCMD = ();
		4195	%EXTICMD = ();
2455		4196
2456	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
2459		4200
2460	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
2461	eval {	4202	eval {
2462	$cb->($pkg);	4203	$cb->($pkg);
2463	1	4204	1
2464	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
2465	}	4210	}
2466		4211
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		4215
2475	warn "... unloading $k";	4216	trace "... unloading $k";
2476	delete $INC{$k};	4217	delete $INC{$k};
2477		4218
2478	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
2480		4221
2481	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
2483	}	4227	}
2484		4228
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		4232
2492	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
		4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		4236
2495	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
2496	# and global variables created in xs	4238	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
2498		4240
2499	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
2500		4242
2501	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
2502	require cf;	4244	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
2504		4246
2505	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	4248	cf::reload_config;
2507		4249
2508	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	4251	cf::load_extensions;
2510		4252
		4253	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
2517		4261
2518	warn "loading reloadable resources";	4262	cf::_post_init 1;
2519	reload_resources;
2520		4263
2521	warn "leaving sync_job";	4264	trace "perl_reload: leaving sync_job";
2522		4265
2523	1	4266	1
2524	} or do {	4267	} or do {
2525	warn $@;	4268	error $@;
2526	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4270	};
		4271
		4272	--$RELOAD;
		4273	}
		4274
		4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
		4277	};
		4278
		4279	our $RELOAD_WATCHER; # used only during reload
		4280
		4281	sub reload_perl() {
		4282	# doing reload synchronously and two reloads happen back-to-back,
		4283	# coro crashes during coro_state_free->destroy here.
		4284
		4285	$RELOAD_WATCHER ||= cf::async {
		4286	Coro::AIO::aio_wait cache_extensions;
		4287
		4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4289	do_reload_perl;
		4290	undef $RELOAD_WATCHER;
		4291	};
2528	};	4292	};
2529		4293	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4294
2535	register_command "reload" => sub {	4295	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
2537		4297
2538	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
2540		4300	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4301	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4302	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4303	};
2553	}	4304	}
2554	};	4305	};
2555		4306
2556	unshift @INC, $LIBDIR;	4307	#############################################################################
2557		4308
2558	my $bug_warning = 0;	4309	my $bug_warning = 0;
2559		4310
2560	$TICK_WATCHER = Event->timer (	4311	sub wait_for_tick() {
2561	reentrant => 0,	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2562	parked => 1,	4313
2563	prio => 0,	4314	$WAIT_FOR_TICK->wait;
2564	at => $NEXT_TICK || $TICK,	4315	}
2565	data => WF_AUTOCANCEL,	4316
2566	cb => sub {	4317	sub wait_for_tick_begin() {
		4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4319
		4320	my $signal = new Coro::Signal;
		4321	push @WAIT_FOR_TICK_BEGIN, $signal;
		4322	$signal->wait;
		4323	}
		4324
		4325	sub tick {
2567	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
2570	return;	4329	return;
2571	}	4330	}
2572		4331
2573	$NOW = Event::time;	4332	cf::one_tick; # one server iteration
2574		4333
2575	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4335
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4338	Coro::async_pool {
		4339	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4340	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4341	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4342	};
		4343	}
2586		4344
		4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4346	$sig->send;
		4347	}
2587	$WAIT_FOR_TICK->broadcast;	4348	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589		4349
2590	# my $AFTER = Event::time;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
2591	# warn $AFTER - $NOW;#d#	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2592		4352
2593	# if we are delayed by four ticks or more, skip them all	4353	if (0) {
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4354	if ($NEXT_TICK) {
2595		4355	my $jitter = $TICK_START - $NEXT_TICK;
2596	$TICK_WATCHER->at ($NEXT_TICK);	4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2597	$TICK_WATCHER->start;	4357	debug "jitter $JITTER\n";#d#
		4358	}
2598	},	4359	}
2599	);	4360	}
2600		4361
2601	{	4362	{
2602	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
2604	reentrant => 0,	4365
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
2612		4367	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4369
2628	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
		4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4377
2631	cf::sync_job {	4378	cf::sync_job {
2632	eval {	4379	eval {
2633	BDB::db_env_open	4380	BDB::db_env_open
2634	$DB_ENV,	4381	$DB_ENV,
2635	$BDB_ENV_DIR,	4382	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4385	0666;
2639		4386
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4388	};
2645		4389
2646	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4391	};
2648	}	4392	}
		4393
		4394	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4395	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4396	};
		4397	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4399	};
		4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4402	};
		4403
		4404	info "database initialised";
2649	}	4405	}
2650		4406
2651	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
2652	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,	4414	info "aio initialised";
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4415	}
		4416
		4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
		4419
		4420	sub _log_backtrace {
		4421	my ($msg, @addr) = @_;
		4422
		4423	$msg =~ s/\n$//;
		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4428	# limit the # of concurrent backtraces
		4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
		4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
		4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
		4436	my @bt = fork_call {
		4437	@addr = map { sprintf "%x", $_ } @addr;
		4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4440	or die "addr2line: $!";
		4441
		4442	my @funcs;
		4443	my @res = <$fh>;
		4444	chomp for @res;
		4445	while (@res) {
		4446	my ($func, $line) = splice @res, 0, 2, ();
		4447	push @funcs, "[$func] $line";
		4448	}
		4449
		4450	@funcs
		4451	};
		4452
		4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4455	LOG llevInfo, "[ABT] $_\n" for @bt;
		4456	--$_log_backtrace;
		4457	};
		4458	} else {
		4459	LOG llevInfo, "[ABT] $msg\n";
		4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4461	}
		4462	}
		4463
		4464	# load additional modules
		4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
2665		4467
2666	END { cf::emergency_save }	4468	END { cf::emergency_save }
2667		4469
2668	1	4470	1
2669		4471

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