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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
		58	use BDB ();
20	use Data::Dumper;	59	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	60	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	61	use YAML::XS ();
25	use Time::HiRes;	62	use IO::AIO ();
		63	use Compress::LZF;
		64	use Digest::MD5 ();
26		65
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		81
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		83
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		85
36	our %COMMAND = ();	86	our %COMMAND = ();
37	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
38		88
39	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
43		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	98	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
46		101
47	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	103
49	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
52	our $NOW;	144	our $NOW;
53		145
54	our %CFG;	146	our (%PLAYER, %PLAYER_LOADING); # all users
55		147	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		149
67	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
70	binmode STDOUT;	166	binmode STDOUT;
71	binmode STDERR;	167	binmode STDERR;
72		168
73	# read virtual server time, if available	169	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
78	}	174	}
79		175
80	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	177
82	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		180
86	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
87		182
88	sub cf::map::normalise;	183	sub cf::map::normalise;
89		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
90	#############################################################################	189	#############################################################################
91		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
92	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
93		203
94	=over 4	204	=over 4
95		205
96	=item $cf::UPTIME	206	=item $cf::UPTIME
97		207
98	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
99		224
100	=item $cf::RUNTIME	225	=item $cf::RUNTIME
101		226
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	228	every server tick.
104		229
105	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		233
107	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
109		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
110	=item $cf::NOW	245	=item $cf::LOAD
111		246
112	The time of the last (current) server tick.	247	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		248
118	=item %cf::CFG	249	=item %cf::CFG
119		250
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	252	from wherever your confdir points to.
122		253
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		255
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
127	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
128	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
129		289
130	=back	290	=back
131		291
132	=cut	292	=cut
133		293
134	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	301	my $msg = join "", @_;
137	utf8::encode $msg;
138		302
139	$msg .= "\n"	303	$msg .= "\n"
140	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
141		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
142	LOG llevError, $msg;	308	LOG llevWarn, $msg;
143	};	309	};
144	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
145		324
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		332
153	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	334	# within the Safe compartment.
155	for my $pkg (qw(	335	for my $pkg (qw(
156	cf::global cf::attachable	336	cf::global cf::attachable
157	cf::object cf::object::player	337	cf::object cf::object::player
158	cf::client cf::player	338	cf::client cf::player
159	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
160	cf::map cf::party cf::region	341	cf::party cf::region
161	)) {	342	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	344	}
165		345
166	$Event::DIED = sub {	346	$EV::DIED = sub {
167	warn "error in event callback: @_";	347	warn "error in event callback: $@";
168	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
169		356
170	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
171		358
172	=over 4	359	=over 4
173		360
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	380	$d
194	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
195	}	382	}
196		383
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
198		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
199	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
200		437
201	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
202		439
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
211		441
212	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
213		443
214	=cut	444	=cut
215		445
216	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
218	JSON::Syck::Dump $_[0]	448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
219	}	511	}
220		512
221	=item cf::lock_wait $string	513	=item cf::lock_wait $string
222		514
223	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
224		516
225	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
226		518
227	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
230	returned.	522	returned.
231		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
232	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
234		529
235	=cut	530	=item $locked = cf::lock_active $string
236		531
237	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
238		537
239	sub lock_wait($) {	538	sub lock_wait($) {
240	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	540	}
248		541
249	sub lock_acquire($) {	542	sub lock_acquire($) {
250	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
251		545
252	# wait, to be sure we are not locked	546	sub lock_active($) {
253	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	548	}
262		549
263	sub freeze_mainloop {	550	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
265		552
266	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	554	}
268	$WRITE_RUNTIME_WATCHER->start;	555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
269	};	623	}
270	$WRITE_RUNTIME_WATCHER->stop;	624	};
271	$TICK_WATCHER->stop;	625
272	$guard	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
273	}	639	}
274		640
275	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
276		642
277	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		648
283	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
284		650
285	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
286		652
287	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
290		657
291	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
294	fast or be very important.	661	fast or be very important.
…		…
296	=cut	663	=cut
297		664
298	sub sync_job(&) {	665	sub sync_job(&) {
299	my ($job) = @_;	666	my ($job) = @_;
300		667
301	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
302	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
304		673
305	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	675
307	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
308		677
309	my $busy = 1;	678	my $busy = 1;
310	my @res;	679	my @res;
311		680
312	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	683	@res = eval { $job->() };
314	warn $@ if $@;	684	error $@ if $@;
315	undef $busy;	685	undef $busy;
316	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
317		687
318	while ($busy) {	688	while ($busy) {
319	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
320	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
321		699
322	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
323	} else {	701	} else {
324	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
325		703
…		…
345	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
346		724
347	$coro	725	$coro
348	}	726	}
349		727
350	sub write_runtime {	728	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		729
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	730	Executes the given code block with the given arguments in a seperate
354	or return;	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
355		734
356	my $value = $cf::RUNTIME + 90 + 10;	735	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		736
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	737	sub post_fork {
361	and return;	738	reset_signals;
		739	}
362		740
363	aio_fsync $fh	741	sub fork_call(&@) {
364	and return;	742	my ($cb, @args) = @_;
365		743
366	close $fh	744	# we seemingly have to make a local copy of the whole thing,
367	or return;	745	# otherwise perl prematurely frees the stuff :/
		746	# TODO: investigate and fix (likely this will be rather laborious)
368		747
369	aio_rename "$runtime~", $runtime	748	my @res = Coro::Util::fork_eval {
370	and return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
371		752
		753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
372	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = EV::time;
		907	my $data = $process->(\@data);
		908	my $t2 = EV::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
		920	}
		921
		922	=item cf::datalog type => key => value, ...
		923
		924	Log a datalog packet of the given type with the given key-value pairs.
		925
		926	=cut
		927
		928	sub datalog($@) {
		929	my ($type, %kv) = @_;
		930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	931	}
374		932
375	=back	933	=back
376		934
377	=cut	935	=cut
378		936
379	#############################################################################	937	#############################################################################
380		938
381	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
382		940
383	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
386		944
387	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	947	Deliantra).
390		948
391	=over 4	949	=over 4
392		950
393	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
394		952
…		…
438	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
439		997
440	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
442		1000
443	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
445		1003
446	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
447		1005
448	=over 4	1006	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
558		1116
559	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1121
564	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
566		1124
567	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
572		1130
573	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1133
576	} elsif (ref $type) {	1134	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
578		1136
579	} else {	1137	} else {
580	shift @arg;	1138	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
582	}	1140	}
583	}	1141	}
584	}	1142	}
585		1143
586	sub _object_attach {	1144	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
597	}	1155	}
598		1156
599	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
600	} else {	1158	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1160	}
603		1161
604	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
605	}	1163	}
606		1164
…		…
608	if (ref $_[0]) {	1166	if (ref $_[0]) {
609	_object_attach @_;	1167	_object_attach @_;
610	} else {	1168	} else {
611	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
612	}	1170	}
		1171	_recalc_want;
613	};	1172	};
614		1173
615	# all those should be optimised	1174	# all those should be optimised
616	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1180	reattach ($obj);
622	} else {	1181	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
624	}	1183	}
		1184	_recalc_want;
625	};	1185	};
626		1186
627	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
629		1189
…		…
644	";	1204	";
645	die if $@;	1205	die if $@;
646	}	1206	}
647		1207
648	our $override;	1208	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1210
651	sub override {	1211	sub override {
652	$override = 1;	1212	$override = 1;
653	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
654	}	1214	}
655		1215
656	sub do_invoke {	1216	sub do_invoke {
657	my $event = shift;	1217	my $event = shift;
658	my $callbacks = shift;	1218	my $callbacks = shift;
659		1219
660	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
661		1221
662	local $override;	1222	local $override;
663		1223
664	for (@$callbacks) {	1224	for (@$callbacks) {
665	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
666		1226
667	if ($@) {	1227	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1229	override;
671	}	1230	}
672		1231
673	return 1 if $override;	1232	return 1 if $override;
674	}	1233	}
675		1234
676	0	1235	0
677	}	1236	}
678		1237
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1239
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1241
683	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
684		1243
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1247
689	=back	1248	=back
690		1249
691	=cut	1250	=cut
692		1251
693	#############################################################################	1252	#############################################################################
694	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
695		1296
696	sub reattach {	1297	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1299	my ($obj) = @_;
699		1300
		1301	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1303
702	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
703		1305
704	@$registry = ();	1306	@$registry = ();
705		1307
…		…
710	for (@$attach) {	1312	for (@$attach) {
711	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
713	}	1315	}
714	} else {	1316	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1318	}
717	}	1319	}
718	}	1320	}
719		1321
720	cf::attachable->attach (	1322	cf::attachable->attach (
721	prio => -1000000,	1323	prio => -1000000,
722	on_instantiate => sub {	1324	on_instantiate => sub {
723	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
724		1326
725	$data = from_json $data;	1327	$data = decode_json $data;
726		1328
727	for (@$data) {	1329	for (@$data) {
728	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
729		1331
730	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1348	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
748		1350
749	sync_job {	1351	sync_job {
750	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
753		1357
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1363	aio_fsync $fh;
		1364	}
758	close $fh;	1365	aio_close $fh;
759		1366
760	if (@$objs) {	1367	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
		1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1374	aio_fsync $fh;
		1375	}
766	close $fh;	1376	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
768	}	1378	}
769	} else {	1379	} else {
770	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
771	}	1381	}
772		1382
773	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1387	} else {
775	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
776	}	1389	}
777	} else {	1390	} else {
778	aio_unlink $filename;	1391	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
780	}	1393	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1394	};
788	}	1395	}
789		1396
790	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
792		1399
…		…
797		1404
798	sub object_thawer_load {	1405	sub object_thawer_load {
799	my ($filename) = @_;	1406	my ($filename) = @_;
800		1407
801	my ($data, $av);	1408	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1409
806	(aio_load $filename, $data) >= 0	1410	(aio_load $filename, $data) >= 0
807	or return;	1411	or return;
808		1412
809	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
811	or return;	1415	or return;
		1416
812	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
813	}	1419	}
814		1420
		1421	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
817	return ($data, $av);	1426	($data, $av)
818	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
819		1434
820	#############################################################################	1435	#############################################################################
821	# command handling &c	1436	# command handling &c
822		1437
823	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
824		1439
825	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
826	$name.	1441	$name.
827		1442
828	=cut	1443	=cut
…		…
834	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
835		1450
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1452	}
838		1453
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
840		1455
841	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
842		1461
843	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
844	called.
845		1463
846	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
847		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
848	sub register_extcmd {	1486	sub register_extcmd($$) {
849	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
850		1488
851	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
852	}	1490	}
853		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
854	cf::player->attach (	1512	cf::player->attach (
855	on_command => sub {	1513	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
857		1515
858	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
859	or return;	1517	or return;
860		1518
…		…
865	cf::override;	1523	cf::override;
866	},	1524	},
867	on_extcmd => sub {	1525	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
869		1527
870	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1529
872	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
875	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
876	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
877	}	1551	}
		1552
878	} else {	1553	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1555	}
881		1556
882	cf::override;	1557	cf::override;
883	},	1558	},
884	);	1559	);
885		1560
		1561	# "readahead" all extensions
886	sub load_extension {	1562	sub cache_extensions {
887	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
888		1564
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1568	}
914	die $@;
915	}	1569	};
916		1570
917	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
918	}	1583	}
919		1584
920	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
921	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1594	next unless -r $path;
923	eval {	1595
924	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
925	1	1668	}
926	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
927	}	1681	};
928	}	1682	}
929		1683
930	#############################################################################	1684	#############################################################################
931		1685
		1686	=back
		1687
932	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
933		1689
934	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
935		1691
936	=cut	1692	=cut
937		1693
938	package cf::player;	1694	package cf::player;
939		1695
…		…
941		1697
942	=head3 cf::player	1698	=head3 cf::player
943		1699
944	=over 4	1700	=over 4
945		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
946	=item cf::player::find $login	1716	=item cf::player::find $login
947		1717
948	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
949		1719
950	=cut	1720	=cut
951		1721
952	sub playerdir($) {	1722	sub playerdir($) {
953	cf::localdir	1723	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1725	}
959		1726
960	sub path($) {	1727	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1729
963	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
964	}	1731	}
965		1732
966	sub find_active($) {	1733	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
971		1738
972	sub exists($) {	1739	sub exists($) {
973	my ($login) = @_;	1740	my ($login) = @_;
974		1741
975	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
977	}	1744	}
978		1745
979	sub find($) {	1746	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1748	my $login = $_[0];
982		1749
983	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
984		1751
985	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1753	# rename old playerfiles to new ones
		1754	#TODO: remove when no longer required
		1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1758	aio_unlink +(playerdir $login) . "/$login.pl";
		1759
		1760	my $f = new_from_file cf::object::thawer path $login
987	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
989	}	1769	}
990	}	1770	}
991	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
992		1785
993	sub save($) {	1786	sub save($) {
994	my ($pl) = @_;	1787	my ($pl) = @_;
995		1788
996	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1002		1795
1003	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1005		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1006	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1007	Coro::cede;	1805	cf::cede_to_tick;
1008	}	1806	}
1009		1807
1010	sub new($) {	1808	sub new($) {
1011	my ($login) = @_;	1809	my ($login) = @_;
1012		1810
…		…
1018	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1019		1817
1020	$self	1818	$self
1021	}	1819	}
1022		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1023	=item $pl->quit_character	1831	=item $pl->quit_character
1024		1832
1025	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1027		1835
1028	=cut	1836	=cut
1029		1837
1030	sub quit_character {	1838	sub quit_character {
1031	my ($pl) = @_;	1839	my ($pl) = @_;
1032		1840
		1841	my $name = $pl->ob->name;
		1842
1033	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1845
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1039	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1040		1854
1041	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1858	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1859	$pl->destroy;
		1860
		1861	my $prefix = qr<^~\Q$name\E/>;
		1862
		1863	# nuke player maps
		1864	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1865
1046	IO::AIO::aio_rmtree $temp;	1866	IO::AIO::aio_rmtree $temp;
		1867	}
		1868
		1869	=item $pl->kick
		1870
		1871	Kicks a player out of the game. This destroys the connection.
		1872
		1873	=cut
		1874
		1875	sub kick {
		1876	my ($pl, $kicker) = @_;
		1877
		1878	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1879	$pl->killer ("kicked");
		1880	$pl->ns->destroy;
1047	}	1881	}
1048		1882
1049	=item cf::player::list_logins	1883	=item cf::player::list_logins
1050		1884
1051	Returns am arrayref of all valid playernames in the system, can take a	1885	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1053		1887
1054	=cut	1888	=cut
1055		1889
1056	sub list_logins {	1890	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1892	or return [];
1059		1893
1060	my @logins;	1894	my @logins;
1061		1895
1062	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1066		1906
1067	utf8::decode $login;	1907	utf8::decode $login;
1068	push @logins, $login;	1908	push @logins, $login;
1069	}	1909	}
1070		1910
1071	\@logins	1911	\@logins
1072	}	1912	}
1073		1913
1074	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1075		1917
1076	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1077	player. May block.	1919	player. May block.
1078		1920
1079	=cut	1921	=cut
…		…
1097	}	1939	}
1098		1940
1099	\@paths	1941	\@paths
1100	}	1942	}
1101		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1103		1949
1104	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1105		1951
1106	=cut	1952	=cut
1107		1953
1108	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1109	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1110		1956
1111	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1958	}
1115		1959
1116	package cf;	1960	=head3 cf::region
		1961
		1962	=over 4
		1963
		1964	=cut
		1965
		1966	package cf::region;
		1967
		1968	=item cf::region::find_by_path $path
		1969
		1970	Tries to decuce the likely region for a map knowing only its path.
		1971
		1972	=cut
		1973
		1974	sub find_by_path($) {
		1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
		1979	my ($match, $specificity);
		1980
		1981	for my $region (list) {
		1982	if ($region->{match} && $path =~ $region->{match}) {
		1983	($match, $specificity) = ($region, $region->specificity)
		1984	if $region->specificity > $specificity;
		1985	}
		1986	}
		1987
		1988	$match
		1989	}
1117		1990
1118	=back	1991	=back
1119
1120		1992
1121	=head3 cf::map	1993	=head3 cf::map
1122		1994
1123	=over 4	1995	=over 4
1124		1996
…		…
1136	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1138		2010
1139	sub generate_random_map {	2011	sub generate_random_map {
1140	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1142	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	2017	}
1156		2018
1157	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1158		2020
1159	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1164		2026
1165	sub register {	2027	sub register {
1166	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	2029	my $pkg = caller;
1168		2030
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		2032
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	2034	}
1174		2035
1175	# also paths starting with '/'	2036	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		2038
1178	sub thawer_merge {	2039	sub thawer_merge {
1179	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1180		2041
1181	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1182	local $self->{path};	2043	local $self->{path};
1183	local $self->{load_path};	2044	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		2045
1187	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1188	}	2047	}
1189		2048
1190	sub normalise {	2049	sub normalise {
1191	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1192		2051
1193	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1194		2053
1195	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1196		2055
1197	# map plan:	2056	# map plan:
1198	#	2057	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2073	$path = "$base/$path";
1215	}	2074	}
1216		2075
1217	for ($path) {	2076	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1221	}	2079	}
1222		2080
1223	$path	2081	$path
…		…
1237	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1238	return $self;	2096	return $self;
1239	}	2097	}
1240	}	2098	}
1241		2099
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2101	()
1244	}	2102	}
1245		2103
		2104	# may re-bless or do other evil things
1246	sub init {	2105	sub init {
1247	my ($self) = @_;	2106	my ($self) = @_;
1248		2107
1249	$self	2108	$self
1250	}	2109	}
…		…
1262		2121
1263	# the original (read-only) location	2122	# the original (read-only) location
1264	sub load_path {	2123	sub load_path {
1265	my ($self) = @_;	2124	my ($self) = @_;
1266		2125
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1268	}	2127	}
1269		2128
1270	# the temporary/swap location	2129	# the temporary/swap location
1271	sub save_path {	2130	sub save_path {
1272	my ($self) = @_;	2131	my ($self) = @_;
1273		2132
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1276	}	2135	}
1277		2136
1278	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1279	sub uniq_path {	2138	sub uniq_path {
1280	my ($self) = @_;	2139	my ($self) = @_;
1281		2140
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1284	}	2143	}
1285		2144
1286	# and all this just because we cannot iterate over	2145	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2146	my ($self) = @_;
1290		2147
1291	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1293	}	2151	}
1294		2152
1295	sub unlink_save {	2153	sub unlink_save {
1296	my ($self) = @_;	2154	my ($self) = @_;
1297		2155
1298	utf8::encode (my $save = $self->save_path);	2156	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2157	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2158	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2159	}
1307		2160
1308	sub load_header_from($) {	2161	sub load_header_from($) {
1309	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1310		2163
1311	utf8::encode $path;	2164	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2166	or return;
1317		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1318	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1319		2175
1320	1	2176	1
1321	}	2177	}
1322		2178
		2179	# used to laod the header of an original map
1323	sub load_header_orig {	2180	sub load_header_orig {
1324	my ($self) = @_;	2181	my ($self) = @_;
1325		2182
1326	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1327	}	2184	}
1328		2185
		2186	# used to laod the header of an instantiated map
1329	sub load_header_temp {	2187	sub load_header_temp {
1330	my ($self) = @_;	2188	my ($self) = @_;
1331		2189
1332	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1333	}	2191	}
1334		2192
		2193	# called after loading the header from an instantiated map
1335	sub prepare_temp {	2194	sub prepare_temp {
1336	my ($self) = @_;	2195	my ($self) = @_;
1337		2196
1338	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1339	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1340	# safety	2199	# safety
1341	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1342	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1343	}	2202	}
1344		2203
		2204	# called after loading the header from an original map
1345	sub prepare_orig {	2205	sub prepare_orig {
1346	my ($self) = @_;	2206	my ($self) = @_;
1347		2207
1348	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1349	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1360	$self->load_header_orig	2220	$self->load_header_orig
1361	or return;	2221	or return;
1362	$self->prepare_orig;	2222	$self->prepare_orig;
1363	}	2223	}
1364		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
		2228	$self->default_region (cf::region::find_by_path $self->{path})
		2229	unless $self->default_region;
		2230
1365	1	2231	1
1366	}	2232	}
1367		2233
1368	sub find;	2234	sub find;
1369	sub find {	2235	sub find {
1370	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1371		2237
		2238	cf::cede_to_tick;
		2239
1372	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1373		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2244
1376	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1379	or return;	2247	or return;
1380		2248
1381	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1382		2250
1383	$map->load_header	2251	$map->load_header
1384	or return;	2252	or return;
1385		2253
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1389	$map->reset;	2259	$map->reset;
1390	undef $guard;
1391	return find $path;	2260	return find $path;
1392	}	2261	}
1393		2262
1394	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1395	}	2264	}
1396	}	2265	}
1397		2266
1398	sub pre_load { }	2267	sub pre_load { }
1399	sub post_load { }	2268	#sub post_load { } # XS
1400		2269
1401	sub load {	2270	sub load {
1402	my ($self) = @_;	2271	my ($self) = @_;
1403		2272
1404	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1405		2274
1406	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1408		2279
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1410		2282
1411	$self->in_memory (cf::MAP_LOADING);
1412
1413	$self->alloc;	2283	$self->alloc;
1414		2284
1415	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1416		2287
1417	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1418	or return;	2292	or return;
1419		2293
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1421	if delete $self->{load_original};	2295	if delete $self->{load_original};
1422		2296
1423	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2298	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2301	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1428	}	2306	}
1429	}
1430		2307
1431	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1432		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1433	# now do the right thing for maps	2317	# now do the right thing for maps
1434	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2320	unless $self->difficulty;
1444	Coro::cede;	2321	cf::cede_to_tick;
1445	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1446	}	2333	}
1447		2334
1448	$self->post_load;	2335	$self->post_load;
1449		2336
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1451	}	2338	}
1452		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2343	sub customise_for {
1454	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1455		2345
1456	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2347	if $self->per_player;
1458		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1459	$self	2352	$self
1460	}
1461
1462	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {
1464	my ($map) = @_;
1465
1466	my @diag; # diagonal neighbours
1467
1468	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)
1470	or next;
1471	$neigh = find $neigh, $map
1472	or next;
1473	$neigh->load;
1474
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}
1478
1479	for (@diag) {
1480	my $neigh = find @$_
1481	or next;
1482	$neigh->load;
1483	}
1484	}	2353	}
1485		2354
1486	sub find_sync {	2355	sub find_sync {
1487	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1488		2357
1489	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1490	}	2363	}
1491		2364
1492	sub do_load_sync {	2365	sub do_load_sync {
1493	my ($map) = @_;	2366	my ($map) = @_;
1494		2367
1495	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1496	}	2373	}
1497		2374
1498	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1500		2377
1501	sub find_async {	2378	sub find_async {
1502	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1503		2380
1504	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1505		2382
1506	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1508	}	2385	}
1509		2386
1510	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1511	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1512	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2394	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2395	$map->load if $v;
		2396	}
1517		2397
1518	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1519	}	2399	}
1520	}	2400	}
1521	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1522	};	2402	};
1523	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1524		2404
1525	()	2405	()
1526	}	2406	}
1527		2407
		2408	# common code, used by both ->save and ->swapout
1528	sub save {	2409	sub _save {
1529	my ($self) = @_;	2410	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2411
1533	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1534		2413
1535	return unless $self->dirty;	2414	return unless $self->dirty;
1536		2415
…		…
1542	return if $self->{deny_save};	2421	return if $self->{deny_save};
1543		2422
1544	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1545		2424
1546	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1548	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1549		2431
1550	if ($uniq) {	2432	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2435	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2437	}
1556	}	2438	}
1557		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1558	sub swap_out {	2448	sub swap_out {
1559	my ($self) = @_;	2449	my ($self) = @_;
1560		2450
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1566	return if $self->players;	2455	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1570	$self->clear;	2466	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2467	}
1573		2468
1574	sub reset_at {	2469	sub reset_at {
1575	my ($self) = @_;	2470	my ($self) = @_;
1576		2471
1577	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1580		2474
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2477
…		…
1594	my ($self) = @_;	2488	my ($self) = @_;
1595		2489
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2491
1598	return if $self->players;	2492	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2493
1601	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
		2495
		2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
1602		2505
1603	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1604		2507
1605	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2510	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2511
1610	$self->unlink_save;	2512	$self->unlink_save;
1611	$self->destroy;	2513	$self->destroy;
1612	}	2514	}
1613		2515
1614	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1615		2517
1616	sub nuke {	2518	sub nuke {
1617	my ($self) = @_;	2519	my ($self) = @_;
1618		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1619	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1620		2525
1621	$self->unlink_save;	2526	$self->unlink_save;
1622		2527
1623	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2533
1629	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1630		2536
1631	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1632	}	2574	}
1633		2575
1634	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1635		2577
1636	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2579	instantiated unique items. May block.
1638		2580
1639	=cut	2581	=cut
1640		2582
1641	sub unique_maps() {	2583	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1643	or return;	2585	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2586	utf8::decode $_;
1649	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2589	? ()
1652	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2592	]
1654
1655	\@paths
1656	}	2593	}
1657		2594
1658	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1659		2626
1660	=back	2627	=back
1661		2628
1662	=head3 cf::object	2629	=head3 cf::object
1663		2630
…		…
1667		2634
1668	=over 4	2635	=over 4
1669		2636
1670	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1671		2638
1672	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1673		2641
1674	=cut	2642	=cut
1675		2643
1676	sub inv_recursive_;	2644	sub inv_recursive_;
1677	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1680		2648
1681	sub inv_recursive {	2649	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1683	}	2651	}
1684		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1685	package cf;	2681	package cf;
1686		2682
1687	=back	2683	=back
1688		2684
1689	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1698		2694
1699	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1700		2710
1701	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2712	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1706		2716
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2718
1709	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1711	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1714	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1715	}	2744	}
1716		2745
1717	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1718		2747
1719	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1732		2761
1733	=item $player_object->enter_link	2762	=item $player_object->enter_link
1734		2763
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2765
1737	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1739		2770
1740	Will never block.	2771	Will never block.
1741		2772
1742	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1743		2774
…		…
1763	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2795	my ($self) = @_;
1765		2796
1766	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1767		2798
		2799	++$self->{_link_recursion};
		2800
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2802
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1772		2805
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2807	}
1775		2808
1776	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1778		2813
1779	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1780		2815
1781	unless ($map) {	2816	unless ($map) {
1782	# restore original map position	2817	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1795		2830
1796	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1799		2834
1800	$map->load;	2835	$map->load;
1801	$map->load_diag;
1802		2836
1803	return unless $self->contr->active;	2837	return unless $self->contr->active;
		2838
		2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2840	if ($self->enter_map ($map, $x, $y)) {
		2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2844	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2845	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2846
1822	# try to abort aborted map switching on player login :)	2847	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2848
1840	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1842	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1843		2863
1844	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2875
1847	$self->enter_link;	2876	$self->enter_link;
1848		2877
1849	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1850	my $map = eval {	2900	my $map = eval {
1851	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1853	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2916	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1858	})->prio (1);	2924	})->prio (1);
1859	}	2925	}
1860		2926
1861	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1862		2928
…		…
1882	}	2948	}
1883		2949
1884	sub prepare_random_map {	2950	sub prepare_random_map {
1885	my ($exit) = @_;	2951	my ($exit) = @_;
1886		2952
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2955	# that depends on the exit object
1892		2956
1893	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2959	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1900	}	2966	}
1901		2967
1902	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1903		2969
1904	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1907		2973
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2976	undef $fh;
1911	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1912		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1915	}	2985	}
1916	}	2986	}
1917		2987
1918	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1920		2990
1921	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1922		2992
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2993	$self->enter_link;
1933		2994
1934	(async {	2995	(async {
1935	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1936	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
1937	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1938		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
1939	1;	3034	1
1940	}) {	3035	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1945		3040
1946	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	3042	$self->leave_link;
1948	}	3043	}
1949	})->prio (1);	3044	})->prio (1);
1950	}	3045	}
1951		3046
…		…
1962		3057
1963	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
1965		3060
1966	utf8::encode $text;	3061	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	3063	}
1969		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
		3252	=item $client->ext_msg ($type, @msg)
		3253
		3254	Sends an ext event to the client.
		3255
		3256	=cut
		3257
		3258	sub cf::client::ext_msg($$@) {
		3259	my ($self, $type, @msg) = @_;
		3260
		3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3262	}
1970		3263
1971	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
1972		3265
1973	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3269
1977	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3271	become reliable at some point in the future.
1979		3272
1980	=cut	3273	=cut
1981		3274
1982	sub cf::client::query {	3275	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3284	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3286
1994	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
1996	}	3291	}
1997		3292
1998	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
1999	on_reply => sub {	3299	on_reply => sub {
2000	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2001		3301
2002	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2003	# get handled first	3303	# get handled first
…		…
2015	} else {	3315	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3317	}
2018	}	3318	}
2019	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2020	);	3353	);
2021		3354
2022	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2023		3356
2024	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3373
2041	$coro	3374	$coro
2042	}	3375	}
2043		3376
2044	cf::client->attach (	3377	cf::client->attach (
2045	on_destroy => sub {	3378	on_client_destroy => sub {
2046	my ($ns) = @_;	3379	my ($ns) = @_;
2047		3380
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3382	},
2050	);	3383	);
…		…
2065	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2067		3400
2068	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2069		3402
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2071		3408
2072	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2073		3410
2074	=pod	3411	=pod
2075		3412
2076	The following fucntions and emthods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2077		3414
2078	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2079	cf::object::player player	3420	cf::object::player
2080	cf::player peaceful	3421	player
2081	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2082		3428
2083	=cut	3429	=cut
2084		3430
2085	for (	3431	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2090	) {	3438	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3441	for @funs;
2095	}	3442	}
2096		3443
…		…
2111		3458
2112	my $qcode = $code;	3459	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2115		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2116	local $_;	3466	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3467
2119	my $eval =	3468	my $eval =
2120	"do {\n"	3469	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3472	. $code
2124	. "\n}"	3473	. "\n}"
2125	;	3474	;
2126		3475
		3476	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2130		3485
2131	if ($@) {	3486	if ($@) {
2132	warn "$@";	3487	warn "$@",
2133	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2135	}	3490	}
2136		3491
2137	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2138	}	3493	}
2139		3494
…		…
2153	=cut	3508	=cut
2154		3509
2155	sub register_script_function {	3510	sub register_script_function {
2156	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2157		3512
2158	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2160	}	3515	}
2161		3516
2162	=back	3517	=back
2163		3518
2164	=cut	3519	=cut
2165		3520
2166	#############################################################################	3521	#############################################################################
		3522	# the server's init and main functions
2167		3523
2168	=head2 EXTENSION DATABASE SUPPORT	3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
2169		3526
2170	Crossfire maintains a very simple database for extension use. It can	3527	# internal api, not fianlised
2171	currently store anything that can be serialised using Storable, which	3528	sub set_face {
2172	excludes objects.	3529	my ($name, $type, $data) = @_;
2173		3530
2174	The parameter C<$family> should best start with the name of the extension	3531	my $idx = cf::face::find $name;
2175	using it, it should be unique.
2176		3532
2177	=over 4	3533	if ($idx) {
2178		3534	delete $FACEHASH{cf::face::get_chksum $idx};
2179	=item $hashref = cf::db_get $family	3535	} else {
2180		3536	$idx = cf::face::alloc $name;
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3537	}
2217		3538
2218	my $pid;	3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
2219		3540
2220	sub db_save() {	3541	cf::face::set_type $idx, $type;
2221	waitpid $pid, 0 if $pid;	3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
2222	if (0 == ($pid = fork)) {	3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
2223	$DB->{_meta}{version} = 1;	3544
2224	Storable::nstore $DB, "$path~";	3545	# we need to destroy the SV itself, not just overwrite,
2225	rename "$path~", $path;	3546	# as a running ix might hold a reference to it.
2226	cf::_exit 0 if defined $pid;	3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
2227	}	3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
2228	}	3593	};
		3594	}
2229		3595
2230	my $dirty;	3596	sub load_facedata($) {
		3597	my ($path) = @_;
2231		3598
2232	sub db_sync() {	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2233	db_save if $dirty;	3600
2234	undef $dirty;	3601	trace "loading facedata from $path\n";
		3602
		3603	my $facedata = decode_storable load_file "$path/faceinfo";
		3604
		3605	$facedata->{version} == 2
		3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3607
		3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
		3610
		3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3612
		3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
		3616
2235	}	3617	{
		3618	my $faces = $facedata->{faceinfo};
2236		3619
2237	my $idle = Event->idle (	3620	for my $face (sort keys %$faces) {
2238	reentrant => 0,	3621	my $info = $faces->{$face};
2239	min => 10,	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245		3623
2246	sub db_dirty() {	3624	cf::face::set_visibility $idx, $info->{visibility};
2247	$dirty = 1;	3625	cf::face::set_magicmap $idx, $info->{magicmap};
2248	$idle->start;	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
2249	}	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
2250		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2251	sub db_get($;$) {	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3630	}
2271	);
2272	}
2273		3631
2274	#############################################################################	3632	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3633	next unless $info->{smooth};
2276		3634
2277	sub cfg_load {	3635	my $idx = cf::face::find $face
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3636	or next;
2279	or return;
2280		3637
2281	local $/;	3638	if (my $smooth = cf::face::find $info->{smooth}) {
2282	*CFG = YAML::Syck::Load <$fh>;	3639	cf::face::set_smooth $idx, $smooth;
		3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3641	} else {
		3642	error "smooth face '$info->{smooth}' not found for face '$face'";
		3643	}
		3644	}
		3645	}
2283		3646
		3647	{
		3648	my $anims = $facedata->{animinfo};
		3649
		3650	while (my ($anim, $info) = each %$anims) {
		3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3652	}
		3653
		3654	cf::anim::invalidate_all; # d'oh
		3655	}
		3656
		3657	{
		3658	my $res = $facedata->{resource};
		3659
		3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
		3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3664
		3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
		3669	} else {
		3670	# $RESOURCE{$name} = $info; # unused
		3671	}
		3672	}
		3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
		3689	1
		3690	}
		3691
		3692	register_exticmd fx_want => sub {
		3693	my ($ns, $want) = @_;
		3694
		3695	while (my ($k, $v) = each %$want) {
		3696	$ns->fx_want ($k, $v);
		3697	}
		3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
		3722
		3723	sub reload_regions {
		3724	# HACK to clear player env face cache, we need some signal framework
		3725	# for this (global event?)
		3726	%ext::player_env::MUSIC_FACE_CACHE = ();
		3727
		3728	load_resource_file "$MAPDIR/regions"
		3729	or die "unable to load regions file\n";
		3730
		3731	for (cf::region::list) {
		3732	$_->{match} = qr/$_->{match}/
		3733	if exists $_->{match};
		3734	}
		3735	}
		3736
		3737	sub reload_facedata {
		3738	load_facedata $DATADIR
		3739	or die "unable to load facedata\n";
		3740	}
		3741
		3742	sub reload_archetypes {
		3743	load_resource_file "$DATADIR/archetypes"
		3744	or die "unable to load archetypes\n";
		3745
		3746	set_face "res/skill_info" => FT_RSRC,
		3747	JSON::XS->new->utf8->canonical->encode (
		3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
		3754	}
		3755
		3756	sub reload_treasures {
		3757	load_resource_file "$DATADIR/treasures"
		3758	or die "unable to load treasurelists\n";
		3759	}
		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
		3781	sub reload_resources {
		3782	trace "reloading resource files...\n";
		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
		3789	reload_regions;
		3790	reload_treasures;
		3791
		3792	trace "finished reloading resource files\n";
		3793	}
		3794
		3795	sub reload_config {
		3796	trace "reloading config file...\n";
		3797
		3798	my $config = load_file "$CONFDIR/config";
		3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
		3801
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3803
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2288		3806
2289	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2293	};	3811	};
2294	warn $@ if $@;	3812	warn $@ if $@;
2295	}	3813	}
2296	}	3814	}
2297		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
2298	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
2299	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3857	(async {
2303	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2305	};	3861	};
2306		3862
2307	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
		3877	reload_config;
		3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
2309	load_extensions;	3887	load_extensions;
2310		3888
2311	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2312	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
2313	}	3906	}
2314		3907
2315	#############################################################################	3908	#############################################################################
2316	# initialisation and cleanup	3909	# initialisation and cleanup
2317		3910
2318	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2319	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2328	},
2329	);	3917	};
		3918	}
		3919	}
		3920
		3921	sub write_runtime_sync {
		3922	my $t0 = AE::time;
		3923
		3924	# first touch the runtime file to show we are still running:
		3925	# the fsync below can take a very very long time.
		3926
		3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3928
		3929	my $guard = cf::lock_acquire "write_runtime";
		3930
		3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3932	or return;
		3933
		3934	my $value = $cf::RUNTIME + 90 + 10;
		3935	# 10 is the runtime save interval, for a monotonic clock
		3936	# 60 allows for the watchdog to kill the server.
		3937
		3938	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3939	and return;
		3940
		3941	# always fsync - this file is important
		3942	aio_fsync $fh
		3943	and return;
		3944
		3945	# touch it again to show we are up-to-date
		3946	aio_utime $fh, undef, undef;
		3947
		3948	close $fh
		3949	or return;
		3950
		3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3952	and return;
		3953
		3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3955
2330	}	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
2331	}	4007	}
2332		4008
2333	sub emergency_save() {	4009	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2335		4011
2336	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
2337		4018
2338	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2339	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	4030	$pl->save;
2347	}	4031	}
2348	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2349		4033
2350	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	4039	$map->valid or next;
2354	$map->save;	4040	$map->save;
2355	}	4041	}
2356	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
		4043
		4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
		4047	BDB::db_env_txn_checkpoint $DB_ENV;
		4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
2357	};	4072	};
2358		4073
2359	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2360	}	4075	}
2361		4076
		4077	sub post_cleanup {
		4078	my ($make_core) = @_;
		4079
		4080	IO::AIO::flush;
		4081
		4082	error Carp::longmess "post_cleanup backtrace"
		4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
		4112	}
		4113
2362	sub reload() {	4114	sub do_reload_perl() {
2363	# can/must only be called in main	4115	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
2365	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
2366	return;	4118	return;
2367	}	4119	}
2368		4120
2369	warn "reloading...";	4121	return if $RELOAD++;
2370		4122
2371	warn "cancelling server ticker";	4123	my $t1 = AE::time;
2372	$TICK_WATCHER->cancel;
2373		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
		4131	cf::sync_job {
2374	cf::emergency_save;	4132	#cf::emergency_save;
2375		4133
2376	eval {
2377	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";
2388	for (;;) {
2389	IO::AIO::flush;
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	4136	%EXT_CORO = ();
2398		4137
2399	warn "removing commands";	4138	trace "perl_reload: removing commands";
2400	%COMMAND = ();	4139	%COMMAND = ();
2401		4140
2402	warn "removing ext commands";	4141	trace "perl_reload: removing ext/exti commands";
2403	%EXTCMD = ();	4142	%EXTCMD = ();
		4143	%EXTICMD = ();
2404		4144
2405	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
2408		4148
2409	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
2410	eval {	4150	eval {
2411	$cb->($pkg);	4151	$cb->($pkg);
2412	1	4152	1
2413	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
2414	}	4158	}
2415		4159
2416	warn "... nuking $pkg";
2417	Symbol::delete_package $pkg;
2418	}
2419
2420	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2421	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		4163
2424	warn "... unloading $k";	4164	trace "... unloading $k";
2425	delete $INC{$k};	4165	delete $INC{$k};
2426		4166
2427	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
2429		4169
2430	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
2431	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
2432	}	4175	}
2433		4176
2434	Symbol::delete_package $k;
2435	}
2436
2437	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		4180
2441	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
		4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		4184
2444	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
2445	# and global variables created in xs	4186	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
2447		4188
2448	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
2449		4190
2450	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
2451	require cf;	4192	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
2453		4194
2454	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
2455	cf::cfg_load;	4196	cf::reload_config;
2456	cf::db_load;
2457		4197
2458	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
2459	cf::load_extensions;	4199	cf::load_extensions;
2460		4200
		4201	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
2462	_global_reattach;	4203	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
2464	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
		4206	trace "perl_reload: reattaching attachments to players";
		4207	reattach $_ for values %PLAYER;
		4208	}
2465		4209
2466	warn "restarting server ticker";	4210	cf::_post_init 1;
2467		4211
2468	$TICK_WATCHER->start;	4212	trace "perl_reload: leaving sync_job";
		4213
		4214	1
		4215	} or do {
		4216	error $@;
		4217	cf::cleanup "perl_reload: error, exiting.";
		4218	};
		4219
		4220	--$RELOAD;
		4221	}
		4222
		4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
		4225	};
		4226
		4227	our $RELOAD_WATCHER; # used only during reload
		4228
		4229	sub reload_perl() {
		4230	# doing reload synchronously and two reloads happen back-to-back,
		4231	# coro crashes during coro_state_free->destroy here.
		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
		4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4237	do_reload_perl;
		4238	undef $RELOAD_WATCHER;
		4239	};
2469	};	4240	};
2470		4241	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4242
2482	register_command "reload" => sub {	4243	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
2484		4245
2485	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
2487		4248	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4249	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4250	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4251	};
2500	}	4252	}
2501	};	4253	};
2502		4254
2503	unshift @INC, $LIBDIR;	4255	#############################################################################
2504		4256
2505	my $bug_warning = 0;	4257	my $bug_warning = 0;
2506		4258
2507	$TICK_WATCHER = Event->timer (	4259	sub wait_for_tick() {
2508	reentrant => 0,	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2509	parked => 1,	4261
2510	prio => 0,	4262	$WAIT_FOR_TICK->wait;
2511	at => $NEXT_TICK || $TICK,	4263	}
2512	data => WF_AUTOCANCEL,	4264
2513	cb => sub {	4265	sub wait_for_tick_begin() {
		4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4267
		4268	my $signal = new Coro::Signal;
		4269	push @WAIT_FOR_TICK_BEGIN, $signal;
		4270	$signal->wait;
		4271	}
		4272
		4273	sub tick {
2514	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
2517	return;	4277	return;
		4278	}
		4279
		4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4283
		4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4286	Coro::async_pool {
		4287	$Coro::current->{desc} = "runtime saver";
		4288	write_runtime_sync
		4289	or error "ERROR: unable to write runtime file: $!";
2518	}	4290	};
		4291	}
2519		4292
2520	$NOW = Event::time;	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2521		4294	$sig->send;
2522	cf::server_tick; # one server iteration	4295	}
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525
2526	$WAIT_FOR_TICK->broadcast;	4296	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4297
2529	Event::sweep;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	Coro::cede_notself;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4300
		4301	if (0) {
		4302	if ($NEXT_TICK) {
		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
2531		4306	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4307	}
2541	);	4308	}
2542		4309
		4310	{
		4311	# configure BDB
		4312	info "initialising database";
		4313
		4314	BDB::min_parallel 16;
		4315	BDB::max_poll_reqs $TICK * 0.1;
		4316	#$AnyEvent::BDB::WATCHER->priority (1);
		4317
		4318	unless ($DB_ENV) {
		4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4325
		4326	cf::sync_job {
		4327	eval {
		4328	BDB::db_env_open
		4329	$DB_ENV,
		4330	$BDBDIR,
		4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4333	0666;
		4334
		4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4336	};
		4337
		4338	cf::cleanup "db_env_open(db): $@" if $@;
		4339	};
		4340	}
		4341
		4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4344	};
		4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4347	};
		4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4350	};
		4351
		4352	info "database initialised";
		4353	}
		4354
		4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
		4359	IO::AIO::min_parallel 8;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
		4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
		4363	}
2544		4364
2545	undef $Coro::AIO::WATCHER;	4365	our $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (	4366	our $_log_backtrace_last;
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4367
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4368	sub _log_backtrace {
2556	reentrant => 0,	4369	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4370
2558	after => 1,	4371	$msg =~ s/\n$//;
2559	interval => 10,	4372
2560	prio => 6, # keep it lowest so it acts like a watchdog	4373	if ($_log_backtrace_last eq $msg) {
2561	cb => Coro::unblock_sub {	4374	LOG llevInfo, "[ABT] $msg\n";
2562	write_runtime	4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2563	or warn "ERROR: unable to write runtime file: $!";	4376	# limit the # of concurrent backtraces
		4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
		4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
		4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
		4384	my @bt = fork_call {
		4385	@addr = map { sprintf "%x", $_ } @addr;
		4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4388	or die "addr2line: $!";
		4389
		4390	my @funcs;
		4391	my @res = <$fh>;
		4392	chomp for @res;
		4393	while (@res) {
		4394	my ($func, $line) = splice @res, 0, 2, ();
		4395	push @funcs, "[$func] $line";
		4396	}
		4397
		4398	@funcs
		4399	};
		4400
		4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4403	LOG llevInfo, "[ABT] $_\n" for @bt;
		4404	--$_log_backtrace;
		4405	};
		4406	} else {
		4407	LOG llevInfo, "[ABT] $msg\n";
		4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2564	},	4409	}
2565	);	4410	}
		4411
		4412	# load additional modules
		4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
2566		4415
2567	END { cf::emergency_save }	4416	END { cf::emergency_save }
2568		4417
2569	1	4418	1
2570		4419

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