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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use IO::AIO ();
		63	use Compress::LZF;
		64	use Digest::MD5 ();
27		65
28	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" };
29		81
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		83
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		85
37	our %COMMAND = ();	86	our %COMMAND = ();
38	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
39		88
40	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
44		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	98	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
47		101
48	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	103
50	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
51	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
52	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;
53	our $NOW;	144	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		145
56	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
57	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
58
59	our %CFG;
60
61	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;
63
64	our %PLAYER; # all users
65	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		149
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
76	binmode STDOUT;	166	binmode STDOUT;
77	binmode STDERR;	167	binmode STDERR;
78		168
79	# read virtual server time, if available	169	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
84	}	174	}
85		175
86	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	177
88	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		180
93	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
94		182
95	sub cf::map::normalise;	183	sub cf::map::normalise;
96		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
97	#############################################################################	189	#############################################################################
98		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
99	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
100		203
101	=over 4	204	=over 4
102		205
103	=item $cf::UPTIME	206	=item $cf::UPTIME
104		207
105	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.
106		224
107	=item $cf::RUNTIME	225	=item $cf::RUNTIME
108		226
109	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
110	every server tick.	228	every server tick.
111		229
112	=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
113		233
114	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		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
117	=item $cf::NOW	245	=item $cf::LOAD
118		246
119	The time of the last (current) server tick.	247	The raw value load value from the last tick.
120
121	=item $cf::TICK
122
123	The interval between server ticks, in seconds.
124		248
125	=item %cf::CFG	249	=item %cf::CFG
126		250
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	252	from wherever your confdir points to.
129		253
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		255
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
134	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
135	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
136		289
137	=back	290	=back
138		291
139	=cut	292	=cut
140		293
141	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	301	my $msg = join "", @_;
144	utf8::encode $msg;
145		302
146	$msg .= "\n"	303	$msg .= "\n"
147	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
148		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
149	LOG llevError, $msg;	308	LOG llevWarn, $msg;
150	};	309	};
151	}	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	};
152		324
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		332
160	# 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
161	# within the Safe compartment.	334	# within the Safe compartment.
162	for my $pkg (qw(	335	for my $pkg (qw(
163	cf::global cf::attachable	336	cf::global cf::attachable
164	cf::object cf::object::player	337	cf::object cf::object::player
165	cf::client cf::player	338	cf::client cf::player
166	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
167	cf::map cf::party cf::region	341	cf::party cf::region
168	)) {	342	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	344	}
172		345
173	$Event::DIED = sub {	346	$EV::DIED = sub {
174	warn "error in event callback: @_";	347	warn "error in event callback: $@";
175	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
176		356
177	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
178		358
179	=over 4	359	=over 4
180		360
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	380	$d
201	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
202	}	382	}
203		383
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
205		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
206	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
207		437
208	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
209		439
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
218		441
219	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
220		443
221	=cut	444	=cut
222		445
223	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
225	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	}
226	}	511	}
227		512
228	=item cf::lock_wait $string	513	=item cf::lock_wait $string
229		514
230	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
231		516
232	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
233		518
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
237	returned.	522	returned.
238		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
239	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
240	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
241		529
242	=cut	530	=item $locked = cf::lock_active $string
243		531
244	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
245		537
246	sub lock_wait($) {	538	sub lock_wait($) {
247	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	540	}
255		541
256	sub lock_acquire($) {	542	sub lock_acquire($) {
257	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
258		545
259	# wait, to be sure we are not locked	546	sub lock_active($) {
260	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	548	}
269		549
270	sub freeze_mainloop {	550	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
272		552
273	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	554	}
275	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
276	};	623	}
277	$WRITE_RUNTIME_WATCHER->stop;	624	};
278	$TICK_WATCHER->stop;	625
279	$guard	626	sub get_slot($;$$) {
		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	$sig->wait;
280	}	639	}
281		640
282	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
283		642
284	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		648
290	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
291		650
292	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
293		652
294	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
297		657
298	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
301	fast or be very important.	661	fast or be very important.
…		…
303	=cut	663	=cut
304		664
305	sub sync_job(&) {	665	sub sync_job(&) {
306	my ($job) = @_;	666	my ($job) = @_;
307		667
308	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
309	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
311		673
312	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	675
314	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
315		677
316	my $busy = 1;	678	my $busy = 1;
317	my @res;	679	my @res;
318		680
319	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	683	@res = eval { $job->() };
321	warn $@ if $@;	684	error $@ if $@;
322	undef $busy;	685	undef $busy;
323	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
324		687
325	while ($busy) {	688	while ($busy) {
326	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
327	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
328		699
329	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
330	} else {	701	} else {
331	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
332		703
…		…
352	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
353		724
354	$coro	725	$coro
355	}	726	}
356		727
357	sub write_runtime {	728	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		729
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	730	Executes the given code block with the given arguments in a seperate
361	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.
362		734
363	my $value = $cf::RUNTIME + 90 + 10;	735	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		736
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	737	sub post_fork {
368	and return;	738	reset_signals;
		739	}
369		740
370	# always fsync - this file is important	741	sub fork_call(&@) {
371	aio_fsync $fh	742	my ($cb, @args) = @_;
372	and return;
373		743
374	close $fh	744	# we seemingly have to make a local copy of the whole thing,
375	or return;	745	# otherwise perl prematurely frees the stuff :/
		746	# TODO: investigate and fix (likely this will be rather laborious)
376		747
377	aio_rename "$runtime~", $runtime	748	my @res = Coro::Util::fork_eval {
378	and return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
379		752
		753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
380	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 });
381	}	931	}
382		932
383	=back	933	=back
384		934
385	=cut	935	=cut
386		936
387	#############################################################################	937	#############################################################################
388		938
389	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
390		940
391	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
392	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")
393	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
394		944
395	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>
396	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
397	crossfire+).	947	Deliantra).
398		948
399	=over 4	949	=over 4
400		950
401	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
402		952
…		…
446	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
447		997
448	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
450		1000
451	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		1003
454	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
455		1005
456	=over 4	1006	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
566		1116
567	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1121
572	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
574		1124
575	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
580		1130
581	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1133
584	} elsif (ref $type) {	1134	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
586		1136
587	} else {	1137	} else {
588	shift @arg;	1138	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
590	}	1140	}
591	}	1141	}
592	}	1142	}
593		1143
594	sub _object_attach {	1144	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
605	}	1155	}
606		1156
607	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
608	} else {	1158	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1160	}
611		1161
612	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
613	}	1163	}
614		1164
…		…
616	if (ref $_[0]) {	1166	if (ref $_[0]) {
617	_object_attach @_;	1167	_object_attach @_;
618	} else {	1168	} else {
619	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
620	}	1170	}
		1171	_recalc_want;
621	};	1172	};
622		1173
623	# all those should be optimised	1174	# all those should be optimised
624	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1180	reattach ($obj);
630	} else {	1181	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
632	}	1183	}
		1184	_recalc_want;
633	};	1185	};
634		1186
635	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
637		1189
…		…
652	";	1204	";
653	die if $@;	1205	die if $@;
654	}	1206	}
655		1207
656	our $override;	1208	our $override;
657	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?
658		1210
659	sub override {	1211	sub override {
660	$override = 1;	1212	$override = 1;
661	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
662	}	1214	}
663		1215
664	sub do_invoke {	1216	sub do_invoke {
665	my $event = shift;	1217	my $event = shift;
666	my $callbacks = shift;	1218	my $callbacks = shift;
667		1219
668	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
669		1221
670	local $override;	1222	local $override;
671		1223
672	for (@$callbacks) {	1224	for (@$callbacks) {
673	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
674		1226
675	if ($@) {	1227	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1229	override;
679	}	1230	}
680		1231
681	return 1 if $override;	1232	return 1 if $override;
682	}	1233	}
683		1234
684	0	1235	0
685	}	1236	}
686		1237
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1239
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1241
691	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
692		1243
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1247
697	=back	1248	=back
698		1249
699	=cut	1250	=cut
700		1251
701	#############################################################################	1252	#############################################################################
702	# 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, $ob2
		1295	}
703		1296
704	sub reattach {	1297	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1299	my ($obj) = @_;
707		1300
		1301	# no longer needed after getting rid of delete_package?
708	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
709		1303
710	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
711		1305
712	@$registry = ();	1306	@$registry = ();
713		1307
…		…
718	for (@$attach) {	1312	for (@$attach) {
719	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
721	}	1315	}
722	} else {	1316	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1318	}
725	}	1319	}
726	}	1320	}
727		1321
728	cf::attachable->attach (	1322	cf::attachable->attach (
729	prio => -1000000,	1323	prio => -1000000,
730	on_instantiate => sub {	1324	on_instantiate => sub {
731	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
732		1326
733	$data = from_json $data;	1327	$data = decode_json $data;
734		1328
735	for (@$data) {	1329	for (@$data) {
736	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
737		1331
738	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1348	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
756		1350
757	sync_job {	1351	sync_job {
758	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
761		1357
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
766	close $fh;	1365	aio_close $fh;
767		1366
768	if (@$objs) {	1367	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
774	close $fh;	1376	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
776	}	1378	}
777	} else {	1379	} else {
778	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
779	}	1381	}
780		1382
781	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1387	} else {
783	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
784	}	1389	}
785	} else {	1390	} else {
786	aio_unlink $filename;	1391	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
788	}	1393	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1394	};
796	}	1395	}
797		1396
798	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
800		1399
…		…
805		1404
806	sub object_thawer_load {	1405	sub object_thawer_load {
807	my ($filename) = @_;	1406	my ($filename) = @_;
808		1407
809	my ($data, $av);	1408	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1409
814	(aio_load $filename, $data) >= 0	1410	(aio_load $filename, $data) >= 0
815	or return;	1411	or return;
816		1412
817	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
819	or return;	1415	or return;
		1416
820	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
821	}	1419	}
822		1420
		1421	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
825	return ($data, $av);	1426	($data, $av)
826	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
827		1434
828	#############################################################################	1435	#############################################################################
829	# command handling &c	1436	# command handling &c
830		1437
831	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
832		1439
833	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
834	$name.	1441	$name.
835		1442
836	=cut	1443	=cut
…		…
842	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
843		1450
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1452	}
846		1453
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
848		1455
849	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.
850		1461
851	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
852	called.
853		1463
854	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
855		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$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
856	sub register_extcmd {	1486	sub register_extcmd($$) {
857	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
858		1488
859	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
860	}	1490	}
861		1491
		1492	sub register_async_extcmd($$) {
		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} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
862	cf::player->attach (	1512	cf::player->attach (
863	on_command => sub {	1513	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
865		1515
866	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
867	or return;	1517	or return;
868		1518
…		…
873	cf::override;	1523	cf::override;
874	},	1524	},
875	on_extcmd => sub {	1525	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
877		1527
878	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1529
880	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
883	$pl->ext_reply ($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);
884	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
885	}	1551	}
		1552
886	} else {	1553	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1555	}
889		1556
890	cf::override;	1557	cf::override;
891	},	1558	},
892	);	1559	);
893		1560
		1561	# "readahead" all extensions
894	sub load_extension {	1562	sub cache_extensions {
895	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
896		1564
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1568	}
922	die $@;
923	}	1569	};
924		1570
925	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;
926	}	1583	}
927		1584
928	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
929	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1594	next unless -r $path;
931	eval {	1595
932	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 $active;
		1667	}
933	1	1668	}
934	} or warn "$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	}
935	}	1681	};
936	}	1682	}
937		1683
938	#############################################################################	1684	#############################################################################
939		1685
		1686	=back
		1687
940	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
941		1689
942	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
943		1691
944	=cut	1692	=cut
945		1693
946	package cf::player;	1694	package cf::player;
947		1695
…		…
949		1697
950	=head3 cf::player	1698	=head3 cf::player
951		1699
952	=over 4	1700	=over 4
953		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
954	=item cf::player::find $login	1716	=item cf::player::find $login
955		1717
956	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
957		1719
958	=cut	1720	=cut
959		1721
960	sub playerdir($) {	1722	sub playerdir($) {
961	cf::localdir	1723	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1725	}
967		1726
968	sub path($) {	1727	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1729
971	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
972	}	1731	}
973		1732
974	sub find_active($) {	1733	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
979		1738
980	sub exists($) {	1739	sub exists($) {
981	my ($login) = @_;	1740	my ($login) = @_;
982		1741
983	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
985	}	1744	}
986		1745
987	sub find($) {	1746	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1748	my $login = $_[0];
990		1749
991	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
992		1751
993	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
997	}	1769	}
998	}	1770	}
999	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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	);
1000		1785
1001	sub save($) {	1786	sub save($) {
1002	my ($pl) = @_;	1787	my ($pl) = @_;
1003		1788
1004	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1010		1795
1011	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1013		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
1014	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1015	Coro::cede;	1805	cf::cede_to_tick;
1016	}	1806	}
1017		1807
1018	sub new($) {	1808	sub new($) {
1019	my ($login) = @_;	1809	my ($login) = @_;
1020		1810
…		…
1026	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1027		1817
1028	$self	1818	$self
1029	}	1819	}
1030		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
1031	=item $pl->quit_character	1831	=item $pl->quit_character
1032		1832
1033	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1035		1835
1036	=cut	1836	=cut
1037		1837
1038	sub quit_character {	1838	sub quit_character {
1039	my ($pl) = @_;	1839	my ($pl) = @_;
1040		1840
		1841	my $name = $pl->ob->name;
		1842
1041	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1042	$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
1043		1845
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1047	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1048		1854
1049	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1858	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1881	}
1056		1882
1057	=item cf::player::list_logins	1883	=item cf::player::list_logins
1058		1884
1059	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
1060	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1061		1887
1062	=cut	1888	=cut
1063		1889
1064	sub list_logins {	1890	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1892	or return [];
1067		1893
1068	my @logins;	1894	my @logins;
1069		1895
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1074		1906
1075	utf8::decode $login;	1907	utf8::decode $login;
1076	push @logins, $login;	1908	push @logins, $login;
1077	}	1909	}
1078		1910
1079	\@logins	1911	\@logins
1080	}	1912	}
1081		1913
1082	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1083		1917
1084	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1085	player. May block.	1919	player. May block.
1086		1920
1087	=cut	1921	=cut
…		…
1105	}	1939	}
1106		1940
1107	\@paths	1941	\@paths
1108	}	1942	}
1109		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1111		1949
1112	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1113		1951
1114	=cut	1952	=cut
1115		1953
1116	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1117	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1118		1956
1119	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1958	}
1123		1959
1124	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	}
1125		1990
1126	=back	1991	=back
1127
1128		1992
1129	=head3 cf::map	1993	=head3 cf::map
1130		1994
1131	=over 4	1995	=over 4
1132		1996
…		…
1144	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1146		2010
1147	sub generate_random_map {	2011	sub generate_random_map {
1148	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1150	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	2017	}
1164		2018
1165	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1166		2020
1167	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
…		…
1172		2026
1173	sub register {	2027	sub register {
1174	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	2029	my $pkg = caller;
1176		2030
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		2032
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	2034	}
1182		2035
1183	# also paths starting with '/'	2036	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		2038
1186	sub thawer_merge {	2039	sub thawer_merge {
1187	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1188		2041
1189	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1190	local $self->{path};	2043	local $self->{path};
1191	local $self->{load_path};	2044	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		2045
1195	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1196	}	2047	}
1197		2048
1198	sub normalise {	2049	sub normalise {
1199	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1200		2051
1201	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1202		2053
1203	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1204		2055
1205	# map plan:	2056	# map plan:
1206	#	2057	#
…		…
1221	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	2073	$path = "$base/$path";
1223	}	2074	}
1224		2075
1225	for ($path) {	2076	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1229	}	2079	}
1230		2080
1231	$path	2081	$path
…		…
1245	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1246	return $self;	2096	return $self;
1247	}	2097	}
1248	}	2098	}
1249		2099
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2101	()
1252	}	2102	}
1253		2103
		2104	# may re-bless or do other evil things
1254	sub init {	2105	sub init {
1255	my ($self) = @_;	2106	my ($self) = @_;
1256		2107
1257	$self	2108	$self
1258	}	2109	}
…		…
1270		2121
1271	# the original (read-only) location	2122	# the original (read-only) location
1272	sub load_path {	2123	sub load_path {
1273	my ($self) = @_;	2124	my ($self) = @_;
1274		2125
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1276	}	2127	}
1277		2128
1278	# the temporary/swap location	2129	# the temporary/swap location
1279	sub save_path {	2130	sub save_path {
1280	my ($self) = @_;	2131	my ($self) = @_;
1281		2132
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1284	}	2135	}
1285		2136
1286	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1287	sub uniq_path {	2138	sub uniq_path {
1288	my ($self) = @_;	2139	my ($self) = @_;
1289		2140
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1292	}	2143	}
1293		2144
1294	# and all this just because we cannot iterate over	2145	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2146	my ($self) = @_;
1298		2147
1299	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1301	}	2151	}
1302		2152
1303	sub unlink_save {	2153	sub unlink_save {
1304	my ($self) = @_;	2154	my ($self) = @_;
1305		2155
1306	utf8::encode (my $save = $self->save_path);	2156	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2157	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2158	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2159	}
1315		2160
1316	sub load_header_from($) {	2161	sub load_header_from($) {
1317	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1318		2163
1319	utf8::encode $path;	2164	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2166	or return;
1325		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1326	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1327		2175
1328	1	2176	1
1329	}	2177	}
1330		2178
		2179	# used to laod the header of an original map
1331	sub load_header_orig {	2180	sub load_header_orig {
1332	my ($self) = @_;	2181	my ($self) = @_;
1333		2182
1334	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1335	}	2184	}
1336		2185
		2186	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2187	sub load_header_temp {
1338	my ($self) = @_;	2188	my ($self) = @_;
1339		2189
1340	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1341	}	2191	}
1342		2192
		2193	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2194	sub prepare_temp {
1344	my ($self) = @_;	2195	my ($self) = @_;
1345		2196
1346	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1348	# safety	2199	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2202	}
1352		2203
		2204	# called after loading the header from an original map
1353	sub prepare_orig {	2205	sub prepare_orig {
1354	my ($self) = @_;	2206	my ($self) = @_;
1355		2207
1356	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2220	$self->load_header_orig
1369	or return;	2221	or return;
1370	$self->prepare_orig;	2222	$self->prepare_orig;
1371	}	2223	}
1372		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 $self->default_region;
		2230
1373	1	2231	1
1374	}	2232	}
1375		2233
1376	sub find;	2234	sub find;
1377	sub find {	2235	sub find {
1378	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1379		2237
		2238	cf::cede_to_tick;
		2239
1380	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1381		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2244
1384	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1387	or return;	2247	or return;
1388		2248
1389	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1390		2250
1391	$map->load_header	2251	$map->load_header
1392	or return;	2252	or return;
1393		2253
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1397	$map->reset;	2259	$map->reset;
1398	undef $guard;
1399	return find $path;	2260	return find $path;
1400	}	2261	}
1401		2262
1402	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1403	}	2264	}
1404	}	2265	}
1405		2266
1406	sub pre_load { }	2267	sub pre_load { }
1407	sub post_load { }	2268	#sub post_load { } # XS
1408		2269
1409	sub load {	2270	sub load {
1410	my ($self) = @_;	2271	my ($self) = @_;
1411		2272
1412	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1413		2274
1414	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1416		2279
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1418		2282
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2283	$self->alloc;
1422		2284
1423	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1424		2287
1425	$self->_load_objects ($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)
1426	or return;	2292	or return;
1427		2293
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1429	if delete $self->{load_original};	2295	if delete $self->{load_original};
1430		2296
1431	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2298	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2301	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1436	}	2306	}
1437	}
1438		2307
1439	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1440		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1441	# now do the right thing for maps	2317	# now do the right thing for maps
1442	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2320	unless $self->difficulty;
1452	Coro::cede;	2321	cf::cede_to_tick;
1453	$self->activate;	2322
		2323	unless ($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);
1454	}	2333	}
1455		2334
1456	$self->post_load;	2335	$self->post_load;
1457		2336
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1459	}	2338	}
1460		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2343	sub customise_for {
1462	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1463		2345
1464	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2347	if $self->per_player;
1466		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1467	$self	2352	$self
1468	}
1469
1470	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {
1472	my ($map) = @_;
1473
1474	my @diag; # diagonal neighbours
1475
1476	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)
1478	or next;
1479	$neigh = find $neigh, $map
1480	or next;
1481	$neigh->load;
1482
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}
1486
1487	for (@diag) {
1488	my $neigh = find @$_
1489	or next;
1490	$neigh->load;
1491	}
1492	}	2353	}
1493		2354
1494	sub find_sync {	2355	sub find_sync {
1495	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1496		2357
1497	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, $origin
1498	}	2363	}
1499		2364
1500	sub do_load_sync {	2365	sub do_load_sync {
1501	my ($map) = @_;	2366	my ($map) = @_;
1502		2367
1503	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;
1504	}	2373	}
1505		2374
1506	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1508		2377
1509	sub find_async {	2378	sub find_async {
1510	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1511		2380
1512	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1513		2382
1514	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1516	}	2385	}
1517		2386
1518	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1519	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1520	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2394	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2395	$map->load if $v;
		2396	}
1525		2397
1526	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1527	}	2399	}
1528	}	2400	}
1529	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1530	};	2402	};
1531	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1532		2404
1533	()	2405	()
1534	}	2406	}
1535		2407
		2408	# common code, used by both ->save and ->swapout
1536	sub save {	2409	sub _save {
1537	my ($self) = @_;	2410	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2411
1541	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1542		2413
1543	return unless $self->dirty;	2414	return unless $self->dirty;
1544		2415
…		…
1550	return if $self->{deny_save};	2421	return if $self->{deny_save};
1551		2422
1552	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1553		2424
1554	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1556	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1557		2431
1558	if ($uniq) {	2432	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2435	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2437	}
1564	}	2438	}
1565		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1566	sub swap_out {	2448	sub swap_out {
1567	my ($self) = @_;	2449	my ($self) = @_;
1568		2450
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1574	return if $self->players;	2455	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		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
1578	$self->clear;	2466	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2467	}
1581		2468
1582	sub reset_at {	2469	sub reset_at {
1583	my ($self) = @_;	2470	my ($self) = @_;
1584		2471
1585	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1588		2474
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2477
…		…
1602	my ($self) = @_;	2488	my ($self) = @_;
1603		2489
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2491
1606	return if $self->players;	2492	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2493
1609	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	}
1610		2505
1611	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1612		2507
1613	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2510	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2511
1618	$self->unlink_save;	2512	$self->unlink_save;
1619	$self->destroy;	2513	$self->destroy;
1620	}	2514	}
1621		2515
1622	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1623		2517
1624	sub nuke {	2518	sub nuke {
1625	my ($self) = @_;	2519	my ($self) = @_;
1626		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1627	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1628		2525
1629	$self->unlink_save;	2526	$self->unlink_save;
1630		2527
1631	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2533
1637	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1638		2536
1639	$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	]
1640	}	2574	}
1641		2575
1642	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1643		2577
1644	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2579	instantiated unique items. May block.
1646		2580
1647	=cut	2581	=cut
1648		2582
1649	sub unique_maps() {	2583	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1651	or return;	2585	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2586	utf8::decode $_;
1657	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2589	? ()
1660	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2592	]
1662
1663	\@paths
1664	}	2593	}
1665		2594
1666	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	}
1667		2626
1668	=back	2627	=back
1669		2628
1670	=head3 cf::object	2629	=head3 cf::object
1671		2630
…		…
1675		2634
1676	=over 4	2635	=over 4
1677		2636
1678	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1679		2638
1680	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.
1681		2641
1682	=cut	2642	=cut
1683		2643
1684	sub inv_recursive_;	2644	sub inv_recursive_;
1685	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1688		2648
1689	sub inv_recursive {	2649	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1691	}	2651	}
1692		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1693	package cf;	2681	package cf;
1694		2682
1695	=back	2683	=back
1696		2684
1697	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1703	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>
1704	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
1705	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1706		2694
1707	=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	};
1708		2710
1709	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2712	# with dialog boxes.
1711	#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
1712	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1714		2716
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2718
1717	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1722	}	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 (@_);
1723	}	2744	}
1724		2745
1725	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1726		2747
1727	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1740		2761
1741	=item $player_object->enter_link	2762	=item $player_object->enter_link
1742		2763
1743	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}>).
1744		2765
1745	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.
1746	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.
1747		2770
1748	Will never block.	2771	Will never block.
1749		2772
1750	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1751		2774
…		…
1771	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2795	my ($self) = @_;
1773		2796
1774	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1775		2798
		2799	++$self->{_link_recursion};
		2800
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2802
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1780		2805
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2807	}
1783		2808
1784	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1786		2813
1787	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1788		2815
1789	unless ($map) {	2816	unless ($map) {
1790	# restore original map position	2817	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1803		2830
1804	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1807		2834
1808	$map->load;	2835	$map->load;
1809	$map->load_diag;
1810		2836
1811	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
1812	$self->activate_recursive;	2844	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2845	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2846
1830	# try to abort aborted map switching on player login :)	2847	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2848
1848	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		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
1850	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1851		2863
1852	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1853	my ($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;
1854		2875
1855	$self->enter_link;	2876	$self->enter_link;
1856		2877
1857	(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
1858	my $map = eval {	2900	my $map = eval {
1859	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2916	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1866	})->prio (1);	2924	})->prio (1);
1867	}	2925	}
1868		2926
1869	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1870		2928
…		…
1890	}	2948	}
1891		2949
1892	sub prepare_random_map {	2950	sub prepare_random_map {
1893	my ($exit) = @_;	2951	my ($exit) = @_;
1894		2952
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2955	# that depends on the exit object
1900		2956
1901	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2959	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1908	}	2966	}
1909		2967
1910	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1911		2969
1912	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1915		2973
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2976	undef $fh;
1919	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1920		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1923	}	2985	}
1924	}	2986	}
1925		2987
1926	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1928		2990
1929	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1930		2992
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2993	$self->enter_link;
1941		2994
1942	(async {	2995	(async {
1943	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1944	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
1945	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1946		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
1947	1;	3034	1
1948	}) {	3035	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1953		3040
1954	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	3042	$self->leave_link;
1956	}	3043	}
1957	})->prio (1);	3044	})->prio (1);
1958	}	3045	}
1959		3046
…		…
1970		3057
1971	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
1973		3060
1974	utf8::encode $text;	3061	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	3063	}
1977		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	}
1978		3263
1979	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
1980		3265
1981	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		3269
1985	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
1986	reliable at some point in the future.	3271	become reliable at some point in the future.
1987		3272
1988	=cut	3273	=cut
1989		3274
1990	sub cf::client::query {	3275	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3284	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3286
2002	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2004	}	3291	}
2005		3292
2006	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	},
2007	on_reply => sub {	3299	on_reply => sub {
2008	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2009		3301
2010	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2011	# get handled first	3303	# get handled first
…		…
2023	} else {	3315	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3317	}
2026	}	3318	}
2027	},	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	},
2028	);	3353	);
2029		3354
2030	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2031		3356
2032	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3373
2049	$coro	3374	$coro
2050	}	3375	}
2051		3376
2052	cf::client->attach (	3377	cf::client->attach (
2053	on_destroy => sub {	3378	on_client_destroy => sub {
2054	my ($ns) = @_;	3379	my ($ns) = @_;
2055		3380
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3382	},
2058	);	3383	);
…		…
2073	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2075		3400
2076	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2077		3402
2078	$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	));
2079		3408
2080	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2081		3410
2082	=pod	3411	=pod
2083		3412
2084	The following fucntions and emthods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2085		3414
2086	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
2087	cf::object::player player	3420	cf::object::player
2088	cf::player peaceful	3421	player
2089	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2090		3428
2091	=cut	3429	=cut
2092		3430
2093	for (	3431	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2098	) {	3438	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3441	for @funs;
2103	}	3442	}
2104		3443
…		…
2119		3458
2120	my $qcode = $code;	3459	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2123		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2124	local $_;	3466	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3467
2127	my $eval =	3468	my $eval =
2128	"do {\n"	3469	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3472	. $code
2132	. "\n}"	3473	. "\n}"
2133	;	3474	;
2134		3475
		3476	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	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	}
2138		3485
2139	if ($@) {	3486	if ($@) {
2140	warn "$@";	3487	warn "$@",
2141	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2143	}	3490	}
2144		3491
2145	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2146	}	3493	}
2147		3494
…		…
2161	=cut	3508	=cut
2162		3509
2163	sub register_script_function {	3510	sub register_script_function {
2164	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2165		3512
2166	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2168	}	3515	}
2169		3516
2170	=back	3517	=back
2171		3518
2172	=cut	3519	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3520
2282	#############################################################################	3521	#############################################################################
2283	# the server's init and main functions	3522	# the server's init and main functions
2284		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
		3601	sub load_facedata($) {
		3602	my ($path) = @_;
		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
		3606	trace "loading facedata from $path\n";
		3607
		3608	my $facedata = decode_storable load_file "$path/faceinfo";
		3609
		3610	$facedata->{version} == 2
		3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3612
		3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
		3621
		3622	{
		3623	my $faces = $facedata->{faceinfo};
		3624
		3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
		3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3628
		3629	cf::face::set_visibility $idx, $info->{visibility};
		3630	cf::face::set_magicmap $idx, $info->{magicmap};
		3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
		3636	}
		3637
		3638	while (my ($face, $info) = each %$faces) {
		3639	next unless $info->{smooth};
		3640
		3641	my $idx = cf::face::find $face
		3642	or next;
		3643
		3644	if (my $smooth = cf::face::find $info->{smooth}) {
		3645	cf::face::set_smooth $idx, $smooth;
		3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3647	} else {
		3648	error "smooth face '$info->{smooth}' not found for face '$face'";
		3649	}
		3650	}
		3651	}
		3652
		3653	{
		3654	my $anims = $facedata->{animinfo};
		3655
		3656	while (my ($anim, $info) = each %$anims) {
		3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3658	}
		3659
		3660	cf::anim::invalidate_all; # d'oh
		3661	}
		3662
		3663	{
		3664	my $res = $facedata->{resource};
		3665
		3666	while (my ($name, $info) = each %$res) {
		3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
		3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3670
		3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
		3677	} else {
		3678	# $RESOURCE{$name} = $info; # unused
		3679	}
		3680	}
		3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
		3697	1
		3698	}
		3699
		3700	register_exticmd fx_want => sub {
		3701	my ($ns, $want) = @_;
		3702
		3703	while (my ($k, $v) = each %$want) {
		3704	$ns->fx_want ($k, $v);
		3705	}
		3706	};
		3707
2285	sub load_resources {	3708	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
		3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
		3737	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3738	or die "unable to load regions file\n";
2288	}
2289		3739
2290	sub cfg_load {	3740	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3741	$_->{match} = qr/$_->{match}/
2292	or return;	3742	if exists $_->{match};
		3743	}
		3744	}
2293		3745
2294	local $/;	3746	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3747	load_facedata $DATADIR
		3748	or die "unable to load facedata\n";
		3749	}
2296		3750
		3751	sub reload_archetypes {
		3752	load_resource_file "$DATADIR/archetypes"
		3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
		3766	}
		3767
		3768	sub reload_treasures {
		3769	load_resource_file "$DATADIR/treasures"
		3770	or die "unable to load treasurelists\n";
		3771	}
		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
		3793	sub reload_resources {
		3794	trace "reloading resource files...\n";
		3795
		3796	reload_materials;
		3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
		3800	reload_archetypes;
		3801	reload_regions;
		3802	reload_treasures;
		3803
		3804	trace "finished reloading resource files\n";
		3805	}
		3806
		3807	sub reload_config {
		3808	trace "reloading config file...\n";
		3809
		3810	my $config = load_file "$CONFDIR/config";
		3811	utf8::decode $config;
		3812	*CFG = decode_yaml $config;
		3813
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3815
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3818
2302	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2306	};	3823	};
2307	warn $@ if $@;	3824	warn $@ if $@;
2308	}	3825	}
2309	}	3826	}
2310		3827
2311	sub init {	3828	sub pidfile() {
2312	load_resources;	3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3854	}
2314		3855
2315	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2316	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3869	(async {
2320	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2322	};	3873	};
2323		3874
2324	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
		3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
2326	load_extensions;	3899	load_extensions;
2327		3900
2328	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
2330	}	3918	}
2331		3919
2332	#############################################################################	3920	#############################################################################
2333	# initialisation and cleanup	3921	# initialisation and cleanup
2334		3922
2335	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
2336	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
2345	},
2346	);	3929	};
		3930	}
		3931	}
		3932
		3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
		3936	# first touch the runtime file to show we are still running:
		3937	# the fsync below can take a very very long time.
		3938
		3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3940
		3941	my $guard = cf::lock_acquire "write_runtime";
		3942
		3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3944	or return;
		3945
		3946	my $value = $cf::RUNTIME + 90 + 10;
		3947	# 10 is the runtime save interval, for a monotonic clock
		3948	# 60 allows for the watchdog to kill the server.
		3949
		3950	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3951	and return;
		3952
		3953	# always fsync - this file is important
		3954	aio_fsync $fh
		3955	and return;
		3956
		3957	# touch it again to show we are up-to-date
		3958	aio_utime $fh, undef, undef;
		3959
		3960	close $fh
		3961	or return;
		3962
		3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3964	and return;
		3965
		3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3967
2347	}	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
2348	}	4019	}
2349		4020
2350	sub emergency_save() {	4021	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
2352		4023
2353	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
2354		4030
2355	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
2356	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	4042	$pl->save;
2364	}	4043	}
2365	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
2366		4045
2367	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	4051	$map->valid or next;
2371	$map->save;	4052	$map->save;
2372	}	4053	}
2373	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
		4055
		4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
		4059	BDB::db_env_txn_checkpoint $DB_ENV;
		4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
2374	};	4084	};
2375		4085
2376	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
2377	}	4087	}
2378		4088
		4089	sub post_cleanup {
		4090	my ($make_core) = @_;
		4091
		4092	IO::AIO::flush;
		4093
		4094	error Carp::longmess "post_cleanup backtrace"
		4095	if $make_core;
		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
		4124	}
		4125
2379	sub reload() {	4126	sub do_reload_perl() {
2380	# can/must only be called in main	4127	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
2382	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
2383	return;	4130	return;
2384	}	4131	}
2385		4132
2386	warn "reloading...";	4133	return if $RELOAD++;
2387		4134
2388	warn "cancelling server ticker";	4135	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
		4143	cf::sync_job {
2391	cf::emergency_save;	4144	#cf::emergency_save;
2392		4145
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	4148	%EXT_CORO = ();
2415		4149
2416	warn "removing commands";	4150	trace "perl_reload: removing commands";
2417	%COMMAND = ();	4151	%COMMAND = ();
2418		4152
2419	warn "removing ext commands";	4153	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	4154	%EXTCMD = ();
		4155	%EXTICMD = ();
2421		4156
2422	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
2425		4160
2426	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
2427	eval {	4162	eval {
2428	$cb->($pkg);	4163	$cb->($pkg);
2429	1	4164	1
2430	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
2431	}	4170	}
2432		4171
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4175
2441	warn "... unloading $k";	4176	trace "... unloading $k";
2442	delete $INC{$k};	4177	delete $INC{$k};
2443		4178
2444	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
2446		4181
2447	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
2449	}	4187	}
2450		4188
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4192
2458	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
		4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4196
2461	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4198	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
2464		4200
2465	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
2466		4202
2467	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
2468	require cf;	4204	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
2470		4206
2471	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4208	cf::reload_config;
2473	cf::db_load;
2474		4209
2475	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4211	cf::load_extensions;
2477		4212
		4213	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4215	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
		4218	trace "perl_reload: reattaching attachments to players";
		4219	reattach $_ for values %PLAYER;
		4220	}
2482		4221
2483	warn "loading reloadable resources";	4222	cf::_post_init 1;
2484	load_resources;
2485		4223
2486	warn "restarting server ticker";	4224	trace "perl_reload: leaving sync_job";
2487		4225
2488	$TICK_WATCHER->start;	4226	1
		4227	} or do {
		4228	error $@;
		4229	cf::cleanup "perl_reload: error, exiting.";
		4230	};
		4231
		4232	--$RELOAD;
		4233	}
		4234
		4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
		4237	};
		4238
		4239	our $RELOAD_WATCHER; # used only during reload
		4240
		4241	sub reload_perl() {
		4242	# doing reload synchronously and two reloads happen back-to-back,
		4243	# coro crashes during coro_state_free->destroy here.
		4244
		4245	$RELOAD_WATCHER ||= cf::async {
		4246	Coro::AIO::aio_wait cache_extensions;
		4247
		4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4249	do_reload_perl;
		4250	undef $RELOAD_WATCHER;
		4251	};
2489	};	4252	};
2490		4253	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4254
2502	register_command "reload" => sub {	4255	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
2504		4257
2505	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
2507		4260	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4261	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4262	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4263	};
2520	}	4264	}
2521	};	4265	};
2522		4266
2523	unshift @INC, $LIBDIR;	4267	#############################################################################
2524		4268
2525	my $bug_warning = 0;	4269	my $bug_warning = 0;
2526		4270
2527	$TICK_WATCHER = Event->timer (	4271	sub wait_for_tick() {
2528	reentrant => 0,	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4273
2530	prio => 0,	4274	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4275	}
2532	data => WF_AUTOCANCEL,	4276
2533	cb => sub {	4277	sub wait_for_tick_begin() {
		4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4279
		4280	my $signal = new Coro::Signal;
		4281	push @WAIT_FOR_TICK_BEGIN, $signal;
		4282	$signal->wait;
		4283	}
		4284
		4285	sub tick {
2534	if ($Coro::current != $Coro::main) {	4286	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
2537	return;	4289	return;
		4290	}
		4291
		4292	cf::one_tick; # one server iteration
		4293
		4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4295
		4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4298	Coro::async_pool {
		4299	$Coro::current->{desc} = "runtime saver";
		4300	write_runtime_sync
		4301	or error "ERROR: unable to write runtime file: $!";
2538	}	4302	};
		4303	}
2539		4304
2540	$NOW = Event::time;	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4306	$sig->send;
2542	cf::server_tick; # one server iteration	4307	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4308	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4309
2549	Event::sweep;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4312
		4313	if (0) {
		4314	if ($NEXT_TICK) {
		4315	my $jitter = $TICK_START - $NEXT_TICK;
		4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4317	debug "jitter $JITTER\n";#d#
2551		4318	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4319	}
2561	);	4320	}
2562		4321
2563	{	4322	{
2564	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
2566	reentrant => 0,	4325
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
2574		4327	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4328	#$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4329
2590	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4337
2593	cf::sync_job {	4338	cf::sync_job {
		4339	eval {
2594	BDB::db_env_open	4340	BDB::db_env_open
2595	$DB_ENV,	4341	$DB_ENV,
2596	$BDB_ENV_DIR,	4342	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4345	0666;
2600		4346
2601	cf::cleanup "$!" if $!;	4347	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4348	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4349
2604	$DB_ENV->set_lk_detect;	4350	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4351	};
2606	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
2607	}	4365	}
2608		4366
2609	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
2610	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,	4374	info "aio initialised";
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4375	}
2623		4376
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4377	our $_log_backtrace;
2625	reentrant => 0,	4378	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4379
2627	after => 1,	4380	sub _log_backtrace {
2628	interval => 10,	4381	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4382
2630	cb => Coro::unblock_sub {	4383	$msg =~ s/\n$//;
2631	write_runtime	4384
2632	or warn "ERROR: unable to write runtime file: $!";	4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4388	# limit the # of concurrent backtraces
		4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
		4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
		4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
		4396	my @bt = fork_call {
		4397	@addr = map { sprintf "%x", $_ } @addr;
		4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4400	or die "addr2line: $!";
		4401
		4402	my @funcs;
		4403	my @res = <$fh>;
		4404	chomp for @res;
		4405	while (@res) {
		4406	my ($func, $line) = splice @res, 0, 2, ();
		4407	push @funcs, "[$func] $line";
		4408	}
		4409
		4410	@funcs
		4411	};
		4412
		4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4415	LOG llevInfo, "[ABT] $_\n" for @bt;
		4416	--$_log_backtrace;
		4417	};
		4418	} else {
		4419	LOG llevInfo, "[ABT] $msg\n";
		4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4421	}
2634	);	4422	}
		4423
		4424	# load additional modules
		4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
2635		4427
2636	END { cf::emergency_save }	4428	END { cf::emergency_save }
2637		4429
2638	1	4430	1
2639		4431

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