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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
21		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
22	use BDB ();	58	use BDB ();
23	use Data::Dumper;	59	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	60	use Fcntl;
26	use YAML::Syck ();	61	use YAML::XS ();
27	use IO::AIO 2.32 ();	62	use IO::AIO ();
28	use Time::HiRes;	63	use Time::HiRes;
29	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
30		68
31	# configure various modules to our taste	69	# configure various modules to our taste
32	#	70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		79
36	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
37		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		82
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
44		86
45	our %COMMAND = ();	87	our %COMMAND = ();
46	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
47		89
48	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
52		95
53	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	97	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
56		100
57	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	102
59	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
		104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
		108	our $LOCALDIR = localdir;
		109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		112	our $RANDOMDIR = "$LOCALDIR/random";
		113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
		124
		125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
62	our $NOW;	143	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		144
65	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		148
82	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		151
		152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
		155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
85	binmode STDOUT;	165	binmode STDOUT;
86	binmode STDERR;	166	binmode STDERR;
87		167
88	# read virtual server time, if available	168	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
93	}	173	}
94		174
95	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	176
97	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		179
102	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
103		181
104	sub cf::map::normalise;	182	sub cf::map::normalise;
105		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
106	#############################################################################	188	#############################################################################
107		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
108	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
109		202
110	=over 4	203	=over 4
111		204
112	=item $cf::UPTIME	205	=item $cf::UPTIME
113		206
114	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
115		223
116	=item $cf::RUNTIME	224	=item $cf::RUNTIME
117		225
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	227	every server tick.
120		228
121	=item $cf::LIBDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		232
123	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		235	unique-items directory, player file directory, random maps directory and
		236	database environment.
125		237
		238	=item $cf::LOADAVG
		239
		240	The current CPU load on the server (alpha-smoothed), as a value between 0
		241	(none) and 1 (overloaded), indicating how much time is spent on processing
		242	objects per tick. Healthy values are < 0.5.
		243
126	=item $cf::NOW	244	=item $cf::LOAD
127		245
128	The time of the last (current) server tick.	246	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		247
134	=item %cf::CFG	248	=item %cf::CFG
135		249
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	251	from wherever your confdir points to.
138		252
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		254
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
145		287
146	=back	288	=back
147		289
148	=cut	290	=cut
149		291
150	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	299	my $msg = join "", @_;
153	utf8::encode $msg;
154		300
155	$msg .= "\n"	301	$msg .= "\n"
156	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
157		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
158	LOG llevError, $msg;	306	LOG llevWarn, $msg;
159	};	307	};
160	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
161		322
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		330
169	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	332	# within the Safe compartment.
171	for my $pkg (qw(	333	for my $pkg (qw(
172	cf::global cf::attachable	334	cf::global cf::attachable
173	cf::object cf::object::player	335	cf::object cf::object::player
174	cf::client cf::player	336	cf::client cf::player
175	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
176	cf::map cf::party cf::region	339	cf::party cf::region
177	)) {	340	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	342	}
181		343
182	$Event::DIED = sub {	344	$EV::DIED = sub {
183	warn "error in event callback: @_";	345	warn "error in event callback: $@";
184	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
185		354
186	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
187		356
188	=over 4	357	=over 4
189		358
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	378	$d
210	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
211	}	380	}
212		381
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
214		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
215	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
216		435
217	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
218		437
219	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
220		439
221	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
222		441
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
223	=item cf::lock_wait $string	511	=item cf::lock_wait $string
224		512
225	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
226		514
227	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
228		516
229	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
232	returned.	520	returned.
233		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
234	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
236		527
237	=cut	528	=item $locked = cf::lock_active $string
238		529
239	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
240		535
241	sub lock_wait($) {	536	sub lock_wait($) {
242	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	538	}
250		539
251	sub lock_acquire($) {	540	sub lock_acquire($) {
252	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
253		543
254	# wait, to be sure we are not locked	544	sub lock_active($) {
255	lock_wait $key;	545	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	546	}
264		547
265	sub freeze_mainloop {	548	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
267		550
268	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
270	};	621	}
271	$TICK_WATCHER->stop;	622	};
272	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
273	}	637	}
274		638
275	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
276		640
277	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		646
283	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
284		648
285	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
286		650
287	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
290		655
291	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
294	fast or be very important.	659	fast or be very important.
…		…
296	=cut	661	=cut
297		662
298	sub sync_job(&) {	663	sub sync_job(&) {
299	my ($job) = @_;	664	my ($job) = @_;
300		665
301	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
302	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
304		671
305	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	673
307	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
308		675
309	my $busy = 1;	676	my $busy = 1;
310	my @res;	677	my @res;
311		678
312	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	681	@res = eval { $job->() };
314	warn $@ if $@;	682	error $@ if $@;
315	undef $busy;	683	undef $busy;
316	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
317		685
318	while ($busy) {	686	while ($busy) {
319	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
320	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
321		697
322	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
323	} else {	699	} else {
324	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
325		701
…		…
345	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
346		722
347	$coro	723	$coro
348	}	724	}
349		725
350	sub write_runtime {	726	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		727
353	my $runtime = cf::localdir . "/runtime";	728	Executes the given code block with the given arguments in a seperate
		729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
354		732
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	733	=cut
356	or return;
357		734
358	my $value = $cf::RUNTIME + 90 + 10;	735	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	736	reset_signals;
360	# 60 allows for the watchdog to kill the server.	737	}
361		738
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	739	sub fork_call(&@) {
363	and return;	740	my ($cb, @args) = @_;
364		741
365	# always fsync - this file is important	742	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	743	# otherwise perl prematurely frees the stuff :/
367	and return;	744	# TODO: investigate and fix (likely this will be rather laborious)
368		745
369	close $fh	746	my @res = Coro::Util::fork_eval {
370	or return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
371		750
372	aio_rename "$runtime~", $runtime	751	wantarray ? @res : $res[-1]
373	and return;	752	}
374		753
		754	sub objinfo {
375	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
376	}	918	}
377		919
378	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
379		921
380	Log a datalog packet of the given type with the given key-value pairs.	922	Log a datalog packet of the given type with the given key-value pairs.
381		923
382	=cut	924	=cut
383		925
384	sub datalog($@) {	926	sub datalog($@) {
385	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	929	}
388		930
389	=back	931	=back
390		932
391	=cut	933	=cut
392		934
393	#############################################################################	935	#############################################################################
394		936
395	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
396		938
397	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
400		942
401	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	945	Deliantra).
404		946
405	=over 4	947	=over 4
406		948
407	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
408		950
…		…
452	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
453		995
454	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
456		998
457	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
459		1001
460	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
461		1003
462	=over 4	1004	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
572		1114
573	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1119
578	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
580		1122
581	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
586		1128
587	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1131
590	} elsif (ref $type) {	1132	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
592		1134
593	} else {	1135	} else {
594	shift @arg;	1136	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
596	}	1138	}
597	}	1139	}
598	}	1140	}
599		1141
600	sub _object_attach {	1142	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
611	}	1153	}
612		1154
613	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
614	} else {	1156	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1158	}
617		1159
618	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
619	}	1161	}
620		1162
…		…
622	if (ref $_[0]) {	1164	if (ref $_[0]) {
623	_object_attach @_;	1165	_object_attach @_;
624	} else {	1166	} else {
625	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
626	}	1168	}
		1169	_recalc_want;
627	};	1170	};
628		1171
629	# all those should be optimised	1172	# all those should be optimised
630	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1178	reattach ($obj);
636	} else {	1179	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
638	}	1181	}
		1182	_recalc_want;
639	};	1183	};
640		1184
641	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
643		1187
…		…
658	";	1202	";
659	die if $@;	1203	die if $@;
660	}	1204	}
661		1205
662	our $override;	1206	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1208
665	sub override {	1209	sub override {
666	$override = 1;	1210	$override = 1;
667	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
668	}	1212	}
669		1213
670	sub do_invoke {	1214	sub do_invoke {
671	my $event = shift;	1215	my $event = shift;
672	my $callbacks = shift;	1216	my $callbacks = shift;
673		1217
674	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
675		1219
676	local $override;	1220	local $override;
677		1221
678	for (@$callbacks) {	1222	for (@$callbacks) {
679	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
680		1224
681	if ($@) {	1225	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1227	override;
685	}	1228	}
686		1229
687	return 1 if $override;	1230	return 1 if $override;
688	}	1231	}
689		1232
690	0	1233	0
691	}	1234	}
692		1235
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1237
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1239
697	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
698		1241
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1245
703	=back	1246	=back
704		1247
705	=cut	1248	=cut
706		1249
707	#############################################################################	1250	#############################################################################
708	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
709		1294
710	sub reattach {	1295	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1297	my ($obj) = @_;
713		1298
		1299	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1301
716	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
717		1303
718	@$registry = ();	1304	@$registry = ();
719		1305
…		…
724	for (@$attach) {	1310	for (@$attach) {
725	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
727	}	1313	}
728	} else {	1314	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1316	}
731	}	1317	}
732	}	1318	}
733		1319
734	cf::attachable->attach (	1320	cf::attachable->attach (
735	prio => -1000000,	1321	prio => -1000000,
736	on_instantiate => sub {	1322	on_instantiate => sub {
737	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
738		1324
739	$data = from_json $data;	1325	$data = decode_json $data;
740		1326
741	for (@$data) {	1327	for (@$data) {
742	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
743		1329
744	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1346	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
762		1348
763	sync_job {	1349	sync_job {
764	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
767		1355
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
772	close $fh;	1363	aio_close $fh;
773		1364
774	if (@$objs) {	1365	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
780	close $fh;	1374	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
782	}	1376	}
783	} else {	1377	} else {
784	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
785	}	1379	}
786		1380
787	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1385	} else {
789	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
790	}	1387	}
791	} else {	1388	} else {
792	aio_unlink $filename;	1389	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
794	}	1391	}
795	}	1392	};
796	}	1393	}
797		1394
798	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
800		1397
…		…
812	or return;	1409	or return;
813		1410
814	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
816	or return;	1413	or return;
		1414
817	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
818	}	1417	}
819		1418
		1419	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
822	return ($data, $av);	1424	($data, $av)
823	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
824		1432
825	#############################################################################	1433	#############################################################################
826	# command handling &c	1434	# command handling &c
827		1435
828	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1450	}
843		1451
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1453
846	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
847		1459
848	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
849	called.	1461	called.
850		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
851	=cut	1474	=cut
852		1475
853	sub register_extcmd {	1476	sub register_extcmd {
854	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
855		1478
856	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
857	}	1480	}
858		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
859	cf::player->attach (	1490	cf::player->attach (
860	on_command => sub {	1491	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
862		1493
863	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
864	or return;	1495	or return;
865		1496
…		…
870	cf::override;	1501	cf::override;
871	},	1502	},
872	on_extcmd => sub {	1503	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
874		1505
875	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1507
877	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
883	} else {	1520	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1522	}
886		1523
887	cf::override;	1524	cf::override;
888	},	1525	},
889	);	1526	);
890		1527
		1528	# "readahead" all extensions
891	sub load_extension {	1529	sub cache_extensions {
892	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
893		1531
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1535	}
919	die $@;
920	}	1536	};
921		1537
922	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
923	}	1550	}
924		1551
925	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
926	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1561	next unless -r $path;
928	eval {	1562
929	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
930	1	1635	}
931	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
932	}	1648	};
933	}	1649	}
934		1650
935	#############################################################################	1651	#############################################################################
936		1652
		1653	=back
		1654
937	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
938		1656
939	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
940		1658
941	=cut	1659	=cut
942		1660
943	package cf::player;	1661	package cf::player;
944		1662
…		…
946		1664
947	=head3 cf::player	1665	=head3 cf::player
948		1666
949	=over 4	1667	=over 4
950		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
		1682
951	=item cf::player::find $login	1683	=item cf::player::find $login
952		1684
953	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
954		1686
955	=cut	1687	=cut
956		1688
957	sub playerdir($) {	1689	sub playerdir($) {
958	cf::localdir	1690	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1692	}
964		1693
965	sub path($) {	1694	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1696
968	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
969	}	1698	}
970		1699
971	sub find_active($) {	1700	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
976		1705
977	sub exists($) {	1706	sub exists($) {
978	my ($login) = @_;	1707	my ($login) = @_;
979		1708
980	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
982	}	1711	}
983		1712
984	sub find($) {	1713	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1715	my $login = $_[0];
987		1716
988	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
989		1718
990	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1720	# rename old playerfiles to new ones
		1721	#TODO: remove when no longer required
		1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1725	aio_unlink +(playerdir $login) . "/$login.pl";
		1726
		1727	my $f = new_from_file cf::object::thawer path $login
992	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
994	}	1736	}
995	}	1737	}
996	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
997		1752
998	sub save($) {	1753	sub save($) {
999	my ($pl) = @_;	1754	my ($pl) = @_;
1000		1755
1001	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1007		1762
1008	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1010		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1011	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1012	Coro::cede;	1772	cf::cede_to_tick;
1013	}	1773	}
1014		1774
1015	sub new($) {	1775	sub new($) {
1016	my ($login) = @_;	1776	my ($login) = @_;
1017		1777
…		…
1023	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1024		1784
1025	$self	1785	$self
1026	}	1786	}
1027		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1028	=item $pl->quit_character	1798	=item $pl->quit_character
1029		1799
1030	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1032		1802
…		…
1036	my ($pl) = @_;	1806	my ($pl) = @_;
1037		1807
1038	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1039		1809
1040	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1812
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1046	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1047		1821
1048	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1080		1854
1081	=cut	1855	=cut
1082		1856
1083	sub list_logins {	1857	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1859	or return [];
1086		1860
1087	my @logins;	1861	my @logins;
1088		1862
1089	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1093		1873
1094	utf8::decode $login;	1874	utf8::decode $login;
1095	push @logins, $login;	1875	push @logins, $login;
1096	}	1876	}
1097		1877
1098	\@logins	1878	\@logins
1099	}	1879	}
1100		1880
1101	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1102		1884
1103	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1104	player. May block.	1886	player. May block.
1105		1887
1106	=cut	1888	=cut
…		…
1124	}	1906	}
1125		1907
1126	\@paths	1908	\@paths
1127	}	1909	}
1128		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1129	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1130		1916
1131	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1132		1918
1133	=cut	1919	=cut
1134		1920
1135	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1137		1923
1138	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1925	}
1142		1926
1143	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1144		1928
1145	Sends an ext event to the client.	1929	Sends an ext event to the client.
1146		1930
1147	=cut	1931	=cut
1148		1932
1149	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1151		1935
1152	delete $msg{msgid};	1936	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1937	}
1158		1938
1159	package cf;	1939	=head3 cf::region
		1940
		1941	=over 4
		1942
		1943	=cut
		1944
		1945	package cf::region;
		1946
		1947	=item cf::region::find_by_path $path
		1948
		1949	Tries to decuce the likely region for a map knowing only its path.
		1950
		1951	=cut
		1952
		1953	sub find_by_path($) {
		1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
		1958	my ($match, $specificity);
		1959
		1960	for my $region (list) {
		1961	if ($region->{match} && $path =~ $region->{match}) {
		1962	($match, $specificity) = ($region, $region->specificity)
		1963	if $region->specificity > $specificity;
		1964	}
		1965	}
		1966
		1967	$match
		1968	}
1160		1969
1161	=back	1970	=back
1162
1163		1971
1164	=head3 cf::map	1972	=head3 cf::map
1165		1973
1166	=over 4	1974	=over 4
1167		1975
…		…
1179	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1181		1989
1182	sub generate_random_map {	1990	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1184	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1185	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1197	)
1198	}	1996	}
1199		1997
1200	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1201		1999
1202	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1207		2005
1208	sub register {	2006	sub register {
1209	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	2008	my $pkg = caller;
1211		2009
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		2011
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	2013	}
1217		2014
1218	# also paths starting with '/'	2015	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		2017
1221	sub thawer_merge {	2018	sub thawer_merge {
1222	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1223		2020
1224	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1225	local $self->{path};	2022	local $self->{path};
1226	local $self->{load_path};	2023	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		2024
1230	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1231	}	2026	}
1232		2027
1233	sub normalise {	2028	sub normalise {
1234	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1235		2030
1236	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1237		2032
1238	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1239		2034
1240	# map plan:	2035	# map plan:
1241	#	2036	#
…		…
1256	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1257	$path = "$base/$path";	2052	$path = "$base/$path";
1258	}	2053	}
1259		2054
1260	for ($path) {	2055	for ($path) {
1261	redo if s{//}{/};
1262	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1263	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1264	}	2058	}
1265		2059
1266	$path	2060	$path
…		…
1280	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1281	return $self;	2075	return $self;
1282	}	2076	}
1283	}	2077	}
1284		2078
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	2080	()
1287	}	2081	}
1288		2082
		2083	# may re-bless or do other evil things
1289	sub init {	2084	sub init {
1290	my ($self) = @_;	2085	my ($self) = @_;
1291		2086
1292	$self	2087	$self
1293	}	2088	}
…		…
1305		2100
1306	# the original (read-only) location	2101	# the original (read-only) location
1307	sub load_path {	2102	sub load_path {
1308	my ($self) = @_;	2103	my ($self) = @_;
1309		2104
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2105	"$MAPDIR/$self->{path}.map"
1311	}	2106	}
1312		2107
1313	# the temporary/swap location	2108	# the temporary/swap location
1314	sub save_path {	2109	sub save_path {
1315	my ($self) = @_;	2110	my ($self) = @_;
1316		2111
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2113	"$TMPDIR/$path.map"
1319	}	2114	}
1320		2115
1321	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1322	sub uniq_path {	2117	sub uniq_path {
1323	my ($self) = @_;	2118	my ($self) = @_;
1324		2119
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2121	"$UNIQUEDIR/$path"
1327	}	2122	}
1328		2123
1329	# and all this just because we cannot iterate over	2124	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	2125	my ($self) = @_;
1333		2126
1334	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1336	}	2130	}
1337		2131
1338	sub unlink_save {	2132	sub unlink_save {
1339	my ($self) = @_;	2133	my ($self) = @_;
1340		2134
…		…
1345		2139
1346	sub load_header_from($) {	2140	sub load_header_from($) {
1347	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1348		2142
1349	utf8::encode $path;	2143	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	2145	or return;
1355		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1356	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1357		2154
1358	1	2155	1
1359	}	2156	}
1360		2157
		2158	# used to laod the header of an original map
1361	sub load_header_orig {	2159	sub load_header_orig {
1362	my ($self) = @_;	2160	my ($self) = @_;
1363		2161
1364	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1365	}	2163	}
1366		2164
		2165	# used to laod the header of an instantiated map
1367	sub load_header_temp {	2166	sub load_header_temp {
1368	my ($self) = @_;	2167	my ($self) = @_;
1369		2168
1370	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1371	}	2170	}
1372		2171
		2172	# called after loading the header from an instantiated map
1373	sub prepare_temp {	2173	sub prepare_temp {
1374	my ($self) = @_;	2174	my ($self) = @_;
1375		2175
1376	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1377	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1378	# safety	2178	# safety
1379	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1380	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1381	}	2181	}
1382		2182
		2183	# called after loading the header from an original map
1383	sub prepare_orig {	2184	sub prepare_orig {
1384	my ($self) = @_;	2185	my ($self) = @_;
1385		2186
1386	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1387	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1398	$self->load_header_orig	2199	$self->load_header_orig
1399	or return;	2200	or return;
1400	$self->prepare_orig;	2201	$self->prepare_orig;
1401	}	2202	}
1402		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
		2207	$self->default_region (cf::region::find_by_path $self->{path})
		2208	unless $self->default_region;
		2209
1403	1	2210	1
1404	}	2211	}
1405		2212
1406	sub find;	2213	sub find;
1407	sub find {	2214	sub find {
1408	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1409		2216
		2217	cf::cede_to_tick;
		2218
1410	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1411		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2223
1414	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1417	or return;	2226	or return;
1418		2227
1419	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1420		2229
1421	$map->load_header	2230	$map->load_header
1422	or return;	2231	or return;
1423		2232
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1427	$map->reset;	2238	$map->reset;
1428	undef $guard;
1429	return find $path;	2239	return find $path;
1430	}	2240	}
1431		2241
1432	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1433	}	2243	}
1434	}	2244	}
1435		2245
1436	sub pre_load { }	2246	sub pre_load { }
1437	sub post_load { }	2247	#sub post_load { } # XS
1438		2248
1439	sub load {	2249	sub load {
1440	my ($self) = @_;	2250	my ($self) = @_;
1441		2251
1442	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1443		2253
1444	my $path = $self->{path};	2254	my $path = $self->{path};
		2255
		2256	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1446		2258
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2259	return unless $self->valid;
		2260	return unless $self->state == cf::MAP_SWAPPED;
1448		2261
1449	$self->in_memory (cf::MAP_LOADING);
1450
1451	$self->alloc;	2262	$self->alloc;
1452		2263
1453	$self->pre_load;	2264	$self->pre_load;
		2265	cf::cede_to_tick;
1454		2266
1455	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1456	or return;	2271	or return;
1457		2272
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1459	if delete $self->{load_original};	2274	if delete $self->{load_original};
1460		2275
1461	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2277	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2280	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1466	}	2285	}
1467	}
1468		2286
1469	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
1470		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1471	# now do the right thing for maps	2296	# now do the right thing for maps
1472	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2299	unless $self->difficulty;
1482	Coro::cede;	2300	cf::cede_to_tick;
1483	$self->activate;	2301
		2302	unless ($self->{deny_activate}) {
		2303	$self->decay_objects;
		2304	$self->fix_auto_apply;
		2305	$self->update_buttons;
		2306	cf::cede_to_tick;
		2307	#$self->activate; # no longer activate maps automatically
		2308	}
		2309
		2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1484	}	2312	}
1485		2313
1486	$self->post_load;	2314	$self->post_load;
1487		2315
1488	$self->in_memory (cf::MAP_IN_MEMORY);	2316	1
1489	}	2317	}
1490		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2322	sub customise_for {
1492	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1493		2324
1494	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2326	if $self->per_player;
1496		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1497	$self	2331	$self
1498	}
1499
1500	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {
1502	my ($map) = @_;
1503
1504	my @diag; # diagonal neighbours
1505
1506	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)
1508	or next;
1509	$neigh = find $neigh, $map
1510	or next;
1511	$neigh->load;
1512
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}
1516
1517	for (@diag) {
1518	my $neigh = find @$_
1519	or next;
1520	$neigh->load;
1521	}
1522	}	2332	}
1523		2333
1524	sub find_sync {	2334	sub find_sync {
1525	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1526		2336
1527	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1528	}	2342	}
1529		2343
1530	sub do_load_sync {	2344	sub do_load_sync {
1531	my ($map) = @_;	2345	my ($map) = @_;
1532		2346
1533	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1534	}	2352	}
1535		2353
1536	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1538		2356
1539	sub find_async {	2357	sub find_async {
1540	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1541		2359
1542	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1543		2361
1544	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1546	}	2364	}
1547		2365
1548	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1549	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1550	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2373	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2374	$map->load if $v;
		2375	}
1555		2376
1556	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1557	}	2378	}
1558	}	2379	}
1559	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1560	};	2381	};
1561	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1562		2383
1563	()	2384	()
1564	}	2385	}
1565		2386
		2387	# common code, used by both ->save and ->swapout
1566	sub save {	2388	sub _save {
1567	my ($self) = @_;	2389	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2390
1571	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1572		2392
1573	return unless $self->dirty;	2393	return unless $self->dirty;
1574		2394
…		…
1580	return if $self->{deny_save};	2400	return if $self->{deny_save};
1581		2401
1582	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1583		2403
1584	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1586	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1587		2410
1588	if ($uniq) {	2411	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2414	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2416	}
1594	}	2417	}
1595		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1596	sub swap_out {	2427	sub swap_out {
1597	my ($self) = @_;	2428	my ($self) = @_;
1598		2429
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1604	return if $self->players;	2434	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1608	$self->clear;	2445	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2446	}
1611		2447
1612	sub reset_at {	2448	sub reset_at {
1613	my ($self) = @_;	2449	my ($self) = @_;
1614		2450
1615	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1618		2453
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2456
…		…
1632	my ($self) = @_;	2467	my ($self) = @_;
1633		2468
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2470
1636	return if $self->players;	2471	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2472
1639	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1640		2474
1641	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1642		2476
1643	# need to save uniques path	2477	# need to save uniques path
1644	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1645	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1646		2480
…		…
1648	if $uniq;	2482	if $uniq;
1649	}	2483	}
1650		2484
1651	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1652		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2489	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2490
1657	$self->unlink_save;	2491	$self->unlink_save;
1658	$self->destroy;	2492	$self->destroy;
1659	}	2493	}
1660		2494
1661	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1662		2496
1663	sub nuke {	2497	sub nuke {
1664	my ($self) = @_;	2498	my ($self) = @_;
1665		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1666	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1667		2504
1668	$self->unlink_save;	2505	$self->unlink_save;
1669		2506
1670	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2512
1676	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1677		2515
1678	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1679	}	2553	}
1680		2554
1681	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1682		2556
1683	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2558	instantiated unique items. May block.
1685		2559
1686	=cut	2560	=cut
1687		2561
1688	sub unique_maps() {	2562	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2563	[
1690	or return;	2564	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2565	utf8::decode $_;
1696	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2568	? ()
1699	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2571	]
1701
1702	\@paths
1703	}	2572	}
1704		2573
1705	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1706		2605
1707	=back	2606	=back
1708		2607
1709	=head3 cf::object	2608	=head3 cf::object
1710		2609
…		…
1714		2613
1715	=over 4	2614	=over 4
1716		2615
1717	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1718		2617
1719	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1720		2620
1721	=cut	2621	=cut
1722		2622
1723	sub inv_recursive_;	2623	sub inv_recursive_;
1724	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1727		2627
1728	sub inv_recursive {	2628	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1730	}	2630	}
1731		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1732	package cf;	2660	package cf;
1733		2661
1734	=back	2662	=back
1735		2663
1736	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1745		2673
1746	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1747		2689
1748	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2691	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1753		2695
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2697
1756	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1758	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1761	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1762	}	2723	}
1763		2724
1764	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1765		2726
1766	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1779		2740
1780	=item $player_object->enter_link	2741	=item $player_object->enter_link
1781		2742
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2744
1784	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1786		2749
1787	Will never block.	2750	Will never block.
1788		2751
1789	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1790		2753
…		…
1810	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2774	my ($self) = @_;
1812		2775
1813	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1814		2777
		2778	++$self->{_link_recursion};
		2779
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2781
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1819		2784
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2786	}
1822		2787
1823	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1825		2792
1826	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1827		2794
1828	unless ($map) {	2795	unless ($map) {
1829	# restore original map position	2796	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1842		2809
1843	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1846		2813
1847	$map->load;	2814	$map->load;
1848	$map->load_diag;
1849		2815
1850	return unless $self->contr->active;	2816	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2817
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1855	}	2820	# entering was successful
1856		2821	delete $self->{_link_recursion};
1857	cf::player->attach (	2822	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2823	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2824	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2825
1871	# try to abort aborted map switching on player login :)	2826	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2827
1889	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2829
		2830	Moves the player to the given map-path and coordinates by first freezing
		2831	her, loading and preparing them map, calling the provided $check callback
		2832	that has to return the map if sucecssful, and then unfreezes the player on
		2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
1891	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1892		2842
1893	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2854
1896	$self->enter_link;	2855	$self->enter_link;
1897		2856
1898	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1899	my $map = eval {	2879	my $map = eval {
1900	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2883	$map = $map->customise_for ($self);
		2884	$map = $check->($map, $x, $y, $self) if $check && $map;
		2885	} else {
		2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888
1902	$map	2889	$map
		2890	};
		2891
		2892	if ($@) {
		2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2894	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2895	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1907	})->prio (1);	2903	})->prio (1);
1908	}	2904	}
1909		2905
1910	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1911		2907
…		…
1931	}	2927	}
1932		2928
1933	sub prepare_random_map {	2929	sub prepare_random_map {
1934	my ($exit) = @_;	2930	my ($exit) = @_;
1935		2931
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2934	# that depends on the exit object
1941		2935
1942	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2938	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
1949	}	2945	}
1950		2946
1951	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
1952		2948
1953	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
1956		2952
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2955	undef $fh;
1960	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
1961		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
1964	}	2964	}
1965	}	2965	}
1966		2966
1967	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
1969		2969
1970	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
1971		2971
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2972	$self->enter_link;
1982		2973
1983	(async {	2974	(async {
1984	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
1985	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
1986	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
1987		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
1988	1;	3013	1
1989	}) {	3014	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
1994		3019
1995	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	3021	$self->leave_link;
1997	}	3022	}
1998	})->prio (1);	3023	})->prio (1);
1999	}	3024	}
2000		3025
…		…
2014		3039
2015	utf8::encode $text;	3040	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	3042	}
2018		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
		3231	=item $client->ext_msg ($type, @msg)
		3232
		3233	Sends an ext event to the client.
		3234
		3235	=cut
		3236
		3237	sub cf::client::ext_msg($$@) {
		3238	my ($self, $type, @msg) = @_;
		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
		3243	push @msg, msgtype => "event_$type";
		3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3260	}
2019		3261
2020	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2021		3263
2022	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3265	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3266	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3267
2026	Queries can fail, so check the return code. Or don't, as queries will become	3268	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3269	become reliable at some point in the future.
2028		3270
2029	=cut	3271	=cut
2030		3272
2031	sub cf::client::query {	3273	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3282	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3284
2043	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2045	}	3289	}
2046		3290
2047	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2048	on_reply => sub {	3297	on_reply => sub {
2049	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2050		3299
2051	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2052	# get handled first	3301	# get handled first
…		…
2064	} else {	3313	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3315	}
2067	}	3316	}
2068	},	3317	},
		3318	on_exticmd => sub {
		3319	my ($ns, $buf) = @_;
		3320
		3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3322
		3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2069	);	3341	);
2070		3342
2071	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2072		3344
2073	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3361
2090	$coro	3362	$coro
2091	}	3363	}
2092		3364
2093	cf::client->attach (	3365	cf::client->attach (
2094	on_destroy => sub {	3366	on_client_destroy => sub {
2095	my ($ns) = @_;	3367	my ($ns) = @_;
2096		3368
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3370	},
2099	);	3371	);
…		…
2114	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2116		3388
2117	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2118		3390
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2120		3396
2121	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2122		3398
2123	=pod	3399	=pod
2124		3400
2125	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2126		3402
2127	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2128	cf::object::player player	3408	cf::object::player
2129	cf::player peaceful	3409	player
2130	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2131		3416
2132	=cut	3417	=cut
2133		3418
2134	for (	3419	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2139	) {	3426	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3429	for @funs;
2144	}	3430	}
2145		3431
…		…
2160		3446
2161	my $qcode = $code;	3447	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2164		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2165	local $_;	3454	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3455
2168	my $eval =	3456	my $eval =
2169	"do {\n"	3457	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3460	. $code
2173	. "\n}"	3461	. "\n}"
2174	;	3462	;
2175		3463
		3464	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2179		3473
2180	if ($@) {	3474	if ($@) {
2181	warn "$@";	3475	warn "$@",
2182	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2184	}	3478	}
2185		3479
2186	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2187	}	3481	}
2188		3482
…		…
2202	=cut	3496	=cut
2203		3497
2204	sub register_script_function {	3498	sub register_script_function {
2205	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2206		3500
2207	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2209	}	3503	}
2210		3504
2211	=back	3505	=back
2212		3506
2213	=cut	3507	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3508
2287	#############################################################################	3509	#############################################################################
2288	# the server's init and main functions	3510	# the server's init and main functions
2289		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2290	sub load_facedata {	3514	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3515	my ($path) = @_;
2292		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2293	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2294		3524
2295	my $faces;	3525	my $facedata = decode_storable load_file $path;
2296	0 < aio_load $path, $faces
2297	or die "$path: $!";
2298		3526
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;
2301	Coro::cede;
2302
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3527	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3529
2307	while (my ($face, $info) = each %$faces) {	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
		3539	{
		3540	my $faces = $facedata->{faceinfo};
		3541
		3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3545
		3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2313	}	3551	$FACEHASH{$info->{hash64}} = $idx;#d#
2314		3552
		3553	cf::cede_to_tick;
		3554	}
		3555
2315	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2317	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
		3560	or next;
		3561
		3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
		3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3565	} else {
		3566	error "smooth face '$info->{smooth}' not found for face '$face'";
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	{
		3574	my $anims = $facedata->{animinfo};
		3575
		3576	while (my ($anim, $info) = each %$anims) {
		3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3578	cf::cede_to_tick;
		3579	}
		3580
		3581	cf::anim::invalidate_all; # d'oh
		3582	}
		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
		3606	1
		3607	}
		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
		3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
		3632	load_resource_file "$MAPDIR/regions"
		3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
		3639	}
		3640
		3641	sub reload_facedata {
		3642	load_facedata "$DATADIR/facedata"
		3643	or die "unable to load facedata\n";
		3644	}
		3645
		3646	sub reload_archetypes {
		3647	load_resource_file "$DATADIR/archetypes"
		3648	or die "unable to load archetypes\n";
		3649	}
		3650
		3651	sub reload_treasures {
		3652	load_resource_file "$DATADIR/treasures"
		3653	or die "unable to load treasurelists\n";
		3654	}
		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
2318	or next;	3663	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
2328	}	3674	}
2329		3675
2330	sub reload_resources {	3676	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3677	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3678
		3679	reload_exp_table;
		3680	reload_materials;
2333	load_facedata	3681	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3682	reload_sound;
2335	}	3683	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3684	reload_regions;
2339	}	3685	reload_treasures;
2340		3686
2341	sub cfg_load {	3687	trace "finished reloading resource files\n";
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3688	}
2343	or return;
2344		3689
2345	local $/;	3690	sub reload_config {
2346	*CFG = YAML::Syck::Load <$fh>;	3691	trace "reloading config file...\n";
2347		3692
		3693	my $config = load_file "$CONFDIR/config";
		3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
		3696
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3698
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3701
2353	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2357	};	3706	};
2358	warn $@ if $@;	3707	warn $@ if $@;
2359	}	3708	}
2360	}	3709	}
2361		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2362	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2363	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3752	(async {
2367	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2369	};	3756	};
2370		3757
2371	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2372	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2373	load_extensions;	3781	load_extensions;
2374		3782
2375	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2377	}	3800	}
2378		3801
2379	#############################################################################	3802	#############################################################################
2380	# initialisation and cleanup	3803	# initialisation and cleanup
2381		3804
2382	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2383	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2392	},
2393	);	3811	};
		3812	}
		3813	}
		3814
		3815	sub write_runtime_sync {
		3816	my $t0 = AE::time;
		3817
		3818	# first touch the runtime file to show we are still running:
		3819	# the fsync below can take a very very long time.
		3820
		3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3822
		3823	my $guard = cf::lock_acquire "write_runtime";
		3824
		3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3826	or return;
		3827
		3828	my $value = $cf::RUNTIME + 90 + 10;
		3829	# 10 is the runtime save interval, for a monotonic clock
		3830	# 60 allows for the watchdog to kill the server.
		3831
		3832	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3833	and return;
		3834
		3835	# always fsync - this file is important
		3836	aio_fsync $fh
		3837	and return;
		3838
		3839	# touch it again to show we are up-to-date
		3840	aio_utime $fh, undef, undef;
		3841
		3842	close $fh
		3843	or return;
		3844
		3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3846	and return;
		3847
		3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3849
2394	}	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2395	}	3901	}
2396		3902
2397	sub emergency_save() {	3903	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2399		3905
2400	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2401		3912
2402	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2403	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3924	$pl->save;
2411	}	3925	}
2412	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2413		3927
2414	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3933	$map->valid or next;
2418	$map->save;	3934	$map->save;
2419	}	3935	}
2420	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2421		3937
2422	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3966	};
2426		3967
2427	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2428	}	3969	}
2429		3970
2430	sub post_cleanup {	3971	sub post_cleanup {
2431	my ($make_core) = @_;	3972	my ($make_core) = @_;
2432		3973
		3974	IO::AIO::flush;
		3975
2433	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3977	if $make_core;
2435	}
2436		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
		4006	}
		4007
2437	sub reload() {	4008	sub do_reload_perl() {
2438	# can/must only be called in main	4009	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2440	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2441	return;	4012	return;
2442	}	4013	}
2443		4014
2444	warn "reloading...";	4015	return if $RELOAD++;
2445		4016
2446	warn "entering sync_job";	4017	my $t1 = AE::time;
2447		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2448	cf::sync_job {	4025	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	4026	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		4027
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	4030	%EXT_CORO = ();
2477		4031
2478	warn "removing commands";	4032	trace "perl_reload: removing commands";
2479	%COMMAND = ();	4033	%COMMAND = ();
2480		4034
2481	warn "removing ext commands";	4035	trace "perl_reload: removing ext/exti commands";
2482	%EXTCMD = ();	4036	%EXTCMD = ();
		4037	%EXTICMD = ();
2483		4038
2484	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2487		4042
2488	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2489	eval {	4044	eval {
2490	$cb->($pkg);	4045	$cb->($pkg);
2491	1	4046	1
2492	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2493	}	4052	}
2494		4053
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		4057
2503	warn "... unloading $k";	4058	trace "... unloading $k";
2504	delete $INC{$k};	4059	delete $INC{$k};
2505		4060
2506	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
2508		4063
2509	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
2511	}	4069	}
2512		4070
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		4074
2520	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
		4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		4078
2523	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
2524	# and global variables created in xs	4080	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
2526		4082
2527	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
2528		4084
2529	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
2530	require cf;	4086	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
2532		4088
2533	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
2534	cf::cfg_load;	4090	cf::reload_config;
2535		4091
2536	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
2537	cf::load_extensions;	4093	cf::load_extensions;
2538		4094
		4095	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
2542	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
2545		4103
2546	warn "loading reloadable resources";	4104	cf::_post_init 1;
2547	reload_resources;
2548		4105
2549	warn "leaving sync_job";	4106	trace "perl_reload: leaving sync_job";
2550		4107
2551	1	4108	1
2552	} or do {	4109	} or do {
2553	warn $@;	4110	error $@;
2554	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
2555	exit 1;	4112	};
		4113
		4114	--$RELOAD;
		4115	}
		4116
		4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
		4119	};
		4120
		4121	our $RELOAD_WATCHER; # used only during reload
		4122
		4123	sub reload_perl() {
		4124	# doing reload synchronously and two reloads happen back-to-back,
		4125	# coro crashes during coro_state_free->destroy here.
		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
		4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4131	do_reload_perl;
		4132	undef $RELOAD_WATCHER;
		4133	};
2556	};	4134	};
2557		4135	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		4136
2563	register_command "reload" => sub {	4137	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
2565		4139
2566	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
2568		4142	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4143	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4144	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4145	};
2581	}	4146	}
2582	};	4147	};
2583		4148
2584	unshift @INC, $LIBDIR;	4149	#############################################################################
2585		4150
2586	my $bug_warning = 0;	4151	my $bug_warning = 0;
2587		4152
2588	$TICK_WATCHER = Event->timer (	4153	sub wait_for_tick() {
2589	reentrant => 0,	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2590	parked => 1,	4155
2591	prio => 0,	4156	$WAIT_FOR_TICK->wait;
2592	at => $NEXT_TICK || $TICK,	4157	}
2593	data => WF_AUTOCANCEL,	4158
2594	cb => sub {	4159	sub wait_for_tick_begin() {
		4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4161
		4162	my $signal = new Coro::Signal;
		4163	push @WAIT_FOR_TICK_BEGIN, $signal;
		4164	$signal->wait;
		4165	}
		4166
		4167	sub tick {
2595	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
2598	return;	4171	return;
2599	}	4172	}
2600		4173
2601	$NOW = Event::time;	4174	cf::one_tick; # one server iteration
2602		4175
2603	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4177
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4180	Coro::async_pool {
		4181	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4182	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4184	};
		4185	}
2614		4186
		4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4188	$sig->send;
		4189	}
2615	$WAIT_FOR_TICK->broadcast;	4190	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617		4191
2618	# my $AFTER = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
2619	# warn $AFTER - $NOW;#d#	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2620		4194
2621	# if we are delayed by four ticks or more, skip them all	4195	if (0) {
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4196	if ($NEXT_TICK) {
2623		4197	my $jitter = $TICK_START - $NEXT_TICK;
2624	$TICK_WATCHER->at ($NEXT_TICK);	4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2625	$TICK_WATCHER->start;	4199	debug "jitter $JITTER\n";#d#
		4200	}
2626	},	4201	}
2627	);	4202	}
2628		4203
2629	{	4204	{
2630	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4206
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
2640		4208	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4210
2656	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4218
2659	cf::sync_job {	4219	cf::sync_job {
2660	eval {	4220	eval {
2661	BDB::db_env_open	4221	BDB::db_env_open
2662	$DB_ENV,	4222	$DB_ENV,
2663	$BDB_ENV_DIR,	4223	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4226	0666;
2667		4227
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4229	};
2673		4230
2674	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4232	};
2676	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
2677	}	4244	}
2678		4245
2679	{	4246	{
		4247	# configure IO::AIO
		4248
2680	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4252	}
		4253
		4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
		4256
		4257	sub _log_backtrace {
		4258	my ($msg, @addr) = @_;
		4259
		4260	$msg =~ s/\n$//;
		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4265	# limit the # of concurrent backtraces
		4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
		4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
		4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
		4273	my @bt = fork_call {
		4274	@addr = map { sprintf "%x", $_ } @addr;
		4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4277	or die "addr2line: $!";
		4278
		4279	my @funcs;
		4280	my @res = <$fh>;
		4281	chomp for @res;
		4282	while (@res) {
		4283	my ($func, $line) = splice @res, 0, 2, ();
		4284	push @funcs, "[$func] $line";
		4285	}
		4286
		4287	@funcs
		4288	};
		4289
		4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4292	LOG llevInfo, "[ABT] $_\n" for @bt;
		4293	--$_log_backtrace;
		4294	};
		4295	} else {
		4296	LOG llevInfo, "[ABT] $msg\n";
		4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4298	}
		4299	}
		4300
		4301	# load additional modules
		4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
2693		4304
2694	END { cf::emergency_save }	4305	END { cf::emergency_save }
2695		4306
2696	1	4307	1
2697		4308

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