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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 1.593 by root, Fri Nov 9 01:59:33 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)
829		1437
830	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
831	$name.	1439	$name.
832		1440
833	=cut	1441	=cut
…		…
839	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
840		1448
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	$pl->ext_msg ("reply-$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
1129	=item $player->ext_reply ($msgid, %msg)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1130		1912
1131	Sends an ext reply to the player.	1913	Expand deliantra pod fragments into protocol xml.
1132		1914
1133	=cut
1134
1135	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;
1137
1138	$msg{msgid} = $id;
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}
1142
1143	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1144		1916
1145	Sends an ext event to the client.	1917	Sends an ext event to the client.
1146		1918
1147	=cut	1919	=cut
1148		1920
1149	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1151		1923
1152	delete $msg{msgid};	1924	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1925	}
1158		1926
1159	package cf;	1927	=head3 cf::region
		1928
		1929	=over 4
		1930
		1931	=cut
		1932
		1933	package cf::region;
		1934
		1935	=item cf::region::find_by_path $path
		1936
		1937	Tries to decuce the likely region for a map knowing only its path.
		1938
		1939	=cut
		1940
		1941	sub find_by_path($) {
		1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
		1946	my ($match, $specificity);
		1947
		1948	for my $region (list) {
		1949	if ($region->{match} && $path =~ $region->{match}) {
		1950	($match, $specificity) = ($region, $region->specificity)
		1951	if $region->specificity > $specificity;
		1952	}
		1953	}
		1954
		1955	$match
		1956	}
1160		1957
1161	=back	1958	=back
1162
1163		1959
1164	=head3 cf::map	1960	=head3 cf::map
1165		1961
1166	=over 4	1962	=over 4
1167		1963
…		…
1179	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1181		1977
1182	sub generate_random_map {	1978	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1184	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1185	$self->_create_random_map (	1983	$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	}	1984	}
1199		1985
1200	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1201		1987
1202	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1207		1993
1208	sub register {	1994	sub register {
1209	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	1996	my $pkg = caller;
1211		1997
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		1999
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	2001	}
1217		2002
1218	# also paths starting with '/'	2003	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		2005
1221	sub thawer_merge {	2006	sub thawer_merge {
1222	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1223		2008
1224	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
1225	local $self->{path};	2010	local $self->{path};
1226	local $self->{load_path};	2011	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		2012
1230	$self->SUPER::thawer_merge ($merge);	2013	$self->SUPER::thawer_merge ($merge);
1231	}	2014	}
1232		2015
1233	sub normalise {	2016	sub normalise {
1234	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1235		2018
1236	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1237		2020
1238	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1239		2022
1240	# map plan:	2023	# map plan:
1241	#	2024	#
…		…
1256	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1257	$path = "$base/$path";	2040	$path = "$base/$path";
1258	}	2041	}
1259		2042
1260	for ($path) {	2043	for ($path) {
1261	redo if s{//}{/};
1262	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1263	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1264	}	2046	}
1265		2047
1266	$path	2048	$path
…		…
1280	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1281	return $self;	2063	return $self;
1282	}	2064	}
1283	}	2065	}
1284		2066
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	2068	()
1287	}	2069	}
1288		2070
		2071	# may re-bless or do other evil things
1289	sub init {	2072	sub init {
1290	my ($self) = @_;	2073	my ($self) = @_;
1291		2074
1292	$self	2075	$self
1293	}	2076	}
…		…
1305		2088
1306	# the original (read-only) location	2089	# the original (read-only) location
1307	sub load_path {	2090	sub load_path {
1308	my ($self) = @_;	2091	my ($self) = @_;
1309		2092
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2093	"$MAPDIR/$self->{path}.map"
1311	}	2094	}
1312		2095
1313	# the temporary/swap location	2096	# the temporary/swap location
1314	sub save_path {	2097	sub save_path {
1315	my ($self) = @_;	2098	my ($self) = @_;
1316		2099
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2101	"$TMPDIR/$path.map"
1319	}	2102	}
1320		2103
1321	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1322	sub uniq_path {	2105	sub uniq_path {
1323	my ($self) = @_;	2106	my ($self) = @_;
1324		2107
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2109	"$UNIQUEDIR/$path"
1327	}	2110	}
1328		2111
1329	# and all this just because we cannot iterate over	2112	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	2113	my ($self) = @_;
1333		2114
1334	$_->change_map_light ($change)	2115	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	2116
		2117	$self->do_decay_objects;
1336	}	2118	}
1337		2119
1338	sub unlink_save {	2120	sub unlink_save {
1339	my ($self) = @_;	2121	my ($self) = @_;
1340		2122
…		…
1345		2127
1346	sub load_header_from($) {	2128	sub load_header_from($) {
1347	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1348		2130
1349	utf8::encode $path;	2131	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	2133	or return;
1355		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1356	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1357		2142
1358	1	2143	1
1359	}	2144	}
1360		2145
		2146	# used to laod the header of an original map
1361	sub load_header_orig {	2147	sub load_header_orig {
1362	my ($self) = @_;	2148	my ($self) = @_;
1363		2149
1364	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1365	}	2151	}
1366		2152
		2153	# used to laod the header of an instantiated map
1367	sub load_header_temp {	2154	sub load_header_temp {
1368	my ($self) = @_;	2155	my ($self) = @_;
1369		2156
1370	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1371	}	2158	}
1372		2159
		2160	# called after loading the header from an instantiated map
1373	sub prepare_temp {	2161	sub prepare_temp {
1374	my ($self) = @_;	2162	my ($self) = @_;
1375		2163
1376	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1377	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1378	# safety	2166	# safety
1379	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1380	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1381	}	2169	}
1382		2170
		2171	# called after loading the header from an original map
1383	sub prepare_orig {	2172	sub prepare_orig {
1384	my ($self) = @_;	2173	my ($self) = @_;
1385		2174
1386	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1387	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1398	$self->load_header_orig	2187	$self->load_header_orig
1399	or return;	2188	or return;
1400	$self->prepare_orig;	2189	$self->prepare_orig;
1401	}	2190	}
1402		2191
		2192	$self->{deny_reset} = 1
		2193	if $self->no_reset;
		2194
		2195	$self->default_region (cf::region::find_by_path $self->{path})
		2196	unless $self->default_region;
		2197
1403	1	2198	1
1404	}	2199	}
1405		2200
1406	sub find;	2201	sub find;
1407	sub find {	2202	sub find {
1408	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1409		2204
		2205	cf::cede_to_tick;
		2206
1410	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1411		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2211
1414	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1417	or return;	2214	or return;
1418		2215
1419	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1420		2217
1421	$map->load_header	2218	$map->load_header
1422	or return;	2219	or return;
1423		2220
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1427	$map->reset;	2226	$map->reset;
1428	undef $guard;
1429	return find $path;	2227	return find $path;
1430	}	2228	}
1431		2229
1432	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1433	}	2231	}
1434	}	2232	}
1435		2233
1436	sub pre_load { }	2234	sub pre_load { }
1437	sub post_load { }	2235	#sub post_load { } # XS
1438		2236
1439	sub load {	2237	sub load {
1440	my ($self) = @_;	2238	my ($self) = @_;
1441		2239
1442	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1443		2241
1444	my $path = $self->{path};	2242	my $path = $self->{path};
		2243
		2244	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1446		2246
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2247	return unless $self->valid;
		2248	return unless $self->state == cf::MAP_SWAPPED;
1448		2249
1449	$self->in_memory (cf::MAP_LOADING);
1450
1451	$self->alloc;	2250	$self->alloc;
1452		2251
1453	$self->pre_load;	2252	$self->pre_load;
		2253	cf::cede_to_tick;
1454		2254
1455	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1456	or return;	2259	or return;
1457		2260
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1459	if delete $self->{load_original};	2262	if delete $self->{load_original};
1460		2263
1461	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2265	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2268	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1466	}	2273	}
1467	}
1468		2274
1469	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
1470		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1471	# now do the right thing for maps	2284	# now do the right thing for maps
1472	$self->link_multipart_objects;	2285	$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)	2286	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2287	unless $self->difficulty;
1482	Coro::cede;	2288	cf::cede_to_tick;
1483	$self->activate;	2289
		2290	unless ($self->{deny_activate}) {
		2291	$self->decay_objects;
		2292	$self->fix_auto_apply;
		2293	$self->update_buttons;
		2294	cf::cede_to_tick;
		2295	#$self->activate; # no longer activate maps automatically
		2296	}
		2297
		2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1484	}	2300	}
1485		2301
1486	$self->post_load;	2302	$self->post_load;
1487		2303
1488	$self->in_memory (cf::MAP_IN_MEMORY);	2304	1
1489	}	2305	}
1490		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2310	sub customise_for {
1492	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1493		2312
1494	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2314	if $self->per_player;
1496		2315
		2316	# return find "?party/" . $ob->name . "/" . $self->{path}
		2317	# if $self->per_party;
		2318
1497	$self	2319	$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	}	2320	}
1523		2321
1524	sub find_sync {	2322	sub find_sync {
1525	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1526		2324
1527	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1528	}	2330	}
1529		2331
1530	sub do_load_sync {	2332	sub do_load_sync {
1531	my ($map) = @_;	2333	my ($map) = @_;
1532		2334
1533	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1534	}	2340	}
1535		2341
1536	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1538		2344
1539	sub find_async {	2345	sub find_async {
1540	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1541		2347
1542	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1543		2349
1544	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1546	}	2352	}
1547		2353
1548	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1549	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1550	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2361	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2362	$map->load if $v;
		2363	}
1555		2364
1556	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1557	}	2366	}
1558	}	2367	}
1559	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1560	};	2369	};
1561	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1562		2371
1563	()	2372	()
1564	}	2373	}
1565		2374
		2375	# common code, used by both ->save and ->swapout
1566	sub save {	2376	sub _save {
1567	my ($self) = @_;	2377	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2378
1571	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1572		2380
1573	return unless $self->dirty;	2381	return unless $self->dirty;
1574		2382
…		…
1580	return if $self->{deny_save};	2388	return if $self->{deny_save};
1581		2389
1582	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1583		2391
1584	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1586	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1587		2398
1588	if ($uniq) {	2399	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2402	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2404	}
1594	}	2405	}
1595		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1596	sub swap_out {	2415	sub swap_out {
1597	my ($self) = @_;	2416	my ($self) = @_;
1598		2417
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1604	return if $self->players;	2422	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1608	$self->clear;	2433	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2434	}
1611		2435
1612	sub reset_at {	2436	sub reset_at {
1613	my ($self) = @_;	2437	my ($self) = @_;
1614		2438
1615	# TODO: safety, remove and allow resettable per-player maps	2439	# 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};	2440	return 1e99 if $self->{deny_reset};
1618		2441
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2444
…		…
1632	my ($self) = @_;	2455	my ($self) = @_;
1633		2456
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2458
1636	return if $self->players;	2459	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2460
1639	warn "resetting map ", $self->path;#d#	2461	cf::trace "resetting map ", $self->path, "\n";
1640		2462
1641	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1642		2464
1643	# need to save uniques path	2465	# need to save uniques path
1644	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1645	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1646		2468
…		…
1648	if $uniq;	2470	if $uniq;
1649	}	2471	}
1650		2472
1651	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1652		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2477	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2478
1657	$self->unlink_save;	2479	$self->unlink_save;
1658	$self->destroy;	2480	$self->destroy;
1659	}	2481	}
1660		2482
1661	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1662		2484
1663	sub nuke {	2485	sub nuke {
1664	my ($self) = @_;	2486	my ($self) = @_;
1665		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1666	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1667		2492
1668	$self->unlink_save;	2493	$self->unlink_save;
1669		2494
1670	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2500
1676	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1677		2503
1678	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
		2505	}
		2506
		2507	=item $maps = cf::map::tmp_maps
		2508
		2509	Returns an arrayref with all map paths of currently instantiated and saved
		2510	maps. May block.
		2511
		2512	=cut
		2513
		2514	sub tmp_maps() {
		2515	[
		2516	map {
		2517	utf8::decode $_;
		2518	/\.map$/
		2519	? normalise $_
		2520	: ()
		2521	} @{ aio_readdir $TMPDIR or [] }
		2522	]
		2523	}
		2524
		2525	=item $maps = cf::map::random_maps
		2526
		2527	Returns an arrayref with all map paths of currently instantiated and saved
		2528	random maps. May block.
		2529
		2530	=cut
		2531
		2532	sub random_maps() {
		2533	[
		2534	map {
		2535	utf8::decode $_;
		2536	/\.map$/
		2537	? normalise "?random/$_"
		2538	: ()
		2539	} @{ aio_readdir $RANDOMDIR or [] }
		2540	]
1679	}	2541	}
1680		2542
1681	=item cf::map::unique_maps	2543	=item cf::map::unique_maps
1682		2544
1683	Returns an arrayref of paths of all shared maps that have	2545	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2546	instantiated unique items. May block.
1685		2547
1686	=cut	2548	=cut
1687		2549
1688	sub unique_maps() {	2550	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2551	[
1690	or return;	2552	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2553	utf8::decode $_;
1696	next if /\.pst$/;	2554	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2556	? ()
1699	push @paths, cf::map::normalise $_;	2557	: normalise $_
		2558	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2559	]
1701
1702	\@paths
1703	}	2560	}
1704		2561
1705	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1706		2593
1707	=back	2594	=back
1708		2595
1709	=head3 cf::object	2596	=head3 cf::object
1710		2597
…		…
1714		2601
1715	=over 4	2602	=over 4
1716		2603
1717	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
1718		2605
1719	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
1720		2608
1721	=cut	2609	=cut
1722		2610
1723	sub inv_recursive_;	2611	sub inv_recursive_;
1724	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
1727		2615
1728	sub inv_recursive {	2616	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
1730	}	2618	}
1731		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
1732	package cf;	2648	package cf;
1733		2649
1734	=back	2650	=back
1735		2651
1736	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	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	2659	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
1745		2661
1746	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
1747		2677
1748	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2679	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
1753		2683
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2685
1756	if ($self->{record_replies}) {	2686	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2688
1758	} else {	2689	} else {
		2690	my $pl = $self->contr;
		2691
		2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2693	my $dialog = $pl->{npc_dialog};
		2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2695
		2696	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2699	}
1761	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
1762	}	2711	}
1763		2712
1764	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
1765		2714
1766	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
1779		2728
1780	=item $player_object->enter_link	2729	=item $player_object->enter_link
1781		2730
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2732
1784	The player should be reasonably safe there for short amounts of time. You	2733	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.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
1786		2737
1787	Will never block.	2738	Will never block.
1788		2739
1789	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
1790		2741
…		…
1810	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2762	my ($self) = @_;
1812		2763
1813	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
1814		2765
		2766	++$self->{_link_recursion};
		2767
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2769
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2771	if $self->map && $self->map->{path} ne "{link}";
1819		2772
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2774	}
1822		2775
1823	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
		2778
		2779	return unless $self->contr->active;
1825		2780
1826	my $link_pos = delete $self->{_link_pos};	2781	my $link_pos = delete $self->{_link_pos};
1827		2782
1828	unless ($map) {	2783	unless ($map) {
1829	# restore original map position	2784	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
1842		2797
1843	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
1846		2801
1847	$map->load;	2802	$map->load;
1848	$map->load_diag;
1849		2803
1850	return unless $self->contr->active;	2804	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2805
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
1855	}	2808	# entering was successful
1856		2809	delete $self->{_link_recursion};
1857	cf::player->attach (	2810	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2811	$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	},	2812	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2813
1871	# try to abort aborted map switching on player login :)	2814	}
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		2815
1889	=item $player_object->goto ($path, $x, $y)	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2817
		2818	Moves the player to the given map-path and coordinates by first freezing
		2819	her, loading and preparing them map, calling the provided $check callback
		2820	that has to return the map if sucecssful, and then unfreezes the player on
		2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
1891	=cut	2827	=cut
		2828
		2829	our $GOTOGEN;
1892		2830
1893	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
		2839
		2840	# do generation counting so two concurrent goto's will be executed in-order
		2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2842
1896	$self->enter_link;	2843	$self->enter_link;
1897		2844
1898	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
1899	my $map = eval {	2867	my $map = eval {
1900	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2869
		2870	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2871	$map = $map->customise_for ($self);
		2872	$map = $check->($map, $x, $y, $self) if $check && $map;
		2873	} else {
		2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2875	}
		2876
1902	$map	2877	$map
		2878	};
		2879
		2880	if ($@) {
		2881	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2882	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2883	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2884
		2885	if ($gen == $self->{_goto_generation}) {
		2886	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
		2888	}
		2889
		2890	$done->($self) if $done;
1907	})->prio (1);	2891	})->prio (1);
1908	}	2892	}
1909		2893
1910	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
1911		2895
…		…
1931	}	2915	}
1932		2916
1933	sub prepare_random_map {	2917	sub prepare_random_map {
1934	my ($exit) = @_;	2918	my ($exit) = @_;
1935		2919
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2922	# that depends on the exit object
1941		2923
1942	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2926	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
1949	}	2933	}
1950		2934
1951	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
1952		2936
1953	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
1956		2940
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2943	undef $fh;
1960	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
1961		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
1964	}	2952	}
1965	}	2953	}
1966		2954
1967	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
1969		2957
1970	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
1971		2959
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;	2960	$self->enter_link;
1982		2961
1983	(async {	2962	(async {
1984	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
1985	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
1986	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
1987		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
1988	1;	3001	1
1989	}) {	3002	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
1994		3007
1995	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	3009	$self->leave_link;
1997	}	3010	}
1998	})->prio (1);	3011	})->prio (1);
1999	}	3012	}
2000		3013
…		…
2014		3027
2015	utf8::encode $text;	3028	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	3030	}
2018		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
		3219	=item $client->ext_msg ($type, @msg)
		3220
		3221	Sends an ext event to the client.
		3222
		3223	=cut
		3224
		3225	sub cf::client::ext_msg($$@) {
		3226	my ($self, $type, @msg) = @_;
		3227
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3229	}
2019		3230
2020	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2021		3232
2022	Queues a query to the client, calling the given callback with	3233	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>,	3234	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>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3236
2026	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3238	become reliable at some point in the future.
2028		3239
2029	=cut	3240	=cut
2030		3241
2031	sub cf::client::query {	3242	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3251	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3253
2043	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2045	}	3258	}
2046		3259
2047	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2048	on_reply => sub {	3266	on_reply => sub {
2049	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2050		3268
2051	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2052	# get handled first	3270	# get handled first
…		…
2064	} else {	3282	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3284	}
2067	}	3285	}
2068	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2069	);	3310	);
2070		3311
2071	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2072		3313
2073	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3330
2090	$coro	3331	$coro
2091	}	3332	}
2092		3333
2093	cf::client->attach (	3334	cf::client->attach (
2094	on_destroy => sub {	3335	on_client_destroy => sub {
2095	my ($ns) = @_;	3336	my ($ns) = @_;
2096		3337
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3339	},
2099	);	3340	);
…		…
2114	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2116		3357
2117	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2118		3359
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2120		3365
2121	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2122		3367
2123	=pod	3368	=pod
2124		3369
2125	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2126		3371
2127	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2128	cf::object::player player	3377	cf::object::player
2129	cf::player peaceful	3378	player
2130	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2131		3385
2132	=cut	3386	=cut
2133		3387
2134	for (	3388	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2139	) {	3395	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3398	for @funs;
2144	}	3399	}
2145		3400
…		…
2160		3415
2161	my $qcode = $code;	3416	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2164		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2165	local $_;	3423	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3424
2168	my $eval =	3425	my $eval =
2169	"do {\n"	3426	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3429	. $code
2173	. "\n}"	3430	. "\n}"
2174	;	3431	;
2175		3432
		3433	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2179		3442
2180	if ($@) {	3443	if ($@) {
2181	warn "$@";	3444	warn "$@",
2182	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2184	}	3447	}
2185		3448
2186	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2187	}	3450	}
2188		3451
…		…
2202	=cut	3465	=cut
2203		3466
2204	sub register_script_function {	3467	sub register_script_function {
2205	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2206		3469
2207	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2209	}	3472	}
2210		3473
2211	=back	3474	=back
2212		3475
2213	=cut	3476	=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 $_[2], 0, sub { };
2285	}
2286		3477
2287	#############################################################################	3478	#############################################################################
2288	# the server's init and main functions	3479	# the server's init and main functions
2289		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2290	sub load_facedata {	3505	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3506	my ($path) = @_;
2292		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2293	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2294		3515
2295	my $faces;	3516	my $facedata = decode_storable load_file $path;
2296	0 < aio_load $path, $faces
2297	or die "$path: $!";
2298		3517
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;
2301	Coro::cede;
2302
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3518	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3520
2307	while (my ($face, $info) = each %$faces) {	3521	cf::cede_to_tick;
		3522
		3523	{
		3524	my $faces = $facedata->{faceinfo};
		3525
		3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3529
		3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;	3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2313	}	3535	$FACEHASH{$info->{hash64}} = $idx;#d#
2314		3536
		3537	cf::cede_to_tick;
		3538	}
		3539
2315	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2317	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
		3544	or next;
		3545
		3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
		3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3549	} else {
		3550	error "smooth face '$info->{smooth}' not found for face '$face'";
		3551	}
		3552
		3553	cf::cede_to_tick;
		3554	}
		3555	}
		3556
		3557	{
		3558	my $anims = $facedata->{animinfo};
		3559
		3560	while (my ($anim, $info) = each %$anims) {
		3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3562	cf::cede_to_tick;
		3563	}
		3564
		3565	cf::anim::invalidate_all; # d'oh
		3566	}
		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
		3590	1
		3591	}
		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
		3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
		3629	load_resource_file "$MAPDIR/regions"
		3630	or die "unable to load regions file\n";
		3631
		3632	for (cf::region::list) {
		3633	$_->{match} = qr/$_->{match}/
		3634	if exists $_->{match};
		3635	}
		3636	}
		3637
		3638	sub reload_facedata {
		3639	load_facedata "$DATADIR/facedata"
		3640	or die "unable to load facedata\n";
		3641	}
		3642
		3643	sub reload_archetypes {
		3644	load_resource_file "$DATADIR/archetypes"
		3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
		3655	}
		3656
		3657	sub reload_treasures {
		3658	load_resource_file "$DATADIR/treasures"
		3659	or die "unable to load treasurelists\n";
		3660	}
		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
2318	or next;	3669	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3670
2320	cf::face::set_smooth $idx, $smooth;	3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
2321	} else {	3722	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
2323	}	3727	}
2324	Coro::cede;
2325	}
2326		3728
		3729	cf::cede_to_tick;
		3730	}
2327	1	3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
2328	}	3742	}
2329		3743
2330	sub reload_resources {	3744	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3745	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3746
		3747	reload_materials;
2333	load_facedata	3748	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3749	reload_exp_table;
2335	}	3750	reload_sound;
2336		3751	reload_archetypes;
2337	sub init {
2338	reload_resources;	3752	reload_regions;
2339	}	3753	reload_treasures;
		3754	reload_pod;
2340		3755
2341	sub cfg_load {	3756	trace "finished reloading resource files\n";
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3757	}
2343	or return;
2344		3758
2345	local $/;	3759	sub reload_config {
2346	*CFG = YAML::Syck::Load <$fh>;	3760	trace "reloading config file...\n";
2347		3761
		3762	my $config = load_file "$CONFDIR/config";
		3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
		3765
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3767
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$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};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3770
2353	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2357	};	3775	};
2358	warn $@ if $@;	3776	warn $@ if $@;
2359	}	3777	}
2360	}	3778	}
2361		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2362	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2363	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3821	(async {
2367	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2369	};	3825	};
2370		3826
2371	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2372	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2373	load_extensions;	3851	load_extensions;
2374		3852
2375	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2377	}	3870	}
2378		3871
2379	#############################################################################	3872	#############################################################################
2380	# initialisation and cleanup	3873	# initialisation and cleanup
2381		3874
2382	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2383	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3879	$SIGWATCHER{$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";	3880	cf::cleanup "SIG$signal";
2392	},
2393	);	3881	};
		3882	}
		3883	}
		3884
		3885	sub write_runtime_sync {
		3886	my $t0 = AE::time;
		3887
		3888	# first touch the runtime file to show we are still running:
		3889	# the fsync below can take a very very long time.
		3890
		3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3892
		3893	my $guard = cf::lock_acquire "write_runtime";
		3894
		3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3896	or return;
		3897
		3898	my $value = $cf::RUNTIME + 90 + 10;
		3899	# 10 is the runtime save interval, for a monotonic clock
		3900	# 60 allows for the watchdog to kill the server.
		3901
		3902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3903	and return;
		3904
		3905	# always fsync - this file is important
		3906	aio_fsync $fh
		3907	and return;
		3908
		3909	# touch it again to show we are up-to-date
		3910	aio_utime $fh, undef, undef;
		3911
		3912	close $fh
		3913	or return;
		3914
		3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3916	and return;
		3917
		3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3919
2394	}	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2395	}	3971	}
2396		3972
2397	sub emergency_save() {	3973	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2399		3975
2400	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2401		3982
2402	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2403	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3994	$pl->save;
2411	}	3995	}
2412	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2413		3997
2414	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	4003	$map->valid or next;
2418	$map->save;	4004	$map->save;
2419	}	4005	}
2420	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2421		4007
2422	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2425	};	4036	};
2426		4037
2427	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2428	}	4039	}
2429		4040
2430	sub post_cleanup {	4041	sub post_cleanup {
2431	my ($make_core) = @_;	4042	my ($make_core) = @_;
2432		4043
		4044	IO::AIO::flush;
		4045
2433	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	4047	if $make_core;
2435	}
2436		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
		4076	}
		4077
2437	sub reload() {	4078	sub do_reload_perl() {
2438	# can/must only be called in main	4079	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2440	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2441	return;	4082	return;
2442	}	4083	}
2443		4084
2444	warn "reloading...";	4085	return if $RELOAD++;
2445		4086
2446	warn "entering sync_job";	4087	my $t1 = AE::time;
2447		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2448	cf::sync_job {	4095	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	4096	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		4097
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";	4098	trace "perl_reload: cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	4100	%EXT_CORO = ();
2477		4101
2478	warn "removing commands";	4102	trace "perl_reload: removing commands";
2479	%COMMAND = ();	4103	%COMMAND = ();
2480		4104
2481	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2482	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2483		4108
2484	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2487		4112
2488	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2489	eval {	4114	eval {
2490	$cb->($pkg);	4115	$cb->($pkg);
2491	1	4116	1
2492	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2493	}	4122	}
2494		4123
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		4127
2503	warn "... unloading $k";	4128	trace "... unloading $k";
2504	delete $INC{$k};	4129	delete $INC{$k};
2505		4130
2506	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2508		4133
2509	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2511	}	4139	}
2512		4140
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		4144
2520	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
		4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		4148
2523	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2524	# and global variables created in xs	4150	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2526		4152
2527	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2528		4154
2529	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2530	require cf;	4156	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2532		4158
2533	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2534	cf::cfg_load;	4160	cf::reload_config;
2535		4161
2536	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2537	cf::load_extensions;	4163	cf::load_extensions;
2538		4164
		4165	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2542	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
2545		4173
2546	warn "loading reloadable resources";	4174	cf::_post_init 1;
2547	reload_resources;
2548		4175
2549	warn "leaving sync_job";	4176	trace "perl_reload: leaving sync_job";
2550		4177
2551	1	4178	1
2552	} or do {	4179	} or do {
2553	warn $@;	4180	error $@;
2554	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
2555	exit 1;	4182	};
		4183
		4184	--$RELOAD;
		4185	}
		4186
		4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
		4189	};
		4190
		4191	our $RELOAD_WATCHER; # used only during reload
		4192
		4193	sub reload_perl() {
		4194	# doing reload synchronously and two reloads happen back-to-back,
		4195	# coro crashes during coro_state_free->destroy here.
		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
		4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4201	do_reload_perl;
		4202	undef $RELOAD_WATCHER;
		4203	};
2556	};	4204	};
2557		4205	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		4206
2563	register_command "reload" => sub {	4207	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2565		4209
2566	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
2568		4212	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4213	$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;	4214	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4215	};
2581	}	4216	}
2582	};	4217	};
2583		4218
2584	unshift @INC, $LIBDIR;	4219	#############################################################################
2585		4220
2586	my $bug_warning = 0;	4221	my $bug_warning = 0;
2587		4222
2588	$TICK_WATCHER = Event->timer (	4223	sub wait_for_tick() {
2589	reentrant => 0,	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2590	parked => 1,	4225
2591	prio => 0,	4226	$WAIT_FOR_TICK->wait;
2592	at => $NEXT_TICK || $TICK,	4227	}
2593	data => WF_AUTOCANCEL,	4228
2594	cb => sub {	4229	sub wait_for_tick_begin() {
		4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4231
		4232	my $signal = new Coro::Signal;
		4233	push @WAIT_FOR_TICK_BEGIN, $signal;
		4234	$signal->wait;
		4235	}
		4236
		4237	sub tick {
2595	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2598	return;	4241	return;
2599	}	4242	}
2600		4243
2601	$NOW = Event::time;	4244	cf::one_tick; # one server iteration
2602		4245
2603	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4247
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4250	Coro::async_pool {
		4251	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4252	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4254	};
		4255	}
2614		4256
		4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4258	$sig->send;
		4259	}
2615	$WAIT_FOR_TICK->broadcast;	4260	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617		4261
2618	# my $AFTER = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2619	# warn $AFTER - $NOW;#d#	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2620		4264
2621	# if we are delayed by four ticks or more, skip them all	4265	if (0) {
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4266	if ($NEXT_TICK) {
2623		4267	my $jitter = $TICK_START - $NEXT_TICK;
2624	$TICK_WATCHER->at ($NEXT_TICK);	4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2625	$TICK_WATCHER->start;	4269	debug "jitter $JITTER\n";#d#
		4270	}
2626	},	4271	}
2627	);	4272	}
2628		4273
2629	{	4274	{
2630	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
2632	reentrant => 0,	4277
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;	4278	BDB::min_parallel 16;
2640		4279	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4280	#$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	$! = $status;
2652	},
2653	)
2654	};
2655		4281
2656	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4289
2659	cf::sync_job {	4290	cf::sync_job {
2660	eval {	4291	eval {
2661	BDB::db_env_open	4292	BDB::db_env_open
2662	$DB_ENV,	4293	$DB_ENV,
2663	$BDB_ENV_DIR,	4294	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4297	0666;
2667		4298
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4299	cf::cleanup "db_env_open($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	};	4300	};
2673		4301
2674	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4303	};
2676	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
2677	}	4317	}
2678		4318
2679	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
2680	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,	4326	info "aio initialised";
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4327	}
		4328
		4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
		4331
		4332	sub _log_backtrace {
		4333	my ($msg, @addr) = @_;
		4334
		4335	$msg =~ s/\n$//;
		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4340	# limit the # of concurrent backtraces
		4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
		4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
		4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
		4348	my @bt = fork_call {
		4349	@addr = map { sprintf "%x", $_ } @addr;
		4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4352	or die "addr2line: $!";
		4353
		4354	my @funcs;
		4355	my @res = <$fh>;
		4356	chomp for @res;
		4357	while (@res) {
		4358	my ($func, $line) = splice @res, 0, 2, ();
		4359	push @funcs, "[$func] $line";
		4360	}
		4361
		4362	@funcs
		4363	};
		4364
		4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4367	LOG llevInfo, "[ABT] $_\n" for @bt;
		4368	--$_log_backtrace;
		4369	};
		4370	} else {
		4371	LOG llevInfo, "[ABT] $msg\n";
		4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4373	}
		4374	}
		4375
		4376	# load additional modules
		4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
2693		4379
2694	END { cf::emergency_save }	4380	END { cf::emergency_save }
2695		4381
2696	1	4382	1
2697		4383

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