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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
21		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
22	use BDB ();	58	use BDB ();
23	use Data::Dumper;	59	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	60	use Fcntl;
26	use YAML::Syck ();	61	use YAML::XS ();
27	use IO::AIO 2.32 ();	62	use IO::AIO ();
28	use Time::HiRes;
29	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
30		67
31	# configure various modules to our taste	68	# configure various modules to our taste
32	#	69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		78
36	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
37		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		81
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
44		85
45	our %COMMAND = ();	86	our %COMMAND = ();
46	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
47		88
48	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
52		96
53	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	98	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103
59	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
62	our $NOW;	144	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		145
65	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		149
82	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
85	binmode STDOUT;	166	binmode STDOUT;
86	binmode STDERR;	167	binmode STDERR;
87		168
88	# read virtual server time, if available	169	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
93	}	174	}
94		175
95	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	177
97	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		180
102	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
103		182
104	sub cf::map::normalise;	183	sub cf::map::normalise;
105		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
106	#############################################################################	189	#############################################################################
107		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
108	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
109		203
110	=over 4	204	=over 4
111		205
112	=item $cf::UPTIME	206	=item $cf::UPTIME
113		207
114	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
115		224
116	=item $cf::RUNTIME	225	=item $cf::RUNTIME
117		226
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	228	every server tick.
120		229
121	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		233
123	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
125		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
126	=item $cf::NOW	245	=item $cf::LOAD
127		246
128	The time of the last (current) server tick.	247	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		248
134	=item %cf::CFG	249	=item %cf::CFG
135		250
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	252	from wherever your confdir points to.
138		253
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		255
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
143	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
144	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
145		289
146	=back	290	=back
147		291
148	=cut	292	=cut
149		293
150	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	301	my $msg = join "", @_;
153	utf8::encode $msg;
154		302
155	$msg .= "\n"	303	$msg .= "\n"
156	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
157		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
158	LOG llevError, $msg;	308	LOG llevWarn, $msg;
159	};	309	};
160	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
161		324
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		332
169	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	334	# within the Safe compartment.
171	for my $pkg (qw(	335	for my $pkg (qw(
172	cf::global cf::attachable	336	cf::global cf::attachable
173	cf::object cf::object::player	337	cf::object cf::object::player
174	cf::client cf::player	338	cf::client cf::player
175	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
176	cf::map cf::party cf::region	341	cf::party cf::region
177	)) {	342	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	344	}
181		345
182	$Event::DIED = sub {	346	$EV::DIED = sub {
183	warn "error in event callback: @_";	347	warn "error in event callback: $@";
184	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
185		356
186	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
187		358
188	=over 4	359	=over 4
189		360
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	380	$d
210	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
211	}	382	}
212		383
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
214		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
215	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
216		437
217	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
218		439
219	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
220		441
221	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
222		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
223	=item cf::lock_wait $string	513	=item cf::lock_wait $string
224		514
225	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
226		516
227	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
228		518
229	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
232	returned.	522	returned.
233		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
234	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
236		529
237	=cut	530	=item $locked = cf::lock_active $string
238		531
239	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
240		537
241	sub lock_wait($) {	538	sub lock_wait($) {
242	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	540	}
250		541
251	sub lock_acquire($) {	542	sub lock_acquire($) {
252	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
253		545
254	# wait, to be sure we are not locked	546	sub lock_active($) {
255	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	548	}
264		549
265	sub freeze_mainloop {	550	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
267		552
268	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
270	};	623	}
271	$TICK_WATCHER->stop;	624	};
272	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
273	}	639	}
274		640
275	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
276		642
277	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		648
283	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
284		650
285	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
286		652
287	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
290		657
291	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
294	fast or be very important.	661	fast or be very important.
…		…
296	=cut	663	=cut
297		664
298	sub sync_job(&) {	665	sub sync_job(&) {
299	my ($job) = @_;	666	my ($job) = @_;
300		667
301	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
302	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
304		673
305	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	675
307	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
308		677
309	my $busy = 1;	678	my $busy = 1;
310	my @res;	679	my @res;
311		680
312	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	683	@res = eval { $job->() };
314	warn $@ if $@;	684	error $@ if $@;
315	undef $busy;	685	undef $busy;
316	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
317		687
318	while ($busy) {	688	while ($busy) {
319	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
320	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
321		699
322	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
323	} else {	701	} else {
324	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
325		703
…		…
345	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
346		724
347	$coro	725	$coro
348	}	726	}
349		727
350	sub write_runtime {	728	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		729
353	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
354		734
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
356	or return;
357		736
358	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
360	# 60 allows for the watchdog to kill the server.	739	}
361		740
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
363	and return;	742	my ($cb, @args) = @_;
364		743
365	# always fsync - this file is important	744	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
367	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
368		747
369	close $fh	748	my @res = Coro::Util::fork_eval {
370	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
371		752
372	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
373	and return;	754	}
374		755
		756	sub objinfo {
375	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = EV::time;
		907	my $data = $process->(\@data);
		908	my $t2 = EV::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
		920	}
		921
		922	=item cf::datalog type => key => value, ...
		923
		924	Log a datalog packet of the given type with the given key-value pairs.
		925
		926	=cut
		927
		928	sub datalog($@) {
		929	my ($type, %kv) = @_;
		930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	931	}
377		932
378	=back	933	=back
379		934
380	=cut	935	=cut
381		936
382	#############################################################################	937	#############################################################################
383		938
384	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
385		940
386	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
389		944
390	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	947	Deliantra).
393		948
394	=over 4	949	=over 4
395		950
396	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
397		952
…		…
441	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
442		997
443	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
445		1000
446	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
448		1003
449	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
450		1005
451	=over 4	1006	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
561		1116
562	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1121
567	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
569		1124
570	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
575		1130
576	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1133
579	} elsif (ref $type) {	1134	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
581		1136
582	} else {	1137	} else {
583	shift @arg;	1138	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
585	}	1140	}
586	}	1141	}
587	}	1142	}
588		1143
589	sub _object_attach {	1144	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
600	}	1155	}
601		1156
602	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
603	} else {	1158	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1160	}
606		1161
607	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
608	}	1163	}
609		1164
…		…
611	if (ref $_[0]) {	1166	if (ref $_[0]) {
612	_object_attach @_;	1167	_object_attach @_;
613	} else {	1168	} else {
614	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
615	}	1170	}
		1171	_recalc_want;
616	};	1172	};
617		1173
618	# all those should be optimised	1174	# all those should be optimised
619	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1180	reattach ($obj);
625	} else {	1181	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
627	}	1183	}
		1184	_recalc_want;
628	};	1185	};
629		1186
630	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
632		1189
…		…
647	";	1204	";
648	die if $@;	1205	die if $@;
649	}	1206	}
650		1207
651	our $override;	1208	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1210
654	sub override {	1211	sub override {
655	$override = 1;	1212	$override = 1;
656	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
657	}	1214	}
658		1215
659	sub do_invoke {	1216	sub do_invoke {
660	my $event = shift;	1217	my $event = shift;
661	my $callbacks = shift;	1218	my $callbacks = shift;
662		1219
663	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
664		1221
665	local $override;	1222	local $override;
666		1223
667	for (@$callbacks) {	1224	for (@$callbacks) {
668	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
669		1226
670	if ($@) {	1227	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1229	override;
674	}	1230	}
675		1231
676	return 1 if $override;	1232	return 1 if $override;
677	}	1233	}
678		1234
679	0	1235	0
680	}	1236	}
681		1237
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1239
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1241
686	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
687		1243
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1247
692	=back	1248	=back
693		1249
694	=cut	1250	=cut
695		1251
696	#############################################################################	1252	#############################################################################
697	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
698		1296
699	sub reattach {	1297	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1299	my ($obj) = @_;
702		1300
		1301	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1303
705	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
706		1305
707	@$registry = ();	1306	@$registry = ();
708		1307
…		…
713	for (@$attach) {	1312	for (@$attach) {
714	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
716	}	1315	}
717	} else {	1316	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1318	}
720	}	1319	}
721	}	1320	}
722		1321
723	cf::attachable->attach (	1322	cf::attachable->attach (
724	prio => -1000000,	1323	prio => -1000000,
725	on_instantiate => sub {	1324	on_instantiate => sub {
726	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
727		1326
728	$data = from_json $data;	1327	$data = decode_json $data;
729		1328
730	for (@$data) {	1329	for (@$data) {
731	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
732		1331
733	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1348	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
751		1350
752	sync_job {	1351	sync_job {
753	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
756		1357
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
761	close $fh;	1365	aio_close $fh;
762		1366
763	if (@$objs) {	1367	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
769	close $fh;	1376	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
771	}	1378	}
772	} else {	1379	} else {
773	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
774	}	1381	}
775		1382
776	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1387	} else {
778	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
779	}	1389	}
780	} else {	1390	} else {
781	aio_unlink $filename;	1391	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
783	}	1393	}
784	}	1394	};
785	}	1395	}
786		1396
787	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
789		1399
…		…
801	or return;	1411	or return;
802		1412
803	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
805	or return;	1415	or return;
		1416
806	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
807	}	1419	}
808		1420
		1421	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
811	return ($data, $av);	1426	($data, $av)
812	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
813		1434
814	#############################################################################	1435	#############################################################################
815	# command handling &c	1436	# command handling &c
816		1437
817	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
818		1439
819	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
820	$name.	1441	$name.
821		1442
822	=cut	1443	=cut
…		…
828	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
829		1450
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1452	}
832		1453
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
834		1455
835	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
836		1461
837	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
838	called.
839		1463
840	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
841		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
842	sub register_extcmd {	1486	sub register_extcmd($$) {
843	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
844		1488
845	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
846	}	1490	}
847		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
848	cf::player->attach (	1512	cf::player->attach (
849	on_command => sub {	1513	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
851		1515
852	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
853	or return;	1517	or return;
854		1518
…		…
859	cf::override;	1523	cf::override;
860	},	1524	},
861	on_extcmd => sub {	1525	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
863		1527
864	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1529
866	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
869	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
870	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
871	}	1551	}
		1552
872	} else {	1553	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1555	}
875		1556
876	cf::override;	1557	cf::override;
877	},	1558	},
878	);	1559	);
879		1560
		1561	# "readahead" all extensions
880	sub load_extension {	1562	sub cache_extensions {
881	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
882		1564
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1568	}
908	die $@;
909	}	1569	};
910		1570
911	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
912	}	1583	}
913		1584
914	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
915	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1594	next unless -r $path;
917	eval {	1595
918	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
919	1	1668	}
920	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
921	}	1681	};
922	}	1682	}
923		1683
924	#############################################################################	1684	#############################################################################
925		1685
		1686	=back
		1687
926	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
927		1689
928	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
929		1691
930	=cut	1692	=cut
931		1693
932	package cf::player;	1694	package cf::player;
933		1695
…		…
935		1697
936	=head3 cf::player	1698	=head3 cf::player
937		1699
938	=over 4	1700	=over 4
939		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
940	=item cf::player::find $login	1716	=item cf::player::find $login
941		1717
942	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
943		1719
944	=cut	1720	=cut
945		1721
946	sub playerdir($) {	1722	sub playerdir($) {
947	cf::localdir	1723	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1725	}
953		1726
954	sub path($) {	1727	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1729
957	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
958	}	1731	}
959		1732
960	sub find_active($) {	1733	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
965		1738
966	sub exists($) {	1739	sub exists($) {
967	my ($login) = @_;	1740	my ($login) = @_;
968		1741
969	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
971	}	1744	}
972		1745
973	sub find($) {	1746	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1748	my $login = $_[0];
976		1749
977	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
978		1751
979	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1753	# rename old playerfiles to new ones
		1754	#TODO: remove when no longer required
		1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1758	aio_unlink +(playerdir $login) . "/$login.pl";
		1759
		1760	my $f = new_from_file cf::object::thawer path $login
981	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
983	}	1769	}
984	}	1770	}
985	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
986		1785
987	sub save($) {	1786	sub save($) {
988	my ($pl) = @_;	1787	my ($pl) = @_;
989		1788
990	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
996		1795
997	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
999		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1000	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1001	Coro::cede;	1805	cf::cede_to_tick;
1002	}	1806	}
1003		1807
1004	sub new($) {	1808	sub new($) {
1005	my ($login) = @_;	1809	my ($login) = @_;
1006		1810
…		…
1012	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1013		1817
1014	$self	1818	$self
1015	}	1819	}
1016		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1017	=item $pl->quit_character	1831	=item $pl->quit_character
1018		1832
1019	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1021		1835
…		…
1025	my ($pl) = @_;	1839	my ($pl) = @_;
1026		1840
1027	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1028		1842
1029	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1845
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1035	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1036		1854
1037	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1069		1887
1070	=cut	1888	=cut
1071		1889
1072	sub list_logins {	1890	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1892	or return [];
1075		1893
1076	my @logins;	1894	my @logins;
1077		1895
1078	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1082		1906
1083	utf8::decode $login;	1907	utf8::decode $login;
1084	push @logins, $login;	1908	push @logins, $login;
1085	}	1909	}
1086		1910
1087	\@logins	1911	\@logins
1088	}	1912	}
1089		1913
1090	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1091		1917
1092	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1093	player. May block.	1919	player. May block.
1094		1920
1095	=cut	1921	=cut
…		…
1113	}	1939	}
1114		1940
1115	\@paths	1941	\@paths
1116	}	1942	}
1117		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1119		1949
1120	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1121		1951
1122	=cut	1952	=cut
1123		1953
1124	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1125	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1126		1956
1127	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1958	}
1131		1959
1132	package cf;	1960	=head3 cf::region
		1961
		1962	=over 4
		1963
		1964	=cut
		1965
		1966	package cf::region;
		1967
		1968	=item cf::region::find_by_path $path
		1969
		1970	Tries to decuce the likely region for a map knowing only its path.
		1971
		1972	=cut
		1973
		1974	sub find_by_path($) {
		1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
		1979	my ($match, $specificity);
		1980
		1981	for my $region (list) {
		1982	if ($region->{match} && $path =~ $region->{match}) {
		1983	($match, $specificity) = ($region, $region->specificity)
		1984	if $region->specificity > $specificity;
		1985	}
		1986	}
		1987
		1988	$match
		1989	}
1133		1990
1134	=back	1991	=back
1135
1136		1992
1137	=head3 cf::map	1993	=head3 cf::map
1138		1994
1139	=over 4	1995	=over 4
1140		1996
…		…
1152	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1154		2010
1155	sub generate_random_map {	2011	sub generate_random_map {
1156	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1158	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	2017	}
1172		2018
1173	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1174		2020
1175	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1180		2026
1181	sub register {	2027	sub register {
1182	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	2029	my $pkg = caller;
1184		2030
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		2032
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	2034	}
1190		2035
1191	# also paths starting with '/'	2036	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		2038
1194	sub thawer_merge {	2039	sub thawer_merge {
1195	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1196		2041
1197	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1198	local $self->{path};	2043	local $self->{path};
1199	local $self->{load_path};	2044	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		2045
1203	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1204	}	2047	}
1205		2048
1206	sub normalise {	2049	sub normalise {
1207	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1208		2051
1209	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1210		2053
1211	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1212		2055
1213	# map plan:	2056	# map plan:
1214	#	2057	#
…		…
1229	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	2073	$path = "$base/$path";
1231	}	2074	}
1232		2075
1233	for ($path) {	2076	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1237	}	2079	}
1238		2080
1239	$path	2081	$path
…		…
1253	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1254	return $self;	2096	return $self;
1255	}	2097	}
1256	}	2098	}
1257		2099
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	2101	()
1260	}	2102	}
1261		2103
		2104	# may re-bless or do other evil things
1262	sub init {	2105	sub init {
1263	my ($self) = @_;	2106	my ($self) = @_;
1264		2107
1265	$self	2108	$self
1266	}	2109	}
…		…
1278		2121
1279	# the original (read-only) location	2122	# the original (read-only) location
1280	sub load_path {	2123	sub load_path {
1281	my ($self) = @_;	2124	my ($self) = @_;
1282		2125
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1284	}	2127	}
1285		2128
1286	# the temporary/swap location	2129	# the temporary/swap location
1287	sub save_path {	2130	sub save_path {
1288	my ($self) = @_;	2131	my ($self) = @_;
1289		2132
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1292	}	2135	}
1293		2136
1294	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1295	sub uniq_path {	2138	sub uniq_path {
1296	my ($self) = @_;	2139	my ($self) = @_;
1297		2140
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1300	}	2143	}
1301		2144
1302	# and all this just because we cannot iterate over	2145	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2146	my ($self) = @_;
1306		2147
1307	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1309	}	2151	}
1310		2152
1311	sub unlink_save {	2153	sub unlink_save {
1312	my ($self) = @_;	2154	my ($self) = @_;
1313		2155
…		…
1318		2160
1319	sub load_header_from($) {	2161	sub load_header_from($) {
1320	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1321		2163
1322	utf8::encode $path;	2164	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2166	or return;
1328		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1329	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1330		2175
1331	1	2176	1
1332	}	2177	}
1333		2178
		2179	# used to laod the header of an original map
1334	sub load_header_orig {	2180	sub load_header_orig {
1335	my ($self) = @_;	2181	my ($self) = @_;
1336		2182
1337	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1338	}	2184	}
1339		2185
		2186	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2187	sub load_header_temp {
1341	my ($self) = @_;	2188	my ($self) = @_;
1342		2189
1343	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1344	}	2191	}
1345		2192
		2193	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2194	sub prepare_temp {
1347	my ($self) = @_;	2195	my ($self) = @_;
1348		2196
1349	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1351	# safety	2199	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2202	}
1355		2203
		2204	# called after loading the header from an original map
1356	sub prepare_orig {	2205	sub prepare_orig {
1357	my ($self) = @_;	2206	my ($self) = @_;
1358		2207
1359	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2220	$self->load_header_orig
1372	or return;	2221	or return;
1373	$self->prepare_orig;	2222	$self->prepare_orig;
1374	}	2223	}
1375		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
		2228	$self->default_region (cf::region::find_by_path $self->{path})
		2229	unless $self->default_region;
		2230
1376	1	2231	1
1377	}	2232	}
1378		2233
1379	sub find;	2234	sub find;
1380	sub find {	2235	sub find {
1381	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1382		2237
		2238	cf::cede_to_tick;
		2239
1383	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1384		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2244
1387	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1390	or return;	2247	or return;
1391		2248
1392	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1393		2250
1394	$map->load_header	2251	$map->load_header
1395	or return;	2252	or return;
1396		2253
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1400	$map->reset;	2259	$map->reset;
1401	undef $guard;
1402	return find $path;	2260	return find $path;
1403	}	2261	}
1404		2262
1405	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1406	}	2264	}
1407	}	2265	}
1408		2266
1409	sub pre_load { }	2267	sub pre_load { }
1410	sub post_load { }	2268	#sub post_load { } # XS
1411		2269
1412	sub load {	2270	sub load {
1413	my ($self) = @_;	2271	my ($self) = @_;
1414		2272
1415	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1416		2274
1417	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1419		2279
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1421		2282
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2283	$self->alloc;
1425		2284
1426	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1427		2287
1428	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1429	or return;	2292	or return;
1430		2293
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1432	if delete $self->{load_original};	2295	if delete $self->{load_original};
1433		2296
1434	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2298	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2301	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1439	}	2306	}
1440	}
1441		2307
1442	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1443		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1444	# now do the right thing for maps	2317	# now do the right thing for maps
1445	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2320	unless $self->difficulty;
1455	Coro::cede;	2321	cf::cede_to_tick;
1456	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1457	}	2333	}
1458		2334
1459	$self->post_load;	2335	$self->post_load;
1460		2336
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1462	}	2338	}
1463		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2343	sub customise_for {
1465	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1466		2345
1467	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2347	if $self->per_player;
1469		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1470	$self	2352	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2353	}
1496		2354
1497	sub find_sync {	2355	sub find_sync {
1498	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1499		2357
1500	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1501	}	2363	}
1502		2364
1503	sub do_load_sync {	2365	sub do_load_sync {
1504	my ($map) = @_;	2366	my ($map) = @_;
1505		2367
1506	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1507	}	2373	}
1508		2374
1509	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1511		2377
1512	sub find_async {	2378	sub find_async {
1513	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1514		2380
1515	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1516		2382
1517	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1519	}	2385	}
1520		2386
1521	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1522	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1523	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2394	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2395	$map->load if $v;
		2396	}
1528		2397
1529	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1530	}	2399	}
1531	}	2400	}
1532	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1533	};	2402	};
1534	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1535		2404
1536	()	2405	()
1537	}	2406	}
1538		2407
		2408	# common code, used by both ->save and ->swapout
1539	sub save {	2409	sub _save {
1540	my ($self) = @_;	2410	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2411
1544	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1545		2413
1546	return unless $self->dirty;	2414	return unless $self->dirty;
1547		2415
…		…
1553	return if $self->{deny_save};	2421	return if $self->{deny_save};
1554		2422
1555	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1556		2424
1557	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1559	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1560		2431
1561	if ($uniq) {	2432	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2435	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2437	}
1567	}	2438	}
1568		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1569	sub swap_out {	2448	sub swap_out {
1570	my ($self) = @_;	2449	my ($self) = @_;
1571		2450
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1577	return if $self->players;	2455	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1581	$self->clear;	2466	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2467	}
1584		2468
1585	sub reset_at {	2469	sub reset_at {
1586	my ($self) = @_;	2470	my ($self) = @_;
1587		2471
1588	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1591		2474
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2477
…		…
1605	my ($self) = @_;	2488	my ($self) = @_;
1606		2489
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2491
1609	return if $self->players;	2492	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2493
1612	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1613		2495
1614	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1615		2497
1616	# need to save uniques path	2498	# need to save uniques path
1617	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2501
…		…
1621	if $uniq;	2503	if $uniq;
1622	}	2504	}
1623		2505
1624	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1625		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2510	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2511
1630	$self->unlink_save;	2512	$self->unlink_save;
1631	$self->destroy;	2513	$self->destroy;
1632	}	2514	}
1633		2515
1634	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1635		2517
1636	sub nuke {	2518	sub nuke {
1637	my ($self) = @_;	2519	my ($self) = @_;
1638		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1639	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1640		2525
1641	$self->unlink_save;	2526	$self->unlink_save;
1642		2527
1643	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2533
1649	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1650		2536
1651	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1652	}	2574	}
1653		2575
1654	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1655		2577
1656	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2579	instantiated unique items. May block.
1658		2580
1659	=cut	2581	=cut
1660		2582
1661	sub unique_maps() {	2583	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1663	or return;	2585	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2586	utf8::decode $_;
1669	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2589	? ()
1672	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2592	]
1674
1675	\@paths
1676	}	2593	}
1677		2594
1678	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1679		2626
1680	=back	2627	=back
1681		2628
1682	=head3 cf::object	2629	=head3 cf::object
1683		2630
…		…
1687		2634
1688	=over 4	2635	=over 4
1689		2636
1690	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1691		2638
1692	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1693		2641
1694	=cut	2642	=cut
1695		2643
1696	sub inv_recursive_;	2644	sub inv_recursive_;
1697	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1700		2648
1701	sub inv_recursive {	2649	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1703	}	2651	}
1704		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1705	package cf;	2681	package cf;
1706		2682
1707	=back	2683	=back
1708		2684
1709	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1718		2694
1719	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1720		2710
1721	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2712	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1726		2716
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2718
1729	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1731	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1734	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1735	}	2744	}
1736		2745
1737	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1738		2747
1739	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1752		2761
1753	=item $player_object->enter_link	2762	=item $player_object->enter_link
1754		2763
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2765
1757	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1759		2770
1760	Will never block.	2771	Will never block.
1761		2772
1762	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1763		2774
…		…
1783	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2795	my ($self) = @_;
1785		2796
1786	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1787		2798
		2799	++$self->{_link_recursion};
		2800
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2802
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1792		2805
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2807	}
1795		2808
1796	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1798		2813
1799	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1800		2815
1801	unless ($map) {	2816	unless ($map) {
1802	# restore original map position	2817	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1815		2830
1816	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1819		2834
1820	$map->load;	2835	$map->load;
1821	$map->load_diag;
1822		2836
1823	return unless $self->contr->active;	2837	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2838
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1828	}	2841	# entering was successful
1829		2842	delete $self->{_link_recursion};
1830	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2844	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2845	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2846
1844	# try to abort aborted map switching on player login :)	2847	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2848
1862	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1864	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1865		2863
1866	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2875
1869	$self->enter_link;	2876	$self->enter_link;
1870		2877
1871	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1872	my $map = eval {	2900	my $map = eval {
1873	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1875	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2916	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1880	})->prio (1);	2924	})->prio (1);
1881	}	2925	}
1882		2926
1883	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1884		2928
…		…
1904	}	2948	}
1905		2949
1906	sub prepare_random_map {	2950	sub prepare_random_map {
1907	my ($exit) = @_;	2951	my ($exit) = @_;
1908		2952
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2955	# that depends on the exit object
1914		2956
1915	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2959	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1922	}	2966	}
1923		2967
1924	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1925		2969
1926	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1929		2973
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2976	undef $fh;
1933	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1934		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1937	}	2985	}
1938	}	2986	}
1939		2987
1940	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1942		2990
1943	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1944		2992
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2993	$self->enter_link;
1955		2994
1956	(async {	2995	(async {
1957	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1958	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
1959	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1960		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
1961	1;	3034	1
1962	}) {	3035	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1967		3040
1968	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	3042	$self->leave_link;
1970	}	3043	}
1971	})->prio (1);	3044	})->prio (1);
1972	}	3045	}
1973		3046
…		…
1987		3060
1988	utf8::encode $text;	3061	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	3063	}
1991		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
		3252	=item $client->ext_msg ($type, @msg)
		3253
		3254	Sends an ext event to the client.
		3255
		3256	=cut
		3257
		3258	sub cf::client::ext_msg($$@) {
		3259	my ($self, $type, @msg) = @_;
		3260
		3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3262	}
1992		3263
1993	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
1994		3265
1995	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3269
1999	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3271	become reliable at some point in the future.
2001		3272
2002	=cut	3273	=cut
2003		3274
2004	sub cf::client::query {	3275	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3284	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3286
2016	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2018	}	3291	}
2019		3292
2020	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2021	on_reply => sub {	3299	on_reply => sub {
2022	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2023		3301
2024	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2025	# get handled first	3303	# get handled first
…		…
2037	} else {	3315	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3317	}
2040	}	3318	}
2041	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2042	);	3353	);
2043		3354
2044	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2045		3356
2046	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3373
2063	$coro	3374	$coro
2064	}	3375	}
2065		3376
2066	cf::client->attach (	3377	cf::client->attach (
2067	on_destroy => sub {	3378	on_client_destroy => sub {
2068	my ($ns) = @_;	3379	my ($ns) = @_;
2069		3380
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3382	},
2072	);	3383	);
…		…
2087	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2089		3400
2090	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2091		3402
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2093		3408
2094	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2095		3410
2096	=pod	3411	=pod
2097		3412
2098	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2099		3414
2100	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2101	cf::object::player player	3420	cf::object::player
2102	cf::player peaceful	3421	player
2103	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2104		3428
2105	=cut	3429	=cut
2106		3430
2107	for (	3431	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2112	) {	3438	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3441	for @funs;
2117	}	3442	}
2118		3443
…		…
2133		3458
2134	my $qcode = $code;	3459	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2137		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2138	local $_;	3466	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3467
2141	my $eval =	3468	my $eval =
2142	"do {\n"	3469	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3472	. $code
2146	. "\n}"	3473	. "\n}"
2147	;	3474	;
2148		3475
		3476	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2152		3485
2153	if ($@) {	3486	if ($@) {
2154	warn "$@";	3487	warn "$@",
2155	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2157	}	3490	}
2158		3491
2159	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2160	}	3493	}
2161		3494
…		…
2175	=cut	3508	=cut
2176		3509
2177	sub register_script_function {	3510	sub register_script_function {
2178	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2179		3512
2180	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2182	}	3515	}
2183		3516
2184	=back	3517	=back
2185		3518
2186	=cut	3519	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3520
2260	#############################################################################	3521	#############################################################################
2261	# the server's init and main functions	3522	# the server's init and main functions
2262		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
2263	sub load_faces {	3601	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3602	my ($path) = @_;
2265		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
2266	warn "loading faces from $path\n";	3606	trace "loading facedata from $path\n";
2267		3607
2268	my $faces;	3608	my $facedata = decode_storable load_file "$path/faceinfo";
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3609
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3610	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2279		3612
2280	while (my ($face, $info) = each %$faces) {	3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
		3621
		3622	{
		3623	my $faces = $facedata->{faceinfo};
		3624
		3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284	Coro::cede;
2285	}
2286		3628
		3629	cf::face::set_visibility $idx, $info->{visibility};
		3630	cf::face::set_magicmap $idx, $info->{magicmap};
		3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
		3636	}
		3637
2287	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3639	next unless $info->{smooth};
		3640
2289	my $idx = cf::face::find $face	3641	my $idx = cf::face::find $face
		3642	or next;
		3643
		3644	if (my $smooth = cf::face::find $info->{smooth}) {
		3645	cf::face::set_smooth $idx, $smooth;
		3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3647	} else {
		3648	error "smooth face '$info->{smooth}' not found for face '$face'";
		3649	}
		3650	}
		3651	}
		3652
		3653	{
		3654	my $anims = $facedata->{animinfo};
		3655
		3656	while (my ($anim, $info) = each %$anims) {
		3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3658	}
		3659
		3660	cf::anim::invalidate_all; # d'oh
		3661	}
		3662
		3663	{
		3664	my $res = $facedata->{resource};
		3665
		3666	while (my ($name, $info) = each %$res) {
		3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
		3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3670
		3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
		3677	} else {
		3678	# $RESOURCE{$name} = $info; # unused
		3679	}
		3680	}
		3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
		3697	1
		3698	}
		3699
		3700	register_exticmd fx_want => sub {
		3701	my ($ns, $want) = @_;
		3702
		3703	while (my ($k, $v) = each %$want) {
		3704	$ns->fx_want ($k, $v);
		3705	}
		3706	};
		3707
		3708	sub load_resource_file($) {
		3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
		3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
		3737	load_resource_file "$MAPDIR/regions"
		3738	or die "unable to load regions file\n";
		3739
		3740	for (cf::region::list) {
		3741	$_->{match} = qr/$_->{match}/
		3742	if exists $_->{match};
		3743	}
		3744	}
		3745
		3746	sub reload_facedata {
		3747	load_facedata $DATADIR
		3748	or die "unable to load facedata\n";
		3749	}
		3750
		3751	sub reload_archetypes {
		3752	load_resource_file "$DATADIR/archetypes"
		3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
		3766	}
		3767
		3768	sub reload_treasures {
		3769	load_resource_file "$DATADIR/treasures"
		3770	or die "unable to load treasurelists\n";
		3771	}
		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
2290	or next;	3780	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
2300	}	3791	}
2301		3792
2302	sub reload_resources {	3793	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3794	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3795
		3796	reload_materials;
2305	load_faces	3797	reload_facedata;
2306	or die "unable to load faces\n";#d#	3798	reload_exp_table;
2307	}	3799	reload_sound;
2308		3800	reload_archetypes;
2309	sub init {
2310	reload_resources;	3801	reload_regions;
2311	}	3802	reload_treasures;
2312		3803
2313	sub cfg_load {	3804	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3805	}
2315	or return;
2316		3806
2317	local $/;	3807	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3808	trace "reloading config file...\n";
2319		3809
		3810	my $config = load_file "$CONFDIR/config";
		3811	utf8::decode $config;
		3812	*CFG = decode_yaml $config;
		3813
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3815
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3818
2325	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2329	};	3823	};
2330	warn $@ if $@;	3824	warn $@ if $@;
2331	}	3825	}
2332	}	3826	}
2333		3827
		3828	sub pidfile() {
		3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
		3854	}
		3855
2334	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2335	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3869	(async {
2339	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2341	};	3873	};
2342		3874
2343	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
		3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
2344	db_init;	3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
2345	load_extensions;	3899	load_extensions;
2346		3900
2347	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
2349	}	3918	}
2350		3919
2351	#############################################################################	3920	#############################################################################
2352	# initialisation and cleanup	3921	# initialisation and cleanup
2353		3922
2354	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
2355	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
2364	},
2365	);	3929	};
		3930	}
		3931	}
		3932
		3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
		3936	# first touch the runtime file to show we are still running:
		3937	# the fsync below can take a very very long time.
		3938
		3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3940
		3941	my $guard = cf::lock_acquire "write_runtime";
		3942
		3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3944	or return;
		3945
		3946	my $value = $cf::RUNTIME + 90 + 10;
		3947	# 10 is the runtime save interval, for a monotonic clock
		3948	# 60 allows for the watchdog to kill the server.
		3949
		3950	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3951	and return;
		3952
		3953	# always fsync - this file is important
		3954	aio_fsync $fh
		3955	and return;
		3956
		3957	# touch it again to show we are up-to-date
		3958	aio_utime $fh, undef, undef;
		3959
		3960	close $fh
		3961	or return;
		3962
		3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3964	and return;
		3965
		3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3967
2366	}	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
2367	}	4019	}
2368		4020
2369	sub emergency_save() {	4021	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
2371		4023
2372	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
2373		4030
2374	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
2375	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	4042	$pl->save;
2383	}	4043	}
2384	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
2385		4045
2386	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	4051	$map->valid or next;
2390	$map->save;	4052	$map->save;
2391	}	4053	}
2392	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
2393		4055
2394	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
2397	};	4084	};
2398		4085
2399	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
2400	}	4087	}
2401		4088
2402	sub post_cleanup {	4089	sub post_cleanup {
2403	my ($make_core) = @_;	4090	my ($make_core) = @_;
2404		4091
		4092	IO::AIO::flush;
		4093
2405	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	4095	if $make_core;
2407	}
2408		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
		4124	}
		4125
2409	sub reload() {	4126	sub do_reload_perl() {
2410	# can/must only be called in main	4127	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
2412	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
2413	return;	4130	return;
2414	}	4131	}
2415		4132
2416	warn "reloading...";	4133	return if $RELOAD++;
2417		4134
2418	warn "entering sync_job";	4135	my $t1 = AE::time;
2419		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
2420	cf::sync_job {	4143	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	4144	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		4145
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	4148	%EXT_CORO = ();
2449		4149
2450	warn "removing commands";	4150	trace "perl_reload: removing commands";
2451	%COMMAND = ();	4151	%COMMAND = ();
2452		4152
2453	warn "removing ext commands";	4153	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	4154	%EXTCMD = ();
		4155	%EXTICMD = ();
2455		4156
2456	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
2459		4160
2460	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
2461	eval {	4162	eval {
2462	$cb->($pkg);	4163	$cb->($pkg);
2463	1	4164	1
2464	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
2465	}	4170	}
2466		4171
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		4175
2475	warn "... unloading $k";	4176	trace "... unloading $k";
2476	delete $INC{$k};	4177	delete $INC{$k};
2477		4178
2478	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
2480		4181
2481	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
2483	}	4187	}
2484		4188
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		4192
2492	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
		4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		4196
2495	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
2496	# and global variables created in xs	4198	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
2498		4200
2499	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
2500		4202
2501	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
2502	require cf;	4204	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
2504		4206
2505	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	4208	cf::reload_config;
2507		4209
2508	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	4211	cf::load_extensions;
2510		4212
		4213	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
		4220	}
2517		4221
2518	warn "loading reloadable resources";	4222	cf::_post_init 1;
2519	reload_resources;
2520		4223
2521	warn "leaving sync_job";	4224	trace "perl_reload: leaving sync_job";
2522		4225
2523	1	4226	1
2524	} or do {	4227	} or do {
2525	warn $@;	4228	error $@;
2526	warn "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4230	};
		4231
		4232	--$RELOAD;
		4233	}
		4234
		4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
		4237	};
		4238
		4239	our $RELOAD_WATCHER; # used only during reload
		4240
		4241	sub reload_perl() {
		4242	# doing reload synchronously and two reloads happen back-to-back,
		4243	# coro crashes during coro_state_free->destroy here.
		4244
		4245	$RELOAD_WATCHER ||= cf::async {
		4246	Coro::AIO::aio_wait cache_extensions;
		4247
		4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4249	do_reload_perl;
		4250	undef $RELOAD_WATCHER;
		4251	};
2528	};	4252	};
2529		4253	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4254
2535	register_command "reload" => sub {	4255	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
2537		4257
2538	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
2540		4260	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4261	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4262	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4263	};
2553	}	4264	}
2554	};	4265	};
2555		4266
2556	unshift @INC, $LIBDIR;	4267	#############################################################################
2557		4268
2558	my $bug_warning = 0;	4269	my $bug_warning = 0;
2559		4270
2560	$TICK_WATCHER = Event->timer (	4271	sub wait_for_tick() {
2561	reentrant => 0,	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2562	parked => 1,	4273
2563	prio => 0,	4274	$WAIT_FOR_TICK->wait;
2564	at => $NEXT_TICK || $TICK,	4275	}
2565	data => WF_AUTOCANCEL,	4276
2566	cb => sub {	4277	sub wait_for_tick_begin() {
		4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4279
		4280	my $signal = new Coro::Signal;
		4281	push @WAIT_FOR_TICK_BEGIN, $signal;
		4282	$signal->wait;
		4283	}
		4284
		4285	sub tick {
2567	if ($Coro::current != $Coro::main) {	4286	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
2570	return;	4289	return;
2571	}	4290	}
2572		4291
2573	$NOW = Event::time;	4292	cf::one_tick; # one server iteration
2574		4293
2575	cf::server_tick; # one server iteration	4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4295
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4298	Coro::async_pool {
		4299	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4300	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4301	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4302	};
		4303	}
2586		4304
		4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4306	$sig->send;
		4307	}
2587	$WAIT_FOR_TICK->broadcast;	4308	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589		4309
2590	# my $AFTER = Event::time;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
2591	# warn $AFTER - $NOW;#d#	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2592		4312
2593	# if we are delayed by four ticks or more, skip them all	4313	if (0) {
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4314	if ($NEXT_TICK) {
2595		4315	my $jitter = $TICK_START - $NEXT_TICK;
2596	$TICK_WATCHER->at ($NEXT_TICK);	4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2597	$TICK_WATCHER->start;	4317	debug "jitter $JITTER\n";#d#
		4318	}
2598	},	4319	}
2599	);	4320	}
2600		4321
2601	{	4322	{
2602	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
2604	reentrant => 0,	4325
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
2612		4327	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4328	#$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4329
2628	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4337
2631	cf::sync_job {	4338	cf::sync_job {
2632	eval {	4339	eval {
2633	BDB::db_env_open	4340	BDB::db_env_open
2634	$DB_ENV,	4341	$DB_ENV,
2635	$BDB_ENV_DIR,	4342	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4345	0666;
2639		4346
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4347	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4348	};
2645		4349
2646	cf::cleanup "db_env_open(db): $@" if $@;	4350	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4351	};
2648	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
2649	}	4365	}
2650		4366
2651	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
2652	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,	4374	info "aio initialised";
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4375	}
		4376
		4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
		4379
		4380	sub _log_backtrace {
		4381	my ($msg, @addr) = @_;
		4382
		4383	$msg =~ s/\n$//;
		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4388	# limit the # of concurrent backtraces
		4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
		4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
		4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
		4396	my @bt = fork_call {
		4397	@addr = map { sprintf "%x", $_ } @addr;
		4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4400	or die "addr2line: $!";
		4401
		4402	my @funcs;
		4403	my @res = <$fh>;
		4404	chomp for @res;
		4405	while (@res) {
		4406	my ($func, $line) = splice @res, 0, 2, ();
		4407	push @funcs, "[$func] $line";
		4408	}
		4409
		4410	@funcs
		4411	};
		4412
		4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4415	LOG llevInfo, "[ABT] $_\n" for @bt;
		4416	--$_log_backtrace;
		4417	};
		4418	} else {
		4419	LOG llevInfo, "[ABT] $msg\n";
		4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4421	}
		4422	}
		4423
		4424	# load additional modules
		4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
2665		4427
2666	END { cf::emergency_save }	4428	END { cf::emergency_save }
2667		4429
2668	1	4430	1
2669		4431

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