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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.621 by root, Fri Nov 18 20:55:00 2016 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	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;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
95	binmode STDOUT;	166	binmode STDOUT;
96	binmode STDERR;	167	binmode STDERR;
97		168
98	# read virtual server time, if available	169	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
103	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
104		177
105	mkdir $_	178	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		180
108	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
109		182
110	sub cf::map::normalise;	183	sub cf::map::normalise;
111		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
112	#############################################################################	189	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
115		203
116	=over 4	204	=over 4
117		205
118	=item $cf::UPTIME	206	=item $cf::UPTIME
119		207
120	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.
121		224
122	=item $cf::RUNTIME	225	=item $cf::RUNTIME
123		226
124	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
125	every server tick.	228	every server tick.
126		229
127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
130		233
131	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
134	database environment.	237	database environment.
135		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
136	=item $cf::NOW	245	=item $cf::LOAD
137		246
138	The time of the last (current) server tick.	247	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		248
144	=item %cf::CFG	249	=item %cf::CFG
145		250
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	252	from wherever your confdir points to.
148		253
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		255
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
152	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
154		289
155	=back	290	=back
156		291
157	=cut	292	=cut
158		293
159	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	301	my $msg = join "", @_;
162		302
163	$msg .= "\n"	303	$msg .= "\n"
164	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
165		305
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		307
168	utf8::encode $msg;
169	LOG llevError, $msg;	308	LOG llevWarn, $msg;
170	};	309	};
171	}	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	};
172		324
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		332
180	# 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
181	# within the Safe compartment.	334	# within the Safe compartment.
182	for my $pkg (qw(	335	for my $pkg (qw(
183	cf::global cf::attachable	336	cf::global cf::attachable
184	cf::object cf::object::player	337	cf::object cf::object::player
185	cf::client cf::player	338	cf::client cf::player
186	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
187	cf::map cf::party cf::region	341	cf::party cf::region
188	)) {	342	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	344	}
192		345
193	$Event::DIED = sub {	346	$EV::DIED = sub {
194	warn "error in event callback: @_";	347	warn "error in event callback: $@";
195	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
196		356
197	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
198		358
199	=over 4	359	=over 4
200		360
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	380	$d
221	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
222	}	382	}
223		383
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
225		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
226	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
227		437
228	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
229		439
230	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
231		441
232	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	513	=item cf::lock_wait $string
235		514
236	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
237		516
238	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
239		518
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
243	returned.	522	returned.
244		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
245	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
246	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
247		529
248	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
249		531
250	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
251		533
252	=cut	534	=cut
253		535
254	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
255		537
256	sub lock_wait($) {	538	sub lock_wait($) {
257	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	540	}
265		541
266	sub lock_acquire($) {	542	sub lock_acquire($) {
267	my ($key) = @_;	543	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	544	}
279		545
280	sub lock_active($) {	546	sub lock_active($) {
281	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	548	}
285		549
286	sub freeze_mainloop {	550	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
288		552
289	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
291	};	623	}
292	$TICK_WATCHER->stop;	624	};
293	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
294	}	639	}
295		640
296	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
297		642
298	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		648
304	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
305		650
306	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
307		652
308	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or is runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
311		657
312	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
315	fast or be very important.	661	fast or be very important.
…		…
317	=cut	663	=cut
318		664
319	sub sync_job(&) {	665	sub sync_job(&) {
320	my ($job) = @_;	666	my ($job) = @_;
321		667
322	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
323	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
325		673
326	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	675
328	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
329		677
330	my $busy = 1;	678	my $busy = 1;
331	my @res;	679	my @res;
332		680
333	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	683	@res = eval { $job->() };
335	warn $@ if $@;	684	error $@ if $@;
336	undef $busy;	685	undef $busy;
337	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
338		687
339	while ($busy) {	688	while ($busy) {
340	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONCE;
341	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
342		699
343	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
344	} else {	701	} else {
345	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
346		703
…		…
366	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
367		724
368	$coro	725	$coro
369	}	726	}
370		727
371	sub write_runtime {	728	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		729
374	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		734
377	warn "touching runtime...\n";#d#	735	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	736
379	utime undef, undef, $fh;	737	sub post_fork {
		738	reset_signals;
		739	}
		740
		741	sub fork_call(&@) {
		742	my ($cb, @args) = @_;
		743
		744	my @res = Coro::Util::fork_eval {
		745	cf::post_fork;
		746	&$cb
		747	} @args;
		748
		749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
380	}	820	};
		821	cf::cleanup "db_open(db): $@" if $@;
381		822
382	my $guard = cf::lock_acquire "write_runtime";	823	$db
		824	}
383		825
384	warn "starting to write runtime...\n";#d#	826	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		827
388	my $value = $cf::RUNTIME + 90 + 10;	828	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	829	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	830	}
391		831
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	832	sub db_get($$) {
393	and return;	833	my $key = "$_[0]/$_[1]";
394		834
395	# always fsync - this file is important	835	cf::error "db_get called from main context"
396	aio_fsync $fh	836	if $Coro::current == $Coro::main;
397	and return;
398		837
399	# touch it again to show we are up-to-date	838	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		839
402	close $fh	840	$! ? ()
403	or return;	841	: $data
		842	}
404		843
405	aio_rename "$runtime~", $runtime	844	sub db_put($$$) {
406	and return;	845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
407		848
408	warn "... done writing runtime.\n";#d#	849	=item cf::cache $id => [$paths...], $processversion => $process
409		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
410	1	913	}
		914
		915	db_get cache => "$id/data"
411	}	916	}
412		917
413	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
414		919
415	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
416		921
417	=cut	922	=cut
418		923
419	sub datalog($@) {	924	sub datalog($@) {
420	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	927	}
423		928
424	=back	929	=back
425		930
426	=cut	931	=cut
427		932
428	#############################################################################	933	#############################################################################
429		934
430	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
431		936
432	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
435		940
436	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	943	Deliantra).
439		944
440	=over 4	945	=over 4
441		946
442	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
443		948
…		…
487	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
488		993
489	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
491		996
492	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
494		999
495	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
496		1001
497	=over 4	1002	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
607		1112
608	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1117
613	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
615		1120
616	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
621		1126
622	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1129
625	} elsif (ref $type) {	1130	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
627		1132
628	} else {	1133	} else {
629	shift @arg;	1134	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
631	}	1136	}
632	}	1137	}
633	}	1138	}
634		1139
635	sub _object_attach {	1140	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
646	}	1151	}
647		1152
648	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
649	} else {	1154	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1156	}
652		1157
653	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
654	}	1159	}
655		1160
…		…
657	if (ref $_[0]) {	1162	if (ref $_[0]) {
658	_object_attach @_;	1163	_object_attach @_;
659	} else {	1164	} else {
660	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
661	}	1166	}
		1167	_recalc_want;
662	};	1168	};
663		1169
664	# all those should be optimised	1170	# all those should be optimised
665	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1176	reattach ($obj);
671	} else {	1177	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
673	}	1179	}
		1180	_recalc_want;
674	};	1181	};
675		1182
676	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
678		1185
…		…
693	";	1200	";
694	die if $@;	1201	die if $@;
695	}	1202	}
696		1203
697	our $override;	1204	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1206
700	sub override {	1207	sub override {
701	$override = 1;	1208	$override = 1;
702	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
703	}	1210	}
704		1211
705	sub do_invoke {	1212	sub do_invoke {
706	my $event = shift;	1213	my $event = shift;
707	my $callbacks = shift;	1214	my $callbacks = shift;
708		1215
709	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
710		1217
711	local $override;	1218	local $override;
712		1219
713	for (@$callbacks) {	1220	for (@$callbacks) {
714	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
715		1222
716	if ($@) {	1223	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1225	override;
720	}	1226	}
721		1227
722	return 1 if $override;	1228	return 1 if $override;
723	}	1229	}
724		1230
725	0	1231	0
726	}	1232	}
727		1233
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1235
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1237
732	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
733		1239
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1243
738	=back	1244	=back
739		1245
740	=cut	1246	=cut
741		1247
742	#############################################################################	1248	#############################################################################
743	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
744		1292
745	sub reattach {	1293	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1295	my ($obj) = @_;
748		1296
		1297	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1299
751	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
752		1301
753	@$registry = ();	1302	@$registry = ();
754		1303
…		…
759	for (@$attach) {	1308	for (@$attach) {
760	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
762	}	1311	}
763	} else {	1312	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1314	}
766	}	1315	}
767	}	1316	}
768		1317
769	cf::attachable->attach (	1318	cf::attachable->attach (
770	prio => -1000000,	1319	prio => -1000000,
771	on_instantiate => sub {	1320	on_instantiate => sub {
772	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
773		1322
774	$data = from_json $data;	1323	$data = decode_json $data;
775		1324
776	for (@$data) {	1325	for (@$data) {
777	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
778		1327
779	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1344	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
797		1346
798	sync_job {	1347	sync_job {
799	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
802		1353
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
807	close $fh;	1361	aio_close $fh;
808		1362
809	if (@$objs) {	1363	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
815	close $fh;	1372	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
817	}	1374	}
818	} else {	1375	} else {
819	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
820	}	1377	}
821		1378
822	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1383	} else {
824	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
825	}	1385	}
826	} else {	1386	} else {
827	aio_unlink $filename;	1387	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
829	}	1389	}
830	}	1390	};
831	}	1391	}
832		1392
833	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
835		1395
…		…
847	or return;	1407	or return;
848		1408
849	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
851	or return;	1411	or return;
		1412
852	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
853	}	1415	}
854		1416
		1417	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
857	return ($data, $av);	1422	($data, $av)
858	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
859		1430
860	#############################################################################	1431	#############################################################################
861	# command handling &c	1432	# command handling &c
862		1433
863	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
864		1435
865	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
866	$name.	1437	$name.
867		1438
868	=cut	1439	=cut
…		…
874	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
875		1446
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1448	}
878		1449
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
880		1451
881	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
882		1457
883	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
884	called.
885		1459
886	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
887		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
888	sub register_extcmd {	1482	sub register_extcmd($$) {
889	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
890		1484
891	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
892	}	1486	}
893		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
894	cf::player->attach (	1508	cf::player->attach (
895	on_command => sub {	1509	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
897		1511
898	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
899	or return;	1513	or return;
900		1514
…		…
905	cf::override;	1519	cf::override;
906	},	1520	},
907	on_extcmd => sub {	1521	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
909		1523
910	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1525
912	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
915	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
916	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
917	}	1547	}
		1548
918	} else {	1549	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1551	}
921		1552
922	cf::override;	1553	cf::override;
923	},	1554	},
924	);	1555	);
925		1556
		1557	# "readahead" all extensions
926	sub load_extension {	1558	sub cache_extensions {
927	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
928		1560
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1564	}
954	die $@;
955	}	1565	};
956		1566
957	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
958	}	1579	}
959		1580
960	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
961	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1590	next unless -r $path;
963	eval {	1591
964	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
965	1	1664	}
966	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
967	}	1677	};
968	}	1678	}
969		1679
970	#############################################################################	1680	#############################################################################
971		1681
		1682	=back
		1683
972	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
973		1685
974	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
975		1687
976	=cut	1688	=cut
977		1689
978	package cf::player;	1690	package cf::player;
979		1691
980	use Coro::AIO;	1692	use Coro::AIO;
981		1693
982	=head3 cf::player	1694	=head3 cf::player
983		1695
984	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
985		1711
986	=item cf::player::find $login	1712	=item cf::player::find $login
987		1713
988	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
989		1715
…		…
1008		1734
1009	sub exists($) {	1735	sub exists($) {
1010	my ($login) = @_;	1736	my ($login) = @_;
1011		1737
1012	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1014	}	1740	}
1015		1741
1016	sub find($) {	1742	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1744	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1755
1030	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1033	}	1765	}
1034	}	1766	}
1035	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1036		1781
1037	sub save($) {	1782	sub save($) {
1038	my ($pl) = @_;	1783	my ($pl) = @_;
1039		1784
1040	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1046		1791
1047	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1049		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1050	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1051	Coro::cede;	1801	cf::cede_to_tick;
1052	}	1802	}
1053		1803
1054	sub new($) {	1804	sub new($) {
1055	my ($login) = @_;	1805	my ($login) = @_;
1056		1806
…		…
1062	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1063		1813
1064	$self	1814	$self
1065	}	1815	}
1066		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1067	=item $pl->quit_character	1827	=item $pl->quit_character
1068		1828
1069	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1071		1831
…		…
1075	my ($pl) = @_;	1835	my ($pl) = @_;
1076		1836
1077	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1078		1838
1079	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1841
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1085	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1086		1850
1087	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1124	or return [];	1888	or return [];
1125		1889
1126	my @logins;	1890	my @logins;
1127		1891
1128	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1132		1902
1133	utf8::decode $login;	1903	utf8::decode $login;
1134	push @logins, $login;	1904	push @logins, $login;
1135	}	1905	}
1136		1906
1137	\@logins	1907	\@logins
1138	}	1908	}
1139		1909
1140	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1141		1913
1142	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1143	player. May block.	1915	player. May block.
1144		1916
1145	=cut	1917	=cut
…		…
1163	}	1935	}
1164		1936
1165	\@paths	1937	\@paths
1166	}	1938	}
1167		1939
1168	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1169		1941
1170	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1171		1943
1172	=cut
1173
1174	sub ext_reply($$%) {
1175	my ($self, $id, %msg) = @_;
1176
1177	$msg{msgid} = $id;
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}
1181
1182	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1183		1945
1184	Sends an ext event to the client.	1946	Sends an ext event to the client.
1185		1947
1186	=cut	1948	=cut
1187		1949
1188	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1190		1952
1191	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1192	}	1954	}
1193		1955
1194	=head3 cf::region	1956	=head3 cf::region
1195		1957
1196	=over 4	1958	=over 4
…		…
1199		1961
1200	package cf::region;	1962	package cf::region;
1201		1963
1202	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1203		1965
1204	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1205		1967
1206	=cut	1968	=cut
1207		1969
1208	sub find_by_path($) {	1970	sub find_by_path($) {
1209	my ($path) = @_;	1971	my ($path) = @_;
1210		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1211	my ($match, $specificity);	1975	my ($match, $specificity);
1212		1976
1213	for my $region (list) {	1977	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1217	}	1981	}
1218	}	1982	}
1219		1983
…		…
1240	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1242		2006
1243	sub generate_random_map {	2007	sub generate_random_map {
1244	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1246	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	2013	}
1260		2014
1261	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1262		2016
1263	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1268		2022
1269	sub register {	2023	sub register {
1270	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	2025	my $pkg = caller;
1272		2026
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		2028
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	2030	}
1278		2031
1279	# also paths starting with '/'	2032	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		2034
1282	sub thawer_merge {	2035	sub thawer_merge {
1283	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1284		2037
1285	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1286	local $self->{path};	2039	local $self->{path};
1287	local $self->{load_path};	2040	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		2041
1291	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1292	}	2043	}
1293		2044
1294	sub normalise {	2045	sub normalise {
1295	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1296		2047
1297	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1298		2049
1299	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1300		2051
1301	# map plan:	2052	# map plan:
1302	#	2053	#
…		…
1317	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	2069	$path = "$base/$path";
1319	}	2070	}
1320		2071
1321	for ($path) {	2072	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1325	}	2075	}
1326		2076
1327	$path	2077	$path
…		…
1341	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1342	return $self;	2092	return $self;
1343	}	2093	}
1344	}	2094	}
1345		2095
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	2097	()
1348	}	2098	}
1349		2099
		2100	# may re-bless or do other evil things
1350	sub init {	2101	sub init {
1351	my ($self) = @_;	2102	my ($self) = @_;
1352		2103
1353	$self	2104	$self
1354	}	2105	}
…		…
1373		2124
1374	# the temporary/swap location	2125	# the temporary/swap location
1375	sub save_path {	2126	sub save_path {
1376	my ($self) = @_;	2127	my ($self) = @_;
1377		2128
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1380	}	2131	}
1381		2132
1382	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1383	sub uniq_path {	2134	sub uniq_path {
1384	my ($self) = @_;	2135	my ($self) = @_;
1385		2136
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1388	}	2139	}
1389		2140
1390	# and all this just because we cannot iterate over	2141	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	2142	my ($self) = @_;
1394		2143
1395	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1397	}	2147	}
1398		2148
1399	sub unlink_save {	2149	sub unlink_save {
1400	my ($self) = @_;	2150	my ($self) = @_;
1401		2151
…		…
1406		2156
1407	sub load_header_from($) {	2157	sub load_header_from($) {
1408	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1409		2159
1410	utf8::encode $path;	2160	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2162	or return;
1416		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1417	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1418		2171
1419	1	2172	1
1420	}	2173	}
1421		2174
		2175	# used to laod the header of an original map
1422	sub load_header_orig {	2176	sub load_header_orig {
1423	my ($self) = @_;	2177	my ($self) = @_;
1424		2178
1425	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1426	}	2180	}
1427		2181
		2182	# used to laod the header of an instantiated map
1428	sub load_header_temp {	2183	sub load_header_temp {
1429	my ($self) = @_;	2184	my ($self) = @_;
1430		2185
1431	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1432	}	2187	}
1433		2188
		2189	# called after loading the header from an instantiated map
1434	sub prepare_temp {	2190	sub prepare_temp {
1435	my ($self) = @_;	2191	my ($self) = @_;
1436		2192
1437	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1438	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1439	# safety	2195	# safety
1440	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1441	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1442	}	2198	}
1443		2199
		2200	# called after loading the header from an original map
1444	sub prepare_orig {	2201	sub prepare_orig {
1445	my ($self) = @_;	2202	my ($self) = @_;
1446		2203
1447	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1448	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1459	$self->load_header_orig	2216	$self->load_header_orig
1460	or return;	2217	or return;
1461	$self->prepare_orig;	2218	$self->prepare_orig;
1462	}	2219	}
1463		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1464	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2225	unless $self->default_region;
1466		2226
1467	1	2227	1
1468	}	2228	}
1469		2229
1470	sub find;	2230	sub find;
1471	sub find {	2231	sub find {
1472	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1473		2233
		2234	cf::cede_to_tick;
		2235
1474	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1475		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2240
1478	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1481	or return;	2243	or return;
1482		2244
1483	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1484		2246
1485	$map->load_header	2247	$map->load_header
1486	or return;	2248	or return;
1487		2249
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1491	$map->reset;	2255	$map->reset;
1492	undef $guard;
1493	return find $path;	2256	return find $path;
1494	}	2257	}
1495		2258
1496	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1497	}	2260	}
1498	}	2261	}
1499		2262
1500	sub pre_load { }	2263	sub pre_load { }
1501	sub post_load { }	2264	#sub post_load { } # XS
1502		2265
1503	sub load {	2266	sub load {
1504	my ($self) = @_;	2267	my ($self) = @_;
1505		2268
1506	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1507		2270
1508	my $path = $self->{path};	2271	my $path = $self->{path};
1509		2272
1510	{	2273	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1512		2275
		2276	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1514
1515	$self->in_memory (cf::MAP_LOADING);
1516		2278
1517	$self->alloc;	2279	$self->alloc;
1518		2280
1519	$self->pre_load;	2281	$self->pre_load;
1520	Coro::cede;	2282	cf::cede_to_tick;
1521		2283
1522	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1523	or return;	2288	or return;
1524		2289
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1526	if delete $self->{load_original};	2291	if delete $self->{load_original};
1527		2292
1528	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2294	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2297	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1533	}	2302	}
1534	}
1535		2303
1536	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1537	# now do the right thing for maps	2313	# now do the right thing for maps
1538	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2316	unless $self->difficulty;
1541	Coro::cede;	2317	cf::cede_to_tick;
1542		2318
1543	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2320	$self->decay_objects;
1545	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1546	$self->update_buttons;	2322	$self->update_buttons;
1547	Coro::cede;	2323	cf::cede_to_tick;
1548	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1549	Coro::cede;
1550	$self->activate;
1551	}	2325	}
1552		2326
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1554	}	2329	}
1555		2330
1556	$self->post_load;	2331	$self->post_load;
1557	}
1558		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2339	sub customise_for {
1560	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1561		2341
1562	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2343	if $self->per_player;
1564		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1565	$self	2348	$self
1566	}
1567
1568	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {
1570	my ($map) = @_;
1571
1572	my @diag; # diagonal neighbours
1573
1574	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)
1576	or next;
1577	$neigh = find $neigh, $map
1578	or next;
1579	$neigh->load;
1580
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}
1584
1585	for (@diag) {
1586	my $neigh = find @$_
1587	or next;
1588	$neigh->load;
1589	}
1590	}	2349	}
1591		2350
1592	sub find_sync {	2351	sub find_sync {
1593	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1594		2353
1595	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1596	}	2359	}
1597		2360
1598	sub do_load_sync {	2361	sub do_load_sync {
1599	my ($map) = @_;	2362	my ($map) = @_;
1600		2363
1601	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1602	}	2369	}
1603		2370
1604	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1606		2373
1607	sub find_async {	2374	sub find_async {
1608	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1609		2376
1610	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1611		2378
1612	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1614	}	2381	}
1615		2382
1616	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1617	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1618	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2389	for my $k (keys %MAP_PREFETCH) {
1620	my $map = find $path	2390	if (my $map = find $k) {
1621	or next;	2391	$map->load if $MAP_PREFETCH{$k};
1622	$map->load;	2392	}
1623		2393
1624	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1625	}	2395	}
1626	}	2396	}
1627	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1628	};	2398	};
1629	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1630		2400
1631	()	2401	()
1632	}	2402	}
1633		2403
		2404	# common code, used by both ->save and ->swapout
1634	sub save {	2405	sub _save {
1635	my ($self) = @_;	2406	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2407
1639	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1640		2409
1641	return unless $self->dirty;	2410	return unless $self->dirty;
1642		2411
…		…
1648	return if $self->{deny_save};	2417	return if $self->{deny_save};
1649		2418
1650	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1651		2420
1652	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1654	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1655		2427
1656	if ($uniq) {	2428	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2431	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2433	}
1662	}	2434	}
1663		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1664	sub swap_out {	2444	sub swap_out {
1665	my ($self) = @_;	2445	my ($self) = @_;
1666		2446
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1672	return if $self->players;	2451	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1676	$self->clear;	2462	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2463	}
1679		2464
1680	sub reset_at {	2465	sub reset_at {
1681	my ($self) = @_;	2466	my ($self) = @_;
1682		2467
1683	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1686		2470
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2473
…		…
1700	my ($self) = @_;	2484	my ($self) = @_;
1701		2485
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2487
1704	return if $self->players;	2488	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2489
1707	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1708		2491
1709	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1710		2493
1711	# need to save uniques path	2494	# need to save uniques path
1712	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1713	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1714		2497
…		…
1716	if $uniq;	2499	if $uniq;
1717	}	2500	}
1718		2501
1719	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1720		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2506	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2507
1725	$self->unlink_save;	2508	$self->unlink_save;
1726	$self->destroy;	2509	$self->destroy;
1727	}	2510	}
1728		2511
1729	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1730		2513
1731	sub nuke {	2514	sub nuke {
1732	my ($self) = @_;	2515	my ($self) = @_;
1733		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1734	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1735		2521
1736	$self->unlink_save;	2522	$self->unlink_save;
1737		2523
1738	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2529
1744	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1745		2532
1746	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1747	}	2570	}
1748		2571
1749	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1750		2573
1751	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2575	instantiated unique items. May block.
1753		2576
1754	=cut	2577	=cut
1755		2578
1756	sub unique_maps() {	2579	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2580	[
1758	or return;	2581	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2582	utf8::decode $_;
1764	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2585	? ()
1767	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2588	]
1769
1770	\@paths
1771	}	2589	}
1772		2590
1773	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1774		2622
1775	=back	2623	=back
1776		2624
1777	=head3 cf::object	2625	=head3 cf::object
1778		2626
…		…
1782		2630
1783	=over 4	2631	=over 4
1784		2632
1785	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1786		2634
1787	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1788		2637
1789	=cut	2638	=cut
1790		2639
1791	sub inv_recursive_;	2640	sub inv_recursive_;
1792	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1795		2644
1796	sub inv_recursive {	2645	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1798	}	2647	}
1799		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1800	package cf;	2677	package cf;
1801		2678
1802	=back	2679	=back
1803		2680
1804	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1813		2690
1814	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1815		2706
1816	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2708	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1821		2712
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2714
1824	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1826	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1829	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1830	}	2740	}
1831		2741
1832	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1833		2743
1834	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
1835	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
1836		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
1837	=cut	2772	=cut
1838		2773
1839	sub cf::object::player::may {	2774	sub cf::object::player::may {
1840	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
1841		2776
1842	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
1843	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
1844	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1845	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
1846	}	2781	}
1847		2782
1848	=item $player_object->enter_link	2783	=item $player_object->enter_link
1849		2784
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2786
1852	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
1854		2791
1855	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
1856		2799
1857	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
1858		2801
1859	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
1860	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
1878	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2822	my ($self) = @_;
1880		2823
1881	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
1882		2825
		2826	++$self->{_link_recursion};
		2827
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2829
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2831	if $self->map && $self->map->{path} ne "{link}";
1887		2832
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2834	}
1890		2835
1891	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
		2838
		2839	return unless $self->contr->active;
1893		2840
1894	my $link_pos = delete $self->{_link_pos};	2841	my $link_pos = delete $self->{_link_pos};
1895		2842
1896	unless ($map) {	2843	unless ($map) {
1897	# restore original map position	2844	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
1910		2857
1911	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
1914		2861
1915	$map->load;	2862	$map->load;
1916	$map->load_diag;
1917		2863
1918	return unless $self->contr->active;	2864	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2865
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
1923	}	2868	# entering was successful
1924		2869	delete $self->{_link_recursion};
1925	cf::player->attach (	2870	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2871	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2872	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2873
1939	# try to abort aborted map switching on player login :)	2874	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2875
1957	=item $player_object->goto ($path, $x, $y)	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2877
		2878	Moves the player to the given map-path and coordinates by first freezing
		2879	her, loading and preparing them map, calling the provided $check callback
		2880	that has to return the map if sucecssful, and then unfreezes the player on
		2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
1959	=cut	2887	=cut
		2888
		2889	our $GOTOGEN;
1960		2890
1961	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
		2900	# do generation counting so two concurrent goto's will be executed in-order
		2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2902
1964	$self->enter_link;	2903	$self->enter_link;
1965		2904
1966	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
1967	my $map = eval {	2927	my $map = eval {
1968	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2929
		2930	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2931	$map = $map->customise_for ($self);
		2932	$map = $check->($map, $x, $y, $self) if $check && $map;
		2933	} else {
		2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2935	}
		2936
1970	$map	2937	$map
		2938	};
		2939
		2940	if ($@) {
		2941	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2942	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2943	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2944
		2945	if ($gen == $self->{_goto_generation}) {
		2946	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
		2948	}
		2949
		2950	$done->($self) if $done;
1975	})->prio (1);	2951	})->prio (1);
1976	}	2952	}
1977		2953
1978	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
1979		2955
…		…
1999	}	2975	}
2000		2976
2001	sub prepare_random_map {	2977	sub prepare_random_map {
2002	my ($exit) = @_;	2978	my ($exit) = @_;
2003		2979
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2982	# that depends on the exit object
2009		2983
2010	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2986	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2017	}	2993	}
2018		2994
2019	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2020		2996
2021	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2024		3000
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	3003	undef $fh;
2028	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2029		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2032	}	3012	}
2033	}	3013	}
2034		3014
2035	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2037		3017
2038	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2039		3019
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	3020	$self->enter_link;
2052		3021
2053	(async {	3022	(async {
2054	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2055	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2056	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2057		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2058	1;	3061	1
2059	}) {	3062	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2064		3067
2065	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	3069	$self->leave_link;
2067	}	3070	}
2068	})->prio (1);	3071	})->prio (1);
2069	}	3072	}
2070		3073
2071	=head3 cf::client	3074	=head3 cf::client
2072		3075
2073	=over 4	3076	=over 4
2074		3077
2075	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2076		3079
2077	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2078	should not be used under normal circumstances.	3081	them as required.
2079		3082
2080	=cut	3083	=cut
2081		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
		3087	sub cf::client::send_big_packet {
		3088	my ($self, $pkt) = @_;
		3089
		3090	# try lzf for large packets
		3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
		3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3104
		3105	Send a msg packet to the client, formatting the msg for the client if
		3106	necessary. C<$type> should be a string identifying the type of the
		3107	message, with C<log> being the default. If C<$color> is negative, suppress
		3108	the message unless the client supports the msg packet.
		3109
		3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2082	sub cf::client::send_drawinfo {	3232	sub cf::client::send_msg {
2083	my ($self, $text, $flags) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2084		3234
2085	utf8::encode $text;	3235	$msg = $self->pl->expand_cfpod ($msg)
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3236	unless $color & cf::NDI_VERBATIM;
2087	}
2088		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
		3256
		3257	return unless @extra || length $msg;
		3258
		3259	# default colour, mask it out
		3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3261	if $color & cf::NDI_DEF;
		3262
		3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
		3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3266	);
		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2089	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2090		3272
2091	Sends an exti event to the client.	3273	Sends an ext event to the client.
2092		3274
2093	=cut	3275	=cut
2094		3276
2095	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2097		3279
2098	$msg{msgtype} = "event_$type";	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2099	$self->send_packet ("ext " . cf::to_json \%msg);
2100	}	3281	}
2101		3282
2102	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2103		3284
2104	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3286	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3287	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3288
2108	Queries can fail, so check the return code. Or don't, as queries will become	3289	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3290	become reliable at some point in the future.
2110		3291
2111	=cut	3292	=cut
2112		3293
2113	sub cf::client::query {	3294	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3295	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3303	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3304	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3305
2125	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
		3308
		3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2127	}	3349	}
2128		3350
2129	cf::client->attach (	3351	cf::client->attach (
		3352	on_connect => sub {
		3353	my ($ns) = @_;
		3354
		3355	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3356	},
2130	on_reply => sub {	3357	on_reply => sub {
2131	my ($ns, $msg) = @_;	3358	my ($ns, $msg) = @_;
2132		3359
2133	# this weird shuffling is so that direct followup queries	3360	# this weird shuffling is so that direct followup queries
2134	# get handled first	3361	# get handled first
…		…
2146	} else {	3373	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3374	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3375	}
2149	}	3376	}
2150	},	3377	},
		3378	on_exticmd => sub {
		3379	my ($ns, $buf) = @_;
		3380
		3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3382
		3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
		3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
		3404	}
		3405	} else {
		3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3407	}
		3408
		3409	cf::override;
		3410	},
2151	);	3411	);
2152		3412
2153	=item $client->async (\&cb)	3413	=item $client->async (\&cb)
2154		3414
2155	Create a new coroutine, running the specified callback. The coroutine will	3415	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3431
2172	$coro	3432	$coro
2173	}	3433	}
2174		3434
2175	cf::client->attach (	3435	cf::client->attach (
2176	on_destroy => sub {	3436	on_client_destroy => sub {
2177	my ($ns) = @_;	3437	my ($ns) = @_;
2178		3438
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3440	},
2181	);	3441	);
…		…
2196	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2198		3458
2199	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2200		3460
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2202		3466
2203	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2204		3468
2205	=pod	3469	=pod
2206		3470
2207	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2208		3472
2209	cf::object contr pay_amount pay_player map	3473	cf::object
		3474	contr pay_amount pay_player map x y force_find force_add destroy
		3475	insert remove name archname title slaying race decrease split
		3476	value
		3477
2210	cf::object::player player	3478	cf::object::player
2211	cf::player peaceful	3479	player
2212	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2213		3486
2214	=cut	3487	=cut
2215		3488
2216	for (	3489	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2221	) {	3496	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3499	for @funs;
2226	}	3500	}
2227		3501
…		…
2242		3516
2243	my $qcode = $code;	3517	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2246		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2247	local $_;	3524	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3525
2250	my $eval =	3526	my $eval =
2251	"do {\n"	3527	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3530	. $code
2255	. "\n}"	3531	. "\n}"
2256	;	3532	;
2257		3533
		3534	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2261		3543
2262	if ($@) {	3544	if ($@) {
2263	warn "$@";	3545	warn "$@",
2264	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2266	}	3548	}
2267		3549
2268	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2269	}	3551	}
2270		3552
…		…
2284	=cut	3566	=cut
2285		3567
2286	sub register_script_function {	3568	sub register_script_function {
2287	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2288		3570
2289	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2291	}	3573	}
2292		3574
2293	=back	3575	=back
2294		3576
2295	=cut	3577	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3578
2471	#############################################################################	3579	#############################################################################
2472	# the server's init and main functions	3580	# the server's init and main functions
2473		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2474	sub load_facedata($) {	3659	sub load_facedata($) {
2475	my ($path) = @_;	3660	my ($path) = @_;
2476		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2477	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2478		3665
2479	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2480	0 < aio_load $path, $facedata
2481	or die "$path: $!";
2482
2483	$facedata = Coro::Storable::thaw $facedata;
2484		3667
2485	$facedata->{version} == 2	3668	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2487		3679
2488	{	3680	{
2489	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2490		3682
2491	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2496	Coro::cede;	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2497	}	3694	}
2498		3695
2499	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2501	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2502	or next;	3700	or next;
		3701
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3705	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3707	}
2508	Coro::cede;
2509	}	3708	}
2510	}	3709	}
2511		3710
2512	{	3711	{
2513	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2514		3713
2515	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;
2518	}	3716	}
2519		3717
2520	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2521	}	3719	}
2522		3720
		3721	{
		3722	my $res = $facedata->{resource};
		3723
		3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
		3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
		3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
		3737	}
		3738	}
		3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
2523	1	3755	1
2524	}	3756	}
2525		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2526	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2527	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
2529	}	3802	}
2530		3803
2531	sub reload_facedata {	3804	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2533	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2534	}	3807	}
2535		3808
2536	sub reload_archetypes {	3809	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2539	}	3838	}
2540		3839
2541	sub reload_treasures {	3840	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2544	}	3843	}
2545		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2546	sub reload_resources {	3865	sub reload_resources {
2547	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2548		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2549	reload_regions;	3873	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3874	reload_treasures;
2553		3875
2554	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2555	}	3877	}
2556		3878
2557	sub init {	3879	sub reload_config {
2558	reload_resources;	3880	trace "reloading config file...\n";
2559	}
2560		3881
2561	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2563	or return;	3884	*CFG = decode_yaml $config;
2564		3885
2565	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;
2567
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3887
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3890
2573	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2577	};	3895	};
2578	warn $@ if $@;	3896	warn $@ if $@;
2579	}	3897	}
2580	}	3898	}
2581		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2582	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2583	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3941	(async {
2587	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONCE;
2588	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2589	};	3945	};
2590		3946
2591	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2592	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2593	load_extensions;	3971	load_extensions;
2594		3972
2595	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2597	}	3990	}
2598		3991
2599	#############################################################################	3992	#############################################################################
2600	# initialisation and cleanup	3993	# initialisation and cleanup
2601		3994
2602	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2603	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2612	},
2613	);	4001	};
		4002	}
		4003	}
		4004
		4005	sub write_runtime_sync {
		4006	my $t0 = AE::time;
		4007
		4008	# first touch the runtime file to show we are still running:
		4009	# the fsync below can take a very very long time.
		4010
		4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4012
		4013	my $guard = cf::lock_acquire "write_runtime";
		4014
		4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4016	or return;
		4017
		4018	my $value = $cf::RUNTIME + 90 + 10;
		4019	# 10 is the runtime save interval, for a monotonic clock
		4020	# 60 allows for the watchdog to kill the server.
		4021
		4022	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4023	and return;
		4024
		4025	# always fsync - this file is important
		4026	aio_fsync $fh
		4027	and return;
		4028
		4029	# touch it again to show we are up-to-date
		4030	aio_utime $fh, undef, undef;
		4031
		4032	close $fh
		4033	or return;
		4034
		4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4036	and return;
		4037
		4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4039
2614	}	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2615	}	4091	}
2616		4092
2617	sub emergency_save() {	4093	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2619		4095
2620	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2621		4102
2622	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2623	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	4114	$pl->save;
2631	}	4115	}
2632	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2633		4117
2634	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	4123	$map->valid or next;
2638	$map->save;	4124	$map->save;
2639	}	4125	}
2640	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2641		4127
2642	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2645	};	4156	};
2646		4157
2647	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2648	}	4159	}
2649		4160
2650	sub post_cleanup {	4161	sub post_cleanup {
2651	my ($make_core) = @_;	4162	my ($make_core) = @_;
2652		4163
		4164	IO::AIO::flush;
		4165
2653	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2655	}	4196	}
2656		4197
2657	sub do_reload_perl() {	4198	sub do_reload_perl() {
2658	# can/must only be called in main	4199	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2660	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2661	return;	4202	return;
2662	}	4203	}
2663		4204
2664	warn "reloading...";	4205	return if $RELOAD++;
2665		4206
2666	warn "entering sync_job";	4207	my $t1 = AE::time;
2667		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2668	cf::sync_job {	4215	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	4216	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		4217
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	4220	%EXT_CORO = ();
2697		4221
2698	warn "removing commands";	4222	trace "perl_reload: removing commands";
2699	%COMMAND = ();	4223	%COMMAND = ();
2700		4224
2701	warn "removing ext commands";	4225	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	4226	%EXTCMD = ();
		4227	%EXTICMD = ();
2703		4228
2704	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2707		4232
2708	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2709	eval {	4234	eval {
2710	$cb->($pkg);	4235	$cb->($pkg);
2711	1	4236	1
2712	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
2713	}	4242	}
2714		4243
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		4247
2723	warn "... unloading $k";	4248	trace "... unloading $k";
2724	delete $INC{$k};	4249	delete $INC{$k};
2725		4250
2726	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2728		4253
2729	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2731	}	4259	}
2732		4260
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		4264
2740	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		4268
2744	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2745	# and global variables created in xs	4270	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2747		4272
2748	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2749		4274
2750	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2751	require cf;	4276	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2753		4278
2754	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	4280	cf::reload_config;
2756		4281
2757	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	4283	cf::load_extensions;
2759		4284
		4285	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
2766		4293
2767	warn "leaving sync_job";	4294	cf::_post_init 1;
2768		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
2769	1	4298	1
2770	} or do {	4299	} or do {
2771	warn $@;	4300	error $@;
2772	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	4302	};
		4303
		4304	--$RELOAD;
2774	};	4305	}
2775		4306
2776	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
2777	};	4309	};
2778		4310
2779	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
2780		4312
2781	sub reload_perl() {	4313	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
2784		4316
2785	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4319
2788	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4321	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
2792	},	4323	};
2793	);	4324	};
2794	}	4325	}
2795		4326
2796	register_command "reload" => sub {	4327	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
2798		4329
2799	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4334	reload_perl;
		4335	};
2802	}	4336	}
2803	};	4337	};
2804		4338
2805	unshift @INC, $LIBDIR;	4339	#############################################################################
2806		4340
2807	my $bug_warning = 0;	4341	my $bug_warning = 0;
2808		4342
2809	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;
2811
2812	sub wait_for_tick {	4343	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2814	return if $Coro::current == $Coro::main;
2815		4345
2816	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
2817	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;
2819	}	4347	}
2820		4348
2821	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2823	return if $Coro::current == $Coro::main;
2824		4351
2825	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4354	$signal->wait;
2828	}	4355	}
2829		4356
2830	$TICK_WATCHER = Event->timer (	4357	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
2840	return;	4361	return;
2841	}	4362	}
2842		4363
2843	$NOW = Event::time;	4364	cf::one_tick; # one server iteration
2844		4365
2845	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2846		4367
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4370	Coro::async_pool {
		4371	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4372	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4374	};
		4375	}
2857		4376
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4378	$sig->send;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4379	}
2876	);	4380	$WAIT_FOR_TICK->broadcast;
		4381
		4382	$LOAD = ($NOW - $TICK_START) / $TICK;
		4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4384
		4385	if (0) {
		4386	if ($NEXT_TICK) {
		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
		4391	}
		4392	}
2877		4393
2878	{	4394	{
2879	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
2881	reentrant => 0,	4397
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
2889		4399	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4401
2905	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4409
2908	cf::sync_job {	4410	cf::sync_job {
2909	eval {	4411	eval {
2910	BDB::db_env_open	4412	BDB::db_env_open
2911	$DB_ENV,	4413	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4417	0666;
2916		4418
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4420	};
2922		4421
2923	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4423	};
2925	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
2926	}	4437	}
2927		4438
2928	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
2929	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,	4446	info "aio initialised";
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4447	}
2942		4448
2943	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
2944		4451
2945	sub _log_backtrace {	4452	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
2947		4454
2948	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
2949		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
2953	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
2954	my @bt = fork_call {	4468	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
2966	}	4480	}
2967		4481
2968	@funcs	4482	@funcs
2969	};	4483	};
2970		4484
2971	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4488	--$_log_backtrace;
2974	};	4489	};
2975	} else {	4490	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4493	}
2979	}	4494	}
2980		4495
2981	# load additional modules	4496	# load additional modules
2982	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
2983		4499
2984	END { cf::emergency_save }	4500	END { cf::emergency_save }
2985		4501
2986	1	4502	1
2987		4503

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