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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 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 ();
		62	use CBOR::XS ();
30	use IO::AIO 2.32 ();	63	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$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		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
		102
		103	our $CONFDIR = confdir;
		104
		105	our $DATADIR = datadir;
		106	our $LIBDIR = "$DATADIR/ext";
		107	our $PODDIR = "$DATADIR/pod";
		108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
		110	our $LOCALDIR = localdir;
		111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		114	our $RANDOMDIR = "$LOCALDIR/random";
		115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
60		126
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
66	our $NOW;	145	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		146
69	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
70	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
71
72	our %CFG;
73
74	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;
76
77	our %PLAYER; # all users
78	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		150
83	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		153
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
86	binmode STDOUT;	167	binmode STDOUT;
87	binmode STDERR;	168	binmode STDERR;
88		169
89	# read virtual server time, if available	170	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	172	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
94	}	175	}
95		176
96	mkdir cf::localdir;	177	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	178
98	mkdir cf::localdir . "/" . cf::tmpdir;	179	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		181
103	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
104		183
105	sub cf::map::normalise;	184	sub cf::map::normalise;
106		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
107	#############################################################################	190	#############################################################################
108		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
109	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
110		204
111	=over 4	205	=over 4
112		206
113	=item $cf::UPTIME	207	=item $cf::UPTIME
114		208
115	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
116		225
117	=item $cf::RUNTIME	226	=item $cf::RUNTIME
118		227
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	229	every server tick.
121		230
122	=item $cf::LIBDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		234
124	The perl library directory, where extensions and cf-specific modules can	235	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		237	unique-items directory, player file directory, random maps directory and
		238	database environment.
126		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
127	=item $cf::NOW	246	=item $cf::LOAD
128		247
129	The time of the last (current) server tick.	248	The raw value load value from the last tick.
130
131	=item $cf::TICK
132
133	The interval between server ticks, in seconds.
134		249
135	=item %cf::CFG	250	=item %cf::CFG
136		251
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	253	from wherever your confdir points to.
139		254
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		256
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
143	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
		278
		279	=item @cf::INVOKE_RESULTS
		280
		281	This array contains the results of the last C<invoke ()> call. When
		282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		283	that call.
		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
145		290
146	=back	291	=back
147		292
148	=cut	293	=cut
149		294
150	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	302	my $msg = join "", @_;
153		303
154	$msg .= "\n"	304	$msg .= "\n"
155	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
156		306
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		308
159	utf8::encode $msg;
160	LOG llevError, $msg;	309	LOG llevWarn, $msg;
161	};	310	};
162	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
163		325
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	330	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		331	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	332	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		333
171	# we bless all objects into (empty) derived classes to force a method lookup	334	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	335	# within the Safe compartment.
173	for my $pkg (qw(	336	for my $pkg (qw(
174	cf::global cf::attachable	337	cf::global cf::attachable
175	cf::object cf::object::player	338	cf::object cf::object::player
176	cf::client cf::player	339	cf::client cf::player
177	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
178	cf::map cf::party cf::region	342	cf::party cf::region
179	)) {	343	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	345	}
183		346
184	$Event::DIED = sub {	347	$EV::DIED = sub {
185	warn "error in event callback: @_";	348	warn "error in event callback: $@";
186	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
		355
		356	#############################################################################
187		357
188	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
189		359
190	=over 4	360	=over 4
191		361
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	381	$d
212	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
213	}	383	}
214		384
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	385	=item $scalar = cf::load_file $path
216		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
217	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
218		438
219	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
220		440
221	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
222		442
223	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
224		444
		445	=cut
		446
		447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		448
		449	sub encode_json($) { $json_coder->encode ($_[0]) }
		450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
225	=item cf::lock_wait $string	528	=item cf::lock_wait $string
226		529
227	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
228		531
229	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
230		533
231	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
234	returned.	537	returned.
235		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
236	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
238		544
239	=cut	545	=item $locked = cf::lock_active $string
240		546
241	our %LOCK;	547	Return true if the lock is currently active, i.e. somebody has locked it.
		548
		549	=cut
		550
		551	our $LOCKS = new Coro::SemaphoreSet;
242		552
243	sub lock_wait($) {	553	sub lock_wait($) {
244	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	555	}
252		556
253	sub lock_acquire($) {	557	sub lock_acquire($) {
254	my ($key) = @_;	558	$LOCKS->guard ($_[0])
		559	}
255		560
256	# wait, to be sure we are not locked	561	sub lock_active($) {
257	lock_wait $key;	562	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	563	}
266		564
267	sub freeze_mainloop {	565	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
269		567
270	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	569	}
		570
		571	=item cf::periodic $interval, $cb
		572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
272	};	638	}
273	$TICK_WATCHER->stop;	639	};
274	$guard	640
		641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
		644	my ($time, $pri, $name) = @_;
		645
		646	$time = clamp $time, 0.01, $TICK * .6;
		647
		648	my $sig = new Coro::Signal;
		649
		650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		652	$SLOT_QUEUE->ready;
		653	$sig->wait;
275	}	654	}
276		655
277	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
278		657
279	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		663
285	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
286		665
287	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
288		667
289	The design of crossfire+ requires that the main coro ($Coro::main) is	668	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	669	is always able to handle events or is runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		671	acceptable.
292		672
293	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	675	server will be frozen during this time, so the block should either finish
296	fast or be very important.	676	fast or be very important.
…		…
298	=cut	678	=cut
299		679
300	sub sync_job(&) {	680	sub sync_job(&) {
301	my ($job) = @_;	681	my ($job) = @_;
302		682
303	if ($Coro::current == $Coro::main) {	683	if (in_main) {
		684	my $time = AE::time;
		685
304	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
306		688
307	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	690
309	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
310		692
311	my $busy = 1;	693	my $busy = 1;
312	my @res;	694	my @res;
313		695
314	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	698	@res = eval { $job->() };
316	warn $@ if $@;	699	error $@ if $@;
317	undef $busy;	700	undef $busy;
318	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
319		702
320	while ($busy) {	703	while ($busy) {
321	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
322	}	708	}
		709	}
		710
		711	my $time = AE::time - $time;
		712
		713	$TICK_START += $time; # do not account sync jobs to server load
323		714
324	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
325	} else {	716	} else {
326	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
327		718
…		…
347	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
348		739
349	$coro	740	$coro
350	}	741	}
351		742
352	sub write_runtime {	743	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		744
355	my $runtime = cf::localdir . "/runtime";	745	Executes the given code block with the given arguments in a seperate
		746	process, returning the results. Everything must be serialisable with
		747	Coro::Storable. May, of course, block. Note that the executed sub may
		748	never block itself or use any form of event handling.
356		749
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	750	=cut
358	or return;
359		751
360	my $value = $cf::RUNTIME + 90 + 10;	752	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	753	reset_signals;
362	# 60 allows for the watchdog to kill the server.	754	}
363		755
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	756	sub fork_call(&@) {
365	and return;	757	my ($cb, @args) = @_;
366		758
367	# always fsync - this file is important	759	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	760	cf::post_fork;
369	and return;	761	&$cb
		762	} @args;
370		763
371	close $fh	764	wantarray ? @res : $res[-1]
372	or return;	765	}
373		766
374	aio_rename "$runtime~", $runtime	767	sub objinfo {
375	and return;
376
377	1	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
		803	}
		804
		805	=item $value = cf::db_get $family => $key
		806
		807	Returns a single value from the environment database.
		808
		809	=item cf::db_put $family => $key => $value
		810
		811	Stores the given C<$value> in the family. It can currently store binary
		812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
		819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
		840
		841	our $DB;
		842
		843	sub db_init {
		844	$DB ||= db_table "db";
		845	}
		846
		847	sub db_get($$) {
		848	my $key = "$_[0]/$_[1]";
		849
		850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
		853	BDB::db_get $DB, undef, $key, my $data;
		854
		855	$! ? ()
		856	: $data
		857	}
		858
		859	sub db_put($$$) {
		860	BDB::dbreq_pri 4;
		861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		862	}
		863
		864	=item cf::cache $id => [$paths...], $processversion => $process
		865
		866	Generic caching function that returns the value of the resource $id,
		867	caching and regenerating as required.
		868
		869	This function can block.
		870
		871	=cut
		872
		873	sub cache {
		874	my ($id, $src, $processversion, $process) = @_;
		875
		876	my $meta =
		877	join "\x00",
		878	$processversion,
		879	map {
		880	aio_stat $_
		881	and Carp::croak "$_: $!";
		882
		883	($_, (stat _)[7,9])
		884	} @$src;
		885
		886	my $dbmeta = db_get cache => "$id/meta";
		887	if ($dbmeta ne $meta) {
		888	# changed, we may need to process
		889
		890	my @data;
		891	my $md5;
		892
		893	for (0 .. $#$src) {
		894	$data[$_] = load_file $src->[$_];
		895	}
		896
		897	# if processing is expensive, check
		898	# checksum first
		899	if (1) {
		900	$md5 =
		901	join "\x00",
		902	$processversion,
		903	map {
		904	cf::cede_to_tick;
		905	($src->[$_], Digest::MD5::md5_hex $data[$_])
		906	} 0.. $#$src;
		907
		908
		909	my $dbmd5 = db_get cache => "$id/md5";
		910	if ($dbmd5 eq $md5) {
		911	db_put cache => "$id/meta", $meta;
		912
		913	return db_get cache => "$id/data";
		914	}
		915	}
		916
		917	my $t1 = EV::time;
		918	my $data = $process->(\@data);
		919	my $t2 = EV::time;
		920
		921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		922
		923	db_put cache => "$id/data", $data;
		924	db_put cache => "$id/md5" , $md5;
		925	db_put cache => "$id/meta", $meta;
		926
		927	return $data;
		928	}
		929
		930	db_get cache => "$id/data"
378	}	931	}
379		932
380	=item cf::datalog type => key => value, ...	933	=item cf::datalog type => key => value, ...
381		934
382	Log a datalog packet of the given type with the given key-value pairs.	935	Log a datalog packet of the given type with the given key-value pairs.
383		936
384	=cut	937	=cut
385		938
386	sub datalog($@) {	939	sub datalog($@) {
387	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	942	}
390		943
391	=back	944	=back
392		945
393	=cut	946	=cut
394		947
395	#############################################################################	948	#############################################################################
396		949
397	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
398		951
399	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
402		955
403	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	958	Deliantra).
406		959
407	=over 4	960	=over 4
408		961
409	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
410		963
…		…
454	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
455		1008
456	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
458		1011
459	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
461		1014
462	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
463		1016
464	=over 4	1017	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1126	$registry = $CB_TYPE[$object_type] ||= [];
574		1127
575	} elsif ($type eq "subtype") {	1128	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1129	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1130	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1131	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1132
580	} elsif ($type eq "package") {	1133	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1134	my $pkg = shift @arg;
582		1135
583	while (my ($name, $id) = each %cb_id) {	1136	while (my ($name, $id) = each %cb_id) {
…		…
588		1141
589	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1144
592	} elsif (ref $type) {	1145	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
594		1147
595	} else {	1148	} else {
596	shift @arg;	1149	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
598	}	1151	}
599	}	1152	}
600	}	1153	}
601		1154
602	sub _object_attach {	1155	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
613	}	1166	}
614		1167
615	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
616	} else {	1169	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1171	}
619		1172
620	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
621	}	1174	}
622		1175
…		…
624	if (ref $_[0]) {	1177	if (ref $_[0]) {
625	_object_attach @_;	1178	_object_attach @_;
626	} else {	1179	} else {
627	_attach shift->_attach_registry, @_;	1180	_attach shift->_attach_registry, @_;
628	}	1181	}
		1182	_recalc_want;
629	};	1183	};
630		1184
631	# all those should be optimised	1185	# all those should be optimised
632	sub cf::attachable::detach {	1186	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1190	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1191	reattach ($obj);
638	} else {	1192	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1193	Carp::croak "cannot, currently, detach class attachments";
640	}	1194	}
		1195	_recalc_want;
641	};	1196	};
642		1197
643	sub cf::attachable::attached {	1198	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1199	my ($obj, $name) = @_;
645		1200
…		…
660	";	1215	";
661	die if $@;	1216	die if $@;
662	}	1217	}
663		1218
664	our $override;	1219	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1220	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1221
667	sub override {	1222	sub override {
668	$override = 1;	1223	$override = 1;
669	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
670	}	1225	}
671		1226
672	sub do_invoke {	1227	sub do_invoke {
673	my $event = shift;	1228	my $event = shift;
674	my $callbacks = shift;	1229	my $callbacks = shift;
675		1230
676	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
677		1232
678	local $override;	1233	local $override;
679		1234
680	for (@$callbacks) {	1235	for (@$callbacks) {
681	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
682		1237
683	if ($@) {	1238	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1240	override;
687	}	1241	}
688		1242
689	return 1 if $override;	1243	return 1 if $override;
690	}	1244	}
691		1245
692	0	1246	0
693	}	1247	}
694		1248
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1250
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1252
699	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
700		1254
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1255	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1256	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1258
705	=back	1259	=back
706		1260
707	=cut	1261	=cut
708		1262
709	#############################################################################	1263	#############################################################################
710	# object support	1264	# object support
		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
		1299	sub _can_merge {
		1300	my ($ob1, $ob2) = @_;
		1301
		1302	++$SLOW_MERGES;#d#
		1303
		1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
		1306	}
711		1307
712	sub reattach {	1308	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1310	my ($obj) = @_;
715		1311
		1312	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1314
718	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
719		1316
720	@$registry = ();	1317	@$registry = ();
721		1318
…		…
726	for (@$attach) {	1323	for (@$attach) {
727	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
729	}	1326	}
730	} else {	1327	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1329	}
733	}	1330	}
734	}	1331	}
735		1332
736	cf::attachable->attach (	1333	cf::attachable->attach (
737	prio => -1000000,	1334	prio => -1000000,
738	on_instantiate => sub {	1335	on_instantiate => sub {
739	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
740		1337
741	$data = from_json $data;	1338	$data = decode_json $data;
742		1339
743	for (@$data) {	1340	for (@$data) {
744	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
745		1342
746	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1359	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
764		1361
765	sync_job {	1362	sync_job {
766	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
769		1368
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
774	close $fh;	1376	aio_close $fh;
775		1377
776	if (@$objs) {	1378	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
782	close $fh;	1387	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
784	}	1389	}
785	} else {	1390	} else {
786	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
787	}	1392	}
788		1393
789	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1398	} else {
791	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
792	}	1400	}
793	} else {	1401	} else {
794	aio_unlink $filename;	1402	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
796	}	1404	}
797	}	1405	};
798	}	1406	}
799		1407
800	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
802		1410
…		…
814	or return;	1422	or return;
815		1423
816	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
818	or return;	1426	or return;
		1427
819	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
820	}	1430	}
821		1431
		1432	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
824	return ($data, $av);	1437	($data, $av)
825	}	1438	}
		1439
		1440	=head2 COMMAND CALLBACKS
		1441
		1442	=over 4
		1443
		1444	=cut
826		1445
827	#############################################################################	1446	#############################################################################
828	# command handling &c	1447	# command handling &c
829		1448
830	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
831		1450
832	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
833	$name.	1452	$name.
834		1453
835	=cut	1454	=cut
…		…
841	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
842		1461
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1463	}
845		1464
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
847		1466
848	Register a callbackf ro execution when the client sends an extcmd packet.	1467	Register a callback for execution when the client sends an (synchronous)
		1468	extcmd packet. Ext commands will be processed in the order they are
		1469	received by the server, like other user commands. The first argument is
		1470	the logged-in player. Ext commands can only be processed after a player
		1471	has logged in successfully.
849		1472
850	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
851	called.
852		1474
853	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
854		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=item cf::register_exticmd $name => \&callback($ns,@args)
		1481
		1482	Register a callback for execution when the client sends an (asynchronous)
		1483	exticmd packet. Exti commands are processed by the server as soon as they
		1484	are received, i.e. out of order w.r.t. other commands. The first argument
		1485	is a client socket. Exti commands can be received anytime, even before
		1486	log-in.
		1487
		1488	The values will be sent back to the client.
		1489
		1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
855	sub register_extcmd {	1497	sub register_extcmd($$) {
856	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
857		1499
858	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
859	}	1501	}
860		1502
		1503	sub register_async_extcmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
		1512	$EXTICMD{$name} = $cb;
		1513	}
		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
861	cf::player->attach (	1523	cf::player->attach (
862	on_command => sub {	1524	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
864		1526
865	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
866	or return;	1528	or return;
867		1529
…		…
872	cf::override;	1534	cf::override;
873	},	1535	},
874	on_extcmd => sub {	1536	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
876		1538
877	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1540
879	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
882	$pl->ext_reply ($msg->{msgid}, %reply);	1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
		1557	@reply = $cb->($pl, @payload);
883	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
884	}	1562	}
		1563
885	} else {	1564	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1566	}
888		1567
889	cf::override;	1568	cf::override;
890	},	1569	},
891	);	1570	);
892		1571
		1572	# "readahead" all extensions
893	sub load_extension {	1573	sub cache_extensions {
894	my ($path) = @_;	1574	my $grp = IO::AIO::aio_group;
895		1575
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1577	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1579	}
921	die $@;
922	}	1580	};
923		1581
924	push @EXTS, $pkg;	1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
925	}	1594	}
926		1595
927	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
		1601	cf::sync_job {
		1602	my %todo;
		1603
928	for my $ext (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1605	next unless -r $path;
930	eval {	1606
931	load_extension $ext;	1607	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1608	my $base = $1;
		1609	my $pkg = $1;
		1610	$pkg =~ s/[^[:word:]]/_/g;
		1611	$pkg = "ext::$pkg";
		1612
		1613	open my $fh, "<:utf8", $path
		1614	or die "$path: $!";
		1615
		1616	my $source = do { local $/; <$fh> };
		1617
		1618	my %ext = (
		1619	path => $path,
		1620	base => $base,
		1621	pkg => $pkg,
		1622	);
		1623
		1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1626
		1627	$ext{source} =
		1628	"package $pkg; use common::sense;\n"
		1629	. "#line 1 \"$path\"\n{\n"
		1630	. $source
		1631	. "\n};\n1";
		1632
		1633	$todo{$base} = \%ext;
		1634	}
		1635
		1636	my $pass = 0;
		1637	my %done;
		1638	while (%todo) {
		1639	my $progress;
		1640
		1641	++$pass;
		1642
		1643	ext:
		1644	while (my ($k, $v) = each %todo) {
		1645	for (split /,\s*/, $v->{meta}{depends}) {
		1646	next ext
		1647	unless exists $done{$_};
		1648	}
		1649
		1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1651
		1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
		1664	error "$v->{path}: $@\n";
		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1667	if exists $v->{meta}{mandatory};
		1668
		1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1670	delete $todo{$k};
		1671	} else {
		1672	$done{$k} = delete $todo{$k};
		1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
		1678	}
932	1	1679	}
933	} or warn "$ext not loaded: $@";	1680
		1681	unless ($progress) {
		1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
		1691	}
934	}	1692	};
935	}	1693	}
936		1694
937	#############################################################################	1695	#############################################################################
938		1696
		1697	=back
		1698
939	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
940		1700
941	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
942		1702
943	=cut	1703	=cut
944		1704
945	package cf::player;	1705	package cf::player;
946		1706
…		…
948		1708
949	=head3 cf::player	1709	=head3 cf::player
950		1710
951	=over 4	1711	=over 4
952		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
		1726
953	=item cf::player::find $login	1727	=item cf::player::find $login
954		1728
955	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
956		1730
957	=cut	1731	=cut
958		1732
959	sub playerdir($) {	1733	sub playerdir($) {
960	cf::localdir	1734	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1735	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1736	}
966		1737
967	sub path($) {	1738	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1739	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1749
979	sub exists($) {	1750	sub exists($) {
980	my ($login) = @_;	1751	my ($login) = @_;
981		1752
982	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
984	}	1755	}
985		1756
986	sub find($) {	1757	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1759	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
999		1770
1000	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1003	}	1780	}
1004	}	1781	}
1005	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
1006		1796
1007	sub save($) {	1797	sub save($) {
1008	my ($pl) = @_;	1798	my ($pl) = @_;
1009		1799
1010	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1016		1806
1017	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1019		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1814
1020	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1021	Coro::cede;	1816	cf::cede_to_tick;
1022	}	1817	}
1023		1818
1024	sub new($) {	1819	sub new($) {
1025	my ($login) = @_;	1820	my ($login) = @_;
1026		1821
…		…
1032	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1033		1828
1034	$self	1829	$self
1035	}	1830	}
1036		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1037	=item $pl->quit_character	1842	=item $pl->quit_character
1038		1843
1039	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1041		1846
…		…
1045	my ($pl) = @_;	1850	my ($pl) = @_;
1046		1851
1047	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1048		1853
1049	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1856
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1055	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1056		1865
1057	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1897	while and may block, so not sync_job-capable, ever.
1089		1898
1090	=cut	1899	=cut
1091		1900
1092	sub list_logins {	1901	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1902	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1903	or return [];
1095		1904
1096	my @logins;	1905	my @logins;
1097		1906
1098	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1102		1917
1103	utf8::decode $login;	1918	utf8::decode $login;
1104	push @logins, $login;	1919	push @logins, $login;
1105	}	1920	}
1106		1921
1107	\@logins	1922	\@logins
1108	}	1923	}
1109		1924
1110	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1111		1928
1112	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1113	player. May block.	1930	player. May block.
1114		1931
1115	=cut	1932	=cut
…		…
1133	}	1950	}
1134		1951
1135	\@paths	1952	\@paths
1136	}	1953	}
1137		1954
1138	=item $player->ext_reply ($msgid, %msg)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1139		1956
1140	Sends an ext reply to the player.	1957	Expand deliantra pod fragments into protocol xml.
1141		1958
1142	=cut
1143
1144	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;
1146
1147	$msg{msgid} = $id;
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}
1151
1152	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1153		1960
1154	Sends an ext event to the client.	1961	Sends an ext event to the client.
1155		1962
1156	=cut	1963	=cut
1157		1964
1158	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1160		1967
1161	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1162	}	1969	}
1163		1970
1164	=head3 cf::region	1971	=head3 cf::region
1165		1972
1166	=over 4	1973	=over 4
…		…
1169		1976
1170	package cf::region;	1977	package cf::region;
1171		1978
1172	=item cf::region::find_by_path $path	1979	=item cf::region::find_by_path $path
1173		1980
1174	Tries to decuce the probable region for a map knowing only its path.	1981	Tries to decuce the likely region for a map knowing only its path.
1175		1982
1176	=cut	1983	=cut
1177		1984
1178	sub find_by_path($) {	1985	sub find_by_path($) {
1179	my ($path) = @_;	1986	my ($path) = @_;
1180		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1181	my ($match, $specificity);	1990	my ($match, $specificity);
1182		1991
1183	for my $region (list) {	1992	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1187	}	1996	}
1188	}	1997	}
1189		1998
…		…
1210	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1212		2021
1213	sub generate_random_map {	2022	sub generate_random_map {
1214	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1216	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	2028	}
1230		2029
1231	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1232		2031
1233	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1238		2037
1239	sub register {	2038	sub register {
1240	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	2040	my $pkg = caller;
1242		2041
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		2043
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	2045	}
1248		2046
1249	# also paths starting with '/'	2047	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		2049
1252	sub thawer_merge {	2050	sub thawer_merge {
1253	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1254		2052
1255	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
1256	local $self->{path};	2054	local $self->{path};
1257	local $self->{load_path};	2055	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		2056
1261	$self->SUPER::thawer_merge ($merge);	2057	$self->SUPER::thawer_merge ($merge);
1262	}	2058	}
1263		2059
1264	sub normalise {	2060	sub normalise {
1265	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1266		2062
1267	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1268		2064
1269	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1270		2066
1271	# map plan:	2067	# map plan:
1272	#	2068	#
…		…
1287	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	2084	$path = "$base/$path";
1289	}	2085	}
1290		2086
1291	for ($path) {	2087	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1295	}	2090	}
1296		2091
1297	$path	2092	$path
…		…
1311	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1312	return $self;	2107	return $self;
1313	}	2108	}
1314	}	2109	}
1315		2110
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2112	()
1318	}	2113	}
1319		2114
		2115	# may re-bless or do other evil things
1320	sub init {	2116	sub init {
1321	my ($self) = @_;	2117	my ($self) = @_;
1322		2118
1323	$self	2119	$self
1324	}	2120	}
…		…
1336		2132
1337	# the original (read-only) location	2133	# the original (read-only) location
1338	sub load_path {	2134	sub load_path {
1339	my ($self) = @_;	2135	my ($self) = @_;
1340		2136
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2137	"$MAPDIR/$self->{path}.map"
1342	}	2138	}
1343		2139
1344	# the temporary/swap location	2140	# the temporary/swap location
1345	sub save_path {	2141	sub save_path {
1346	my ($self) = @_;	2142	my ($self) = @_;
1347		2143
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2145	"$TMPDIR/$path.map"
1350	}	2146	}
1351		2147
1352	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1353	sub uniq_path {	2149	sub uniq_path {
1354	my ($self) = @_;	2150	my ($self) = @_;
1355		2151
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2153	"$UNIQUEDIR/$path"
1358	}	2154	}
1359		2155
1360	# and all this just because we cannot iterate over	2156	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2157	my ($self) = @_;
1364		2158
1365	$_->change_map_light ($change)	2159	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2160
		2161	$self->do_decay_objects;
1367	}	2162	}
1368		2163
1369	sub unlink_save {	2164	sub unlink_save {
1370	my ($self) = @_;	2165	my ($self) = @_;
1371		2166
…		…
1376		2171
1377	sub load_header_from($) {	2172	sub load_header_from($) {
1378	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1379		2174
1380	utf8::encode $path;	2175	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2177	or return;
1386		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1387	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1388		2186
1389	1	2187	1
1390	}	2188	}
1391		2189
		2190	# used to laod the header of an original map
1392	sub load_header_orig {	2191	sub load_header_orig {
1393	my ($self) = @_;	2192	my ($self) = @_;
1394		2193
1395	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1396	}	2195	}
1397		2196
		2197	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2198	sub load_header_temp {
1399	my ($self) = @_;	2199	my ($self) = @_;
1400		2200
1401	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1402	}	2202	}
1403		2203
		2204	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2205	sub prepare_temp {
1405	my ($self) = @_;	2206	my ($self) = @_;
1406		2207
1407	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1409	# safety	2210	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2213	}
1413		2214
		2215	# called after loading the header from an original map
1414	sub prepare_orig {	2216	sub prepare_orig {
1415	my ($self) = @_;	2217	my ($self) = @_;
1416		2218
1417	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2231	$self->load_header_orig
1430	or return;	2232	or return;
1431	$self->prepare_orig;	2233	$self->prepare_orig;
1432	}	2234	}
1433		2235
		2236	$self->{deny_reset} = 1
		2237	if $self->no_reset;
		2238
1434	$self->default_region (cf::region::find_by_path $self->{path})	2239	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2240	unless $self->default_region;
1436		2241
1437	1	2242	1
1438	}	2243	}
1439		2244
1440	sub find;	2245	sub find;
1441	sub find {	2246	sub find {
1442	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1443		2248
		2249	cf::cede_to_tick;
		2250
1444	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1445		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2255
1448	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1451	or return;	2258	or return;
1452		2259
1453	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1454		2261
1455	$map->load_header	2262	$map->load_header
1456	or return;	2263	or return;
1457		2264
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1461	$map->reset;	2270	$map->reset;
1462	undef $guard;
1463	return find $path;	2271	return find $path;
1464	}	2272	}
1465		2273
1466	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1467	}	2275	}
1468	}	2276	}
1469		2277
1470	sub pre_load { }	2278	sub pre_load { }
1471	sub post_load { }	2279	#sub post_load { } # XS
1472		2280
1473	sub load {	2281	sub load {
1474	my ($self) = @_;	2282	my ($self) = @_;
1475		2283
1476	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1477		2285
1478	my $path = $self->{path};	2286	my $path = $self->{path};
		2287
		2288	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1480		2290
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2291	return unless $self->valid;
		2292	return unless $self->state == cf::MAP_SWAPPED;
1482		2293
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2294	$self->alloc;
1486		2295
1487	$self->pre_load;	2296	$self->pre_load;
1488	Coro::cede;	2297	cf::cede_to_tick;
1489		2298
1490	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1491	or return;	2303	or return;
1492		2304
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1494	if delete $self->{load_original};	2306	if delete $self->{load_original};
1495		2307
1496	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2309	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2312	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1501	}	2317	}
1502	}
1503		2318
1504	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1505	# now do the right thing for maps	2328	# now do the right thing for maps
1506	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2331	unless $self->difficulty;
1517	Coro::cede;	2332	cf::cede_to_tick;
1518	$self->activate;	2333
1519	Coro::cede;	2334	unless ($self->{deny_activate}) {
		2335	$self->decay_objects;
		2336	$self->fix_auto_apply;
		2337	$self->update_buttons;
		2338	cf::cede_to_tick;
		2339	#$self->activate; # no longer activate maps automatically
		2340	}
		2341
		2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1520	}	2344	}
1521		2345
1522	$self->post_load;	2346	$self->post_load;
1523	Coro::cede;
1524		2347
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2348	1
1526	}	2349	}
1527		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2354	sub customise_for {
1529	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1530		2356
1531	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2358	if $self->per_player;
1533		2359
		2360	# return find "?party/" . $ob->name . "/" . $self->{path}
		2361	# if $self->per_party;
		2362
1534	$self	2363	$self
1535	}
1536
1537	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {
1539	my ($map) = @_;
1540
1541	my @diag; # diagonal neighbours
1542
1543	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)
1545	or next;
1546	$neigh = find $neigh, $map
1547	or next;
1548	$neigh->load;
1549
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}
1553
1554	for (@diag) {
1555	my $neigh = find @$_
1556	or next;
1557	$neigh->load;
1558	}
1559	}	2364	}
1560		2365
1561	sub find_sync {	2366	sub find_sync {
1562	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1563		2368
1564	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
1565	}	2374	}
1566		2375
1567	sub do_load_sync {	2376	sub do_load_sync {
1568	my ($map) = @_;	2377	my ($map) = @_;
1569		2378
1570	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1571	}	2384	}
1572		2385
1573	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1575		2388
1576	sub find_async {	2389	sub find_async {
1577	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1578		2391
1579	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1580		2393
1581	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1583	}	2396	}
1584		2397
1585	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1586	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1587	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1589	my $map = find $path	2405	if (my $map = find $k) {
1590	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1591	$map->load;	2407	}
1592		2408
1593	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1594	}	2410	}
1595	}	2411	}
1596	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1597	};	2413	};
1598	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1599		2415
1600	()	2416	()
1601	}	2417	}
1602		2418
		2419	# common code, used by both ->save and ->swapout
1603	sub save {	2420	sub _save {
1604	my ($self) = @_;	2421	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2422
1608	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1609		2424
1610	return unless $self->dirty;	2425	return unless $self->dirty;
1611		2426
…		…
1617	return if $self->{deny_save};	2432	return if $self->{deny_save};
1618		2433
1619	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1620		2435
1621	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1623	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1624		2442
1625	if ($uniq) {	2443	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2446	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2448	}
1631	}	2449	}
1632		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1633	sub swap_out {	2459	sub swap_out {
1634	my ($self) = @_;	2460	my ($self) = @_;
1635		2461
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1641	return if $self->players;	2466	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
1645	$self->clear;	2477	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2478	}
1648		2479
1649	sub reset_at {	2480	sub reset_at {
1650	my ($self) = @_;	2481	my ($self) = @_;
1651		2482
1652	# TODO: safety, remove and allow resettable per-player maps	2483	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2484	return 1e99 if $self->{deny_reset};
1655		2485
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2488
…		…
1669	my ($self) = @_;	2499	my ($self) = @_;
1670		2500
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2502
1673	return if $self->players;	2503	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2504
1676	warn "resetting map ", $self->path;#d#	2505	cf::trace "resetting map ", $self->path, "\n";
1677		2506
1678	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1679		2508
1680	# need to save uniques path	2509	# need to save uniques path
1681	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1682	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1683		2512
…		…
1685	if $uniq;	2514	if $uniq;
1686	}	2515	}
1687		2516
1688	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1689		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2521	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2522
1694	$self->unlink_save;	2523	$self->unlink_save;
1695	$self->destroy;	2524	$self->destroy;
1696	}	2525	}
1697		2526
1698	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1699		2528
1700	sub nuke {	2529	sub nuke {
1701	my ($self) = @_;	2530	my ($self) = @_;
1702		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1703	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1704		2536
1705	$self->unlink_save;	2537	$self->unlink_save;
1706		2538
1707	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2544
1713	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1714		2547
1715	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
		2549	}
		2550
		2551	=item $maps = cf::map::tmp_maps
		2552
		2553	Returns an arrayref with all map paths of currently instantiated and saved
		2554	maps. May block.
		2555
		2556	=cut
		2557
		2558	sub tmp_maps() {
		2559	[
		2560	map {
		2561	utf8::decode $_;
		2562	/\.map$/
		2563	? normalise $_
		2564	: ()
		2565	} @{ aio_readdir $TMPDIR or [] }
		2566	]
		2567	}
		2568
		2569	=item $maps = cf::map::random_maps
		2570
		2571	Returns an arrayref with all map paths of currently instantiated and saved
		2572	random maps. May block.
		2573
		2574	=cut
		2575
		2576	sub random_maps() {
		2577	[
		2578	map {
		2579	utf8::decode $_;
		2580	/\.map$/
		2581	? normalise "?random/$_"
		2582	: ()
		2583	} @{ aio_readdir $RANDOMDIR or [] }
		2584	]
1716	}	2585	}
1717		2586
1718	=item cf::map::unique_maps	2587	=item cf::map::unique_maps
1719		2588
1720	Returns an arrayref of paths of all shared maps that have	2589	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2590	instantiated unique items. May block.
1722		2591
1723	=cut	2592	=cut
1724		2593
1725	sub unique_maps() {	2594	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2595	[
1727	or return;	2596	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2597	utf8::decode $_;
1733	next if /\.pst$/;	2598	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2600	? ()
1736	push @paths, cf::map::normalise $_;	2601	: normalise $_
		2602	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2603	]
1738
1739	\@paths
1740	}	2604	}
1741		2605
1742	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
1743		2637
1744	=back	2638	=back
1745		2639
1746	=head3 cf::object	2640	=head3 cf::object
1747		2641
…		…
1751		2645
1752	=over 4	2646	=over 4
1753		2647
1754	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
1755		2649
1756	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
1757		2652
1758	=cut	2653	=cut
1759		2654
1760	sub inv_recursive_;	2655	sub inv_recursive_;
1761	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
1764		2659
1765	sub inv_recursive {	2660	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
1767	}	2662	}
1768		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
1769	package cf;	2692	package cf;
1770		2693
1771	=back	2694	=back
1772		2695
1773	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
1782		2705
1783	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
1784		2721
1785	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2723	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
1790		2727
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2728	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2729
1793	if ($self->{record_replies}) {	2730	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2731	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2732
1795	} else {	2733	} else {
		2734	my $pl = $self->contr;
		2735
		2736	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2737	my $dialog = $pl->{npc_dialog};
		2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2739
		2740	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2743	}
1798	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
1799	}	2755	}
1800		2756
1801	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
1802		2758
1803	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
1804	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
1805		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
1806	=cut	2787	=cut
1807		2788
1808	sub cf::object::player::may {	2789	sub cf::object::player::may {
1809	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
1810		2791
1811	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
1812	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
1813	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1814	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
1815	}	2796	}
1816		2797
1817	=item $player_object->enter_link	2798	=item $player_object->enter_link
1818		2799
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2801
1821	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
1823		2806
1824	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
1825		2814
1826	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
1827		2816
1828	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
1829	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
1847	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2837	my ($self) = @_;
1849		2838
1850	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
1851		2840
		2841	++$self->{_link_recursion};
		2842
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2844
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2846	if $self->map && $self->map->{path} ne "{link}";
1856		2847
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2849	}
1859		2850
1860	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
		2853
		2854	return unless $self->contr->active;
1862		2855
1863	my $link_pos = delete $self->{_link_pos};	2856	my $link_pos = delete $self->{_link_pos};
1864		2857
1865	unless ($map) {	2858	unless ($map) {
1866	# restore original map position	2859	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
1879		2872
1880	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
1883		2876
1884	$map->load;	2877	$map->load;
1885	$map->load_diag;
1886		2878
1887	return unless $self->contr->active;	2879	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2880
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
1892	}	2883	# entering was successful
1893		2884	delete $self->{_link_recursion};
1894	cf::player->attach (	2885	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2886	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2887	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2888
1908	# try to abort aborted map switching on player login :)	2889	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2890
1926	=item $player_object->goto ($path, $x, $y)	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2892
		2893	Moves the player to the given map-path and coordinates by first freezing
		2894	her, loading and preparing them map, calling the provided $check callback
		2895	that has to return the map if sucecssful, and then unfreezes the player on
		2896	the new (success) or old (failed) map position. In either case, $done will
		2897	be called at the end of this process.
		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
1928	=cut	2902	=cut
		2903
		2904	our $GOTOGEN;
1929		2905
1930	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
		2914
		2915	# do generation counting so two concurrent goto's will be executed in-order
		2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2917
1933	$self->enter_link;	2918	$self->enter_link;
1934		2919
1935	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
1936	my $map = eval {	2942	my $map = eval {
1937	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2944
		2945	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2946	$map = $map->customise_for ($self);
		2947	$map = $check->($map, $x, $y, $self) if $check && $map;
		2948	} else {
		2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2950	}
		2951
1939	$map	2952	$map
		2953	};
		2954
		2955	if ($@) {
		2956	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2957	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2958	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2959
		2960	if ($gen == $self->{_goto_generation}) {
		2961	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
		2963	}
		2964
		2965	$done->($self) if $done;
1944	})->prio (1);	2966	})->prio (1);
1945	}	2967	}
1946		2968
1947	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
1948		2970
…		…
1968	}	2990	}
1969		2991
1970	sub prepare_random_map {	2992	sub prepare_random_map {
1971	my ($exit) = @_;	2993	my ($exit) = @_;
1972		2994
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2997	# that depends on the exit object
1978		2998
1979	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	3001	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
1986	}	3008	}
1987		3009
1988	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
1989		3011
1990	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
1993		3015
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	3018	undef $fh;
1997	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
1998		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2001	}	3027	}
2002	}	3028	}
2003		3029
2004	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2006		3032
2007	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2008		3034
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	3035	$self->enter_link;
2021		3036
2022	(async {	3037	(async {
2023	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2024	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2025	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2026		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2027	1;	3076	1
2028	}) {	3077	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2033		3082
2034	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	3084	$self->leave_link;
2036	}	3085	}
2037	})->prio (1);	3086	})->prio (1);
2038	}	3087	}
2039		3088
2040	=head3 cf::client	3089	=head3 cf::client
2041		3090
2042	=over 4	3091	=over 4
2043		3092
2044	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2045		3094
2046	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2047	should not be used under normal circumstances.	3096	them as required.
2048		3097
2049	=cut	3098	=cut
2050		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
		3102	sub cf::client::send_big_packet {
		3103	my ($self, $pkt) = @_;
		3104
		3105	# try lzf for large packets
		3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
		3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3119
		3120	Send a msg packet to the client, formatting the msg for the client if
		3121	necessary. C<$type> should be a string identifying the type of the
		3122	message, with C<log> being the default. If C<$color> is negative, suppress
		3123	the message unless the client supports the msg packet.
		3124
		3125	=cut
		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you posess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2051	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
2052	my ($self, $text, $flags) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2053		3249
2054	utf8::encode $text;	3250	$msg = $self->pl->expand_cfpod ($msg)
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3251	unless $color & cf::NDI_VERBATIM;
2056	}
2057		3252
		3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
		3262	} elsif (ref $channel) {
		3263	# send meta info to client, if not yet sent
		3264	unless (exists $self->{channel}{$channel->{id}}) {
		3265	$self->{channel}{$channel->{id}} = $channel;
		3266	$self->ext_msg (channel_info => $channel);
		3267	}
		3268
		3269	$channel = $channel->{id};
		3270	}
		3271
		3272	return unless @extra || length $msg;
		3273
		3274	# default colour, mask it out
		3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3276	if $color & cf::NDI_DEF;
		3277
		3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
		3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3281	);
		3282
		3283	$self->send_big_packet ($pkt);
		3284	}
		3285
2058	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2059		3287
2060	Sends an exti event to the client.	3288	Sends an ext event to the client.
2061		3289
2062	=cut	3290	=cut
2063		3291
2064	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2066		3294
2067	$msg{msgtype} = "event_$type";	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2068	$self->send_packet ("ext " . cf::to_json \%msg);
2069	}	3296	}
2070		3297
2071	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2072		3299
2073	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3301	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3302	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3303
2077	Queries can fail, so check the return code. Or don't, as queries will become	3304	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3305	become reliable at some point in the future.
2079		3306
2080	=cut	3307	=cut
2081		3308
2082	sub cf::client::query {	3309	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3318	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3320
2094	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
		3323
		3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2096	}	3364	}
2097		3365
2098	cf::client->attach (	3366	cf::client->attach (
		3367	on_connect => sub {
		3368	my ($ns) = @_;
		3369
		3370	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3371	},
2099	on_reply => sub {	3372	on_reply => sub {
2100	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2101		3374
2102	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2103	# get handled first	3376	# get handled first
…		…
2115	} else {	3388	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3390	}
2118	}	3391	}
2119	},	3392	},
		3393	on_exticmd => sub {
		3394	my ($ns, $buf) = @_;
		3395
		3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3397
		3398	if (ref $msg) {
		3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3400
		3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
		3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
		3419	}
		3420	} else {
		3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3422	}
		3423
		3424	cf::override;
		3425	},
2120	);	3426	);
2121		3427
2122	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2123		3429
2124	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3446
2141	$coro	3447	$coro
2142	}	3448	}
2143		3449
2144	cf::client->attach (	3450	cf::client->attach (
2145	on_destroy => sub {	3451	on_client_destroy => sub {
2146	my ($ns) = @_;	3452	my ($ns) = @_;
2147		3453
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3455	},
2150	);	3456	);
…		…
2165	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2167		3473
2168	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2169		3475
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3476	$safe->permit_only (Opcode::opset qw(
		3477	:base_core :base_mem :base_orig :base_math :base_loop
		3478	grepstart grepwhile mapstart mapwhile
		3479	sort time
		3480	));
2171		3481
2172	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2173		3483
2174	=pod	3484	=pod
2175		3485
2176	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2177		3487
2178	cf::object contr pay_amount pay_player map	3488	cf::object
		3489	contr pay_amount pay_player map x y force_find force_add destroy
		3490	insert remove name archname title slaying race decrease split
		3491	value
		3492
2179	cf::object::player player	3493	cf::object::player
2180	cf::player peaceful	3494	player
2181	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2182		3501
2183	=cut	3502	=cut
2184		3503
2185	for (	3504	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2190	) {	3511	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3514	for @funs;
2195	}	3515	}
2196		3516
…		…
2211		3531
2212	my $qcode = $code;	3532	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2215		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2216	local $_;	3539	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3540
2219	my $eval =	3541	my $eval =
2220	"do {\n"	3542	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3545	. $code
2224	. "\n}"	3546	. "\n}"
2225	;	3547	;
2226		3548
		3549	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2230		3558
2231	if ($@) {	3559	if ($@) {
2232	warn "$@";	3560	warn "$@",
2233	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2235	}	3563	}
2236		3564
2237	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2238	}	3566	}
2239		3567
…		…
2253	=cut	3581	=cut
2254		3582
2255	sub register_script_function {	3583	sub register_script_function {
2256	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2257		3585
2258	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2260	}	3588	}
2261		3589
2262	=back	3590	=back
2263		3591
2264	=cut	3592	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3593
2435	#############################################################################	3594	#############################################################################
2436	# the server's init and main functions	3595	# the server's init and main functions
2437		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2438	sub load_facedata($) {	3674	sub load_facedata($) {
2439	my ($path) = @_;	3675	my ($path) = @_;
2440		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2441	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2442		3680
2443	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2444	0 < aio_load $path, $facedata
2445	or die "$path: $!";
2446
2447	$facedata = Coro::Storable::thaw $facedata;
2448		3682
2449	$facedata->{version} == 2	3683	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2451		3694
2452	{	3695	{
2453	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2454		3697
2455	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2460	Coro::cede;	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2461	}	3709	}
2462		3710
2463	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2465	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2466	or next;	3715	or next;
		3716
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3720	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3722	}
2472	Coro::cede;
2473	}	3723	}
2474	}	3724	}
2475		3725
2476	{	3726	{
2477	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2478		3728
2479	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;
2482	}	3731	}
2483		3732
2484	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2485	}	3734	}
2486		3735
		3736	{
		3737	my $res = $facedata->{resource};
		3738
		3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
		3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3743
		3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
		3750	} else {
		3751	# $RESOURCE{$name} = $info; # unused
		3752	}
		3753	}
		3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
2487	1	3770	1
2488	}	3771	}
2489		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
		3804
		3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
		3810	load_resource_file "$MAPDIR/regions"
		3811	or die "unable to load regions file\n";
		3812
		3813	for (cf::region::list) {
		3814	$_->{match} = qr/$_->{match}/
		3815	if exists $_->{match};
		3816	}
		3817	}
		3818
2490	sub reload_facedata {	3819	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3820	load_facedata $DATADIR
2492	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2493	}	3822	}
2494		3823
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3824	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3825	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
2503	}	3853	}
2504		3854
2505	sub reload_treasures {	3855	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3856	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2508	}	3858	}
2509		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
2510	sub reload_resources {	3880	sub reload_resources {
2511	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2512		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2513	reload_regions;	3888	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3889	reload_treasures;
2517		3890
2518	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2519	}	3892	}
2520		3893
2521	sub init {	3894	sub reload_config {
2522	reload_resources;	3895	trace "reloading config file...\n";
2523	}
2524		3896
2525	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3898	utf8::decode $config;
2527	or return;	3899	*CFG = decode_yaml $config;
2528		3900
2529	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;
2531
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3902
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3905
2537	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2541	};	3910	};
2542	warn $@ if $@;	3911	warn $@ if $@;
2543	}	3912	}
2544	}	3913	}
2545		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
2546	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
2547	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3956	(async {
2551	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2552	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2553	};	3960	};
2554		3961
2555	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2556	db_init;	3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
2557	load_extensions;	3986	load_extensions;
2558		3987
2559	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
2561	}	4005	}
2562		4006
2563	#############################################################################	4007	#############################################################################
2564	# initialisation and cleanup	4008	# initialisation and cleanup
2565		4009
2566	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2567	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2576	},
2577	);	4016	};
		4017	}
		4018	}
		4019
		4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
		4023	# first touch the runtime file to show we are still running:
		4024	# the fsync below can take a very very long time.
		4025
		4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4027
		4028	my $guard = cf::lock_acquire "write_runtime";
		4029
		4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4031	or return;
		4032
		4033	my $value = $cf::RUNTIME + 90 + 10;
		4034	# 10 is the runtime save interval, for a monotonic clock
		4035	# 60 allows for the watchdog to kill the server.
		4036
		4037	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4038	and return;
		4039
		4040	# always fsync - this file is important
		4041	aio_fsync $fh
		4042	and return;
		4043
		4044	# touch it again to show we are up-to-date
		4045	aio_utime $fh, undef, undef;
		4046
		4047	close $fh
		4048	or return;
		4049
		4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4051	and return;
		4052
		4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4054
2578	}	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
2579	}	4106	}
2580		4107
2581	sub emergency_save() {	4108	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2583		4110
2584	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
2585		4117
2586	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2587	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	4129	$pl->save;
2595	}	4130	}
2596	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2597		4132
2598	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	4138	$map->valid or next;
2602	$map->save;	4139	$map->save;
2603	}	4140	}
2604	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2605		4142
2606	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2609	};	4171	};
2610		4172
2611	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2612	}	4174	}
2613		4175
2614	sub post_cleanup {	4176	sub post_cleanup {
2615	my ($make_core) = @_;	4177	my ($make_core) = @_;
2616		4178
		4179	IO::AIO::flush;
		4180
2617	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
2619	}	4211	}
2620		4212
2621	sub do_reload_perl() {	4213	sub do_reload_perl() {
2622	# can/must only be called in main	4214	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2624	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2625	return;	4217	return;
2626	}	4218	}
2627		4219
2628	warn "reloading...";	4220	return if $RELOAD++;
2629		4221
2630	warn "entering sync_job";	4222	my $t1 = AE::time;
2631		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2632	cf::sync_job {	4230	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	4231	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		4232
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	4235	%EXT_CORO = ();
2661		4236
2662	warn "removing commands";	4237	trace "perl_reload: removing commands";
2663	%COMMAND = ();	4238	%COMMAND = ();
2664		4239
2665	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2667		4243
2668	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2671		4247
2672	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2673	eval {	4249	eval {
2674	$cb->($pkg);	4250	$cb->($pkg);
2675	1	4251	1
2676	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
2677	}	4257	}
2678		4258
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		4262
2687	warn "... unloading $k";	4263	trace "... unloading $k";
2688	delete $INC{$k};	4264	delete $INC{$k};
2689		4265
2690	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2692		4268
2693	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2695	}	4274	}
2696		4275
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		4279
2704	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		4283
2708	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2709	# and global variables created in xs	4285	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2711		4287
2712	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2713		4289
2714	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2715	require cf;	4291	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2717		4293
2718	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2719	cf::cfg_load;	4295	cf::reload_config;
2720		4296
2721	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2722	cf::load_extensions;	4298	cf::load_extensions;
2723		4299
		4300	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2727	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
2730		4308
2731	warn "leaving sync_job";	4309	cf::_post_init 1;
2732		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
2733	1	4313	1
2734	} or do {	4314	} or do {
2735	warn $@;	4315	error $@;
2736	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
2737	exit 1;	4317	};
		4318
		4319	--$RELOAD;
2738	};	4320	}
2739		4321
2740	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
2741	};	4324	};
2742		4325
2743	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
2744		4327
2745	sub reload_perl() {	4328	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
2748		4331
2749	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	4334
2752	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4336	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
2756	},	4338	};
2757	);	4339	};
2758	}	4340	}
2759		4341
2760	register_command "reload" => sub {	4342	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2762		4344
2763	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4349	reload_perl;
		4350	};
2766	}	4351	}
2767	};	4352	};
2768		4353
2769	unshift @INC, $LIBDIR;	4354	#############################################################################
2770		4355
2771	my $bug_warning = 0;	4356	my $bug_warning = 0;
2772		4357
2773	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;
2775
2776	sub wait_for_tick {	4358	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2778	return if $Coro::current == $Coro::main;
2779		4360
2780	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
2781	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;
2783	}	4362	}
2784		4363
2785	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2787	return if $Coro::current == $Coro::main;
2788		4366
2789	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4369	$signal->wait;
2792	}	4370	}
2793		4371
2794	$TICK_WATCHER = Event->timer (	4372	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2804	return;	4376	return;
2805	}	4377	}
2806		4378
2807	$NOW = Event::time;	4379	cf::one_tick; # one server iteration
2808		4380
2809	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810		4382
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4385	Coro::async_pool {
		4386	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4387	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4389	};
		4390	}
2821		4391
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4393	$sig->send;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4394	}
2840	);	4395	$WAIT_FOR_TICK->broadcast;
		4396
		4397	$LOAD = ($NOW - $TICK_START) / $TICK;
		4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4399
		4400	if (0) {
		4401	if ($NEXT_TICK) {
		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
		4406	}
		4407	}
2841		4408
2842	{	4409	{
2843	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
2845	reentrant => 0,	4412
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
2853		4414	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4416
2869	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4424
2872	cf::sync_job {	4425	cf::sync_job {
2873	eval {	4426	eval {
2874	BDB::db_env_open	4427	BDB::db_env_open
2875	$DB_ENV,	4428	$DB_ENV,
2876	$BDB_ENV_DIR,	4429	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4432	0666;
2880		4433
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4435	};
2886		4436
2887	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4438	};
2889	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
2890	}	4452	}
2891		4453
2892	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
2893	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4461	info "aio initialised";
2899	data => WF_AUTOCANCEL,	4462	}
2900	fd => IO::AIO::poll_fileno,	4463
2901	poll => 'r',	4464	our $_log_backtrace;
2902	prio => 6,	4465	our $_log_backtrace_last;
2903	cb => \&IO::AIO::poll_cb,	4466
2904	);	4467	sub _log_backtrace {
		4468	my ($msg, @addr) = @_;
		4469
		4470	$msg =~ s/\n$//;
		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4475	# limit the # of concurrent backtraces
		4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
		4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
		4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
		4483	my @bt = fork_call {
		4484	@addr = map { sprintf "%x", $_ } @addr;
		4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4487	or die "addr2line: $!";
		4488
		4489	my @funcs;
		4490	my @res = <$fh>;
		4491	chomp for @res;
		4492	while (@res) {
		4493	my ($func, $line) = splice @res, 0, 2, ();
		4494	push @funcs, "[$func] $line";
		4495	}
		4496
		4497	@funcs
		4498	};
		4499
		4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4502	LOG llevInfo, "[ABT] $_\n" for @bt;
		4503	--$_log_backtrace;
		4504	};
		4505	} else {
		4506	LOG llevInfo, "[ABT] $msg\n";
		4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4508	}
2905	}	4509	}
2906		4510
2907	# load additional modules	4511	# load additional modules
2908	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
2909		4514
2910	END { cf::emergency_save }	4515	END { cf::emergency_save }
2911		4516
2912	1	4517	1
2913		4518

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