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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use CBOR::XS ();
		63	use IO::AIO ();
27	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
28		66
		67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		79
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		82
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		84
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		86
40	our %COMMAND = ();	87	our %COMMAND = ();
41	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
42		89
43	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
47		97
		98	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	99	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
50		102
51	our $TICK = MAX_TIME * 1e-6;	103	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	104
53	our $AIO_POLL_WATCHER;	105	our $DATADIR = datadir;
54	our $WRITE_RUNTIME_WATCHER;	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;
		126
		127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	145	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		146
59	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		150
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
79	binmode STDOUT;	167	binmode STDOUT;
80	binmode STDERR;	168	binmode STDERR;
81		169
82	# read virtual server time, if available	170	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	172	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
87	}	175	}
88		176
89	mkdir cf::localdir;	177	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	178
91	mkdir cf::localdir . "/" . cf::tmpdir;	179	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		181
96	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
97		183
98	sub cf::map::normalise;	184	sub cf::map::normalise;
99		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
100	#############################################################################	190	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
103		204
104	=over 4	205	=over 4
105		206
106	=item $cf::UPTIME	207	=item $cf::UPTIME
107		208
108	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.
109		225
110	=item $cf::RUNTIME	226	=item $cf::RUNTIME
111		227
112	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
113	every server tick.	229	every server tick.
114		230
115	=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
116		234
117	The perl library directory, where extensions and cf-specific modules can	235	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	246	=item $cf::LOAD
121		247
122	The time of the last (current) server tick.	248	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		249
128	=item %cf::CFG	250	=item %cf::CFG
129		251
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	253	from wherever your confdir points to.
132		254
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		256
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	257	These are functions that inhibit the current coroutine one tick.
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	258	cf::wait_for_tick_begin only returns directly I<after> the tick
137	processing has been done. Call C<< ->wait >> on them to maximise the	259	processing (and consequently, can only wake one thread per tick), while
138	window of cpu time available, or simply to synchronise to the server tick.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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.
139		290
140	=back	291	=back
141		292
142	=cut	293	=cut
143		294
144	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	302	my $msg = join "", @_;
147	utf8::encode $msg;
148		303
149	$msg .= "\n"	304	$msg .= "\n"
150	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
151		306
		307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		308
152	LOG llevError, $msg;	309	LOG llevWarn, $msg;
153	};	310	};
154	}	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	};
155		325
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		333
163	# 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
164	# within the Safe compartment.	335	# within the Safe compartment.
165	for my $pkg (qw(	336	for my $pkg (qw(
166	cf::global cf::attachable	337	cf::global cf::attachable
167	cf::object cf::object::player	338	cf::object cf::object::player
168	cf::client cf::player	339	cf::client cf::player
169	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
170	cf::map cf::party cf::region	342	cf::party cf::region
171	)) {	343	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	345	}
175		346
176	$Event::DIED = sub {	347	$EV::DIED = sub {
177	warn "error in event callback: @_";	348	warn "error in event callback: $@";
178	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
		355
		356	#############################################################################
179		357
180	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
181		359
182	=over 4	360	=over 4
183		361
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	381	$d
204	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
205	}	383	}
206		384
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	385	=item $scalar = cf::load_file $path
208		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
209	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
210		438
211	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
212		440
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
221		442
222	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
223		444
224	=cut	445	=cut
225		446
226	sub to_json($) {	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	448
228	JSON::Syck::Dump $_[0]	449	sub encode_json($) { $json_coder->encode ($_[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	}
229	}	526	}
230		527
231	=item cf::lock_wait $string	528	=item cf::lock_wait $string
232		529
233	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
234		531
235	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
236		533
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
240	returned.	537	returned.
241		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
242	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
243	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
244		544
245	=cut	545	=item $locked = cf::lock_active $string
246		546
247	our %LOCK;	547	Return true if the lock is currently active, i.e. somebody has locked it.
		548
		549	=cut
		550
		551	our $LOCKS = new Coro::SemaphoreSet;
248		552
249	sub lock_wait($) {	553	sub lock_wait($) {
250	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	555	}
258		556
259	sub lock_acquire($) {	557	sub lock_acquire($) {
260	my ($key) = @_;	558	$LOCKS->guard ($_[0])
		559	}
261		560
262	# wait, to be sure we are not locked	561	sub lock_active($) {
263	lock_wait $key;	562	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	563	}
272		564
273	sub freeze_mainloop {	565	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
275		567
276	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	569	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
279	};	638	}
280	$WRITE_RUNTIME_WATCHER->stop;	639	};
281	$TICK_WATCHER->stop;	640
282	$guard	641	sub get_slot($;$$) {
		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	$sig->wait;
283	}	654	}
284		655
285	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
286		657
287	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		663
293	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
294		665
295	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
296		667
297	The design of crossfire+ requires that the main coro ($Coro::main) is	668	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	669	is always able to handle events or is runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		671	acceptable.
300		672
301	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	675	server will be frozen during this time, so the block should either finish
304	fast or be very important.	676	fast or be very important.
…		…
306	=cut	678	=cut
307		679
308	sub sync_job(&) {	680	sub sync_job(&) {
309	my ($job) = @_;	681	my ($job) = @_;
310		682
311	if ($Coro::current == $Coro::main) {	683	if (in_main) {
		684	my $time = AE::time;
		685
312	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
314		688
315	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	690
317	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
318		692
319	my $busy = 1;	693	my $busy = 1;
320	my @res;	694	my @res;
321		695
322	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	698	@res = eval { $job->() };
324	warn $@ if $@;	699	error $@ if $@;
325	undef $busy;	700	undef $busy;
326	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
327		702
328	while ($busy) {	703	while ($busy) {
329	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
330	}	708	}
		709	}
		710
		711	my $time = AE::time - $time;
		712
		713	$TICK_START += $time; # do not account sync jobs to server load
331		714
332	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
333	} else {	716	} else {
334	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
335		718
…		…
355	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
356		739
357	$coro	740	$coro
358	}	741	}
359		742
360	sub write_runtime {	743	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		744
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	745	Executes the given code block with the given arguments in a seperate
364	or return;	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.
365		749
366	my $value = $cf::RUNTIME + 90 + 10;	750	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		751
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	752	sub post_fork {
371	and return;	753	reset_signals;
		754	}
372		755
373	# always fsync - this file is important	756	sub fork_call(&@) {
374	aio_fsync $fh	757	my ($cb, @args) = @_;
375	and return;
376		758
377	close $fh	759	my @res = Coro::Util::fork_eval {
378	or return;	760	cf::post_fork;
		761	&$cb
		762	} @args;
379		763
380	aio_rename "$runtime~", $runtime	764	wantarray ? @res : $res[-1]
381	and return;	765	}
382		766
		767	sub objinfo {
383	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"
		931	}
		932
		933	=item cf::datalog type => key => value, ...
		934
		935	Log a datalog packet of the given type with the given key-value pairs.
		936
		937	=cut
		938
		939	sub datalog($@) {
		940	my ($type, %kv) = @_;
		941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	942	}
385		943
386	=back	944	=back
387		945
388	=cut	946	=cut
389		947
390	#############################################################################	948	#############################################################################
391		949
392	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
393		951
394	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
395	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")
396	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
397		955
398	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>
399	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
400	crossfire+).	958	Deliantra).
401		959
402	=over 4	960	=over 4
403		961
404	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
405		963
…		…
449	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
450		1008
451	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
453		1011
454	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		1014
457	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
458		1016
459	=over 4	1017	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1126	$registry = $CB_TYPE[$object_type] ||= [];
569		1127
570	} elsif ($type eq "subtype") {	1128	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1129	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1130	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1131	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1132
575	} elsif ($type eq "package") {	1133	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1134	my $pkg = shift @arg;
577		1135
578	while (my ($name, $id) = each %cb_id) {	1136	while (my ($name, $id) = each %cb_id) {
…		…
583		1141
584	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1144
587	} elsif (ref $type) {	1145	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
589		1147
590	} else {	1148	} else {
591	shift @arg;	1149	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
593	}	1151	}
594	}	1152	}
595	}	1153	}
596		1154
597	sub _object_attach {	1155	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
608	}	1166	}
609		1167
610	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
611	} else {	1169	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1171	}
614		1172
615	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
616	}	1174	}
617		1175
…		…
619	if (ref $_[0]) {	1177	if (ref $_[0]) {
620	_object_attach @_;	1178	_object_attach @_;
621	} else {	1179	} else {
622	_attach shift->_attach_registry, @_;	1180	_attach shift->_attach_registry, @_;
623	}	1181	}
		1182	_recalc_want;
624	};	1183	};
625		1184
626	# all those should be optimised	1185	# all those should be optimised
627	sub cf::attachable::detach {	1186	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1190	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1191	reattach ($obj);
633	} else {	1192	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1193	Carp::croak "cannot, currently, detach class attachments";
635	}	1194	}
		1195	_recalc_want;
636	};	1196	};
637		1197
638	sub cf::attachable::attached {	1198	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1199	my ($obj, $name) = @_;
640		1200
…		…
655	";	1215	";
656	die if $@;	1216	die if $@;
657	}	1217	}
658		1218
659	our $override;	1219	our $override;
660	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?
661		1221
662	sub override {	1222	sub override {
663	$override = 1;	1223	$override = 1;
664	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
665	}	1225	}
666		1226
667	sub do_invoke {	1227	sub do_invoke {
668	my $event = shift;	1228	my $event = shift;
669	my $callbacks = shift;	1229	my $callbacks = shift;
670		1230
671	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
672		1232
673	local $override;	1233	local $override;
674		1234
675	for (@$callbacks) {	1235	for (@$callbacks) {
676	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
677		1237
678	if ($@) {	1238	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1240	override;
682	}	1241	}
683		1242
684	return 1 if $override;	1243	return 1 if $override;
685	}	1244	}
686		1245
687	0	1246	0
688	}	1247	}
689		1248
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1250
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1252
694	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
695		1254
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1258
700	=back	1259	=back
701		1260
702	=cut	1261	=cut
703		1262
704	#############################################################################	1263	#############################################################################
705	# 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, $ob2
		1306	}
706		1307
707	sub reattach {	1308	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1310	my ($obj) = @_;
710		1311
		1312	# no longer needed after getting rid of delete_package?
711	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
712		1314
713	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
714		1316
715	@$registry = ();	1317	@$registry = ();
716		1318
…		…
721	for (@$attach) {	1323	for (@$attach) {
722	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
724	}	1326	}
725	} else {	1327	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1329	}
728	}	1330	}
729	}	1331	}
730		1332
731	cf::attachable->attach (	1333	cf::attachable->attach (
732	prio => -1000000,	1334	prio => -1000000,
733	on_instantiate => sub {	1335	on_instantiate => sub {
734	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
735		1337
736	$data = from_json $data;	1338	$data = decode_json $data;
737		1339
738	for (@$data) {	1340	for (@$data) {
739	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
740		1342
741	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1359	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
759		1361
760	sync_job {	1362	sync_job {
761	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
764		1368
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
769	close $fh;	1376	aio_close $fh;
770		1377
771	if (@$objs) {	1378	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1387	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
779	}	1389	}
780	} else {	1390	} else {
781	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
782	}	1392	}
783		1393
784	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1398	} else {
786	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
787	}	1400	}
788	} else {	1401	} else {
789	aio_unlink $filename;	1402	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
791	}	1404	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1405	};
799	}	1406	}
800		1407
801	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
803		1410
…		…
808		1415
809	sub object_thawer_load {	1416	sub object_thawer_load {
810	my ($filename) = @_;	1417	my ($filename) = @_;
811		1418
812	my ($data, $av);	1419	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1420
817	(aio_load $filename, $data) >= 0	1421	(aio_load $filename, $data) >= 0
818	or return;	1422	or return;
819		1423
820	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
822	or return;	1426	or return;
		1427
823	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
824	}	1430	}
825		1431
		1432	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
828	return ($data, $av);	1437	($data, $av)
829	}	1438	}
		1439
		1440	=head2 COMMAND CALLBACKS
		1441
		1442	=over 4
		1443
		1444	=cut
830		1445
831	#############################################################################	1446	#############################################################################
832	# command handling &c	1447	# command handling &c
833		1448
834	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
835		1450
836	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
837	$name.	1452	$name.
838		1453
839	=cut	1454	=cut
…		…
845	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
846		1461
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1463	}
849		1464
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
851		1466
852	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.
853		1472
854	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
855	called.
856		1474
857	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
858		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$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
859	sub register_extcmd {	1497	sub register_extcmd($$) {
860	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
861		1499
862	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
863	}	1501	}
864		1502
		1503	sub register_async_extcmd($$) {
		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} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
865	cf::player->attach (	1523	cf::player->attach (
866	on_command => sub {	1524	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
868		1526
869	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
870	or return;	1528	or return;
871		1529
…		…
876	cf::override;	1534	cf::override;
877	},	1535	},
878	on_extcmd => sub {	1536	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
880		1538
881	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1540
883	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
886	$pl->ext_reply ($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);
887	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
888	}	1562	}
		1563
889	} else {	1564	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1566	}
892		1567
893	cf::override;	1568	cf::override;
894	},	1569	},
895	);	1570	);
896		1571
		1572	# "readahead" all extensions
897	sub load_extension {	1573	sub cache_extensions {
898	my ($path) = @_;	1574	my $grp = IO::AIO::aio_group;
899		1575
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1577	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1579	}
925	die $@;
926	}	1580	};
927		1581
928	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;
929	}	1594	}
930		1595
931	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
		1601	cf::sync_job {
		1602	my %todo;
		1603
932	for my $ext (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1605	next unless -r $path;
934	eval {	1606
935	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 $active;
		1678	}
936	1	1679	}
937	} or warn "$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	}
938	}	1692	};
939	}	1693	}
940		1694
941	#############################################################################	1695	#############################################################################
942		1696
		1697	=back
		1698
943	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
944		1700
945	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
946		1702
947	=cut	1703	=cut
948		1704
949	package cf::player;	1705	package cf::player;
950		1706
…		…
952		1708
953	=head3 cf::player	1709	=head3 cf::player
954		1710
955	=over 4	1711	=over 4
956		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
957	=item cf::player::find $login	1727	=item cf::player::find $login
958		1728
959	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
960		1730
961	=cut	1731	=cut
962		1732
963	sub playerdir($) {	1733	sub playerdir($) {
964	cf::localdir	1734	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1735	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1736	}
970		1737
971	sub path($) {	1738	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1739	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1740
974	(playerdir $login) . "/$login.pl"	1741	(playerdir $login) . "/playerdata"
975	}	1742	}
976		1743
977	sub find_active($) {	1744	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1745	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1746	and $cf::PLAYER{$_[0]}->active
…		…
982		1749
983	sub exists($) {	1750	sub exists($) {
984	my ($login) = @_;	1751	my ($login) = @_;
985		1752
986	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
988	}	1755	}
989		1756
990	sub find($) {	1757	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1759	my $login = $_[0];
993		1760
994	my $guard = cf::lock_acquire "user_find:$login";	1761	my $guard = cf::lock_acquire "user_find:$login";
995		1762
996	$cf::PLAYER{$_[0]} || do {	1763	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1764	# rename old playerfiles to new ones
		1765	#TODO: remove when no longer required
		1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1769	aio_unlink +(playerdir $login) . "/$login.pl";
		1770
		1771	my $f = new_from_file cf::object::thawer path $login
998	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;
999	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1000	}	1780	}
1001	}	1781	}
1002	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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	);
1003		1796
1004	sub save($) {	1797	sub save($) {
1005	my ($pl) = @_;	1798	my ($pl) = @_;
1006		1799
1007	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1013		1806
1014	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1018	Coro::cede;	1816	cf::cede_to_tick;
1019	}	1817	}
1020		1818
1021	sub new($) {	1819	sub new($) {
1022	my ($login) = @_;	1820	my ($login) = @_;
1023		1821
…		…
1029	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1030		1828
1031	$self	1829	$self
1032	}	1830	}
1033		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
1034	=item $pl->quit_character	1842	=item $pl->quit_character
1035		1843
1036	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1038		1846
1039	=cut	1847	=cut
1040		1848
1041	sub quit_character {	1849	sub quit_character {
1042	my ($pl) = @_;	1850	my ($pl) = @_;
1043		1851
		1852	my $name = $pl->ob->name;
		1853
1044	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1045	$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
1046		1856
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1050	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1051		1865
1052	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1869	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1870	$pl->destroy;
		1871
		1872	my $prefix = qr<^~\Q$name\E/>;
		1873
		1874	# nuke player maps
		1875	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1876
1057	IO::AIO::aio_rmtree $temp;	1877	IO::AIO::aio_rmtree $temp;
		1878	}
		1879
		1880	=item $pl->kick
		1881
		1882	Kicks a player out of the game. This destroys the connection.
		1883
		1884	=cut
		1885
		1886	sub kick {
		1887	my ($pl, $kicker) = @_;
		1888
		1889	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1890	$pl->killer ("kicked");
		1891	$pl->ns->destroy;
1058	}	1892	}
1059		1893
1060	=item cf::player::list_logins	1894	=item cf::player::list_logins
1061		1895
1062	Returns am arrayref of all valid playernames in the system, can take a	1896	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1897	while and may block, so not sync_job-capable, ever.
1064		1898
1065	=cut	1899	=cut
1066		1900
1067	sub list_logins {	1901	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1902	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1903	or return [];
1070		1904
1071	my @logins;	1905	my @logins;
1072		1906
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1077		1917
1078	utf8::decode $login;	1918	utf8::decode $login;
1079	push @logins, $login;	1919	push @logins, $login;
1080	}	1920	}
1081		1921
1082	\@logins	1922	\@logins
1083	}	1923	}
1084		1924
1085	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1086		1928
1087	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1088	player. May block.	1930	player. May block.
1089		1931
1090	=cut	1932	=cut
…		…
1108	}	1950	}
1109		1951
1110	\@paths	1952	\@paths
1111	}	1953	}
1112		1954
		1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1956
		1957	Expand deliantra pod fragments into protocol xml.
		1958
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1959	=item $player->ext_msg ($type, @msg)
1114		1960
1115	Sends an ext reply to the player.	1961	Sends an ext event to the client.
1116		1962
1117	=cut	1963	=cut
1118		1964
1119	sub ext_reply($$$%) {	1965	sub ext_msg($$@) {
1120	my ($self, $id, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1121		1967
1122	$msg{msgid} = $id;	1968	$self->ns->ext_msg ($type, @msg);
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1969	}
1126		1970
1127	package cf;	1971	=head3 cf::region
		1972
		1973	=over 4
		1974
		1975	=cut
		1976
		1977	package cf::region;
		1978
		1979	=item cf::region::find_by_path $path
		1980
		1981	Tries to decuce the likely region for a map knowing only its path.
		1982
		1983	=cut
		1984
		1985	sub find_by_path($) {
		1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
		1990	my ($match, $specificity);
		1991
		1992	for my $region (list) {
		1993	if ($region->{match} && $path =~ $region->{match}) {
		1994	($match, $specificity) = ($region, $region->specificity)
		1995	if $region->specificity > $specificity;
		1996	}
		1997	}
		1998
		1999	$match
		2000	}
1128		2001
1129	=back	2002	=back
1130
1131		2003
1132	=head3 cf::map	2004	=head3 cf::map
1133		2005
1134	=over 4	2006	=over 4
1135		2007
…		…
1147	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1149		2021
1150	sub generate_random_map {	2022	sub generate_random_map {
1151	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1153	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}
1165	)
1166	}	2028	}
1167		2029
1168	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1169		2031
1170	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
…		…
1175		2037
1176	sub register {	2038	sub register {
1177	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	2040	my $pkg = caller;
1179		2041
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		2043
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	2045	}
1185		2046
1186	# also paths starting with '/'	2047	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		2049
1189	sub thawer_merge {	2050	sub thawer_merge {
1190	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1191		2052
1192	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
1193	local $self->{path};	2054	local $self->{path};
1194	local $self->{load_path};	2055	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		2056
1198	$self->SUPER::thawer_merge ($merge);	2057	$self->SUPER::thawer_merge ($merge);
1199	}	2058	}
1200		2059
1201	sub normalise {	2060	sub normalise {
1202	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1203		2062
1204	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1205		2064
1206	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1207		2066
1208	# map plan:	2067	# map plan:
1209	#	2068	#
…		…
1224	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	2084	$path = "$base/$path";
1226	}	2085	}
1227		2086
1228	for ($path) {	2087	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1232	}	2090	}
1233		2091
1234	$path	2092	$path
…		…
1248	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1249	return $self;	2107	return $self;
1250	}	2108	}
1251	}	2109	}
1252		2110
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	2112	()
1255	}	2113	}
1256		2114
		2115	# may re-bless or do other evil things
1257	sub init {	2116	sub init {
1258	my ($self) = @_;	2117	my ($self) = @_;
1259		2118
1260	$self	2119	$self
1261	}	2120	}
…		…
1273		2132
1274	# the original (read-only) location	2133	# the original (read-only) location
1275	sub load_path {	2134	sub load_path {
1276	my ($self) = @_;	2135	my ($self) = @_;
1277		2136
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2137	"$MAPDIR/$self->{path}.map"
1279	}	2138	}
1280		2139
1281	# the temporary/swap location	2140	# the temporary/swap location
1282	sub save_path {	2141	sub save_path {
1283	my ($self) = @_;	2142	my ($self) = @_;
1284		2143
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2145	"$TMPDIR/$path.map"
1287	}	2146	}
1288		2147
1289	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1290	sub uniq_path {	2149	sub uniq_path {
1291	my ($self) = @_;	2150	my ($self) = @_;
1292		2151
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2153	"$UNIQUEDIR/$path"
1295	}	2154	}
1296		2155
1297	# and all this just because we cannot iterate over	2156	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2157	my ($self) = @_;
1301		2158
1302	$_->change_map_light ($change)	2159	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2160
		2161	$self->do_decay_objects;
1304	}	2162	}
1305		2163
1306	sub unlink_save {	2164	sub unlink_save {
1307	my ($self) = @_;	2165	my ($self) = @_;
1308		2166
1309	utf8::encode (my $save = $self->save_path);	2167	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2168	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2169	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2170	}
1318		2171
1319	sub load_header_from($) {	2172	sub load_header_from($) {
1320	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1321		2174
1322	utf8::encode $path;	2175	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2177	or return;
1328		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1329	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1330		2186
1331	1	2187	1
1332	}	2188	}
1333		2189
		2190	# used to laod the header of an original map
1334	sub load_header_orig {	2191	sub load_header_orig {
1335	my ($self) = @_;	2192	my ($self) = @_;
1336		2193
1337	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1338	}	2195	}
1339		2196
		2197	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2198	sub load_header_temp {
1341	my ($self) = @_;	2199	my ($self) = @_;
1342		2200
1343	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1344	}	2202	}
1345		2203
		2204	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2205	sub prepare_temp {
1347	my ($self) = @_;	2206	my ($self) = @_;
1348		2207
1349	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1351	# safety	2210	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2213	}
1355		2214
		2215	# called after loading the header from an original map
1356	sub prepare_orig {	2216	sub prepare_orig {
1357	my ($self) = @_;	2217	my ($self) = @_;
1358		2218
1359	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2231	$self->load_header_orig
1372	or return;	2232	or return;
1373	$self->prepare_orig;	2233	$self->prepare_orig;
1374	}	2234	}
1375		2235
		2236	$self->{deny_reset} = 1
		2237	if $self->no_reset;
		2238
		2239	$self->default_region (cf::region::find_by_path $self->{path})
		2240	unless $self->default_region;
		2241
1376	1	2242	1
1377	}	2243	}
1378		2244
1379	sub find;	2245	sub find;
1380	sub find {	2246	sub find {
1381	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1382		2248
		2249	cf::cede_to_tick;
		2250
1383	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1384		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2255
1387	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1390	or return;	2258	or return;
1391		2259
1392	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1393		2261
1394	$map->load_header	2262	$map->load_header
1395	or return;	2263	or return;
1396		2264
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1400	$map->reset;	2270	$map->reset;
1401	undef $guard;
1402	return find $path;	2271	return find $path;
1403	}	2272	}
1404		2273
1405	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1406	}	2275	}
1407	}	2276	}
1408		2277
1409	sub pre_load { }	2278	sub pre_load { }
1410	sub post_load { }	2279	#sub post_load { } # XS
1411		2280
1412	sub load {	2281	sub load {
1413	my ($self) = @_;	2282	my ($self) = @_;
1414		2283
1415	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1416		2285
1417	my $path = $self->{path};	2286	my $path = $self->{path};
		2287
		2288	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1419		2290
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2291	return unless $self->valid;
		2292	return unless $self->state == cf::MAP_SWAPPED;
1421		2293
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2294	$self->alloc;
1425		2295
1426	$self->pre_load;	2296	$self->pre_load;
		2297	cf::cede_to_tick;
1427		2298
1428	$self->_load_objects ($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)
1429	or return;	2303	or return;
1430		2304
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1432	if delete $self->{load_original};	2306	if delete $self->{load_original};
1433		2307
1434	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2309	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2312	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1439	}	2317	}
1440	}
1441		2318
1442	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
1443		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1444	# now do the right thing for maps	2328	# now do the right thing for maps
1445	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2331	unless $self->difficulty;
1455	Coro::cede;	2332	cf::cede_to_tick;
1456	$self->activate;	2333
		2334	unless ($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);
1457	}	2344	}
1458		2345
1459	$self->post_load;	2346	$self->post_load;
1460		2347
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2348	1
1462	}	2349	}
1463		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2354	sub customise_for {
1465	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1466		2356
1467	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2358	if $self->per_player;
1469		2359
		2360	# return find "?party/" . $ob->name . "/" . $self->{path}
		2361	# if $self->per_party;
		2362
1470	$self	2363	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($map) = @_;
1476
1477	my @diag; # diagonal neighbours
1478
1479	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)
1481	or next;
1482	$neigh = find $neigh, $map
1483	or next;
1484	$neigh->load;
1485
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}
1489
1490	for (@diag) {
1491	my $neigh = find @$_
1492	or next;
1493	$neigh->load;
1494	}
1495	}	2364	}
1496		2365
1497	sub find_sync {	2366	sub find_sync {
1498	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1499		2368
1500	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, $origin
1501	}	2374	}
1502		2375
1503	sub do_load_sync {	2376	sub do_load_sync {
1504	my ($map) = @_;	2377	my ($map) = @_;
1505		2378
1506	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;
1507	}	2384	}
1508		2385
1509	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1511		2388
1512	sub find_async {	2389	sub find_async {
1513	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1514		2391
1515	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1516		2393
1517	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1519	}	2396	}
1520		2397
1521	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1522	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1523	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1525	my $map = find $path	2405	if (my $map = find $k) {
1526	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1527	$map->load;	2407	}
1528		2408
1529	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1530	}	2410	}
1531	}	2411	}
1532	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1533	};	2413	};
1534	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1535		2415
1536	()	2416	()
1537	}	2417	}
1538		2418
		2419	# common code, used by both ->save and ->swapout
1539	sub save {	2420	sub _save {
1540	my ($self) = @_;	2421	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2422
1544	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1545		2424
1546	return unless $self->dirty;	2425	return unless $self->dirty;
1547		2426
…		…
1553	return if $self->{deny_save};	2432	return if $self->{deny_save};
1554		2433
1555	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1556		2435
1557	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1559	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1560		2442
1561	if ($uniq) {	2443	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2446	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2448	}
1567	}	2449	}
1568		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1569	sub swap_out {	2459	sub swap_out {
1570	my ($self) = @_;	2460	my ($self) = @_;
1571		2461
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1577	return if $self->players;	2466	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		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
1581	$self->clear;	2477	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2478	}
1584		2479
1585	sub reset_at {	2480	sub reset_at {
1586	my ($self) = @_;	2481	my ($self) = @_;
1587		2482
1588	# TODO: safety, remove and allow resettable per-player maps	2483	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2484	return 1e99 if $self->{deny_reset};
1591		2485
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2488
…		…
1605	my ($self) = @_;	2499	my ($self) = @_;
1606		2500
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2502
1609	return if $self->players;	2503	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2504
1612	warn "resetting map ", $self->path;#d#	2505	cf::trace "resetting map ", $self->path, "\n";
1613		2506
1614	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1615		2508
1616	# need to save uniques path	2509	# need to save uniques path
1617	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2512
…		…
1621	if $uniq;	2514	if $uniq;
1622	}	2515	}
1623		2516
1624	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1625		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2521	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2522
1630	$self->unlink_save;	2523	$self->unlink_save;
1631	$self->destroy;	2524	$self->destroy;
1632	}	2525	}
1633		2526
1634	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1635		2528
1636	sub nuke {	2529	sub nuke {
1637	my ($self) = @_;	2530	my ($self) = @_;
1638		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1639	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1640		2536
1641	$self->unlink_save;	2537	$self->unlink_save;
1642		2538
1643	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2544
1649	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1650		2547
1651	$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	]
1652	}	2585	}
1653		2586
1654	=item cf::map::unique_maps	2587	=item cf::map::unique_maps
1655		2588
1656	Returns an arrayref of paths of all shared maps that have	2589	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2590	instantiated unique items. May block.
1658		2591
1659	=cut	2592	=cut
1660		2593
1661	sub unique_maps() {	2594	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2595	[
1663	or return;	2596	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2597	utf8::decode $_;
1669	next if /\.pst$/;	2598	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2600	? ()
1672	push @paths, cf::map::normalise $_;	2601	: normalise $_
		2602	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2603	]
1674
1675	\@paths
1676	}	2604	}
1677		2605
1678	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	}
1679		2637
1680	=back	2638	=back
1681		2639
1682	=head3 cf::object	2640	=head3 cf::object
1683		2641
…		…
1687		2645
1688	=over 4	2646	=over 4
1689		2647
1690	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
1691		2649
1692	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.
1693		2652
1694	=cut	2653	=cut
1695		2654
1696	sub inv_recursive_;	2655	sub inv_recursive_;
1697	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
1700		2659
1701	sub inv_recursive {	2660	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
1703	}	2662	}
1704		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
1705	package cf;	2692	package cf;
1706		2693
1707	=back	2694	=back
1708		2695
1709	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
1718		2705
1719	=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	};
1720		2721
1721	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2723	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
1726		2727
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2728	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2729
1729	if ($self->{record_replies}) {	2730	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2731	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2732
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2743	}
1734	}	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 (@_);
1735	}	2755	}
1736		2756
1737	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
1738		2758
1739	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
1740	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
1741		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
1742	=cut	2787	=cut
1743		2788
1744	sub cf::object::player::may {	2789	sub cf::object::player::may {
1745	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
1746		2791
1747	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
1748	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
1749	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1750	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
1751	}	2796	}
1752		2797
1753	=item $player_object->enter_link	2798	=item $player_object->enter_link
1754		2799
1755	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}>).
1756		2801
1757	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.
1758	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.
1759		2806
1760	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.
1761		2814
1762	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
1763		2816
1764	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
1765	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
1783	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2837	my ($self) = @_;
1785		2838
1786	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
1787		2840
		2841	++$self->{_link_recursion};
		2842
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2844
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2846	if $self->map && $self->map->{path} ne "{link}";
1792		2847
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2849	}
1795		2850
1796	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
		2853
		2854	return unless $self->contr->active;
1798		2855
1799	my $link_pos = delete $self->{_link_pos};	2856	my $link_pos = delete $self->{_link_pos};
1800		2857
1801	unless ($map) {	2858	unless ($map) {
1802	# restore original map position	2859	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
1815		2872
1816	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
1819		2876
1820	$map->load;	2877	$map->load;
1821	$map->load_diag;
1822		2878
1823	return unless $self->contr->active;	2879	return unless $self->contr->active;
		2880
		2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2882	if ($self->enter_map ($map, $x, $y)) {
		2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2886	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2887	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2888
1842	# try to abort aborted map switching on player login :)	2889	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2890
1860	=item $player_object->goto ($path, $x, $y)	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2902	=cut
		2903
		2904	our $GOTOGEN;
1863		2905
1864	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
1865	my ($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;
1866		2917
1867	$self->enter_link;	2918	$self->enter_link;
1868		2919
1869	(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
1870	my $map = eval {	2942	my $map = eval {
1871	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2944
		2945	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2958	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2959
		2960	if ($gen == $self->{_goto_generation}) {
		2961	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
		2963	}
		2964
		2965	$done->($self) if $done;
1878	})->prio (1);	2966	})->prio (1);
1879	}	2967	}
1880		2968
1881	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
1882		2970
…		…
1902	}	2990	}
1903		2991
1904	sub prepare_random_map {	2992	sub prepare_random_map {
1905	my ($exit) = @_;	2993	my ($exit) = @_;
1906		2994
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2997	# that depends on the exit object
1912		2998
1913	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	3001	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
1920	}	3008	}
1921		3009
1922	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
1923		3011
1924	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
1927		3015
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	3018	undef $fh;
1931	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
1932		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
1935	}	3027	}
1936	}	3028	}
1937		3029
1938	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
1940		3032
1941	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
1942		3034
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	3035	$self->enter_link;
1953		3036
1954	(async {	3037	(async {
1955	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
1956	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
1957	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
1958		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
1959	1;	3076	1
1960	}) {	3077	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
1965		3082
1966	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	3084	$self->leave_link;
1968	}	3085	}
1969	})->prio (1);	3086	})->prio (1);
1970	}	3087	}
1971		3088
1972	=head3 cf::client	3089	=head3 cf::client
1973		3090
1974	=over 4	3091	=over 4
1975		3092
1976	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
1977		3094
1978	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
1979	should not be used under normal circumstances.	3096	them as required.
1980		3097
1981	=cut	3098	=cut
1982		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 possess 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" => $CHAT_CHANNEL,
		3245	);
		3246
1983	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
		3248	my ($self, $channel, $msg, $color, @extra) = @_;
		3249
		3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
		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
		3286	=item $client->ext_msg ($type, @msg)
		3287
		3288	Sends an ext event to the client.
		3289
		3290	=cut
		3291
		3292	sub cf::client::ext_msg($$@) {
1984	my ($self, $text, $flags) = @_;	3293	my ($self, $type, @msg) = @_;
1985		3294
1986	utf8::encode $text;	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
1988	}	3296	}
1989
1990		3297
1991	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
1992		3299
1993	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3303
1997	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
1998	reliable at some point in the future.	3305	become reliable at some point in the future.
1999		3306
2000	=cut	3307	=cut
2001		3308
2002	sub cf::client::query {	3309	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3318	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3320
2014	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2015	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;
2016	}	3364	}
2017		3365
2018	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	},
2019	on_reply => sub {	3372	on_reply => sub {
2020	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2021		3374
2022	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2023	# get handled first	3376	# get handled first
…		…
2035	} else {	3388	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3390	}
2038	}	3391	}
2039	},	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	},
2040	);	3426	);
2041		3427
2042	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2043		3429
2044	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3446
2061	$coro	3447	$coro
2062	}	3448	}
2063		3449
2064	cf::client->attach (	3450	cf::client->attach (
2065	on_destroy => sub {	3451	on_client_destroy => sub {
2066	my ($ns) = @_;	3452	my ($ns) = @_;
2067		3453
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3455	},
2070	);	3456	);
…		…
2085	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2087		3473
2088	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2089		3475
2090	$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	));
2091		3481
2092	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2093		3483
2094	=pod	3484	=pod
2095		3485
2096	The following fucntions and emthods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2097		3487
2098	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
2099	cf::object::player player	3493	cf::object::player
2100	cf::player peaceful	3494	player
2101	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2102		3501
2103	=cut	3502	=cut
2104		3503
2105	for (	3504	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2110	) {	3511	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3514	for @funs;
2115	}	3515	}
2116		3516
…		…
2131		3531
2132	my $qcode = $code;	3532	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2135		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2136	local $_;	3539	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3540
2139	my $eval =	3541	my $eval =
2140	"do {\n"	3542	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3545	. $code
2144	. "\n}"	3546	. "\n}"
2145	;	3547	;
2146		3548
		3549	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	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	}
2150		3558
2151	if ($@) {	3559	if ($@) {
2152	warn "$@";	3560	warn "$@",
2153	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2155	}	3563	}
2156		3564
2157	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2158	}	3566	}
2159		3567
…		…
2173	=cut	3581	=cut
2174		3582
2175	sub register_script_function {	3583	sub register_script_function {
2176	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2177		3585
2178	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2180	}	3588	}
2181		3589
2182	=back	3590	=back
2183		3591
2184	=cut	3592	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3593
2258	#############################################################################	3594	#############################################################################
2259	# the server's init and main functions	3595	# the server's init and main functions
2260		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
		3674	sub load_facedata($) {
		3675	my ($path) = @_;
		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
		3679	trace "loading facedata from $path\n";
		3680
		3681	my $facedata = decode_storable load_file "$path/faceinfo";
		3682
		3683	$facedata->{version} == 2
		3684	or cf::cleanup "$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;
		3694
		3695	{
		3696	my $faces = $facedata->{faceinfo};
		3697
		3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
		3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
		3702	cf::face::set_visibility $idx, $info->{visibility};
		3703	cf::face::set_magicmap $idx, $info->{magicmap};
		3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		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];
		3709	}
		3710
		3711	while (my ($face, $info) = each %$faces) {
		3712	next unless $info->{smooth};
		3713
		3714	my $idx = cf::face::find $face
		3715	or next;
		3716
		3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
		3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3720	} else {
		3721	error "smooth face '$info->{smooth}' not found for face '$face'";
		3722	}
		3723	}
		3724	}
		3725
		3726	{
		3727	my $anims = $facedata->{animinfo};
		3728
		3729	while (my ($anim, $info) = each %$anims) {
		3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3731	}
		3732
		3733	cf::anim::invalidate_all; # d'oh
		3734	}
		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 $fh; # close old facedata
		3769
		3770	1
		3771	}
		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
2261	sub load_resources {	3781	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3811	or die "unable to load regions file\n";
2264	}
2265		3812
2266	sub cfg_load {	3813	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3814	$_->{match} = qr/$_->{match}/
2268	or return;	3815	if exists $_->{match};
		3816	}
		3817	}
2269		3818
2270	local $/;	3819	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3820	load_facedata $DATADIR
		3821	or die "unable to load facedata\n";
		3822	}
2272		3823
		3824	sub reload_archetypes {
		3825	load_resource_file "$DATADIR/archetypes"
		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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
		3853	}
		3854
		3855	sub reload_treasures {
		3856	load_resource_file "$DATADIR/treasures"
		3857	or die "unable to load treasurelists\n";
		3858	}
		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
		3880	sub reload_resources {
		3881	trace "reloading resource files...\n";
		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
		3888	reload_regions;
		3889	reload_treasures;
		3890
		3891	trace "finished reloading resource files\n";
		3892	}
		3893
		3894	sub reload_config {
		3895	trace "reloading config file...\n";
		3896
		3897	my $config = load_file "$CONFDIR/config";
		3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
		3900
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3902
2275	$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};
2276	$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};
2277		3905
2278	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2282	};	3910	};
2283	warn $@ if $@;	3911	warn $@ if $@;
2284	}	3912	}
2285	}	3913	}
2286		3914
2287	sub init {	3915	sub pidfile() {
2288	load_resources;	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;
2289	}	3941	}
2290		3942
2291	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
2292	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2294	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#
2295	(async {	3956	(async {
2296	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2297	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2298	};	3960	};
2299		3961
2300	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2301	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
2302	load_extensions;	3986	load_extensions;
2303		3987
2304	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2305	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;
2306	}	4005	}
2307		4006
2308	#############################################################################	4007	#############################################################################
2309	# initialisation and cleanup	4008	# initialisation and cleanup
2310		4009
2311	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2312	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2321	},
2322	);	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
2323	}	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 };
2324	}	4106	}
2325		4107
2326	sub emergency_save() {	4108	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2328		4110
2329	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;
2330		4117
2331	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2332	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	4129	$pl->save;
2340	}	4130	}
2341	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2342		4132
2343	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";
2344	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	4138	$map->valid or next;
2347	$map->save;	4139	$map->save;
2348	}	4140	}
2349	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2350		4142
2351	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";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2353	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 $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2354	};	4171	};
2355		4172
2356	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2357	}	4174	}
2358		4175
		4176	sub post_cleanup {
		4177	my ($make_core) = @_;
		4178
		4179	IO::AIO::flush;
		4180
		4181	error Carp::longmess "post_cleanup backtrace"
		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	}
		4211	}
		4212
2359	sub reload() {	4213	sub do_reload_perl() {
2360	# can/must only be called in main	4214	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2362	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2363	return;	4217	return;
2364	}	4218	}
2365		4219
2366	warn "reloading...";	4220	return if $RELOAD++;
2367		4221
2368	warn "cancelling server ticker";	4222	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		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
		4230	cf::sync_job {
2371	cf::emergency_save;	4231	#cf::emergency_save;
2372		4232
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";
2391	}
2392
2393	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	4235	%EXT_CORO = ();
2396		4236
2397	warn "removing commands";	4237	trace "perl_reload: removing commands";
2398	%COMMAND = ();	4238	%COMMAND = ();
2399		4239
2400	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2401	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2402		4243
2403	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2406		4247
2407	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2408	eval {	4249	eval {
2409	$cb->($pkg);	4250	$cb->($pkg);
2410	1	4251	1
2411	} 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;
2412	}	4257	}
2413		4258
2414	warn "... nuking $pkg";
2415	Symbol::delete_package $pkg;
2416	}
2417
2418	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2419	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		4262
2422	warn "... unloading $k";	4263	trace "... unloading $k";
2423	delete $INC{$k};	4264	delete $INC{$k};
2424		4265
2425	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2427		4268
2428	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2429	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2430	}	4274	}
2431		4275
2432	Symbol::delete_package $k;
2433	}
2434
2435	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2437	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);
2438		4279
2439	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
		4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		4283
2442	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2443	# and global variables created in xs	4285	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2445		4287
2446	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2447		4289
2448	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2449	require cf;	4291	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2451		4293
2452	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2453	cf::cfg_load;	4295	cf::reload_config;
2454		4296
2455	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4298	cf::load_extensions;
2457		4299
		4300	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4302	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
		4305	trace "perl_reload: reattaching attachments to players";
		4306	reattach $_ for values %PLAYER;
		4307	}
2462		4308
2463	warn "loading reloadable resources";	4309	cf::_post_init 1;
2464	load_resources;
2465		4310
2466	warn "restarting server ticker";	4311	trace "perl_reload: leaving sync_job";
2467		4312
2468	$TICK_WATCHER->start;	4313	1
		4314	} or do {
		4315	error $@;
		4316	cf::cleanup "perl_reload: error, exiting.";
		4317	};
		4318
		4319	--$RELOAD;
		4320	}
		4321
		4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
		4324	};
		4325
		4326	our $RELOAD_WATCHER; # used only during reload
		4327
		4328	sub reload_perl() {
		4329	# doing reload synchronously and two reloads happen back-to-back,
		4330	# coro crashes during coro_state_free->destroy here.
		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
		4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4336	do_reload_perl;
		4337	undef $RELOAD_WATCHER;
		4338	};
2469	};	4339	};
2470		4340	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4341
2482	register_command "reload" => sub {	4342	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2484		4344
2485	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
2487		4347	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4348	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4349	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4350	};
2500	}	4351	}
2501	};	4352	};
2502		4353
2503	unshift @INC, $LIBDIR;	4354	#############################################################################
2504		4355
2505	my $bug_warning = 0;	4356	my $bug_warning = 0;
2506		4357
2507	$TICK_WATCHER = Event->timer (	4358	sub wait_for_tick() {
2508	reentrant => 0,	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2509	parked => 1,	4360
2510	prio => 0,	4361	$WAIT_FOR_TICK->wait;
2511	at => $NEXT_TICK || $TICK,	4362	}
2512	data => WF_AUTOCANCEL,	4363
2513	cb => sub {	4364	sub wait_for_tick_begin() {
		4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4366
		4367	my $signal = new Coro::Signal;
		4368	push @WAIT_FOR_TICK_BEGIN, $signal;
		4369	$signal->wait;
		4370	}
		4371
		4372	sub tick {
2514	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2515	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"
2516	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2517	return;	4376	return;
		4377	}
		4378
		4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4382
		4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4385	Coro::async_pool {
		4386	$Coro::current->{desc} = "runtime saver";
		4387	write_runtime_sync
		4388	or error "ERROR: unable to write runtime file: $!";
2518	}	4389	};
		4390	}
2519		4391
2520	$NOW = Event::time;	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2521		4393	$sig->send;
2522	cf::server_tick; # one server iteration	4394	}
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525
2526	$WAIT_FOR_TICK->broadcast;	4395	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4396
2529	Event::sweep;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	Coro::cede_notself;	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#
2531		4405	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4406	}
2541	);	4407	}
2542		4408
2543	{	4409	{
2544	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
2546	reentrant => 0,	4412
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
2554		4414	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		4416
2570	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
2571	$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);
2572		4424
2573	cf::sync_job {	4425	cf::sync_job {
2574	eval {	4426	eval {
2575	BDB::db_env_open	4427	BDB::db_env_open
2576	$DB_ENV,	4428	$DB_ENV,
2577	$BDB_ENV_DIR,	4429	$BDBDIR,
2578	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
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	4432	0666;
2581		4433
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	4435	};
2587		4436
2588	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	4438	};
2590	}	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";
2591	}	4452	}
2592		4453
2593	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
2594	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,	4461	info "aio initialised";
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	4462	}
2607		4463
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	4464	our $_log_backtrace;
2609	reentrant => 0,	4465	our $_log_backtrace_last;
2610	data => WF_AUTOCANCEL,	4466
2611	after => 1,	4467	sub _log_backtrace {
2612	interval => 10,	4468	my ($msg, @addr) = @_;
2613	prio => 6, # keep it lowest so it acts like a watchdog	4469
2614	cb => Coro::unblock_sub {	4470	$msg =~ s/\n$//;
2615	write_runtime	4471
2616	or warn "ERROR: unable to write runtime file: $!";	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] $msg\n";
		4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2617	},	4508	}
2618	);	4509	}
		4510
		4511	# load additional modules
		4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
2619		4514
2620	END { cf::emergency_save }	4515	END { cf::emergency_save }
2621		4516
2622	1	4517	1
2623		4518

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