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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 1.593 by root, Fri Nov 9 01:59:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		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 ();
		62	use IO::AIO ();
26	use Time::HiRes;	63	use Time::HiRes;
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 %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
47		95
		96	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	97	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
50		100
51	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	102
53	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
54	our $WRITE_RUNTIME_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
		108	our $LOCALDIR = localdir;
		109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		112	our $RANDOMDIR = "$LOCALDIR/random";
		113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
		124
		125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
56	our $NOW;	143	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		144
59	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	146	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	147	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		148
76	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		151
		152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
		155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
79	binmode STDOUT;	165	binmode STDOUT;
80	binmode STDERR;	166	binmode STDERR;
81		167
82	# read virtual server time, if available	168	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
87	}	173	}
88		174
89	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	176
91	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		179
96	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
97		181
98	sub cf::map::normalise;	182	sub cf::map::normalise;
99		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
100	#############################################################################	188	#############################################################################
101		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
102	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
103		202
104	=over 4	203	=over 4
105		204
106	=item $cf::UPTIME	205	=item $cf::UPTIME
107		206
108	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
109		223
110	=item $cf::RUNTIME	224	=item $cf::RUNTIME
111		225
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	227	every server tick.
114		228
115	=item $cf::LIBDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		232
117	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		235	unique-items directory, player file directory, random maps directory and
		236	database environment.
119		237
		238	=item $cf::LOADAVG
		239
		240	The current CPU load on the server (alpha-smoothed), as a value between 0
		241	(none) and 1 (overloaded), indicating how much time is spent on processing
		242	objects per tick. Healthy values are < 0.5.
		243
120	=item $cf::NOW	244	=item $cf::LOAD
121		245
122	The time of the last (current) server tick.	246	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		247
128	=item %cf::CFG	248	=item %cf::CFG
129		249
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	251	from wherever your confdir points to.
132		252
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		254
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
139		287
140	=back	288	=back
141		289
142	=cut	290	=cut
143		291
144	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	299	my $msg = join "", @_;
147	utf8::encode $msg;
148		300
149	$msg .= "\n"	301	$msg .= "\n"
150	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
151		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
152	LOG llevError, $msg;	306	LOG llevWarn, $msg;
153	};	307	};
154	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
155		322
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		330
163	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	332	# within the Safe compartment.
165	for my $pkg (qw(	333	for my $pkg (qw(
166	cf::global cf::attachable	334	cf::global cf::attachable
167	cf::object cf::object::player	335	cf::object cf::object::player
168	cf::client cf::player	336	cf::client cf::player
169	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
170	cf::map cf::party cf::region	339	cf::party cf::region
171	)) {	340	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	342	}
175		343
176	$Event::DIED = sub {	344	$EV::DIED = sub {
177	warn "error in event callback: @_";	345	warn "error in event callback: $@";
178	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
179		354
180	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
181		356
182	=over 4	357	=over 4
183		358
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	378	$d
204	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
205	}	380	}
206		381
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
208		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
209	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
210		435
211	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
212		437
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
221		439
222	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
223		441
224	=cut	442	=cut
225		443
226	sub to_json($) {	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	445
228	JSON::Syck::Dump $_[0]	446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
229	}	509	}
230		510
231	=item cf::lock_wait $string	511	=item cf::lock_wait $string
232		512
233	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
234		514
235	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
236		516
237	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
240	returned.	520	returned.
241		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
242	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
244		527
245	=cut	528	=item $locked = cf::lock_active $string
246		529
247	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
248		535
249	sub lock_wait($) {	536	sub lock_wait($) {
250	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	538	}
258		539
259	sub lock_acquire($) {	540	sub lock_acquire($) {
260	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
261		543
262	# wait, to be sure we are not locked	544	sub lock_active($) {
263	lock_wait $key;	545	$LOCKS->count ($_[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	}	546	}
272		547
273	sub freeze_mainloop {	548	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
275		550
276	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	552	}
278	$WRITE_RUNTIME_WATCHER->start;	553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
279	};	621	}
280	$WRITE_RUNTIME_WATCHER->stop;	622	};
281	$TICK_WATCHER->stop;	623
282	$guard	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
283	}	637	}
284		638
285	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
286		640
287	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		646
293	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
294		648
295	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
296		650
297	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
300		655
301	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
304	fast or be very important.	659	fast or be very important.
…		…
306	=cut	661	=cut
307		662
308	sub sync_job(&) {	663	sub sync_job(&) {
309	my ($job) = @_;	664	my ($job) = @_;
310		665
311	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
312	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
314		671
315	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	673
317	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
318		675
319	my $busy = 1;	676	my $busy = 1;
320	my @res;	677	my @res;
321		678
322	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	681	@res = eval { $job->() };
324	warn $@ if $@;	682	error $@ if $@;
325	undef $busy;	683	undef $busy;
326	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
327		685
328	while ($busy) {	686	while ($busy) {
329	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
330	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
331		697
332	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
333	} else {	699	} else {
334	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
335		701
…		…
355	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
356		722
357	$coro	723	$coro
358	}	724	}
359		725
360	sub write_runtime {	726	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		727
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	Executes the given code block with the given arguments in a seperate
364	or return;	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
365		732
366	my $value = $cf::RUNTIME + 90 + 10;	733	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		734
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub post_fork {
371	and return;	736	reset_signals;
		737	}
372		738
373	# always fsync - this file is important	739	sub fork_call(&@) {
374	aio_fsync $fh	740	my ($cb, @args) = @_;
375	and return;
376		741
377	close $fh	742	# we seemingly have to make a local copy of the whole thing,
378	or return;	743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
379		745
380	aio_rename "$runtime~", $runtime	746	my @res = Coro::Util::fork_eval {
381	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
382		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
383	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
		918	}
		919
		920	=item cf::datalog type => key => value, ...
		921
		922	Log a datalog packet of the given type with the given key-value pairs.
		923
		924	=cut
		925
		926	sub datalog($@) {
		927	my ($type, %kv) = @_;
		928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	929	}
385		930
386	=back	931	=back
387		932
388	=cut	933	=cut
389		934
390	#############################################################################	935	#############################################################################
391		936
392	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
393		938
394	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
397		942
398	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	945	Deliantra).
401		946
402	=over 4	947	=over 4
403		948
404	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
405		950
…		…
449	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
450		995
451	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
453		998
454	Some classes such as crossfire maps and objects can specify attachments	999	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.	1000	that are attached at load/instantiate time, thus the need for a name.
456		1001
457	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
458		1003
459	=over 4	1004	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
569		1114
570	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1119
575	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
577		1122
578	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
583		1128
584	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1131
587	} elsif (ref $type) {	1132	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
589		1134
590	} else {	1135	} else {
591	shift @arg;	1136	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
593	}	1138	}
594	}	1139	}
595	}	1140	}
596		1141
597	sub _object_attach {	1142	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
608	}	1153	}
609		1154
610	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
611	} else {	1156	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1158	}
614		1159
615	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
616	}	1161	}
617		1162
…		…
619	if (ref $_[0]) {	1164	if (ref $_[0]) {
620	_object_attach @_;	1165	_object_attach @_;
621	} else {	1166	} else {
622	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
623	}	1168	}
		1169	_recalc_want;
624	};	1170	};
625		1171
626	# all those should be optimised	1172	# all those should be optimised
627	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1178	reattach ($obj);
633	} else {	1179	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
635	}	1181	}
		1182	_recalc_want;
636	};	1183	};
637		1184
638	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
640		1187
…		…
655	";	1202	";
656	die if $@;	1203	die if $@;
657	}	1204	}
658		1205
659	our $override;	1206	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1208
662	sub override {	1209	sub override {
663	$override = 1;	1210	$override = 1;
664	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
665	}	1212	}
666		1213
667	sub do_invoke {	1214	sub do_invoke {
668	my $event = shift;	1215	my $event = shift;
669	my $callbacks = shift;	1216	my $callbacks = shift;
670		1217
671	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
672		1219
673	local $override;	1220	local $override;
674		1221
675	for (@$callbacks) {	1222	for (@$callbacks) {
676	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
677		1224
678	if ($@) {	1225	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1227	override;
682	}	1228	}
683		1229
684	return 1 if $override;	1230	return 1 if $override;
685	}	1231	}
686		1232
687	0	1233	0
688	}	1234	}
689		1235
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1237
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1239
694	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
695		1241
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1245
700	=back	1246	=back
701		1247
702	=cut	1248	=cut
703		1249
704	#############################################################################	1250	#############################################################################
705	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
706		1294
707	sub reattach {	1295	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1297	my ($obj) = @_;
710		1298
		1299	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1301
713	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
714		1303
715	@$registry = ();	1304	@$registry = ();
716		1305
…		…
721	for (@$attach) {	1310	for (@$attach) {
722	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
724	}	1313	}
725	} else {	1314	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1316	}
728	}	1317	}
729	}	1318	}
730		1319
731	cf::attachable->attach (	1320	cf::attachable->attach (
732	prio => -1000000,	1321	prio => -1000000,
733	on_instantiate => sub {	1322	on_instantiate => sub {
734	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
735		1324
736	$data = from_json $data;	1325	$data = decode_json $data;
737		1326
738	for (@$data) {	1327	for (@$data) {
739	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
740		1329
741	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1346	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
759		1348
760	sync_job {	1349	sync_job {
761	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
764		1355
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
769	close $fh;	1363	aio_close $fh;
770		1364
771	if (@$objs) {	1365	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
777	close $fh;	1374	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
779	}	1376	}
780	} else {	1377	} else {
781	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
782	}	1379	}
783		1380
784	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1385	} else {
786	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
787	}	1387	}
788	} else {	1388	} else {
789	aio_unlink $filename;	1389	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
791	}	1391	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1392	};
799	}	1393	}
800		1394
801	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
803		1397
…		…
808		1402
809	sub object_thawer_load {	1403	sub object_thawer_load {
810	my ($filename) = @_;	1404	my ($filename) = @_;
811		1405
812	my ($data, $av);	1406	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1407
817	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
818	or return;	1409	or return;
819		1410
820	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
822	or return;	1413	or return;
		1414
823	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
824	}	1417	}
825		1418
		1419	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
828	return ($data, $av);	1424	($data, $av)
829	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
830		1432
831	#############################################################################	1433	#############################################################################
832	# command handling &c	1434	# command handling &c
833		1435
834	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
835		1437
836	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
837	$name.	1439	$name.
838		1440
839	=cut	1441	=cut
…		…
845	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
846		1448
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1450	}
849		1451
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
851		1453
852	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
853		1459
854	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
855	called.	1461	called.
856		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
857	=cut	1474	=cut
858		1475
859	sub register_extcmd {	1476	sub register_extcmd {
860	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
861		1478
862	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
863	}	1480	}
864		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
865	cf::player->attach (	1490	cf::player->attach (
866	on_command => sub {	1491	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
868		1493
869	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
870	or return;	1495	or return;
871		1496
…		…
876	cf::override;	1501	cf::override;
877	},	1502	},
878	on_extcmd => sub {	1503	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
880		1505
881	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1507
883	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
889	} else {	1520	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1522	}
892		1523
893	cf::override;	1524	cf::override;
894	},	1525	},
895	);	1526	);
896		1527
		1528	# "readahead" all extensions
897	sub load_extension {	1529	sub cache_extensions {
898	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
899		1531
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1534	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	}	1535	}
925	die $@;
926	}	1536	};
927		1537
928	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
929	}	1550	}
930		1551
931	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
932	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1561	next unless -r $path;
934	eval {	1562
935	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
936	1	1635	}
937	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
938	}	1648	};
939	}	1649	}
940		1650
941	#############################################################################	1651	#############################################################################
942		1652
		1653	=back
		1654
943	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
944		1656
945	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
946		1658
947	=cut	1659	=cut
948		1660
949	package cf::player;	1661	package cf::player;
950		1662
…		…
952		1664
953	=head3 cf::player	1665	=head3 cf::player
954		1666
955	=over 4	1667	=over 4
956		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
		1682
957	=item cf::player::find $login	1683	=item cf::player::find $login
958		1684
959	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
960		1686
961	=cut	1687	=cut
962		1688
963	sub playerdir($) {	1689	sub playerdir($) {
964	cf::localdir	1690	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1692	}
970		1693
971	sub path($) {	1694	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1696
974	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
975	}	1698	}
976		1699
977	sub find_active($) {	1700	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
982		1705
983	sub exists($) {	1706	sub exists($) {
984	my ($login) = @_;	1707	my ($login) = @_;
985		1708
986	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
988	}	1711	}
989		1712
990	sub find($) {	1713	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1715	my $login = $_[0];
993		1716
994	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
995		1718
996	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1720	# rename old playerfiles to new ones
		1721	#TODO: remove when no longer required
		1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1725	aio_unlink +(playerdir $login) . "/$login.pl";
		1726
		1727	my $f = new_from_file cf::object::thawer path $login
998	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1000	}	1736	}
1001	}	1737	}
1002	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1003		1752
1004	sub save($) {	1753	sub save($) {
1005	my ($pl) = @_;	1754	my ($pl) = @_;
1006		1755
1007	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1013		1762
1014	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1016		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1017	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1018	Coro::cede;	1772	cf::cede_to_tick;
1019	}	1773	}
1020		1774
1021	sub new($) {	1775	sub new($) {
1022	my ($login) = @_;	1776	my ($login) = @_;
1023		1777
…		…
1029	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1030		1784
1031	$self	1785	$self
1032	}	1786	}
1033		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1034	=item $pl->quit_character	1798	=item $pl->quit_character
1035		1799
1036	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1038		1802
1039	=cut	1803	=cut
1040		1804
1041	sub quit_character {	1805	sub quit_character {
1042	my ($pl) = @_;	1806	my ($pl) = @_;
1043		1807
		1808	my $name = $pl->ob->name;
		1809
1044	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1812
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1050	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1051		1821
1052	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1825	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1826	$pl->destroy;
		1827
		1828	my $prefix = qr<^~\Q$name\E/>;
		1829
		1830	# nuke player maps
		1831	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1832
1057	IO::AIO::aio_rmtree $temp;	1833	IO::AIO::aio_rmtree $temp;
		1834	}
		1835
		1836	=item $pl->kick
		1837
		1838	Kicks a player out of the game. This destroys the connection.
		1839
		1840	=cut
		1841
		1842	sub kick {
		1843	my ($pl, $kicker) = @_;
		1844
		1845	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1846	$pl->killer ("kicked");
		1847	$pl->ns->destroy;
1058	}	1848	}
1059		1849
1060	=item cf::player::list_logins	1850	=item cf::player::list_logins
1061		1851
1062	Returns am arrayref of all valid playernames in the system, can take a	1852	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1064		1854
1065	=cut	1855	=cut
1066		1856
1067	sub list_logins {	1857	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1859	or return [];
1070		1860
1071	my @logins;	1861	my @logins;
1072		1862
1073	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1077		1873
1078	utf8::decode $login;	1874	utf8::decode $login;
1079	push @logins, $login;	1875	push @logins, $login;
1080	}	1876	}
1081		1877
1082	\@logins	1878	\@logins
1083	}	1879	}
1084		1880
1085	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1086		1884
1087	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1088	player. May block.	1886	player. May block.
1089		1887
1090	=cut	1888	=cut
…		…
1108	}	1906	}
1109		1907
1110	\@paths	1908	\@paths
1111	}	1909	}
1112		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1915	=item $player->ext_msg ($type, @msg)
1114		1916
1115	Sends an ext reply to the player.	1917	Sends an ext event to the client.
1116		1918
1117	=cut	1919	=cut
1118		1920
1119	sub ext_reply($$$%) {	1921	sub ext_msg($$@) {
1120	my ($self, $id, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1121		1923
1122	$msg{msgid} = $id;	1924	$self->ns->ext_msg ($type, @msg);
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1925	}
1126		1926
1127	package cf;	1927	=head3 cf::region
		1928
		1929	=over 4
		1930
		1931	=cut
		1932
		1933	package cf::region;
		1934
		1935	=item cf::region::find_by_path $path
		1936
		1937	Tries to decuce the likely region for a map knowing only its path.
		1938
		1939	=cut
		1940
		1941	sub find_by_path($) {
		1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
		1946	my ($match, $specificity);
		1947
		1948	for my $region (list) {
		1949	if ($region->{match} && $path =~ $region->{match}) {
		1950	($match, $specificity) = ($region, $region->specificity)
		1951	if $region->specificity > $specificity;
		1952	}
		1953	}
		1954
		1955	$match
		1956	}
1128		1957
1129	=back	1958	=back
1130
1131		1959
1132	=head3 cf::map	1960	=head3 cf::map
1133		1961
1134	=over 4	1962	=over 4
1135		1963
…		…
1147	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1149		1977
1150	sub generate_random_map {	1978	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1153	$self->_create_random_map (	1983	$self->_create_random_map ($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}), $rmp->{custom}
1165	)
1166	}	1984	}
1167		1985
1168	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1169		1987
1170	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1175		1993
1176	sub register {	1994	sub register {
1177	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1996	my $pkg = caller;
1179		1997
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1999
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	2001	}
1185		2002
1186	# also paths starting with '/'	2003	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		2005
1189	sub thawer_merge {	2006	sub thawer_merge {
1190	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1191		2008
1192	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
1193	local $self->{path};	2010	local $self->{path};
1194	local $self->{load_path};	2011	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		2012
1198	$self->SUPER::thawer_merge ($merge);	2013	$self->SUPER::thawer_merge ($merge);
1199	}	2014	}
1200		2015
1201	sub normalise {	2016	sub normalise {
1202	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1203		2018
1204	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1205		2020
1206	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1207		2022
1208	# map plan:	2023	# map plan:
1209	#	2024	#
…		…
1224	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	2040	$path = "$base/$path";
1226	}	2041	}
1227		2042
1228	for ($path) {	2043	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1232	}	2046	}
1233		2047
1234	$path	2048	$path
…		…
1248	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1249	return $self;	2063	return $self;
1250	}	2064	}
1251	}	2065	}
1252		2066
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	2068	()
1255	}	2069	}
1256		2070
		2071	# may re-bless or do other evil things
1257	sub init {	2072	sub init {
1258	my ($self) = @_;	2073	my ($self) = @_;
1259		2074
1260	$self	2075	$self
1261	}	2076	}
…		…
1273		2088
1274	# the original (read-only) location	2089	# the original (read-only) location
1275	sub load_path {	2090	sub load_path {
1276	my ($self) = @_;	2091	my ($self) = @_;
1277		2092
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2093	"$MAPDIR/$self->{path}.map"
1279	}	2094	}
1280		2095
1281	# the temporary/swap location	2096	# the temporary/swap location
1282	sub save_path {	2097	sub save_path {
1283	my ($self) = @_;	2098	my ($self) = @_;
1284		2099
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2101	"$TMPDIR/$path.map"
1287	}	2102	}
1288		2103
1289	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1290	sub uniq_path {	2105	sub uniq_path {
1291	my ($self) = @_;	2106	my ($self) = @_;
1292		2107
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2109	"$UNIQUEDIR/$path"
1295	}	2110	}
1296		2111
1297	# and all this just because we cannot iterate over	2112	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2113	my ($self) = @_;
1301		2114
1302	$_->change_map_light ($change)	2115	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2116
		2117	$self->do_decay_objects;
1304	}	2118	}
1305		2119
1306	sub unlink_save {	2120	sub unlink_save {
1307	my ($self) = @_;	2121	my ($self) = @_;
1308		2122
1309	utf8::encode (my $save = $self->save_path);	2123	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2124	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2125	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	}	2126	}
1318		2127
1319	sub load_header_from($) {	2128	sub load_header_from($) {
1320	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1321		2130
1322	utf8::encode $path;	2131	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2133	or return;
1328		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1329	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1330		2142
1331	1	2143	1
1332	}	2144	}
1333		2145
		2146	# used to laod the header of an original map
1334	sub load_header_orig {	2147	sub load_header_orig {
1335	my ($self) = @_;	2148	my ($self) = @_;
1336		2149
1337	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1338	}	2151	}
1339		2152
		2153	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2154	sub load_header_temp {
1341	my ($self) = @_;	2155	my ($self) = @_;
1342		2156
1343	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1344	}	2158	}
1345		2159
		2160	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2161	sub prepare_temp {
1347	my ($self) = @_;	2162	my ($self) = @_;
1348		2163
1349	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1351	# safety	2166	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2169	}
1355		2170
		2171	# called after loading the header from an original map
1356	sub prepare_orig {	2172	sub prepare_orig {
1357	my ($self) = @_;	2173	my ($self) = @_;
1358		2174
1359	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2187	$self->load_header_orig
1372	or return;	2188	or return;
1373	$self->prepare_orig;	2189	$self->prepare_orig;
1374	}	2190	}
1375		2191
		2192	$self->{deny_reset} = 1
		2193	if $self->no_reset;
		2194
		2195	$self->default_region (cf::region::find_by_path $self->{path})
		2196	unless $self->default_region;
		2197
1376	1	2198	1
1377	}	2199	}
1378		2200
1379	sub find;	2201	sub find;
1380	sub find {	2202	sub find {
1381	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1382		2204
		2205	cf::cede_to_tick;
		2206
1383	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1384		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2211
1387	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1390	or return;	2214	or return;
1391		2215
1392	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1393		2217
1394	$map->load_header	2218	$map->load_header
1395	or return;	2219	or return;
1396		2220
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1400	$map->reset;	2226	$map->reset;
1401	undef $guard;
1402	return find $path;	2227	return find $path;
1403	}	2228	}
1404		2229
1405	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1406	}	2231	}
1407	}	2232	}
1408		2233
1409	sub pre_load { }	2234	sub pre_load { }
1410	sub post_load { }	2235	#sub post_load { } # XS
1411		2236
1412	sub load {	2237	sub load {
1413	my ($self) = @_;	2238	my ($self) = @_;
1414		2239
1415	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1416		2241
1417	my $path = $self->{path};	2242	my $path = $self->{path};
		2243
		2244	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1419		2246
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2247	return unless $self->valid;
		2248	return unless $self->state == cf::MAP_SWAPPED;
1421		2249
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2250	$self->alloc;
1425		2251
1426	$self->pre_load;	2252	$self->pre_load;
		2253	cf::cede_to_tick;
1427		2254
1428	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1429	or return;	2259	or return;
1430		2260
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1432	if delete $self->{load_original};	2262	if delete $self->{load_original};
1433		2263
1434	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2265	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2268	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1439	}	2273	}
1440	}
1441		2274
1442	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
1443		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1444	# now do the right thing for maps	2284	# now do the right thing for maps
1445	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1446
1447	unless ($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)	2286	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2287	unless $self->difficulty;
1455	Coro::cede;	2288	cf::cede_to_tick;
1456	$self->activate;	2289
		2290	unless ($self->{deny_activate}) {
		2291	$self->decay_objects;
		2292	$self->fix_auto_apply;
		2293	$self->update_buttons;
		2294	cf::cede_to_tick;
		2295	#$self->activate; # no longer activate maps automatically
		2296	}
		2297
		2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1457	}	2300	}
1458		2301
1459	$self->post_load;	2302	$self->post_load;
1460		2303
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2304	1
1462	}	2305	}
1463		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2310	sub customise_for {
1465	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1466		2312
1467	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2314	if $self->per_player;
1469		2315
		2316	# return find "?party/" . $ob->name . "/" . $self->{path}
		2317	# if $self->per_party;
		2318
1470	$self	2319	$self
1471	}
1472
1473	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {
1475	my ($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	$neigh->load;
1494	}
1495	}	2320	}
1496		2321
1497	sub find_sync {	2322	sub find_sync {
1498	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1499		2324
1500	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1501	}	2330	}
1502		2331
1503	sub do_load_sync {	2332	sub do_load_sync {
1504	my ($map) = @_;	2333	my ($map) = @_;
1505		2334
1506	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1507	}	2340	}
1508		2341
1509	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1511		2344
1512	sub find_async {	2345	sub find_async {
1513	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1514		2347
1515	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1516		2349
1517	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1519	}	2352	}
1520		2353
1521	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1522	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1523	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2361	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2362	$map->load if $v;
		2363	}
1528		2364
1529	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1530	}	2366	}
1531	}	2367	}
1532	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1533	};	2369	};
1534	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1535		2371
1536	()	2372	()
1537	}	2373	}
1538		2374
		2375	# common code, used by both ->save and ->swapout
1539	sub save {	2376	sub _save {
1540	my ($self) = @_;	2377	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2378
1544	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1545		2380
1546	return unless $self->dirty;	2381	return unless $self->dirty;
1547		2382
…		…
1553	return if $self->{deny_save};	2388	return if $self->{deny_save};
1554		2389
1555	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1556		2391
1557	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1559	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1560		2398
1561	if ($uniq) {	2399	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2402	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2404	}
1567	}	2405	}
1568		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1569	sub swap_out {	2415	sub swap_out {
1570	my ($self) = @_;	2416	my ($self) = @_;
1571		2417
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1577	return if $self->players;	2422	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1581	$self->clear;	2433	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2434	}
1584		2435
1585	sub reset_at {	2436	sub reset_at {
1586	my ($self) = @_;	2437	my ($self) = @_;
1587		2438
1588	# TODO: safety, remove and allow resettable per-player maps	2439	# 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};	2440	return 1e99 if $self->{deny_reset};
1591		2441
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2444
…		…
1605	my ($self) = @_;	2455	my ($self) = @_;
1606		2456
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2458
1609	return if $self->players;	2459	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2460
1612	warn "resetting map ", $self->path;#d#	2461	cf::trace "resetting map ", $self->path, "\n";
1613		2462
1614	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1615		2464
1616	# need to save uniques path	2465	# need to save uniques path
1617	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2468
…		…
1621	if $uniq;	2470	if $uniq;
1622	}	2471	}
1623		2472
1624	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1625		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2477	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2478
1630	$self->unlink_save;	2479	$self->unlink_save;
1631	$self->destroy;	2480	$self->destroy;
1632	}	2481	}
1633		2482
1634	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1635		2484
1636	sub nuke {	2485	sub nuke {
1637	my ($self) = @_;	2486	my ($self) = @_;
1638		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1639	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1640		2492
1641	$self->unlink_save;	2493	$self->unlink_save;
1642		2494
1643	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2500
1649	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1650		2503
1651	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
		2505	}
		2506
		2507	=item $maps = cf::map::tmp_maps
		2508
		2509	Returns an arrayref with all map paths of currently instantiated and saved
		2510	maps. May block.
		2511
		2512	=cut
		2513
		2514	sub tmp_maps() {
		2515	[
		2516	map {
		2517	utf8::decode $_;
		2518	/\.map$/
		2519	? normalise $_
		2520	: ()
		2521	} @{ aio_readdir $TMPDIR or [] }
		2522	]
		2523	}
		2524
		2525	=item $maps = cf::map::random_maps
		2526
		2527	Returns an arrayref with all map paths of currently instantiated and saved
		2528	random maps. May block.
		2529
		2530	=cut
		2531
		2532	sub random_maps() {
		2533	[
		2534	map {
		2535	utf8::decode $_;
		2536	/\.map$/
		2537	? normalise "?random/$_"
		2538	: ()
		2539	} @{ aio_readdir $RANDOMDIR or [] }
		2540	]
1652	}	2541	}
1653		2542
1654	=item cf::map::unique_maps	2543	=item cf::map::unique_maps
1655		2544
1656	Returns an arrayref of paths of all shared maps that have	2545	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2546	instantiated unique items. May block.
1658		2547
1659	=cut	2548	=cut
1660		2549
1661	sub unique_maps() {	2550	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2551	[
1663	or return;	2552	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2553	utf8::decode $_;
1669	next if /\.pst$/;	2554	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2556	? ()
1672	push @paths, cf::map::normalise $_;	2557	: normalise $_
		2558	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2559	]
1674
1675	\@paths
1676	}	2560	}
1677		2561
1678	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1679		2593
1680	=back	2594	=back
1681		2595
1682	=head3 cf::object	2596	=head3 cf::object
1683		2597
…		…
1687		2601
1688	=over 4	2602	=over 4
1689		2603
1690	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
1691		2605
1692	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
1693		2608
1694	=cut	2609	=cut
1695		2610
1696	sub inv_recursive_;	2611	sub inv_recursive_;
1697	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
1700		2615
1701	sub inv_recursive {	2616	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
1703	}	2618	}
1704		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
1705	package cf;	2648	package cf;
1706		2649
1707	=back	2650	=back
1708		2651
1709	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
1718		2661
1719	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
1720		2677
1721	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2679	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
1726		2683
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2685
1729	if ($self->{record_replies}) {	2686	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2688
1731	} else {	2689	} else {
		2690	my $pl = $self->contr;
		2691
		2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2693	my $dialog = $pl->{npc_dialog};
		2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2695
		2696	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2699	}
1734	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
1735	}	2711	}
1736		2712
1737	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
1738		2714
1739	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
1752		2728
1753	=item $player_object->enter_link	2729	=item $player_object->enter_link
1754		2730
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2732
1757	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
1759		2737
1760	Will never block.	2738	Will never block.
1761		2739
1762	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
1763		2741
…		…
1783	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2762	my ($self) = @_;
1785		2763
1786	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
1787		2765
		2766	++$self->{_link_recursion};
		2767
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2769
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2771	if $self->map && $self->map->{path} ne "{link}";
1792		2772
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2774	}
1795		2775
1796	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
		2778
		2779	return unless $self->contr->active;
1798		2780
1799	my $link_pos = delete $self->{_link_pos};	2781	my $link_pos = delete $self->{_link_pos};
1800		2782
1801	unless ($map) {	2783	unless ($map) {
1802	# restore original map position	2784	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
1815		2797
1816	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
1819		2801
1820	$map->load;	2802	$map->load;
1821	$map->load_diag;
1822		2803
1823	return unless $self->contr->active;	2804	return unless $self->contr->active;
		2805
		2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2807	if ($self->enter_map ($map, $x, $y)) {
		2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2811	$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	$pl->ob->leave_link
1836	};
1837	}
1838	},	2812	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2813
1842	# try to abort aborted map switching on player login :)	2814	}
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		2815
1860	=item $player_object->goto ($path, $x, $y)	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2817
		2818	Moves the player to the given map-path and coordinates by first freezing
		2819	her, loading and preparing them map, calling the provided $check callback
		2820	that has to return the map if sucecssful, and then unfreezes the player on
		2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
1862	=cut	2827	=cut
		2828
		2829	our $GOTOGEN;
1863		2830
1864	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
		2839
		2840	# do generation counting so two concurrent goto's will be executed in-order
		2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2842
1867	$self->enter_link;	2843	$self->enter_link;
1868		2844
1869	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
1870	my $map = eval {	2867	my $map = eval {
1871	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2869
		2870	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2871	$map = $map->customise_for ($self);
		2872	$map = $check->($map, $x, $y, $self) if $check && $map;
		2873	} else {
		2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2875	}
		2876
1873	$map	2877	$map
		2878	};
		2879
		2880	if ($@) {
		2881	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2882	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2883	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2884
		2885	if ($gen == $self->{_goto_generation}) {
		2886	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
		2888	}
		2889
		2890	$done->($self) if $done;
1878	})->prio (1);	2891	})->prio (1);
1879	}	2892	}
1880		2893
1881	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
1882		2895
…		…
1902	}	2915	}
1903		2916
1904	sub prepare_random_map {	2917	sub prepare_random_map {
1905	my ($exit) = @_;	2918	my ($exit) = @_;
1906		2919
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2922	# that depends on the exit object
1912		2923
1913	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2926	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
1920	}	2933	}
1921		2934
1922	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
1923		2936
1924	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
1927		2940
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2943	undef $fh;
1931	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
1932		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
1935	}	2952	}
1936	}	2953	}
1937		2954
1938	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
1940		2957
1941	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
1942		2959
1943	if ($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;	2960	$self->enter_link;
1953		2961
1954	(async {	2962	(async {
1955	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
1956	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
1957	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
1958		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
1959	1;	3001	1
1960	}) {	3002	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
1965		3007
1966	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	3009	$self->leave_link;
1968	}	3010	}
1969	})->prio (1);	3011	})->prio (1);
1970	}	3012	}
1971		3013
…		…
1982		3024
1983	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
1985		3027
1986	utf8::encode $text;	3028	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	3030	}
1989		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
		3219	=item $client->ext_msg ($type, @msg)
		3220
		3221	Sends an ext event to the client.
		3222
		3223	=cut
		3224
		3225	sub cf::client::ext_msg($$@) {
		3226	my ($self, $type, @msg) = @_;
		3227
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3229	}
1990		3230
1991	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
1992		3232
1993	Queues a query to the client, calling the given callback with	3233	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>,	3234	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>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3236
1997	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3238	become reliable at some point in the future.
1999		3239
2000	=cut	3240	=cut
2001		3241
2002	sub cf::client::query {	3242	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3251	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3253
2014	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2016	}	3258	}
2017		3259
2018	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2019	on_reply => sub {	3266	on_reply => sub {
2020	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2021		3268
2022	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2023	# get handled first	3270	# get handled first
…		…
2035	} else {	3282	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3284	}
2038	}	3285	}
2039	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2040	);	3310	);
2041		3311
2042	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2043		3313
2044	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3330
2061	$coro	3331	$coro
2062	}	3332	}
2063		3333
2064	cf::client->attach (	3334	cf::client->attach (
2065	on_destroy => sub {	3335	on_client_destroy => sub {
2066	my ($ns) = @_;	3336	my ($ns) = @_;
2067		3337
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3339	},
2070	);	3340	);
…		…
2085	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2087		3357
2088	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2089		3359
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2091		3365
2092	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2093		3367
2094	=pod	3368	=pod
2095		3369
2096	The following fucntions and emthods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2097		3371
2098	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2099	cf::object::player player	3377	cf::object::player
2100	cf::player peaceful	3378	player
2101	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2102		3385
2103	=cut	3386	=cut
2104		3387
2105	for (	3388	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2110	) {	3395	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3398	for @funs;
2115	}	3399	}
2116		3400
…		…
2131		3415
2132	my $qcode = $code;	3416	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2135		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2136	local $_;	3423	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3424
2139	my $eval =	3425	my $eval =
2140	"do {\n"	3426	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3429	. $code
2144	. "\n}"	3430	. "\n}"
2145	;	3431	;
2146		3432
		3433	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2150		3442
2151	if ($@) {	3443	if ($@) {
2152	warn "$@";	3444	warn "$@",
2153	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2155	}	3447	}
2156		3448
2157	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2158	}	3450	}
2159		3451
…		…
2173	=cut	3465	=cut
2174		3466
2175	sub register_script_function {	3467	sub register_script_function {
2176	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2177		3469
2178	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2180	}	3472	}
2181		3473
2182	=back	3474	=back
2183		3475
2184	=cut	3476	=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 $_[2], 0, sub { };
2256	}
2257		3477
2258	#############################################################################	3478	#############################################################################
2259	# the server's init and main functions	3479	# the server's init and main functions
2260		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
		3505	sub load_facedata($) {
		3506	my ($path) = @_;
		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
		3514	trace "loading facedata from $path\n";
		3515
		3516	my $facedata = decode_storable load_file $path;
		3517
		3518	$facedata->{version} == 2
		3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3520
		3521	cf::cede_to_tick;
		3522
		3523	{
		3524	my $faces = $facedata->{faceinfo};
		3525
		3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
		3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
		3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
		3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539
		3540	while (my ($face, $info) = each %$faces) {
		3541	next unless $info->{smooth};
		3542
		3543	my $idx = cf::face::find $face
		3544	or next;
		3545
		3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
		3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3549	} else {
		3550	error "smooth face '$info->{smooth}' not found for face '$face'";
		3551	}
		3552
		3553	cf::cede_to_tick;
		3554	}
		3555	}
		3556
		3557	{
		3558	my $anims = $facedata->{animinfo};
		3559
		3560	while (my ($anim, $info) = each %$anims) {
		3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3562	cf::cede_to_tick;
		3563	}
		3564
		3565	cf::anim::invalidate_all; # d'oh
		3566	}
		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
		3590	1
		3591	}
		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
2261	sub load_resources {	3601	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
		3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
		3629	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3630	or die "unable to load regions file\n";
2264	}
2265		3631
2266	sub cfg_load {	3632	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3633	$_->{match} = qr/$_->{match}/
2268	or return;	3634	if exists $_->{match};
		3635	}
		3636	}
2269		3637
2270	local $/;	3638	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3639	load_facedata "$DATADIR/facedata"
		3640	or die "unable to load facedata\n";
		3641	}
2272		3642
		3643	sub reload_archetypes {
		3644	load_resource_file "$DATADIR/archetypes"
		3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
		3655	}
		3656
		3657	sub reload_treasures {
		3658	load_resource_file "$DATADIR/treasures"
		3659	or die "unable to load treasurelists\n";
		3660	}
		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
		3744	sub reload_resources {
		3745	trace "reloading resource files...\n";
		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
		3752	reload_regions;
		3753	reload_treasures;
		3754	reload_pod;
		3755
		3756	trace "finished reloading resource files\n";
		3757	}
		3758
		3759	sub reload_config {
		3760	trace "reloading config file...\n";
		3761
		3762	my $config = load_file "$CONFDIR/config";
		3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
		3765
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3767
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3770
2278	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2282	};	3775	};
2283	warn $@ if $@;	3776	warn $@ if $@;
2284	}	3777	}
2285	}	3778	}
2286		3779
2287	sub init {	3780	sub pidfile() {
2288	load_resources;	3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3806	}
2290		3807
2291	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2292	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3821	(async {
2296	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2298	};	3825	};
2299		3826
2300	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2301	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2302	load_extensions;	3851	load_extensions;
2303		3852
2304	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2306	}	3870	}
2307		3871
2308	#############################################################################	3872	#############################################################################
2309	# initialisation and cleanup	3873	# initialisation and cleanup
2310		3874
2311	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2312	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3879	$SIGWATCHER{$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";	3880	cf::cleanup "SIG$signal";
2321	},
2322	);	3881	};
		3882	}
		3883	}
		3884
		3885	sub write_runtime_sync {
		3886	my $t0 = AE::time;
		3887
		3888	# first touch the runtime file to show we are still running:
		3889	# the fsync below can take a very very long time.
		3890
		3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3892
		3893	my $guard = cf::lock_acquire "write_runtime";
		3894
		3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3896	or return;
		3897
		3898	my $value = $cf::RUNTIME + 90 + 10;
		3899	# 10 is the runtime save interval, for a monotonic clock
		3900	# 60 allows for the watchdog to kill the server.
		3901
		3902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3903	and return;
		3904
		3905	# always fsync - this file is important
		3906	aio_fsync $fh
		3907	and return;
		3908
		3909	# touch it again to show we are up-to-date
		3910	aio_utime $fh, undef, undef;
		3911
		3912	close $fh
		3913	or return;
		3914
		3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3916	and return;
		3917
		3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3919
2323	}	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2324	}	3971	}
2325		3972
2326	sub emergency_save() {	3973	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2328		3975
2329	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2330		3982
2331	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2332	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3994	$pl->save;
2340	}	3995	}
2341	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2342		3997
2343	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	4003	$map->valid or next;
2347	$map->save;	4004	$map->save;
2348	}	4005	}
2349	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2350		4007
2351	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2354	};	4036	};
2355		4037
2356	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2357	}	4039	}
2358		4040
		4041	sub post_cleanup {
		4042	my ($make_core) = @_;
		4043
		4044	IO::AIO::flush;
		4045
		4046	error Carp::longmess "post_cleanup backtrace"
		4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
		4076	}
		4077
2359	sub reload() {	4078	sub do_reload_perl() {
2360	# can/must only be called in main	4079	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2362	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2363	return;	4082	return;
2364	}	4083	}
2365		4084
2366	warn "reloading...";	4085	return if $RELOAD++;
2367		4086
2368	warn "cancelling server ticker";	4087	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
		4095	cf::sync_job {
2371	cf::emergency_save;	4096	#cf::emergency_save;
2372		4097
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";	4098	trace "perl_reload: cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	4100	%EXT_CORO = ();
2396		4101
2397	warn "removing commands";	4102	trace "perl_reload: removing commands";
2398	%COMMAND = ();	4103	%COMMAND = ();
2399		4104
2400	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2401	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2402		4108
2403	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2406		4112
2407	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2408	eval {	4114	eval {
2409	$cb->($pkg);	4115	$cb->($pkg);
2410	1	4116	1
2411	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2412	}	4122	}
2413		4123
2414	warn "... nuking $pkg";
2415	Symbol::delete_package $pkg;
2416	}
2417
2418	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2419	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		4127
2422	warn "... unloading $k";	4128	trace "... unloading $k";
2423	delete $INC{$k};	4129	delete $INC{$k};
2424		4130
2425	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2427		4133
2428	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2429	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2430	}	4139	}
2431		4140
2432	Symbol::delete_package $k;
2433	}
2434
2435	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		4144
2439	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
		4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		4148
2442	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2443	# and global variables created in xs	4150	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2445		4152
2446	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2447		4154
2448	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2449	require cf;	4156	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2451		4158
2452	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2453	cf::cfg_load;	4160	cf::reload_config;
2454		4161
2455	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4163	cf::load_extensions;
2457		4164
		4165	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4167	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
		4170	trace "perl_reload: reattaching attachments to players";
		4171	reattach $_ for values %PLAYER;
		4172	}
2462		4173
2463	warn "loading reloadable resources";	4174	cf::_post_init 1;
2464	load_resources;
2465		4175
2466	warn "restarting server ticker";	4176	trace "perl_reload: leaving sync_job";
2467		4177
2468	$TICK_WATCHER->start;	4178	1
		4179	} or do {
		4180	error $@;
		4181	cf::cleanup "perl_reload: error, exiting.";
		4182	};
		4183
		4184	--$RELOAD;
		4185	}
		4186
		4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
		4189	};
		4190
		4191	our $RELOAD_WATCHER; # used only during reload
		4192
		4193	sub reload_perl() {
		4194	# doing reload synchronously and two reloads happen back-to-back,
		4195	# coro crashes during coro_state_free->destroy here.
		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
		4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4201	do_reload_perl;
		4202	undef $RELOAD_WATCHER;
		4203	};
2469	};	4204	};
2470		4205	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4206
2482	register_command "reload" => sub {	4207	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2484		4209
2485	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
2487		4212	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4213	$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;	4214	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4215	};
2500	}	4216	}
2501	};	4217	};
2502		4218
2503	unshift @INC, $LIBDIR;	4219	#############################################################################
2504		4220
2505	my $bug_warning = 0;	4221	my $bug_warning = 0;
2506		4222
2507	$TICK_WATCHER = Event->timer (	4223	sub wait_for_tick() {
2508	reentrant => 0,	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2509	parked => 1,	4225
2510	prio => 0,	4226	$WAIT_FOR_TICK->wait;
2511	at => $NEXT_TICK || $TICK,	4227	}
2512	data => WF_AUTOCANCEL,	4228
2513	cb => sub {	4229	sub wait_for_tick_begin() {
		4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4231
		4232	my $signal = new Coro::Signal;
		4233	push @WAIT_FOR_TICK_BEGIN, $signal;
		4234	$signal->wait;
		4235	}
		4236
		4237	sub tick {
2514	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2517	return;	4241	return;
		4242	}
		4243
		4244	cf::one_tick; # one server iteration
		4245
		4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4247
		4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4250	Coro::async_pool {
		4251	$Coro::current->{desc} = "runtime saver";
		4252	write_runtime_sync
		4253	or error "ERROR: unable to write runtime file: $!";
2518	}	4254	};
		4255	}
2519		4256
2520	$NOW = Event::time;	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2521		4258	$sig->send;
2522	cf::server_tick; # one server iteration	4259	}
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525
2526	$WAIT_FOR_TICK->broadcast;	4260	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4261
2529	Event::sweep;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	Coro::cede_notself;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4264
		4265	if (0) {
		4266	if ($NEXT_TICK) {
		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
2531		4270	}
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	},	4271	}
2541	);	4272	}
2542		4273
2543	{	4274	{
2544	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
2546	reentrant => 0,	4277
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;	4278	BDB::min_parallel 16;
2554		4279	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	4280	#$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	$! = $status;
2566	},
2567	)
2568	};
2569		4281
2570	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		4289
2573	cf::sync_job {	4290	cf::sync_job {
2574	eval {	4291	eval {
2575	BDB::db_env_open	4292	BDB::db_env_open
2576	$DB_ENV,	4293	$DB_ENV,
2577	$BDB_ENV_DIR,	4294	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	4297	0666;
2581		4298
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4299	cf::cleanup "db_env_open($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	};	4300	};
2587		4301
2588	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	4303	};
2590	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
2591	}	4317	}
2592		4318
2593	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
2594	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,	4326	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	}	4327	}
2607		4328
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	4329	our $_log_backtrace;
2609	reentrant => 0,	4330	our $_log_backtrace_last;
2610	data => WF_AUTOCANCEL,	4331
2611	after => 1,	4332	sub _log_backtrace {
2612	interval => 10,	4333	my ($msg, @addr) = @_;
2613	prio => 6, # keep it lowest so it acts like a watchdog	4334
2614	cb => Coro::unblock_sub {	4335	$msg =~ s/\n$//;
2615	write_runtime	4336
2616	or warn "ERROR: unable to write runtime file: $!";	4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4340	# limit the # of concurrent backtraces
		4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
		4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
		4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
		4348	my @bt = fork_call {
		4349	@addr = map { sprintf "%x", $_ } @addr;
		4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4352	or die "addr2line: $!";
		4353
		4354	my @funcs;
		4355	my @res = <$fh>;
		4356	chomp for @res;
		4357	while (@res) {
		4358	my ($func, $line) = splice @res, 0, 2, ();
		4359	push @funcs, "[$func] $line";
		4360	}
		4361
		4362	@funcs
		4363	};
		4364
		4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4367	LOG llevInfo, "[ABT] $_\n" for @bt;
		4368	--$_log_backtrace;
		4369	};
		4370	} else {
		4371	LOG llevInfo, "[ABT] $msg\n";
		4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2617	},	4373	}
2618	);	4374	}
		4375
		4376	# load additional modules
		4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
2619		4379
2620	END { cf::emergency_save }	4380	END { cf::emergency_save }
2621		4381
2622	1	4382	1
2623		4383

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