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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.603 by root, Tue Nov 13 01:12:23 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 ();
		58	use BDB ();
20	use Data::Dumper;	59	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	60	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	61	use YAML::XS ();
25	use Time::HiRes;	62	use IO::AIO ();
		63	use Compress::LZF;
		64	use Digest::MD5 ();
26		65
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		81
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		83
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		85
36	our %COMMAND = ();	86	our %COMMAND = ();
37	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
38		88
39	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
43		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	98	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
46		101
47	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	103
49	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
52	our $NOW;	144	our $NOW;
53		145
54	our %CFG;	146	our (%PLAYER, %PLAYER_LOADING); # all users
55		147	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		149
67	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
70	binmode STDOUT;	166	binmode STDOUT;
71	binmode STDERR;	167	binmode STDERR;
72		168
73	# read virtual server time, if available	169	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
78	}	174	}
79		175
80	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	177
82	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		180
86	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
87		182
88	sub cf::map::normalise;	183	sub cf::map::normalise;
89		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
90	#############################################################################	189	#############################################################################
91		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
92	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
93		203
94	=over 4	204	=over 4
95		205
96	=item $cf::UPTIME	206	=item $cf::UPTIME
97		207
98	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
99		224
100	=item $cf::RUNTIME	225	=item $cf::RUNTIME
101		226
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	228	every server tick.
104		229
105	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		233
107	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
109		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
110	=item $cf::NOW	245	=item $cf::LOAD
111		246
112	The time of the last (current) server tick.	247	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		248
118	=item %cf::CFG	249	=item %cf::CFG
119		250
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	252	from wherever your confdir points to.
122		253
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		255
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick.
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	cf::wait_for_tick_begin only returns directly I<after> the tick
127	processing has been done. Call C<< ->wait >> on them to maximise the	258	processing (and consequently, can only wake one thread per tick), while
128	window of cpu time available, or simply to synchronise to the server tick.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
129		289
130	=back	290	=back
131		291
132	=cut	292	=cut
133		293
134	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	301	my $msg = join "", @_;
137	utf8::encode $msg;
138		302
139	$msg .= "\n"	303	$msg .= "\n"
140	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
141		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
142	LOG llevError, $msg;	308	LOG llevWarn, $msg;
143	};	309	};
144	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
145		324
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		332
153	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	334	# within the Safe compartment.
155	for my $pkg (qw(	335	for my $pkg (qw(
156	cf::global cf::attachable	336	cf::global cf::attachable
157	cf::object cf::object::player	337	cf::object cf::object::player
158	cf::client cf::player	338	cf::client cf::player
159	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
160	cf::map cf::party cf::region	341	cf::party cf::region
161	)) {	342	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	344	}
165		345
166	$Event::DIED = sub {	346	$EV::DIED = sub {
167	warn "error in event callback: @_";	347	warn "error in event callback: $@";
168	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
169		356
170	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
171		358
172	=over 4	359	=over 4
173		360
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	380	$d
194	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
195	}	382	}
196		383
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
198		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
199	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
200		437
201	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
202		439
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
211		441
212	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
213		443
214	=cut	444	=cut
215		445
216	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
218	JSON::Syck::Dump $_[0]	448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
219	}	511	}
220		512
221	=item cf::lock_wait $string	513	=item cf::lock_wait $string
222		514
223	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
224		516
225	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
226		518
227	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
230	returned.	522	returned.
231		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
232	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
234		529
235	=cut	530	=item $locked = cf::lock_active $string
236		531
237	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
238		537
239	sub lock_wait($) {	538	sub lock_wait($) {
240	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	540	}
248		541
249	sub lock_acquire($) {	542	sub lock_acquire($) {
250	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
251		545
252	# wait, to be sure we are not locked	546	sub lock_active($) {
253	lock_wait $key;	547	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	548	}
262		549
263	sub freeze_mainloop {	550	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
265		552
266	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	554	}
268	$WRITE_RUNTIME_WATCHER->start;	555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
269	};	623	}
270	$WRITE_RUNTIME_WATCHER->stop;	624	};
271	$TICK_WATCHER->stop;	625
272	$guard	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
273	}	639	}
274		640
275	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
276		642
277	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		648
283	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
284		650
285	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
286		652
287	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
290		657
291	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
294	fast or be very important.	661	fast or be very important.
…		…
296	=cut	663	=cut
297		664
298	sub sync_job(&) {	665	sub sync_job(&) {
299	my ($job) = @_;	666	my ($job) = @_;
300		667
301	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
302	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
304		673
305	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	675
307	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
308		677
309	my $busy = 1;	678	my $busy = 1;
310	my @res;	679	my @res;
311		680
312	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	683	@res = eval { $job->() };
314	warn $@ if $@;	684	error $@ if $@;
315	undef $busy;	685	undef $busy;
316	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
317		687
318	while ($busy) {	688	while ($busy) {
319	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
320	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
321		699
322	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
323	} else {	701	} else {
324	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
325		703
…		…
345	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
346		724
347	$coro	725	$coro
348	}	726	}
349		727
350	sub write_runtime {	728	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		729
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	730	Executes the given code block with the given arguments in a seperate
354	or return;	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
355		734
356	my $value = $cf::RUNTIME + 90 + 10;	735	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		736
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	737	sub post_fork {
361	and return;	738	reset_signals;
		739	}
362		740
363	aio_fsync $fh	741	sub fork_call(&@) {
364	and return;	742	my ($cb, @args) = @_;
365		743
366	close $fh	744	my @res = Coro::Util::fork_eval {
367	or return;	745	cf::post_fork;
		746	&$cb
		747	} @args;
368		748
369	aio_rename "$runtime~", $runtime	749	wantarray ? @res : $res[-1]
370	and return;	750	}
371		751
		752	sub objinfo {
372	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
		916	}
		917
		918	=item cf::datalog type => key => value, ...
		919
		920	Log a datalog packet of the given type with the given key-value pairs.
		921
		922	=cut
		923
		924	sub datalog($@) {
		925	my ($type, %kv) = @_;
		926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	927	}
374		928
375	=back	929	=back
376		930
377	=cut	931	=cut
378		932
379	#############################################################################	933	#############################################################################
380		934
381	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
382		936
383	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
386		940
387	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	943	Deliantra).
390		944
391	=over 4	945	=over 4
392		946
393	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
394		948
…		…
438	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
439		993
440	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
442		996
443	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
445		999
446	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
447		1001
448	=over 4	1002	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
558		1112
559	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1117
564	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
566		1120
567	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
572		1126
573	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1129
576	} elsif (ref $type) {	1130	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
578		1132
579	} else {	1133	} else {
580	shift @arg;	1134	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
582	}	1136	}
583	}	1137	}
584	}	1138	}
585		1139
586	sub _object_attach {	1140	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
597	}	1151	}
598		1152
599	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
600	} else {	1154	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1156	}
603		1157
604	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
605	}	1159	}
606		1160
…		…
608	if (ref $_[0]) {	1162	if (ref $_[0]) {
609	_object_attach @_;	1163	_object_attach @_;
610	} else {	1164	} else {
611	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
612	}	1166	}
		1167	_recalc_want;
613	};	1168	};
614		1169
615	# all those should be optimised	1170	# all those should be optimised
616	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1176	reattach ($obj);
622	} else {	1177	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
624	}	1179	}
		1180	_recalc_want;
625	};	1181	};
626		1182
627	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
629		1185
…		…
644	";	1200	";
645	die if $@;	1201	die if $@;
646	}	1202	}
647		1203
648	our $override;	1204	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1206
651	sub override {	1207	sub override {
652	$override = 1;	1208	$override = 1;
653	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
654	}	1210	}
655		1211
656	sub do_invoke {	1212	sub do_invoke {
657	my $event = shift;	1213	my $event = shift;
658	my $callbacks = shift;	1214	my $callbacks = shift;
659		1215
660	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
661		1217
662	local $override;	1218	local $override;
663		1219
664	for (@$callbacks) {	1220	for (@$callbacks) {
665	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
666		1222
667	if ($@) {	1223	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1225	override;
671	}	1226	}
672		1227
673	return 1 if $override;	1228	return 1 if $override;
674	}	1229	}
675		1230
676	0	1231	0
677	}	1232	}
678		1233
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1235
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1237
683	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
684		1239
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1243
689	=back	1244	=back
690		1245
691	=cut	1246	=cut
692		1247
693	#############################################################################	1248	#############################################################################
694	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
695		1292
696	sub reattach {	1293	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1295	my ($obj) = @_;
699		1296
		1297	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1299
702	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
703		1301
704	@$registry = ();	1302	@$registry = ();
705		1303
…		…
710	for (@$attach) {	1308	for (@$attach) {
711	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
713	}	1311	}
714	} else {	1312	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1314	}
717	}	1315	}
718	}	1316	}
719		1317
720	cf::attachable->attach (	1318	cf::attachable->attach (
721	prio => -1000000,	1319	prio => -1000000,
722	on_instantiate => sub {	1320	on_instantiate => sub {
723	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
724		1322
725	$data = from_json $data;	1323	$data = decode_json $data;
726		1324
727	for (@$data) {	1325	for (@$data) {
728	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
729		1327
730	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1344	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
748		1346
749	sync_job {	1347	sync_job {
750	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
753		1353
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1359	aio_fsync $fh;
		1360	}
758	close $fh;	1361	aio_close $fh;
759		1362
760	if (@$objs) {	1363	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
		1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1370	aio_fsync $fh;
		1371	}
766	close $fh;	1372	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
768	}	1374	}
769	} else {	1375	} else {
770	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
771	}	1377	}
772		1378
773	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1383	} else {
775	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
776	}	1385	}
777	} else {	1386	} else {
778	aio_unlink $filename;	1387	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
780	}	1389	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1390	};
788	}	1391	}
789		1392
790	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
792		1395
…		…
797		1400
798	sub object_thawer_load {	1401	sub object_thawer_load {
799	my ($filename) = @_;	1402	my ($filename) = @_;
800		1403
801	my ($data, $av);	1404	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1405
806	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
807	or return;	1407	or return;
808		1408
809	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
811	or return;	1411	or return;
		1412
812	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
813	}	1415	}
814		1416
		1417	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
817	return ($data, $av);	1422	($data, $av)
818	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
819		1430
820	#############################################################################	1431	#############################################################################
821	# command handling &c	1432	# command handling &c
822		1433
823	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
824		1435
825	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
826	$name.	1437	$name.
827		1438
828	=cut	1439	=cut
…		…
834	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
835		1446
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1448	}
838		1449
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
840		1451
841	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
842		1457
843	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
844	called.
845		1459
846	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
847		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
848	sub register_extcmd {	1482	sub register_extcmd($$) {
849	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
850		1484
851	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
852	}	1486	}
853		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
854	cf::player->attach (	1508	cf::player->attach (
855	on_command => sub {	1509	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
857		1511
858	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
859	or return;	1513	or return;
860		1514
…		…
865	cf::override;	1519	cf::override;
866	},	1520	},
867	on_extcmd => sub {	1521	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
869		1523
870	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1525
872	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
875	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
876	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
877	}	1547	}
		1548
878	} else {	1549	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1551	}
881		1552
882	cf::override;	1553	cf::override;
883	},	1554	},
884	);	1555	);
885		1556
		1557	# "readahead" all extensions
886	sub load_extension {	1558	sub cache_extensions {
887	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
888		1560
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1564	}
914	die $@;
915	}	1565	};
916		1566
917	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
918	}	1579	}
919		1580
920	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
921	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1590	next unless -r $path;
923	eval {	1591
924	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
925	1	1664	}
926	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
927	}	1677	};
928	}	1678	}
929		1679
930	#############################################################################	1680	#############################################################################
931		1681
		1682	=back
		1683
932	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
933		1685
934	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
935		1687
936	=cut	1688	=cut
937		1689
938	package cf::player;	1690	package cf::player;
939		1691
…		…
941		1693
942	=head3 cf::player	1694	=head3 cf::player
943		1695
944	=over 4	1696	=over 4
945		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
		1711
946	=item cf::player::find $login	1712	=item cf::player::find $login
947		1713
948	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
949		1715
950	=cut	1716	=cut
951		1717
952	sub playerdir($) {	1718	sub playerdir($) {
953	cf::localdir	1719	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1720	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1721	}
959		1722
960	sub path($) {	1723	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1724	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1725
963	(playerdir $login) . "/$login.pl"	1726	(playerdir $login) . "/playerdata"
964	}	1727	}
965		1728
966	sub find_active($) {	1729	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1730	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1731	and $cf::PLAYER{$_[0]}->active
…		…
971		1734
972	sub exists($) {	1735	sub exists($) {
973	my ($login) = @_;	1736	my ($login) = @_;
974		1737
975	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
977	}	1740	}
978		1741
979	sub find($) {	1742	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1744	my $login = $_[0];
982		1745
983	my $guard = cf::lock_acquire "user_find:$login";	1746	my $guard = cf::lock_acquire "user_find:$login";
984		1747
985	$cf::PLAYER{$_[0]} || do {	1748	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1749	# rename old playerfiles to new ones
		1750	#TODO: remove when no longer required
		1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1754	aio_unlink +(playerdir $login) . "/$login.pl";
		1755
		1756	my $f = new_from_file cf::object::thawer path $login
987	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
989	}	1765	}
990	}	1766	}
991	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
992		1781
993	sub save($) {	1782	sub save($) {
994	my ($pl) = @_;	1783	my ($pl) = @_;
995		1784
996	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1002		1791
1003	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1005		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1006	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1007	Coro::cede;	1801	cf::cede_to_tick;
1008	}	1802	}
1009		1803
1010	sub new($) {	1804	sub new($) {
1011	my ($login) = @_;	1805	my ($login) = @_;
1012		1806
…		…
1018	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1019		1813
1020	$self	1814	$self
1021	}	1815	}
1022		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1023	=item $pl->quit_character	1827	=item $pl->quit_character
1024		1828
1025	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1027		1831
1028	=cut	1832	=cut
1029		1833
1030	sub quit_character {	1834	sub quit_character {
1031	my ($pl) = @_;	1835	my ($pl) = @_;
1032		1836
		1837	my $name = $pl->ob->name;
		1838
1033	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1841
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1039	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1040		1850
1041	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1854	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1855	$pl->destroy;
		1856
		1857	my $prefix = qr<^~\Q$name\E/>;
		1858
		1859	# nuke player maps
		1860	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1861
1046	IO::AIO::aio_rmtree $temp;	1862	IO::AIO::aio_rmtree $temp;
		1863	}
		1864
		1865	=item $pl->kick
		1866
		1867	Kicks a player out of the game. This destroys the connection.
		1868
		1869	=cut
		1870
		1871	sub kick {
		1872	my ($pl, $kicker) = @_;
		1873
		1874	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1875	$pl->killer ("kicked");
		1876	$pl->ns->destroy;
1047	}	1877	}
1048		1878
1049	=item cf::player::list_logins	1879	=item cf::player::list_logins
1050		1880
1051	Returns am arrayref of all valid playernames in the system, can take a	1881	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1882	while and may block, so not sync_job-capable, ever.
1053		1883
1054	=cut	1884	=cut
1055		1885
1056	sub list_logins {	1886	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1887	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1888	or return [];
1059		1889
1060	my @logins;	1890	my @logins;
1061		1891
1062	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1066		1902
1067	utf8::decode $login;	1903	utf8::decode $login;
1068	push @logins, $login;	1904	push @logins, $login;
1069	}	1905	}
1070		1906
1071	\@logins	1907	\@logins
1072	}	1908	}
1073		1909
1074	=item $player->maps	1910	=item $player->maps
1075		1911
		1912	=item cf::player::maps $login
		1913
1076	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1077	player. May block.	1915	player. May block.
1078		1916
1079	=cut	1917	=cut
1080		1918
1081	sub maps($) {	1919	sub maps($) {
1082	my ($pl) = @_;	1920	my ($pl) = @_;
		1921
		1922	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1923
1084	my $files = aio_readdir playerdir $pl	1924	my $files = aio_readdir playerdir $pl
1085	or return;	1925	or return;
1086		1926
1087	my @paths;	1927	my @paths;
…		…
1089	for (@$files) {	1929	for (@$files) {
1090	utf8::decode $_;	1930	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1931	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1932	next unless /^$PATH_SEP/o;
1093		1933
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1934	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1935	}
1096		1936
1097	\@paths	1937	\@paths
1098	}	1938	}
1099		1939
		1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1941
		1942	Expand deliantra pod fragments into protocol xml.
		1943
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1944	=item $player->ext_msg ($type, @msg)
1101		1945
1102	Sends an ext reply to the player.	1946	Sends an ext event to the client.
1103		1947
1104	=cut	1948	=cut
1105		1949
1106	sub ext_reply($$$%) {	1950	sub ext_msg($$@) {
1107	my ($self, $id, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1108		1952
1109	$msg{msgid} = $id;	1953	$self->ns->ext_msg ($type, @msg);
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1954	}
1113		1955
1114	package cf;	1956	=head3 cf::region
		1957
		1958	=over 4
		1959
		1960	=cut
		1961
		1962	package cf::region;
		1963
		1964	=item cf::region::find_by_path $path
		1965
		1966	Tries to decuce the likely region for a map knowing only its path.
		1967
		1968	=cut
		1969
		1970	sub find_by_path($) {
		1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
		1975	my ($match, $specificity);
		1976
		1977	for my $region (list) {
		1978	if ($region->{match} && $path =~ $region->{match}) {
		1979	($match, $specificity) = ($region, $region->specificity)
		1980	if $region->specificity > $specificity;
		1981	}
		1982	}
		1983
		1984	$match
		1985	}
1115		1986
1116	=back	1987	=back
1117
1118		1988
1119	=head3 cf::map	1989	=head3 cf::map
1120		1990
1121	=over 4	1991	=over 4
1122		1992
…		…
1134	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1136		2006
1137	sub generate_random_map {	2007	sub generate_random_map {
1138	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1140	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	2013	}
1154		2014
1155	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1156		2016
1157	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1162		2022
1163	sub register {	2023	sub register {
1164	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	2025	my $pkg = caller;
1166		2026
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		2028
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	2030	}
1172		2031
1173	# also paths starting with '/'	2032	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		2034
1176	sub thawer_merge {	2035	sub thawer_merge {
1177	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1178		2037
1179	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1180	local $self->{path};	2039	local $self->{path};
1181	local $self->{load_path};	2040	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		2041
1185	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1186	}	2043	}
1187		2044
1188	sub normalise {	2045	sub normalise {
1189	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1190		2047
1191	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1192		2049
1193	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1194		2051
1195	# map plan:	2052	# map plan:
1196	#	2053	#
…		…
1211	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	2069	$path = "$base/$path";
1213	}	2070	}
1214		2071
1215	for ($path) {	2072	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1219	}	2075	}
1220		2076
1221	$path	2077	$path
…		…
1235	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1236	return $self;	2092	return $self;
1237	}	2093	}
1238	}	2094	}
1239		2095
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	2097	()
1242	}	2098	}
1243		2099
		2100	# may re-bless or do other evil things
1244	sub init {	2101	sub init {
1245	my ($self) = @_;	2102	my ($self) = @_;
1246		2103
1247	$self	2104	$self
1248	}	2105	}
…		…
1260		2117
1261	# the original (read-only) location	2118	# the original (read-only) location
1262	sub load_path {	2119	sub load_path {
1263	my ($self) = @_;	2120	my ($self) = @_;
1264		2121
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2122	"$MAPDIR/$self->{path}.map"
1266	}	2123	}
1267		2124
1268	# the temporary/swap location	2125	# the temporary/swap location
1269	sub save_path {	2126	sub save_path {
1270	my ($self) = @_;	2127	my ($self) = @_;
1271		2128
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2130	"$TMPDIR/$path.map"
1274	}	2131	}
1275		2132
1276	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1277	sub uniq_path {	2134	sub uniq_path {
1278	my ($self) = @_;	2135	my ($self) = @_;
1279		2136
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2138	"$UNIQUEDIR/$path"
1282	}	2139	}
1283		2140
1284	# and all this just because we cannot iterate over	2141	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	2142	my ($self) = @_;
1288		2143
1289	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1291	}	2147	}
1292		2148
1293	sub unlink_save {	2149	sub unlink_save {
1294	my ($self) = @_;	2150	my ($self) = @_;
1295		2151
1296	utf8::encode (my $save = $self->save_path);	2152	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2153	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2154	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2155	}
1305		2156
1306	sub load_header_from($) {	2157	sub load_header_from($) {
1307	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1308		2159
1309	utf8::encode $path;	2160	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2162	or return;
1315		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1316	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1317		2171
1318	1	2172	1
1319	}	2173	}
1320		2174
		2175	# used to laod the header of an original map
1321	sub load_header_orig {	2176	sub load_header_orig {
1322	my ($self) = @_;	2177	my ($self) = @_;
1323		2178
1324	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1325	}	2180	}
1326		2181
		2182	# used to laod the header of an instantiated map
1327	sub load_header_temp {	2183	sub load_header_temp {
1328	my ($self) = @_;	2184	my ($self) = @_;
1329		2185
1330	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1331	}	2187	}
1332		2188
		2189	# called after loading the header from an instantiated map
1333	sub prepare_temp {	2190	sub prepare_temp {
1334	my ($self) = @_;	2191	my ($self) = @_;
1335		2192
1336	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1337	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1338	# safety	2195	# safety
1339	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1340	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1341	}	2198	}
1342		2199
		2200	# called after loading the header from an original map
1343	sub prepare_orig {	2201	sub prepare_orig {
1344	my ($self) = @_;	2202	my ($self) = @_;
1345		2203
1346	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1347	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1358	$self->load_header_orig	2216	$self->load_header_orig
1359	or return;	2217	or return;
1360	$self->prepare_orig;	2218	$self->prepare_orig;
1361	}	2219	}
1362		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
		2224	$self->default_region (cf::region::find_by_path $self->{path})
		2225	unless $self->default_region;
		2226
1363	1	2227	1
1364	}	2228	}
1365		2229
1366	sub find;	2230	sub find;
1367	sub find {	2231	sub find {
1368	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1369		2233
		2234	cf::cede_to_tick;
		2235
1370	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1371		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2240
1374	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1377	or return;	2243	or return;
1378		2244
1379	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1380		2246
1381	$map->load_header	2247	$map->load_header
1382	or return;	2248	or return;
1383		2249
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1387	$map->reset;	2255	$map->reset;
1388	undef $guard;
1389	return find $path;	2256	return find $path;
1390	}	2257	}
1391		2258
1392	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1393	}	2260	}
1394	}	2261	}
1395		2262
1396	sub pre_load { }	2263	sub pre_load { }
1397	sub post_load { }	2264	#sub post_load { } # XS
1398		2265
1399	sub load {	2266	sub load {
1400	my ($self) = @_;	2267	my ($self) = @_;
1401		2268
1402	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1403		2270
1404	my $path = $self->{path};	2271	my $path = $self->{path};
		2272
		2273	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1406		2275
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2276	return unless $self->valid;
		2277	return unless $self->state == cf::MAP_SWAPPED;
1408		2278
1409	$self->in_memory (cf::MAP_LOADING);
1410
1411	$self->alloc;	2279	$self->alloc;
1412		2280
1413	$self->pre_load;	2281	$self->pre_load;
		2282	cf::cede_to_tick;
1414		2283
1415	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1416	or return;	2288	or return;
1417		2289
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1419	if delete $self->{load_original};	2291	if delete $self->{load_original};
1420		2292
1421	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2294	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2297	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1426	}	2302	}
1427	}
1428		2303
1429	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
1430		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1431	# now do the right thing for maps	2313	# now do the right thing for maps
1432	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2316	unless $self->difficulty;
1442	Coro::cede;	2317	cf::cede_to_tick;
1443	$self->activate;	2318
		2319	unless ($self->{deny_activate}) {
		2320	$self->decay_objects;
		2321	$self->fix_auto_apply;
		2322	$self->update_buttons;
		2323	cf::cede_to_tick;
		2324	#$self->activate; # no longer activate maps automatically
		2325	}
		2326
		2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1444	}	2329	}
1445		2330
1446	$self->post_load;	2331	$self->post_load;
1447		2332
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2333	1
1449	}	2334	}
1450		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2339	sub customise_for {
1452	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1453		2341
1454	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2343	if $self->per_player;
1456		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1457	$self	2348	$self
1458	}
1459
1460	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {
1462	my ($map) = @_;
1463
1464	my @diag; # diagonal neighbours
1465
1466	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)
1468	or next;
1469	$neigh = find $neigh, $map
1470	or next;
1471	$neigh->load;
1472
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}
1476
1477	for (@diag) {
1478	my $neigh = find @$_
1479	or next;
1480	$neigh->load;
1481	}
1482	}	2349	}
1483		2350
1484	sub find_sync {	2351	sub find_sync {
1485	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1486		2353
1487	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1488	}	2359	}
1489		2360
1490	sub do_load_sync {	2361	sub do_load_sync {
1491	my ($map) = @_;	2362	my ($map) = @_;
1492		2363
1493	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1494	}	2369	}
1495		2370
1496	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1498		2373
1499	sub find_async {	2374	sub find_async {
1500	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1501		2376
1502	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1503		2378
1504	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1506	}	2381	}
1507		2382
1508	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1509	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1510	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2390	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2391	$map->load if $v;
		2392	}
1515		2393
1516	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1517	}	2395	}
1518	}	2396	}
1519	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1520	};	2398	};
1521	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1522		2400
1523	()	2401	()
1524	}	2402	}
1525		2403
		2404	# common code, used by both ->save and ->swapout
1526	sub save {	2405	sub _save {
1527	my ($self) = @_;	2406	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2407
1531	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1532		2409
1533	return unless $self->dirty;	2410	return unless $self->dirty;
1534		2411
…		…
1540	return if $self->{deny_save};	2417	return if $self->{deny_save};
1541		2418
1542	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1543		2420
1544	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1546	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1547		2427
1548	if ($uniq) {	2428	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2431	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2433	}
1554	}	2434	}
1555		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1556	sub swap_out {	2444	sub swap_out {
1557	my ($self) = @_;	2445	my ($self) = @_;
1558		2446
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1564	return if $self->players;	2451	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1568	$self->clear;	2462	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2463	}
1571		2464
1572	sub reset_at {	2465	sub reset_at {
1573	my ($self) = @_;	2466	my ($self) = @_;
1574		2467
1575	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1578		2470
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2473
…		…
1592	my ($self) = @_;	2484	my ($self) = @_;
1593		2485
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2487
1596	return if $self->players;	2488	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2489
1599	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
		2491
		2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
1600		2501
1601	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1602		2503
1603	$self->in_memory (cf::MAP_SWAPPED);	2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2506	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2507
1608	$self->unlink_save;	2508	$self->unlink_save;
1609	$self->destroy;	2509	$self->destroy;
1610	}	2510	}
1611		2511
1612	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1613		2513
1614	sub nuke {	2514	sub nuke {
1615	my ($self) = @_;	2515	my ($self) = @_;
1616		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1617	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1618		2521
1619	$self->unlink_save;	2522	$self->unlink_save;
1620		2523
1621	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2529
1627	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1628		2532
1629	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1630	}	2570	}
1631		2571
1632	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1633		2573
1634	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2575	instantiated unique items. May block.
1636		2576
1637	=cut	2577	=cut
1638		2578
1639	sub unique_maps() {	2579	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2580	[
1641	or return;	2581	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2582	utf8::decode $_;
1647	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2585	? ()
1650	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2588	]
1652
1653	\@paths
1654	}	2589	}
1655		2590
1656	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1657		2622
1658	=back	2623	=back
1659		2624
1660	=head3 cf::object	2625	=head3 cf::object
1661		2626
…		…
1665		2630
1666	=over 4	2631	=over 4
1667		2632
1668	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1669		2634
1670	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1671		2637
1672	=cut	2638	=cut
1673		2639
1674	sub inv_recursive_;	2640	sub inv_recursive_;
1675	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1678		2644
1679	sub inv_recursive {	2645	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1681	}	2647	}
1682		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1683	package cf;	2677	package cf;
1684		2678
1685	=back	2679	=back
1686		2680
1687	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1696		2690
1697	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1698		2706
1699	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2708	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1704		2712
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2714
1707	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1709	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1712	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1713	}	2740	}
1714		2741
1715	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1716		2743
1717	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1730		2757
1731	=item $player_object->enter_link	2758	=item $player_object->enter_link
1732		2759
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2761
1735	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1737		2766
1738	Will never block.	2767	Will never block.
1739		2768
1740	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1741		2770
…		…
1761	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2791	my ($self) = @_;
1763		2792
1764	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1765		2794
		2795	++$self->{_link_recursion};
		2796
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2798
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1770		2801
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2803	}
1773		2804
1774	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1776		2809
1777	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1778		2811
1779	unless ($map) {	2812	unless ($map) {
1780	# restore original map position	2813	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1793		2826
1794	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1797		2830
1798	$map->load;	2831	$map->load;
1799	$map->load_diag;
1800		2832
1801	return unless $self->contr->active;	2833	return unless $self->contr->active;
		2834
		2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2836	if ($self->enter_map ($map, $x, $y)) {
		2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2840	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2841	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2842
1820	# try to abort aborted map switching on player login :)	2843	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2844
1838	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2846
		2847	Moves the player to the given map-path and coordinates by first freezing
		2848	her, loading and preparing them map, calling the provided $check callback
		2849	that has to return the map if sucecssful, and then unfreezes the player on
		2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
1840	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1841		2859
1842	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
		2869	# do generation counting so two concurrent goto's will be executed in-order
		2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2871
1845	$self->enter_link;	2872	$self->enter_link;
1846		2873
1847	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1848	my $map = eval {	2896	my $map = eval {
1849	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2900	$map = $map->customise_for ($self);
		2901	$map = $check->($map, $x, $y, $self) if $check && $map;
		2902	} else {
		2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2904	}
		2905
1851	$map	2906	$map
		2907	};
		2908
		2909	if ($@) {
		2910	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2911	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2912	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1856	})->prio (1);	2920	})->prio (1);
1857	}	2921	}
1858		2922
1859	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1860		2924
…		…
1880	}	2944	}
1881		2945
1882	sub prepare_random_map {	2946	sub prepare_random_map {
1883	my ($exit) = @_;	2947	my ($exit) = @_;
1884		2948
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2951	# that depends on the exit object
1890		2952
1891	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2955	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
1898	}	2962	}
1899		2963
1900	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
1901		2965
1902	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
1905		2969
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2972	undef $fh;
1909	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
1910		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
1913	}	2981	}
1914	}	2982	}
1915		2983
1916	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
1918		2986
1919	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
1920		2988
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2989	$self->enter_link;
1931		2990
1932	(async {	2991	(async {
1933	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
1934	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
1935	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
1936		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
1937	1;	3030	1
1938	}) {	3031	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
1943		3036
1944	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	3038	$self->leave_link;
1946	}	3039	}
1947	})->prio (1);	3040	})->prio (1);
1948	}	3041	}
1949		3042
…		…
1960		3053
1961	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
1963		3056
1964	utf8::encode $text;	3057	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3058	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	3059	}
1967		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
		3084	}
		3085
		3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3087
		3088	Send a drawinfo or msg packet to the client, formatting the msg for the
		3089	client if neccessary. C<$type> should be a string identifying the type of
		3090	the message, with C<log> being the default. If C<$color> is negative, suppress
		3091	the message unless the client supports the msg packet.
		3092
		3093	=cut
		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/say" => $SAY_CHANNEL,
		3206	"c/chat" => $CHAT_CHANNEL,
		3207	);
		3208
		3209	sub cf::client::send_msg {
		3210	my ($self, $channel, $msg, $color, @extra) = @_;
		3211
		3212	$msg = $self->pl->expand_cfpod ($msg)
		3213	unless $color & cf::NDI_VERBATIM;
		3214
		3215	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3216
		3217	# check predefined channels, for the benefit of C
		3218	if ($CHANNEL{$channel}) {
		3219	$channel = $CHANNEL{$channel};
		3220
		3221	$self->ext_msg (channel_info => $channel);
		3222	$channel = $channel->{id};
		3223
		3224	} elsif (ref $channel) {
		3225	# send meta info to client, if not yet sent
		3226	unless (exists $self->{channel}{$channel->{id}}) {
		3227	$self->{channel}{$channel->{id}} = $channel;
		3228	$self->ext_msg (channel_info => $channel);
		3229	}
		3230
		3231	$channel = $channel->{id};
		3232	}
		3233
		3234	return unless @extra || length $msg;
		3235
		3236	# default colour, mask it out
		3237	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3238	if $color & cf::NDI_DEF;
		3239
		3240	my $pkt = "msg "
		3241	. $self->{json_coder}->encode (
		3242	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3243	);
		3244
		3245	$self->send_big_packet ($pkt);
		3246	}
		3247
		3248	=item $client->ext_msg ($type, @msg)
		3249
		3250	Sends an ext event to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_msg($$@) {
		3255	my ($self, $type, @msg) = @_;
		3256
		3257	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3258	}
1968		3259
1969	=item $success = $client->query ($flags, "text", \&cb)	3260	=item $success = $client->query ($flags, "text", \&cb)
1970		3261
1971	Queues a query to the client, calling the given callback with	3262	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3263	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3264	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3265
1975	Queries can fail, so check the return code. Or don't, as queries will become	3266	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3267	become reliable at some point in the future.
1977		3268
1978	=cut	3269	=cut
1979		3270
1980	sub cf::client::query {	3271	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3272	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3280	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3281	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3282
1992	$self->send_packet ($self->{query_queue}[0][0])	3283	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3284	if @{ $self->{query_queue} } == 1;
		3285
		3286	1
1994	}	3287	}
1995		3288
1996	cf::client->attach (	3289	cf::client->attach (
		3290	on_connect => sub {
		3291	my ($ns) = @_;
		3292
		3293	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3294	},
1997	on_reply => sub {	3295	on_reply => sub {
1998	my ($ns, $msg) = @_;	3296	my ($ns, $msg) = @_;
1999		3297
2000	# this weird shuffling is so that direct followup queries	3298	# this weird shuffling is so that direct followup queries
2001	# get handled first	3299	# get handled first
2002	my $queue = delete $ns->{query_queue}	3300	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3301	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3302
2005	(shift @$queue)->[1]->($msg);	3303	(shift @$queue)->[1]->($msg);
		3304	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3305
2007	push @{ $ns->{query_queue} }, @$queue;	3306	push @{ $ns->{query_queue} }, @$queue;
2008		3307
2009	if (@{ $ns->{query_queue} } == @$queue) {	3308	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3309	if (@$queue) {
…		…
2012	} else {	3311	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3312	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3313	}
2015	}	3314	}
2016	},	3315	},
		3316	on_exticmd => sub {
		3317	my ($ns, $buf) = @_;
		3318
		3319	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3320
		3321	if (ref $msg) {
		3322	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3323
		3324	if (my $cb = $EXTIACMD{$type}) {
		3325	$cb->(
		3326	$ns,
		3327	sub {
		3328	$ns->ext_msg ("reply-$reply", @_)
		3329	if $reply;
		3330	},
		3331	@payload
		3332	);
		3333	} else {
		3334	my @reply;
		3335
		3336	if (my $cb = $EXTICMD{$type}) {
		3337	@reply = $cb->($ns, @payload);
		3338	}
		3339
		3340	$ns->ext_msg ("reply-$reply", @reply)
		3341	if $reply;
		3342	}
		3343	} else {
		3344	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3345	}
		3346
		3347	cf::override;
		3348	},
2017	);	3349	);
2018		3350
2019	=item $client->async (\&cb)	3351	=item $client->async (\&cb)
2020		3352
2021	Create a new coroutine, running the specified callback. The coroutine will	3353	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3369
2038	$coro	3370	$coro
2039	}	3371	}
2040		3372
2041	cf::client->attach (	3373	cf::client->attach (
2042	on_destroy => sub {	3374	on_client_destroy => sub {
2043	my ($ns) = @_;	3375	my ($ns) = @_;
2044		3376
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3377	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3378	},
2047	);	3379	);
…		…
2062	our $safe = new Safe "safe";	3394	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3395	our $safe_hole = new Safe::Hole;
2064		3396
2065	$SIG{FPE} = 'IGNORE';	3397	$SIG{FPE} = 'IGNORE';
2066		3398
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3399	$safe->permit_only (Opcode::opset qw(
		3400	:base_core :base_mem :base_orig :base_math :base_loop
		3401	grepstart grepwhile mapstart mapwhile
		3402	sort time
		3403	));
2068		3404
2069	# here we export the classes and methods available to script code	3405	# here we export the classes and methods available to script code
2070		3406
2071	=pod	3407	=pod
2072		3408
2073	The following fucntions and emthods are available within a safe environment:	3409	The following functions and methods are available within a safe environment:
2074		3410
2075	cf::object contr pay_amount pay_player map	3411	cf::object
		3412	contr pay_amount pay_player map x y force_find force_add destroy
		3413	insert remove name archname title slaying race decrease split
		3414	value
		3415
2076	cf::object::player player	3416	cf::object::player
2077	cf::player peaceful	3417	player
2078	cf::map trigger	3418
		3419	cf::player
		3420	peaceful
		3421
		3422	cf::map
		3423	trigger
2079		3424
2080	=cut	3425	=cut
2081		3426
2082	for (	3427	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3428	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3429	insert remove inv nrof name archname title slaying race
		3430	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3431	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3432	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3433	["cf::map" => qw(trigger)],
2087	) {	3434	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3435	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3436	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3437	for @funs;
2092	}	3438	}
2093		3439
…		…
2108		3454
2109	my $qcode = $code;	3455	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3456	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3457	$qcode =~ s/\n/\\n/g;
2112		3458
		3459	%vars = (_dummy => 0) unless %vars;
		3460
		3461	my @res;
2113	local $_;	3462	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3463
2116	my $eval =	3464	my $eval =
2117	"do {\n"	3465	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3466	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3467	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3468	. $code
2121	. "\n}"	3469	. "\n}"
2122	;	3470	;
2123		3471
		3472	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3473	sub_generation_inc;
		3474	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3475	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3476	sub_generation_inc;
		3477	} else {
		3478	local @cf::_safe_eval_args = values %vars;
		3479	@res = wantarray ? eval eval : scalar eval $eval;
		3480	}
2127		3481
2128	if ($@) {	3482	if ($@) {
2129	warn "$@";	3483	warn "$@",
2130	warn "while executing safe code '$code'\n";	3484	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3485	"with arguments " . (join " ", %vars) . "\n";
2132	}	3486	}
2133		3487
2134	wantarray ? @res : $res[0]	3488	wantarray ? @res : $res[0]
2135	}	3489	}
2136		3490
…		…
2150	=cut	3504	=cut
2151		3505
2152	sub register_script_function {	3506	sub register_script_function {
2153	my ($fun, $cb) = @_;	3507	my ($fun, $cb) = @_;
2154		3508
2155	no strict 'refs';	3509	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3510	*$fun = $safe_hole->wrap ($cb);
2157	}	3511	}
2158		3512
2159	=back	3513	=back
2160		3514
2161	=cut	3515	=cut
2162		3516
2163	#############################################################################	3517	#############################################################################
2164		3518	# the server's init and main functions
2165	=head2 EXTENSION DATABASE SUPPORT
2166
2167	Crossfire maintains a very simple database for extension use. It can
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170
2171	The parameter C<$family> should best start with the name of the extension
2172	using it, it should be unique.
2173
2174	=over 4
2175
2176	=item $hashref = cf::db_get $family
2177
2178	Return a hashref for use by the extension C<$family>, which can be
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181
2182	=item $value = cf::db_get $family => $key
2183
2184	Returns a single value from the database
2185
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207		3519
2208	{	3520	{
2209	my $path = cf::localdir . "/database.pst";	3521	package cf::face;
2210		3522
2211	sub db_load() {	3523	our %HASH; # hash => idx
2212	$DB = stat $path ? Storable::retrieve $path : { };	3524	our @DATA; # dynamically-created facedata, only faceste 0 used
2213	}	3525	our @FOFS; # file offset, if > 0
		3526	our @SIZE; # size of face, in octets
		3527	our @META; # meta hash of face, if any
		3528	our $DATAFH; # facedata filehandle
2214		3529
2215	my $pid;	3530	# internal api, not finalised
		3531	sub set {
		3532	my ($name, $type, $data) = @_;
2216		3533
2217	sub db_save() {	3534	my $idx = cf::face::find $name;
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}
2226		3535
2227	my $dirty;	3536	if ($idx) {
2228		3537	delete $HASH{cf::face::get_chksum $idx};
2229	sub db_sync() {
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {	3538	} else {
2258	$DB->{$_[0]} = $_[1];	3539	$idx = cf::face::alloc $name;
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3540	}
		3541
		3542	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3543
		3544	cf::face::set_type $idx, $type;
		3545	cf::face::set_csum $idx, 0, $hash;
		3546
		3547	# we need to destroy the SV itself, not just modify it, as a running ix
		3548	# might hold a reference to it: "delete" achieves that.
		3549	delete $FOFS[0][$idx];
		3550	delete $DATA[0][$idx];
		3551	$DATA[0][$idx] = $data;
		3552	$SIZE[0][$idx] = length $data;
		3553	delete $META[$idx];
		3554	$HASH{$hash} = $idx;#d#
		3555
		3556	$idx
		3557	}
		3558
		3559	sub _get_data($$$) {
		3560	my ($idx, $set, $cb) = @_;
		3561
		3562	if (defined $DATA[$set][$idx]) {
		3563	$cb->($DATA[$set][$idx]);
		3564	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3565	my $size = $SIZE[$set][$idx];
		3566	my $buf;
		3567	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3568	if ($_[0] == $size) {
		3569	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3570	$cb->($buf);
		3571	} else {
		3572	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3573	}
		3574	};
		3575	} else {
		3576	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3577	}
		3578	}
		3579
		3580	# rather ineffient
		3581	sub cf::face::get_data($;$) {
		3582	my ($idx, $set) = @_;
		3583
		3584	_get_data $idx, $set, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $set, $idx, $pri) = @_;
		3590
		3591	_get_data $idx, $set, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595	}
		3596
		3597	sub load_facedata($) {
		3598	my ($path) = @_;
		3599
		3600	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3601
		3602	trace "loading facedata from $path\n";
		3603
		3604	my $facedata = decode_storable load_file "$path/faceinfo";
		3605
		3606	$facedata->{version} == 2
		3607	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3608
		3609	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3610	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3611
		3612	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3613
		3614	# BEGIN ATOMIC
		3615	# from here on, everything must be atomic - no thread switch allowed
		3616	my $t1 = EV::time;
		3617
		3618	{
		3619	my $faces = $facedata->{faceinfo};
		3620
		3621	for my $face (sort keys %$faces) {
		3622	my $info = $faces->{$face};
		3623	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3624
		3625	cf::face::set_visibility $idx, $info->{visibility};
		3626	cf::face::set_magicmap $idx, $info->{magicmap};
		3627	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
		3628	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3629	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3630	$cf::face::HASH{$info->{hash64}} = $idx;
		3631	delete $cf::face::META[$idx];
		3632	}
		3633
		3634	while (my ($face, $info) = each %$faces) {
		3635	next unless $info->{smooth};
		3636
		3637	my $idx = cf::face::find $face
		3638	or next;
		3639
		3640	if (my $smooth = cf::face::find $info->{smooth}) {
		3641	cf::face::set_smooth $idx, $smooth;
		3642	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3643	} else {
		3644	error "smooth face '$info->{smooth}' not found for face '$face'";
		3645	}
		3646	}
		3647	}
		3648
		3649	{
		3650	my $anims = $facedata->{animinfo};
		3651
		3652	while (my ($anim, $info) = each %$anims) {
		3653	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3654	}
		3655
		3656	cf::anim::invalidate_all; # d'oh
		3657	}
		3658
		3659	{
		3660	my $res = $facedata->{resource};
		3661
		3662	while (my ($name, $info) = each %$res) {
		3663	if (defined (my $type = $info->{type})) {
		3664	# TODO: different hash - must free and use new index, or cache ixface data queue
		3665	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3666
		3667	cf::face::set_type $idx, $type;
		3668	cf::face::set_csum $idx, 0, $info->{hash};
		3669	$cf::face::SIZE[0][$idx] = $info->{size};
		3670	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3671	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3672	$cf::face::HASH{$info->{hash}} = $idx;
		3673	} else {
		3674	# $RESOURCE{$name} = $info; # unused
		3675	}
		3676	}
		3677	}
		3678
		3679	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3680
		3681	# HACK to clear player env face cache, we need some signal framework
		3682	# for this (global event?)
		3683	%ext::player_env::MUSIC_FACE_CACHE = ();
		3684
		3685	# END ATOMIC
		3686
		3687	cf::debug "facedata atomic update time ", EV::time - $t1;
		3688
		3689	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3690
		3691	aio_close $fh if $fh; # close old facedata
		3692
		3693	1
		3694	}
		3695
		3696	register_exticmd fx_want => sub {
		3697	my ($ns, $want) = @_;
		3698
		3699	while (my ($k, $v) = each %$want) {
		3700	$ns->fx_want ($k, $v);
		3701	}
		3702	};
		3703
		3704	sub load_resource_file($) {
		3705	my $guard = lock_acquire "load_resource_file";
		3706
		3707	my $status = load_resource_file_ $_[0];
		3708	get_slot 0.1, 100;
		3709	cf::arch::commit_load;
		3710
		3711	$status
		3712	}
		3713
		3714	sub reload_exp_table {
		3715	_reload_exp_table;
		3716
		3717	cf::face::set
		3718	"res/exp_table" => FT_RSRC,
		3719	JSON::XS->new->utf8->canonical->encode (
		3720	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
2268	);	3721	);
2269	}	3722	}
2270		3723
2271	#############################################################################	3724	sub reload_materials {
2272	# the server's main()	3725	_reload_materials;
		3726	}
2273		3727
2274	sub cfg_load {	3728	sub reload_regions {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3729	# HACK to clear player env face cache, we need some signal framework
2276	or return;	3730	# for this (global event?)
		3731	%ext::player_env::MUSIC_FACE_CACHE = ();
2277		3732
2278	local $/;	3733	load_resource_file "$MAPDIR/regions"
2279	*CFG = YAML::Syck::Load <$fh>;	3734	or die "unable to load regions file\n";
2280		3735
		3736	for (cf::region::list) {
		3737	$_->{match} = qr/$_->{match}/
		3738	if exists $_->{match};
		3739	}
		3740	}
		3741
		3742	sub reload_facedata {
		3743	load_facedata $DATADIR
		3744	or die "unable to load facedata\n";
		3745	}
		3746
		3747	sub reload_archetypes {
		3748	load_resource_file "$DATADIR/archetypes"
		3749	or die "unable to load archetypes\n";
		3750
		3751	cf::face::set
		3752	"res/skill_info" => FT_RSRC,
		3753	JSON::XS->new->utf8->canonical->encode (
		3754	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3755	);
		3756
		3757	cf::face::set
		3758	"res/spell_paths" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3761	);
		3762	}
		3763
		3764	sub reload_treasures {
		3765	load_resource_file "$DATADIR/treasures"
		3766	or die "unable to load treasurelists\n";
		3767	}
		3768
		3769	sub reload_sound {
		3770	trace "loading sound config from $DATADIR/sound\n";
		3771
		3772	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3773
		3774	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3775	my $sound = $soundconf->{compat}[$_]
		3776	or next;
		3777
		3778	my $face = cf::face::find "sound/$sound->[1]";
		3779	cf::sound::set $sound->[0] => $face;
		3780	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3781	}
		3782
		3783	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3784	my $face = cf::face::find "sound/$v";
		3785	cf::sound::set $k => $face;
		3786	}
		3787	}
		3788
		3789	sub reload_resources {
		3790	trace "reloading resource files...\n";
		3791
		3792	reload_materials;
		3793	reload_facedata;
		3794	reload_exp_table;
		3795	reload_sound;
		3796	reload_archetypes;
		3797	reload_regions;
		3798	reload_treasures;
		3799
		3800	trace "finished reloading resource files\n";
		3801	}
		3802
		3803	sub reload_config {
		3804	trace "reloading config file...\n";
		3805
		3806	my $config = load_file "$CONFDIR/config";
		3807	utf8::decode $config;
		3808	*CFG = decode_yaml $config;
		3809
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3810	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3811
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3812	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3813	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3814
2286	if (exists $CFG{mlockall}) {	3815	if (exists $CFG{mlockall}) {
…		…
2290	};	3819	};
2291	warn $@ if $@;	3820	warn $@ if $@;
2292	}	3821	}
2293	}	3822	}
2294		3823
		3824	sub pidfile() {
		3825	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3826	or die "$PIDFILE: $!";
		3827	flock $fh, &Fcntl::LOCK_EX
		3828	or die "$PIDFILE: flock: $!";
		3829	$fh
		3830	}
		3831
		3832	# make sure only one server instance is running at any one time
		3833	sub atomic {
		3834	my $fh = pidfile;
		3835
		3836	my $pid = <$fh>;
		3837	kill 9, $pid if $pid > 0;
		3838
		3839	seek $fh, 0, 0;
		3840	print $fh $$;
		3841	}
		3842
		3843	sub main_loop {
		3844	trace "EV::loop starting\n";
		3845	if (1) {
		3846	EV::loop;
		3847	}
		3848	trace "EV::loop returned\n";
		3849	goto &main_loop unless $REALLY_UNLOOP;
		3850	}
		3851
2295	sub main {	3852	sub main {
		3853	cf::init_globals; # initialise logging
		3854
		3855	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3856	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3857	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3858	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3859
		3860	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3861
2296	# we must not ever block the main coroutine	3862	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3863	$Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3864	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3865	(async {
2300	Event::one_event;	3866	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3867	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3868	})->prio (Coro::PRIO_MAX);
2302	};	3869	};
2303		3870
2304	cfg_load;	3871	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3872
		3873	cf::sync_job {
		3874	cf::incloader::init ();
		3875
		3876	db_init;
		3877
		3878	cf::init_anim;
		3879	cf::init_attackmess;
		3880	cf::init_dynamic;
		3881
		3882	cf::load_settings;
		3883
		3884	reload_resources;
		3885	reload_config;
		3886
		3887	cf::init_uuid;
		3888	cf::init_signals;
		3889	cf::init_skills;
		3890
		3891	cf::init_beforeplay;
		3892
		3893	atomic;
		3894
2306	load_extensions;	3895	load_extensions;
2307		3896
2308	$TICK_WATCHER->start;	3897	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3898
		3899	# no (long-running) fork's whatsoever before this point(!)
		3900	use POSIX ();
		3901	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3902
		3903	cf::_post_init 0;
		3904	};
		3905
		3906	cf::object::thawer::errors_are_fatal 0;
		3907	info "parse errors in files are no longer fatal from this point on.\n";
		3908
		3909	AE::postpone {
		3910	undef &main; # free gobs of memory :)
		3911	};
		3912
		3913	goto &main_loop;
2310	}	3914	}
2311		3915
2312	#############################################################################	3916	#############################################################################
2313	# initialisation and cleanup	3917	# initialisation and cleanup
2314		3918
2315	# install some emergency cleanup handlers	3919	# install some emergency cleanup handlers
2316	BEGIN {	3920	BEGIN {
		3921	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3922	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3923	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3924	cf::cleanup "SIG$signal";
2325	},
2326	);	3925	};
		3926	}
		3927	}
		3928
		3929	sub write_runtime_sync {
		3930	my $t0 = AE::time;
		3931
		3932	# first touch the runtime file to show we are still running:
		3933	# the fsync below can take a very very long time.
		3934
		3935	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3936
		3937	my $guard = cf::lock_acquire "write_runtime";
		3938
		3939	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3940	or return;
		3941
		3942	my $value = $cf::RUNTIME + 90 + 10;
		3943	# 10 is the runtime save interval, for a monotonic clock
		3944	# 60 allows for the watchdog to kill the server.
		3945
		3946	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3947	and return;
		3948
		3949	# always fsync - this file is important
		3950	aio_fsync $fh
		3951	and return;
		3952
		3953	# touch it again to show we are up-to-date
		3954	aio_utime $fh, undef, undef;
		3955
		3956	close $fh
		3957	or return;
		3958
		3959	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3960	and return;
		3961
		3962	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3963
2327	}	3964	1
		3965	}
		3966
		3967	our $uuid_lock;
		3968	our $uuid_skip;
		3969
		3970	sub write_uuid_sync($) {
		3971	$uuid_skip ||= $_[0];
		3972
		3973	return if $uuid_lock;
		3974	local $uuid_lock = 1;
		3975
		3976	my $uuid = "$LOCALDIR/uuid";
		3977
		3978	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3979	or return;
		3980
		3981	my $value = uuid_seq uuid_cur;
		3982
		3983	unless ($value) {
		3984	info "cowardly refusing to write zero uuid value!\n";
		3985	return;
		3986	}
		3987
		3988	my $value = uuid_str $value + $uuid_skip;
		3989	$uuid_skip = 0;
		3990
		3991	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3992	and return;
		3993
		3994	# always fsync - this file is important
		3995	aio_fsync $fh
		3996	and return;
		3997
		3998	close $fh
		3999	or return;
		4000
		4001	aio_rename "$uuid~", $uuid
		4002	and return;
		4003
		4004	trace "uuid file written ($value).\n";
		4005
		4006	1
		4007
		4008	}
		4009
		4010	sub write_uuid($$) {
		4011	my ($skip, $sync) = @_;
		4012
		4013	$sync ? write_uuid_sync $skip
		4014	: async { write_uuid_sync $skip };
2328	}	4015	}
2329		4016
2330	sub emergency_save() {	4017	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	4018	my $freeze_guard = cf::freeze_mainloop;
2332		4019
2333	warn "enter emergency perl save\n";	4020	info "emergency_perl_save: enter\n";
		4021
		4022	# this is a trade-off: we want to be very quick here, so
		4023	# save all maps without fsync, and later call a global sync
		4024	# (which in turn might be very very slow)
		4025	local $USE_FSYNC = 0;
2334		4026
2335	cf::sync_job {	4027	cf::sync_job {
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
2336	# use a peculiar iteration method to avoid tripping on perl	4030	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	4031	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	4032	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	4033	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	4034	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	4035	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	4036	$pl->valid or next;
		4037	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	4038	$pl->save;
2344	}	4039	}
2345	warn "end emergency player save\n";	4040	info "emergency_perl_save: end player save\n";
2346		4041
2347	warn "begin emergency map save\n";	4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	4045	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	4046	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	4047	$map->valid or next;
2351	$map->save;	4048	$map->save;
2352	}	4049	}
2353	warn "end emergency map save\n";	4050	info "emergency_perl_save: end map save\n";
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	info "emergency_perl_save: begin database checkpoint\n";
		4055	BDB::db_env_txn_checkpoint $DB_ENV;
		4056	info "emergency_perl_save: end database checkpoint\n";
		4057
		4058	info "emergency_perl_save: begin write uuid\n";
		4059	write_uuid_sync 1;
		4060	info "emergency_perl_save: end write uuid\n";
		4061
		4062	cf::write_runtime_sync; # external watchdog should not bark
		4063
		4064	trace "emergency_perl_save: syncing database to disk";
		4065	BDB::db_env_txn_checkpoint $DB_ENV;
		4066
		4067	info "emergency_perl_save: starting sync\n";
		4068	IO::AIO::aio_sync sub {
		4069	info "emergency_perl_save: finished sync\n";
		4070	};
		4071
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	trace "emergency_perl_save: flushing outstanding aio requests";
		4075	while (IO::AIO::nreqs || BDB::nreqs) {
		4076	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4077	}
		4078
		4079	cf::write_runtime_sync; # external watchdog should not bark
2354	};	4080	};
2355		4081
2356	warn "leave emergency perl save\n";	4082	info "emergency_perl_save: leave\n";
2357	}	4083	}
2358		4084
		4085	sub post_cleanup {
		4086	my ($make_core) = @_;
		4087
		4088	IO::AIO::flush;
		4089
		4090	error Carp::longmess "post_cleanup backtrace"
		4091	if $make_core;
		4092
		4093	my $fh = pidfile;
		4094	unlink $PIDFILE if <$fh> == $$;
		4095	}
		4096
		4097	# a safer delete_package, copied from Symbol
		4098	sub clear_package($) {
		4099	my $pkg = shift;
		4100
		4101	# expand to full symbol table name if needed
		4102	unless ($pkg =~ /^main::.*::$/) {
		4103	$pkg = "main$pkg" if $pkg =~ /^::/;
		4104	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4105	$pkg .= '::' unless $pkg =~ /::$/;
		4106	}
		4107
		4108	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4109	my $stem_symtab = *{$stem}{HASH};
		4110
		4111	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4112	or return;
		4113
		4114	# clear all symbols
		4115	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4116	for my $name (keys %$leaf_symtab) {
		4117	_gv_clear *{"$pkg$name"};
		4118	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4119	}
		4120	}
		4121
2359	sub reload() {	4122	sub do_reload_perl() {
2360	# can/must only be called in main	4123	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	4124	unless (in_main) {
2362	warn "can only reload from main coroutine";	4125	error "can only reload from main coroutine";
2363	return;	4126	return;
2364	}	4127	}
2365		4128
2366	warn "reloading...";	4129	return if $RELOAD++;
2367		4130
2368	warn "cancelling server ticker";	4131	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		4132
		4133	while ($RELOAD) {
		4134	cf::get_slot 0.1, -1, "reload_perl";
		4135	info "perl_reload: reloading...";
		4136
		4137	trace "perl_reload: entering sync_job";
		4138
		4139	cf::sync_job {
2371	cf::emergency_save;	4140	#cf::emergency_save;
2372		4141
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	4142	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	4143	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	4144	%EXT_CORO = ();
2395		4145
2396	warn "removing commands";	4146	trace "perl_reload: removing commands";
2397	%COMMAND = ();	4147	%COMMAND = ();
2398		4148
2399	warn "removing ext commands";	4149	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	4150	%EXTCMD = ();
		4151	%EXTICMD = ();
2401		4152
2402	warn "unloading/nuking all extensions";	4153	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	4154	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	4155	trace "... unloading $pkg";
2405		4156
2406	if (my $cb = $pkg->can ("unload")) {	4157	if (my $cb = $pkg->can ("unload")) {
2407	eval {	4158	eval {
2408	$cb->($pkg);	4159	$cb->($pkg);
2409	1	4160	1
2410	} or warn "$pkg unloaded, but with errors: $@";	4161	} or error "$pkg unloaded, but with errors: $@";
		4162	}
		4163
		4164	trace "... clearing $pkg";
		4165	clear_package $pkg;
2411	}	4166	}
2412		4167
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	4168	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	4169	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		4171
2421	warn "... unloading $k";	4172	trace "... unloading $k";
2422	delete $INC{$k};	4173	delete $INC{$k};
2423		4174
2424	$k =~ s/\.pm$//;	4175	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	4176	$k =~ s/\//::/g;
2426		4177
2427	if (my $cb = $k->can ("unload_module")) {	4178	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	4179	$cb->();
		4180	}
		4181
		4182	clear_package $k;
2429	}	4183	}
2430		4184
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	4185	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	4186	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		4188
2438	warn "unloading cf.pm \"a bit\"";	4189	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	4190	delete $INC{"cf.pm"};
		4191	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		4192
2441	# don't, removes xs symbols, too,	4193	# don't, removes xs symbols, too,
2442	# and global variables created in xs	4194	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	4195	#clear_package __PACKAGE__;
2444		4196
2445	warn "unload completed, starting to reload now";	4197	info "perl_reload: unload completed, starting to reload now";
2446		4198
2447	warn "reloading cf.pm";	4199	trace "perl_reload: reloading cf.pm";
2448	require cf;	4200	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4201	cf::_connect_to_perl_1;
2450		4202
2451	warn "loading config and database again";	4203	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	4204	cf::reload_config;
2453	cf::db_load;
2454		4205
2455	warn "loading extensions";	4206	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4207	cf::load_extensions;
2457		4208
		4209	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4210	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4211	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4212	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4213	reattach $_ for values %MAP;
		4214	trace "perl_reload: reattaching attachments to players";
		4215	reattach $_ for values %PLAYER;
		4216	}
2462		4217
2463	warn "restarting server ticker";	4218	cf::_post_init 1;
2464		4219
2465	$TICK_WATCHER->start;	4220	trace "perl_reload: leaving sync_job";
		4221
		4222	1
		4223	} or do {
		4224	error $@;
		4225	cf::cleanup "perl_reload: error, exiting.";
		4226	};
		4227
		4228	--$RELOAD;
		4229	}
		4230
		4231	$t1 = AE::time - $t1;
		4232	info "perl_reload: completed in ${t1}s\n";
		4233	};
		4234
		4235	our $RELOAD_WATCHER; # used only during reload
		4236
		4237	sub reload_perl() {
		4238	# doing reload synchronously and two reloads happen back-to-back,
		4239	# coro crashes during coro_state_free->destroy here.
		4240
		4241	$RELOAD_WATCHER ||= cf::async {
		4242	Coro::AIO::aio_wait cache_extensions;
		4243
		4244	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4245	do_reload_perl;
		4246	undef $RELOAD_WATCHER;
		4247	};
2466	};	4248	};
2467		4249	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4250
2479	register_command "reload" => sub {	4251	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4252	my ($who, $arg) = @_;
2481		4253
2482	if ($who->flag (FLAG_WIZ)) {	4254	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4255	$who->message ("reloading server.");
2484		4256	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4257	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4258	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4259	};
2497	}	4260	}
2498	};	4261	};
2499		4262
2500	unshift @INC, $LIBDIR;	4263	#############################################################################
2501		4264
2502	my $bug_warning = 0;	4265	my $bug_warning = 0;
2503		4266
2504	$TICK_WATCHER = Event->timer (	4267	sub wait_for_tick() {
2505	reentrant => 0,	4268	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2506	parked => 1,	4269
2507	prio => 0,	4270	$WAIT_FOR_TICK->wait;
2508	at => $NEXT_TICK || $TICK,	4271	}
2509	data => WF_AUTOCANCEL,	4272
2510	cb => sub {	4273	sub wait_for_tick_begin() {
		4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4275
		4276	my $signal = new Coro::Signal;
		4277	push @WAIT_FOR_TICK_BEGIN, $signal;
		4278	$signal->wait;
		4279	}
		4280
		4281	sub tick {
2511	if ($Coro::current != $Coro::main) {	4282	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4283	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4284	unless ++$bug_warning > 10;
2514	return;	4285	return;
		4286	}
		4287
		4288	cf::one_tick; # one server iteration
		4289
		4290	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4291
		4292	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4293	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4294	Coro::async_pool {
		4295	$Coro::current->{desc} = "runtime saver";
		4296	write_runtime_sync
		4297	or error "ERROR: unable to write runtime file: $!";
2515	}	4298	};
		4299	}
2516		4300
2517	$NOW = Event::time;	4301	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518		4302	$sig->send;
2519	cf::server_tick; # one server iteration	4303	}
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522
2523	$WAIT_FOR_TICK->broadcast;	4304	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4305
2526	Event::sweep;	4306	$LOAD = ($NOW - $TICK_START) / $TICK;
2527	Coro::cede_notself;	4307	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4308
		4309	if (0) {
		4310	if ($NEXT_TICK) {
		4311	my $jitter = $TICK_START - $NEXT_TICK;
		4312	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4313	debug "jitter $JITTER\n";#d#
2528		4314	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4315	}
2538	);	4316	}
2539		4317
		4318	{
		4319	# configure BDB
		4320	info "initialising database";
		4321
		4322	BDB::min_parallel 16;
		4323	BDB::max_poll_reqs $TICK * 0.1;
		4324	#$AnyEvent::BDB::WATCHER->priority (1);
		4325
		4326	unless ($DB_ENV) {
		4327	$DB_ENV = BDB::db_env_create;
		4328	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4329	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4330	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4331	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4332	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4333
		4334	cf::sync_job {
		4335	eval {
		4336	BDB::db_env_open
		4337	$DB_ENV,
		4338	$BDBDIR,
		4339	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4340	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4341	0666;
		4342
		4343	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4344	};
		4345
		4346	cf::cleanup "db_env_open(db): $@" if $@;
		4347	};
		4348	}
		4349
		4350	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4351	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4352	};
		4353	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4354	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4355	};
		4356	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4357	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4358	};
		4359
		4360	info "database initialised";
		4361	}
		4362
		4363	{
		4364	# configure IO::AIO
		4365
		4366	info "initialising aio";
		4367	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4368	IO::AIO::max_poll_time $TICK * 0.1;
		4369	undef $AnyEvent::AIO::WATCHER;
		4370	info "aio initialised";
		4371	}
2541		4372
2542	undef $Coro::AIO::WATCHER;	4373	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4374	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4375
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4376	sub _log_backtrace {
2553	reentrant => 0,	4377	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4378
2555	after => 1,	4379	$msg =~ s/\n$//;
2556	interval => 10,	4380
2557	prio => 6, # keep it lowest so it acts like a watchdog	4381	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4382	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4383	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4384	# limit the # of concurrent backtraces
		4385	} elsif ($_log_backtrace < 2) {
		4386	$_log_backtrace_last = $msg;
		4387	++$_log_backtrace;
		4388	my $perl_bt = Carp::longmess $msg;
		4389	async {
		4390	$Coro::current->{desc} = "abt $msg";
		4391
		4392	my @bt = fork_call {
		4393	@addr = map { sprintf "%x", $_ } @addr;
		4394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4396	or die "addr2line: $!";
		4397
		4398	my @funcs;
		4399	my @res = <$fh>;
		4400	chomp for @res;
		4401	while (@res) {
		4402	my ($func, $line) = splice @res, 0, 2, ();
		4403	push @funcs, "[$func] $line";
		4404	}
		4405
		4406	@funcs
		4407	};
		4408
		4409	LOG llevInfo, "[ABT] $perl_bt\n";
		4410	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4411	LOG llevInfo, "[ABT] $_\n" for @bt;
		4412	--$_log_backtrace;
		4413	};
		4414	} else {
		4415	LOG llevInfo, "[ABT] $msg\n";
		4416	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4417	}
2562	);	4418	}
		4419
		4420	# load additional modules
		4421	require "cf/$_.pm" for @EXTRA_MODULES;
		4422	cf::_connect_to_perl_2;
2563		4423
2564	END { cf::emergency_save }	4424	END { cf::emergency_save }
2565		4425
2566	1	4426	1
2567		4427

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