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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use IO::AIO ();
		63	use Compress::LZF;
		64	use Digest::MD5 ();
27		65
28	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" };
29		81
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		83
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		85
37	our %COMMAND = ();	86	our %COMMAND = ();
38	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
39		88
40	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
44		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	98	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
47		101
48	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	103
50	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
51	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
52	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;
53	our $NOW;	144	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		145
56	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
57	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
58
59	our %CFG;
60
61	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;
63
64	our %PLAYER; # all users
65	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		149
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
76	binmode STDOUT;	166	binmode STDOUT;
77	binmode STDERR;	167	binmode STDERR;
78		168
79	# read virtual server time, if available	169	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
84	}	174	}
85		175
86	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	177
88	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		180
93	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
94		182
95	sub cf::map::normalise;	183	sub cf::map::normalise;
96		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
97	#############################################################################	189	#############################################################################
98		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
99	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
100		203
101	=over 4	204	=over 4
102		205
103	=item $cf::UPTIME	206	=item $cf::UPTIME
104		207
105	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.
106		224
107	=item $cf::RUNTIME	225	=item $cf::RUNTIME
108		226
109	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
110	every server tick.	228	every server tick.
111		229
112	=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
113		233
114	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		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
117	=item $cf::NOW	245	=item $cf::LOAD
118		246
119	The time of the last (current) server tick.	247	The raw value load value from the last tick.
120
121	=item $cf::TICK
122
123	The interval between server ticks, in seconds.
124		248
125	=item %cf::CFG	249	=item %cf::CFG
126		250
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	252	from wherever your confdir points to.
129		253
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		255
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
134	processing has been done. Call C<< ->wait >> on them to maximise the	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
136		288
137	=back	289	=back
138		290
139	=cut	291	=cut
140		292
141	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
142	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
143	my $msg = join "", @_;	300	my $msg = join "", @_;
144	utf8::encode $msg;
145		301
146	$msg .= "\n"	302	$msg .= "\n"
147	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
148		304
		305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		306
149	LOG llevError, $msg;	307	LOG llevWarn, $msg;
150	};	308	};
151	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
152		323
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	328	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		329	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	330	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		331
160	# we bless all objects into (empty) derived classes to force a method lookup	332	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	333	# within the Safe compartment.
162	for my $pkg (qw(	334	for my $pkg (qw(
163	cf::global cf::attachable	335	cf::global cf::attachable
164	cf::object cf::object::player	336	cf::object cf::object::player
165	cf::client cf::player	337	cf::client cf::player
166	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
167	cf::map cf::party cf::region	340	cf::party cf::region
168	)) {	341	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	343	}
172		344
173	$Event::DIED = sub {	345	$EV::DIED = sub {
174	warn "error in event callback: @_";	346	warn "error in event callback: $@";
175	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
176		355
177	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
178		357
179	=over 4	358	=over 4
180		359
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	379	$d
201	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
202	}	381	}
203		382
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
205		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
206	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
207		436
208	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
209		438
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
218		440
219	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
220		442
221	=cut	443	=cut
222		444
223	sub to_json($) {	445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	446
225	JSON::Syck::Dump $_[0]	447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
226	}	510	}
227		511
228	=item cf::lock_wait $string	512	=item cf::lock_wait $string
229		513
230	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
231		515
232	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
233		517
234	Wait until the given lock is available and then acquires it and returns	518	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	519	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
237	returned.	521	returned.
238		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
239	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
241		528
242	=cut	529	=item $locked = cf::lock_active $string
243		530
244	our %LOCK;	531	Return true if the lock is currently active, i.e. somebody has locked it.
		532
		533	=cut
		534
		535	our $LOCKS = new Coro::SemaphoreSet;
245		536
246	sub lock_wait($) {	537	sub lock_wait($) {
247	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	539	}
255		540
256	sub lock_acquire($) {	541	sub lock_acquire($) {
257	my ($key) = @_;	542	$LOCKS->guard ($_[0])
		543	}
258		544
259	# wait, to be sure we are not locked	545	sub lock_active($) {
260	lock_wait $key;	546	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	547	}
269		548
270	sub freeze_mainloop {	549	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
272		551
273	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	553	}
275	$WRITE_RUNTIME_WATCHER->start;	554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
276	};	622	}
277	$WRITE_RUNTIME_WATCHER->stop;	623	};
278	$TICK_WATCHER->stop;	624
279	$guard	625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
280	}	638	}
281		639
282	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
283		641
284	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		647
290	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
291		649
292	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
293		651
294	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
297		656
298	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
301	fast or be very important.	660	fast or be very important.
…		…
303	=cut	662	=cut
304		663
305	sub sync_job(&) {	664	sub sync_job(&) {
306	my ($job) = @_;	665	my ($job) = @_;
307		666
308	if ($Coro::current == $Coro::main) {	667	if (in_main) {
		668	my $time = AE::time;
		669
309	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
311		672
312	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	674
314	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
315		676
316	my $busy = 1;	677	my $busy = 1;
317	my @res;	678	my @res;
318		679
319	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	682	@res = eval { $job->() };
321	warn $@ if $@;	683	error $@ if $@;
322	undef $busy;	684	undef $busy;
323	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
324		686
325	while ($busy) {	687	while ($busy) {
326	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
327	}	692	}
		693	}
		694
		695	my $time = AE::time - $time;
		696
		697	$TICK_START += $time; # do not account sync jobs to server load
328		698
329	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
330	} else {	700	} else {
331	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
332		702
…		…
352	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
353		723
354	$coro	724	$coro
355	}	725	}
356		726
357	sub write_runtime {	727	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		728
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	Executes the given code block with the given arguments in a seperate
361	or return;	730	process, returning the results. Everything must be serialisable with
		731	Coro::Storable. May, of course, block. Note that the executed sub may
		732	never block itself or use any form of event handling.
362		733
363	my $value = $cf::RUNTIME + 90 + 10;	734	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		735
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	736	sub post_fork {
368	and return;	737	reset_signals;
		738	}
369		739
370	# always fsync - this file is important	740	sub fork_call(&@) {
371	aio_fsync $fh	741	my ($cb, @args) = @_;
372	and return;
373		742
374	close $fh	743	# we seemingly have to make a local copy of the whole thing,
375	or return;	744	# otherwise perl prematurely frees the stuff :/
		745	# TODO: investigate and fix (likely this will be rather laborious)
376		746
377	aio_rename "$runtime~", $runtime	747	my @res = Coro::Util::fork_eval {
378	and return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
379		751
		752	wantarray ? @res : $res[-1]
		753	}
		754
		755	sub objinfo {
380	1	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
		791	}
		792
		793	=item $value = cf::db_get $family => $key
		794
		795	Returns a single value from the environment database.
		796
		797	=item cf::db_put $family => $key => $value
		798
		799	Stores the given C<$value> in the family. It can currently store binary
		800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
		807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
		828
		829	our $DB;
		830
		831	sub db_init {
		832	$DB ||= db_table "db";
		833	}
		834
		835	sub db_get($$) {
		836	my $key = "$_[0]/$_[1]";
		837
		838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
		841	BDB::db_get $DB, undef, $key, my $data;
		842
		843	$! ? ()
		844	: $data
		845	}
		846
		847	sub db_put($$$) {
		848	BDB::dbreq_pri 4;
		849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		850	}
		851
		852	=item cf::cache $id => [$paths...], $processversion => $process
		853
		854	Generic caching function that returns the value of the resource $id,
		855	caching and regenerating as required.
		856
		857	This function can block.
		858
		859	=cut
		860
		861	sub cache {
		862	my ($id, $src, $processversion, $process) = @_;
		863
		864	my $meta =
		865	join "\x00",
		866	$processversion,
		867	map {
		868	aio_stat $_
		869	and Carp::croak "$_: $!";
		870
		871	($_, (stat _)[7,9])
		872	} @$src;
		873
		874	my $dbmeta = db_get cache => "$id/meta";
		875	if ($dbmeta ne $meta) {
		876	# changed, we may need to process
		877
		878	my @data;
		879	my $md5;
		880
		881	for (0 .. $#$src) {
		882	$data[$_] = load_file $src->[$_];
		883	}
		884
		885	# if processing is expensive, check
		886	# checksum first
		887	if (1) {
		888	$md5 =
		889	join "\x00",
		890	$processversion,
		891	map {
		892	cf::cede_to_tick;
		893	($src->[$_], Digest::MD5::md5_hex $data[$_])
		894	} 0.. $#$src;
		895
		896
		897	my $dbmd5 = db_get cache => "$id/md5";
		898	if ($dbmd5 eq $md5) {
		899	db_put cache => "$id/meta", $meta;
		900
		901	return db_get cache => "$id/data";
		902	}
		903	}
		904
		905	my $t1 = EV::time;
		906	my $data = $process->(\@data);
		907	my $t2 = EV::time;
		908
		909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		910
		911	db_put cache => "$id/data", $data;
		912	db_put cache => "$id/md5" , $md5;
		913	db_put cache => "$id/meta", $meta;
		914
		915	return $data;
		916	}
		917
		918	db_get cache => "$id/data"
		919	}
		920
		921	=item cf::datalog type => key => value, ...
		922
		923	Log a datalog packet of the given type with the given key-value pairs.
		924
		925	=cut
		926
		927	sub datalog($@) {
		928	my ($type, %kv) = @_;
		929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	930	}
382		931
383	=back	932	=back
384		933
385	=cut	934	=cut
386		935
387	#############################################################################	936	#############################################################################
388		937
389	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
390		939
391	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
394		943
395	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	946	Deliantra).
398		947
399	=over 4	948	=over 4
400		949
401	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
402		951
…		…
446	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
447		996
448	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
450		999
451	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
453		1002
454	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
455		1004
456	=over 4	1005	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1114	$registry = $CB_TYPE[$object_type] ||= [];
566		1115
567	} elsif ($type eq "subtype") {	1116	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1117	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1118	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1119	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1120
572	} elsif ($type eq "package") {	1121	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1122	my $pkg = shift @arg;
574		1123
575	while (my ($name, $id) = each %cb_id) {	1124	while (my ($name, $id) = each %cb_id) {
…		…
580		1129
581	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1132
584	} elsif (ref $type) {	1133	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
586		1135
587	} else {	1136	} else {
588	shift @arg;	1137	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
590	}	1139	}
591	}	1140	}
592	}	1141	}
593		1142
594	sub _object_attach {	1143	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
605	}	1154	}
606		1155
607	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
608	} else {	1157	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1159	}
611		1160
612	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
613	}	1162	}
614		1163
…		…
616	if (ref $_[0]) {	1165	if (ref $_[0]) {
617	_object_attach @_;	1166	_object_attach @_;
618	} else {	1167	} else {
619	_attach shift->_attach_registry, @_;	1168	_attach shift->_attach_registry, @_;
620	}	1169	}
		1170	_recalc_want;
621	};	1171	};
622		1172
623	# all those should be optimised	1173	# all those should be optimised
624	sub cf::attachable::detach {	1174	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1175	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1178	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1179	reattach ($obj);
630	} else {	1180	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1181	Carp::croak "cannot, currently, detach class attachments";
632	}	1182	}
		1183	_recalc_want;
633	};	1184	};
634		1185
635	sub cf::attachable::attached {	1186	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
637		1188
…		…
652	";	1203	";
653	die if $@;	1204	die if $@;
654	}	1205	}
655		1206
656	our $override;	1207	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1209
659	sub override {	1210	sub override {
660	$override = 1;	1211	$override = 1;
661	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
662	}	1213	}
663		1214
664	sub do_invoke {	1215	sub do_invoke {
665	my $event = shift;	1216	my $event = shift;
666	my $callbacks = shift;	1217	my $callbacks = shift;
667		1218
668	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
669		1220
670	local $override;	1221	local $override;
671		1222
672	for (@$callbacks) {	1223	for (@$callbacks) {
673	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
674		1225
675	if ($@) {	1226	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1228	override;
679	}	1229	}
680		1230
681	return 1 if $override;	1231	return 1 if $override;
682	}	1232	}
683		1233
684	0	1234	0
685	}	1235	}
686		1236
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1238
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1240
691	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
692		1242
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1246
697	=back	1247	=back
698		1248
699	=cut	1249	=cut
700		1250
701	#############################################################################	1251	#############################################################################
702	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
703		1295
704	sub reattach {	1296	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1298	my ($obj) = @_;
707		1299
		1300	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1302
710	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
711		1304
712	@$registry = ();	1305	@$registry = ();
713		1306
…		…
718	for (@$attach) {	1311	for (@$attach) {
719	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
721	}	1314	}
722	} else {	1315	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1317	}
725	}	1318	}
726	}	1319	}
727		1320
728	cf::attachable->attach (	1321	cf::attachable->attach (
729	prio => -1000000,	1322	prio => -1000000,
730	on_instantiate => sub {	1323	on_instantiate => sub {
731	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
732		1325
733	$data = from_json $data;	1326	$data = decode_json $data;
734		1327
735	for (@$data) {	1328	for (@$data) {
736	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
737		1330
738	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1347	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
756		1349
757	sync_job {	1350	sync_job {
758	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
761		1356
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
766	close $fh;	1364	aio_close $fh;
767		1365
768	if (@$objs) {	1366	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
774	close $fh;	1375	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
776	}	1377	}
777	} else {	1378	} else {
778	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
779	}	1380	}
780		1381
781	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1386	} else {
783	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
784	}	1388	}
785	} else {	1389	} else {
786	aio_unlink $filename;	1390	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
788	}	1392	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1393	};
796	}	1394	}
797		1395
798	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
800		1398
…		…
805		1403
806	sub object_thawer_load {	1404	sub object_thawer_load {
807	my ($filename) = @_;	1405	my ($filename) = @_;
808		1406
809	my ($data, $av);	1407	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1408
814	(aio_load $filename, $data) >= 0	1409	(aio_load $filename, $data) >= 0
815	or return;	1410	or return;
816		1411
817	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
819	or return;	1414	or return;
		1415
820	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
821	}	1418	}
822		1419
		1420	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
825	return ($data, $av);	1425	($data, $av)
826	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
827		1433
828	#############################################################################	1434	#############################################################################
829	# command handling &c	1435	# command handling &c
830		1436
831	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
832		1438
833	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
834	$name.	1440	$name.
835		1441
836	=cut	1442	=cut
…		…
842	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
843		1449
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1451	}
846		1452
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
848		1454
849	Register a callbackf ro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
850		1460
851	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
852	called.
853		1462
854	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
855		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
856	sub register_extcmd {	1485	sub register_extcmd($$) {
857	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
858		1487
859	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
860	}	1489	}
861		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
862	cf::player->attach (	1511	cf::player->attach (
863	on_command => sub {	1512	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
865		1514
866	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
867	or return;	1516	or return;
868		1517
…		…
873	cf::override;	1522	cf::override;
874	},	1523	},
875	on_extcmd => sub {	1524	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
877		1526
878	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1528
880	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
883	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
884	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
885	}	1550	}
		1551
886	} else {	1552	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1554	}
889		1555
890	cf::override;	1556	cf::override;
891	},	1557	},
892	);	1558	);
893		1559
		1560	# "readahead" all extensions
894	sub load_extension {	1561	sub cache_extensions {
895	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
896		1563
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1567	}
922	die $@;
923	}	1568	};
924		1569
925	push @EXTS, $pkg;	1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
926	}	1582	}
927		1583
928	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
929	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1593	next unless -r $path;
931	eval {	1594
932	load_extension $ext;	1595	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1596	my $base = $1;
		1597	my $pkg = $1;
		1598	$pkg =~ s/[^[:word:]]/_/g;
		1599	$pkg = "ext::$pkg";
		1600
		1601	open my $fh, "<:utf8", $path
		1602	or die "$path: $!";
		1603
		1604	my $source = do { local $/; <$fh> };
		1605
		1606	my %ext = (
		1607	path => $path,
		1608	base => $base,
		1609	pkg => $pkg,
		1610	);
		1611
		1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1614
		1615	$ext{source} =
		1616	"package $pkg; use common::sense;\n"
		1617	. "#line 1 \"$path\"\n{\n"
		1618	. $source
		1619	. "\n};\n1";
		1620
		1621	$todo{$base} = \%ext;
		1622	}
		1623
		1624	my $pass = 0;
		1625	my %done;
		1626	while (%todo) {
		1627	my $progress;
		1628
		1629	++$pass;
		1630
		1631	ext:
		1632	while (my ($k, $v) = each %todo) {
		1633	for (split /,\s*/, $v->{meta}{depends}) {
		1634	next ext
		1635	unless exists $done{$_};
		1636	}
		1637
		1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1639
		1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
		1652	error "$v->{path}: $@\n";
		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1655	if exists $v->{meta}{mandatory};
		1656
		1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1658	delete $todo{$k};
		1659	} else {
		1660	$done{$k} = delete $todo{$k};
		1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
		1666	}
933	1	1667	}
934	} or warn "$ext not loaded: $@";	1668
		1669	unless ($progress) {
		1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
		1679	}
935	}	1680	};
936	}	1681	}
937		1682
938	#############################################################################	1683	#############################################################################
939		1684
		1685	=back
		1686
940	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
941		1688
942	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
943		1690
944	=cut	1691	=cut
945		1692
946	package cf::player;	1693	package cf::player;
947		1694
…		…
949		1696
950	=head3 cf::player	1697	=head3 cf::player
951		1698
952	=over 4	1699	=over 4
953		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
		1714
954	=item cf::player::find $login	1715	=item cf::player::find $login
955		1716
956	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
957		1718
958	=cut	1719	=cut
959		1720
960	sub playerdir($) {	1721	sub playerdir($) {
961	cf::localdir	1722	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1723	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1724	}
967		1725
968	sub path($) {	1726	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1727	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1728
971	(playerdir $login) . "/$login.pl"	1729	(playerdir $login) . "/playerdata"
972	}	1730	}
973		1731
974	sub find_active($) {	1732	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1733	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1734	and $cf::PLAYER{$_[0]}->active
…		…
979		1737
980	sub exists($) {	1738	sub exists($) {
981	my ($login) = @_;	1739	my ($login) = @_;
982		1740
983	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
985	}	1743	}
986		1744
987	sub find($) {	1745	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1747	my $login = $_[0];
990		1748
991	my $guard = cf::lock_acquire "user_find:$login";	1749	my $guard = cf::lock_acquire "user_find:$login";
992		1750
993	$cf::PLAYER{$_[0]} || do {	1751	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1752	# rename old playerfiles to new ones
		1753	#TODO: remove when no longer required
		1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1757	aio_unlink +(playerdir $login) . "/$login.pl";
		1758
		1759	my $f = new_from_file cf::object::thawer path $login
995	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
997	}	1768	}
998	}	1769	}
999	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1000		1784
1001	sub save($) {	1785	sub save($) {
1002	my ($pl) = @_;	1786	my ($pl) = @_;
1003		1787
1004	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1010		1794
1011	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1013		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1014	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1015	Coro::cede;	1804	cf::cede_to_tick;
1016	}	1805	}
1017		1806
1018	sub new($) {	1807	sub new($) {
1019	my ($login) = @_;	1808	my ($login) = @_;
1020		1809
…		…
1026	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1027		1816
1028	$self	1817	$self
1029	}	1818	}
1030		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1031	=item $pl->quit_character	1830	=item $pl->quit_character
1032		1831
1033	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1035		1834
1036	=cut	1835	=cut
1037		1836
1038	sub quit_character {	1837	sub quit_character {
1039	my ($pl) = @_;	1838	my ($pl) = @_;
1040		1839
		1840	my $name = $pl->ob->name;
		1841
1041	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1844
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1047	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1048		1853
1049	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1857	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1858	$pl->destroy;
		1859
		1860	my $prefix = qr<^~\Q$name\E/>;
		1861
		1862	# nuke player maps
		1863	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1864
1054	IO::AIO::aio_rmtree $temp;	1865	IO::AIO::aio_rmtree $temp;
		1866	}
		1867
		1868	=item $pl->kick
		1869
		1870	Kicks a player out of the game. This destroys the connection.
		1871
		1872	=cut
		1873
		1874	sub kick {
		1875	my ($pl, $kicker) = @_;
		1876
		1877	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1878	$pl->killer ("kicked");
		1879	$pl->ns->destroy;
1055	}	1880	}
1056		1881
1057	=item cf::player::list_logins	1882	=item cf::player::list_logins
1058		1883
1059	Returns am arrayref of all valid playernames in the system, can take a	1884	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1885	while and may block, so not sync_job-capable, ever.
1061		1886
1062	=cut	1887	=cut
1063		1888
1064	sub list_logins {	1889	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1890	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1891	or return [];
1067		1892
1068	my @logins;	1893	my @logins;
1069		1894
1070	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1074		1905
1075	utf8::decode $login;	1906	utf8::decode $login;
1076	push @logins, $login;	1907	push @logins, $login;
1077	}	1908	}
1078		1909
1079	\@logins	1910	\@logins
1080	}	1911	}
1081		1912
1082	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1083		1916
1084	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1085	player. May block.	1918	player. May block.
1086		1919
1087	=cut	1920	=cut
…		…
1105	}	1938	}
1106		1939
1107	\@paths	1940	\@paths
1108	}	1941	}
1109		1942
		1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1944
		1945	Expand deliantra pod fragments into protocol xml.
		1946
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1947	=item $player->ext_msg ($type, @msg)
1111		1948
1112	Sends an ext reply to the player.	1949	Sends an ext event to the client.
1113		1950
1114	=cut	1951	=cut
1115		1952
1116	sub ext_reply($$$%) {	1953	sub ext_msg($$@) {
1117	my ($self, $id, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1118		1955
1119	$msg{msgid} = $id;	1956	$self->ns->ext_msg ($type, @msg);
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1957	}
1123		1958
1124	package cf;	1959	=head3 cf::region
		1960
		1961	=over 4
		1962
		1963	=cut
		1964
		1965	package cf::region;
		1966
		1967	=item cf::region::find_by_path $path
		1968
		1969	Tries to decuce the likely region for a map knowing only its path.
		1970
		1971	=cut
		1972
		1973	sub find_by_path($) {
		1974	my ($path) = @_;
		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
		1978	my ($match, $specificity);
		1979
		1980	for my $region (list) {
		1981	if ($region->{match} && $path =~ $region->{match}) {
		1982	($match, $specificity) = ($region, $region->specificity)
		1983	if $region->specificity > $specificity;
		1984	}
		1985	}
		1986
		1987	$match
		1988	}
1125		1989
1126	=back	1990	=back
1127
1128		1991
1129	=head3 cf::map	1992	=head3 cf::map
1130		1993
1131	=over 4	1994	=over 4
1132		1995
…		…
1144	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1146		2009
1147	sub generate_random_map {	2010	sub generate_random_map {
1148	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1150	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	2016	}
1164		2017
1165	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1166		2019
1167	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1172		2025
1173	sub register {	2026	sub register {
1174	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	2028	my $pkg = caller;
1176		2029
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		2031
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	2033	}
1182		2034
1183	# also paths starting with '/'	2035	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		2037
1186	sub thawer_merge {	2038	sub thawer_merge {
1187	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1188		2040
1189	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1190	local $self->{path};	2042	local $self->{path};
1191	local $self->{load_path};	2043	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		2044
1195	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1196	}	2046	}
1197		2047
1198	sub normalise {	2048	sub normalise {
1199	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1200		2050
1201	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1202		2052
1203	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1204		2054
1205	# map plan:	2055	# map plan:
1206	#	2056	#
…		…
1221	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	2072	$path = "$base/$path";
1223	}	2073	}
1224		2074
1225	for ($path) {	2075	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1229	}	2078	}
1230		2079
1231	$path	2080	$path
…		…
1245	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1246	return $self;	2095	return $self;
1247	}	2096	}
1248	}	2097	}
1249		2098
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2100	()
1252	}	2101	}
1253		2102
		2103	# may re-bless or do other evil things
1254	sub init {	2104	sub init {
1255	my ($self) = @_;	2105	my ($self) = @_;
1256		2106
1257	$self	2107	$self
1258	}	2108	}
…		…
1270		2120
1271	# the original (read-only) location	2121	# the original (read-only) location
1272	sub load_path {	2122	sub load_path {
1273	my ($self) = @_;	2123	my ($self) = @_;
1274		2124
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2125	"$MAPDIR/$self->{path}.map"
1276	}	2126	}
1277		2127
1278	# the temporary/swap location	2128	# the temporary/swap location
1279	sub save_path {	2129	sub save_path {
1280	my ($self) = @_;	2130	my ($self) = @_;
1281		2131
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2133	"$TMPDIR/$path.map"
1284	}	2134	}
1285		2135
1286	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1287	sub uniq_path {	2137	sub uniq_path {
1288	my ($self) = @_;	2138	my ($self) = @_;
1289		2139
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2141	"$UNIQUEDIR/$path"
1292	}	2142	}
1293		2143
1294	# and all this just because we cannot iterate over	2144	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2145	my ($self) = @_;
1298		2146
1299	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1301	}	2150	}
1302		2151
1303	sub unlink_save {	2152	sub unlink_save {
1304	my ($self) = @_;	2153	my ($self) = @_;
1305		2154
1306	utf8::encode (my $save = $self->save_path);	2155	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2156	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2157	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2158	}
1315		2159
1316	sub load_header_from($) {	2160	sub load_header_from($) {
1317	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1318		2162
1319	utf8::encode $path;	2163	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2165	or return;
1325		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1326	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1327		2174
1328	1	2175	1
1329	}	2176	}
1330		2177
		2178	# used to laod the header of an original map
1331	sub load_header_orig {	2179	sub load_header_orig {
1332	my ($self) = @_;	2180	my ($self) = @_;
1333		2181
1334	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1335	}	2183	}
1336		2184
		2185	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2186	sub load_header_temp {
1338	my ($self) = @_;	2187	my ($self) = @_;
1339		2188
1340	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1341	}	2190	}
1342		2191
		2192	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2193	sub prepare_temp {
1344	my ($self) = @_;	2194	my ($self) = @_;
1345		2195
1346	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1348	# safety	2198	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2201	}
1352		2202
		2203	# called after loading the header from an original map
1353	sub prepare_orig {	2204	sub prepare_orig {
1354	my ($self) = @_;	2205	my ($self) = @_;
1355		2206
1356	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2219	$self->load_header_orig
1369	or return;	2220	or return;
1370	$self->prepare_orig;	2221	$self->prepare_orig;
1371	}	2222	}
1372		2223
		2224	$self->{deny_reset} = 1
		2225	if $self->no_reset;
		2226
		2227	$self->default_region (cf::region::find_by_path $self->{path})
		2228	unless $self->default_region;
		2229
1373	1	2230	1
1374	}	2231	}
1375		2232
1376	sub find;	2233	sub find;
1377	sub find {	2234	sub find {
1378	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1379		2236
		2237	cf::cede_to_tick;
		2238
1380	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1381		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2243
1384	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1387	or return;	2246	or return;
1388		2247
1389	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1390		2249
1391	$map->load_header	2250	$map->load_header
1392	or return;	2251	or return;
1393		2252
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1397	$map->reset;	2258	$map->reset;
1398	undef $guard;
1399	return find $path;	2259	return find $path;
1400	}	2260	}
1401		2261
1402	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1403	}	2263	}
1404	}	2264	}
1405		2265
1406	sub pre_load { }	2266	sub pre_load { }
1407	sub post_load { }	2267	#sub post_load { } # XS
1408		2268
1409	sub load {	2269	sub load {
1410	my ($self) = @_;	2270	my ($self) = @_;
1411		2271
1412	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1413		2273
1414	my $path = $self->{path};	2274	my $path = $self->{path};
		2275
		2276	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1416		2278
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2279	return unless $self->valid;
		2280	return unless $self->state == cf::MAP_SWAPPED;
1418		2281
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2282	$self->alloc;
1422		2283
1423	$self->pre_load;	2284	$self->pre_load;
		2285	cf::cede_to_tick;
1424		2286
1425	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1426	or return;	2291	or return;
1427		2292
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1429	if delete $self->{load_original};	2294	if delete $self->{load_original};
1430		2295
1431	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2297	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2300	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1436	}	2305	}
1437	}
1438		2306
1439	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
1440		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1441	# now do the right thing for maps	2316	# now do the right thing for maps
1442	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2319	unless $self->difficulty;
1452	Coro::cede;	2320	cf::cede_to_tick;
1453	$self->activate;	2321
		2322	unless ($self->{deny_activate}) {
		2323	$self->decay_objects;
		2324	$self->fix_auto_apply;
		2325	$self->update_buttons;
		2326	cf::cede_to_tick;
		2327	#$self->activate; # no longer activate maps automatically
		2328	}
		2329
		2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1454	}	2332	}
1455		2333
1456	$self->post_load;	2334	$self->post_load;
1457		2335
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2336	1
1459	}	2337	}
1460		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2342	sub customise_for {
1462	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1463		2344
1464	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2346	if $self->per_player;
1466		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1467	$self	2351	$self
1468	}
1469
1470	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {
1472	my ($map) = @_;
1473
1474	my @diag; # diagonal neighbours
1475
1476	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)
1478	or next;
1479	$neigh = find $neigh, $map
1480	or next;
1481	$neigh->load;
1482
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}
1486
1487	for (@diag) {
1488	my $neigh = find @$_
1489	or next;
1490	$neigh->load;
1491	}
1492	}	2352	}
1493		2353
1494	sub find_sync {	2354	sub find_sync {
1495	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1496		2356
1497	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1498	}	2362	}
1499		2363
1500	sub do_load_sync {	2364	sub do_load_sync {
1501	my ($map) = @_;	2365	my ($map) = @_;
1502		2366
1503	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1504	}	2372	}
1505		2373
1506	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1508		2376
1509	sub find_async {	2377	sub find_async {
1510	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1511		2379
1512	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1513		2381
1514	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1516	}	2384	}
1517		2385
1518	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1519	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1520	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2393	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2394	$map->load if $v;
		2395	}
1525		2396
1526	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1527	}	2398	}
1528	}	2399	}
1529	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1530	};	2401	};
1531	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1532		2403
1533	()	2404	()
1534	}	2405	}
1535		2406
		2407	# common code, used by both ->save and ->swapout
1536	sub save {	2408	sub _save {
1537	my ($self) = @_;	2409	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2410
1541	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1542		2412
1543	return unless $self->dirty;	2413	return unless $self->dirty;
1544		2414
…		…
1550	return if $self->{deny_save};	2420	return if $self->{deny_save};
1551		2421
1552	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1553		2423
1554	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1556	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1557		2430
1558	if ($uniq) {	2431	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2434	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2436	}
1564	}	2437	}
1565		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1566	sub swap_out {	2447	sub swap_out {
1567	my ($self) = @_;	2448	my ($self) = @_;
1568		2449
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1574	return if $self->players;	2454	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1578	$self->clear;	2465	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2466	}
1581		2467
1582	sub reset_at {	2468	sub reset_at {
1583	my ($self) = @_;	2469	my ($self) = @_;
1584		2470
1585	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1588		2473
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2476
…		…
1602	my ($self) = @_;	2487	my ($self) = @_;
1603		2488
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2490
1606	return if $self->players;	2491	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2492
1609	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
		2494
		2495	$self->state (cf::MAP_SWAPPED);
		2496
		2497	# need to save uniques path
		2498	unless ($self->{deny_save}) {
		2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2500
		2501	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2502	if $uniq;
		2503	}
1610		2504
1611	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1612		2506
1613	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2509	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2510
1618	$self->unlink_save;	2511	$self->unlink_save;
1619	$self->destroy;	2512	$self->destroy;
1620	}	2513	}
1621		2514
1622	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1623		2516
1624	sub nuke {	2517	sub nuke {
1625	my ($self) = @_;	2518	my ($self) = @_;
1626		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1627	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1628		2524
1629	$self->unlink_save;	2525	$self->unlink_save;
1630		2526
1631	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2532
1637	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1638		2535
1639	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
		2537	}
		2538
		2539	=item $maps = cf::map::tmp_maps
		2540
		2541	Returns an arrayref with all map paths of currently instantiated and saved
		2542	maps. May block.
		2543
		2544	=cut
		2545
		2546	sub tmp_maps() {
		2547	[
		2548	map {
		2549	utf8::decode $_;
		2550	/\.map$/
		2551	? normalise $_
		2552	: ()
		2553	} @{ aio_readdir $TMPDIR or [] }
		2554	]
		2555	}
		2556
		2557	=item $maps = cf::map::random_maps
		2558
		2559	Returns an arrayref with all map paths of currently instantiated and saved
		2560	random maps. May block.
		2561
		2562	=cut
		2563
		2564	sub random_maps() {
		2565	[
		2566	map {
		2567	utf8::decode $_;
		2568	/\.map$/
		2569	? normalise "?random/$_"
		2570	: ()
		2571	} @{ aio_readdir $RANDOMDIR or [] }
		2572	]
1640	}	2573	}
1641		2574
1642	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1643		2576
1644	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2578	instantiated unique items. May block.
1646		2579
1647	=cut	2580	=cut
1648		2581
1649	sub unique_maps() {	2582	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2583	[
1651	or return;	2584	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2585	utf8::decode $_;
1657	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2588	? ()
1660	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2591	]
1662
1663	\@paths
1664	}	2592	}
1665		2593
1666	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1667		2625
1668	=back	2626	=back
1669		2627
1670	=head3 cf::object	2628	=head3 cf::object
1671		2629
…		…
1675		2633
1676	=over 4	2634	=over 4
1677		2635
1678	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1679		2637
1680	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
1681		2640
1682	=cut	2641	=cut
1683		2642
1684	sub inv_recursive_;	2643	sub inv_recursive_;
1685	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1688		2647
1689	sub inv_recursive {	2648	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1691	}	2650	}
1692		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
1693	package cf;	2680	package cf;
1694		2681
1695	=back	2682	=back
1696		2683
1697	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1706		2693
1707	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
1708		2709
1709	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2711	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1714		2715
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2717
1717	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1719	} else {	2721	} else {
		2722	my $pl = $self->contr;
		2723
		2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2725	my $dialog = $pl->{npc_dialog};
		2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2727
		2728	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1722	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
1723	}	2743	}
1724		2744
1725	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1726		2746
1727	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1740		2760
1741	=item $player_object->enter_link	2761	=item $player_object->enter_link
1742		2762
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2764
1745	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
1747		2769
1748	Will never block.	2770	Will never block.
1749		2771
1750	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1751		2773
…		…
1771	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2794	my ($self) = @_;
1773		2795
1774	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1775		2797
		2798	++$self->{_link_recursion};
		2799
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2801
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1780		2804
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2806	}
1783		2807
1784	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1786		2812
1787	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1788		2814
1789	unless ($map) {	2815	unless ($map) {
1790	# restore original map position	2816	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1803		2829
1804	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1807		2833
1808	$map->load;	2834	$map->load;
1809	$map->load_diag;
1810		2835
1811	return unless $self->contr->active;	2836	return unless $self->contr->active;
		2837
		2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2839	if ($self->enter_map ($map, $x, $y)) {
		2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2843	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2844	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2845
1830	# try to abort aborted map switching on player login :)	2846	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2847
1848	=item $player_object->goto ($path, $x, $y)	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2849
		2850	Moves the player to the given map-path and coordinates by first freezing
		2851	her, loading and preparing them map, calling the provided $check callback
		2852	that has to return the map if sucecssful, and then unfreezes the player on
		2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
		2858
1850	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1851		2862
1852	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
		2871
		2872	# do generation counting so two concurrent goto's will be executed in-order
		2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2874
1855	$self->enter_link;	2875	$self->enter_link;
1856		2876
1857	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
1858	my $map = eval {	2899	my $map = eval {
1859	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2901
		2902	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2903	$map = $map->customise_for ($self);
		2904	$map = $check->($map, $x, $y, $self) if $check && $map;
		2905	} else {
		2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2907	}
		2908
1861	$map	2909	$map
		2910	};
		2911
		2912	if ($@) {
		2913	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2914	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2915	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
1866	})->prio (1);	2923	})->prio (1);
1867	}	2924	}
1868		2925
1869	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
1870		2927
…		…
1890	}	2947	}
1891		2948
1892	sub prepare_random_map {	2949	sub prepare_random_map {
1893	my ($exit) = @_;	2950	my ($exit) = @_;
1894		2951
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2954	# that depends on the exit object
1900		2955
1901	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2958	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
1908	}	2965	}
1909		2966
1910	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
1911		2968
1912	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
1915		2972
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2975	undef $fh;
1919	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
1920		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
1923	}	2984	}
1924	}	2985	}
1925		2986
1926	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
1928		2989
1929	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
1930		2991
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2992	$self->enter_link;
1941		2993
1942	(async {	2994	(async {
1943	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
1944	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
1945	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
1946		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
1947	1;	3033	1
1948	}) {	3034	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
1953		3039
1954	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	3041	$self->leave_link;
1956	}	3042	}
1957	})->prio (1);	3043	})->prio (1);
1958	}	3044	}
1959		3045
…		…
1970		3056
1971	sub cf::client::send_drawinfo {	3057	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	3058	my ($self, $text, $flags) = @_;
1973		3059
1974	utf8::encode $text;	3060	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	3062	}
1977		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
		3251	=item $client->ext_msg ($type, @msg)
		3252
		3253	Sends an ext event to the client.
		3254
		3255	=cut
		3256
		3257	sub cf::client::ext_msg($$@) {
		3258	my ($self, $type, @msg) = @_;
		3259
		3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3261	}
1978		3262
1979	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
1980		3264
1981	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3268
1985	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3270	become reliable at some point in the future.
1987		3271
1988	=cut	3272	=cut
1989		3273
1990	sub cf::client::query {	3274	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3283	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3285
2002	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2004	}	3290	}
2005		3291
2006	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2007	on_reply => sub {	3298	on_reply => sub {
2008	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2009		3300
2010	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2011	# get handled first	3302	# get handled first
…		…
2023	} else {	3314	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3316	}
2026	}	3317	}
2027	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2028	);	3352	);
2029		3353
2030	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2031		3355
2032	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3372
2049	$coro	3373	$coro
2050	}	3374	}
2051		3375
2052	cf::client->attach (	3376	cf::client->attach (
2053	on_destroy => sub {	3377	on_client_destroy => sub {
2054	my ($ns) = @_;	3378	my ($ns) = @_;
2055		3379
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3381	},
2058	);	3382	);
…		…
2073	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2075		3399
2076	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2077		3401
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2079		3407
2080	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2081		3409
2082	=pod	3410	=pod
2083		3411
2084	The following fucntions and emthods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2085		3413
2086	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2087	cf::object::player player	3419	cf::object::player
2088	cf::player peaceful	3420	player
2089	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2090		3427
2091	=cut	3428	=cut
2092		3429
2093	for (	3430	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2098	) {	3437	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3440	for @funs;
2103	}	3441	}
2104		3442
…		…
2119		3457
2120	my $qcode = $code;	3458	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2123		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2124	local $_;	3465	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3466
2127	my $eval =	3467	my $eval =
2128	"do {\n"	3468	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3471	. $code
2132	. "\n}"	3472	. "\n}"
2133	;	3473	;
2134		3474
		3475	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2138		3484
2139	if ($@) {	3485	if ($@) {
2140	warn "$@";	3486	warn "$@",
2141	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2143	}	3489	}
2144		3490
2145	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2146	}	3492	}
2147		3493
…		…
2161	=cut	3507	=cut
2162		3508
2163	sub register_script_function {	3509	sub register_script_function {
2164	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2165		3511
2166	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2168	}	3514	}
2169		3515
2170	=back	3516	=back
2171		3517
2172	=cut	3518	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3519
2282	#############################################################################	3520	#############################################################################
2283	# the server's init and main functions	3521	# the server's init and main functions
2284		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
		3547	sub load_facedata($) {
		3548	my ($path) = @_;
		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
		3556	trace "loading facedata from $path\n";
		3557
		3558	my $facedata = decode_storable load_file $path;
		3559
		3560	$facedata->{version} == 2
		3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3562
		3563	cf::cede_to_tick;
		3564
		3565	{
		3566	my $faces = delete $facedata->{faceinfo};
		3567
		3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
		3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
		3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
		3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
		3580	}
		3581
		3582	while (my ($face, $info) = each %$faces) {
		3583	next unless $info->{smooth};
		3584
		3585	my $idx = cf::face::find $face
		3586	or next;
		3587
		3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
		3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3591	} else {
		3592	error "smooth face '$info->{smooth}' not found for face '$face'";
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	{
		3600	my $anims = delete $facedata->{animinfo};
		3601
		3602	while (my ($anim, $info) = each %$anims) {
		3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3604	cf::cede_to_tick;
		3605	}
		3606
		3607	cf::anim::invalidate_all; # d'oh
		3608	}
		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
		3632	1
		3633	}
		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
2285	sub load_resources {	3643	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
		3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
		3671	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3672	or die "unable to load regions file\n";
2288	}
2289		3673
2290	sub cfg_load {	3674	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3675	$_->{match} = qr/$_->{match}/
2292	or return;	3676	if exists $_->{match};
		3677	}
		3678	}
2293		3679
2294	local $/;	3680	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3681	load_facedata "$DATADIR/facedata"
		3682	or die "unable to load facedata\n";
		3683	}
2296		3684
		3685	sub reload_archetypes {
		3686	load_resource_file "$DATADIR/archetypes"
		3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
		3697	}
		3698
		3699	sub reload_treasures {
		3700	load_resource_file "$DATADIR/treasures"
		3701	or die "unable to load treasurelists\n";
		3702	}
		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
		3724	sub reload_resources {
		3725	trace "reloading resource files...\n";
		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
		3732	reload_regions;
		3733	reload_treasures;
		3734
		3735	trace "finished reloading resource files\n";
		3736	}
		3737
		3738	sub reload_config {
		3739	trace "reloading config file...\n";
		3740
		3741	my $config = load_file "$CONFDIR/config";
		3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
		3744
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3746
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3749
2302	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2306	};	3754	};
2307	warn $@ if $@;	3755	warn $@ if $@;
2308	}	3756	}
2309	}	3757	}
2310		3758
2311	sub init {	3759	sub pidfile() {
2312	load_resources;	3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3785	}
2314		3786
2315	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2316	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3800	(async {
2320	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2322	};	3804	};
2323		3805
2324	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
		3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2326	load_extensions;	3830	load_extensions;
2327		3831
2328	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2330	}	3849	}
2331		3850
2332	#############################################################################	3851	#############################################################################
2333	# initialisation and cleanup	3852	# initialisation and cleanup
2334		3853
2335	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2336	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2345	},
2346	);	3860	};
		3861	}
		3862	}
		3863
		3864	sub write_runtime_sync {
		3865	my $t0 = AE::time;
		3866
		3867	# first touch the runtime file to show we are still running:
		3868	# the fsync below can take a very very long time.
		3869
		3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3871
		3872	my $guard = cf::lock_acquire "write_runtime";
		3873
		3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3875	or return;
		3876
		3877	my $value = $cf::RUNTIME + 90 + 10;
		3878	# 10 is the runtime save interval, for a monotonic clock
		3879	# 60 allows for the watchdog to kill the server.
		3880
		3881	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3882	and return;
		3883
		3884	# always fsync - this file is important
		3885	aio_fsync $fh
		3886	and return;
		3887
		3888	# touch it again to show we are up-to-date
		3889	aio_utime $fh, undef, undef;
		3890
		3891	close $fh
		3892	or return;
		3893
		3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3895	and return;
		3896
		3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3898
2347	}	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2348	}	3950	}
2349		3951
2350	sub emergency_save() {	3952	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2352		3954
2353	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2354		3961
2355	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2356	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3973	$pl->save;
2364	}	3974	}
2365	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2366		3976
2367	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3982	$map->valid or next;
2371	$map->save;	3983	$map->save;
2372	}	3984	}
2373	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
		3986
		3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
		3990	BDB::db_env_txn_checkpoint $DB_ENV;
		3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2374	};	4015	};
2375		4016
2376	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2377	}	4018	}
2378		4019
		4020	sub post_cleanup {
		4021	my ($make_core) = @_;
		4022
		4023	IO::AIO::flush;
		4024
		4025	error Carp::longmess "post_cleanup backtrace"
		4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
		4055	}
		4056
2379	sub reload() {	4057	sub do_reload_perl() {
2380	# can/must only be called in main	4058	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2382	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2383	return;	4061	return;
2384	}	4062	}
2385		4063
2386	warn "reloading...";	4064	return if $RELOAD++;
2387		4065
2388	warn "cancelling server ticker";	4066	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
		4074	cf::sync_job {
2391	cf::emergency_save;	4075	#cf::emergency_save;
2392		4076
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	4079	%EXT_CORO = ();
2415		4080
2416	warn "removing commands";	4081	trace "perl_reload: removing commands";
2417	%COMMAND = ();	4082	%COMMAND = ();
2418		4083
2419	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2421		4087
2422	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2425		4091
2426	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2427	eval {	4093	eval {
2428	$cb->($pkg);	4094	$cb->($pkg);
2429	1	4095	1
2430	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2431	}	4101	}
2432		4102
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4106
2441	warn "... unloading $k";	4107	trace "... unloading $k";
2442	delete $INC{$k};	4108	delete $INC{$k};
2443		4109
2444	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2446		4112
2447	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2449	}	4118	}
2450		4119
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4123
2458	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
		4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4127
2461	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4129	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2464		4131
2465	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2466		4133
2467	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2468	require cf;	4135	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2470		4137
2471	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4139	cf::reload_config;
2473	cf::db_load;
2474		4140
2475	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4142	cf::load_extensions;
2477		4143
		4144	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4146	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
		4149	trace "perl_reload: reattaching attachments to players";
		4150	reattach $_ for values %PLAYER;
		4151	}
2482		4152
2483	warn "loading reloadable resources";	4153	cf::_post_init 1;
2484	load_resources;
2485		4154
2486	warn "restarting server ticker";	4155	trace "perl_reload: leaving sync_job";
2487		4156
2488	$TICK_WATCHER->start;	4157	1
		4158	} or do {
		4159	error $@;
		4160	cf::cleanup "perl_reload: error, exiting.";
		4161	};
		4162
		4163	--$RELOAD;
		4164	}
		4165
		4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
		4168	};
		4169
		4170	our $RELOAD_WATCHER; # used only during reload
		4171
		4172	sub reload_perl() {
		4173	# doing reload synchronously and two reloads happen back-to-back,
		4174	# coro crashes during coro_state_free->destroy here.
		4175
		4176	$RELOAD_WATCHER ||= cf::async {
		4177	Coro::AIO::aio_wait cache_extensions;
		4178
		4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4180	do_reload_perl;
		4181	undef $RELOAD_WATCHER;
		4182	};
2489	};	4183	};
2490		4184	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4185
2502	register_command "reload" => sub {	4186	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2504		4188
2505	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
2507		4191	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4192	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4193	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4194	};
2520	}	4195	}
2521	};	4196	};
2522		4197
2523	unshift @INC, $LIBDIR;	4198	#############################################################################
2524		4199
2525	my $bug_warning = 0;	4200	my $bug_warning = 0;
2526		4201
2527	$TICK_WATCHER = Event->timer (	4202	sub wait_for_tick() {
2528	reentrant => 0,	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4204
2530	prio => 0,	4205	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4206	}
2532	data => WF_AUTOCANCEL,	4207
2533	cb => sub {	4208	sub wait_for_tick_begin() {
		4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4210
		4211	my $signal = new Coro::Signal;
		4212	push @WAIT_FOR_TICK_BEGIN, $signal;
		4213	$signal->wait;
		4214	}
		4215
		4216	sub tick {
2534	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2537	return;	4220	return;
		4221	}
		4222
		4223	cf::one_tick; # one server iteration
		4224
		4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4226
		4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4229	Coro::async_pool {
		4230	$Coro::current->{desc} = "runtime saver";
		4231	write_runtime_sync
		4232	or error "ERROR: unable to write runtime file: $!";
2538	}	4233	};
		4234	}
2539		4235
2540	$NOW = Event::time;	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4237	$sig->send;
2542	cf::server_tick; # one server iteration	4238	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4239	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4240
2549	Event::sweep;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4243
		4244	if (0) {
		4245	if ($NEXT_TICK) {
		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
2551		4249	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4250	}
2561	);	4251	}
2562		4252
2563	{	4253	{
2564	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2566	reentrant => 0,	4256
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2574		4258	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4260
2590	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4268
2593	cf::sync_job {	4269	cf::sync_job {
		4270	eval {
2594	BDB::db_env_open	4271	BDB::db_env_open
2595	$DB_ENV,	4272	$DB_ENV,
2596	$BDB_ENV_DIR,	4273	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4276	0666;
2600		4277
2601	cf::cleanup "$!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4279	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4280
		4281	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	4282	};
2605	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
2606	}	4296	}
2607		4297
2608	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
2609	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,	4305	info "aio initialised";
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	4306	}
2622		4307
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	4308	our $_log_backtrace;
2624	reentrant => 0,	4309	our $_log_backtrace_last;
2625	data => WF_AUTOCANCEL,	4310
2626	after => 1,	4311	sub _log_backtrace {
2627	interval => 10,	4312	my ($msg, @addr) = @_;
2628	prio => 6, # keep it lowest so it acts like a watchdog	4313
2629	cb => Coro::unblock_sub {	4314	$msg =~ s/\n$//;
2630	write_runtime	4315
2631	or warn "ERROR: unable to write runtime file: $!";	4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4319	# limit the # of concurrent backtraces
		4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
		4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
		4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
		4327	my @bt = fork_call {
		4328	@addr = map { sprintf "%x", $_ } @addr;
		4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4331	or die "addr2line: $!";
		4332
		4333	my @funcs;
		4334	my @res = <$fh>;
		4335	chomp for @res;
		4336	while (@res) {
		4337	my ($func, $line) = splice @res, 0, 2, ();
		4338	push @funcs, "[$func] $line";
		4339	}
		4340
		4341	@funcs
		4342	};
		4343
		4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4346	LOG llevInfo, "[ABT] $_\n" for @bt;
		4347	--$_log_backtrace;
		4348	};
		4349	} else {
		4350	LOG llevInfo, "[ABT] $msg\n";
		4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2632	},	4352	}
2633	);	4353	}
		4354
		4355	# load additional modules
		4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
2634		4358
2635	END { cf::emergency_save }	4359	END { cf::emergency_save }
2636		4360
2637	1	4361	1
2638		4362

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