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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
60		120
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
66	our $NOW;	138	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		139
69	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
70	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
71
72	our %CFG;
73
74	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;
76
77	our %PLAYER; # all users
78	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		143
83	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
86	binmode STDOUT;	160	binmode STDOUT;
87	binmode STDERR;	161	binmode STDERR;
88		162
89	# read virtual server time, if available	163	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
94	}	168	}
95		169
96	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	171
98	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		174
103	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
104		176
105	sub cf::map::normalise;	177	sub cf::map::normalise;
106		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
107	#############################################################################	183	#############################################################################
108		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
109	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
110		197
111	=over 4	198	=over 4
112		199
113	=item $cf::UPTIME	200	=item $cf::UPTIME
114		201
115	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
116		218
117	=item $cf::RUNTIME	219	=item $cf::RUNTIME
118		220
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	222	every server tick.
121		223
122	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		227
124	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
126		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
127	=item $cf::NOW	239	=item $cf::LOAD
128		240
129	The time of the last (current) server tick.	241	The raw value load value from the last tick.
130
131	=item $cf::TICK
132
133	The interval between server ticks, in seconds.
134		242
135	=item %cf::CFG	243	=item %cf::CFG
136		244
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	246	from wherever your confdir points to.
139		247
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		249
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
146	=back	283	=back
147		284
148	=cut	285	=cut
149		286
150	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	294	my $msg = join "", @_;
153		295
154	$msg .= "\n"	296	$msg .= "\n"
155	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
156		298
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		300
159	utf8::encode $msg;
160	LOG llevError, $msg;	301	LOG llevWarn, $msg;
161	};	302	};
162	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
163		317
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		325
171	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	327	# within the Safe compartment.
173	for my $pkg (qw(	328	for my $pkg (qw(
174	cf::global cf::attachable	329	cf::global cf::attachable
175	cf::object cf::object::player	330	cf::object cf::object::player
176	cf::client cf::player	331	cf::client cf::player
177	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
178	cf::map cf::party cf::region	334	cf::party cf::region
179	)) {	335	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	337	}
183		338
184	$Event::DIED = sub {	339	$EV::DIED = sub {
185	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
186	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
187		349
188	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
189		351
190	=over 4	352	=over 4
191		353
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	373	$d
212	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
213	}	375	}
214		376
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
216		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
217	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
218		392
219	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
220		394
221	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
222		396
223	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
224		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
225	=item cf::lock_wait $string	468	=item cf::lock_wait $string
226		469
227	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
228		471
229	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
230		473
231	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
234	returned.	477	returned.
235		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
236	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
238		484
239	=cut	485	=item $locked = cf::lock_active $string
240		486
241	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
242		492
243	sub lock_wait($) {	493	sub lock_wait($) {
244	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	495	}
252		496
253	sub lock_acquire($) {	497	sub lock_acquire($) {
254	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
255		500
256	# wait, to be sure we are not locked	501	sub lock_active($) {
257	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	503	}
266		504
267	sub freeze_mainloop {	505	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
269		507
270	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
272	};	578	}
273	$TICK_WATCHER->stop;	579	};
274	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
275	}	594	}
276		595
277	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
278		597
279	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		603
285	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
286		605
287	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
288		607
289	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
292		612
293	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
296	fast or be very important.	616	fast or be very important.
…		…
298	=cut	618	=cut
299		619
300	sub sync_job(&) {	620	sub sync_job(&) {
301	my ($job) = @_;	621	my ($job) = @_;
302		622
303	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
304	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
306		628
307	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	630
309	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
310		632
311	my $busy = 1;	633	my $busy = 1;
312	my @res;	634	my @res;
313		635
314	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	638	@res = eval { $job->() };
316	warn $@ if $@;	639	error $@ if $@;
317	undef $busy;	640	undef $busy;
318	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
319		642
320	while ($busy) {	643	while ($busy) {
321	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
322	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
323		654
324	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
325	} else {	656	} else {
326	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
327		658
…		…
347	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
348		679
349	$coro	680	$coro
350	}	681	}
351		682
352	sub write_runtime {	683	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		684
355	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
356		689
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
358	or return;
359		691
360	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
362	# 60 allows for the watchdog to kill the server.	694	}
363		695
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
365	and return;	697	my ($cb, @args) = @_;
366		698
367	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
369	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
370		702
371	close $fh	703	my @res = Coro::Util::fork_eval {
372	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
373		707
374	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
375	and return;	709	}
376		710
		711	sub objinfo {
377	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
378	}	875	}
379		876
380	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
381		878
382	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
383		880
384	=cut	881	=cut
385		882
386	sub datalog($@) {	883	sub datalog($@) {
387	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	886	}
390		887
391	=back	888	=back
392		889
393	=cut	890	=cut
394		891
395	#############################################################################	892	#############################################################################
396		893
397	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
398		895
399	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
402		899
403	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	902	Deliantra).
406		903
407	=over 4	904	=over 4
408		905
409	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
410		907
…		…
454	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
455		952
456	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
458		955
459	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
461		958
462	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
463		960
464	=over 4	961	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
574		1071
575	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1076
580	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
582		1079
583	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
588		1085
589	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1088
592	} elsif (ref $type) {	1089	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
594		1091
595	} else {	1092	} else {
596	shift @arg;	1093	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
598	}	1095	}
599	}	1096	}
600	}	1097	}
601		1098
602	sub _object_attach {	1099	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
613	}	1110	}
614		1111
615	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
616	} else {	1113	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1115	}
619		1116
620	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
621	}	1118	}
622		1119
…		…
624	if (ref $_[0]) {	1121	if (ref $_[0]) {
625	_object_attach @_;	1122	_object_attach @_;
626	} else {	1123	} else {
627	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
628	}	1125	}
		1126	_recalc_want;
629	};	1127	};
630		1128
631	# all those should be optimised	1129	# all those should be optimised
632	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1135	reattach ($obj);
638	} else {	1136	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
640	}	1138	}
		1139	_recalc_want;
641	};	1140	};
642		1141
643	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
645		1144
…		…
660	";	1159	";
661	die if $@;	1160	die if $@;
662	}	1161	}
663		1162
664	our $override;	1163	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1165
667	sub override {	1166	sub override {
668	$override = 1;	1167	$override = 1;
669	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
670	}	1169	}
671		1170
672	sub do_invoke {	1171	sub do_invoke {
673	my $event = shift;	1172	my $event = shift;
674	my $callbacks = shift;	1173	my $callbacks = shift;
675		1174
676	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
677		1176
678	local $override;	1177	local $override;
679		1178
680	for (@$callbacks) {	1179	for (@$callbacks) {
681	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
682		1181
683	if ($@) {	1182	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1184	override;
687	}	1185	}
688		1186
689	return 1 if $override;	1187	return 1 if $override;
690	}	1188	}
691		1189
692	0	1190	0
693	}	1191	}
694		1192
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1194
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1196
699	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
700		1198
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1202
705	=back	1203	=back
706		1204
707	=cut	1205	=cut
708		1206
709	#############################################################################	1207	#############################################################################
710	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
711		1251
712	sub reattach {	1252	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1254	my ($obj) = @_;
715		1255
		1256	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1258
718	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
719		1260
720	@$registry = ();	1261	@$registry = ();
721		1262
…		…
726	for (@$attach) {	1267	for (@$attach) {
727	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
729	}	1270	}
730	} else {	1271	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1273	}
733	}	1274	}
734	}	1275	}
735		1276
736	cf::attachable->attach (	1277	cf::attachable->attach (
737	prio => -1000000,	1278	prio => -1000000,
738	on_instantiate => sub {	1279	on_instantiate => sub {
739	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
740		1281
741	$data = from_json $data;	1282	$data = decode_json $data;
742		1283
743	for (@$data) {	1284	for (@$data) {
744	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
745		1286
746	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1303	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
764		1305
765	sync_job {	1306	sync_job {
766	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
769		1312
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
774	close $fh;	1320	aio_close $fh;
775		1321
776	if (@$objs) {	1322	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
782	close $fh;	1331	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
784	}	1333	}
785	} else {	1334	} else {
786	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
787	}	1336	}
788		1337
789	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1342	} else {
791	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
792	}	1344	}
793	} else {	1345	} else {
794	aio_unlink $filename;	1346	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
796	}	1348	}
797	}	1349	};
798	}	1350	}
799		1351
800	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
802		1354
…		…
814	or return;	1366	or return;
815		1367
816	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
818	or return;	1370	or return;
		1371
819	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
820	}	1374	}
821		1375
		1376	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
824	return ($data, $av);	1381	($data, $av)
825	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
826		1389
827	#############################################################################	1390	#############################################################################
828	# command handling &c	1391	# command handling &c
829		1392
830	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1407	}
845		1408
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1410
848	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
849		1416
850	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
851	called.	1418	called.
852		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
853	=cut	1431	=cut
854		1432
855	sub register_extcmd {	1433	sub register_extcmd {
856	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
857		1435
858	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
859	}	1437	}
860		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
861	cf::player->attach (	1447	cf::player->attach (
862	on_command => sub {	1448	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
864		1450
865	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
866	or return;	1452	or return;
867		1453
…		…
872	cf::override;	1458	cf::override;
873	},	1459	},
874	on_extcmd => sub {	1460	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
876		1462
877	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1464
879	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
885	} else {	1480	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1482	}
888		1483
889	cf::override;	1484	cf::override;
890	},	1485	},
891	);	1486	);
892		1487
		1488	# "readahead" all extensions
893	sub load_extension {	1489	sub cache_extensions {
894	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
895		1491
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1495	}
921	die $@;
922	}	1496	};
923		1497
924	push @EXTS, $pkg;	1498	$grp
925	}	1499	}
926		1500
927	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
928	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1508	next unless -r $path;
930	eval {	1509
931	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
932	1	1573	}
933	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
934	}	1586	};
935	}	1587	}
936		1588
937	#############################################################################	1589	#############################################################################
938		1590
		1591	=back
		1592
939	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
940		1594
941	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
942		1596
943	=cut	1597	=cut
944		1598
945	package cf::player;	1599	package cf::player;
946		1600
…		…
948		1602
949	=head3 cf::player	1603	=head3 cf::player
950		1604
951	=over 4	1605	=over 4
952		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
953	=item cf::player::find $login	1621	=item cf::player::find $login
954		1622
955	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
956		1624
957	=cut	1625	=cut
958		1626
959	sub playerdir($) {	1627	sub playerdir($) {
960	cf::localdir	1628	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1630	}
966		1631
967	sub path($) {	1632	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1643
979	sub exists($) {	1644	sub exists($) {
980	my ($login) = @_;	1645	my ($login) = @_;
981		1646
982	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
984	}	1649	}
985		1650
986	sub find($) {	1651	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1653	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
999		1664
1000	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1003	}	1674	}
1004	}	1675	}
1005	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1006		1690
1007	sub save($) {	1691	sub save($) {
1008	my ($pl) = @_;	1692	my ($pl) = @_;
1009		1693
1010	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1016		1700
1017	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1019		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1020	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1021	Coro::cede;	1710	cf::cede_to_tick;
1022	}	1711	}
1023		1712
1024	sub new($) {	1713	sub new($) {
1025	my ($login) = @_;	1714	my ($login) = @_;
1026		1715
…		…
1032	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1033		1722
1034	$self	1723	$self
1035	}	1724	}
1036		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1037	=item $pl->quit_character	1736	=item $pl->quit_character
1038		1737
1039	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1041		1740
…		…
1045	my ($pl) = @_;	1744	my ($pl) = @_;
1046		1745
1047	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1048		1747
1049	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1750
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1055	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1056		1759
1057	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1089		1792
1090	=cut	1793	=cut
1091		1794
1092	sub list_logins {	1795	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1797	or return [];
1095		1798
1096	my @logins;	1799	my @logins;
1097		1800
1098	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1102		1811
1103	utf8::decode $login;	1812	utf8::decode $login;
1104	push @logins, $login;	1813	push @logins, $login;
1105	}	1814	}
1106		1815
1107	\@logins	1816	\@logins
1108	}	1817	}
1109		1818
1110	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1111		1822
1112	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1113	player. May block.	1824	player. May block.
1114		1825
1115	=cut	1826	=cut
…		…
1133	}	1844	}
1134		1845
1135	\@paths	1846	\@paths
1136	}	1847	}
1137		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1138	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1139		1854
1140	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1141		1856
1142	=cut	1857	=cut
1143		1858
1144	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1146		1861
1147	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1863	}
1151		1864
1152	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1153		1866
1154	Sends an ext event to the client.	1867	Sends an ext event to the client.
1155		1868
1156	=cut	1869	=cut
1157		1870
1158	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1160		1873
1161	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1162	}	1875	}
1163		1876
1164	=head3 cf::region	1877	=head3 cf::region
1165		1878
1166	=over 4	1879	=over 4
…		…
1169		1882
1170	package cf::region;	1883	package cf::region;
1171		1884
1172	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1173		1886
1174	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1175		1888
1176	=cut	1889	=cut
1177		1890
1178	sub find_by_path($) {	1891	sub find_by_path($) {
1179	my ($path) = @_;	1892	my ($path) = @_;
1180		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1181	my ($match, $specificity);	1896	my ($match, $specificity);
1182		1897
1183	for my $region (list) {	1898	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1187	}	1902	}
1188	}	1903	}
1189		1904
…		…
1210	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1212		1927
1213	sub generate_random_map {	1928	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1216	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1934	}
1230		1935
1231	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1232		1937
1233	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1238		1943
1239	sub register {	1944	sub register {
1240	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1946	my $pkg = caller;
1242		1947
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1949
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1951	}
1248		1952
1249	# also paths starting with '/'	1953	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1955
1252	sub thawer_merge {	1956	sub thawer_merge {
1253	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1254		1958
1255	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1256	local $self->{path};	1960	local $self->{path};
1257	local $self->{load_path};	1961	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1962
1261	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1262	}	1964	}
1263		1965
1264	sub normalise {	1966	sub normalise {
1265	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1266		1968
1267	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1268		1970
1269	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1270		1972
1271	# map plan:	1973	# map plan:
1272	#	1974	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1990	$path = "$base/$path";
1289	}	1991	}
1290		1992
1291	for ($path) {	1993	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1295	}	1996	}
1296		1997
1297	$path	1998	$path
…		…
1311	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1312	return $self;	2013	return $self;
1313	}	2014	}
1314	}	2015	}
1315		2016
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2018	()
1318	}	2019	}
1319		2020
		2021	# may re-bless or do other evil things
1320	sub init {	2022	sub init {
1321	my ($self) = @_;	2023	my ($self) = @_;
1322		2024
1323	$self	2025	$self
1324	}	2026	}
…		…
1336		2038
1337	# the original (read-only) location	2039	# the original (read-only) location
1338	sub load_path {	2040	sub load_path {
1339	my ($self) = @_;	2041	my ($self) = @_;
1340		2042
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1342	}	2044	}
1343		2045
1344	# the temporary/swap location	2046	# the temporary/swap location
1345	sub save_path {	2047	sub save_path {
1346	my ($self) = @_;	2048	my ($self) = @_;
1347		2049
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1350	}	2052	}
1351		2053
1352	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1353	sub uniq_path {	2055	sub uniq_path {
1354	my ($self) = @_;	2056	my ($self) = @_;
1355		2057
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1358	}	2060	}
1359		2061
1360	# and all this just because we cannot iterate over	2062	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2063	my ($self) = @_;
1364		2064
1365	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1367	}	2068	}
1368		2069
1369	sub unlink_save {	2070	sub unlink_save {
1370	my ($self) = @_;	2071	my ($self) = @_;
1371		2072
…		…
1376		2077
1377	sub load_header_from($) {	2078	sub load_header_from($) {
1378	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1379		2080
1380	utf8::encode $path;	2081	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2083	or return;
1386		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1387	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1388		2092
1389	1	2093	1
1390	}	2094	}
1391		2095
		2096	# used to laod the header of an original map
1392	sub load_header_orig {	2097	sub load_header_orig {
1393	my ($self) = @_;	2098	my ($self) = @_;
1394		2099
1395	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1396	}	2101	}
1397		2102
		2103	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2104	sub load_header_temp {
1399	my ($self) = @_;	2105	my ($self) = @_;
1400		2106
1401	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1402	}	2108	}
1403		2109
		2110	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2111	sub prepare_temp {
1405	my ($self) = @_;	2112	my ($self) = @_;
1406		2113
1407	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1409	# safety	2116	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2119	}
1413		2120
		2121	# called after loading the header from an original map
1414	sub prepare_orig {	2122	sub prepare_orig {
1415	my ($self) = @_;	2123	my ($self) = @_;
1416		2124
1417	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2137	$self->load_header_orig
1430	or return;	2138	or return;
1431	$self->prepare_orig;	2139	$self->prepare_orig;
1432	}	2140	}
1433		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1434	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2146	unless $self->default_region;
1436		2147
1437	1	2148	1
1438	}	2149	}
1439		2150
1440	sub find;	2151	sub find;
1441	sub find {	2152	sub find {
1442	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1443		2154
		2155	cf::cede_to_tick;
		2156
1444	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1445		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2161
1448	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1451	or return;	2164	or return;
1452		2165
1453	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1454		2167
1455	$map->load_header	2168	$map->load_header
1456	or return;	2169	or return;
1457		2170
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1461	$map->reset;	2176	$map->reset;
1462	undef $guard;
1463	return find $path;	2177	return find $path;
1464	}	2178	}
1465		2179
1466	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1467	}	2181	}
1468	}	2182	}
1469		2183
1470	sub pre_load { }	2184	sub pre_load { }
1471	sub post_load { }	2185	#sub post_load { } # XS
1472		2186
1473	sub load {	2187	sub load {
1474	my ($self) = @_;	2188	my ($self) = @_;
1475		2189
1476	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1477		2191
1478	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1480		2196
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1482		2199
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2200	$self->alloc;
1486		2201
1487	$self->pre_load;	2202	$self->pre_load;
1488	Coro::cede;	2203	cf::cede_to_tick;
1489		2204
1490	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1491	or return;	2209	or return;
1492		2210
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1494	if delete $self->{load_original};	2212	if delete $self->{load_original};
1495		2213
1496	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2215	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2218	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1501	}	2223	}
1502	}
1503		2224
1504	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1505	# now do the right thing for maps	2234	# now do the right thing for maps
1506	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2237	unless $self->difficulty;
1517	Coro::cede;	2238	cf::cede_to_tick;
1518	$self->activate;	2239
1519	Coro::cede;	2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1520	}	2250	}
1521		2251
1522	$self->post_load;	2252	$self->post_load;
1523	Coro::cede;
1524		2253
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1526	}	2255	}
1527		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2260	sub customise_for {
1529	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1530		2262
1531	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2264	if $self->per_player;
1533		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1534	$self	2269	$self
1535	}	2270	}
1536		2271
1537	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2273	sub load_neighbours {
1539	my ($map) = @_;	2274	my ($map) = @_;
1540		2275
1541	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1542		2277
1543	for (0 .. 3) {	2278	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1545	or next;	2280	or next;
1546	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1547	or next;	2282	or next;
1548	$neigh->load;	2283	$neigh->load;
1549		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2289	}
1553		2290
1554	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1556	or next;	2294	or next;
1557	$neigh->load;	2295	$neigh->load;
1558	}	2296	}
1559	}	2297	}
1560		2298
1561	sub find_sync {	2299	sub find_sync {
1562	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1563		2301
1564	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1565	}	2307	}
1566		2308
1567	sub do_load_sync {	2309	sub do_load_sync {
1568	my ($map) = @_;	2310	my ($map) = @_;
1569		2311
1570	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1571	}	2317	}
1572		2318
1573	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1575		2321
1576	sub find_async {	2322	sub find_async {
1577	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1578		2324
1579	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1580		2326
1581	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1583	}	2329	}
1584		2330
1585	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1586	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1587	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2338	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2339	$map->load if $v;
		2340	}
1592		2341
1593	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1594	}	2343	}
1595	}	2344	}
1596	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1597	};	2346	};
1598	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1599		2348
1600	()	2349	()
1601	}	2350	}
1602		2351
		2352	# common code, used by both ->save and ->swapout
1603	sub save {	2353	sub _save {
1604	my ($self) = @_;	2354	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2355
1608	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1609		2357
1610	return unless $self->dirty;	2358	return unless $self->dirty;
1611		2359
…		…
1617	return if $self->{deny_save};	2365	return if $self->{deny_save};
1618		2366
1619	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1620		2368
1621	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1623	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1624		2375
1625	if ($uniq) {	2376	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2379	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2381	}
1631	}	2382	}
1632		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1633	sub swap_out {	2392	sub swap_out {
1634	my ($self) = @_;	2393	my ($self) = @_;
1635		2394
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1641	return if $self->players;	2399	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1645	$self->clear;	2410	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2411	}
1648		2412
1649	sub reset_at {	2413	sub reset_at {
1650	my ($self) = @_;	2414	my ($self) = @_;
1651		2415
1652	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1655		2418
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2421
…		…
1669	my ($self) = @_;	2432	my ($self) = @_;
1670		2433
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2435
1673	return if $self->players;	2436	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2437
1676	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1677		2439
1678	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1679		2441
1680	# need to save uniques path	2442	# need to save uniques path
1681	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1682	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1683		2445
…		…
1685	if $uniq;	2447	if $uniq;
1686	}	2448	}
1687		2449
1688	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1689		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2454	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2455
1694	$self->unlink_save;	2456	$self->unlink_save;
1695	$self->destroy;	2457	$self->destroy;
1696	}	2458	}
1697		2459
1698	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1699		2461
1700	sub nuke {	2462	sub nuke {
1701	my ($self) = @_;	2463	my ($self) = @_;
1702		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1703	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1704		2469
1705	$self->unlink_save;	2470	$self->unlink_save;
1706		2471
1707	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2477
1713	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1714		2480
1715	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1716	}	2518	}
1717		2519
1718	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1719		2521
1720	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2523	instantiated unique items. May block.
1722		2524
1723	=cut	2525	=cut
1724		2526
1725	sub unique_maps() {	2527	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1727	or return;	2529	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2530	utf8::decode $_;
1733	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2533	? ()
1736	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2536	]
1738
1739	\@paths
1740	}	2537	}
1741		2538
1742	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1743		2570
1744	=back	2571	=back
1745		2572
1746	=head3 cf::object	2573	=head3 cf::object
1747		2574
…		…
1751		2578
1752	=over 4	2579	=over 4
1753		2580
1754	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1755		2582
1756	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1757		2585
1758	=cut	2586	=cut
1759		2587
1760	sub inv_recursive_;	2588	sub inv_recursive_;
1761	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1764		2592
1765	sub inv_recursive {	2593	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1767	}	2595	}
1768		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1769	package cf;	2625	package cf;
1770		2626
1771	=back	2627	=back
1772		2628
1773	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1782		2638
1783	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1784		2654
1785	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2656	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1790		2660
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2662
1793	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1795	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1798	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1799	}	2688	}
1800		2689
1801	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1802		2691
1803	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1816		2705
1817	=item $player_object->enter_link	2706	=item $player_object->enter_link
1818		2707
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2709
1821	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1823		2714
1824	Will never block.	2715	Will never block.
1825		2716
1826	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1827		2718
…		…
1847	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2739	my ($self) = @_;
1849		2740
1850	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1851		2742
		2743	++$self->{_link_recursion};
		2744
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2746
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1856		2749
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2751	}
1859		2752
1860	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1862		2757
1863	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1864		2759
1865	unless ($map) {	2760	unless ($map) {
1866	# restore original map position	2761	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1879		2774
1880	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1883		2778
1884	$map->load;	2779	$map->load;
1885	$map->load_diag;	2780	$map->load_neighbours;
1886		2781
1887	return unless $self->contr->active;	2782	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2783
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1892	}	2786	# entering was successful
1893		2787	delete $self->{_link_recursion};
1894	cf::player->attach (	2788	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2789	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2790	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2791
1908	# try to abort aborted map switching on player login :)	2792	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2793
1926	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1928	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1929		2808
1930	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2820
1933	$self->enter_link;	2821	$self->enter_link;
1934		2822
1935	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1936	my $map = eval {	2845	my $map = eval {
1937	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
		2851	} else {
		2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
		2854
1939	$map	2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2861	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1944	})->prio (1);	2869	})->prio (1);
1945	}	2870	}
1946		2871
1947	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1948		2873
…		…
1968	}	2893	}
1969		2894
1970	sub prepare_random_map {	2895	sub prepare_random_map {
1971	my ($exit) = @_;	2896	my ($exit) = @_;
1972		2897
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2900	# that depends on the exit object
1978		2901
1979	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2904	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1986	}	2911	}
1987		2912
1988	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1989		2914
1990	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1993		2918
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2921	undef $fh;
1997	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1998		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2001	}	2930	}
2002	}	2931	}
2003		2932
2004	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2006		2935
2007	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2008		2937
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2938	$self->enter_link;
2021		2939
2022	(async {	2940	(async {
2023	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2024	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2025	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2026		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2027	1;	2979	1
2028	}) {	2980	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2985
2034	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2987	$self->leave_link;
2036	}	2988	}
2037	})->prio (1);	2989	})->prio (1);
2038	}	2990	}
2039		2991
…		…
2053		3005
2054	utf8::encode $text;	3006	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	3008	}
2057		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
2058	=item $client->ext_event ($type, %msg)	3197	=item $client->ext_msg ($type, @msg)
2059		3198
2060	Sends an exti event to the client.	3199	Sends an ext event to the client.
2061		3200
2062	=cut	3201	=cut
2063		3202
2064	sub cf::client::ext_event($$%) {	3203	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3204	my ($self, $type, @msg) = @_;
2066		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3209	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
2069	}	3230	}
2070		3231
2071	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2072		3233
2073	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3237
2077	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3239	become reliable at some point in the future.
2079		3240
2080	=cut	3241	=cut
2081		3242
2082	sub cf::client::query {	3243	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3252	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3254
2094	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2096	}	3259	}
2097		3260
2098	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2099	on_reply => sub {	3267	on_reply => sub {
2100	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2101		3269
2102	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2103	# get handled first	3271	# get handled first
…		…
2115	} else {	3283	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3285	}
2118	}	3286	}
2119	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2120	);	3314	);
2121		3315
2122	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2123		3317
2124	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3334
2141	$coro	3335	$coro
2142	}	3336	}
2143		3337
2144	cf::client->attach (	3338	cf::client->attach (
2145	on_destroy => sub {	3339	on_client_destroy => sub {
2146	my ($ns) = @_;	3340	my ($ns) = @_;
2147		3341
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3343	},
2150	);	3344	);
…		…
2165	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2167		3361
2168	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2169		3363
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2171		3369
2172	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2173		3371
2174	=pod	3372	=pod
2175		3373
2176	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2177		3375
2178	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2179	cf::object::player player	3381	cf::object::player
2180	cf::player peaceful	3382	player
2181	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2182		3389
2183	=cut	3390	=cut
2184		3391
2185	for (	3392	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2190	) {	3399	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3402	for @funs;
2195	}	3403	}
2196		3404
…		…
2211		3419
2212	my $qcode = $code;	3420	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2215		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2216	local $_;	3427	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3428
2219	my $eval =	3429	my $eval =
2220	"do {\n"	3430	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3433	. $code
2224	. "\n}"	3434	. "\n}"
2225	;	3435	;
2226		3436
		3437	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2230		3446
2231	if ($@) {	3447	if ($@) {
2232	warn "$@";	3448	warn "$@",
2233	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2235	}	3451	}
2236		3452
2237	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2238	}	3454	}
2239		3455
…		…
2253	=cut	3469	=cut
2254		3470
2255	sub register_script_function {	3471	sub register_script_function {
2256	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2257		3473
2258	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2260	}	3476	}
2261		3477
2262	=back	3478	=back
2263		3479
2264	=cut	3480	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3481
2435	#############################################################################	3482	#############################################################################
2436	# the server's init and main functions	3483	# the server's init and main functions
2437		3484
2438	sub load_facedata($) {	3485	sub load_facedata($) {
2439	my ($path) = @_;	3486	my ($path) = @_;
2440		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2441	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2442		3495
2443	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2444	0 < aio_load $path, $facedata
2445	or die "$path: $!";
2446
2447	$facedata = Coro::Storable::thaw $facedata;
2448		3497
2449	$facedata->{version} == 2	3498	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2452	{	3510	{
2453	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2454		3512
2455	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2461	}	3523	}
2462		3524
2463	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2465	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2466	or next;	3529	or next;
		3530
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3534	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3536	}
2472	Coro::cede;	3537
		3538	cf::cede_to_tick;
2473	}	3539	}
2474	}	3540	}
2475		3541
2476	{	3542	{
2477	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2478		3544
2479	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3547	cf::cede_to_tick;
2482	}	3548	}
2483		3549
2484	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2485	}	3551	}
2486		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
2487	1	3572	1
2488	}	3573	}
2489		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
2490	sub reload_facedata {	3607	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3608	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3609	or die "unable to load facedata\n";
2493	}	3610	}
2494		3611
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3612	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3613	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3614	or die "unable to load archetypes\n";
2503	}	3615	}
2504		3616
2505	sub reload_treasures {	3617	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3618	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
2508	}	3620	}
2509		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
2510	sub reload_resources {	3642	sub reload_resources {
2511	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
2512		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
2513	reload_regions;	3650	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3651	reload_treasures;
2517		3652
2518	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
2519	}	3654	}
2520		3655
2521	sub init {	3656	sub reload_config {
2522	reload_resources;	3657	trace "reloading config file...\n";
2523	}
2524		3658
2525	sub cfg_load {	3659	my $config = load_file "$CONFDIR/config";
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3660	utf8::decode $config;
2527	or return;	3661	*CFG = decode_yaml $config;
2528		3662
2529	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;
2531
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3664
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3667
2537	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2541	};	3672	};
2542	warn $@ if $@;	3673	warn $@ if $@;
2543	}	3674	}
2544	}	3675	}
2545		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2546	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2547	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3718	(async {
2551	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2553	};	3722	};
2554		3723
2555	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2556	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2557	load_extensions;	3747	load_extensions;
2558		3748
2559	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2561	}	3767	}
2562		3768
2563	#############################################################################	3769	#############################################################################
2564	# initialisation and cleanup	3770	# initialisation and cleanup
2565		3771
2566	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2567	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2576	},
2577	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2578	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2579	}	3868	}
2580		3869
2581	sub emergency_save() {	3870	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2583		3872
2584	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2585		3879
2586	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2587	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3891	$pl->save;
2595	}	3892	}
2596	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2597		3894
2598	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3900	$map->valid or next;
2602	$map->save;	3901	$map->save;
2603	}	3902	}
2604	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2605		3904
2606	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3933	};
2610		3934
2611	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2612	}	3936	}
2613		3937
2614	sub post_cleanup {	3938	sub post_cleanup {
2615	my ($make_core) = @_;	3939	my ($make_core) = @_;
2616		3940
		3941	IO::AIO::flush;
		3942
2617	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
2619	}	3973	}
2620		3974
2621	sub do_reload_perl() {	3975	sub do_reload_perl() {
2622	# can/must only be called in main	3976	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2624	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2625	return;	3979	return;
2626	}	3980	}
2627		3981
2628	warn "reloading...";	3982	return if $RELOAD++;
2629		3983
2630	warn "entering sync_job";	3984	my $t1 = AE::time;
2631		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2632	cf::sync_job {	3992	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3993	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3994
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3997	%EXT_CORO = ();
2661		3998
2662	warn "removing commands";	3999	trace "perl_reload: removing commands";
2663	%COMMAND = ();	4000	%COMMAND = ();
2664		4001
2665	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2667		4005
2668	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2671		4009
2672	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2673	eval {	4011	eval {
2674	$cb->($pkg);	4012	$cb->($pkg);
2675	1	4013	1
2676	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2677	}	4019	}
2678		4020
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		4024
2687	warn "... unloading $k";	4025	trace "... unloading $k";
2688	delete $INC{$k};	4026	delete $INC{$k};
2689		4027
2690	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2692		4030
2693	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2695	}	4036	}
2696		4037
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		4041
2704	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		4045
2708	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2709	# and global variables created in xs	4047	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2711		4049
2712	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2713		4051
2714	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2715	require cf;	4053	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2717		4055
2718	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2719	cf::cfg_load;	4057	cf::reload_config;
2720		4058
2721	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2722	cf::load_extensions;	4060	cf::load_extensions;
2723		4061
		4062	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2727	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2730		4070
2731	warn "leaving sync_job";	4071	cf::_post_init 1;
2732		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
2733	1	4075	1
2734	} or do {	4076	} or do {
2735	warn $@;	4077	error $@;
2736	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2737	exit 1;	4079	};
		4080
		4081	--$RELOAD;
2738	};	4082	}
2739		4083
2740	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
2741	};	4086	};
2742		4087
2743	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
2744		4089
2745	sub reload_perl() {	4090	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
2748		4093
2749	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	4096
2752	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4098	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
2756	},	4100	};
2757	);	4101	};
2758	}	4102	}
2759		4103
2760	register_command "reload" => sub {	4104	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2762		4106
2763	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4111	reload_perl;
		4112	};
2766	}	4113	}
2767	};	4114	};
2768		4115
2769	unshift @INC, $LIBDIR;	4116	#############################################################################
2770		4117
2771	my $bug_warning = 0;	4118	my $bug_warning = 0;
2772		4119
2773	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;
2775
2776	sub wait_for_tick {	4120	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2778	return if $Coro::current == $Coro::main;
2779		4122
2780	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
2781	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;
2783	}	4124	}
2784		4125
2785	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2787	return if $Coro::current == $Coro::main;
2788		4128
2789	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4131	$signal->wait;
2792	}	4132	}
2793		4133
2794	$TICK_WATCHER = Event->timer (	4134	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2804	return;	4138	return;
2805	}	4139	}
2806		4140
2807	$NOW = Event::time;	4141	cf::one_tick; # one server iteration
2808		4142
2809	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810		4144
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4149	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4151	};
		4152	}
2821		4153
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4155	$sig->send;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4156	}
2840	);	4157	$WAIT_FOR_TICK->broadcast;
		4158
		4159	$LOAD = ($NOW - $TICK_START) / $TICK;
		4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4161
		4162	if (0) {
		4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
		4168	}
		4169	}
2841		4170
2842	{	4171	{
2843	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4173
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2853		4175	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4177
2869	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4185
2872	cf::sync_job {	4186	cf::sync_job {
2873	eval {	4187	eval {
2874	BDB::db_env_open	4188	BDB::db_env_open
2875	$DB_ENV,	4189	$DB_ENV,
2876	$BDB_ENV_DIR,	4190	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4193	0666;
2880		4194
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4196	};
2886		4197
2887	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4199	};
2889	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
2890	}	4211	}
2891		4212
2892	{	4213	{
		4214	# configure IO::AIO
		4215
2893	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4219	}
2899	data => WF_AUTOCANCEL,	4220
2900	fd => IO::AIO::poll_fileno,	4221	our $_log_backtrace;
2901	poll => 'r',	4222	our $_log_backtrace_last;
2902	prio => 6,	4223
2903	cb => \&IO::AIO::poll_cb,	4224	sub _log_backtrace {
2904	);	4225	my ($msg, @addr) = @_;
		4226
		4227	$msg =~ s/\n$//;
		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4265	}
2905	}	4266	}
2906		4267
2907	# load additional modules	4268	# load additional modules
2908	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2909		4271
2910	END { cf::emergency_save }	4272	END { cf::emergency_save }
2911		4273
2912	1	4274	1
2913		4275

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