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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 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 Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	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;
58		120
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	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;
64	our $NOW;	138	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		139
67	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		143
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
84	binmode STDOUT;	160	binmode STDOUT;
85	binmode STDERR;	161	binmode STDERR;
86		162
87	# read virtual server time, if available	163	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
92	}	168	}
93		169
94	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	171
96	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		174
101	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
102		176
103	sub cf::map::normalise;	177	sub cf::map::normalise;
104		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
105	#############################################################################	183	#############################################################################
106		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
107	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
108		197
109	=over 4	198	=over 4
110		199
111	=item $cf::UPTIME	200	=item $cf::UPTIME
112		201
113	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.
114		218
115	=item $cf::RUNTIME	219	=item $cf::RUNTIME
116		220
117	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
118	every server tick.	222	every server tick.
119		223
120	=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
121		227
122	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		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
125	=item $cf::NOW	239	=item $cf::LOAD
126		240
127	The time of the last (current) server tick.	241	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		242
133	=item %cf::CFG	243	=item %cf::CFG
134		244
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	246	from wherever your confdir points to.
137		247
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		249
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
144	=back	283	=back
145		284
146	=cut	285	=cut
147		286
148	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	294	my $msg = join "", @_;
151	utf8::encode $msg;
152		295
153	$msg .= "\n"	296	$msg .= "\n"
154	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
155		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
156	LOG llevError, $msg;	301	LOG llevWarn, $msg;
157	};	302	};
158	}	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	};
159		317
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		325
167	# 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
168	# within the Safe compartment.	327	# within the Safe compartment.
169	for my $pkg (qw(	328	for my $pkg (qw(
170	cf::global cf::attachable	329	cf::global cf::attachable
171	cf::object cf::object::player	330	cf::object cf::object::player
172	cf::client cf::player	331	cf::client cf::player
173	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
174	cf::map cf::party cf::region	334	cf::party cf::region
175	)) {	335	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	337	}
179		338
180	$Event::DIED = sub {	339	$EV::DIED = sub {
181	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
182	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
183		349
184	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
185		351
186	=over 4	352	=over 4
187		353
…		…
206	$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;
207	$d	373	$d
208	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
209	}	375	}
210		376
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
212		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
213	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
214		392
215	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
216		394
217	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
218		396
219	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	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
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	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;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$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	}
268	};	578	}
269	$TICK_WATCHER->stop;	579	};
270	$guard	580
		581	sub get_slot($;$$) {
		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;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		612
289	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
290	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
291	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
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		684
351	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.
352		689
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
354	or return;
355		691
356	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
358	# 60 allows for the watchdog to kill the server.	694	}
359		695
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
361	and return;	697	my ($cb, @args) = @_;
362		698
363	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
365	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	close $fh	703	my @res = Coro::Util::fork_eval {
368	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
370	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
371	and return;	709	}
372		710
		711	sub objinfo {
373	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"
374	}	875	}
375		876
376	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
377		878
378	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.
379		880
380	=cut	881	=cut
381		882
382	sub datalog($@) {	883	sub datalog($@) {
383	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	886	}
386		887
387	=back	888	=back
388		889
389	=cut	890	=cut
390		891
391	#############################################################################	892	#############################################################################
392		893
393	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
394		895
395	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
396	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")
397	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
398		899
399	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>
400	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
401	crossfire+).	902	Deliantra).
402		903
403	=over 4	904	=over 4
404		905
405	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
406		907
…		…
450	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
451		952
452	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
453	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
454		955
455	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		958
458	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
459		960
460	=over 4	961	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
570		1071
571	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1076
576	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
578		1079
579	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
584		1085
585	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1088
588	} elsif (ref $type) {	1089	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
590		1091
591	} else {	1092	} else {
592	shift @arg;	1093	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
594	}	1095	}
595	}	1096	}
596	}	1097	}
597		1098
598	sub _object_attach {	1099	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
609	}	1110	}
610		1111
611	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
612	} else {	1113	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1115	}
615		1116
616	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
617	}	1118	}
618		1119
…		…
620	if (ref $_[0]) {	1121	if (ref $_[0]) {
621	_object_attach @_;	1122	_object_attach @_;
622	} else {	1123	} else {
623	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
624	}	1125	}
		1126	_recalc_want;
625	};	1127	};
626		1128
627	# all those should be optimised	1129	# all those should be optimised
628	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1135	reattach ($obj);
634	} else {	1136	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
636	}	1138	}
		1139	_recalc_want;
637	};	1140	};
638		1141
639	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
641		1144
…		…
656	";	1159	";
657	die if $@;	1160	die if $@;
658	}	1161	}
659		1162
660	our $override;	1163	our $override;
661	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?
662		1165
663	sub override {	1166	sub override {
664	$override = 1;	1167	$override = 1;
665	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
666	}	1169	}
667		1170
668	sub do_invoke {	1171	sub do_invoke {
669	my $event = shift;	1172	my $event = shift;
670	my $callbacks = shift;	1173	my $callbacks = shift;
671		1174
672	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
673		1176
674	local $override;	1177	local $override;
675		1178
676	for (@$callbacks) {	1179	for (@$callbacks) {
677	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
678		1181
679	if ($@) {	1182	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1184	override;
683	}	1185	}
684		1186
685	return 1 if $override;	1187	return 1 if $override;
686	}	1188	}
687		1189
688	0	1190	0
689	}	1191	}
690		1192
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1194
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1196
695	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
696		1198
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1202
701	=back	1203	=back
702		1204
703	=cut	1205	=cut
704		1206
705	#############################################################################	1207	#############################################################################
706	# 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	}
707		1251
708	sub reattach {	1252	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1254	my ($obj) = @_;
711		1255
		1256	# no longer needed after getting rid of delete_package?
712	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
713		1258
714	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
715		1260
716	@$registry = ();	1261	@$registry = ();
717		1262
…		…
722	for (@$attach) {	1267	for (@$attach) {
723	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
725	}	1270	}
726	} else {	1271	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1273	}
729	}	1274	}
730	}	1275	}
731		1276
732	cf::attachable->attach (	1277	cf::attachable->attach (
733	prio => -1000000,	1278	prio => -1000000,
734	on_instantiate => sub {	1279	on_instantiate => sub {
735	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
736		1281
737	$data = from_json $data;	1282	$data = decode_json $data;
738		1283
739	for (@$data) {	1284	for (@$data) {
740	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
741		1286
742	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1303	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
760		1305
761	sync_job {	1306	sync_job {
762	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
765		1312
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1320	aio_close $fh;
771		1321
772	if (@$objs) {	1322	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1331	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
780	}	1333	}
781	} else {	1334	} else {
782	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
783	}	1336	}
784		1337
785	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1342	} else {
787	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
788	}	1344	}
789	} else {	1345	} else {
790	aio_unlink $filename;	1346	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
792	}	1348	}
793	}	1349	};
794	}	1350	}
795		1351
796	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
798		1354
…		…
810	or return;	1366	or return;
811		1367
812	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
814	or return;	1370	or return;
		1371
815	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
816	}	1374	}
817		1375
		1376	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
820	return ($data, $av);	1381	($data, $av)
821	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
822		1389
823	#############################################################################	1390	#############################################################################
824	# command handling &c	1391	# command handling &c
825		1392
826	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1407	}
841		1408
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1410
844	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.
845		1416
846	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
847	called.	1418	called.
848		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
849	=cut	1431	=cut
850		1432
851	sub register_extcmd {	1433	sub register_extcmd {
852	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
853		1435
854	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
855	}	1437	}
856		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
857	cf::player->attach (	1447	cf::player->attach (
858	on_command => sub {	1448	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
860		1450
861	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
862	or return;	1452	or return;
863		1453
…		…
868	cf::override;	1458	cf::override;
869	},	1459	},
870	on_extcmd => sub {	1460	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
872		1462
873	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1464
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
881	} else {	1480	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1482	}
884		1483
885	cf::override;	1484	cf::override;
886	},	1485	},
887	);	1486	);
888		1487
		1488	# "readahead" all extensions
889	sub load_extension {	1489	sub cache_extensions {
890	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
891		1491
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1495	}
917	die $@;
918	}	1496	};
919		1497
920	push @EXTS, $pkg;	1498	$grp
921	}	1499	}
922		1500
923	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
924	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1508	next unless -r $path;
926	eval {	1509
927	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	}
928	1	1573	}
929	} 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	}
930	}	1586	};
931	}	1587	}
932		1588
933	#############################################################################	1589	#############################################################################
934		1590
		1591	=back
		1592
935	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
936		1594
937	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
938		1596
939	=cut	1597	=cut
940		1598
941	package cf::player;	1599	package cf::player;
942		1600
…		…
944		1602
945	=head3 cf::player	1603	=head3 cf::player
946		1604
947	=over 4	1605	=over 4
948		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
949	=item cf::player::find $login	1621	=item cf::player::find $login
950		1622
951	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
952		1624
953	=cut	1625	=cut
954		1626
955	sub playerdir($) {	1627	sub playerdir($) {
956	cf::localdir	1628	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1630	}
962		1631
963	sub path($) {	1632	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1643
975	sub exists($) {	1644	sub exists($) {
976	my ($login) = @_;	1645	my ($login) = @_;
977		1646
978	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
980	}	1649	}
981		1650
982	sub find($) {	1651	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1653	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
995		1664
996	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
999	}	1674	}
1000	}	1675	}
1001	}	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	);
1002		1690
1003	sub save($) {	1691	sub save($) {
1004	my ($pl) = @_;	1692	my ($pl) = @_;
1005		1693
1006	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1012		1700
1013	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1017	Coro::cede;	1710	cf::cede_to_tick;
1018	}	1711	}
1019		1712
1020	sub new($) {	1713	sub new($) {
1021	my ($login) = @_;	1714	my ($login) = @_;
1022		1715
…		…
1028	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1029		1722
1030	$self	1723	$self
1031	}	1724	}
1032		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
1033	=item $pl->quit_character	1736	=item $pl->quit_character
1034		1737
1035	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
1036	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1037		1740
…		…
1041	my ($pl) = @_;	1744	my ($pl) = @_;
1042		1745
1043	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1044		1747
1045	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1046	$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
1047		1750
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1051	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1052		1759
1053	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1085		1792
1086	=cut	1793	=cut
1087		1794
1088	sub list_logins {	1795	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1797	or return [];
1091		1798
1092	my @logins;	1799	my @logins;
1093		1800
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1098		1811
1099	utf8::decode $login;	1812	utf8::decode $login;
1100	push @logins, $login;	1813	push @logins, $login;
1101	}	1814	}
1102		1815
1103	\@logins	1816	\@logins
1104	}	1817	}
1105		1818
1106	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1107		1822
1108	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1109	player. May block.	1824	player. May block.
1110		1825
1111	=cut	1826	=cut
…		…
1129	}	1844	}
1130		1845
1131	\@paths	1846	\@paths
1132	}	1847	}
1133		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1134	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1135		1854
1136	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1137		1856
1138	=cut	1857	=cut
1139		1858
1140	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1142		1861
1143	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1863	}
1147		1864
1148	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1149		1866
1150	Sends an ext event to the client.	1867	Sends an ext event to the client.
1151		1868
1152	=cut	1869	=cut
1153		1870
1154	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1156		1873
1157	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1158	}	1875	}
1159		1876
1160	=head3 cf::region	1877	=head3 cf::region
1161		1878
1162	=over 4	1879	=over 4
…		…
1165		1882
1166	package cf::region;	1883	package cf::region;
1167		1884
1168	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1169		1886
1170	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.
1171		1888
1172	=cut	1889	=cut
1173		1890
1174	sub find_by_path($) {	1891	sub find_by_path($) {
1175	my ($path) = @_;	1892	my ($path) = @_;
1176		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1177	my ($match, $specificity);	1896	my ($match, $specificity);
1178		1897
1179	for my $region (list) {	1898	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1183	}	1902	}
1184	}	1903	}
1185		1904
…		…
1206	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1208		1927
1209	sub generate_random_map {	1928	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1212	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1934	}
1226		1935
1227	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1228		1937
1229	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
…		…
1234		1943
1235	sub register {	1944	sub register {
1236	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1946	my $pkg = caller;
1238		1947
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1949
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1951	}
1244		1952
1245	# also paths starting with '/'	1953	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1955
1248	sub thawer_merge {	1956	sub thawer_merge {
1249	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1250		1958
1251	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1252	local $self->{path};	1960	local $self->{path};
1253	local $self->{load_path};	1961	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1962
1257	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1258	}	1964	}
1259		1965
1260	sub normalise {	1966	sub normalise {
1261	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1262		1968
1263	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1264		1970
1265	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1266		1972
1267	# map plan:	1973	# map plan:
1268	#	1974	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1990	$path = "$base/$path";
1285	}	1991	}
1286		1992
1287	for ($path) {	1993	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1291	}	1996	}
1292		1997
1293	$path	1998	$path
…		…
1307	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1308	return $self;	2013	return $self;
1309	}	2014	}
1310	}	2015	}
1311		2016
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2018	()
1314	}	2019	}
1315		2020
		2021	# may re-bless or do other evil things
1316	sub init {	2022	sub init {
1317	my ($self) = @_;	2023	my ($self) = @_;
1318		2024
1319	$self	2025	$self
1320	}	2026	}
…		…
1332		2038
1333	# the original (read-only) location	2039	# the original (read-only) location
1334	sub load_path {	2040	sub load_path {
1335	my ($self) = @_;	2041	my ($self) = @_;
1336		2042
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1338	}	2044	}
1339		2045
1340	# the temporary/swap location	2046	# the temporary/swap location
1341	sub save_path {	2047	sub save_path {
1342	my ($self) = @_;	2048	my ($self) = @_;
1343		2049
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1346	}	2052	}
1347		2053
1348	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1349	sub uniq_path {	2055	sub uniq_path {
1350	my ($self) = @_;	2056	my ($self) = @_;
1351		2057
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1354	}	2060	}
1355		2061
1356	# and all this just because we cannot iterate over	2062	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2063	my ($self) = @_;
1360		2064
1361	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1363	}	2068	}
1364		2069
1365	sub unlink_save {	2070	sub unlink_save {
1366	my ($self) = @_;	2071	my ($self) = @_;
1367		2072
…		…
1372		2077
1373	sub load_header_from($) {	2078	sub load_header_from($) {
1374	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1375		2080
1376	utf8::encode $path;	2081	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2083	or return;
1382		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1383	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1384		2092
1385	1	2093	1
1386	}	2094	}
1387		2095
		2096	# used to laod the header of an original map
1388	sub load_header_orig {	2097	sub load_header_orig {
1389	my ($self) = @_;	2098	my ($self) = @_;
1390		2099
1391	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1392	}	2101	}
1393		2102
		2103	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2104	sub load_header_temp {
1395	my ($self) = @_;	2105	my ($self) = @_;
1396		2106
1397	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1398	}	2108	}
1399		2109
		2110	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2111	sub prepare_temp {
1401	my ($self) = @_;	2112	my ($self) = @_;
1402		2113
1403	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1405	# safety	2116	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2119	}
1409		2120
		2121	# called after loading the header from an original map
1410	sub prepare_orig {	2122	sub prepare_orig {
1411	my ($self) = @_;	2123	my ($self) = @_;
1412		2124
1413	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2137	$self->load_header_orig
1426	or return;	2138	or return;
1427	$self->prepare_orig;	2139	$self->prepare_orig;
1428	}	2140	}
1429		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1430	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2146	unless $self->default_region;
1432		2147
1433	1	2148	1
1434	}	2149	}
1435		2150
1436	sub find;	2151	sub find;
1437	sub find {	2152	sub find {
1438	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1439		2154
		2155	cf::cede_to_tick;
		2156
1440	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1441		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2161
1444	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1447	or return;	2164	or return;
1448		2165
1449	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1450		2167
1451	$map->load_header	2168	$map->load_header
1452	or return;	2169	or return;
1453		2170
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1457	$map->reset;	2176	$map->reset;
1458	undef $guard;
1459	return find $path;	2177	return find $path;
1460	}	2178	}
1461		2179
1462	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1463	}	2181	}
1464	}	2182	}
1465		2183
1466	sub pre_load { }	2184	sub pre_load { }
1467	sub post_load { }	2185	#sub post_load { } # XS
1468		2186
1469	sub load {	2187	sub load {
1470	my ($self) = @_;	2188	my ($self) = @_;
1471		2189
1472	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1473		2191
1474	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1476		2196
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1478		2199
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2200	$self->alloc;
1482		2201
1483	$self->pre_load;	2202	$self->pre_load;
1484	Coro::cede;	2203	cf::cede_to_tick;
1485		2204
1486	$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)
1487	or return;	2209	or return;
1488		2210
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1490	if delete $self->{load_original};	2212	if delete $self->{load_original};
1491		2213
1492	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2215	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2218	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1497	}	2223	}
1498	}
1499		2224
1500	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;
1501	# now do the right thing for maps	2234	# now do the right thing for maps
1502	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2237	unless $self->difficulty;
1513	Coro::cede;	2238	cf::cede_to_tick;
1514	$self->activate;	2239
1515	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);
1516	}	2250	}
1517		2251
1518	$self->post_load;	2252	$self->post_load;
1519	Coro::cede;
1520		2253
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1522	}	2255	}
1523		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
1524	sub customise_for {	2260	sub customise_for {
1525	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1526		2262
1527	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2264	if $self->per_player;
1529		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1530	$self	2269	$self
1531	}	2270	}
1532		2271
1533	# 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
1534	sub load_diag {	2273	sub load_neighbours {
1535	my ($map) = @_;	2274	my ($map) = @_;
1536		2275
1537	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1538		2277
1539	for (0 .. 3) {	2278	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1541	or next;	2280	or next;
1542	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1543	or next;	2282	or next;
1544	$neigh->load;	2283	$neigh->load;
1545		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2289	}
1549		2290
1550	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1552	or next;	2294	or next;
1553	$neigh->load;	2295	$neigh->load;
1554	}	2296	}
1555	}	2297	}
1556		2298
1557	sub find_sync {	2299	sub find_sync {
1558	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1559		2301
1560	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
1561	}	2307	}
1562		2308
1563	sub do_load_sync {	2309	sub do_load_sync {
1564	my ($map) = @_;	2310	my ($map) = @_;
1565		2311
1566	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;
1567	}	2317	}
1568		2318
1569	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1571		2321
1572	sub find_async {	2322	sub find_async {
1573	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1574		2324
1575	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1576		2326
1577	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1579	}	2329	}
1580		2330
1581	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1582	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1583	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2338	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2339	$map->load if $v;
		2340	}
1588		2341
1589	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1590	}	2343	}
1591	}	2344	}
1592	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1593	};	2346	};
1594	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1595		2348
1596	()	2349	()
1597	}	2350	}
1598		2351
		2352	# common code, used by both ->save and ->swapout
1599	sub save {	2353	sub _save {
1600	my ($self) = @_;	2354	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2355
1604	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1605		2357
1606	return unless $self->dirty;	2358	return unless $self->dirty;
1607		2359
…		…
1613	return if $self->{deny_save};	2365	return if $self->{deny_save};
1614		2366
1615	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1616		2368
1617	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1619	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1620		2375
1621	if ($uniq) {	2376	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2379	} else {
1625	$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);
1626	}	2381	}
1627	}	2382	}
1628		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1629	sub swap_out {	2392	sub swap_out {
1630	my ($self) = @_;	2393	my ($self) = @_;
1631		2394
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1637	return if $self->players;	2399	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2410	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2411	}
1644		2412
1645	sub reset_at {	2413	sub reset_at {
1646	my ($self) = @_;	2414	my ($self) = @_;
1647		2415
1648	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1651		2418
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	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;
1654		2421
…		…
1665	my ($self) = @_;	2432	my ($self) = @_;
1666		2433
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2435
1669	return if $self->players;	2436	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2437
1672	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1673		2439
1674	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1675		2441
1676	# need to save uniques path	2442	# need to save uniques path
1677	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2445
…		…
1681	if $uniq;	2447	if $uniq;
1682	}	2448	}
1683		2449
1684	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1685		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2454	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2455
1690	$self->unlink_save;	2456	$self->unlink_save;
1691	$self->destroy;	2457	$self->destroy;
1692	}	2458	}
1693		2459
1694	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1695		2461
1696	sub nuke {	2462	sub nuke {
1697	my ($self) = @_;	2463	my ($self) = @_;
1698		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1699	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1700		2469
1701	$self->unlink_save;	2470	$self->unlink_save;
1702		2471
1703	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2477
1709	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1710		2480
1711	$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	]
1712	}	2518	}
1713		2519
1714	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1715		2521
1716	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2523	instantiated unique items. May block.
1718		2524
1719	=cut	2525	=cut
1720		2526
1721	sub unique_maps() {	2527	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1723	or return;	2529	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2530	utf8::decode $_;
1729	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2533	? ()
1732	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2536	]
1734
1735	\@paths
1736	}	2537	}
1737		2538
1738	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	}
1739		2570
1740	=back	2571	=back
1741		2572
1742	=head3 cf::object	2573	=head3 cf::object
1743		2574
…		…
1747		2578
1748	=over 4	2579	=over 4
1749		2580
1750	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1751		2582
1752	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.
1753		2585
1754	=cut	2586	=cut
1755		2587
1756	sub inv_recursive_;	2588	sub inv_recursive_;
1757	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1760		2592
1761	sub inv_recursive {	2593	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1763	}	2595	}
1764		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
1765	package cf;	2625	package cf;
1766		2626
1767	=back	2627	=back
1768		2628
1769	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1778		2638
1779	=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	};
1780		2654
1781	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2656	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1786		2660
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2662
1789	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1794	}	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 (@_);
1795	}	2688	}
1796		2689
1797	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1798		2691
1799	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1812		2705
1813	=item $player_object->enter_link	2706	=item $player_object->enter_link
1814		2707
1815	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}>).
1816		2709
1817	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.
1818	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.
1819		2714
1820	Will never block.	2715	Will never block.
1821		2716
1822	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1823		2718
…		…
1843	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2739	my ($self) = @_;
1845		2740
1846	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1847		2742
		2743	++$self->{_link_recursion};
		2744
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2746
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1852		2749
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2751	}
1855		2752
1856	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1858		2757
1859	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1860		2759
1861	unless ($map) {	2760	unless ($map) {
1862	# restore original map position	2761	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1875		2774
1876	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1879		2778
1880	$map->load;	2779	$map->load;
1881	$map->load_diag;	2780	$map->load_neighbours;
1882		2781
1883	return unless $self->contr->active;	2782	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2783
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1888	}	2786	# entering was successful
1889		2787	delete $self->{_link_recursion};
1890	cf::player->attach (	2788	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2789	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2790	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2791
1904	# try to abort aborted map switching on player login :)	2792	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2793
1922	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1925		2808
1926	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1927	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;
1928		2820
1929	$self->enter_link;	2821	$self->enter_link;
1930		2822
1931	(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
1932	my $map = eval {	2845	my $map = eval {
1933	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2861	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1940	})->prio (1);	2869	})->prio (1);
1941	}	2870	}
1942		2871
1943	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1944		2873
…		…
1964	}	2893	}
1965		2894
1966	sub prepare_random_map {	2895	sub prepare_random_map {
1967	my ($exit) = @_;	2896	my ($exit) = @_;
1968		2897
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2900	# that depends on the exit object
1974		2901
1975	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2904	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1982	}	2911	}
1983		2912
1984	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1985		2914
1986	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1989		2918
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2921	undef $fh;
1993	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1994		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1997	}	2930	}
1998	}	2931	}
1999		2932
2000	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2002		2935
2003	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2004		2937
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2938	$self->enter_link;
2017		2939
2018	(async {	2940	(async {
2019	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2022		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
2023	1;	2979	1
2024	}) {	2980	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2985
2030	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2987	$self->leave_link;
2032	}	2988	}
2033	})->prio (1);	2989	})->prio (1);
2034	}	2990	}
2035		2991
…		…
2049		3005
2050	utf8::encode $text;	3006	utf8::encode $text;
2051	$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);
2052	}	3008	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3197	=item $client->ext_msg ($type, @msg)
2055		3198
2056	Sends an exti event to the client.	3199	Sends an ext event to the client.
2057		3200
2058	=cut	3201	=cut
2059		3202
2060	sub cf::client::ext_event($$%) {	3203	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3204	my ($self, $type, @msg) = @_;
2062		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3209	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		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	}
2065	}	3230	}
2066		3231
2067	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2068		3233
2069	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3237
2073	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
2074	reliable at some point in the future.	3239	become reliable at some point in the future.
2075		3240
2076	=cut	3241	=cut
2077		3242
2078	sub cf::client::query {	3243	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3252	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3254
2090	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2092	}	3259	}
2093		3260
2094	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2095	on_reply => sub {	3267	on_reply => sub {
2096	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2097		3269
2098	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2099	# get handled first	3271	# get handled first
…		…
2111	} else {	3283	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3285	}
2114	}	3286	}
2115	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($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	},
2116	);	3314	);
2117		3315
2118	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2119		3317
2120	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3334
2137	$coro	3335	$coro
2138	}	3336	}
2139		3337
2140	cf::client->attach (	3338	cf::client->attach (
2141	on_destroy => sub {	3339	on_client_destroy => sub {
2142	my ($ns) = @_;	3340	my ($ns) = @_;
2143		3341
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3343	},
2146	);	3344	);
…		…
2161	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2163		3361
2164	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2165		3363
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2167		3369
2168	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2169		3371
2170	=pod	3372	=pod
2171		3373
2172	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2173		3375
2174	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2175	cf::object::player player	3381	cf::object::player
2176	cf::player peaceful	3382	player
2177	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2178		3389
2179	=cut	3390	=cut
2180		3391
2181	for (	3392	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2186	) {	3399	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3402	for @funs;
2191	}	3403	}
2192		3404
…		…
2207		3419
2208	my $qcode = $code;	3420	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2211		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2212	local $_;	3427	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3428
2215	my $eval =	3429	my $eval =
2216	"do {\n"	3430	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3433	. $code
2220	. "\n}"	3434	. "\n}"
2221	;	3435	;
2222		3436
		3437	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2226		3446
2227	if ($@) {	3447	if ($@) {
2228	warn "$@";	3448	warn "$@",
2229	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2231	}	3451	}
2232		3452
2233	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2234	}	3454	}
2235		3455
…		…
2249	=cut	3469	=cut
2250		3470
2251	sub register_script_function {	3471	sub register_script_function {
2252	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2253		3473
2254	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2256	}	3476	}
2257		3477
2258	=back	3478	=back
2259		3479
2260	=cut	3480	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3481
2334	#############################################################################	3482	#############################################################################
2335	# the server's init and main functions	3483	# the server's init and main functions
2336		3484
2337	sub load_facedata {	3485	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3486	my ($path) = @_;
2339		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
2340	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2341		3495
2342	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3497
2348	$facedata->{version} == 2	3498	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3510	{
2352	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2353		3512
2354	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2360	}	3523	}
2361		3524
2362	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2364	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2365	or next;	3529	or next;
		3530
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3534	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3536	}
2371	Coro::cede;	3537
		3538	cf::cede_to_tick;
2372	}	3539	}
2373	}	3540	}
2374		3541
2375	{	3542	{
2376	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2377		3544
2378	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3547	cf::cede_to_tick;
2381	}	3548	}
2382		3549
2383	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2384	}	3551	}
2385		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} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
2386	1	3572	1
2387	}	3573	}
2388		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($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 $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
2389	sub load_archetypes {	3612	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3613	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3614	or die "unable to load archetypes\n";
2392	}	3615	}
2393		3616
2394	sub load_treasures {	3617	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		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	}
2396	}	3640	}
2397		3641
2398	sub reload_resources {	3642	sub reload_resources {
2399	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
2400		3644
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3645	reload_exp_table;
2402	or die "unable to load regions file\n";	3646	reload_materials;
2403	load_facedata	3647	reload_facedata;
2404	or die "unable to load facedata\n";	3648	reload_sound;
2405	load_archetypes	3649	reload_archetypes;
2406	or die "unable to load archetypes\n";	3650	reload_regions;
2407	load_treasures	3651	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3652
2410	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
2411	}	3654	}
2412		3655
2413	sub init {	3656	sub reload_config {
2414	reload_resources;	3657	trace "reloading config file...\n";
2415	}
2416		3658
2417	sub cfg_load {	3659	my $config = load_file "$CONFDIR/config";
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3660	utf8::decode $config;
2419	or return;	3661	*CFG = decode_yaml $config;
2420		3662
2421	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;
2423
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2425		3664
2426	$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};
2427	$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};
2428		3667
2429	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2433	};	3672	};
2434	warn $@ if $@;	3673	warn $@ if $@;
2435	}	3674	}
2436	}	3675	}
2437		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
2438	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
2439	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2441	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#
2442	(async {	3718	(async {
2443	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2445	};	3722	};
2446		3723
2447	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;
2448	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
2449	load_extensions;	3747	load_extensions;
2450		3748
2451	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2452	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;
2453	}	3767	}
2454		3768
2455	#############################################################################	3769	#############################################################################
2456	# initialisation and cleanup	3770	# initialisation and cleanup
2457		3771
2458	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2459	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2468	},
2469	);	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
2470	}	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 };
2471	}	3868	}
2472		3869
2473	sub emergency_save() {	3870	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2475		3872
2476	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;
2477		3879
2478	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2479	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3891	$pl->save;
2487	}	3892	}
2488	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2489		3894
2490	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";
2491	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3900	$map->valid or next;
2494	$map->save;	3901	$map->save;
2495	}	3902	}
2496	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2497		3904
2498	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";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2500	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 $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2501	};	3933	};
2502		3934
2503	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2504	}	3936	}
2505		3937
2506	sub post_cleanup {	3938	sub post_cleanup {
2507	my ($make_core) = @_;	3939	my ($make_core) = @_;
2508		3940
		3941	IO::AIO::flush;
		3942
2509	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3944	if $make_core;
2511	}
2512		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	}
		3973	}
		3974
2513	sub reload() {	3975	sub do_reload_perl() {
2514	# can/must only be called in main	3976	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2516	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2517	return;	3979	return;
2518	}	3980	}
2519		3981
2520	warn "reloading...";	3982	return if $RELOAD++;
2521		3983
2522	warn "entering sync_job";	3984	my $t1 = AE::time;
2523		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
2524	cf::sync_job {	3992	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark
2526	cf::emergency_save;	3993	#cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark
2528		3994
2529	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;
2531
2532	# if anything goes wrong in here, we should simply crash as we already saved
2533
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();	3997	%EXT_CORO = ();
2553		3998
2554	warn "removing commands";	3999	trace "perl_reload: removing commands";
2555	%COMMAND = ();	4000	%COMMAND = ();
2556		4001
2557	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2558	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2559		4005
2560	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2563		4009
2564	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2565	eval {	4011	eval {
2566	$cb->($pkg);	4012	$cb->($pkg);
2567	1	4013	1
2568	} 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;
2569	}	4019	}
2570		4020
2571	warn "... nuking $pkg";
2572	Symbol::delete_package $pkg;
2573	}
2574
2575	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2576	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		4024
2579	warn "... unloading $k";	4025	trace "... unloading $k";
2580	delete $INC{$k};	4026	delete $INC{$k};
2581		4027
2582	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2584		4030
2585	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2586	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2587	}	4036	}
2588		4037
2589	Symbol::delete_package $k;
2590	}
2591
2592	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2594	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);
2595		4041
2596	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		4045
2599	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2600	# and global variables created in xs	4047	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2602		4049
2603	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2604		4051
2605	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2606	require cf;	4053	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2608		4055
2609	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2610	cf::cfg_load;	4057	cf::reload_config;
2611		4058
2612	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2613	cf::load_extensions;	4060	cf::load_extensions;
2614		4061
		4062	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2618	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2621		4070
2622	warn "loading reloadable resources";	4071	cf::_post_init 1;
2623	reload_resources;
2624		4072
2625	warn "leaving sync_job";	4073	trace "perl_reload: leaving sync_job";
2626		4074
2627	1	4075	1
2628	} or do {	4076	} or do {
2629	warn $@;	4077	error $@;
2630	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2631	exit 1;	4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2632	};	4101	};
2633		4102	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		4103
2639	register_command "reload" => sub {	4104	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2641		4106
2642	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
2644		4109	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	4110	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	4111	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	4112	};
2657	}	4113	}
2658	};	4114	};
2659		4115
2660	unshift @INC, $LIBDIR;	4116	#############################################################################
2661		4117
2662	my $bug_warning = 0;	4118	my $bug_warning = 0;
2663		4119
2664	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;
2666
2667	sub wait_for_tick {	4120	sub wait_for_tick() {
2668	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2669	return if $Coro::current == $Coro::main;
2670		4122
2671	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
2672	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;
2674	}	4124	}
2675		4125
2676	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
2677	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2678	return if $Coro::current == $Coro::main;
2679		4128
2680	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	4131	$signal->wait;
2683	}	4132	}
2684		4133
2685	$TICK_WATCHER = Event->timer (	4134	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2693	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"
2694	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2695	return;	4138	return;
2696	}	4139	}
2697		4140
2698	$NOW = Event::time;	4141	cf::one_tick; # one server iteration
2699		4142
2700	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2701		4144
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	4149	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
2710	};
2711	}	4151	};
		4152	}
2712		4153
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4155	$sig->send;
2724	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4156	}
2731	);	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	}
2732		4170
2733	{	4171	{
2734	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4173
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2744		4175	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4177
2760	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2761	$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);
2762		4185
2763	cf::sync_job {	4186	cf::sync_job {
2764	eval {	4187	eval {
2765	BDB::db_env_open	4188	BDB::db_env_open
2766	$DB_ENV,	4189	$DB_ENV,
2767	$BDB_ENV_DIR,	4190	$BDBDIR,
2768	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
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4193	0666;
2771		4194
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4196	};
2777		4197
2778	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4199	};
2780	}	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	};
2781	}	4211	}
2782		4212
2783	{	4213	{
		4214	# configure IO::AIO
		4215
2784	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4219	}
		4220
		4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
		4223
		4224	sub _log_backtrace {
		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] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4265	}
		4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2797		4271
2798	END { cf::emergency_save }	4272	END { cf::emergency_save }
2799		4273
2800	1	4274	1
2801		4275

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